| #! /usr/bin/env python |
| # |
| # 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. |
| |
| """Unittest for fake_filesystem module.""" |
| |
| import errno |
| import os |
| import re |
| import stat |
| import sys |
| import time |
| if sys.version_info < (2, 7): |
| import unittest2 as unittest |
| else: |
| import unittest |
| |
| import fake_filesystem |
| |
| |
| def _GetDummyTime(start_time, increment): |
| def _DummyTime(): |
| _DummyTime._curr_time += increment |
| return _DummyTime._curr_time |
| _DummyTime._curr_time = start_time - increment # pylint: disable-msg=W0612 |
| return _DummyTime |
| |
| |
| class TestCase(unittest.TestCase): |
| is_windows = sys.platform.startswith('win') |
| is_cygwin = sys.platform == 'cygwin' |
| |
| def assertModeEqual(self, expected, actual): |
| return self.assertEqual(stat.S_IMODE(expected), stat.S_IMODE(actual)) |
| |
| |
| class FakeDirectoryUnitTest(TestCase): |
| def setUp(self): |
| self.orig_time = time.time |
| time.time = _GetDummyTime(10, 1) |
| self.fake_file = fake_filesystem.FakeFile('foobar', contents='dummy_file') |
| self.fake_dir = fake_filesystem.FakeDirectory('somedir') |
| |
| def tearDown(self): |
| time.time = self.orig_time |
| |
| def testNewFileAndDirectory(self): |
| self.assertTrue(stat.S_IFREG & self.fake_file.st_mode) |
| self.assertTrue(stat.S_IFDIR & self.fake_dir.st_mode) |
| self.assertEqual({}, self.fake_dir.contents) |
| self.assertEqual(10, self.fake_file.st_ctime) |
| |
| def testAddEntry(self): |
| self.fake_dir.AddEntry(self.fake_file) |
| self.assertEqual({'foobar': self.fake_file}, self.fake_dir.contents) |
| |
| def testGetEntry(self): |
| self.fake_dir.AddEntry(self.fake_file) |
| self.assertEqual(self.fake_file, self.fake_dir.GetEntry('foobar')) |
| |
| def testRemoveEntry(self): |
| self.fake_dir.AddEntry(self.fake_file) |
| self.assertEqual(self.fake_file, self.fake_dir.GetEntry('foobar')) |
| self.fake_dir.RemoveEntry('foobar') |
| self.assertRaises(KeyError, self.fake_dir.GetEntry, 'foobar') |
| |
| def testShouldThrowIfSetSizeIsNotInteger(self): |
| self.assertRaises(IOError, self.fake_file.SetSize, 0.1) |
| |
| def testShouldThrowIfSetSizeIsNegative(self): |
| self.assertRaises(IOError, self.fake_file.SetSize, -1) |
| |
| def testProduceEmptyFileIfSetSizeIsZero(self): |
| self.fake_file.SetSize(0) |
| self.assertEqual('', self.fake_file.contents) |
| |
| def testSetsContentEmptyIfSetSizeIsZero(self): |
| self.fake_file.SetSize(0) |
| self.assertEqual('', self.fake_file.contents) |
| |
| def testTruncateFileIfSizeIsSmallerThanCurrentSize(self): |
| self.fake_file.SetSize(6) |
| self.assertEqual('dummy_', self.fake_file.contents) |
| |
| def testLeaveFileUnchangedIfSizeIsEqualToCurrentSize(self): |
| self.fake_file.SetSize(10) |
| self.assertEqual('dummy_file', self.fake_file.contents) |
| |
| def testPadsFileContentWithNullBytesIfSizeIsGreaterThanCurrentSize(self): |
| self.fake_file.SetSize(13) |
| self.assertEqual('dummy_file\0\0\0', self.fake_file.contents) |
| |
| def testSetMTime(self): |
| self.assertEqual(10, self.fake_file.st_mtime) |
| self.fake_file.SetMTime(13) |
| self.assertEqual(13, self.fake_file.st_mtime) |
| self.fake_file.SetMTime(131) |
| self.assertEqual(131, self.fake_file.st_mtime) |
| |
| def testFileInode(self): |
| filesystem = fake_filesystem.FakeFilesystem(path_separator='/') |
| fake_os = fake_filesystem.FakeOsModule(filesystem) |
| file_path = 'some_file1' |
| filesystem.CreateFile(file_path, contents='contents here1', inode=42) |
| self.assertEqual(42, fake_os.stat(file_path)[stat.ST_INO]) |
| |
| file_obj = filesystem.GetObject(file_path) |
| file_obj.SetIno(43) |
| self.assertEqual(43, fake_os.stat(file_path)[stat.ST_INO]) |
| |
| def testDirectoryInode(self): |
| filesystem = fake_filesystem.FakeFilesystem(path_separator='/') |
| fake_os = fake_filesystem.FakeOsModule(filesystem) |
| dirpath = 'testdir' |
| filesystem.CreateDirectory(dirpath, inode=42) |
| self.assertEqual(42, fake_os.stat(dirpath)[stat.ST_INO]) |
| |
| dir_obj = filesystem.GetObject(dirpath) |
| dir_obj.SetIno(43) |
| self.assertEqual(43, fake_os.stat(dirpath)[stat.ST_INO]) |
| |
| |
| class SetLargeFileSizeTest(FakeDirectoryUnitTest): |
| |
| def testShouldThrowIfSizeIsNotInteger(self): |
| self.assertRaises(IOError, self.fake_file.SetLargeFileSize, 0.1) |
| |
| def testShouldThrowIfSizeIsNegative(self): |
| self.assertRaises(IOError, self.fake_file.SetLargeFileSize, -1) |
| |
| def testSetsContentNoneIfSizeIsNonNegativeInteger(self): |
| self.fake_file.SetLargeFileSize(1000000000) |
| self.assertEqual(None, self.fake_file.contents) |
| self.assertEqual(1000000000, self.fake_file.st_size) |
| |
| |
| class NormalizePathTest(TestCase): |
| def setUp(self): |
| self.filesystem = fake_filesystem.FakeFilesystem(path_separator='/') |
