| #! /usr/bin/env python |
| # -*- coding: utf-8 -*- |
| # |
| # Copyright 2009 Google Inc. All Rights Reserved. |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| |
| """Unit tests for fake_filesystem.FakeOpen.""" |
| |
| import errno |
| import os |
| import stat |
| import sys |
| import time |
| import unittest |
| |
| from pyfakefs import fake_filesystem |
| from pyfakefs.fake_filesystem import FakeFileOpen |
| from pyfakefs.fake_filesystem_unittest import has_scandir |
| |
| from tests.test_utils import DummyTime, TestCase, RealFsTestCase |
| |
| |
| class FakeOsModuleTestBase(RealFsTestCase): |
| def createTestFile(self, path): |
| self.create_file(path) |
| self.assertTrue(self.os.path.exists(path)) |
| st = self.os.stat(path) |
| self.assertEqual(0o666, stat.S_IMODE(st.st_mode)) |
| self.assertTrue(st.st_mode & stat.S_IFREG) |
| self.assertFalse(st.st_mode & stat.S_IFDIR) |
| |
| def createTestDirectory(self, path): |
| self.create_dir(path) |
| self.assertTrue(self.os.path.exists(path)) |
| st = self.os.stat(path) |
| self.assertEqual(0o777, stat.S_IMODE(st.st_mode)) |
| self.assertFalse(st.st_mode & stat.S_IFREG) |
| self.assertTrue(st.st_mode & stat.S_IFDIR) |
| |
| |
| class FakeOsModuleTest(FakeOsModuleTestBase): |
| def setUp(self): |
| super(FakeOsModuleTest, self).setUp() |
| self.rwx = self.os.R_OK | self.os.W_OK | self.os.X_OK |
| self.rw = self.os.R_OK | self.os.W_OK |
| |
| def test_chdir(self): |
| """chdir should work on a directory.""" |
| directory = self.make_path('foo') |
| self.create_dir(directory) |
| self.os.chdir(directory) |
| |
| def test_chdir_fails_non_exist(self): |
| """chdir should raise OSError if the target does not exist.""" |
| directory = self.make_path('no', 'such', 'directory') |
| self.assert_raises_os_error(errno.ENOENT, self.os.chdir, directory) |
| |
| def test_chdir_fails_non_directory(self): |
| """chdir should raise OSError if the target is not a directory.""" |
| filename = self.make_path('foo', 'bar') |
| self.create_file(filename) |
| self.assert_raises_os_error(self.not_dir_error(), |
| self.os.chdir, filename) |
| |
| def test_consecutive_chdir(self): |
| """Consecutive relative chdir calls should work.""" |
| dir1 = self.make_path('foo') |
| dir2 = 'bar' |
| full_dirname = self.os.path.join(dir1, dir2) |
| self.create_dir(full_dirname) |
| self.os.chdir(dir1) |
| self.os.chdir(dir2) |
| # use real path to handle symlink /var to /private/var in MacOs |
| self.assertEqual(os.path.realpath(self.os.getcwd()), |
| os.path.realpath(full_dirname)) |
| |
| def test_backwards_chdir(self): |
| """chdir into '..' should behave appropriately.""" |
| # skipping real fs test - can't test root dir |
| self.skip_real_fs() |
| rootdir = self.os.getcwd() |
| dirname = 'foo' |
| abs_dirname = self.os.path.abspath(dirname) |
| self.filesystem.create_dir(dirname) |
| self.os.chdir(dirname) |
| self.assertEqual(abs_dirname, self.os.getcwd()) |
| self.os.chdir('..') |
| self.assertEqual(rootdir, self.os.getcwd()) |
| self.os.chdir(self.os.path.join(dirname, '..')) |
| self.assertEqual(rootdir, self.os.getcwd()) |
| |
| def test_get_cwd(self): |
| # skipping real fs test - can't test root dir |
| self.skip_real_fs() |
| dirname = self.make_path('foo', 'bar') |
| self.create_dir(dirname) |
| self.assertEqual(self.os.getcwd(), self.os.path.sep) |
| self.os.chdir(dirname) |
| self.assertEqual(self.os.getcwd(), dirname) |
| |
| def test_listdir(self): |
| directory = self.make_path('xyzzy', 'plugh') |
| files = ['foo', 'bar', 'baz'] |
| for f in files: |
| self.create_file(self.os.path.join(directory, f)) |
| files.sort() |
| self.assertEqual(files, sorted(self.os.listdir(directory))) |
| |
| @unittest.skipIf(sys.version_info < (3, 3), |
| 'file descriptor as path new in Python 3.3') |
| def test_listdir_uses_open_fd_as_path(self): |
| self.check_posix_only() |
| if os.listdir not in os.supports_fd: |
| self.skip_real_fs() |
| self.assert_raises_os_error(errno.EBADF, self.os.listdir, 500) |
| dir_path = self.make_path('xyzzy', 'plugh') |
| files = ['foo', 'bar', 'baz'] |
| for f in files: |
| self.create_file(self.os.path.join(dir_path, f)) |
| files.sort() |
| |
| path_des = self.os.open(dir_path, os.O_RDONLY) |
| self.assertEqual(files, sorted(self.os.listdir(path_des))) |
| |
| def test_listdir_returns_list(self): |
| directory_root = self.make_path('xyzzy') |
| self.os.mkdir(directory_root) |
| directory = self.os.path.join(directory_root, 'bug') |
| self.os.mkdir(directory) |
| self.create_file(self.make_path(directory, 'foo')) |
| self.assertEqual(['foo'], self.os.listdir(directory)) |
| |
| def test_listdir_on_symlink(self): |
| self.skip_if_symlink_not_supported() |
| directory = self.make_path('xyzzy') |
| files = ['foo', 'bar', 'baz'] |
| for f in files: |
| self.create_file(self.make_path(directory, f)) |
| self.create_symlink(self.make_path('symlink'), self.make_path('xyzzy')) |
| files.sort() |
| self.assertEqual(files, |
| sorted(self.os.listdir(self.make_path('symlink')))) |
| |
| def test_listdir_error(self): |
| file_path = self.make_path('foo', 'bar', 'baz') |
| self.create_file(file_path) |
| self.assert_raises_os_error(self.not_dir_error(), |
| self.os.listdir, file_path) |
| |
| def test_exists_current_dir(self): |
| self.assertTrue(self.os.path.exists('.')) |
| |
| def test_listdir_current(self): |
| files = ['foo', 'bar', 'baz'] |
| for f in files: |
| self.create_file(self.make_path(f)) |
| files.sort() |
| self.assertEqual(files, sorted(self.os.listdir(self.base_path))) |
| |
| def test_fdopen(self): |
| # under Windows and Python2, hangs in closing file |
| self.skip_real_fs_failure(skip_posix=False, skip_python3=False) |
| file_path1 = self.make_path('some_file1') |
| self.create_file(file_path1, contents='contents here1') |
| with self.open(file_path1, 'r') as fake_file1: |
| fileno = fake_file1.fileno() |
| fake_file2 = self.os.fdopen(fileno) |
| self.assertNotEqual(fake_file2, fake_file1) |
| |
| self.assertRaises(TypeError, self.os.fdopen, None) |
| self.assertRaises(TypeError, self.os.fdopen, 'a string') |
| |
| def test_out_of_range_fdopen(self): |
| # test some file descriptor that is clearly out of range |
| self.assert_raises_os_error(errno.EBADF, self.os.fdopen, 100) |
| |
| def test_closed_file_descriptor(self): |
| # under Windows and Python2, hangs in tearDown |
| self.skip_real_fs_failure(skip_posix=False, skip_python3=False) |
| first_path = self.make_path('some_file1') |
| second_path = self.make_path('some_file2') |
| third_path = self.make_path('some_file3') |
| self.create_file(first_path, contents='contents here1') |
| self.create_file(second_path, contents='contents here2') |
| self.create_file(third_path, contents='contents here3') |
| |
| fake_file1 = self.open(first_path, 'r') |
| fake_file2 = self.open(second_path, 'r') |
| fake_file3 = self.open(third_path, 'r') |
| fileno1 = fake_file1.fileno() |
| fileno2 = fake_file2.fileno() |
| fileno3 = fake_file3.fileno() |
| |
| self.os.close(fileno2) |
| self.assert_raises_os_error(errno.EBADF, self.os.close, fileno2) |
| self.assertEqual(fileno1, fake_file1.fileno()) |
| self.assertEqual(fileno3, fake_file3.fileno()) |
| |
| with self.os.fdopen(fileno1) as f: |
| self.assertFalse(f is fake_file1) |
| with self.os.fdopen(fileno3) as f: |
| self.assertFalse(f is fake_file3) |
| self.assert_raises_os_error(errno.EBADF, self.os.fdopen, fileno2) |
| |
| def test_fdopen_mode(self): |
| self.skip_real_fs() |
| file_path1 = self.make_path('some_file1') |
| self.create_file(file_path1, contents='contents here1') |
| self.os.chmod(file_path1, (stat.S_IFREG | 0o666) ^ stat.S_IWRITE) |
| |
| fake_file1 = self.open(file_path1, 'r') |
| fileno1 = fake_file1.fileno() |
| self.os.fdopen(fileno1) |
| self.os.fdopen(fileno1, 'r') |
| exception = OSError if self.is_python2 else IOError |
| self.assertRaises(exception, self.os.fdopen, fileno1, 'w') |
| |
| def test_fstat(self): |
| directory = self.make_path('xyzzy') |
| file_path = self.os.path.join(directory, 'plugh') |
| self.create_file(file_path, contents='ABCDE') |
| with self.open(file_path) as file_obj: |
| fileno = file_obj.fileno() |
| self.assertTrue(stat.S_IFREG & self.os.fstat(fileno)[stat.ST_MODE]) |
| self.assertTrue(stat.S_IFREG & self.os.fstat(fileno).st_mode) |
| self.assertEqual(5, self.os.fstat(fileno)[stat.ST_SIZE]) |
| |
| def test_stat(self): |
| directory = self.make_path('xyzzy') |
| file_path = self.os.path.join(directory, 'plugh') |
| self.create_file(file_path, contents='ABCDE') |
| self.assertTrue(stat.S_IFDIR & self.os.stat(directory)[stat.ST_MODE]) |
| self.assertTrue(stat.S_IFREG & self.os.stat(file_path)[stat.ST_MODE]) |
| self.assertTrue(stat.S_IFREG & self.os.stat(file_path).st_mode) |
| self.assertEqual(5, self.os.stat(file_path)[stat.ST_SIZE]) |
| |
| @unittest.skipIf(sys.version_info < (3, 3), |
| 'file descriptor as path new in Python 3.3') |
| def test_stat_uses_open_fd_as_path(self): |
| self.skip_real_fs() |
| self.assert_raises_os_error(errno.EBADF, self.os.stat, 5) |
| file_path = self.make_path('foo', 'bar') |
| self.create_file(file_path) |
| |
| with self.open(file_path) as f: |
| self.assertTrue( |
| stat.S_IFREG & self.os.stat(f.filedes)[stat.ST_MODE]) |
| |
| @unittest.skipIf(sys.version_info < (3, 3), |
| 'follow_symlinks new in Python 3.3') |
| def test_stat_no_follow_symlinks_posix(self): |
| """Test that stat with follow_symlinks=False behaves like lstat.""" |
| self.check_posix_only() |
| directory = self.make_path('xyzzy') |
| base_name = 'plugh' |
| file_contents = 'frobozz' |
| # Just make sure we didn't accidentally make our test data meaningless. |
| self.assertNotEqual(len(base_name), len(file_contents)) |
| file_path = self.os.path.join(directory, base_name) |
| link_path = self.os.path.join(directory, 'link') |
| self.create_file(file_path, contents=file_contents) |
| self.create_symlink(link_path, base_name) |
| self.assertEqual(len(file_contents), |
| self.os.stat(file_path, follow_symlinks=False)[ |
| stat.ST_SIZE]) |
| self.assertEqual(len(base_name), |
| self.os.stat(link_path, follow_symlinks=False)[ |
| stat.ST_SIZE]) |
| |
| @unittest.skipIf(sys.version_info < (3, 3), |
| 'follow_symlinks new in Python 3.3') |
| def test_stat_no_follow_symlinks_windows(self): |
| """Test that stat with follow_symlinks=False behaves like lstat.""" |
| self.check_windows_only() |
| self.skip_if_symlink_not_supported() |
| directory = self.make_path('xyzzy') |
| base_name = 'plugh' |
| file_contents = 'frobozz' |
| # Just make sure we didn't accidentally make our test data meaningless. |
| self.assertNotEqual(len(base_name), len(file_contents)) |
| file_path = self.os.path.join(directory, base_name) |
| link_path = self.os.path.join(directory, 'link') |
| self.create_file(file_path, contents=file_contents) |
| self.create_symlink(link_path, base_name) |
| self.assertEqual(len(file_contents), |
| self.os.stat(file_path, follow_symlinks=False)[ |
| stat.ST_SIZE]) |
| self.assertEqual(0, |
| self.os.stat(link_path, follow_symlinks=False)[ |
| stat.ST_SIZE]) |
| |
| def test_lstat_size_posix(self): |
| self.check_posix_only() |
| directory = self.make_path('xyzzy') |
| base_name = 'plugh' |
| file_contents = 'frobozz' |
| # Just make sure we didn't accidentally make our test data meaningless. |
| self.assertNotEqual(len(base_name), len(file_contents)) |
| file_path = self.os.path.join(directory, base_name) |
| link_path = self.os.path.join(directory, 'link') |
| self.create_file(file_path, contents=file_contents) |
| self.create_symlink(link_path, base_name) |
| self.assertEqual(len(file_contents), |
| self.os.lstat(file_path)[stat.ST_SIZE]) |
| self.assertEqual(len(base_name), |
| self.os.lstat(link_path)[stat.ST_SIZE]) |
| |
| def test_lstat_size_windows(self): |
| self.check_windows_only() |
| self.skip_if_symlink_not_supported() |
| directory = self.make_path('xyzzy') |
| base_name = 'plugh' |
| file_contents = 'frobozz' |
| # Just make sure we didn't accidentally make our test data meaningless. |
| self.assertNotEqual(len(base_name), len(file_contents)) |
| file_path = self.os.path.join(directory, base_name) |
| link_path = self.os.path.join(directory, 'link') |
| self.create_file(file_path, contents=file_contents) |
| self.create_symlink(link_path, base_name) |
| self.assertEqual(len(file_contents), |
| self.os.lstat(file_path)[stat.ST_SIZE]) |
| self.assertEqual(0, |
| self.os.lstat(link_path)[stat.ST_SIZE]) |
| |
| def test_lstat_trailing_sep(self): |
| # regression test for #342 |
| stat = self.os.lstat(self.base_path) |
| self.assertEqual(stat, |
| self.os.lstat(self.base_path + self.path_separator())) |
| self.assertEqual(stat, self.os.lstat( |
| self.base_path + self.path_separator() + self.path_separator())) |
| |
| def test_read_link_ending_with_sep_posix(self): |
| # regression test for #359 |
| self.check_posix_only() |
| link_path = self.make_path('foo') |
| self.os.symlink(self.base_path, link_path) |
| self.assert_raises_os_error(errno.EINVAL, |
| self.os.readlink, link_path + self.os.sep) |
| |
| def test_read_link_ending_with_sep_windows(self): |
| self.check_windows_only() |
| self.skip_if_symlink_not_supported() |
| link_path = self.make_path('foo') |
| self.os.symlink(self.base_path, link_path) |
| self.assertEqual(self.base_path, |
| self.os.readlink(link_path + self.os.sep)) |
| |
| def check_remove_link_ending_with_sep(self, error_nr): |
| # regression test for #360 |
| link_path = self.make_path('foo') |
| self.os.symlink(self.base_path, link_path) |
| self.assert_raises_os_error(error_nr, |
| self.os.remove, link_path + self.os.sep) |
| |
| def test_remove_link_ending_with_sep_linux(self): |
| self.check_linux_only() |
| self.check_remove_link_ending_with_sep(errno.ENOTDIR) |
| |
| def test_remove_link_ending_with_sep_macos(self): |
| self.check_macos_only() |
| self.check_remove_link_ending_with_sep(errno.EPERM) |
| |
| def test_remove_link_ending_with_sep_windows(self): |
| self.check_windows_only() |
| self.skip_if_symlink_not_supported() |
| self.check_remove_link_ending_with_sep(errno.EACCES) |
| |
| @unittest.skipIf(sys.version_info < (3, 3), |
| 'file descriptor as path new in Python 3.3') |
| def test_lstat_uses_open_fd_as_path(self): |
| self.skip_if_symlink_not_supported() |
| if os.lstat not in os.supports_fd: |
| self.skip_real_fs() |
| self.assert_raises_os_error(errno.EBADF, self.os.lstat, 5) |
| file_path = self.make_path('foo', 'bar') |
| link_path = self.make_path('foo', 'link') |
| file_contents = b'contents' |
| self.create_file(file_path, contents=file_contents) |
| self.create_symlink(link_path, file_path) |
| |
| with self.open(file_path) as f: |
| self.assertEqual(len(file_contents), |
| self.os.lstat(f.filedes)[stat.ST_SIZE]) |
| |
| def test_stat_non_existent_file(self): |
| # set up |
| file_path = self.make_path('non', 'existent', 'file') |
| self.assertFalse(self.os.path.exists(file_path)) |
| # actual tests |
| try: |
| # Use try-catch to check exception attributes. |
| self.os.stat(file_path) |
| self.fail('Exception is expected.') # COV_NF_LINE |
| except OSError as os_error: |
| self.assertEqual(errno.ENOENT, os_error.errno) |
| self.assertEqual(file_path, os_error.filename) |
| |
| def check_open_with_trailing_sep(self, error_nr): |
| # regression test for #362 |
| path0 = self.make_path('foo') + self.os.path.sep |
| self.assert_raises_io_error(error_nr, self.open, path0, 'w') |
| |
| def test_open_with_trailing_sep_linux(self): |
| self.check_linux_only() |
| self.check_open_with_trailing_sep(errno.EISDIR) |
| |
| def test_open_with_trailing_sep_macos(self): |
| self.check_macos_only() |
| self.check_open_with_trailing_sep(errno.ENOENT) |
| |
| def test_open_with_trailing_sep_windows(self): |
| self.check_windows_only() |
| self.check_open_with_trailing_sep(errno.EINVAL) |
| |
| def test_readlink(self): |
| self.skip_if_symlink_not_supported() |
| link_path = self.make_path('foo', 'bar', 'baz') |
| target = self.make_path('tarJAY') |
| self.create_symlink(link_path, target) |
| self.assertEqual(self.os.readlink(link_path), target) |
| |
| def check_readlink_raises_if_path_is_not_a_link(self): |
| file_path = self.make_path('foo', 'bar', 'eleventyone') |
| self.create_file(file_path) |
| self.assert_raises_os_error(errno.EINVAL, self.os.readlink, file_path) |
| |
| def test_readlink_raises_if_path_is_not_a_link_windows(self): |
| self.check_windows_only() |
| self.skip_if_symlink_not_supported() |
| self.check_readlink_raises_if_path_is_not_a_link() |
| |
| def test_readlink_raises_if_path_is_not_a_link_posix(self): |
| self.check_posix_only() |
| self.check_readlink_raises_if_path_is_not_a_link() |
| |
| def check_readlink_raises_if_path_has_file(self, error_subtype): |
| self.create_file(self.make_path('a_file')) |
| file_path = self.make_path('a_file', 'foo') |
| self.assert_raises_os_error(error_subtype, self.os.readlink, file_path) |
| file_path = self.make_path('a_file', 'foo', 'bar') |
| self.assert_raises_os_error(error_subtype, self.os.readlink, file_path) |
| |
| def test_readlink_raises_if_path_has_file_windows(self): |
| self.check_windows_only() |
| self.skip_if_symlink_not_supported() |
| self.check_readlink_raises_if_path_has_file(errno.ENOENT) |
| |
| def test_readlink_raises_if_path_has_file_posix(self): |
| self.check_posix_only() |
| self.check_readlink_raises_if_path_has_file(errno.ENOTDIR) |
| |
| def test_readlink_raises_if_path_does_not_exist(self): |
| self.skip_if_symlink_not_supported() |
| self.assert_raises_os_error(errno.ENOENT, self.os.readlink, |
| '/this/path/does/not/exist') |
| |
| def test_readlink_raises_if_path_is_none(self): |
| self.skip_if_symlink_not_supported() |
| self.assertRaises(TypeError, self.os.readlink, None) |
| |
| def test_readlink_with_links_in_path(self): |
| self.skip_if_symlink_not_supported() |
| self.create_symlink(self.make_path('meyer', 'lemon', 'pie'), |
| self.make_path('yum')) |
| self.create_symlink(self.make_path('geo', 'metro'), |
| self.make_path('meyer')) |
| self.assertEqual(self.make_path('yum'), |
| self.os.readlink( |
| self.make_path('geo', 'metro', 'lemon', 'pie'))) |
| |
| def test_readlink_with_chained_links_in_path(self): |
| self.skip_if_symlink_not_supported() |
| self.create_symlink(self.make_path( |
| 'eastern', 'european', 'wolfhounds', 'chase'), |
| self.make_path('cats')) |
| self.create_symlink(self.make_path('russian'), |
| self.make_path('eastern', 'european')) |
| self.create_symlink(self.make_path('dogs'), |
| self.make_path('russian', 'wolfhounds')) |
| self.assertEqual(self.make_path('cats'), |
| self.os.readlink(self.make_path('dogs', 'chase'))) |
| |
| def check_remove_dir(self, dir_error): |
| directory = self.make_path('xyzzy') |
| dir_path = self.os.path.join(directory, 'plugh') |
| self.create_dir(dir_path) |
| self.assertTrue(self.os.path.exists(dir_path)) |
| self.assert_raises_os_error(dir_error, self.os.remove, dir_path) |
| self.assertTrue(self.os.path.exists(dir_path)) |
| self.os.chdir(directory) |
| self.assert_raises_os_error(dir_error, self.os.remove, dir_path) |
| self.assertTrue(self.os.path.exists(dir_path)) |
| self.assert_raises_os_error(errno.ENOENT, self.os.remove, '/plugh') |
| |
| def test_remove_dir_linux(self): |
| self.check_linux_only() |
| self.check_remove_dir(errno.EISDIR) |
| |
| def test_remove_dir_mac_os(self): |
| self.check_macos_only() |
| self.check_remove_dir(errno.EPERM) |
| |
| def test_remove_dir_windows(self): |
| self.check_windows_only() |
| self.check_remove_dir(errno.EACCES) |
| |
| def test_remove_dir_with_drive(self): |
| # regression test for issue #337 |
| self.check_windows_only() |
| self.skip_real_fs() |
| dir_path = self.os.path.join('C:', 'test') |
| self.filesystem.create_dir(dir_path) |
| self.assert_raises_os_error(errno.EACCES, self.os.remove, dir_path) |
| |
| def test_remove_file(self): |
| directory = self.make_path('zzy') |
| file_path = self.os.path.join(directory, 'plugh') |
| self.create_file(file_path) |
| self.assertTrue(self.os.path.exists(file_path)) |
| self.os.remove(file_path) |
| self.assertFalse(self.os.path.exists(file_path)) |
| |
| def test_remove_file_no_directory(self): |
| directory = self.make_path('zzy') |
| file_name = 'plugh' |
| file_path = self.os.path.join(directory, file_name) |
| self.create_file(file_path) |
| self.assertTrue(self.os.path.exists(file_path)) |
| self.os.chdir(directory) |
| self.os.remove(file_name) |
| self.assertFalse(self.os.path.exists(file_path)) |
| |
| def test_remove_file_with_read_permission_raises_in_windows(self): |
| self.check_windows_only() |
| path = self.make_path('foo', 'bar') |
| self.create_file(path) |
| self.os.chmod(path, 0o444) |
| self.assert_raises_os_error(errno.EACCES, self.os.remove, path) |
| self.os.chmod(path, 0o666) |
| |
| def test_remove_file_with_read_permission_shall_succeed_in_posix(self): |
| self.check_posix_only() |
| path = self.make_path('foo', 'bar') |
| self.create_file(path) |