| self.root_name = '/' |
| |
| def testEmptyPathShouldGetNormalizedToRootPath(self): |
| self.assertEqual(self.root_name, self.filesystem.NormalizePath('')) |
| |
| def testRootPathRemainsUnchanged(self): |
| self.assertEqual(self.root_name, |
| self.filesystem.NormalizePath(self.root_name)) |
| |
| def testRelativePathForcedToCwd(self): |
| path = 'bar' |
| self.filesystem.cwd = '/foo' |
| self.assertEqual('/foo/bar', self.filesystem.NormalizePath(path)) |
| |
| def testAbsolutePathRemainsUnchanged(self): |
| path = '/foo/bar' |
| self.assertEqual(path, self.filesystem.NormalizePath(path)) |
| |
| def testDottedPathIsNormalized(self): |
| path = '/foo/..' |
| self.assertEqual('/', self.filesystem.NormalizePath(path)) |
| path = 'foo/../bar' |
| self.assertEqual('/bar', self.filesystem.NormalizePath(path)) |
| |
| def testDotPathIsNormalized(self): |
| path = '.' |
| self.assertEqual('/', self.filesystem.NormalizePath(path)) |
| |
| |
| class GetPathComponentsTest(TestCase): |
| def setUp(self): |
| self.filesystem = fake_filesystem.FakeFilesystem(path_separator='/') |
| self.root_name = '/' |
| |
| def testRootPathShouldReturnEmptyList(self): |
| self.assertEqual([], self.filesystem.GetPathComponents(self.root_name)) |
| |
| def testEmptyPathShouldReturnEmptyList(self): |
| self.assertEqual([], self.filesystem.GetPathComponents('')) |
| |
| def testRelativePathWithOneComponentShouldReturnComponent(self): |
| self.assertEqual(['foo'], self.filesystem.GetPathComponents('foo')) |
| |
| def testAbsolutePathWithOneComponentShouldReturnComponent(self): |
| self.assertEqual(['foo'], self.filesystem.GetPathComponents('/foo')) |
| |
| def testTwoLevelRelativePathShouldReturnComponents(self): |
| self.assertEqual(['foo', 'bar'], |
| self.filesystem.GetPathComponents('foo/bar')) |
| |
| def testTwoLevelAbsolutePathShouldReturnComponents(self): |
| self.assertEqual(['foo', 'bar'], |
| self.filesystem.GetPathComponents('/foo/bar')) |
| |
| |
| class FakeFilesystemUnitTest(TestCase): |
| def setUp(self): |
| self.filesystem = fake_filesystem.FakeFilesystem(path_separator='/') |
| self.root_name = '/' |
| self.fake_file = fake_filesystem.FakeFile('foobar') |
| self.fake_child = fake_filesystem.FakeDirectory('foobaz') |
| self.fake_grandchild = fake_filesystem.FakeDirectory('quux') |
| |
| def testNewFilesystem(self): |
| self.assertEqual('/', self.filesystem.path_separator) |
| self.assertTrue(stat.S_IFDIR & self.filesystem.root.st_mode) |
| self.assertEqual(self.root_name, self.filesystem.root.name) |
| self.assertEqual({}, self.filesystem.root.contents) |
| |
| def testNoneRaisesTypeError(self): |
| self.assertRaises(TypeError, self.filesystem.Exists, None) |
| |
| def testEmptyStringDoesNotExist(self): |
| self.assertFalse(self.filesystem.Exists('')) |
| |
| def testExistsRoot(self): |
| self.assertTrue(self.filesystem.Exists(self.root_name)) |
| |
| def testExistsUnaddedFile(self): |
| self.assertFalse(self.filesystem.Exists(self.fake_file.name)) |
| |
| def testGetRootObject(self): |
| self.assertEqual(self.filesystem.root, |
| self.filesystem.GetObject(self.root_name)) |
| |
| def testAddObjectToRoot(self): |
| self.filesystem.AddObject(self.root_name, self.fake_file) |
| self.assertEqual({'foobar': self.fake_file}, self.filesystem.root.contents) |
| |
| def testExistsAddedFile(self): |
| self.filesystem.AddObject(self.root_name, self.fake_file) |
| self.assertTrue(self.filesystem.Exists(self.fake_file.name)) |
| |
| def testExistsRelativePath(self): |
| self.filesystem.CreateFile('/a/b/file_one') |
| self.filesystem.CreateFile('/a/c/file_two') |
| self.assertTrue(self.filesystem.Exists('a/b/../c/file_two')) |
| self.assertTrue(self.filesystem.Exists('/a/c/../b/file_one')) |
| self.assertTrue(self.filesystem.Exists('/a/c/../../a/b/file_one')) |
| self.assertFalse(self.filesystem.Exists('a/b/../z/d')) |
| self.assertFalse(self.filesystem.Exists('a/b/../z/../c/file_two')) |
| self.filesystem.cwd = '/a/c' |
| self.assertTrue(self.filesystem.Exists('../b/file_one')) |
| self.assertTrue(self.filesystem.Exists('../../a/b/file_one')) |
| self.assertTrue(self.filesystem.Exists('../../a/b/../../a/c/file_two')) |
| self.assertFalse(self.filesystem.Exists('../z/file_one')) |
| self.assertFalse(self.filesystem.Exists('../z/../c/file_two')) |
| |
| def testGetObjectFromRoot(self): |
| self.filesystem.AddObject(self.root_name, self.fake_file) |
| self.assertEqual(self.fake_file, self.filesystem.GetObject('foobar')) |
| |
| def testGetNonexistentObjectFromRootError(self): |
| self.filesystem.AddObject(self.root_name, self.fake_file) |
| self.assertEqual(self.fake_file, self.filesystem.GetObject('foobar')) |
| self.assertRaises(IOError, self.filesystem.GetObject, |
| 'some_bogus_filename') |
| |
| def testRemoveObjectFromRoot(self): |
| self.filesystem.AddObject(self.root_name, self.fake_file) |
| self.filesystem.RemoveObject(self.fake_file.name) |
| self.assertRaises(IOError, self.filesystem.GetObject, self.fake_file.name) |
| |
| def testRemoveNonexistenObjectFromRootError(self): |
| self.assertRaises(IOError, self.filesystem.RemoveObject, |
| 'some_bogus_filename') |
| |
| def testExistsRemovedFile(self): |
| self.filesystem.AddObject(self.root_name, self.fake_file) |
| self.filesystem.RemoveObject(self.fake_file.name) |
| self.assertFalse(self.filesystem.Exists(self.fake_file.name)) |
| |
| def testAddObjectToChild(self): |
| self.filesystem.AddObject(self.root_name, self.fake_child) |
| self.filesystem.AddObject(self.fake_child.name, self.fake_file) |
| self.assertEqual( |
| {self.fake_file.name: self.fake_file}, |
| self.filesystem.root.GetEntry(self.fake_child.name).contents) |
| |
| def testAddObjectToRegularFileError(self): |
| self.filesystem.AddObject(self.root_name, self.fake_file) |
| self.assertRaises(IOError, self.filesystem.AddObject, |
| self.fake_file.name, self.fake_file) |
| |
| def testExistsFileAddedToChild(self): |
| self.filesystem.AddObject(self.root_name, self.fake_child) |
| self.filesystem.AddObject(self.fake_child.name, self.fake_file) |
| path = self.filesystem.JoinPaths(self.fake_child.name, |
| self.fake_file.name) |
| self.assertTrue(self.filesystem.Exists(path)) |
| |
| def testGetObjectFromChild(self): |
| self.filesystem.AddObject(self.root_name, self.fake_child) |
| self.filesystem.AddObject(self.fake_child.name, self.fake_file) |
| self.assertEqual(self.fake_file, |
| self.filesystem.GetObject( |
| self.filesystem.JoinPaths(self.fake_child.name, |
| self.fake_file.name))) |
| |
| def testGetNonexistentObjectFromChildError(self): |
| self.filesystem.AddObject(self.root_name, self.fake_child) |
| self.filesystem.AddObject(self.fake_child.name, self.fake_file) |
| self.assertRaises(IOError, self.filesystem.GetObject, |
| self.filesystem.JoinPaths(self.fake_child.name, |
| 'some_bogus_filename')) |
| |
| def testRemoveObjectFromChild(self): |
| self.filesystem.AddObject(self.root_name, self.fake_child) |
| self.filesystem.AddObject(self.fake_child.name, self.fake_file) |
| target_path = self.filesystem.JoinPaths(self.fake_child.name, |
| self.fake_file.name) |
| self.filesystem.RemoveObject(target_path) |
| self.assertRaises(IOError, self.filesystem.GetObject, target_path) |
| |
| def testRemoveObjectFromChildError(self): |
| self.filesystem.AddObject(self.root_name, self.fake_child) |
| self.assertRaises(IOError, self.filesystem.RemoveObject, |
| self.filesystem.JoinPaths(self.fake_child.name, |
| 'some_bogus_filename')) |
| |
| def testRemoveObjectFromNonDirectoryError(self): |
| self.filesystem.AddObject(self.root_name, self.fake_file) |
| self.assertRaises( |
| IOError, self.filesystem.RemoveObject, |
| self.filesystem.JoinPaths( |
| '%s' % self.fake_file.name, |
| 'file_does_not_matter_since_parent_not_a_directory')) |
| |
| def testExistsFileRemovedFromChild(self): |
| self.filesystem.AddObject(self.root_name, self.fake_child) |
| self.filesystem.AddObject(self.fake_child.name, self.fake_file) |
| path = self.filesystem.JoinPaths(self.fake_child.name, |
| self.fake_file.name) |
| self.filesystem.RemoveObject(path) |
| self.assertFalse(self.filesystem.Exists(path)) |
| |
| def testOperateOnGrandchildDirectory(self): |
| self.filesystem.AddObject(self.root_name, self.fake_child) |
| self.filesystem.AddObject(self.fake_child.name, self.fake_grandchild) |
| grandchild_directory = self.filesystem.JoinPaths(self.fake_child.name, |
| self.fake_grandchild.name) |
| grandchild_file = self.filesystem.JoinPaths(grandchild_directory, |
| self.fake_file.name) |
| self.assertRaises(IOError, self.filesystem.GetObject, grandchild_file) |
| self.filesystem.AddObject(grandchild_directory, self.fake_file) |
| self.assertEqual(self.fake_file, |
| self.filesystem.GetObject(grandchild_file)) |
| self.assertTrue(self.filesystem.Exists(grandchild_file)) |
| self.filesystem.RemoveObject(grandchild_file) |
| self.assertRaises(IOError, self.filesystem.GetObject, grandchild_file) |
| self.assertFalse(self.filesystem.Exists(grandchild_file)) |
| |
| def testCreateDirectoryInRootDirectory(self): |
| path = 'foo' |
| self.filesystem.CreateDirectory(path) |
| new_dir = self.filesystem.GetObject(path) |
| self.assertEqual(os.path.basename(path), new_dir.name) |
| self.assertTrue(stat.S_IFDIR & new_dir.st_mode) |
| |
| def testCreateDirectoryInRootDirectoryAlreadyExistsError(self): |
| path = 'foo' |
| self.filesystem.CreateDirectory(path) |
| self.assertRaises(OSError, self.filesystem.CreateDirectory, path) |
| |
| def testCreateDirectory(self): |
| path = 'foo/bar/baz' |