| self.os.chmod(path, 0o444) |
| self.os.remove(path) |
| self.assertFalse(self.os.path.exists(path)) |
| |
| def test_remove_file_without_parent_permission_raises_in_posix(self): |
| self.check_posix_only() |
| parent_dir = self.make_path('foo') |
| path = self.os.path.join(parent_dir, 'bar') |
| self.create_file(path) |
| self.os.chmod(parent_dir, 0o666) # missing execute permission |
| self.assert_raises_os_error(errno.EACCES, self.os.remove, path) |
| self.os.chmod(parent_dir, 0o555) # missing write permission |
| self.assert_raises_os_error(errno.EACCES, self.os.remove, path) |
| self.os.chmod(parent_dir, 0o333) |
| self.os.remove(path) |
| self.assertFalse(self.os.path.exists(path)) |
| |
| def test_remove_open_file_fails_under_windows(self): |
| self.check_windows_only() |
| path = self.make_path('foo', 'bar') |
| self.create_file(path) |
| with self.open(path, 'r'): |
| self.assert_raises_os_error(errno.EACCES, self.os.remove, path) |
| self.assertTrue(self.os.path.exists(path)) |
| |
| def test_remove_open_file_possible_under_posix(self): |
| self.check_posix_only() |
| path = self.make_path('foo', 'bar') |
| self.create_file(path) |
| self.open(path, 'r') |
| self.os.remove(path) |
| self.assertFalse(self.os.path.exists(path)) |
| |
| def test_remove_file_relative_path(self): |
| self.skip_real_fs() |
| original_dir = self.os.getcwd() |
| directory = self.make_path('zzy') |
| subdirectory = self.os.path.join(directory, 'zzy') |
| file_name = 'plugh' |
| file_path = self.os.path.join(directory, file_name) |
| file_path_relative = self.os.path.join('..', file_name) |
| self.create_file(file_path) |
| self.assertTrue(self.os.path.exists(file_path)) |
| self.create_dir(subdirectory) |
| self.assertTrue(self.os.path.exists(subdirectory)) |
| self.os.chdir(subdirectory) |
| self.os.remove(file_path_relative) |
| self.assertFalse(self.os.path.exists(file_path_relative)) |
| self.os.chdir(original_dir) |
| self.assertFalse(self.os.path.exists(file_path)) |
| |
| def check_remove_dir_raises_error(self, dir_error): |
| directory = self.make_path('zzy') |
| self.create_dir(directory) |
| self.assert_raises_os_error(dir_error, self.os.remove, directory) |
| |
| def test_remove_dir_raises_error_linux(self): |
| self.check_linux_only() |
| self.check_remove_dir_raises_error(errno.EISDIR) |
| |
| def test_remove_dir_raises_error_mac_os(self): |
| self.check_macos_only() |
| self.check_remove_dir_raises_error(errno.EPERM) |
| |
| def test_remove_dir_raises_error_windows(self): |
| self.check_windows_only() |
| self.check_remove_dir_raises_error(errno.EACCES) |
| |
| def test_remove_symlink_to_dir(self): |
| self.skip_if_symlink_not_supported() |
| directory = self.make_path('zzy') |
| link = self.make_path('link_to_dir') |
| self.create_dir(directory) |
| self.os.symlink(directory, link) |
| self.assertTrue(self.os.path.exists(directory)) |
| self.assertTrue(self.os.path.exists(link)) |
| self.os.remove(link) |
| self.assertTrue(self.os.path.exists(directory)) |
| self.assertFalse(self.os.path.exists(link)) |
| |
| def test_unlink_raises_if_not_exist(self): |
| file_path = self.make_path('file', 'does', 'not', 'exist') |
| self.assertFalse(self.os.path.exists(file_path)) |
| self.assert_raises_os_error(errno.ENOENT, self.os.unlink, file_path) |
| |
| def test_rename_to_nonexistent_file(self): |
| """Can rename a file to an unused name.""" |
| directory = self.make_path('xyzzy') |
| old_file_path = self.os.path.join(directory, 'plugh_old') |
| new_file_path = self.os.path.join(directory, 'plugh_new') |
| self.create_file(old_file_path, contents='test contents') |
| self.assertTrue(self.os.path.exists(old_file_path)) |
| self.assertFalse(self.os.path.exists(new_file_path)) |
| self.os.rename(old_file_path, new_file_path) |
| self.assertFalse(self.os.path.exists(old_file_path)) |
| self.assertTrue(self.os.path.exists(new_file_path)) |
| self.check_contents(new_file_path, 'test contents') |
| |
| def test_rename_dir_to_symlink_posix(self): |
| self.check_posix_only() |
| link_path = self.make_path('link') |
| dir_path = self.make_path('dir') |
| link_target = self.os.path.join(dir_path, 'link_target') |
| self.create_dir(dir_path) |
| self.os.symlink(link_target, link_path) |
| self.assert_raises_os_error(errno.ENOTDIR, self.os.rename, dir_path, |
| link_path) |
| |
| def test_rename_dir_to_symlink_windows(self): |
| self.check_windows_only() |
| self.skip_if_symlink_not_supported() |
| link_path = self.make_path('link') |
| dir_path = self.make_path('dir') |
| link_target = self.os.path.join(dir_path, 'link_target') |
| self.create_dir(dir_path) |
| self.os.symlink(link_target, link_path) |
| self.assert_raises_os_error(errno.EEXIST, self.os.rename, dir_path, |
| link_path) |
| |
| def test_rename_file_to_symlink(self): |
| self.check_posix_only() |
| link_path = self.make_path('file_link') |
| file_path = self.make_path('file') |
| self.os.symlink(file_path, link_path) |
| self.create_file(file_path) |
| self.os.rename(file_path, link_path) |
| self.assertFalse(self.os.path.exists(file_path)) |
| self.assertTrue(self.os.path.exists(link_path)) |
| self.assertTrue(self.os.path.isfile(link_path)) |
| |
| def test_rename_symlink_to_symlink(self): |
| self.check_posix_only() |
| base_path = self.make_path('foo', 'bar') |
| self.create_dir(base_path) |
| link_path1 = self.os.path.join(base_path, 'link1') |
| link_path2 = self.os.path.join(base_path, 'link2') |
| self.os.symlink(base_path, link_path1) |
| self.os.symlink(base_path, link_path2) |
| self.os.rename(link_path1, link_path2) |
| self.assertFalse(self.os.path.exists(link_path1)) |
| self.assertTrue(self.os.path.exists(link_path2)) |
| |
| def test_rename_symlink_to_symlink_for_parent_raises(self): |
| self.check_posix_only() |
| dir_link = self.make_path('dir_link') |
| dir_path = self.make_path('dir') |
| dir_in_dir_path = self.os.path.join(dir_link, 'inner_dir') |
| self.create_dir(dir_path) |
| self.os.symlink(dir_path, dir_link) |
| self.create_dir(dir_in_dir_path) |
| self.assert_raises_os_error(errno.EINVAL, self.os.rename, dir_path, |
| dir_in_dir_path) |
| |
| def check_rename_case_with_symlink(self, result): |
| self.skip_if_symlink_not_supported() |
| self.check_case_insensitive_fs() |
| dir_path_lower = self.make_path('beta') |
| self.create_dir(dir_path_lower) |
| link_path = self.make_path('b') |
| self.os.symlink(self.base_path, link_path) |
| path1 = self.os.path.join(link_path, 'Beta') |
| dir_path_upper = self.make_path('Beta') |
| self.os.rename(path1, dir_path_upper) |
| self.assertEqual(result, sorted(self.os.listdir(self.base_path))) |
| |
| def test_rename_case_with_symlink_mac(self): |
| # Regression test for #322 |
| self.check_macos_only() |
| self.check_rename_case_with_symlink(['b', 'beta']) |
| |
| def test_rename_case_with_symlink_windows(self): |
| self.check_windows_only() |
| self.check_rename_case_with_symlink(['Beta', 'b']) |
| |
| def test_recursive_rename_raises(self): |
| self.check_posix_only() |
| base_path = self.make_path('foo', 'bar') |
| self.create_dir(base_path) |
| new_path = self.os.path.join(base_path, 'new_dir') |
| self.assert_raises_os_error(errno.EINVAL, self.os.rename, base_path, |
| new_path) |
| |
| def test_rename_file_to_parent_dir_file(self): |
| # Regression test for issue 230 |
| dir_path = self.make_path('dir') |
| self.create_dir(dir_path) |
| file_path = self.make_path('old_file') |
| new_file_path = self.os.path.join(dir_path, 'new_file') |
| self.create_file(file_path) |
| self.os.rename(file_path, new_file_path) |
| |
| def test_rename_with_target_parent_file_raises_posix(self): |
| self.check_posix_only() |
| file_path = self.make_path('foo', 'baz') |
| self.create_file(file_path) |
| self.assert_raises_os_error(errno.ENOTDIR, self.os.rename, file_path, |
| file_path + '/new') |
| |
| def test_rename_with_target_parent_file_raises_windows(self): |
| self.check_windows_only() |
| file_path = self.make_path('foo', 'baz') |
| self.create_file(file_path) |
| self.assert_raises_os_error(errno.EACCES, self.os.rename, file_path, |
| self.os.path.join(file_path, 'new')) |
| |
| def test_rename_symlink_to_source(self): |
| self.check_posix_only() |
| base_path = self.make_path('foo') |
| link_path = self.os.path.join(base_path, 'slink') |
| file_path = self.os.path.join(base_path, 'file') |
| self.create_file(file_path) |
| self.os.symlink(file_path, link_path) |
| self.os.rename(link_path, file_path) |
| self.assertFalse(self.os.path.exists(file_path)) |
| |
| def test_rename_symlink_to_dir_raises(self): |
| self.check_posix_only() |
| base_path = self.make_path('foo', 'bar') |
| link_path = self.os.path.join(base_path, 'dir_link') |
| dir_path = self.os.path.join(base_path, 'dir') |
| self.create_dir(dir_path) |
| self.os.symlink(dir_path, link_path) |
| self.assert_raises_os_error(errno.EISDIR, self.os.rename, link_path, |
| dir_path) |
| |
| def test_rename_broken_symlink(self): |
| self.check_posix_only() |
| base_path = self.make_path('foo') |
| self.create_dir(base_path) |
| link_path = self.os.path.join(base_path, 'slink') |
| file_path = self.os.path.join(base_path, 'file') |
| self.os.symlink(file_path, link_path) |
| self.os.rename(link_path, file_path) |
| self.assertFalse(self.os.path.exists(file_path)) |
| self.assertTrue(self.os.path.lexists(file_path)) |
| self.assertFalse(self.os.path.exists(link_path)) |
| |
| def test_rename_directory(self): |
| """Can rename a directory to an unused name.""" |
| for old_path, new_path in [('wxyyw', 'xyzzy'), ('abccb', 'cdeed')]: |
| old_path = self.make_path(old_path) |
| new_path = self.make_path(new_path) |
| self.create_file(self.os.path.join(old_path, 'plugh'), |
| contents='test') |
| self.assertTrue(self.os.path.exists(old_path)) |
| self.assertFalse(self.os.path.exists(new_path)) |
| self.os.rename(old_path, new_path) |
| self.assertFalse(self.os.path.exists(old_path)) |
| self.assertTrue(self.os.path.exists(new_path)) |
| self.check_contents(self.os.path.join(new_path, 'plugh'), 'test') |
| if not self.use_real_fs(): |
| self.assertEqual(3, |
| self.filesystem.get_object(new_path).st_nlink) |
| |
| def check_rename_directory_to_existing_file_raises(self, error_nr): |
| dir_path = self.make_path('dir') |
| file_path = self.make_path('file') |
| self.create_dir(dir_path) |
| self.create_file(file_path) |
| self.assert_raises_os_error(error_nr, self.os.rename, dir_path, |
| file_path) |
| |
| def test_rename_directory_to_existing_file_raises_posix(self): |
| self.check_posix_only() |
| self.check_rename_directory_to_existing_file_raises(errno.ENOTDIR) |
| |
| def test_rename_directory_to_existing_file_raises_windows(self): |
| self.check_windows_only() |
| self.check_rename_directory_to_existing_file_raises(errno.EEXIST) |
| |
| def test_rename_to_existing_directory_should_raise_under_windows(self): |
| """Renaming to an existing directory raises OSError under Windows.""" |
| self.check_windows_only() |
| old_path = self.make_path('foo', 'bar') |
| new_path = self.make_path('foo', 'baz') |
| self.create_dir(old_path) |
| self.create_dir(new_path) |
| self.assert_raises_os_error(errno.EEXIST, self.os.rename, old_path, |
| new_path) |
| |
| def test_rename_to_a_hardlink_of_same_file_should_do_nothing(self): |
| self.skip_real_fs_failure(skip_posix=False) |
| self.skip_if_symlink_not_supported() |
| file_path = self.make_path('dir', 'file') |
| self.create_file(file_path) |
| link_path = self.make_path('link') |
| self.os.link(file_path, link_path) |
| self.os.rename(file_path, link_path) |
| self.assertTrue(self.os.path.exists(file_path)) |
| self.assertTrue(self.os.path.exists(link_path)) |
| |
| def test_hardlink_works_with_symlink(self): |
| self.check_posix_only() |
| base_path = self.make_path('foo') |
| self.create_dir(base_path) |
| symlink_path = self.os.path.join(base_path, 'slink') |
| self.os.symlink(base_path, symlink_path) |
| file_path = self.os.path.join(base_path, 'slink', 'beta') |
| self.create_file(file_path) |
| link_path = self.os.path.join(base_path, 'slink', 'gamma') |
| self.os.link(file_path, link_path) |
| self.assertTrue(self.os.path.exists(link_path)) |
| |
| @unittest.skipIf(sys.version_info < (3, 3), 'replace is new in Python 3.3') |
| def test_replace_existing_directory_should_raise_under_windows(self): |
| """Renaming to an existing directory raises OSError under Windows.""" |
| self.check_windows_only() |
| old_path = self.make_path('foo', 'bar') |
| new_path = self.make_path('foo', 'baz') |
| self.create_dir(old_path) |
| self.create_dir(new_path) |
| self.assert_raises_os_error(errno.EACCES, self.os.replace, old_path, |
| new_path) |
| |
| def test_rename_to_existing_directory_under_posix(self): |
| """Renaming to an existing directory changes the existing directory |
| under Posix.""" |
| self.check_posix_only() |
| old_path = self.make_path('foo', 'bar') |
| new_path = self.make_path('xyzzy') |
| self.create_dir(self.os.path.join(old_path, 'sub')) |
| self.create_dir(new_path) |
| self.os.rename(old_path, new_path) |
| self.assertTrue( |
| self.os.path.exists(self.os.path.join(new_path, 'sub'))) |
| self.assertFalse(self.os.path.exists(old_path)) |
| |
| def test_rename_file_to_existing_directory_raises_under_posix(self): |
| self.check_posix_only() |
| file_path = self.make_path('foo', 'bar', 'baz') |
| new_path = self.make_path('xyzzy') |
| self.create_file(file_path) |
| self.create_dir(new_path) |
| self.assert_raises_os_error(errno.EISDIR, self.os.rename, file_path, |
| new_path) |
| |
| def test_rename_to_existing_dir_under_posix_raises_if_not_empty(self): |
| """Renaming to an existing directory changes the existing directory |
| under Posix.""" |
| self.check_posix_only() |
| old_path = self.make_path('foo', 'bar') |
| new_path = self.make_path('foo', 'baz') |
| self.create_dir(self.os.path.join(old_path, 'sub')) |
| self.create_dir(self.os.path.join(new_path, 'sub')) |
| |
| # not testing specific subtype: |
| # raises errno.ENOTEMPTY under Ubuntu 16.04, MacOS and pyfakefs |
| # but raises errno.EEXIST at least under Ubunto 14.04 |
| self.assertRaises(OSError, self.os.rename, old_path, new_path) |
| |
| def test_rename_to_another_device_should_raise(self): |
| """Renaming to another filesystem device raises OSError.""" |
| self.skip_real_fs() |
| self.filesystem.add_mount_point('/mount') |
| old_path = '/foo/bar' |
| new_path = '/mount/bar' |
| self.filesystem.create_file(old_path) |
| self.assert_raises_os_error(errno.EXDEV, self.os.rename, old_path, |
| new_path) |
| |
| def test_rename_to_existent_file_posix(self): |
| """Can rename a file to a used name under Unix.""" |
| self.check_posix_only() |
| directory = self.make_path('xyzzy') |
| old_file_path = self.os.path.join(directory, 'plugh_old') |
| new_file_path = self.os.path.join(directory, 'plugh_new') |
| self.create_file(old_file_path, contents='test contents 1') |
| self.create_file(new_file_path, contents='test contents 2') |
| self.assertTrue(self.os.path.exists(old_file_path)) |
| self.assertTrue(self.os.path.exists(new_file_path)) |
| self.os.rename(old_file_path, new_file_path) |
| self.assertFalse(self.os.path.exists(old_file_path)) |
| self.assertTrue(self.os.path.exists(new_file_path)) |
| self.check_contents(new_file_path, 'test contents 1') |
| |
| def test_rename_to_existent_file_windows(self): |
| """Renaming a file to a used name raises OSError under Windows.""" |
| self.check_windows_only() |
| directory = self.make_path('xyzzy') |
| old_file_path = self.os.path.join(directory, 'plugh_old') |
| new_file_path = self.os.path.join(directory, 'plugh_new') |
| self.create_file(old_file_path, contents='test contents 1') |
| self.create_file(new_file_path, contents='test contents 2') |
| self.assertTrue(self.os.path.exists(old_file_path)) |
| self.assertTrue(self.os.path.exists(new_file_path)) |
| self.assert_raises_os_error( |
| errno.EEXIST, self.os.rename, old_file_path, new_file_path) |
| |
| @unittest.skipIf(sys.version_info < (3, 3), 'replace is new in Python 3.3') |
| def test_replace_to_existent_file(self): |
| """Replaces an existing file (does not work with `rename()` under |
| Windows).""" |
| directory = self.make_path('xyzzy') |
| old_file_path = self.os.path.join(directory, 'plugh_old') |
| new_file_path = self.os.path.join(directory, 'plugh_new') |
| self.create_file(old_file_path, contents='test contents 1') |
| self.create_file(new_file_path, contents='test contents 2') |
| self.assertTrue(self.os.path.exists(old_file_path)) |
| self.assertTrue(self.os.path.exists(new_file_path)) |
| self.os.replace(old_file_path, new_file_path) |
| self.assertFalse(self.os.path.exists(old_file_path)) |
| self.assertTrue(self.os.path.exists(new_file_path)) |
| self.check_contents(new_file_path, 'test contents 1') |
| |
| def test_rename_to_nonexistent_dir(self): |
| """Can rename a file to a name in a nonexistent dir.""" |
| directory = self.make_path('xyzzy') |
| old_file_path = self.os.path.join(directory, 'plugh_old') |
| new_file_path = self.os.path.join( |
| directory, 'no_such_path', 'plugh_new') |
| self.create_file(old_file_path, contents='test contents') |
| self.assertTrue(self.os.path.exists(old_file_path)) |
| self.assertFalse(self.os.path.exists(new_file_path)) |
| self.assert_raises_os_error( |
| errno.ENOENT, self.os.rename, old_file_path, new_file_path) |
| self.assertTrue(self.os.path.exists(old_file_path)) |
| self.assertFalse(self.os.path.exists(new_file_path)) |
| self.check_contents(old_file_path, 'test contents') |
| |
| def test_rename_nonexistent_file_should_raise_error(self): |
| """Can't rename a file that doesn't exist.""" |
| self.assert_raises_os_error(errno.ENOENT, self.os.rename, |
| 'nonexistent-foo', 'doesn\'t-matter-bar') |
| |
| def test_rename_empty_dir(self): |
| """Test a rename of an empty directory.""" |
| directory = self.make_path('xyzzy') |
| before_dir = self.os.path.join(directory, 'empty') |
| after_dir = self.os.path.join(directory, 'unused') |
| self.create_dir(before_dir) |
| self.assertTrue( |
| self.os.path.exists(self.os.path.join(before_dir, '.'))) |
| self.assertFalse(self.os.path.exists(after_dir)) |
| self.os.rename(before_dir, after_dir) |
| self.assertFalse(self.os.path.exists(before_dir)) |
| self.assertTrue(self.os.path.exists(self.os.path.join(after_dir, '.'))) |
| |
| def test_rename_symlink(self): |
| self.check_posix_only() |
| base_path = self.make_path('foo', 'bar') |
| self.create_dir(base_path) |
| link_path = self.os.path.join(base_path, 'link') |
| self.os.symlink(base_path, link_path) |
| file_path = self.os.path.join(link_path, 'file') |
| new_file_path = self.os.path.join(link_path, 'new') |
| self.create_file(file_path) |
| self.os.rename(file_path, new_file_path) |
| self.assertFalse(self.os.path.exists(file_path)) |
| self.assertTrue(self.os.path.exists(new_file_path)) |
| |
| def check_append_mode_tell_after_truncate(self, tell_result): |
| file_path = self.make_path('baz') |
| with self.open(file_path, 'w') as f0: |
| with self.open(file_path, 'a') as f1: |
| f1.write('abcde') |
| f0.seek(2) |
| f0.truncate() |
| self.assertEqual(tell_result, f1.tell()) |
| with self.open(file_path, mode='rb') as f: |
| self.assertEqual(b'\0\0abcde', f.read()) |
| |
| def test_append_mode_tell_linux_windows(self): |
| self.check_linux_and_windows() |
| tell_result = 5 if self.is_python2 else 7 |
| self.check_append_mode_tell_after_truncate(tell_result) |
| |
| def test_append_mode_tell_macos(self): |
| self.check_macos_only() |
| self.check_append_mode_tell_after_truncate(7) |
| |
| def test_rename_dir(self): |
| """Test a rename of a directory.""" |
| directory = self.make_path('xyzzy') |
| before_dir = self.os.path.join(directory, 'before') |
| before_file = self.os.path.join(directory, 'before', 'file') |
| after_dir = self.os.path.join(directory, 'after') |
| after_file = self.os.path.join(directory, 'after', 'file') |
| self.create_dir(before_dir) |
| self.create_file(before_file, contents='payload') |
| self.assertTrue(self.os.path.exists(before_dir)) |
| self.assertTrue(self.os.path.exists(before_file)) |
| self.assertFalse(self.os.path.exists(after_dir)) |
| self.assertFalse(self.os.path.exists(after_file)) |
| self.os.rename(before_dir, after_dir) |
| self.assertFalse(self.os.path.exists(before_dir)) |
| self.assertFalse(self.os.path.exists(before_file)) |
| self.assertTrue(self.os.path.exists(after_dir)) |
| self.assertTrue(self.os.path.exists(after_file)) |
| self.check_contents(after_file, 'payload') |
| |
| def test_rename_preserves_stat(self): |
| """Test if rename preserves mtime.""" |
| self.check_posix_only() |
| self.skip_real_fs() |
| directory = self.make_path('xyzzy') |
| old_file_path = self.os.path.join(directory, 'plugh_old') |
| new_file_path = self.os.path.join(directory, 'plugh_new') |
| self.create_file(old_file_path) |
| old_file = self.filesystem.get_object(old_file_path) |
| old_file.SetMTime(old_file.st_mtime - 3600) |
| self.os.chown(old_file_path, 200, 200) |