| self.filesystem.CreateDirectory(path) |
| new_dir = self.filesystem.GetObject(path) |
| self.assertEqual(os.path.basename(path), new_dir.name) |
| self.assertTrue(stat.S_IFDIR & new_dir.st_mode) |
| |
| # Create second directory to make sure first is OK. |
| path = '%s/quux' % path |
| self.filesystem.CreateDirectory(path) |
| new_dir = self.filesystem.GetObject(path) |
| self.assertEqual(os.path.basename(path), new_dir.name) |
| self.assertTrue(stat.S_IFDIR & new_dir.st_mode) |
| |
| def testCreateDirectoryAlreadyExistsError(self): |
| path = 'foo/bar/baz' |
| self.filesystem.CreateDirectory(path) |
| self.assertRaises(OSError, self.filesystem.CreateDirectory, path) |
| |
| def testCreateFileInCurrentDirectory(self): |
| path = 'foo' |
| contents = 'dummy data' |
| self.filesystem.CreateFile(path, contents=contents) |
| self.assertTrue(self.filesystem.Exists(path)) |
| self.assertFalse(self.filesystem.Exists(os.path.dirname(path))) |
| path = './%s' % path |
| self.assertTrue(self.filesystem.Exists(os.path.dirname(path))) |
| |
| def testCreateFileInRootDirectory(self): |
| path = '/foo' |
| contents = 'dummy data' |
| self.filesystem.CreateFile(path, contents=contents) |
| new_file = self.filesystem.GetObject(path) |
| self.assertTrue(self.filesystem.Exists(path)) |
| self.assertTrue(self.filesystem.Exists(os.path.dirname(path))) |
| self.assertEqual(os.path.basename(path), new_file.name) |
| self.assertTrue(stat.S_IFREG & new_file.st_mode) |
| self.assertEqual(contents, new_file.contents) |
| |
| def testCreateFileWithSizeButNoContentCreatesLargeFile(self): |
| path = 'large_foo_bar' |
| self.filesystem.CreateFile(path, st_size=100000000) |
| new_file = self.filesystem.GetObject(path) |
| self.assertEqual(None, new_file.contents) |
| self.assertEqual(100000000, new_file.st_size) |
| |
| def testCreateFileInRootDirectoryAlreadyExistsError(self): |
| path = 'foo' |
| self.filesystem.CreateFile(path) |
| self.assertRaises(IOError, self.filesystem.CreateFile, path) |
| |
| def testCreateFile(self): |
| path = 'foo/bar/baz' |
| retval = self.filesystem.CreateFile(path, contents='dummy_data') |
| self.assertTrue(self.filesystem.Exists(path)) |
| self.assertTrue(self.filesystem.Exists(os.path.dirname(path))) |
| new_file = self.filesystem.GetObject(path) |
| self.assertEqual(os.path.basename(path), new_file.name) |
| self.assertTrue(stat.S_IFREG & new_file.st_mode) |
| self.assertEqual(new_file, retval) |
| |
| def testCreateFileAlreadyExistsError(self): |
| path = 'foo/bar/baz' |
| self.filesystem.CreateFile(path, contents='dummy_data') |
| self.assertRaises(IOError, self.filesystem.CreateFile, path) |
| |
| def testCreateLink(self): |
| path = 'foo/bar/baz' |
| target_path = 'foo/bar/quux' |
| new_file = self.filesystem.CreateLink(path, 'quux') |
| # Neither the path not the final target exists before we actually write to |
| # one of them, even though the link appears in the file system. |
| self.assertFalse(self.filesystem.Exists(path)) |
| self.assertFalse(self.filesystem.Exists(target_path)) |
| self.assertTrue(stat.S_IFLNK & new_file.st_mode) |
| |
| # but once we write the linked to file, they both will exist. |
| self.filesystem.CreateFile(target_path) |
| self.assertTrue(self.filesystem.Exists(path)) |
| self.assertTrue(self.filesystem.Exists(target_path)) |
| |
| def testResolveObject(self): |
| target_path = 'dir/target' |
| target_contents = '0123456789ABCDEF' |
| link_name = 'x' |
| self.filesystem.CreateDirectory('dir') |
| self.filesystem.CreateFile('dir/target', contents=target_contents) |
| self.filesystem.CreateLink(link_name, target_path) |
| obj = self.filesystem.ResolveObject(link_name) |
| self.assertEqual('target', obj.name) |
| self.assertEqual(target_contents, obj.contents) |
| |
| def testLresolveObject(self): |
| target_path = 'dir/target' |
| target_contents = '0123456789ABCDEF' |
| link_name = 'x' |
| self.filesystem.CreateDirectory('dir') |
| self.filesystem.CreateFile('dir/target', contents=target_contents) |
| self.filesystem.CreateLink(link_name, target_path) |
| obj = self.filesystem.LResolveObject(link_name) |
| self.assertEqual(link_name, obj.name) |
| self.assertEqual(target_path, obj.contents) |
| |
| def testDirectoryAccessOnFile(self): |
| self.filesystem.CreateFile('not_a_dir') |
| self.assertRaises(IOError, self.filesystem.ResolveObject, 'not_a_dir/foo') |
| self.assertRaises(IOError, self.filesystem.ResolveObject, |
| 'not_a_dir/foo/bar') |
| self.assertRaises(IOError, self.filesystem.LResolveObject, 'not_a_dir/foo') |
| self.assertRaises(IOError, self.filesystem.LResolveObject, |
| 'not_a_dir/foo/bar') |
| |
| |
| class FakeOsModuleTest(TestCase): |
| |
| def setUp(self): |
| self.filesystem = fake_filesystem.FakeFilesystem(path_separator='/') |