| self.os.chmod(old_file_path, 0o222) |
| self.create_file(new_file_path) |
| new_file = self.filesystem.get_object(new_file_path) |
| self.assertNotEqual(new_file.st_mtime, old_file.st_mtime) |
| self.os.rename(old_file_path, new_file_path) |
| new_file = self.filesystem.get_object(new_file_path) |
| self.assertEqual(new_file.st_mtime, old_file.st_mtime) |
| self.assertEqual(new_file.st_mode, old_file.st_mode) |
| self.assertEqual(new_file.st_uid, old_file.st_uid) |
| self.assertEqual(new_file.st_gid, old_file.st_gid) |
| |
| def test_rename_same_filenames(self): |
| """Test renaming when old and new names are the same.""" |
| directory = self.make_path('xyzzy') |
| file_contents = 'Spam eggs' |
| file_path = self.os.path.join(directory, 'eggs') |
| self.create_file(file_path, contents=file_contents) |
| self.os.rename(file_path, file_path) |
| self.check_contents(file_path, file_contents) |
| |
| def test_rmdir(self): |
| """Can remove a directory.""" |
| directory = self.make_path('xyzzy') |
| sub_dir = self.make_path('xyzzy', 'abccd') |
| other_dir = self.make_path('xyzzy', 'cdeed') |
| self.create_dir(directory) |
| self.assertTrue(self.os.path.exists(directory)) |
| self.os.rmdir(directory) |
| self.assertFalse(self.os.path.exists(directory)) |
| self.create_dir(sub_dir) |
| self.create_dir(other_dir) |
| self.os.chdir(sub_dir) |
| self.os.rmdir('../cdeed') |
| self.assertFalse(self.os.path.exists(other_dir)) |
| self.os.chdir('..') |
| self.os.rmdir('abccd') |
| self.assertFalse(self.os.path.exists(sub_dir)) |
| |
| def test_rmdir_raises_if_not_empty(self): |
| """Raises an exception if the target directory is not empty.""" |
| directory = self.make_path('xyzzy') |
| file_path = self.os.path.join(directory, 'plugh') |
| self.create_file(file_path) |
| self.assertTrue(self.os.path.exists(file_path)) |
| self.assert_raises_os_error(errno.ENOTEMPTY, self.os.rmdir, directory) |
| |
| def check_rmdir_raises_if_not_directory(self, error_nr): |
| """Raises an exception if the target is not a directory.""" |
| directory = self.make_path('xyzzy') |
| file_path = self.os.path.join(directory, 'plugh') |
| self.create_file(file_path) |
| self.assertTrue(self.os.path.exists(file_path)) |
| self.assert_raises_os_error(self.not_dir_error(), |
| self.os.rmdir, file_path) |
| self.assert_raises_os_error(error_nr, self.os.rmdir, '.') |
| |
| def test_rmdir_raises_if_not_directory_posix(self): |
| self.check_posix_only() |
| self.check_rmdir_raises_if_not_directory(errno.EINVAL) |
| |
| def test_rmdir_raises_if_not_directory_windows(self): |
| self.check_windows_only() |
| self.check_rmdir_raises_if_not_directory(errno.EACCES) |
| |
| def test_rmdir_raises_if_not_exist(self): |
| """Raises an exception if the target does not exist.""" |
| directory = self.make_path('xyzzy') |
| self.assertFalse(self.os.path.exists(directory)) |
| self.assert_raises_os_error(errno.ENOENT, self.os.rmdir, directory) |
| |
| def test_rmdir_via_symlink(self): |
| self.check_windows_only() |
| self.skip_if_symlink_not_supported() |
| base_path = self.make_path('foo', 'bar') |
| dir_path = self.os.path.join(base_path, 'alpha') |
| self.create_dir(dir_path) |
| link_path = self.os.path.join(base_path, 'beta') |
| self.os.symlink(base_path, link_path) |
| self.os.rmdir(link_path + '/alpha') |
| self.assertFalse(self.os.path.exists(dir_path)) |
| |
| def remove_dirs_check(self, directory): |
| self.assertTrue(self.os.path.exists(directory)) |
| self.os.removedirs(directory) |
| return not self.os.path.exists(directory) |
| |
| def test_removedirs(self): |
| # no exception raised |
| self.skip_real_fs() |
| data = ['test1', ('test1', 'test2'), ('test1', 'extra'), |
| ('test1', 'test2', 'test3')] |
| for directory in data: |
| self.create_dir(self.make_path(directory)) |
| self.assertTrue(self.os.path.exists(self.make_path(directory))) |
| self.assert_raises_os_error(errno.ENOTEMPTY, self.remove_dirs_check, |
| self.make_path(data[0])) |
| self.assert_raises_os_error(errno.ENOTEMPTY, self.remove_dirs_check, |
| self.make_path(data[1])) |
| |
| self.assertTrue(self.remove_dirs_check(self.make_path(data[3]))) |
| self.assertTrue(self.os.path.exists(self.make_path(data[0]))) |
| self.assertFalse(self.os.path.exists(self.make_path(data[1]))) |
| self.assertTrue(self.os.path.exists(self.make_path(data[2]))) |
| |
| # Should raise because '/test1/extra' is all that is left, and |
| # removedirs('/test1/extra') will eventually try to rmdir('/'). |
| self.assert_raises_os_error(errno.EBUSY, self.remove_dirs_check, |
| self.make_path(data[2])) |
| |
| # However, it will still delete '/test1') in the process. |
| self.assertFalse(self.os.path.exists(self.make_path(data[0]))) |
| |
| self.create_dir(self.make_path('test1', 'test2')) |
| # Add this to the root directory to avoid raising an exception. |
| self.filesystem.create_dir(self.make_path('test3')) |
| self.assertTrue( |
| self.remove_dirs_check(self.make_path('test1', 'test2'))) |
| self.assertFalse(self.os.path.exists(self.make_path('test1', 'test2'))) |
| self.assertFalse(self.os.path.exists(self.make_path('test1'))) |
| |
| def test_removedirs_raises_if_removing_root(self): |
| """Raises exception if asked to remove '/'.""" |
| self.skip_real_fs() |
| self.os.rmdir(self.base_path) |
| directory = self.os.path.splitdrive( |
| self.base_path)[0] + self.os.path.sep |
| self.assertTrue(self.os.path.exists(directory)) |
| self.assert_raises_os_error(errno.EBUSY, self.os.removedirs, directory) |
| |
| def test_removedirs_raises_if_cascade_removing_root(self): |
| """Raises exception if asked to remove '/' as part of a |
| larger operation. |
| |
| All of other directories should still be removed, though. |
| """ |
| self.skip_real_fs() |
| directory = self.make_path('foo', 'bar') |
| self.create_dir(directory) |
| self.assertTrue(self.os.path.exists(directory)) |
| self.assert_raises_os_error(errno.EBUSY, self.os.removedirs, directory) |
| head, unused_tail = self.os.path.split(directory) |
| while self.os.path.splitdrive(head)[1] != self.os.path.sep: |
| self.assertFalse(self.os.path.exists(directory)) |
| head, unused_tail = self.os.path.split(head) |
| |
| def test_removedirs_with_trailing_slash(self): |
| """removedirs works on directory names with trailing slashes.""" |
| # separate this case from the removing-root-directory case |
| self.create_dir(self.make_path('baz')) |
| directory = self.make_path('foo', 'bar') |
| self.create_dir(directory) |
| self.assertTrue(self.os.path.exists(directory)) |
| self.os.removedirs(directory) |
| self.assertFalse(self.os.path.exists(directory)) |
| |
| def test_remove_dirs_with_top_symlink_fails(self): |
| self.check_posix_only() |
| dir_path = self.make_path('dir') |
| dir_link = self.make_path('dir_link') |
| self.create_dir(dir_path) |
| self.os.symlink(dir_path, dir_link) |
| self.assert_raises_os_error(errno.ENOTDIR, |
| self.os.removedirs, dir_link) |
| |
| def test_remove_dirs_with_non_top_symlink_succeeds(self): |
| self.check_posix_only() |
| dir_path = self.make_path('dir') |
| dir_link = self.make_path('dir_link') |
| self.create_dir(dir_path) |
| self.os.symlink(dir_path, dir_link) |
| dir_in_dir = self.os.path.join(dir_link, 'dir2') |
| self.create_dir(dir_in_dir) |
| self.os.removedirs(dir_in_dir) |
| self.assertFalse(self.os.path.exists(dir_in_dir)) |
| # ensure that the symlink is not removed |
| self.assertTrue(self.os.path.exists(dir_link)) |
| |
| def test_mkdir(self): |
| """mkdir can create a relative directory.""" |
| self.skip_real_fs() |
| directory = 'xyzzy' |
| self.assertFalse(self.filesystem.exists(directory)) |
| self.os.mkdir(directory) |
| self.assertTrue(self.filesystem.exists('/%s' % directory)) |
| self.os.chdir(directory) |
| self.os.mkdir(directory) |
| self.assertTrue( |
| self.filesystem.exists('/%s/%s' % (directory, directory))) |
| self.os.chdir(directory) |
| self.os.mkdir('../abccb') |
| self.assertTrue(self.os.path.exists('/%s/abccb' % directory)) |
| |
| def test_mkdir_with_trailing_slash(self): |
| """mkdir can create a directory named with a trailing slash.""" |
| directory = self.make_path('foo') |
| self.assertFalse(self.os.path.exists(directory)) |
| self.os.mkdir(directory) |
| self.assertTrue(self.os.path.exists(directory)) |
| self.assertTrue(self.os.path.exists(self.make_path('foo'))) |
| |
| def test_mkdir_raises_if_empty_directory_name(self): |
| """mkdir raises exeption if creating directory named ''.""" |
| directory = '' |
| self.assert_raises_os_error(errno.ENOENT, self.os.mkdir, directory) |
| |
| def test_mkdir_raises_if_no_parent(self): |
| """mkdir raises exception if parent directory does not exist.""" |
| parent = 'xyzzy' |
| directory = '%s/foo' % (parent,) |
| self.assertFalse(self.os.path.exists(parent)) |
| self.assert_raises_os_error(errno.ENOENT, self.os.mkdir, directory) |
| |
| def test_mkdir_raises_on_symlink_in_posix(self): |
| self.check_posix_only() |
| base_path = self.make_path('foo', 'bar') |
| link_path = self.os.path.join(base_path, 'link_to_dir') |
| dir_path = self.os.path.join(base_path, 'dir') |
| self.create_dir(dir_path) |
| self.os.symlink(dir_path, link_path) |
| self.assert_raises_os_error(errno.ENOTDIR, self.os.rmdir, link_path) |
| |
| def test_mkdir_removes_symlink_in_windows(self): |
| self.check_windows_only() |
| self.skip_if_symlink_not_supported() |
| base_path = self.make_path('foo', 'bar') |
| link_path = self.os.path.join(base_path, 'link_to_dir') |
| dir_path = self.os.path.join(base_path, 'dir') |
| self.create_dir(dir_path) |
| self.os.symlink(dir_path, link_path) |
| self.os.rmdir(link_path) |
| self.assertFalse(self.os.path.exists(link_path)) |
| self.assertTrue(self.os.path.exists(dir_path)) |
| |
| def test_mkdir_raises_if_directory_exists(self): |
| """mkdir raises exception if directory already exists.""" |
| directory = self.make_path('xyzzy') |
| self.create_dir(directory) |
| self.assertTrue(self.os.path.exists(directory)) |
| self.assert_raises_os_error(errno.EEXIST, self.os.mkdir, directory) |
| |
| def test_mkdir_raises_if_file_exists(self): |
| """mkdir raises exception if name already exists as a file.""" |
| directory = self.make_path('xyzzy') |
| file_path = self.os.path.join(directory, 'plugh') |
| self.create_file(file_path) |
| self.assertTrue(self.os.path.exists(file_path)) |
| self.assert_raises_os_error(errno.EEXIST, self.os.mkdir, file_path) |
| |
| def check_mkdir_raises_if_parent_is_file(self, error_type): |
| """mkdir raises exception if name already exists as a file.""" |
| directory = self.make_path('xyzzy') |
| file_path = self.os.path.join(directory, 'plugh') |
| self.create_file(file_path) |
| self.assert_raises_os_error(error_type, self.os.mkdir, |
| self.os.path.join(file_path, 'ff')) |
| |
| def test_mkdir_raises_if_parent_is_file_posix(self): |
| self.check_posix_only() |
| self.check_mkdir_raises_if_parent_is_file(errno.ENOTDIR) |
| |
| def test_mkdir_raises_if_parent_is_file_windows(self): |
| self.check_windows_only() |
| self.check_mkdir_raises_if_parent_is_file(errno.ENOENT) |
| |
| def test_mkdir_raises_with_slash_dot_posix(self): |
| """mkdir raises exception if mkdir foo/. (trailing /.).""" |
| self.check_posix_only() |
| self.assert_raises_os_error(errno.EEXIST, |
| self.os.mkdir, self.os.sep + '.') |
| directory = self.make_path('xyzzy', '.') |
| self.assert_raises_os_error(errno.ENOENT, self.os.mkdir, directory) |
| self.create_dir(self.make_path('xyzzy')) |
| self.assert_raises_os_error(errno.EEXIST, self.os.mkdir, directory) |
| |
| def test_mkdir_raises_with_slash_dot_windows(self): |
| """mkdir raises exception if mkdir foo/. (trailing /.).""" |
| self.check_windows_only() |
| self.assert_raises_os_error(errno.EACCES, |
| self.os.mkdir, self.os.sep + '.') |
| directory = self.make_path('xyzzy', '.') |
| self.os.mkdir(directory) |
| self.create_dir(self.make_path('xyzzy')) |
| self.assert_raises_os_error(errno.EEXIST, self.os.mkdir, directory) |
| |
| def test_mkdir_raises_with_double_dots_posix(self): |
| """mkdir raises exception if mkdir foo/foo2/../foo3.""" |
| self.check_posix_only() |
| self.assert_raises_os_error(errno.EEXIST, |
| self.os.mkdir, self.os.sep + '..') |
| directory = self.make_path('xyzzy', 'dir1', 'dir2', '..', '..', 'dir3') |
| self.assert_raises_os_error(errno.ENOENT, self.os.mkdir, directory) |
| self.create_dir(self.make_path('xyzzy')) |
| self.assert_raises_os_error(errno.ENOENT, self.os.mkdir, directory) |
| self.create_dir(self.make_path('xyzzy', 'dir1')) |
| self.assert_raises_os_error(errno.ENOENT, self.os.mkdir, directory) |
| self.create_dir(self.make_path('xyzzy', 'dir1', 'dir2')) |
| self.os.mkdir(directory) |
| self.assertTrue(self.os.path.exists(directory)) |
| directory = self.make_path('xyzzy', 'dir1', '..') |
| self.assert_raises_os_error(errno.EEXIST, self.os.mkdir, directory) |
| |
| def test_mkdir_raises_with_double_dots_windows(self): |
| """mkdir raises exception if mkdir foo/foo2/../foo3.""" |
| self.check_windows_only() |
| self.assert_raises_os_error(errno.EACCES, |
| self.os.mkdir, self.os.sep + '..') |
| directory = self.make_path( |
| 'xyzzy', 'dir1', 'dir2', '..', '..', 'dir3') |
| self.assert_raises_os_error(errno.ENOENT, self.os.mkdir, directory) |
| self.create_dir(self.make_path('xyzzy')) |
| self.os.mkdir(directory) |
| self.assertTrue(self.os.path.exists(directory)) |
| directory = self.make_path('xyzzy', 'dir1', '..') |
| self.assert_raises_os_error(errno.EEXIST, self.os.mkdir, directory) |
| |
| def test_mkdir_raises_if_parent_is_read_only(self): |
| """mkdir raises exception if parent is read only.""" |
| self.check_posix_only() |
| directory = self.make_path('a') |
| self.os.mkdir(directory) |
| |
| # Change directory permissions to be read only. |
| self.os.chmod(directory, 0o400) |
| |
| directory = self.make_path('a', 'b') |
| self.assert_raises_os_error(errno.EACCES, self.os.mkdir, directory) |
| |
| def test_mkdir_with_with_symlink_parent(self): |
| self.check_posix_only() |
| dir_path = self.make_path('foo', 'bar') |
| self.create_dir(dir_path) |
| link_path = self.make_path('foo', 'link') |
| self.os.symlink(dir_path, link_path) |
| new_dir = self.os.path.join(link_path, 'new_dir') |
| self.os.mkdir(new_dir) |
| self.assertTrue(self.os.path.exists(new_dir)) |
| |
| def test_makedirs(self): |
| """makedirs can create a directory even if parent does not exist.""" |
| parent = self.make_path('xyzzy') |
| directory = self.os.path.join(parent, 'foo') |
| self.assertFalse(self.os.path.exists(parent)) |
| self.os.makedirs(directory) |
| self.assertTrue(self.os.path.exists(directory)) |
| |
| def check_makedirs_raises_if_parent_is_file(self, error_type): |
| """makedirs raises exception if a parent component exists as a file.""" |
| file_path = self.make_path('xyzzy') |
| directory = self.os.path.join(file_path, 'plugh') |
| self.create_file(file_path) |
| self.assertTrue(self.os.path.exists(file_path)) |
| self.assert_raises_os_error(error_type, self.os.makedirs, directory) |
| |
| def test_makedirs_raises_if_parent_is_file_posix(self): |
| self.check_posix_only() |
| self.check_makedirs_raises_if_parent_is_file(errno.ENOTDIR) |
| |
| def test_makedirs_raises_if_parent_is_file_windows(self): |
| self.check_windows_only() |
| self.check_makedirs_raises_if_parent_is_file(errno.ENOENT) |
| |
| def test_makedirs_raises_if_parent_is_broken_link(self): |
| self.check_posix_only() |
| link_path = self.make_path('broken_link') |
| self.os.symlink(self.make_path('bogus'), link_path) |
| self.assert_raises_os_error(errno.ENOENT, self.os.makedirs, |
| self.os.path.join(link_path, 'newdir')) |
| |
| def test_makedirs_raises_if_parent_is_looping_link(self): |
| self.skip_if_symlink_not_supported() |
| link_path = self.make_path('link') |
| link_target = self.os.path.join(link_path, 'link') |
| self.os.symlink(link_target, link_path) |
| self.assert_raises_os_error(errno.EEXIST, self.os.makedirs, link_path) |
| |
| def test_makedirs_if_parent_is_symlink(self): |
| self.check_posix_only() |
| base_dir = self.make_path('foo', 'bar') |
| self.create_dir(base_dir) |
| link_dir = self.os.path.join(base_dir, 'linked') |
| self.os.symlink(base_dir, link_dir) |
| new_dir = self.os.path.join(link_dir, 'f') |
| self.os.makedirs(new_dir) |
| self.assertTrue(self.os.path.exists(new_dir)) |
| |
| def test_makedirs_raises_if_access_denied(self): |
| """makedirs raises exception if access denied.""" |
| self.check_posix_only() |
| directory = self.make_path('a') |
| self.os.mkdir(directory) |
| |
| # Change directory permissions to be read only. |
| self.os.chmod(directory, 0o400) |
| |
| directory = self.make_path('a', 'b') |
| self.assertRaises(Exception, self.os.makedirs, directory) |
| |
| @unittest.skipIf(sys.version_info < (3, 2), |
| 'os.makedirs(exist_ok) argument new in version 3.2') |
| def test_makedirs_exist_ok(self): |
| """makedirs uses the exist_ok argument""" |
| directory = self.make_path('xyzzy', 'foo') |
| self.create_dir(directory) |
| self.assertTrue(self.os.path.exists(directory)) |
| |
| self.assert_raises_os_error(errno.EEXIST, self.os.makedirs, directory) |
| self.os.makedirs(directory, exist_ok=True) |
| self.assertTrue(self.os.path.exists(directory)) |
| |
| # test fsync and fdatasync |
| def test_fsync_raises_on_non_int(self): |
| self.assertRaises(TypeError, self.os.fsync, "zero") |
| |
| def test_fdatasync_raises_on_non_int(self): |
| self.check_linux_only() |
| self.assertRaises(TypeError, self.os.fdatasync, "zero") |
| |
| def test_fsync_raises_on_invalid_fd(self): |
| self.assert_raises_os_error(errno.EBADF, self.os.fsync, 100) |
| |
| def test_fdatasync_raises_on_invalid_fd(self): |
| # No open files yet |
| self.check_linux_only() |
| self.assert_raises_os_error(errno.EINVAL, self.os.fdatasync, 0) |
| self.assert_raises_os_error(errno.EBADF, self.os.fdatasync, 100) |
| |
| def test_fsync_pass_posix(self): |
| self.check_posix_only() |
| test_file_path = self.make_path('test_file') |
| self.create_file(test_file_path, contents='dummy file contents') |
| with self.open(test_file_path, 'r') as test_file: |
| test_fd = test_file.fileno() |
| # Test that this doesn't raise anything |
| self.os.fsync(test_fd) |
| # And just for sanity, double-check that this still raises |
| self.assert_raises_os_error(errno.EBADF, |
| self.os.fsync, test_fd + 10) |
| |
| def test_fsync_pass_windows(self): |
| self.check_windows_only() |
| test_file_path = self.make_path('test_file') |
| self.create_file(test_file_path, contents='dummy file contents') |
| with self.open(test_file_path, 'r+') as test_file: |
| test_fd = test_file.fileno() |
| # Test that this doesn't raise anything |
| self.os.fsync(test_fd) |
| # And just for sanity, double-check that this still raises |
| self.assert_raises_os_error(errno.EBADF, |
| self.os.fsync, test_fd + 10) |
| with self.open(test_file_path, 'r') as test_file: |
| test_fd = test_file.fileno() |
| self.assert_raises_os_error(errno.EBADF, self.os.fsync, test_fd) |
| |
| def test_fdatasync_pass(self): |
| # setup |
| self.check_linux_only() |
| test_file_path = self.make_path('test_file') |
| self.create_file(test_file_path, contents='dummy file contents') |
| test_file = self.open(test_file_path, 'r') |
| test_fd = test_file.fileno() |
| # Test that this doesn't raise anything |
| self.os.fdatasync(test_fd) |
| # And just for sanity, double-check that this still raises |
| self.assert_raises_os_error(errno.EBADF, |
| self.os.fdatasync, test_fd + 10) |
| |
| def test_access700(self): |
| # set up |
| self.check_posix_only() |
| path = self.make_path('some_file') |
| self.createTestFile(path) |
| self.os.chmod(path, 0o700) |
| self.assert_mode_equal(0o700, self.os.stat(path).st_mode) |
| # actual tests |
| self.assertTrue(self.os.access(path, self.os.F_OK)) |
| self.assertTrue(self.os.access(path, self.os.R_OK)) |
| self.assertTrue(self.os.access(path, self.os.W_OK)) |
| self.assertTrue(self.os.access(path, self.os.X_OK)) |
| self.assertTrue(self.os.access(path, self.rwx)) |
| |
| def test_access600(self): |
| # set up |
| self.check_posix_only() |
| path = self.make_path('some_file') |
| self.createTestFile(path) |
| self.os.chmod(path, 0o600) |
| self.assert_mode_equal(0o600, self.os.stat(path).st_mode) |
| # actual tests |
| self.assertTrue(self.os.access(path, self.os.F_OK)) |
| self.assertTrue(self.os.access(path, self.os.R_OK)) |
| self.assertTrue(self.os.access(path, self.os.W_OK)) |
| self.assertFalse(self.os.access(path, self.os.X_OK)) |
| self.assertFalse(self.os.access(path, self.rwx)) |
| self.assertTrue(self.os.access(path, self.rw)) |
| |
| def test_access400(self): |
| # set up |
| self.check_posix_only() |
| path = self.make_path('some_file') |
| self.createTestFile(path) |
| self.os.chmod(path, 0o400) |
| self.assert_mode_equal(0o400, self.os.stat(path).st_mode) |
| # actual tests |
| self.assertTrue(self.os.access(path, self.os.F_OK)) |
| self.assertTrue(self.os.access(path, self.os.R_OK)) |
| self.assertFalse(self.os.access(path, self.os.W_OK)) |
| self.assertFalse(self.os.access(path, self.os.X_OK)) |
| self.assertFalse(self.os.access(path, self.rwx)) |
| self.assertFalse(self.os.access(path, self.rw)) |
| |
| @unittest.skipIf(sys.version_info < (3, 3), |
| 'follow_symlinks new in Python 3.3') |
| def test_access_symlink(self): |
| self.skip_if_symlink_not_supported() |
| self.skip_real_fs() |
| path = self.make_path('some_file') |
| self.createTestFile(path) |
| link_path = self.make_path('link_to_some_file') |
| self.create_symlink(link_path, path) |
| self.os.chmod(link_path, 0o400) |
| |
| # test file |
| self.assertTrue(self.os.access(link_path, self.os.F_OK)) |
| self.assertTrue(self.os.access(link_path, self.os.R_OK)) |
| self.assertFalse(self.os.access(link_path, self.os.W_OK)) |
| self.assertFalse(self.os.access(link_path, self.os.X_OK)) |
| self.assertFalse(self.os.access(link_path, self.rwx)) |
| self.assertFalse(self.os.access(link_path, self.rw)) |
| |
| # test link itself |
| self.assertTrue( |
| self.os.access(link_path, self.os.F_OK, follow_symlinks=False)) |
| self.assertTrue( |
| self.os.access(link_path, self.os.R_OK, follow_symlinks=False)) |
| self.assertTrue( |
| self.os.access(link_path, self.os.W_OK, follow_symlinks=False)) |
| self.assertTrue( |
| self.os.access(link_path, self.os.X_OK, follow_symlinks=False)) |
| self.assertTrue( |
| self.os.access(link_path, self.rwx, follow_symlinks=False)) |
| self.assertTrue( |
| self.os.access(link_path, self.rw, follow_symlinks=False)) |
| |
| def test_access_non_existent_file(self): |
| # set up |
| path = self.make_path('non', 'existent', 'file') |
| self.assertFalse(self.os.path.exists(path)) |
| # actual tests |
| self.assertFalse(self.os.access(path, self.os.F_OK)) |
| self.assertFalse(self.os.access(path, self.os.R_OK)) |
| self.assertFalse(self.os.access(path, self.os.W_OK)) |
| self.assertFalse(self.os.access(path, self.os.X_OK)) |
| self.assertFalse(self.os.access(path, self.rwx)) |
| self.assertFalse(self.os.access(path, self.rw)) |
| |
| def test_chmod(self): |
| # set up |
| self.check_posix_only() |
| self.skip_real_fs() |
| path = self.make_path('some_file') |
| self.createTestFile(path) |
| # actual tests |
| self.os.chmod(path, 0o6543) |
| st = self.os.stat(path) |
| self.assert_mode_equal(0o6543, st.st_mode) |
| self.assertTrue(st.st_mode & stat.S_IFREG) |
| self.assertFalse(st.st_mode & stat.S_IFDIR) |
| |
| @unittest.skipIf(sys.version_info < (3, 3), |
| 'file descriptor as path new in Python 3.3') |
| def test_chmod_uses_open_fd_as_path(self): |
| self.check_posix_only() |
| self.skip_real_fs() |
| self.assert_raises_os_error(errno.EBADF, self.os.chmod, 5, 0o6543) |
| path = self.make_path('some_file') |
| self.createTestFile(path) |
| |
| with self.open(path) as f: |
| self.os.chmod(f.filedes, 0o6543) |
| st = self.os.stat(path) |
| self.assert_mode_equal(0o6543, st.st_mode) |
| |
| @unittest.skipIf(sys.version_info < (3, 3), |
| 'follow_symlinks new in Python 3.3') |
| def test_chmod_follow_symlink(self): |
| self.check_posix_only() |
| if self.use_real_fs() and 'chmod' not in os.supports_follow_symlinks: |
| raise unittest.SkipTest('follow_symlinks not available') |
| path = self.make_path('some_file') |
| self.createTestFile(path) |
| link_path = self.make_path('link_to_some_file') |
| self.create_symlink(link_path, path) |
| self.os.chmod(link_path, 0o6543) |
| |
| st = self.os.stat(link_path) |
| self.assert_mode_equal(0o6543, st.st_mode) |
| st = self.os.stat(link_path, follow_symlinks=False) |
| self.assert_mode_equal(0o777, st.st_mode) |
| |
| @unittest.skipIf(sys.version_info < (3, 3), |
| 'follow_symlinks new in Python 3.3') |
| def test_chmod_no_follow_symlink(self): |
| self.check_posix_only() |
| if self.use_real_fs() and 'chmod' not in os.supports_follow_symlinks: |
| raise unittest.SkipTest('follow_symlinks not available') |
| path = self.make_path('some_file') |
| self.createTestFile(path) |
| link_path = self.make_path('link_to_some_file') |
| self.create_symlink(link_path, path) |
| self.os.chmod(link_path, 0o6543, follow_symlinks=False) |
| |
| st = self.os.stat(link_path) |
| self.assert_mode_equal(0o666, st.st_mode) |
| st = self.os.stat(link_path, follow_symlinks=False) |
| self.assert_mode_equal(0o6543, st.st_mode) |
| |
| def test_lchmod(self): |
| """lchmod shall behave like chmod with follow_symlinks=True |
| since Python 3.3""" |
| self.check_posix_only() |
| self.skip_real_fs() |
| path = self.make_path('some_file') |
| self.createTestFile(path) |
| link_path = self.make_path('link_to_some_file') |
| self.create_symlink(link_path, path) |
| self.os.lchmod(link_path, 0o6543) |
| |
| st = self.os.stat(link_path) |
| self.assert_mode_equal(0o666, st.st_mode) |
| st = self.os.lstat(link_path) |
| self.assert_mode_equal(0o6543, st.st_mode) |
| |
| def test_chmod_dir(self): |
| # set up |
| self.check_posix_only() |
| self.skip_real_fs() |
| path = self.make_path('some_dir') |
| self.createTestDirectory(path) |
| # actual tests |
| self.os.chmod(path, 0o1234) |
| st = self.os.stat(path) |
| self.assert_mode_equal(0o1234, st.st_mode) |
| self.assertFalse(st.st_mode & stat.S_IFREG) |
| self.assertTrue(st.st_mode & stat.S_IFDIR) |
| |
| def test_chmod_non_existent(self): |
| # set up |
| path = self.make_path('non', 'existent', 'file') |
| self.assertFalse(self.os.path.exists(path)) |
| # actual tests |
| try: |
| # Use try-catch to check exception attributes. |
| self.os.chmod(path, 0o777) |
| self.fail('Exception is expected.') # COV_NF_LINE |
| except OSError as os_error: |
| self.assertEqual(errno.ENOENT, os_error.errno) |
| self.assertEqual(path, os_error.filename) |
| |
| def test_chown_existing_file(self): |
| # set up |
| self.skip_real_fs() |
| file_path = self.make_path('some_file') |
| self.create_file(file_path) |
| # first set it make sure it's set |
| self.os.chown(file_path, 100, 101) |
| st = self.os.stat(file_path) |
| self.assertEqual(st[stat.ST_UID], 100) |
| self.assertEqual(st[stat.ST_GID], 101) |
| # we can make sure it changed |
| self.os.chown(file_path, 200, 201) |
| st = self.os.stat(file_path) |
| self.assertEqual(st[stat.ST_UID], 200) |
| self.assertEqual(st[stat.ST_GID], 201) |
| # setting a value to -1 leaves it unchanged |
| self.os.chown(file_path, -1, -1) |
| st = self.os.stat(file_path) |
| self.assertEqual(st[stat.ST_UID], 200) |
| self.assertEqual(st[stat.ST_GID], 201) |
| |
| @unittest.skipIf(sys.version_info < (3, 3), |
| 'file descriptor as path new in Python 3.3') |
| def test_chown_uses_open_fd_as_path(self): |
| self.check_posix_only() |
| self.skip_real_fs() |
| self.assert_raises_os_error(errno.EBADF, self.os.chown, 5, 100, 101) |
| file_path = self.make_path('foo', 'bar') |
| self.create_file(file_path) |
| |
| with self.open(file_path) as f: |
| self.os.chown(f.filedes, 100, 101) |
| st = self.os.stat(file_path) |
| self.assertEqual(st[stat.ST_UID], 100) |
| |
| @unittest.skipIf(sys.version_info < (3, 3), |
| 'follow_symlinks new in Python 3.3') |
| def test_chown_follow_symlink(self): |
| self.skip_real_fs() |
| file_path = self.make_path('some_file') |
| self.create_file(file_path) |
| link_path = self.make_path('link_to_some_file') |
| self.create_symlink(link_path, file_path) |
| |
| self.os.chown(link_path, 100, 101) |
| st = self.os.stat(link_path) |
| self.assertEqual(st[stat.ST_UID], 100) |
| self.assertEqual(st[stat.ST_GID], 101) |
| st = self.os.stat(link_path, follow_symlinks=False) |
| self.assertNotEqual(st[stat.ST_UID], 100) |
| self.assertNotEqual(st[stat.ST_GID], 101) |
| |
| @unittest.skipIf(sys.version_info < (3, 3), |
| 'follow_symlinks new in Python 3.3') |
| def test_chown_no_follow_symlink(self): |
| self.skip_real_fs() |
| file_path = self.make_path('some_file') |
| self.create_file(file_path) |
| link_path = self.make_path('link_to_some_file') |
| self.create_symlink(link_path, file_path) |
| |
| self.os.chown(link_path, 100, 101, follow_symlinks=False) |
| st = self.os.stat(link_path) |
| self.assertNotEqual(st[stat.ST_UID], 100) |
| self.assertNotEqual(st[stat.ST_GID], 101) |
| st = self.os.stat(link_path, follow_symlinks=False) |
| self.assertEqual(st[stat.ST_UID], 100) |
| self.assertEqual(st[stat.ST_GID], 101) |
| |
| def test_chown_bad_arguments(self): |
| """os.chown() with bad args (Issue #30)""" |
| self.check_posix_only() |
| file_path = self.make_path('some_file') |
| self.create_file(file_path) |
| self.assertRaises(TypeError, self.os.chown, file_path, 'username', -1) |
| self.assertRaises(TypeError, self.os.chown, file_path, -1, 'groupname') |
| |
| def test_chown_nonexisting_file_should_raise_os_error(self): |
| self.check_posix_only() |
| file_path = self.make_path('some_file') |
| self.assertFalse(self.os.path.exists(file_path)) |
| self.assert_raises_os_error( |
| errno.ENOENT, self.os.chown, file_path, 100, 100) |
| |
| def test_classify_directory_contents(self): |
| """Directory classification should work correctly.""" |
| root_directory = self.make_path('foo') |
| test_directories = ['bar1', 'baz2'] |
| test_files = ['baz1', 'bar2', 'baz3'] |
| self.create_dir(root_directory) |
| for directory in test_directories: |
| directory = self.os.path.join(root_directory, directory) |
| self.create_dir(directory) |
| for test_file in test_files: |
| test_file = self.os.path.join(root_directory, test_file) |
| self.create_file(test_file) |
| |
| test_directories.sort() |
| test_files.sort() |
| generator = self.os.walk(root_directory) |
| root, dirs, files = next(generator) |
| dirs.sort() |
| files.sort() |
| self.assertEqual(root_directory, root) |
| self.assertEqual(test_directories, dirs) |
| self.assertEqual(test_files, files) |
| |
| # os.mknod does not work under MacOS due to permission issues |
| # so we test it under Linux only |
| def test_mk_nod_can_create_a_file(self): |
| self.check_linux_only() |
| filename = self.make_path('foo') |
| self.assertFalse(self.os.path.exists(filename)) |
| self.os.mknod(filename) |
| self.assertTrue(self.os.path.exists(filename)) |
| self.assertEqual(stat.S_IFREG | 0o600, self.os.stat(filename).st_mode) |
| |
| def test_mk_nod_raises_if_empty_file_name(self): |
| self.check_linux_only() |
| filename = '' |
| self.assert_raises_os_error(errno.ENOENT, self.os.mknod, filename) |
| |
| def test_mk_nod_raises_if_parent_dir_doesnt_exist(self): |
| self.check_linux_only() |
| parent = self.make_path('xyzzy') |
| filename = self.os.path.join(parent, 'foo') |
| self.assertFalse(self.os.path.exists(parent)) |
| self.assert_raises_os_error(errno.ENOENT, self.os.mknod, filename) |
| |
| def test_mk_nod_raises_if_file_exists(self): |
| self.check_linux_only() |
| filename = self.make_path('tmp', 'foo') |
| self.create_file(filename) |
| self.assertTrue(self.os.path.exists(filename)) |
| self.assert_raises_os_error(errno.EEXIST, self.os.mknod, filename) |
| |
| def test_mk_nod_raises_if_filename_is_dot(self): |
| self.check_linux_only() |
| filename = self.make_path('tmp', '.') |
| self.assert_raises_os_error(errno.ENOENT, self.os.mknod, filename) |
| |
| def test_mk_nod_raises_if_filename_is_double_dot(self): |
| self.check_linux_only() |
| filename = self.make_path('tmp', '..') |
| self.assert_raises_os_error(errno.ENOENT, self.os.mknod, filename) |
| |
| def test_mknod_empty_tail_for_existing_file_raises(self): |
| self.check_linux_only() |
| filename = self.make_path('foo') |
| self.create_file(filename) |
| self.assertTrue(self.os.path.exists(filename)) |
| self.assert_raises_os_error(errno.EEXIST, self.os.mknod, filename) |
| |
| def test_mknod_empty_tail_for_nonexistent_file_raises(self): |
| self.check_linux_only() |
| filename = self.make_path('tmp', 'foo') |
| self.assert_raises_os_error(errno.ENOENT, self.os.mknod, filename) |
| |
| def test_mknod_raises_if_filename_is_empty_string(self): |
| self.check_linux_only() |
| filename = '' |
| self.assert_raises_os_error(errno.ENOENT, self.os.mknod, filename) |
| |
| def test_mknod_raises_if_unsupported_options(self): |
| self.check_posix_only() |
| filename = 'abcde' |
| self.assert_raises_os_error(errno.EPERM, self.os.mknod, filename, |
| stat.S_IFCHR) |
| |
| def test_mknod_raises_if_parent_is_not_a_directory(self): |
| self.check_linux_only() |
| filename1 = self.make_path('foo') |
| self.create_file(filename1) |
| self.assertTrue(self.os.path.exists(filename1)) |
| filename2 = self.make_path('foo', 'bar') |
| self.assert_raises_os_error(errno.ENOTDIR, self.os.mknod, filename2) |
| |
| def test_symlink(self): |
| self.skip_if_symlink_not_supported() |
| file_path = self.make_path('foo', 'bar', 'baz') |
| self.create_dir(self.make_path('foo', 'bar')) |
| self.os.symlink('bogus', file_path) |
| self.assertTrue(self.os.path.lexists(file_path)) |
| self.assertFalse(self.os.path.exists(file_path)) |
| self.create_file(self.make_path('foo', 'bar', 'bogus')) |
| self.assertTrue(self.os.path.lexists(file_path)) |
| self.assertTrue(self.os.path.exists(file_path)) |
| |
| def test_symlink_on_nonexisting_path_raises(self): |
| self.check_posix_only() |
| dir_path = self.make_path('bar') |
| link_path = self.os.path.join(dir_path, 'bar') |
| self.assert_raises_os_error(errno.ENOENT, self.os.symlink, link_path, |
| link_path) |
| self.assert_raises_os_error(errno.ENOENT, self.os.symlink, dir_path, |
| link_path) |
| |
| def test_symlink_with_path_ending_with_sep_in_posix(self): |
| self.check_posix_only() |
| dir_path = self.make_path('dir') |
| self.create_dir(dir_path) |
| self.assert_raises_os_error(errno.EEXIST, self.os.symlink, |
| self.base_path, dir_path + self.os.sep) |
| |
| dir_path = self.make_path('bar') |
| self.assert_raises_os_error(errno.ENOENT, self.os.symlink, |
| self.base_path, dir_path + self.os.sep) |
| |
| def test_symlink_with_path_ending_with_sep_in_windows(self): |
| self.check_windows_only() |
| self.skip_if_symlink_not_supported() |
| dir_path = self.make_path('dir') |
| self.create_dir(dir_path) |
| self.assert_raises_os_error(errno.EEXIST, self.os.symlink, |
| self.base_path, dir_path + self.os.sep) |
| |
| dir_path = self.make_path('bar') |
| # does not raise under Windows |
| self.os.symlink(self.base_path, dir_path + self.os.sep) |
| |
| # hard link related tests |
| def test_link_bogus(self): |
| # trying to create a link from a non-existent file should fail |
| self.skip_if_symlink_not_supported() |
| self.assert_raises_os_error(errno.ENOENT, |
| self.os.link, '/nonexistent_source', |
| '/link_dest') |
| |
| def test_link_delete(self): |
| self.skip_if_symlink_not_supported() |
| |
| file1_path = self.make_path('test_file1') |
| file2_path = self.make_path('test_file2') |
| contents1 = 'abcdef' |
| # Create file |
| self.create_file(file1_path, contents=contents1) |
| # link to second file |
| self.os.link(file1_path, file2_path) |
| # delete first file |
| self.os.unlink(file1_path) |
| # assert that second file exists, and its contents are the same |
| self.assertTrue(self.os.path.exists(file2_path)) |
| with self.open(file2_path) as f: |
| self.assertEqual(f.read(), contents1) |
| |
| def test_link_update(self): |
| self.skip_if_symlink_not_supported() |
| |
| file1_path = self.make_path('test_file1') |
| file2_path = self.make_path('test_file2') |
| contents1 = 'abcdef' |
| contents2 = 'ghijkl' |
| # Create file and link |
| self.create_file(file1_path, contents=contents1) |
| self.os.link(file1_path, file2_path) |
| # assert that the second file contains contents1 |
| with self.open(file2_path) as f: |
| self.assertEqual(f.read(), contents1) |
| # update the first file |
| with self.open(file1_path, 'w') as f: |
| f.write(contents2) |
| # assert that second file contains contents2 |
| with self.open(file2_path) as f: |
| self.assertEqual(f.read(), contents2) |
| |
| def test_link_non_existent_parent(self): |
| self.skip_if_symlink_not_supported() |
| file1_path = self.make_path('test_file1') |
| breaking_link_path = self.make_path('nonexistent', 'test_file2') |
| contents1 = 'abcdef' |
| # Create file and link |
| self.create_file(file1_path, contents=contents1) |
| |
| # trying to create a link under a non-existent directory should fail |
| self.assert_raises_os_error( |
| errno.ENOENT, self.os.link, file1_path, breaking_link_path) |
| |
| def test_link_is_existing_file(self): |
| self.skip_if_symlink_not_supported() |
| file_path = self.make_path('foo', 'bar') |
| self.create_file(file_path) |
| self.assert_raises_os_error(errno.EEXIST, self.os.link, file_path, |
| file_path) |
| |
| def test_link_target_is_dir_windows(self): |
| self.check_windows_only() |
| self.skip_if_symlink_not_supported() |
| dir_path = self.make_path('foo', 'bar') |
| link_path = self.os.path.join(dir_path, 'link') |
| self.create_dir(dir_path) |
| self.assert_raises_os_error(errno.EACCES, self.os.link, dir_path, |
| link_path) |
| |
| def test_link_target_is_dir_posix(self): |
| self.check_posix_only() |
| dir_path = self.make_path('foo', 'bar') |
| link_path = self.os.path.join(dir_path, 'link') |
| self.create_dir(dir_path) |
| self.assert_raises_os_error(errno.EPERM, self.os.link, dir_path, |
| link_path) |
| |
| def test_link_count1(self): |
| """Test that hard link counts are updated correctly.""" |
| self.skip_if_symlink_not_supported() |
| file1_path = self.make_path('test_file1') |
| file2_path = self.make_path('test_file2') |
| file3_path = self.make_path('test_file3') |
| self.create_file(file1_path) |
| # initial link count should be one |
| self.assertEqual(self.os.stat(file1_path).st_nlink, 1) |
| self.os.link(file1_path, file2_path) |
| # the count should be incremented for each hard link created |
| self.assertEqual(self.os.stat(file1_path).st_nlink, 2) |
| self.assertEqual(self.os.stat(file2_path).st_nlink, 2) |
| # Check that the counts are all updated together |
| self.os.link(file2_path, file3_path) |
| self.assertEqual(self.os.stat(file1_path).st_nlink, 3) |
| self.assertEqual(self.os.stat(file2_path).st_nlink, 3) |
| self.assertEqual(self.os.stat(file3_path).st_nlink, 3) |
| # Counts should be decremented when links are removed |
| self.os.unlink(file3_path) |
| self.assertEqual(self.os.stat(file1_path).st_nlink, 2) |
| self.assertEqual(self.os.stat(file2_path).st_nlink, 2) |
| # check that it gets decremented correctly again |
| self.os.unlink(file1_path) |
| self.assertEqual(self.os.stat(file2_path).st_nlink, 1) |
| |
| def test_nlink_for_directories(self): |
| self.skip_real_fs() |
| self.create_dir(self.make_path('foo', 'bar')) |
| self.create_file(self.make_path('foo', 'baz')) |
| self.assertEqual(2, self.filesystem.get_object( |
| self.make_path('foo', 'bar')).st_nlink) |
| self.assertEqual(4, self.filesystem.get_object( |
| self.make_path('foo')).st_nlink) |
| self.create_file(self.make_path('foo', 'baz2')) |
| self.assertEqual(5, self.filesystem.get_object( |
| self.make_path('foo')).st_nlink) |
| |
| def test_umask(self): |
| self.check_posix_only() |
| umask = os.umask(0o22) |
| os.umask(umask) |
| self.assertEqual(umask, self.os.umask(0o22)) |
| |
| def test_mkdir_umask_applied(self): |
| """mkdir creates a directory with umask applied.""" |
| self.check_posix_only() |
| self.os.umask(0o22) |
| dir1 = self.make_path('dir1') |
| self.os.mkdir(dir1) |
| self.assert_mode_equal(0o755, self.os.stat(dir1).st_mode) |
| self.os.umask(0o67) |
| dir2 = self.make_path('dir2') |
| self.os.mkdir(dir2) |
| self.assert_mode_equal(0o710, self.os.stat(dir2).st_mode) |
| |
| def test_makedirs_umask_applied(self): |
| """makedirs creates a directories with umask applied.""" |
| self.check_posix_only() |
| self.os.umask(0o22) |
| self.os.makedirs(self.make_path('p1', 'dir1')) |
| self.assert_mode_equal( |
| 0o755, self.os.stat(self.make_path('p1')).st_mode) |
| self.assert_mode_equal( |
| 0o755, self.os.stat(self.make_path('p1', 'dir1')).st_mode) |
| self.os.umask(0o67) |
| self.os.makedirs(self.make_path('p2', 'dir2')) |
| self.assert_mode_equal( |
| 0o710, self.os.stat(self.make_path('p2')).st_mode) |
| self.assert_mode_equal( |
| 0o710, self.os.stat(self.make_path('p2', 'dir2')).st_mode) |
| |
| def test_mknod_umask_applied(self): |
| """mkdir creates a device with umask applied.""" |
| # skipping MacOs due to mknod permission issues |
| self.check_linux_only() |
| self.os.umask(0o22) |
| node1 = self.make_path('nod1') |
| self.os.mknod(node1, stat.S_IFREG | 0o666) |
| self.assert_mode_equal(0o644, self.os.stat(node1).st_mode) |
| self.os.umask(0o27) |
| node2 = self.make_path('nod2') |
| self.os.mknod(node2, stat.S_IFREG | 0o666) |
| self.assert_mode_equal(0o640, self.os.stat(node2).st_mode) |
| |
| def test_open_umask_applied(self): |
| """open creates a file with umask applied.""" |
| self.check_posix_only() |
| self.os.umask(0o22) |
| file1 = self.make_path('file1') |
| self.open(file1, 'w').close() |
| self.assert_mode_equal(0o644, self.os.stat(file1).st_mode) |
| self.os.umask(0o27) |
| file2 = self.make_path('file2') |
| self.open(file2, 'w').close() |
| self.assert_mode_equal(0o640, self.os.stat(file2).st_mode) |