| self.os = fake_filesystem.FakeOsModule(self.filesystem) |
| self.rwx = self.os.R_OK | self.os.W_OK | self.os.X_OK |
| self.rw = self.os.R_OK | self.os.W_OK |
| self.orig_time = time.time |
| time.time = _GetDummyTime(200, 20) |
| |
| def tearDown(self): |
| time.time = self.orig_time |
| |
| def assertRaisesWithRegexpMatch(self, expected_exception, expected_regexp, |
| callable_obj, *args, **kwargs): |
| """Asserts that the message in a raised exception matches the given regexp. |
| |
| Args: |
| expected_exception: Exception class expected to be raised. |
| expected_regexp: Regexp (re pattern object or string) expected to be |
| found in error message. |
| callable_obj: Function to be called. |
| *args: Extra args. |
| **kwargs: Extra kwargs. |
| """ |
| try: |
| callable_obj(*args, **kwargs) |
| except expected_exception as err: |
| if isinstance(expected_regexp, str): |
| expected_regexp = re.compile(expected_regexp) |
| self.assertTrue( |
| expected_regexp.search(str(err)), |
| '"%s" does not match "%s"' % (expected_regexp.pattern, str(err))) |
| else: |
| self.fail(expected_exception.__name__ + ' not raised') |
| |
| def testChdir(self): |
| """chdir should work on a directory.""" |
| directory = '/foo' |
| self.filesystem.CreateDirectory(directory) |
| self.os.chdir(directory) |
| |
| def testChdirFailsNonExist(self): |
| """chdir should raise OSError if the target does not exist.""" |
| directory = '/no/such/directory' |
| self.assertRaises(OSError, self.os.chdir, directory) |
| |
| def testChdirFailsNonDirectory(self): |
| """chdir should raies OSError if the target is not a directory.""" |
| filename = '/foo/bar' |
| self.filesystem.CreateFile(filename) |
| self.assertRaises(OSError, self.os.chdir, filename) |
| |
| def testConsecutiveChdir(self): |
| """Consecutive relative chdir calls should work.""" |
| dir1 = 'foo' |
| dir2 = 'bar' |
| full_dirname = self.os.path.join(dir1, dir2) |
| self.filesystem.CreateDirectory(full_dirname) |
| self.os.chdir(dir1) |
| self.os.chdir(dir2) |
| self.assertEqual(self.os.getcwd(), self.os.path.sep + full_dirname) |
| |
| def testBackwardsChdir(self): |
| """chdir into '..' should behave appropriately.""" |
| rootdir = self.os.getcwd() |
| dirname = 'foo' |
| abs_dirname = self.os.path.abspath(dirname) |
| self.filesystem.CreateDirectory(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 testGetCwd(self): |
| dirname = '/foo/bar' |
| self.filesystem.CreateDirectory(dirname) |
| self.assertEqual(self.os.getcwd(), self.os.path.sep) |
| self.os.chdir(dirname) |
| self.assertEqual(self.os.getcwd(), dirname) |
| |
| def testListdir(self): |
| directory = 'xyzzy/plugh' |
| files = ['foo', 'bar', 'baz'] |
| for f in files: |
| self.filesystem.CreateFile('%s/%s' % (directory, f)) |
| files.sort() |
| self.assertEqual(files, self.os.listdir(directory)) |
| |
| def testListdirOnSymlink(self): |
| directory = 'xyzzy' |
| files = ['foo', 'bar', 'baz'] |
| for f in files: |
| self.filesystem.CreateFile('%s/%s' % (directory, f)) |
| self.filesystem.CreateLink('symlink', 'xyzzy') |
| files.sort() |
| self.assertEqual(files, self.os.listdir('symlink')) |
| |
| def testListdirError(self): |
| file_path = 'foo/bar/baz' |
| self.filesystem.CreateFile(file_path) |
| self.assertRaises(OSError, self.os.listdir, file_path) |
| |
| def testExistsCurrentDir(self): |
| self.assertTrue(self.filesystem.Exists('.')) |
| |
| def testListdirCurrent(self): |
| files = ['foo', 'bar', 'baz'] |
| for f in files: |
| self.filesystem.CreateFile('%s' % f) |
| files.sort() |
| self.assertEqual(files, self.os.listdir('.')) |
| |
| def testFdopen(self): |
| fake_open = fake_filesystem.FakeFileOpen(self.filesystem) |
| file_path1 = 'some_file1' |
| self.filesystem.CreateFile(file_path1, contents='contents here1') |
| fake_file1 = fake_open(file_path1, 'r') |
| self.assertEqual(0, fake_file1.fileno()) |
| |
| self.assertFalse(self.os.fdopen(0) is fake_file1) |
| |
| self.assertRaises(TypeError, self.os.fdopen, None) |
| self.assertRaises(TypeError, self.os.fdopen, 'a string') |
| |
| def testOutOfRangeFdopen(self): |
| # We haven't created any files, so even 0 is out of range. |
| self.assertRaises(OSError, self.os.fdopen, 0) |
| |
| def testClosedFileDescriptor(self): |
| fake_open = fake_filesystem.FakeFileOpen(self.filesystem) |
| first_path = 'some_file1' |
| second_path = 'some_file2' |
| third_path = 'some_file3' |
| self.filesystem.CreateFile(first_path, contents='contents here1') |
| self.filesystem.CreateFile(second_path, contents='contents here2') |
| self.filesystem.CreateFile(third_path, contents='contents here3') |
| |
| fake_file1 = fake_open(first_path, 'r') |
| fake_file2 = fake_open(second_path, 'r') |
| fake_file3 = fake_open(third_path, 'r') |
| self.assertEqual(0, fake_file1.fileno()) |