| |
| |
| class RealOsModuleTest(FakeOsModuleTest): |
| def use_real_fs(self): |
| return True |
| |
| |
| class FakeOsModuleTestCaseInsensitiveFS(FakeOsModuleTestBase): |
| def setUp(self): |
| super(FakeOsModuleTestCaseInsensitiveFS, self).setUp() |
| self.check_case_insensitive_fs() |
| self.rwx = self.os.R_OK | self.os.W_OK | self.os.X_OK |
| self.rw = self.os.R_OK | self.os.W_OK |
| |
| def test_chdir_fails_non_directory(self): |
| """chdir should raise OSError if the target is not a directory.""" |
| filename = self.make_path('foo', 'bar') |
| self.create_file(filename) |
| filename1 = self.make_path('Foo', 'Bar') |
| self.assert_raises_os_error( |
| self.not_dir_error(), self.os.chdir, filename1) |
| |
| def test_listdir_returns_list(self): |
| directory_root = self.make_path('xyzzy') |
| self.os.mkdir(directory_root) |
| directory = self.os.path.join(directory_root, 'bug') |
| self.os.mkdir(directory) |
| directory_upper = self.make_path('XYZZY', 'BUG') |
| self.create_file(self.make_path(directory, 'foo')) |
| self.assertEqual(['foo'], self.os.listdir(directory_upper)) |
| |
| def test_listdir_on_symlink(self): |
| self.skip_if_symlink_not_supported() |
| directory = self.make_path('xyzzy') |
| files = ['foo', 'bar', 'baz'] |
| for f in files: |
| self.create_file(self.make_path(directory, f)) |
| self.create_symlink(self.make_path('symlink'), self.make_path('xyzzy')) |
| files.sort() |
| self.assertEqual(files, |
| sorted(self.os.listdir(self.make_path('SymLink')))) |
| |
| def test_fdopen_mode(self): |
| self.skip_real_fs() |
| file_path1 = self.make_path('some_file1') |
| file_path2 = self.make_path('Some_File1') |
| file_path3 = self.make_path('SOME_file1') |
| self.create_file(file_path1, contents='contents here1') |
| self.os.chmod(file_path2, (stat.S_IFREG | 0o666) ^ stat.S_IWRITE) |
| |
| fake_file1 = self.open(file_path3, 'r') |
| fileno1 = fake_file1.fileno() |
| self.os.fdopen(fileno1) |
| self.os.fdopen(fileno1, 'r') |
| exception = OSError if self.is_python2 else IOError |
| self.assertRaises(exception, self.os.fdopen, fileno1, 'w') |
| |
| def test_stat(self): |
| directory = self.make_path('xyzzy') |
| directory1 = self.make_path('XYZZY') |
| file_path = self.os.path.join(directory, 'plugh') |
| self.create_file(file_path, contents='ABCDE') |
| self.assertTrue(stat.S_IFDIR & self.os.stat(directory1)[stat.ST_MODE]) |
| file_path1 = self.os.path.join(directory1, 'Plugh') |
| self.assertTrue(stat.S_IFREG & self.os.stat(file_path1)[stat.ST_MODE]) |
| self.assertTrue(stat.S_IFREG & self.os.stat(file_path1).st_mode) |
| self.assertEqual(5, self.os.stat(file_path1)[stat.ST_SIZE]) |
| |
| @unittest.skipIf(sys.version_info < (3, 3), |
| 'follow_symlinks new in Python 3.3') |
| def test_stat_no_follow_symlinks_posix(self): |
| """Test that stat with follow_symlinks=False behaves like lstat.""" |
| self.check_posix_only() |
| directory = self.make_path('xyzzy') |
| base_name = 'plugh' |
| file_contents = 'frobozz' |
| # Just make sure we didn't accidentally make our test data meaningless. |
| self.assertNotEqual(len(base_name), len(file_contents)) |
| file_path = self.os.path.join(directory, base_name) |
| link_path = self.os.path.join(directory, 'link') |
| self.create_file(file_path, contents=file_contents) |
| self.create_symlink(link_path, base_name) |
| self.assertEqual(len(file_contents), self.os.stat( |
| file_path.upper(), follow_symlinks=False)[stat.ST_SIZE]) |
| self.assertEqual(len(base_name), self.os.stat( |
| link_path.upper(), follow_symlinks=False)[stat.ST_SIZE]) |
| |
| def test_lstat_posix(self): |
| self.check_posix_only() |
| directory = self.make_path('xyzzy') |
| base_name = 'plugh' |
| file_contents = 'frobozz' |
| # Just make sure we didn't accidentally make our test data meaningless. |
| self.assertNotEqual(len(base_name), len(file_contents)) |
| file_path = self.os.path.join(directory, base_name) |
| link_path = self.os.path.join(directory, 'link') |
| self.create_file(file_path, contents=file_contents) |
| self.create_symlink(link_path, base_name) |
| self.assertEqual(len(file_contents), |
| self.os.lstat(file_path.upper())[stat.ST_SIZE]) |
| self.assertEqual(len(base_name), |
| self.os.lstat(link_path.upper())[stat.ST_SIZE]) |
| |
| def test_readlink(self): |
| self.skip_if_symlink_not_supported() |
| link_path = self.make_path('foo', 'bar', 'baz') |
| target = self.make_path('tarJAY') |
| self.create_symlink(link_path, target) |
| self.assertEqual(self.os.readlink(link_path.upper()), target) |
| |
| def check_readlink_raises_if_path_not_a_link(self): |
| file_path = self.make_path('foo', 'bar', 'eleventyone') |
| self.create_file(file_path) |
| self.assert_raises_os_error(errno.EINVAL, |
| self.os.readlink, file_path.upper()) |
| |
| def test_readlink_raises_if_path_not_a_link_windows(self): |
| self.check_windows_only() |
| self.skip_if_symlink_not_supported() |
| self.check_readlink_raises_if_path_not_a_link() |
| |
| def test_readlink_raises_if_path_not_a_link_posix(self): |
| self.check_posix_only() |
| self.check_readlink_raises_if_path_not_a_link() |
| |
| def check_readlink_raises_if_path_has_file(self, error_subtype): |
| self.create_file(self.make_path('a_file')) |
| file_path = self.make_path('a_file', 'foo') |
| self.assert_raises_os_error(error_subtype, |
| self.os.readlink, file_path.upper()) |
| file_path = self.make_path('a_file', 'foo', 'bar') |
| self.assert_raises_os_error(error_subtype, |
| self.os.readlink, file_path.upper()) |
| |
| def test_readlink_raises_if_path_has_file_windows(self): |
| self.check_windows_only() |
| self.skip_if_symlink_not_supported() |
| self.check_readlink_raises_if_path_has_file(errno.ENOENT) |
| |
| def test_readlink_raises_if_path_has_file_posix(self): |
| self.check_posix_only() |
| self.check_readlink_raises_if_path_has_file(errno.ENOTDIR) |
| |
| def test_readlink_with_links_in_path(self): |
| self.skip_if_symlink_not_supported() |
| self.create_symlink(self.make_path('meyer', 'lemon', 'pie'), |
| self.make_path('yum')) |
| self.create_symlink(self.make_path('geo', 'metro'), |
| self.make_path('Meyer')) |
| self.assertEqual(self.make_path('yum'), |
| self.os.readlink( |
| self.make_path('Geo', 'Metro', 'Lemon', 'Pie'))) |
| |
| def test_readlink_with_chained_links_in_path(self): |
| self.skip_if_symlink_not_supported() |
| self.create_symlink(self.make_path( |
| 'eastern', 'european', 'wolfhounds', 'chase'), |
| self.make_path('cats')) |
| self.create_symlink(self.make_path('russian'), |
| self.make_path('Eastern', 'European')) |
| self.create_symlink(self.make_path('dogs'), |
| self.make_path('Russian', 'Wolfhounds')) |
| self.assertEqual(self.make_path('cats'), |
| self.os.readlink(self.make_path('DOGS', 'Chase'))) |
| |
| def check_remove_dir(self, dir_error): |
| directory = self.make_path('xyzzy') |
| dir_path = self.os.path.join(directory, 'plugh') |
| self.create_dir(dir_path) |
| dir_path = dir_path.upper() |
| self.assertTrue(self.os.path.exists(dir_path.upper())) |
| self.assert_raises_os_error(dir_error, self.os.remove, dir_path) |
| self.assertTrue(self.os.path.exists(dir_path)) |
| self.os.chdir(directory) |
| self.assert_raises_os_error(dir_error, self.os.remove, dir_path) |
| self.assertTrue(self.os.path.exists(dir_path)) |
| self.assert_raises_os_error(errno.ENOENT, self.os.remove, '/Plugh') |
| |
| def test_remove_dir_mac_os(self): |
| self.check_macos_only() |
| self.check_remove_dir(errno.EPERM) |
| |
| def test_remove_dir_windows(self): |
| self.check_windows_only() |
| self.check_remove_dir(errno.EACCES) |
| |
| def test_remove_file(self): |
| directory = self.make_path('zzy') |
| file_path = self.os.path.join(directory, 'plugh') |
| self.create_file(file_path) |
| self.assertTrue(self.os.path.exists(file_path.upper())) |
| self.os.remove(file_path.upper()) |
| self.assertFalse(self.os.path.exists(file_path)) |
| |
| def test_remove_file_no_directory(self): |
| directory = self.make_path('zzy') |
| file_name = 'plugh' |
| file_path = self.os.path.join(directory, file_name) |
| self.create_file(file_path) |
| self.assertTrue(self.os.path.exists(file_path)) |
| self.os.chdir(directory.upper()) |
| self.os.remove(file_name.upper()) |
| self.assertFalse(self.os.path.exists(file_path)) |
| |
| def test_remove_open_file_fails_under_windows(self): |
| self.check_windows_only() |
| path = self.make_path('foo', 'bar') |
| self.create_file(path) |
| with self.open(path, 'r'): |
| self.assert_raises_os_error(errno.EACCES, |
| self.os.remove, path.upper()) |
| self.assertTrue(self.os.path.exists(path)) |
| |
| def test_remove_open_file_possible_under_posix(self): |
| self.check_posix_only() |
| path = self.make_path('foo', 'bar') |
| self.create_file(path) |
| self.open(path, 'r') |
| self.os.remove(path.upper()) |
| self.assertFalse(self.os.path.exists(path)) |
| |
| def test_remove_file_relative_path(self): |
| self.skip_real_fs() |
| original_dir = self.os.getcwd() |
| directory = self.make_path('zzy') |
| subdirectory = self.os.path.join(directory, 'zzy') |
| file_name = 'plugh' |
| file_path = self.os.path.join(directory, file_name) |
| file_path_relative = self.os.path.join('..', file_name) |
| self.create_file(file_path.upper()) |
| self.assertTrue(self.os.path.exists(file_path)) |
| self.create_dir(subdirectory) |
| self.assertTrue(self.os.path.exists(subdirectory)) |
| self.os.chdir(subdirectory.upper()) |
| self.os.remove(file_path_relative.upper()) |
| self.assertFalse(self.os.path.exists(file_path_relative)) |
| self.os.chdir(original_dir.upper()) |
| self.assertFalse(self.os.path.exists(file_path)) |
| |
| def check_remove_dir_raises_error(self, dir_error): |
| directory = self.make_path('zzy') |
| self.create_dir(directory) |
| self.assert_raises_os_error(dir_error, |
| self.os.remove, directory.upper()) |
| |
| def test_remove_dir_raises_error_mac_os(self): |
| self.check_macos_only() |
| self.check_remove_dir_raises_error(errno.EPERM) |
| |
| def test_remove_dir_raises_error_windows(self): |
| self.check_windows_only() |
| self.check_remove_dir_raises_error(errno.EACCES) |
| |
| def test_remove_symlink_to_dir(self): |
| self.skip_if_symlink_not_supported() |
| directory = self.make_path('zzy') |
| link = self.make_path('link_to_dir') |
| self.create_dir(directory) |
| self.os.symlink(directory, link) |
| self.assertTrue(self.os.path.exists(directory)) |
| self.assertTrue(self.os.path.exists(link)) |
| self.os.remove(link.upper()) |
| self.assertTrue(self.os.path.exists(directory)) |
| self.assertFalse(self.os.path.exists(link)) |
| |
| def test_rename_dir_to_symlink_posix(self): |
| self.check_posix_only() |
| link_path = self.make_path('link') |
| dir_path = self.make_path('dir') |
| link_target = self.os.path.join(dir_path, 'link_target') |
| self.create_dir(dir_path) |
| self.os.symlink(link_target.upper(), link_path.upper()) |
| self.assert_raises_os_error(errno.ENOTDIR, self.os.rename, dir_path, |
| link_path) |
| |
| def test_rename_dir_to_symlink_windows(self): |
| self.check_windows_only() |
| self.skip_if_symlink_not_supported() |
| link_path = self.make_path('link') |
| dir_path = self.make_path('dir') |
| link_target = self.os.path.join(dir_path, 'link_target') |
| self.create_dir(dir_path) |
| self.os.symlink(link_target.upper(), link_path.upper()) |
| self.assert_raises_os_error(errno.EEXIST, self.os.rename, dir_path, |
| link_path) |
| |
| def test_rename_dir_to_existing_dir(self): |
| # Regression test for #317 |
| self.check_posix_only() |
| dest_dir_path = self.make_path('Dest') |
| new_dest_dir_path = self.make_path('dest') |
| self.os.mkdir(dest_dir_path) |
| source_dir_path = self.make_path('src') |
| self.os.mkdir(source_dir_path) |
| self.os.rename(source_dir_path, new_dest_dir_path) |
| self.assertEqual(['dest'], self.os.listdir(self.base_path)) |
| |
| def test_rename_file_to_symlink(self): |
| self.check_posix_only() |
| link_path = self.make_path('file_link') |
| file_path = self.make_path('file') |
| self.os.symlink(file_path, link_path) |
| self.create_file(file_path) |
| self.os.rename(file_path.upper(), link_path) |
| self.assertFalse(self.os.path.exists(file_path)) |
| self.assertTrue(self.os.path.exists(link_path.upper())) |
| self.assertTrue(self.os.path.isfile(link_path.upper())) |
| |
| def test_rename_symlink_to_symlink(self): |
| self.check_posix_only() |
| base_path = self.make_path('foo', 'bar') |
| self.create_dir(base_path) |
| link_path1 = self.os.path.join(base_path, 'link1') |
| link_path2 = self.os.path.join(base_path, 'link2') |
| self.os.symlink(base_path.upper(), link_path1) |
| self.os.symlink(base_path, link_path2) |
| self.os.rename(link_path1.upper(), link_path2.upper()) |
| self.assertFalse(self.os.path.exists(link_path1)) |
| self.assertTrue(self.os.path.exists(link_path2)) |
| |
| def test_rename_symlink_to_symlink_for_parent_raises(self): |
| self.check_posix_only() |
| dir_link = self.make_path('dir_link') |
| dir_path = self.make_path('dir') |
| dir_in_dir_path = self.os.path.join(dir_link, 'inner_dir') |
| self.create_dir(dir_path) |
| self.os.symlink(dir_path.upper(), dir_link) |
| self.create_dir(dir_in_dir_path) |
| self.assert_raises_os_error(errno.EINVAL, self.os.rename, dir_path, |
| dir_in_dir_path.upper()) |
| |
| def test_rename_directory_to_linked_dir(self): |
| # Regression test for #314 |
| self.skip_if_symlink_not_supported() |
| link_path = self.make_path('link') |
| self.os.symlink(self.base_path, link_path) |
| link_subdir = self.os.path.join(link_path, 'dir') |
| dir_path = self.make_path('Dir') |
| self.os.mkdir(dir_path) |
| self.os.rename(dir_path, link_subdir) |
| self.assertEqual(['dir', 'link'], |
| sorted(self.os.listdir(self.base_path))) |
| |
| def test_recursive_rename_raises(self): |
| self.check_posix_only() |
| base_path = self.make_path('foo', 'bar') |
| self.create_dir(base_path) |
| new_path = self.os.path.join(base_path, 'new_dir') |
| self.assert_raises_os_error(errno.EINVAL, self.os.rename, |
| base_path.upper(), new_path) |
| |
| def test_rename_with_target_parent_file_raises_posix(self): |
| self.check_posix_only() |
| file_path = self.make_path('foo', 'baz') |
| self.create_file(file_path) |
| self.assert_raises_os_error(errno.ENOTDIR, self.os.rename, file_path, |
| file_path.upper() + '/new') |
| |
| def test_rename_with_target_parent_file_raises_windows(self): |
| self.check_windows_only() |
| file_path = self.make_path('foo', 'baz') |
| self.create_file(file_path) |
| self.assert_raises_os_error( |
| errno.EACCES, self.os.rename, file_path, |
| self.os.path.join(file_path.upper(), 'new')) |
| |
| def test_rename_looping_symlink(self): |
| # Regression test for #315 |
| self.skip_if_symlink_not_supported() |
| path_lower = self.make_path('baz') |
| path_upper = self.make_path('BAZ') |
| self.os.symlink(path_lower, path_upper) |
| self.os.rename(path_upper, path_lower) |
| self.assertEqual(['baz'], self.os.listdir(self.base_path)) |
| |
| def test_rename_symlink_to_source(self): |
| self.check_posix_only() |
| base_path = self.make_path('foo') |
| link_path = self.os.path.join(base_path, 'slink') |
| file_path = self.os.path.join(base_path, 'file') |
| self.create_file(file_path) |
| self.os.symlink(file_path, link_path) |
| self.os.rename(link_path.upper(), file_path.upper()) |
| self.assertFalse(self.os.path.exists(file_path)) |
| |
| def test_rename_symlink_to_dir_raises(self): |
| self.check_posix_only() |
| base_path = self.make_path('foo', 'bar') |
| link_path = self.os.path.join(base_path, 'dir_link') |
| dir_path = self.os.path.join(base_path, 'dir') |
| self.create_dir(dir_path) |
| self.os.symlink(dir_path, link_path.upper()) |
| self.assert_raises_os_error(errno.EISDIR, self.os.rename, link_path, |
| dir_path.upper()) |
| |
| def test_rename_broken_symlink(self): |
| self.check_posix_only() |
| base_path = self.make_path('foo') |
| self.create_dir(base_path) |
| link_path = self.os.path.join(base_path, 'slink') |
| file_path = self.os.path.join(base_path, 'file') |
| self.os.symlink(file_path.upper(), link_path) |
| self.os.rename(link_path.upper(), file_path) |
| self.assertFalse(self.os.path.exists(file_path)) |
| self.assertTrue(self.os.path.lexists(file_path)) |
| self.assertFalse(self.os.path.exists(link_path)) |
| |
| def test_change_case_in_case_insensitive_file_system(self): |
| """Can use `rename()` to change filename case in a case-insensitive |
| file system.""" |
| old_file_path = self.make_path('fileName') |
| new_file_path = self.make_path('FileNAME') |
| self.create_file(old_file_path, contents='test contents') |
| self.assertEqual(['fileName'], self.os.listdir(self.base_path)) |
| self.os.rename(old_file_path, new_file_path) |
| self.assertTrue(self.os.path.exists(old_file_path)) |
| self.assertTrue(self.os.path.exists(new_file_path)) |
| self.assertEqual(['FileNAME'], self.os.listdir(self.base_path)) |
| |
| def test_rename_symlink_with_changed_case(self): |
| # Regression test for #313 |
| self.skip_if_symlink_not_supported() |
| link_path = self.make_path('link') |
| self.os.symlink(self.base_path, link_path) |
| link_path = self.os.path.join(link_path, 'link') |
| link_path_upper = self.make_path('link', 'LINK') |
| self.os.rename(link_path_upper, link_path) |
| |
| def test_rename_directory(self): |
| """Can rename a directory to an unused name.""" |
| for old_path, new_path in [('wxyyw', 'xyzzy'), ('abccb', 'cdeed')]: |
| old_path = self.make_path(old_path) |
| new_path = self.make_path(new_path) |
| self.create_file(self.os.path.join(old_path, 'plugh'), |
| contents='test') |
| self.assertTrue(self.os.path.exists(old_path)) |
| self.assertFalse(self.os.path.exists(new_path)) |
| self.os.rename(old_path.upper(), new_path.upper()) |
| self.assertFalse(self.os.path.exists(old_path)) |
| self.assertTrue(self.os.path.exists(new_path)) |
| self.check_contents(self.os.path.join(new_path, 'plugh'), 'test') |
| if not self.use_real_fs(): |
| self.assertEqual(3, |
| self.filesystem.get_object(new_path).st_nlink) |
| |
| def check_rename_directory_to_existing_file_raises(self, error_nr): |
| dir_path = self.make_path('dir') |
| file_path = self.make_path('file') |
| self.create_dir(dir_path) |
| self.create_file(file_path) |
| self.assert_raises_os_error(error_nr, self.os.rename, dir_path, |
| file_path.upper()) |
| |
| def test_rename_directory_to_existing_file_raises_posix(self): |
| self.check_posix_only() |
| self.check_rename_directory_to_existing_file_raises(errno.ENOTDIR) |
| |
| def test_rename_directory_to_existing_file_raises_windows(self): |
| self.check_windows_only() |
| self.check_rename_directory_to_existing_file_raises(errno.EEXIST) |
| |
| def test_rename_to_existing_directory_should_raise_under_windows(self): |
| """Renaming to an existing directory raises OSError under Windows.""" |
| self.check_windows_only() |
| old_path = self.make_path('foo', 'bar') |
| new_path = self.make_path('foo', 'baz') |
| self.create_dir(old_path) |
| self.create_dir(new_path) |
| self.assert_raises_os_error(errno.EEXIST, self.os.rename, |
| old_path.upper(), |
| new_path.upper()) |
| |
| def test_rename_to_a_hardlink_of_same_file_should_do_nothing(self): |
| self.skip_real_fs_failure(skip_posix=False) |
| self.skip_if_symlink_not_supported() |
| file_path = self.make_path('dir', 'file') |
| self.create_file(file_path) |
| link_path = self.make_path('link') |
| self.os.link(file_path.upper(), link_path) |
| self.os.rename(file_path, link_path.upper()) |
| self.assertTrue(self.os.path.exists(file_path)) |
| self.assertTrue(self.os.path.exists(link_path)) |
| |
| def test_rename_with_incorrect_source_case(self): |
| # Regression test for #308 |
| base_path = self.make_path('foo') |
| path0 = self.os.path.join(base_path, 'bar') |
| path1 = self.os.path.join(base_path, 'Bar') |
| self.create_dir(path0) |
| self.os.rename(path1, path0) |
| self.assertTrue(self.os.path.exists(path0)) |
| |
| def test_rename_symlink_to_other_case_does_nothing_in_mac_os(self): |
| # Regression test for #318 |
| self.check_macos_only() |
| path0 = self.make_path("beta") |
| self.os.symlink(self.base_path, path0) |
| path0 = self.make_path("beta", "Beta") |
| path1 = self.make_path("Beta") |
| self.os.rename(path0, path1) |
| self.assertEqual(['beta'], sorted(self.os.listdir(path0))) |
| |
| def test_rename_symlink_to_other_case_works_in_windows(self): |
| self.check_windows_only() |
| self.skip_if_symlink_not_supported() |
| path0 = self.make_path("beta") |
| self.os.symlink(self.base_path, path0) |
| path0 = self.make_path("beta", "Beta") |
| path1 = self.make_path("Beta") |
| self.os.rename(path0, path1) |
| self.assertEqual(['Beta'], sorted(self.os.listdir(path0))) |
| |
| def test_stat_with_mixed_case(self): |
| # Regression test for #310 |
| self.skip_if_symlink_not_supported() |
| base_path = self.make_path('foo') |
| path = self.os.path.join(base_path, 'bar') |
| self.create_dir(path) |
| path = self.os.path.join(path, 'Bar') |
| self.os.symlink(base_path, path) |
| path = self.os.path.join(path, 'Bar') |
| # used to raise |
| self.os.stat(path) |
| |
| def test_hardlink_works_with_symlink(self): |
| self.check_posix_only() |
| base_path = self.make_path('foo') |
| self.create_dir(base_path) |
| symlink_path = self.os.path.join(base_path, 'slink') |
| self.os.symlink(base_path.upper(), symlink_path) |
| file_path = self.os.path.join(base_path, 'slink', 'beta') |
| self.create_file(file_path) |
| link_path = self.os.path.join(base_path, 'Slink', 'gamma') |
| self.os.link(file_path, link_path) |
| self.assertTrue(self.os.path.exists(link_path)) |
| |
| @unittest.skipIf(sys.version_info < (3, 3), 'replace is new in Python 3.3') |
| def test_replace_existing_directory_should_raise_under_windows(self): |
| """Renaming to an existing directory raises OSError under Windows.""" |
| self.check_windows_only() |
| old_path = self.make_path('foo', 'bar') |
| new_path = self.make_path('foo', 'baz') |
| self.create_dir(old_path) |
| self.create_dir(new_path) |
| self.assert_raises_os_error(errno.EACCES, self.os.replace, old_path, |
| new_path.upper()) |
| |
| def test_rename_to_existing_directory_under_posix(self): |
| """Renaming to an existing directory changes the existing directory |
| under Posix.""" |
| self.check_posix_only() |
| old_path = self.make_path('foo', 'bar') |
| new_path = self.make_path('xyzzy') |
| self.create_dir(self.os.path.join(old_path, 'sub')) |
| self.create_dir(new_path) |
| self.os.rename(old_path.upper(), new_path.upper()) |
| self.assertTrue( |
| self.os.path.exists(self.os.path.join(new_path, 'sub'))) |
| self.assertFalse(self.os.path.exists(old_path)) |
| |
| def test_rename_file_to_existing_directory_raises_under_posix(self): |
| self.check_posix_only() |
| file_path = self.make_path('foo', 'bar', 'baz') |
| new_path = self.make_path('xyzzy') |
| self.create_file(file_path) |
| self.create_dir(new_path) |
| self.assert_raises_os_error(errno.EISDIR, self.os.rename, |
| file_path.upper(), |
| new_path.upper()) |
| |
| def test_rename_to_existent_file_posix(self): |
| """Can rename a file to a used name under Unix.""" |
| self.check_posix_only() |
| directory = self.make_path('xyzzy') |
| old_file_path = self.os.path.join(directory, 'plugh_old') |
| new_file_path = self.os.path.join(directory, 'plugh_new') |
| self.create_file(old_file_path, contents='test contents 1') |
| self.create_file(new_file_path, contents='test contents 2') |
| self.assertTrue(self.os.path.exists(old_file_path)) |
| self.assertTrue(self.os.path.exists(new_file_path)) |
| self.os.rename(old_file_path.upper(), new_file_path.upper()) |
| self.assertFalse(self.os.path.exists(old_file_path)) |
| self.assertTrue(self.os.path.exists(new_file_path)) |
| self.check_contents(new_file_path, 'test contents 1') |
| |
| def test_rename_to_existent_file_windows(self): |
| """Renaming a file to a used name raises OSError under Windows.""" |
| self.check_windows_only() |
| directory = self.make_path('xyzzy') |
| old_file_path = self.os.path.join(directory, 'plugh_old') |
| new_file_path = self.os.path.join(directory, 'plugh_new') |
| self.create_file(old_file_path, contents='test contents 1') |
| self.create_file(new_file_path, contents='test contents 2') |
| self.assertTrue(self.os.path.exists(old_file_path)) |
| self.assertTrue(self.os.path.exists(new_file_path)) |
| self.assert_raises_os_error(errno.EEXIST, self.os.rename, |
| old_file_path.upper(), |
| new_file_path.upper()) |
| |
| @unittest.skipIf(sys.version_info < (3, 3), 'replace is new in Python 3.3') |
| def test_replace_to_existent_file(self): |
| """Replaces an existing file (does not work with `rename()` under |
| Windows).""" |
| directory = self.make_path('xyzzy') |
| old_file_path = self.os.path.join(directory, 'plugh_old') |
| new_file_path = self.os.path.join(directory, 'plugh_new') |
| self.create_file(old_file_path, contents='test contents 1') |
| self.create_file(new_file_path, contents='test contents 2') |
| self.assertTrue(self.os.path.exists(old_file_path)) |
| self.assertTrue(self.os.path.exists(new_file_path)) |
| self.os.replace(old_file_path.upper(), new_file_path.upper()) |
| self.assertFalse(self.os.path.exists(old_file_path)) |
| self.assertTrue(self.os.path.exists(new_file_path)) |
| self.check_contents(new_file_path, 'test contents 1') |
| |
| def test_rename_to_nonexistent_dir(self): |
| """Can rename a file to a name in a nonexistent dir.""" |
| directory = self.make_path('xyzzy') |
| old_file_path = self.os.path.join(directory, 'plugh_old') |
| new_file_path = self.os.path.join( |
| directory, 'no_such_path', 'plugh_new') |
| self.create_file(old_file_path, contents='test contents') |
| self.assertTrue(self.os.path.exists(old_file_path)) |
| self.assertFalse(self.os.path.exists(new_file_path)) |
| self.assert_raises_os_error(errno.ENOENT, self.os.rename, |
| old_file_path.upper(), |
| new_file_path.upper()) |
| self.assertTrue(self.os.path.exists(old_file_path)) |
| self.assertFalse(self.os.path.exists(new_file_path)) |
| self.check_contents(old_file_path, 'test contents') |
| |
| def check_rename_case_only_with_symlink_parent(self): |
| # Regression test for #319 |
| self.os.symlink(self.base_path, self.make_path('link')) |
| dir_upper = self.make_path('link', 'Alpha') |
| self.os.mkdir(dir_upper) |
| dir_lower = self.make_path('alpha') |
| self.os.rename(dir_upper, dir_lower) |
| self.assertEqual(['alpha', 'link'], |
| sorted(self.os.listdir(self.base_path))) |
| |
| def test_rename_case_only_with_symlink_parent_windows(self): |
| self.check_windows_only() |
| self.skip_if_symlink_not_supported() |
| self.check_rename_case_only_with_symlink_parent() |
| |
| def test_rename_case_only_with_symlink_parent_macos(self): |
| self.check_macos_only() |
| self.check_rename_case_only_with_symlink_parent() |
| |
| def test_rename_dir(self): |
| """Test a rename of a directory.""" |
| directory = self.make_path('xyzzy') |
| before_dir = self.os.path.join(directory, 'before') |
| before_file = self.os.path.join(directory, 'before', 'file') |
| after_dir = self.os.path.join(directory, 'after') |
| after_file = self.os.path.join(directory, 'after', 'file') |
| self.create_dir(before_dir) |
| self.create_file(before_file, contents='payload') |
| self.assertTrue(self.os.path.exists(before_dir.upper())) |
| self.assertTrue(self.os.path.exists(before_file.upper())) |
| self.assertFalse(self.os.path.exists(after_dir.upper())) |
| self.assertFalse(self.os.path.exists(after_file.upper())) |
| self.os.rename(before_dir.upper(), after_dir) |
| self.assertFalse(self.os.path.exists(before_dir.upper())) |
| self.assertFalse(self.os.path.exists(before_file.upper())) |
| self.assertTrue(self.os.path.exists(after_dir.upper())) |
| self.assertTrue(self.os.path.exists(after_file.upper())) |
| self.check_contents(after_file, 'payload') |
| |
| def test_rename_same_filenames(self): |
| """Test renaming when old and new names are the same.""" |
| directory = self.make_path('xyzzy') |
| file_contents = 'Spam eggs' |
| file_path = self.os.path.join(directory, 'eggs') |
| self.create_file(file_path, contents=file_contents) |
| self.os.rename(file_path, file_path.upper()) |
| self.check_contents(file_path, file_contents) |
| |
| def test_rmdir(self): |
| """Can remove a directory.""" |
| directory = self.make_path('xyzzy') |
| sub_dir = self.make_path('xyzzy', 'abccd') |
| other_dir = self.make_path('xyzzy', 'cdeed') |
| self.create_dir(directory) |
| self.assertTrue(self.os.path.exists(directory)) |
| self.os.rmdir(directory) |
| self.assertFalse(self.os.path.exists(directory)) |
| self.create_dir(sub_dir) |
| self.create_dir(other_dir) |
| self.os.chdir(sub_dir) |
| self.os.rmdir('../CDEED') |
| self.assertFalse(self.os.path.exists(other_dir)) |
| self.os.chdir('..') |
| self.os.rmdir('AbcCd') |
| self.assertFalse(self.os.path.exists(sub_dir)) |
| |
| def test_rmdir_via_symlink(self): |
| self.check_windows_only() |
| self.skip_if_symlink_not_supported() |
| base_path = self.make_path('foo', 'bar') |
| dir_path = self.os.path.join(base_path, 'alpha') |
| self.create_dir(dir_path) |
| link_path = self.os.path.join(base_path, 'beta') |
| self.os.symlink(base_path, link_path) |
| self.os.rmdir(link_path + '/Alpha') |
| self.assertFalse(self.os.path.exists(dir_path)) |
| |
| def test_remove_dirs_with_non_top_symlink_succeeds(self): |
| self.check_posix_only() |
| dir_path = self.make_path('dir') |
| dir_link = self.make_path('dir_link') |
| self.create_dir(dir_path) |
| self.os.symlink(dir_path, dir_link) |
| dir_in_dir = self.os.path.join(dir_link, 'dir2') |
| self.create_dir(dir_in_dir) |
| self.os.removedirs(dir_in_dir.upper()) |
| self.assertFalse(self.os.path.exists(dir_in_dir)) |
| # ensure that the symlink is not removed |
| self.assertTrue(self.os.path.exists(dir_link)) |
| |
| def test_mkdir_raises_on_symlink_in_posix(self): |
| self.check_posix_only() |
| base_path = self.make_path('foo', 'bar') |
| link_path = self.os.path.join(base_path, 'link_to_dir') |
| dir_path = self.os.path.join(base_path, 'dir') |
| self.create_dir(dir_path) |
| self.os.symlink(dir_path.upper(), link_path.upper()) |
| self.assert_raises_os_error(errno.ENOTDIR, self.os.rmdir, link_path) |
| |
| def test_mkdir_removes_symlink_in_windows(self): |
| self.check_windows_only() |
| self.skip_if_symlink_not_supported() |
| base_path = self.make_path('foo', 'bar') |
| link_path = self.os.path.join(base_path, 'link_to_dir') |
| dir_path = self.os.path.join(base_path, 'dir') |
| self.create_dir(dir_path) |
| self.os.symlink(dir_path.upper(), link_path.upper()) |
| self.os.rmdir(link_path) |
| self.assertFalse(self.os.path.exists(link_path)) |
| self.assertTrue(self.os.path.exists(dir_path)) |
| |
| def test_mkdir_raises_if_directory_exists(self): |
| """mkdir raises exception if directory already exists.""" |
| directory = self.make_path('xyzzy') |
| self.create_dir(directory) |
| self.assertTrue(self.os.path.exists(directory)) |
| self.assert_raises_os_error(errno.EEXIST, |
| self.os.mkdir, directory.upper()) |
| |
| def test_mkdir_raises_if_file_exists(self): |
| """mkdir raises exception if name already exists as a file.""" |
| directory = self.make_path('xyzzy') |
| file_path = self.os.path.join(directory, 'plugh') |
| self.create_file(file_path) |
| self.assertTrue(self.os.path.exists(file_path)) |
| self.assert_raises_os_error(errno.EEXIST, |
| self.os.mkdir, file_path.upper()) |
| |
| def test_mkdir_raises_if_symlink_exists(self): |
| # Regression test for #309 |
| self.skip_if_symlink_not_supported() |
| path1 = self.make_path('baz') |
| self.os.symlink(path1, path1) |
| path2 = self.make_path('Baz') |
| self.assert_raises_os_error(errno.EEXIST, self.os.mkdir, path2) |
| |
| def check_mkdir_raises_if_parent_is_file(self, error_type): |
| """mkdir raises exception if name already exists as a file.""" |
| directory = self.make_path('xyzzy') |
| file_path = self.os.path.join(directory, 'plugh') |
| self.create_file(file_path) |
| self.assert_raises_os_error(error_type, self.os.mkdir, |
| self.os.path.join(file_path.upper(), |
| 'ff')) |
| |
| def test_mkdir_raises_if_parent_is_file_posix(self): |
| self.check_posix_only() |
| self.check_mkdir_raises_if_parent_is_file(errno.ENOTDIR) |
| |
| def test_mkdir_raises_if_parent_is_file_windows(self): |
| self.check_windows_only() |
| self.check_mkdir_raises_if_parent_is_file(errno.ENOENT) |
| |
| def test_makedirs(self): |
| """makedirs can create a directory even if parent does not exist.""" |
| parent = self.make_path('xyzzy') |
| directory = self.os.path.join(parent, 'foo') |
| self.assertFalse(self.os.path.exists(parent)) |
| self.os.makedirs(directory.upper()) |
| self.assertTrue(self.os.path.exists(directory)) |
| |
| def check_makedirs_raises_if_parent_is_file(self, error_type): |
| """makedirs raises exception if a parent component exists as a file.""" |
| file_path = self.make_path('xyzzy') |
| directory = self.os.path.join(file_path, 'plugh') |
| self.create_file(file_path) |
| self.assertTrue(self.os.path.exists(file_path)) |
| self.assert_raises_os_error(error_type, self.os.makedirs, |
| directory.upper()) |
| |
| def test_makedirs_raises_if_parent_is_file_posix(self): |
| self.check_posix_only() |
| self.check_makedirs_raises_if_parent_is_file(errno.ENOTDIR) |
| |
| def test_makedirs_raises_if_parent_is_file_windows(self): |
| self.check_windows_only() |
| self.check_makedirs_raises_if_parent_is_file(errno.ENOENT) |
| |
| def test_makedirs_raises_if_parent_is_broken_link(self): |
| self.check_posix_only() |
| link_path = self.make_path('broken_link') |
| self.os.symlink(self.make_path('bogus'), link_path) |
| self.assert_raises_os_error(errno.ENOENT, self.os.makedirs, |
| self.os.path.join(link_path.upper(), |
| 'newdir')) |
| |
| @unittest.skipIf(sys.version_info < (3, 2), |
| 'os.makedirs(exist_ok) argument new in version 3.2') |
| def test_makedirs_exist_ok(self): |
| """makedirs uses the exist_ok argument""" |
| directory = self.make_path('xyzzy', 'foo') |
| self.create_dir(directory) |
| self.assertTrue(self.os.path.exists(directory)) |
| |
| self.assert_raises_os_error(errno.EEXIST, self.os.makedirs, |
| directory.upper()) |
| self.os.makedirs(directory.upper(), exist_ok=True) |
| self.assertTrue(self.os.path.exists(directory)) |
| |
| # test fsync and fdatasync |
| def test_fsync_pass(self): |
| test_file_path = self.make_path('test_file') |
| self.create_file(test_file_path, contents='dummy file contents') |
| test_file = self.open(test_file_path.upper(), 'r+') |
| test_fd = test_file.fileno() |
| # Test that this doesn't raise anything |
| self.os.fsync(test_fd) |
| # And just for sanity, double-check that this still raises |
| self.assert_raises_os_error(errno.EBADF, self.os.fsync, test_fd + 10) |
| |
| def test_chmod(self): |
| # set up |
| self.check_posix_only() |
| self.skip_real_fs() |
| path = self.make_path('some_file') |
| self.createTestFile(path) |
| # actual tests |
| self.os.chmod(path.upper(), 0o6543) |
| st = self.os.stat(path) |
| self.assert_mode_equal(0o6543, st.st_mode) |
| self.assertTrue(st.st_mode & stat.S_IFREG) |
| self.assertFalse(st.st_mode & stat.S_IFDIR) |
| |
| def test_symlink(self): |
| self.skip_if_symlink_not_supported() |
| file_path = self.make_path('foo', 'bar', 'baz') |
| self.create_dir(self.make_path('foo', 'bar')) |
| self.os.symlink('bogus', file_path.upper()) |
| self.assertTrue(self.os.path.lexists(file_path)) |
| self.assertFalse(self.os.path.exists(file_path)) |
| self.create_file(self.make_path('Foo', 'Bar', 'Bogus')) |
| self.assertTrue(self.os.path.lexists(file_path)) |
| self.assertTrue(self.os.path.exists(file_path)) |
| |
| # hard link related tests |
| def test_link_delete(self): |
| self.skip_if_symlink_not_supported() |
| |
| file1_path = self.make_path('test_file1') |
| file2_path = self.make_path('test_file2') |
| contents1 = 'abcdef' |
| # Create file |
| self.create_file(file1_path, contents=contents1) |
| # link to second file |
| self.os.link(file1_path.upper(), file2_path) |
| # delete first file |
| self.os.unlink(file1_path) |
| # assert that second file exists, and its contents are the same |
| self.assertTrue(self.os.path.exists(file2_path)) |
| with self.open(file2_path.upper()) as f: |
| self.assertEqual(f.read(), contents1) |
| |
| def test_link_is_existing_file(self): |
| self.skip_if_symlink_not_supported() |
| file_path = self.make_path('foo', 'bar') |
| self.create_file(file_path) |
| self.assert_raises_os_error(errno.EEXIST, self.os.link, |
| file_path.upper(), file_path.upper()) |
| |
| def test_link_is_broken_symlink(self): |
| # Regression test for #311 |
| self.skip_if_symlink_not_supported() |
| self.check_case_insensitive_fs() |
| file_path = self.make_path('baz') |
| self.create_file(file_path) |
| path_lower = self.make_path('foo') |
| self.os.symlink(path_lower, path_lower) |
| path_upper = self.make_path('Foo') |
| self.assert_raises_os_error(errno.EEXIST, |
| self.os.link, file_path, path_upper) |
| |
| def test_link_with_changed_case(self): |
| # Regression test for #312 |
| self.skip_if_symlink_not_supported() |
| self.check_case_insensitive_fs() |
| link_path = self.make_path('link') |
| self.os.symlink(self.base_path, link_path) |
| link_path = self.os.path.join(link_path, 'Link') |
| self.assertTrue(self.os.lstat(link_path)) |
| |
| |
| class RealOsModuleTestCaseInsensitiveFS(FakeOsModuleTestCaseInsensitiveFS): |
| def use_real_fs(self): |
| return True |
| |
| |
| class FakeOsModuleTimeTest(FakeOsModuleTestBase): |
| def setUp(self): |
| super(FakeOsModuleTimeTest, self).setUp() |
| self.orig_time = time.time |
| self.dummy_time = None |
| self.setDummyTime(200) |
| |
| def tearDown(self): |
| time.time = self.orig_time |
| super(FakeOsModuleTimeTest, self).tearDown() |
| |
| def setDummyTime(self, start): |
| self.dummy_time = DummyTime(start, 20) |
| time.time = self.dummy_time |
| |
| def test_chmod_st_ctime(self): |
| # set up |
| file_path = 'some_file' |
| self.filesystem.create_file(file_path) |
| self.assertTrue(self.os.path.exists(file_path)) |
| self.dummy_time.start() |
| |
| st = self.os.stat(file_path) |
| self.assertEqual(200, st.st_ctime) |
| # tests |
| self.os.chmod(file_path, 0o765) |
| st = self.os.stat(file_path) |
| self.assertEqual(220, st.st_ctime) |
| |
| def test_utime_sets_current_time_if_args_is_none(self): |
| # set up |
| path = self.make_path('some_file') |
| self.createTestFile(path) |
| self.dummy_time.start() |
| |
| st = self.os.stat(path) |
| # 200 is the current time established in setUp(). |
| self.assertEqual(200, st.st_atime) |
| self.assertEqual(200, st.st_mtime) |
| # actual tests |
| self.os.utime(path, None) |
| st = self.os.stat(path) |
| self.assertEqual(220, st.st_atime) |
| self.assertEqual(220, st.st_mtime) |
| |
| def test_utime_sets_current_time_if_args_is_none_with_floats(self): |
| # set up |
| # we set os.stat_float_times() to False, so atime/ctime/mtime |
| # are converted as ints (seconds since epoch) |
| self.setDummyTime(200.9123) |
| path = '/some_file' |
| fake_filesystem.FakeOsModule.stat_float_times(False) |
| self.createTestFile(path) |
| self.dummy_time.start() |
| |
| st = self.os.stat(path) |
| # 200 is the current time established above (if converted to int). |
| self.assertEqual(200, st.st_atime) |
| self.assertTrue(isinstance(st.st_atime, int)) |
| self.assertEqual(200, st.st_mtime) |
| self.assertTrue(isinstance(st.st_mtime, int)) |
| |
| if sys.version_info >= (3, 3): |
| self.assertEqual(200912300000, st.st_atime_ns) |
| self.assertEqual(200912300000, st.st_mtime_ns) |
| |
| self.assertEqual(200, st.st_mtime) |
| # actual tests |
| self.os.utime(path, None) |
| st = self.os.stat(path) |
| self.assertEqual(220, st.st_atime) |
| self.assertTrue(isinstance(st.st_atime, int)) |
| self.assertEqual(220, st.st_mtime) |
| self.assertTrue(isinstance(st.st_mtime, int)) |
| if sys.version_info >= (3, 3): |
| self.assertEqual(220912300000, st.st_atime_ns) |
| self.assertEqual(220912300000, st.st_mtime_ns) |
| |
| def test_utime_sets_current_time_if_args_is_none_with_floats_n_sec(self): |
| fake_filesystem.FakeOsModule.stat_float_times(False) |
| |
| self.setDummyTime(200.9123) |
| path = self.make_path('some_file') |
| self.createTestFile(path) |
| test_file = self.filesystem.get_object(path) |
| |
| self.dummy_time.start() |
| st = self.os.stat(path) |
| self.assertEqual(200, st.st_ctime) |
| self.assertEqual(200, test_file.st_ctime) |
| self.assertTrue(isinstance(st.st_ctime, int)) |
| self.assertTrue(isinstance(test_file.st_ctime, int)) |
| |
| self.os.stat_float_times(True) # first time float time |
| self.assertEqual(200, st.st_ctime) # st does not change |
| self.assertEqual(200.9123, test_file.st_ctime) # but the file does |
| self.assertTrue(isinstance(st.st_ctime, int)) |
| self.assertTrue(isinstance(test_file.st_ctime, float)) |
| |
| self.os.stat_float_times(False) # reverting to int |
| self.assertEqual(200, test_file.st_ctime) |
| self.assertTrue(isinstance(test_file.st_ctime, int)) |
| |
| self.assertEqual(200, st.st_ctime) |
| self.assertTrue(isinstance(st.st_ctime, int)) |
| |
| self.os.stat_float_times(True) |
| st = self.os.stat(path) |
| # 200.9123 not converted to int |
| self.assertEqual(200.9123, test_file.st_atime, test_file.st_mtime) |
| self.assertEqual(200.9123, st.st_atime, st.st_mtime) |
| self.os.utime(path, None) |
| st = self.os.stat(path) |
| self.assertEqual(220.9123, st.st_atime) |
| self.assertEqual(220.9123, st.st_mtime) |
| |
| def test_utime_sets_specified_time(self): |
| # set up |
| path = self.make_path('some_file') |
| self.createTestFile(path) |
| self.os.stat(path) |
| # actual tests |
| self.os.utime(path, (1, 2)) |
| st = self.os.stat(path) |
| self.assertEqual(1, st.st_atime) |
| self.assertEqual(2, st.st_mtime) |
| |
| def test_utime_dir(self): |
| # set up |
| path = '/some_dir' |
| self.createTestDirectory(path) |
| # actual tests |
| self.os.utime(path, (1.0, 2.0)) |
| st = self.os.stat(path) |