| self.assertEqual(1, fake_file2.fileno()) |
| self.assertEqual(2, fake_file3.fileno()) |
| |
| fileno2 = fake_file2.fileno() |
| self.os.close(fileno2) |
| self.assertRaises(OSError, self.os.close, fileno2) |
| self.assertEqual(0, fake_file1.fileno()) |
| self.assertEqual(2, fake_file3.fileno()) |
| |
| self.assertFalse(self.os.fdopen(0) is fake_file1) |
| self.assertFalse(self.os.fdopen(2) is fake_file3) |
| self.assertRaises(OSError, self.os.fdopen, 1) |
| |
| def testFdopenMode(self): |
| fake_open = fake_filesystem.FakeFileOpen(self.filesystem) |
| file_path1 = 'some_file1' |
| self.filesystem.CreateFile(file_path1, contents='contents here1', |
| st_mode=((stat.S_IFREG | 0o666) ^ stat.S_IWRITE)) |
| |
| fake_file1 = fake_open(file_path1, 'r') |
| self.assertEqual(0, fake_file1.fileno()) |
| self.os.fdopen(0) |
| self.os.fdopen(0, mode='r') |
| exception = OSError if sys.version_info < (3, 0) else IOError |
| self.assertRaises(exception, self.os.fdopen, 0, 'w') |
| |
| def testLowLevelOpenCreate(self): |
| file_path = 'file1' |
| # this is the low-level open, not FakeFileOpen |
| fileno = self.os.open(file_path, self.os.O_CREAT) |
| self.assertEqual(0, fileno) |
| self.assertTrue(self.os.path.exists(file_path)) |
| |
| def testLowLevelOpenCreateMode(self): |
| file_path = 'file1' |
| fileno = self.os.open(file_path, self.os.O_CREAT, 0o700) |
| self.assertEqual(0, fileno) |
| self.assertTrue(self.os.path.exists(file_path)) |
| self.assertModeEqual(0o700, self.os.stat(file_path).st_mode) |
| |
| def testLowLevelOpenCreateModeUnsupported(self): |
| file_path = 'file1' |
| fake_flag = 0b100000000000000000000000 |
| self.assertRaises(NotImplementedError, self.os.open, file_path, fake_flag) |
| |
| def testLowLevelWriteRead(self): |
| file_path = 'file1' |
| self.filesystem.CreateFile(file_path, contents='orig contents') |
| new_contents = '1234567890abcdef' |
| fake_open = fake_filesystem.FakeFileOpen(self.filesystem) |
| |
| fh = fake_open(file_path, 'w') |
| fileno = fh.fileno() |
| |
| self.assertEqual(len(new_contents), self.os.write(fileno, new_contents)) |
| self.assertEqual(new_contents, |
| self.filesystem.GetObject(file_path).contents) |
| self.os.close(fileno) |
| |
| fh = fake_open(file_path, 'r') |
| fileno = fh.fileno() |
| self.assertEqual('', 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('', self.os.read(fileno, 10)) |
| self.os.close(fileno) |
| |
| self.assertRaises(OSError, self.os.write, fileno, new_contents) |
| self.assertRaises(OSError, self.os.read, fileno, 10) |
| |
| def testFstat(self): |
| directory = 'xyzzy' |
| file_path = '%s/plugh' % directory |
| self.filesystem.CreateFile(file_path, contents='ABCDE') |
| fake_open = fake_filesystem.FakeFileOpen(self.filesystem) |
| file_obj = fake_open(file_path) |
| 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 testStat(self): |
| directory = 'xyzzy' |
| file_path = '%s/plugh' % directory |
| self.filesystem.CreateFile(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]) |
| |
| def testLstat(self): |
| directory = '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 = '%s/%s' % (directory, base_name) |
| link_path = '%s/link' % directory |
| self.filesystem.CreateFile(file_path, contents=file_contents) |
| self.filesystem.CreateLink(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 testStatNonExistentFile(self): |
| # set up |
| file_path = '/non/existent/file' |
| self.assertFalse(self.filesystem.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 testReadlink(self): |
| link_path = 'foo/bar/baz' |
| target = 'tarJAY' |
| self.filesystem.CreateLink(link_path, target) |
| self.assertEqual(self.os.readlink(link_path), target) |
| |
| def testReadlinkRaisesIfPathIsNotALink(self): |
| file_path = 'foo/bar/eleventyone' |
| self.filesystem.CreateFile(file_path) |
| self.assertRaises(OSError, self.os.readlink, file_path) |
| |
| def testReadlinkRaisesIfPathDoesNotExist(self): |
| self.assertRaises(OSError, self.os.readlink, '/this/path/does/not/exist') |
| |
| def testReadlinkRaisesIfPathIsNone(self): |
| self.assertRaises(TypeError, self.os.readlink, None) |
| |
| def testReadlinkWithLinksInPath(self): |
| self.filesystem.CreateLink('/meyer/lemon/pie', 'yum') |
| self.filesystem.CreateLink('/geo/metro', '/meyer') |
| self.assertEqual('yum', self.os.readlink('/geo/metro/lemon/pie')) |
| |
| def testReadlinkWithChainedLinksInPath(self): |
| self.filesystem.CreateLink('/eastern/european/wolfhounds/chase', 'cats') |
| self.filesystem.CreateLink('/russian', '/eastern/european') |
| self.filesystem.CreateLink('/dogs', '/russian/wolfhounds') |
| self.assertEqual('cats', self.os.readlink('/dogs/chase')) |
| |
| def testRemoveDir(self): |
| directory = 'xyzzy' |
| dir_path = '/%s/plugh' % directory |