| self.assertEqual(1.0, st.st_atime) |
| self.assertEqual(2.0, st.st_mtime) |
| |
| @unittest.skipIf(sys.version_info < (3, 3), |
| 'follow_symlinks new in Python 3.3') |
| def test_utime_follow_symlinks(self): |
| path = self.make_path('some_file') |
| self.createTestFile(path) |
| link_path = '/link_to_some_file' |
| self.filesystem.create_symlink(link_path, path) |
| |
| self.os.utime(link_path, (1, 2)) |
| st = self.os.stat(link_path) |
| self.assertEqual(1, st.st_atime) |
| self.assertEqual(2, st.st_mtime) |
| |
| @unittest.skipIf(sys.version_info < (3, 3), |
| 'follow_symlinks new in Python 3.3') |
| def test_utime_no_follow_symlinks(self): |
| path = self.make_path('some_file') |
| self.createTestFile(path) |
| link_path = '/link_to_some_file' |
| self.filesystem.create_symlink(link_path, path) |
| |
| self.os.utime(link_path, (1, 2), follow_symlinks=False) |
| st = self.os.stat(link_path) |
| self.assertNotEqual(1, st.st_atime) |
| self.assertNotEqual(2, st.st_mtime) |
| st = self.os.stat(link_path, follow_symlinks=False) |
| self.assertEqual(1, st.st_atime) |
| self.assertEqual(2, st.st_mtime) |
| |
| def test_utime_non_existent(self): |
| path = '/non/existent/file' |
| self.assertFalse(self.os.path.exists(path)) |
| self.assert_raises_os_error(errno.ENOENT, self.os.utime, path, (1, 2)) |
| |
| def test_utime_invalid_times_arg_raises(self): |
| path = '/some_dir' |
| self.createTestDirectory(path) |
| |
| # the error message differs with different Python versions |
| # we don't expect the same message here |
| self.assertRaises(TypeError, self.os.utime, path, (1, 2, 3)) |
| self.assertRaises(TypeError, self.os.utime, path, (1, 'str')) |
| |
| @unittest.skipIf(sys.version_info < (3, 3), 'ns new in Python 3.3') |
| def test_utime_sets_specified_time_in_ns(self): |
| # set up |
| path = self.make_path('some_file') |
| self.createTestFile(path) |
| self.dummy_time.start() |
| |
| self.os.stat(path) |
| # actual tests |
| self.os.utime(path, ns=(200000000, 400000000)) |
| st = self.os.stat(path) |
| self.assertEqual(0.2, st.st_atime) |
| self.assertEqual(0.4, st.st_mtime) |
| |
| @unittest.skipIf(sys.version_info < (3, 3), 'ns new in Python 3.3') |
| def test_utime_incorrect_ns_argument_raises(self): |
| file_path = 'some_file' |
| self.filesystem.create_file(file_path) |
| |
| self.assertRaises(TypeError, self.os.utime, file_path, ns=200000000) |
| self.assertRaises(TypeError, self.os.utime, file_path, ns=('a', 'b')) |
| self.assertRaises(ValueError, self.os.utime, file_path, times=(1, 2), |
| ns=(100, 200)) |
| |
| @unittest.skipIf(sys.version_info < (3, 3), |
| 'file descriptor as path new in Python 3.3') |
| def test_utime_uses_open_fd_as_path(self): |
| if os.utime not in os.supports_fd: |
| self.skip_real_fs() |
| self.assert_raises_os_error(errno.EBADF, self.os.utime, 5, (1, 2)) |
| path = self.make_path('some_file') |
| self.createTestFile(path) |
| |
| with FakeFileOpen(self.filesystem)(path) as f: |
| self.os.utime(f.filedes, times=(1, 2)) |
| st = self.os.stat(path) |
| self.assertEqual(1, st.st_atime) |
| self.assertEqual(2, st.st_mtime) |
| |
| |
| class FakeOsModuleLowLevelFileOpTest(FakeOsModuleTestBase): |
| """Test low level functions `os.open()`, `os.read()` and `os.write()`.""" |
| |
| def setUp(self): |
| os.umask(0o022) |
| super(FakeOsModuleLowLevelFileOpTest, self).setUp() |
| |
| def test_open_read_only(self): |
| file_path = self.make_path('file1') |
| self.create_file(file_path, contents=b'contents') |
| |
| file_des = self.os.open(file_path, os.O_RDONLY) |
| self.assertEqual(b'contents', self.os.read(file_des, 8)) |
| self.assert_raises_os_error(errno.EBADF, |
| self.os.write, file_des, b'test') |
| self.os.close(file_des) |
| |
| def test_open_read_only_write_zero_bytes_posix(self): |
| self.check_posix_only() |
| file_path = self.make_path('file1') |
| self.create_file(file_path, contents=b'contents') |
| |
| file_des = self.os.open(file_path, os.O_RDONLY) |
| self.assert_raises_os_error(errno.EBADF, |
| self.os.write, file_des, b'test') |
| self.os.close(file_des) |
| |
| def test_open_read_only_write_zero_bytes_windows(self): |
| # under Windows, writing an empty string to a read only file |
| # is not an error |
| self.check_windows_only() |
| file_path = self.make_path('file1') |
| self.create_file(file_path, contents=b'contents') |
| file_des = self.os.open(file_path, os.O_RDONLY) |
| self.assertEqual(0, self.os.write(file_des, b'')) |
| self.os.close(file_des) |
| |
| def test_open_write_only(self): |
| file_path = self.make_path('file1') |
| self.create_file(file_path, contents=b'contents') |
| |
| file_des = self.os.open(file_path, os.O_WRONLY) |
| self.assertEqual(4, self.os.write(file_des, b'test')) |
| self.check_contents(file_path, b'testents') |
| self.os.close(file_des) |
| |
| def test_open_write_only_raises_on_read(self): |
| file_path = self.make_path('file1') |
| self.create_file(file_path, contents=b'contents') |
| |
| file_des = self.os.open(file_path, os.O_WRONLY) |
| self.assert_raises_os_error(errno.EBADF, self.os.read, file_des, 5) |
| self.os.close(file_des) |
| file_des = self.os.open(file_path, os.O_WRONLY | os.O_TRUNC) |
| self.assert_raises_os_error(errno.EBADF, self.os.read, file_des, 5) |
| self.os.close(file_des) |
| file_path2 = self.make_path('file2') |
| file_des = self.os.open(file_path2, os.O_CREAT | os.O_WRONLY) |
| self.assert_raises_os_error(errno.EBADF, self.os.read, file_des, 5) |
| self.os.close(file_des) |
| file_des = self.os.open(file_path2, |
| os.O_CREAT | os.O_WRONLY | os.O_TRUNC) |
| self.assert_raises_os_error(errno.EBADF, self.os.read, file_des, 5) |
| self.os.close(file_des) |
| |
| def test_open_write_only_read_zero_bytes_posix(self): |
| self.check_posix_only() |
| file_path = self.make_path('file1') |
| file_des = self.os.open(file_path, os.O_CREAT | os.O_WRONLY) |
| self.assert_raises_os_error(errno.EBADF, self.os.read, file_des, 0) |
| self.os.close(file_des) |
| |
| def test_open_write_only_read_zero_bytes_windows(self): |
| # under Windows, reading 0 bytes from a write only file is not an error |
| self.check_windows_only() |
| file_path = self.make_path('file1') |
| file_des = self.os.open(file_path, os.O_CREAT | os.O_WRONLY) |
| self.assertEqual(b'', self.os.read(file_des, 0)) |
| self.os.close(file_des) |
| |
| def test_open_read_write(self): |
| file_path = self.make_path('file1') |
| self.create_file(file_path, contents=b'contents') |
| |
| file_des = self.os.open(file_path, os.O_RDWR) |
| self.assertEqual(4, self.os.write(file_des, b'test')) |
| self.check_contents(file_path, b'testents') |
| self.os.close(file_des) |
| |
| def test_open_create_is_read_only(self): |
| file_path = self.make_path('file1') |
| file_des = self.os.open(file_path, os.O_CREAT) |
| self.assertEqual(b'', self.os.read(file_des, 1)) |
| self.assert_raises_os_error(errno.EBADF, |
| self.os.write, file_des, b'foo') |
| self.os.close(file_des) |
| |
| def test_open_create_truncate_is_read_only(self): |
| file_path = self.make_path('file1') |
| file_des = self.os.open(file_path, os.O_CREAT | os.O_TRUNC) |
| self.assertEqual(b'', self.os.read(file_des, 1)) |
| self.assert_raises_os_error(errno.EBADF, |
| self.os.write, file_des, b'foo') |
| self.os.close(file_des) |
| |
| def test_open_raises_if_does_not_exist(self): |
| file_path = self.make_path('file1') |
| self.assert_raises_os_error(errno.ENOENT, self.os.open, file_path, |
| os.O_RDONLY) |
| self.assert_raises_os_error(errno.ENOENT, self.os.open, file_path, |
| os.O_WRONLY) |
| self.assert_raises_os_error(errno.ENOENT, self.os.open, file_path, |
| os.O_RDWR) |
| |
| def test_exclusive_open_raises_without_create_mode(self): |
| self.skip_real_fs() |
| file_path = self.make_path('file1') |
| self.assertRaises(NotImplementedError, self.os.open, file_path, |
| os.O_EXCL) |
| self.assertRaises(NotImplementedError, self.os.open, file_path, |
| os.O_EXCL | os.O_WRONLY) |
| self.assertRaises(NotImplementedError, self.os.open, file_path, |
| os.O_EXCL | os.O_RDWR) |
| self.assertRaises(NotImplementedError, self.os.open, file_path, |
| os.O_EXCL | os.O_TRUNC | os.O_APPEND) |
| |
| def test_open_raises_if_parent_does_not_exist(self): |
| path = self.make_path('alpha', 'alpha') |
| self.assert_raises_os_error(errno.ENOENT, self.os.open, path, |
| os.O_CREAT | os.O_WRONLY | os.O_TRUNC) |
| |
| def test_open_truncate(self): |
| file_path = self.make_path('file1') |
| self.create_file(file_path, contents=b'contents') |
| |
| file_des = self.os.open(file_path, os.O_RDWR | os.O_TRUNC) |
| self.assertEqual(b'', self.os.read(file_des, 8)) |
| self.assertEqual(4, self.os.write(file_des, b'test')) |
| self.check_contents(file_path, b'test') |
| self.os.close(file_des) |
| |
| @unittest.skipIf(not TestCase.is_windows, |
| 'O_TEMPORARY only present in Windows') |
| def test_temp_file(self): |
| file_path = self.make_path('file1') |
| fd = self.os.open(file_path, os.O_CREAT | os.O_RDWR | os.O_TEMPORARY) |
| self.assertTrue(self.os.path.exists(file_path)) |
| self.os.close(fd) |
| self.assertFalse(self.os.path.exists(file_path)) |
| |
| def test_open_append(self): |
| file_path = self.make_path('file1') |
| self.create_file(file_path, contents=b'contents') |
| |
| file_des = self.os.open(file_path, os.O_WRONLY | os.O_APPEND) |
| self.assertEqual(4, self.os.write(file_des, b'test')) |
| self.check_contents(file_path, b'contentstest') |
| self.os.close(file_des) |
| |
| def test_open_create(self): |
| file_path = self.make_path('file1') |
| file_des = self.os.open(file_path, os.O_RDWR | os.O_CREAT) |
| self.assertTrue(self.os.path.exists(file_path)) |
| self.assertEqual(4, self.os.write(file_des, b'test')) |
| self.check_contents(file_path, 'test') |
| self.os.close(file_des) |
| |
| def test_can_read_after_create_exclusive(self): |
| self.check_posix_only() |
| path1 = self.make_path('alpha') |
| file_des = self.os.open(path1, os.O_CREAT | os.O_EXCL) |
| self.assertEqual(b'', self.os.read(file_des, 0)) |
| self.assert_raises_os_error(errno.EBADF, self.os.write, file_des, b'') |
| self.os.close(file_des) |
| |
| def test_open_create_mode_posix(self): |
| self.check_posix_only() |
| file_path = self.make_path('file1') |
| file_des = self.os.open(file_path, os.O_WRONLY | os.O_CREAT, 0o700) |
| self.assertTrue(self.os.path.exists(file_path)) |
| self.assert_raises_os_error(errno.EBADF, self.os.read, file_des, 5) |
| self.assertEqual(4, self.os.write(file_des, b'test')) |
| self.assert_mode_equal(0o700, self.os.stat(file_path).st_mode) |
| self.os.close(file_des) |
| |
| def test_open_create_mode_windows(self): |
| self.check_windows_only() |
| file_path = self.make_path('file1') |
| file_des = self.os.open(file_path, os.O_WRONLY | os.O_CREAT, 0o700) |
| self.assertTrue(self.os.path.exists(file_path)) |
| self.assert_raises_os_error(errno.EBADF, self.os.read, file_des, 5) |
| self.assertEqual(4, self.os.write(file_des, b'test')) |
| self.assert_mode_equal(0o666, self.os.stat(file_path).st_mode) |
| self.os.close(file_des) |
| |
| def testOpenCreateMode444Windows(self): |
| self.check_windows_only() |
| file_path = self.make_path('file1') |
| file_des = self.os.open(file_path, os.O_WRONLY | os.O_CREAT, 0o442) |
| self.assert_mode_equal(0o444, self.os.stat(file_path).st_mode) |
| self.os.close(file_des) |
| |
| def testOpenCreateMode666Windows(self): |
| self.check_windows_only() |
| file_path = self.make_path('file1') |
| file_des = self.os.open(file_path, os.O_WRONLY | os.O_CREAT, 0o224) |
| self.assert_mode_equal(0o666, self.os.stat(file_path).st_mode) |
| self.os.close(file_des) |
| |
| @unittest.skipIf(sys.version_info < (3, 3), |
| 'Exclusive mode new in Python 3.3') |
| def test_open_exclusive(self): |
| file_path = self.make_path('file1') |
| file_des = self.os.open(file_path, os.O_RDWR | os.O_EXCL | os.O_CREAT) |
| self.assertTrue(self.os.path.exists(file_path)) |
| self.os.close(file_des) |
| |
| @unittest.skipIf(sys.version_info < (3, 3), |
| 'Exclusive mode new in Python 3.3') |
| def test_open_exclusive_raises_if_file_exists(self): |
| file_path = self.make_path('file1') |
| self.create_file(file_path, contents=b'contents') |
| self.assert_raises_io_error(errno.EEXIST, self.os.open, file_path, |
| os.O_RDWR | os.O_EXCL | os.O_CREAT) |
| self.assert_raises_io_error(errno.EEXIST, self.os.open, file_path, |
| os.O_RDWR | os.O_EXCL | os.O_CREAT) |
| |
| @unittest.skipIf(sys.version_info < (3, 3), |
| 'Exclusive mode new in Python 3.3') |
| def test_open_exclusive_raises_if_symlink_exists_in_posix(self): |
| self.check_posix_only() |
| link_path = self.make_path('link') |
| link_target = self.make_path('link_target') |
| self.os.symlink(link_target, link_path) |
| self.assert_raises_os_error( |
| errno.EEXIST, self.os.open, link_path, |
| os.O_CREAT | os.O_WRONLY | os.O_TRUNC | os.O_EXCL) |
| |
| @unittest.skipIf(sys.version_info < (3, 3), |
| 'Exclusive mode new in Python 3.3') |
| def test_open_exclusive_if_symlink_exists_works_in_windows(self): |
| self.check_windows_only() |
| self.skip_if_symlink_not_supported() |
| link_path = self.make_path('link') |
| link_target = self.make_path('link_target') |
| self.os.symlink(link_target, link_path) |
| fd = self.os.open(link_path, |
| os.O_CREAT | os.O_WRONLY | os.O_TRUNC | os.O_EXCL) |
| self.os.close(fd) |
| |
| def test_open_directory_raises_under_windows(self): |
| self.check_windows_only() |
| dir_path = self.make_path('dir') |
| self.create_dir(dir_path) |
| self.assert_raises_os_error(errno.EACCES, self.os.open, dir_path, |
| os.O_RDONLY) |
| self.assert_raises_os_error(errno.EACCES, self.os.open, dir_path, |
| os.O_WRONLY) |
| self.assert_raises_os_error(errno.EACCES, self.os.open, dir_path, |
| os.O_RDWR) |
| |
| def test_open_directory_for_writing_raises_under_posix(self): |
| self.check_posix_only() |
| dir_path = self.make_path('dir') |
| self.create_dir(dir_path) |
| self.assert_raises_os_error(errno.EISDIR, self.os.open, dir_path, |
| os.O_WRONLY) |
| self.assert_raises_os_error(errno.EISDIR, self.os.open, dir_path, |
| os.O_RDWR) |
| |
| def test_open_directory_read_only_under_posix(self): |
| self.check_posix_only() |
| self.skip_real_fs() |
| dir_path = self.make_path('dir') |
| self.create_dir(dir_path) |
| file_des = self.os.open(dir_path, os.O_RDONLY) |
| self.assertEqual(3, file_des) |
| |
| def test_opening_existing_directory_in_creation_mode(self): |
| self.check_linux_only() |
| dir_path = self.make_path("alpha") |
| self.os.mkdir(dir_path) |
| self.assert_raises_os_error(errno.EISDIR, |
| self.os.open, dir_path, os.O_CREAT) |
| |
| def test_writing_to_existing_directory(self): |
| self.check_macos_only() |
| dir_path = self.make_path("alpha") |
| self.os.mkdir(dir_path) |
| fd = self.os.open(dir_path, os.O_CREAT) |
| self.assert_raises_os_error(errno.EBADF, self.os.write, fd, b'') |
| |
| def test_opening_existing_directory_in_write_mode(self): |
| self.check_posix_only() |
| dir_path = self.make_path("alpha") |
| self.os.mkdir(dir_path) |
| self.assert_raises_os_error(errno.EISDIR, |
| self.os.open, dir_path, os.O_WRONLY) |
| |
| def test_open_mode_posix(self): |
| self.check_posix_only() |
| self.skip_real_fs() |
| file_path = self.make_path('baz') |
| file_des = self.os.open(file_path, |
| os.O_CREAT | os.O_WRONLY | os.O_TRUNC) |
| stat0 = self.os.fstat(file_des) |
| # not a really good test as this replicates the code, |
| # but we don't know the umask at the test system |
| self.assertEqual(0o100777 & ~self.os._umask(), stat0.st_mode) |
| self.os.close(file_des) |
| |
| def test_open_mode_windows(self): |
| self.check_windows_only() |
| file_path = self.make_path('baz') |
| file_des = self.os.open(file_path, |
| os.O_CREAT | os.O_WRONLY | os.O_TRUNC) |
| stat0 = self.os.fstat(file_des) |
| self.assertEqual(0o100666, stat0.st_mode) |
| self.os.close(file_des) |
| |
| def test_write_read(self): |
| file_path = self.make_path('file1') |
| self.create_file(file_path, contents=b'orig contents') |
| new_contents = b'1234567890abcdef' |
| |
| with self.open(file_path, 'wb') as fh: |
| fileno = fh.fileno() |
| self.assertEqual(len(new_contents), |
| self.os.write(fileno, new_contents)) |
| self.check_contents(file_path, new_contents) |
| |
| with self.open(file_path, 'rb') as fh: |
| fileno = fh.fileno() |
| self.assertEqual(b'', self.os.read(fileno, 0)) |
| self.assertEqual(new_contents[0:2], self.os.read(fileno, 2)) |
| self.assertEqual(new_contents[2:10], self.os.read(fileno, 8)) |
| self.assertEqual(new_contents[10:], self.os.read(fileno, 100)) |
| self.assertEqual(b'', self.os.read(fileno, 10)) |
| |
| self.assert_raises_os_error(errno.EBADF, self.os.write, fileno, |
| new_contents) |
| self.assert_raises_os_error(errno.EBADF, self.os.read, fileno, 10) |
| |
| def test_write_from_different_f_ds(self): |
| # Regression test for #211 |
| file_path = self.make_path('baz') |
| fd0 = self.os.open(file_path, os.O_CREAT | os.O_WRONLY | os.O_TRUNC) |
| fd1 = self.os.open(file_path, os.O_CREAT | os.O_WRONLY | os.O_TRUNC) |
| self.os.write(fd0, b'aaaa') |
| self.os.write(fd1, b'bb') |
| self.assertEqual(4, self.os.path.getsize(file_path)) |
| self.check_contents(file_path, b'bbaa') |
| self.os.close(fd1) |
| self.os.close(fd0) |
| |
| def test_write_from_different_fds_with_append(self): |
| # Regression test for #268 |
| file_path = self.make_path('baz') |
| fd0 = self.os.open(file_path, os.O_CREAT | os.O_WRONLY | os.O_TRUNC) |
| fd1 = self.os.open(file_path, os.O_WRONLY | os.O_APPEND) |
| self.os.write(fd0, b'aaa') |
| self.os.write(fd1, b'bbb') |
| self.assertEqual(6, self.os.path.getsize(file_path)) |
| self.check_contents(file_path, b'aaabbb') |
| self.os.close(fd1) |
| self.os.close(fd0) |
| |
| def test_read_only_read_after_write(self): |
| # Regression test for #269 |
| self.check_posix_only() |
| file_path = self.make_path('foo', 'bar', 'baz') |
| self.create_file(file_path, contents=b'test') |
| fd0 = self.os.open(file_path, os.O_CREAT) |
| fd1 = self.os.open(file_path, os.O_CREAT | os.O_WRONLY | os.O_TRUNC) |
| self.assertEqual(b'', self.os.read(fd0, 0)) |
| self.os.close(fd1) |
| self.os.close(fd0) |
| |
| def test_read_after_closing_write_descriptor(self): |
| # Regression test for #271 |
| file_path = self.make_path('baz') |
| fd0 = self.os.open(file_path, os.O_CREAT | os.O_WRONLY | os.O_TRUNC) |
| fd1 = self.os.open(file_path, os.O_CREAT | os.O_WRONLY | os.O_TRUNC) |
| fd2 = self.os.open(file_path, os.O_CREAT) |
| self.os.write(fd1, b'abc') |
| self.os.close(fd0) |
| self.assertEqual(b'abc', self.os.read(fd2, 3)) |
| self.os.close(fd2) |
| self.os.close(fd1) |
| |
| def test_writing_behind_end_of_file(self): |
| # Regression test for #273 |
| file_path = self.make_path('baz') |
| fd1 = self.os.open(file_path, os.O_CREAT) |
| fd2 = self.os.open(file_path, os.O_RDWR) |
| self.os.write(fd2, b'm') |
| fd3 = self.os.open(file_path, os.O_CREAT | os.O_WRONLY | os.O_TRUNC) |
| self.assertEqual(b'', self.os.read(fd2, 1)) |
| self.os.write(fd2, b'm') |
| self.assertEqual(b'\x00m', self.os.read(fd1, 2)) |
| self.os.close(fd1) |
| self.os.close(fd2) |
| self.os.close(fd3) |
| |
| |
| class RealOsModuleLowLevelFileOpTest(FakeOsModuleLowLevelFileOpTest): |
| def use_real_fs(self): |
| return True |
| |
| |
| class FakeOsModuleWalkTest(FakeOsModuleTestBase): |
| def assertWalkResults(self, expected, top, topdown=True, |
| followlinks=False): |
| # as the result of walk is unsorted, we have to check against |
| # sorted results |
| result = [step for step in self.os.walk( |
| top, topdown=topdown, followlinks=followlinks)] |
| result = sorted(result, key=lambda lst: lst[0]) |
| expected = sorted(expected, key=lambda lst: lst[0]) |
| self.assertEqual(len(expected), len(result)) |
| for entry, expected_entry in zip(result, expected): |
| self.assertEqual(expected_entry[0], entry[0]) |
| self.assertEqual(expected_entry[1], sorted(entry[1])) |
| self.assertEqual(expected_entry[2], sorted(entry[2])) |
| |
| def ResetErrno(self): |
| """Reset the last seen errno.""" |
| self.last_errno = False |
| |
| def StoreErrno(self, os_error): |
| """Store the last errno we saw.""" |
| self.last_errno = os_error.errno |
| |
| def GetErrno(self): |
| """Return the last errno we saw.""" |
| return self.last_errno |
| |
| def test_walk_top_down(self): |
| """Walk down ordering is correct.""" |
| base_dir = self.make_path('foo') |
| self.create_file(self.os.path.join(base_dir, '1.txt')) |
| self.create_file(self.os.path.join(base_dir, 'bar1', '2.txt')) |
| self.create_file(self.os.path.join(base_dir, 'bar1', 'baz', '3.txt')) |
| self.create_file(self.os.path.join(base_dir, 'bar2', '4.txt')) |
| expected = [ |
| (base_dir, ['bar1', 'bar2'], ['1.txt']), |
| (self.os.path.join(base_dir, 'bar1'), ['baz'], ['2.txt']), |
| (self.os.path.join(base_dir, 'bar1', 'baz'), [], ['3.txt']), |
| (self.os.path.join(base_dir, 'bar2'), [], ['4.txt']), |
| ] |
| self.assertWalkResults(expected, base_dir) |
| |
| def test_walk_bottom_up(self): |
| """Walk up ordering is correct.""" |