| self.filesystem.CreateDirectory(dir_path) |
| self.assertTrue(self.filesystem.Exists(dir_path)) |
| self.assertRaises(OSError, self.os.remove, dir_path) |
| self.assertTrue(self.filesystem.Exists(dir_path)) |
| self.os.chdir(directory) |
| self.assertRaises(OSError, self.os.remove, 'plugh') |
| self.assertTrue(self.filesystem.Exists(dir_path)) |
| self.assertRaises(OSError, self.os.remove, '/plugh') |
| |
| def testRemoveFile(self): |
| directory = 'zzy' |
| file_path = '%s/plugh' % directory |
| self.filesystem.CreateFile(file_path) |
| self.assertTrue(self.filesystem.Exists(file_path)) |
| self.os.remove(file_path) |
| self.assertFalse(self.filesystem.Exists(file_path)) |
| |
| def testRemoveFileNoDirectory(self): |
| directory = 'zzy' |
| file_name = 'plugh' |
| file_path = '%s/%s' % (directory, file_name) |
| self.filesystem.CreateFile(file_path) |
| self.assertTrue(self.filesystem.Exists(file_path)) |
| self.os.chdir(directory) |
| self.os.remove(file_name) |
| self.assertFalse(self.filesystem.Exists(file_path)) |
| |
| def testRemoveFileRelativePath(self): |
| original_dir = self.os.getcwd() |
| directory = 'zzy' |
| subdirectory = self.os.path.join(directory, directory) |
| file_name = 'plugh' |
| file_path = '%s/%s' % (directory, file_name) |
| file_path_relative = self.os.path.join('..', file_name) |
| self.filesystem.CreateFile(file_path) |
| self.assertTrue(self.filesystem.Exists(file_path)) |
| self.filesystem.CreateDirectory(subdirectory) |
| self.assertTrue(self.filesystem.Exists(subdirectory)) |
| self.os.chdir(subdirectory) |
| self.os.remove(file_path_relative) |
| self.assertFalse(self.filesystem.Exists(file_path_relative)) |
| self.os.chdir(original_dir) |
| self.assertFalse(self.filesystem.Exists(file_path)) |
| |
| def testRemoveDirRaisesError(self): |
| directory = 'zzy' |
| self.filesystem.CreateDirectory(directory) |
| self.assertRaises(OSError, |
| self.os.remove, |
| directory) |
| |
| def testRemoveSymlinkToDir(self): |
| directory = 'zzy' |
| link = 'link_to_dir' |
| self.filesystem.CreateDirectory(directory) |
| self.os.symlink(directory, link) |
| self.assertTrue(self.filesystem.Exists(directory)) |
| self.assertTrue(self.filesystem.Exists(link)) |
| self.os.remove(link) |
| self.assertTrue(self.filesystem.Exists(directory)) |
| self.assertFalse(self.filesystem.Exists(link)) |
| |
| def testUnlink(self): |
| self.assertTrue(self.os.unlink == self.os.remove) |
| |
| def testUnlinkRaisesIfNotExist(self): |
| file_path = '/file/does/not/exist' |
| self.assertFalse(self.filesystem.Exists(file_path)) |
| self.assertRaises(OSError, self.os.unlink, file_path) |
| |
| def testRenameToNonexistentFile(self): |
| """Can rename a file to an unused name.""" |
| directory = 'xyzzy' |
| old_file_path = '%s/plugh_old' % directory |
| new_file_path = '%s/plugh_new' % directory |
| self.filesystem.CreateFile(old_file_path, contents='test contents') |
| self.assertTrue(self.filesystem.Exists(old_file_path)) |
| self.assertFalse(self.filesystem.Exists(new_file_path)) |
| self.os.rename(old_file_path, new_file_path) |
| self.assertFalse(self.filesystem.Exists(old_file_path)) |
| self.assertTrue(self.filesystem.Exists(new_file_path)) |
| self.assertEqual('test contents', |
| self.filesystem.GetObject(new_file_path).contents) |
| |
| def testRenameDirectory(self): |
| """Can rename a directory to an unused name.""" |
| for old_path, new_path in [('wxyyw', 'xyzzy'), ('/abccb', 'cdeed')]: |
| self.filesystem.CreateFile('%s/plugh' % old_path, contents='test') |
| self.assertTrue(self.filesystem.Exists(old_path)) |
| self.assertFalse(self.filesystem.Exists(new_path)) |
| self.os.rename(old_path, new_path) |
| self.assertFalse(self.filesystem.Exists(old_path)) |
| self.assertTrue(self.filesystem.Exists(new_path)) |
| self.assertEqual( |
| 'test', self.filesystem.GetObject('%s/plugh' % new_path).contents) |
| |
| def testRenameToExistentFile(self): |
| """Can rename a file to a used name.""" |
| directory = 'xyzzy' |
| old_file_path = '%s/plugh_old' % directory |
| new_file_path = '%s/plugh_new' % directory |
| self.filesystem.CreateFile(old_file_path, contents='test contents 1') |
| self.filesystem.CreateFile(new_file_path, contents='test contents 2') |
| self.assertTrue(self.filesystem.Exists(old_file_path)) |
| self.assertTrue(self.filesystem.Exists(new_file_path)) |
| self.os.rename(old_file_path, new_file_path) |
| self.assertFalse(self.filesystem.Exists(old_file_path)) |
| self.assertTrue(self.filesystem.Exists(new_file_path)) |
| self.assertEqual('test contents 1', |
| self.filesystem.GetObject(new_file_path).contents) |
| |
| def testRenameToNonexistentDir(self): |
| """Can rename a file to a name in a nonexistent dir.""" |
| directory = 'xyzzy' |
| old_file_path = '%s/plugh_old' % directory |