| base_dir = self.make_path('foo') |
| self.create_file(self.os.path.join(base_dir, 'bar1', 'baz', '1.txt')) |
| self.create_file(self.os.path.join(base_dir, 'bar1', '2.txt')) |
| self.create_file(self.os.path.join(base_dir, 'bar2', '3.txt')) |
| self.create_file(self.os.path.join(base_dir, '4.txt')) |
| |
| expected = [ |
| (self.os.path.join(base_dir, 'bar1', 'baz'), [], ['1.txt']), |
| (self.os.path.join(base_dir, 'bar1'), ['baz'], ['2.txt']), |
| (self.os.path.join(base_dir, 'bar2'), [], ['3.txt']), |
| (base_dir, ['bar1', 'bar2'], ['4.txt']), |
| ] |
| self.assertWalkResults(expected, self.make_path('foo'), topdown=False) |
| |
| def test_walk_raises_if_non_existent(self): |
| """Raises an exception when attempting to walk |
| non-existent directory.""" |
| directory = self.make_path('foo', 'bar') |
| self.assertEqual(False, self.os.path.exists(directory)) |
| generator = self.os.walk(directory) |
| self.assertRaises(StopIteration, next, generator) |
| |
| def test_walk_raises_if_not_directory(self): |
| """Raises an exception when attempting to walk a non-directory.""" |
| filename = self.make_path('foo', 'bar') |
| self.create_file(filename) |
| generator = self.os.walk(filename) |
| self.assertRaises(StopIteration, next, generator) |
| |
| def test_walk_calls_on_error_if_non_existent(self): |
| """Calls onerror with correct errno when walking |
| non-existent directory.""" |
| self.ResetErrno() |
| directory = self.make_path('foo', 'bar') |
| self.assertEqual(False, self.os.path.exists(directory)) |
| # Calling os.walk on a non-existent directory should trigger |
| # a call to the onerror method. |
| # We do not actually care what, if anything, is returned. |
| for _ in self.os.walk(directory, onerror=self.StoreErrno): |
| pass |
| self.assertTrue(self.GetErrno() in (errno.ENOTDIR, errno.ENOENT)) |
| |
| def test_walk_calls_on_error_if_not_directory(self): |
| """Calls onerror with correct errno when walking non-directory.""" |
| self.ResetErrno() |
| filename = self.make_path('foo' 'bar') |
| self.create_file(filename) |
| self.assertEqual(True, self.os.path.exists(filename)) |
| # Calling `os.walk` on a file should trigger a call to the |
| # `onerror` method. |
| # We do not actually care what, if anything, is returned. |
| for _ in self.os.walk(filename, onerror=self.StoreErrno): |
| pass |
| self.assertTrue(self.GetErrno() in (self.not_dir_error(), |
| errno.EACCES)) |
| |
| def test_walk_skips_removed_directories(self): |
| """Caller can modify list of directories to visit while walking.""" |
| root = self.make_path('foo') |
| visit = 'visit' |
| no_visit = 'no_visit' |
| self.create_file(self.os.path.join(root, 'bar')) |
| self.create_file(self.os.path.join(root, visit, '1.txt')) |
| self.create_file(self.os.path.join(root, visit, '2.txt')) |
| self.create_file(self.os.path.join(root, no_visit, '3.txt')) |
| self.create_file(self.os.path.join(root, no_visit, '4.txt')) |
| |
| generator = self.os.walk(self.make_path('foo')) |
| root_contents = next(generator) |
| root_contents[1].remove(no_visit) |
| |
| visited_visit_directory = False |
| |
| for root, _dirs, _files in iter(generator): |
| self.assertEqual(False, root.endswith(self.os.path.sep + no_visit)) |
| if root.endswith(self.os.path.sep + visit): |
| visited_visit_directory = True |
| |
| self.assertEqual(True, visited_visit_directory) |
| |
| def test_walk_followsymlink_disabled(self): |
| self.check_posix_only() |
| base_dir = self.make_path('foo') |
| link_dir = self.make_path('linked') |
| self.create_file(self.os.path.join(link_dir, 'subfile')) |
| self.create_file(self.os.path.join(base_dir, 'bar', 'baz')) |
| self.create_file(self.os.path.join(base_dir, 'bar', 'xyzzy', 'plugh')) |
| self.create_symlink( |
| self.os.path.join(base_dir, 'created_link'), link_dir) |
| |
| expected = [ |
| (base_dir, ['bar', 'created_link'], []), |
| (self.os.path.join(base_dir, 'bar'), ['xyzzy'], ['baz']), |
| (self.os.path.join(base_dir, 'bar', 'xyzzy'), [], ['plugh']), |
| ] |
| self.assertWalkResults(expected, base_dir, followlinks=False) |
| |
| expected = [(self.os.path.join(base_dir, 'created_link'), |
| [], ['subfile'])] |
| self.assertWalkResults(expected, |
| self.os.path.join(base_dir, 'created_link'), |
| followlinks=False) |
| |
| def test_walk_followsymlink_enabled(self): |
| self.check_posix_only() |
| base_dir = self.make_path('foo') |
| link_dir = self.make_path('linked') |
| self.create_file(self.os.path.join(link_dir, 'subfile')) |
| self.create_file(self.os.path.join(base_dir, 'bar', 'baz')) |
| self.create_file(self.os.path.join(base_dir, 'bar', 'xyzzy', 'plugh')) |
| self.create_symlink(self.os.path.join(base_dir, 'created_link'), |
| self.os.path.join(link_dir)) |
| |
| expected = [ |
| (base_dir, ['bar', 'created_link'], []), |
| (self.os.path.join(base_dir, 'bar'), ['xyzzy'], ['baz']), |
| (self.os.path.join(base_dir, 'bar', 'xyzzy'), [], ['plugh']), |
| (self.os.path.join(base_dir, 'created_link'), [], ['subfile']), |
| ] |
| self.assertWalkResults(expected, base_dir, followlinks=True) |
| |
| expected = [(self.os.path.join(base_dir, 'created_link'), |
| [], ['subfile'])] |
| self.assertWalkResults(expected, |
| self.os.path.join(base_dir, 'created_link'), |
| followlinks=True) |
| |
| |
| class RealOsModuleWalkTest(FakeOsModuleWalkTest): |
| def use_real_fs(self): |
| return True |
| |
| |
| @unittest.skipIf(sys.version_info < (3, 3), |
| 'dir_fd argument was introduced in Python 3.3') |
| class FakeOsModuleDirFdTest(FakeOsModuleTestBase): |
| def setUp(self): |
| super(FakeOsModuleDirFdTest, self).setUp() |
| self.os.supports_dir_fd = set() |
| self.filesystem.is_windows_fs = False |
| self.filesystem.create_dir('/foo/bar') |
| self.dir_fd = self.os.open('/foo', os.O_RDONLY) |
| self.filesystem.create_file('/foo/baz') |
| |
| def test_access(self): |
| self.assertRaises( |
| NotImplementedError, self.os.access, 'baz', self.os.F_OK, |
| dir_fd=self.dir_fd) |
| self.os.supports_dir_fd.add(os.access) |
| self.assertTrue( |
| self.os.access('baz', self.os.F_OK, dir_fd=self.dir_fd)) |
| |
| def test_chmod(self): |
| self.assertRaises( |
| NotImplementedError, self.os.chmod, 'baz', 0o6543, |
| dir_fd=self.dir_fd) |
| self.os.supports_dir_fd.add(os.chmod) |
| self.os.chmod('baz', 0o6543, dir_fd=self.dir_fd) |
| st = self.os.stat('/foo/baz') |
| self.assert_mode_equal(0o6543, st.st_mode) |
| |
| @unittest.skipIf(not hasattr(os, 'chown'), |
| 'chown not on all platforms available') |
| def test_chown(self): |
| self.assertRaises( |
| NotImplementedError, self.os.chown, 'baz', 100, 101, |
| dir_fd=self.dir_fd) |
| self.os.supports_dir_fd.add(os.chown) |
| self.os.chown('baz', 100, 101, dir_fd=self.dir_fd) |
| st = self.os.stat('/foo/baz') |
| self.assertEqual(st[stat.ST_UID], 100) |
| self.assertEqual(st[stat.ST_GID], 101) |
| |
| def test_link(self): |
| self.assertRaises( |
| NotImplementedError, self.os.link, 'baz', '/bat', |
| dir_fd=self.dir_fd) |
| self.os.supports_dir_fd.add(os.link) |
| self.os.link('baz', '/bat', dir_fd=self.dir_fd) |
| self.assertTrue(self.os.path.exists('/bat')) |
| |
| def test_symlink(self): |
| self.assertRaises( |
| NotImplementedError, self.os.symlink, 'baz', '/bat', |
| dir_fd=self.dir_fd) |
| self.os.supports_dir_fd.add(os.symlink) |
| self.os.symlink('baz', '/bat', dir_fd=self.dir_fd) |
| self.assertTrue(self.os.path.exists('/bat')) |
| |
| def test_readlink(self): |
| self.filesystem.create_symlink('/meyer/lemon/pie', '/foo/baz') |
| self.filesystem.create_symlink('/geo/metro', '/meyer') |
| self.assertRaises( |
| NotImplementedError, self.os.readlink, '/geo/metro/lemon/pie', |
| dir_fd=self.dir_fd) |
| self.os.supports_dir_fd.add(os.readlink) |
| self.assertEqual('/foo/baz', self.os.readlink( |
| '/geo/metro/lemon/pie', dir_fd=self.dir_fd)) |
| |
| def test_stat(self): |
| self.assertRaises( |
| NotImplementedError, self.os.stat, 'baz', dir_fd=self.dir_fd) |
| self.os.supports_dir_fd.add(os.stat) |
| st = self.os.stat('baz', dir_fd=self.dir_fd) |
| self.assertEqual(st.st_mode, 0o100666) |
| |
| def test_lstat(self): |
| self.assertRaises( |
| NotImplementedError, self.os.lstat, 'baz', dir_fd=self.dir_fd) |
| self.os.supports_dir_fd.add(os.lstat) |
| st = self.os.lstat('baz', dir_fd=self.dir_fd) |
| self.assertEqual(st.st_mode, 0o100666) |
| |
| def test_mkdir(self): |
| self.assertRaises( |
| NotImplementedError, self.os.mkdir, 'newdir', dir_fd=self.dir_fd) |
| self.os.supports_dir_fd.add(os.mkdir) |
| self.os.mkdir('newdir', dir_fd=self.dir_fd) |
| self.assertTrue(self.os.path.exists('/foo/newdir')) |
| |
| def test_rmdir(self): |
| self.assertRaises( |
| NotImplementedError, self.os.rmdir, 'bar', dir_fd=self.dir_fd) |
| self.os.supports_dir_fd.add(os.rmdir) |
| self.os.rmdir('bar', dir_fd=self.dir_fd) |
| self.assertFalse(self.os.path.exists('/foo/bar')) |
| |
| @unittest.skipIf(not hasattr(os, 'mknod'), |
| 'mknod not on all platforms available') |
| def test_mknod(self): |
| self.assertRaises( |
| NotImplementedError, self.os.mknod, 'newdir', dir_fd=self.dir_fd) |
| self.os.supports_dir_fd.add(os.mknod) |
| self.os.mknod('newdir', dir_fd=self.dir_fd) |
| self.assertTrue(self.os.path.exists('/foo/newdir')) |
| |
| def test_rename(self): |
| self.assertRaises( |
| NotImplementedError, self.os.rename, 'baz', '/foo/batz', |
| dir_fd=self.dir_fd) |
| self.os.supports_dir_fd.add(os.rename) |
| self.os.rename('bar', '/foo/batz', dir_fd=self.dir_fd) |
| self.assertTrue(self.os.path.exists('/foo/batz')) |
| |
| def test_remove(self): |
| self.assertRaises( |
| NotImplementedError, self.os.remove, 'baz', dir_fd=self.dir_fd) |
| self.os.supports_dir_fd.add(os.remove) |
| self.os.remove('baz', dir_fd=self.dir_fd) |
| self.assertFalse(self.os.path.exists('/foo/baz')) |
| |
| def test_unlink(self): |
| self.assertRaises( |
| NotImplementedError, self.os.unlink, 'baz', dir_fd=self.dir_fd) |
| self.os.supports_dir_fd.add(os.unlink) |
| self.os.unlink('baz', dir_fd=self.dir_fd) |
| self.assertFalse(self.os.path.exists('/foo/baz')) |
| |
| def test_utime(self): |
| self.assertRaises( |
| NotImplementedError, self.os.utime, 'baz', (1, 2), |
| dir_fd=self.dir_fd) |
| self.os.supports_dir_fd.add(os.utime) |
| self.os.utime('baz', (1, 2), dir_fd=self.dir_fd) |
| st = self.os.stat('/foo/baz') |
| self.assertEqual(1, st.st_atime) |
| self.assertEqual(2, st.st_mtime) |
| |
| def test_open(self): |
| self.assertRaises( |
| NotImplementedError, self.os.open, 'baz', os.O_RDONLY, |
| dir_fd=self.dir_fd) |
| self.os.supports_dir_fd.add(os.open) |
| fd = self.os.open('baz', os.O_RDONLY, dir_fd=self.dir_fd) |
| self.assertLess(0, fd) |
| |
| |
| class StatPropagationTest(TestCase): |
| def setUp(self): |
| self.filesystem = fake_filesystem.FakeFilesystem(path_separator='/') |
| self.os = fake_filesystem.FakeOsModule(self.filesystem) |
| self.open = fake_filesystem.FakeFileOpen(self.filesystem) |
| |
| def test_file_size_updated_via_close(self): |
| """test that file size gets updated via close().""" |
| file_dir = 'xyzzy' |
| file_path = 'xyzzy/close' |
| content = 'This is a test.' |
| self.os.mkdir(file_dir) |
| fh = self.open(file_path, 'w') |
| self.assertEqual(0, self.os.stat(file_path)[stat.ST_SIZE]) |
| self.assertEqual('', self.filesystem.get_object(file_path).contents) |
| fh.write(content) |
| self.assertEqual(0, self.os.stat(file_path)[stat.ST_SIZE]) |
| self.assertEqual('', self.filesystem.get_object(file_path).contents) |
| fh.close() |
| self.assertEqual(len(content), self.os.stat(file_path)[stat.ST_SIZE]) |
| self.assertEqual(content, |
| self.filesystem.get_object(file_path).contents) |
| |
| def test_file_size_not_reset_after_close(self): |
| file_dir = 'xyzzy' |
| file_path = 'xyzzy/close' |
| self.os.mkdir(file_dir) |
| size = 1234 |
| # The file has size, but no content. When the file is opened for |
| # reading, its size should be preserved. |
| self.filesystem.create_file(file_path, st_size=size) |
| fh = self.open(file_path, 'r') |
| fh.close() |
| self.assertEqual(size, self.open(file_path, 'r').size()) |
| |
| def test_file_size_after_write(self): |
| file_path = 'test_file' |
| original_content = 'abcdef' |
| original_size = len(original_content) |
| self.filesystem.create_file(file_path, contents=original_content) |
| added_content = 'foo bar' |
| expected_size = original_size + len(added_content) |
| fh = self.open(file_path, 'a') |
| fh.write(added_content) |
| self.assertEqual(original_size, fh.size()) |
| fh.close() |
| self.assertEqual(expected_size, self.open(file_path, 'r').size()) |
| |
| def test_large_file_size_after_write(self): |
| file_path = 'test_file' |
| original_content = 'abcdef' |
| original_size = len(original_content) |
| self.filesystem.create_file(file_path, st_size=original_size) |
| added_content = 'foo bar' |
| fh = self.open(file_path, 'a') |
| self.assertRaises(fake_filesystem.FakeLargeFileIoException, |
| lambda: fh.write(added_content)) |
| |
| def test_file_size_updated_via_flush(self): |
| """test that file size gets updated via flush().""" |
| file_dir = 'xyzzy' |
| file_name = 'flush' |
| file_path = self.os.path.join(file_dir, file_name) |
| content = 'This might be a test.' |
| self.os.mkdir(file_dir) |
| fh = self.open(file_path, 'w') |
| self.assertEqual(0, self.os.stat(file_path)[stat.ST_SIZE]) |
| self.assertEqual('', self.filesystem.get_object(file_path).contents) |
| fh.write(content) |
| self.assertEqual(0, self.os.stat(file_path)[stat.ST_SIZE]) |
| self.assertEqual('', self.filesystem.get_object(file_path).contents) |
| fh.flush() |
| self.assertEqual(len(content), self.os.stat(file_path)[stat.ST_SIZE]) |
| self.assertEqual(content, |
| self.filesystem.get_object(file_path).contents) |
| fh.close() |
| self.assertEqual(len(content), self.os.stat(file_path)[stat.ST_SIZE]) |
| self.assertEqual(content, |
| self.filesystem.get_object(file_path).contents) |
| |
| def test_file_size_truncation(self): |
| """test that file size gets updated via open().""" |
| file_dir = 'xyzzy' |
| file_path = 'xyzzy/truncation' |
| content = 'AAA content.' |
| |
| # pre-create file with content |
| self.os.mkdir(file_dir) |
| fh = self.open(file_path, 'w') |
| fh.write(content) |
| fh.close() |
| self.assertEqual(len(content), self.os.stat(file_path)[stat.ST_SIZE]) |
| self.assertEqual(content, |
| self.filesystem.get_object(file_path).contents) |
| |
| # test file truncation |
| fh = self.open(file_path, 'w') |
| self.assertEqual(0, self.os.stat(file_path)[stat.ST_SIZE]) |
| self.assertEqual('', self.filesystem.get_object(file_path).contents) |
| fh.close() |
| |
| |
| @unittest.skipIf(sys.version_info < (3, 5) and not has_scandir, |
| 'os.scandir was introduced in Python 3.5') |
| class FakeScandirTest(FakeOsModuleTestBase): |
| def setUp(self): |
| super(FakeScandirTest, self).setUp() |
| self.supports_symlinks = (not self.is_windows or |
| not self.use_real_fs() and |
| not self.is_python2) |
| |
| if has_scandir: |
| if self.use_real_fs(): |
| from scandir import scandir |
| else: |
| import pyfakefs.fake_scandir |
| |
| def fake_scan_dir(p): |
| return pyfakefs.fake_scandir.scandir(self.filesystem, p) |
| scandir = fake_scan_dir |
| else: |
| scandir = self.os.scandir |
| self.scandir = scandir |
| |
| self.directory = self.make_path('xyzzy', 'plugh') |
| link_dir = self.make_path('linked', 'plugh') |
| self.linked_file_path = self.os.path.join(link_dir, 'file') |
| self.linked_dir_path = self.os.path.join(link_dir, 'dir') |
| |
| self.create_dir(self.linked_dir_path) |
| self.create_file(self.linked_file_path, contents=b'a' * 10) |
| self.dir_path = self.os.path.join(self.directory, 'dir') |
| self.create_dir(self.dir_path) |
| self.file_path = self.os.path.join(self.directory, 'file') |
| self.create_file(self.file_path, contents=b'b' * 50) |
| self.file_link_path = self.os.path.join(self.directory, 'link_file') |
| if self.supports_symlinks: |
| self.create_symlink(self.file_link_path, self.linked_file_path) |
| self.dir_link_path = self.os.path.join(self.directory, 'link_dir') |
| self.create_symlink(self.dir_link_path, self.linked_dir_path) |
| self.dir_entries = [entry for entry in self.scandir(self.directory)] |
| self.dir_entries = sorted(self.dir_entries, |
| key=lambda entry: entry.name) |
| |
| def test_paths(self): |
| sorted_names = ['dir', 'file'] |
| if self.supports_symlinks: |
| sorted_names.extend(['link_dir', 'link_file']) |
| |
| self.assertEqual(len(sorted_names), len(self.dir_entries)) |
| self.assertEqual(sorted_names, |
| [entry.name for entry in self.dir_entries]) |
| |
| self.skip_real_fs() |
| # this one does not work in the real fs - will wait for |
| # final 3.7 release to check into this |
| self.assertEqual(self.dir_path, self.dir_entries[0].path) |
| |
| def test_isfile(self): |
| self.assertFalse(self.dir_entries[0].is_file()) |
| self.assertTrue(self.dir_entries[1].is_file()) |
| if self.supports_symlinks: |
| self.assertFalse(self.dir_entries[2].is_file()) |
| self.assertFalse( |
| self.dir_entries[2].is_file(follow_symlinks=False)) |
| self.assertTrue(self.dir_entries[3].is_file()) |
| self.assertFalse( |
| self.dir_entries[3].is_file(follow_symlinks=False)) |
| |
| def test_isdir(self): |
| self.assertTrue(self.dir_entries[0].is_dir()) |
| self.assertFalse(self.dir_entries[1].is_dir()) |
| if self.supports_symlinks: |
| self.assertTrue(self.dir_entries[2].is_dir()) |
| self.assertFalse(self.dir_entries[2].is_dir(follow_symlinks=False)) |
| self.assertFalse(self.dir_entries[3].is_dir()) |
| self.assertFalse(self.dir_entries[3].is_dir(follow_symlinks=False)) |
| |
| def test_is_link(self): |
| if self.supports_symlinks: |
| self.assertFalse(self.dir_entries[0].is_symlink()) |
| self.assertFalse(self.dir_entries[1].is_symlink()) |
| self.assertTrue(self.dir_entries[2].is_symlink()) |
| self.assertTrue(self.dir_entries[3].is_symlink()) |
| |
| def test_path_links_not_resolved(self): |
| # regression test for #350 |
| self.skip_if_symlink_not_supported() |
| dir_path = self.make_path('A', 'B', 'C') |
| self.os.makedirs(self.os.path.join(dir_path, 'D')) |
| link_path = self.make_path('A', 'C') |
| self.os.symlink(dir_path, link_path) |
| self.assertEqual([self.os.path.join(link_path, 'D')], |
| [f.path for f in self.os.scandir(link_path)]) |
| |
| def test_inode(self): |
| if has_scandir and self.is_windows and self.use_real_fs(): |
| self.skipTest( |
| 'inode seems not to work in scandir module under Windows') |
| self.assertEqual(self.os.stat(self.dir_path).st_ino, |
| self.dir_entries[0].inode()) |
| self.assertEqual(self.os.stat(self.file_path).st_ino, |
| self.dir_entries[1].inode()) |
| if self.supports_symlinks: |
| self.assertEqual(self.os.lstat(self.dir_link_path).st_ino, |
| self.dir_entries[2].inode()) |
| self.assertEqual(self.os.lstat(self.file_link_path).st_ino, |
| self.dir_entries[3].inode()) |
| |
| def check_stat(self, expected_size): |
| self.assertEqual(50, self.dir_entries[1].stat().st_size) |
| self.assertEqual( |
| self.os.stat(self.dir_path).st_ctime, |
| self.dir_entries[0].stat().st_ctime) |
| |
| if self.supports_symlinks: |
| self.assertEqual(10, self.dir_entries[3].stat().st_size) |
| self.assertEqual(expected_size, |
| self.dir_entries[3].stat( |
| follow_symlinks=False).st_size) |
| self.assertEqual( |
| self.os.stat(self.linked_dir_path).st_mtime, |
| self.dir_entries[2].stat().st_mtime) |
| |
| @unittest.skipIf(TestCase.is_windows, 'POSIX specific behavior') |
| def test_stat_posix(self): |
| self.check_stat(len(self.linked_file_path)) |
| |
| @unittest.skipIf(not TestCase.is_windows, 'Windows specific behavior') |
| def test_stat_windows(self): |
| self.check_stat(0) |
| |
| def test_index_access_to_stat_times_returns_int(self): |
| self.assertEqual(self.os.stat(self.dir_path)[stat.ST_CTIME], |
| int(self.dir_entries[0].stat().st_ctime)) |
| if self.supports_symlinks: |
| self.assertEqual(self.os.stat(self.linked_dir_path)[stat.ST_MTIME], |
| int(self.dir_entries[2].stat().st_mtime)) |
| |
| def test_stat_ino_dev(self): |
| if self.supports_symlinks: |
| file_stat = self.os.stat(self.linked_file_path) |
| self.assertEqual(file_stat.st_ino, |
| self.dir_entries[3].stat().st_ino) |
| self.assertEqual(file_stat.st_dev, |
| self.dir_entries[3].stat().st_dev) |
| |
| |
| class RealScandirTest(FakeScandirTest): |
| def use_real_fs(self): |
| return True |
| |
| |
| @unittest.skipIf(sys.version_info < (3, 7) or TestCase.is_windows, |
| 'dir_fd support for os.scandir was introduced in Python 3.7') |
| class FakeScandirFdTest(FakeScandirTest): |
| def setUp(self): |
| super(FakeScandirFdTest, self).setUp() |
| self.dir_fd = self.os.open(self.directory, os.O_RDONLY) |
| self.dir_entries = [entry for entry in self.scandir(self.dir_fd)] |
| self.dir_entries = sorted(self.dir_entries, |
| key=lambda entry: entry.name) |
| |
| def tearDown(self): |
| self.os.close(self.dir_fd) |
| super(FakeScandirFdTest, self).tearDown() |
| |
| |
| class RealScandirFdTest(FakeScandirFdTest): |
| def use_real_fs(self): |
| return True |