| new_file_path = '%s/no_such_path/plugh_new' % directory |
| self.filesystem.CreateFile(old_file_path, contents='test contents') |
| self.assertTrue(self.filesystem.Exists(old_file_path)) |
| self.assertFalse(self.filesystem.Exists(new_file_path)) |
| self.assertRaises(IOError, self.os.rename, old_file_path, new_file_path) |
| self.assertTrue(self.filesystem.Exists(old_file_path)) |
| self.assertFalse(self.filesystem.Exists(new_file_path)) |
| self.assertEqual('test contents', |
| self.filesystem.GetObject(old_file_path).contents) |
| |
| def testRenameNonexistentFileShouldRaiseError(self): |
| """Can't rename a file that doesn't exist.""" |
| self.assertRaises(OSError, |
| self.os.rename, |
| 'nonexistent-foo', |
| 'doesn\'t-matter-bar') |
| |
| def testRenameEmptyDir(self): |
| """Test a rename of an empty directory.""" |
| directory = 'xyzzy' |
| before_dir = '%s/empty' % directory |
| after_dir = '%s/unused' % directory |
| self.filesystem.CreateDirectory(before_dir) |
| self.assertTrue(self.filesystem.Exists('%s/.' % before_dir)) |
| self.assertFalse(self.filesystem.Exists(after_dir)) |
| self.os.rename(before_dir, after_dir) |
| self.assertFalse(self.filesystem.Exists(before_dir)) |
| self.assertTrue(self.filesystem.Exists('%s/.' % after_dir)) |
| |
| def testRenameDir(self): |
| """Test a rename of a directory.""" |
| directory = 'xyzzy' |
| before_dir = '%s/before' % directory |
| before_file = '%s/before/file' % directory |
| after_dir = '%s/after' % directory |
| after_file = '%s/after/file' % directory |
| self.filesystem.CreateDirectory(before_dir) |
| self.filesystem.CreateFile(before_file, contents='payload') |
| self.assertTrue(self.filesystem.Exists(before_dir)) |
| self.assertTrue(self.filesystem.Exists(before_file)) |
| self.assertFalse(self.filesystem.Exists(after_dir)) |
| self.assertFalse(self.filesystem.Exists(after_file)) |
| self.os.rename(before_dir, after_dir) |
| self.assertFalse(self.filesystem.Exists(before_dir)) |
| self.assertFalse(self.filesystem.Exists(before_file)) |
| self.assertTrue(self.filesystem.Exists(after_dir)) |
| self.assertTrue(self.filesystem.Exists(after_file)) |
| self.assertEqual('payload', |
| self.filesystem.GetObject(after_file).contents) |
| |
| def testRenamePreservesStat(self): |
| """Test if rename preserves mtime.""" |
| directory = 'xyzzy' |
| old_file_path = '%s/plugh_old' % directory |
| new_file_path = '%s/plugh_new' % directory |
| old_file = self.filesystem.CreateFile(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) |
| new_file = self.filesystem.CreateFile(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.GetObject(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 testRenameSameFilenames(self): |
| """Test renaming when old and new names are the same.""" |
| directory = 'xyzzy' |
| file_contents = 'Spam eggs' |
| file_path = '%s/eggs' % directory |
| self.filesystem.CreateFile(file_path, contents=file_contents) |
| self.os.rename(file_path, file_path) |
| self.assertEqual(file_contents, |
| self.filesystem.GetObject(file_path).contents) |
| |
| def testRmdir(self): |
| """Can remove a directory.""" |
| directory = 'xyzzy' |
| sub_dir = '/xyzzy/abccd' |
| other_dir = '/xyzzy/cdeed' |
| self.filesystem.CreateDirectory(directory) |
| self.assertTrue(self.filesystem.Exists(directory)) |
| self.os.rmdir(directory) |
| self.assertFalse(self.filesystem.Exists(directory)) |
| self.filesystem.CreateDirectory(sub_dir) |
| self.filesystem.CreateDirectory(other_dir) |
| self.os.chdir(sub_dir) |
| self.os.rmdir('../cdeed') |
| self.assertFalse(self.filesystem.Exists(other_dir)) |
| self.os.chdir('..') |
| self.os.rmdir('abccd') |
| self.assertFalse(self.filesystem.Exists(sub_dir)) |
| |
| def testRmdirRaisesIfNotEmpty(self): |
| """Raises an exception if the target directory is not empty.""" |
| directory = 'xyzzy' |
| file_path = '%s/plugh' % directory |
| self.filesystem.CreateFile(file_path) |
| self.assertTrue(self.filesystem.Exists(file_path)) |
| self.assertRaises(OSError, self.os.rmdir, directory) |
| |
| def testRmdirRaisesIfNotDirectory(self): |
| """Raises an exception if the target is not a directory.""" |
| directory = 'xyzzy' |
| file_path = '%s/plugh' % directory |
| self.filesystem.CreateFile(file_path) |
| self.assertTrue(self.filesystem.Exists(file_path)) |
| self.assertRaises(OSError, self.os.rmdir, file_path) |
| self.assertRaises(OSError, self.os.rmdir, '.') |
| |
| def testRmdirRaisesIfNotExist(self): |
| """Raises an exception if the target does not exist.""" |
| directory = 'xyzzy' |
| self.assertFalse(self.filesystem.Exists(directory)) |
| self.assertRaises(OSError, self.os.rmdir, directory) |
| |
| def RemovedirsCheck(self, directory): |
| self.assertTrue(self.filesystem.Exists(directory)) |
| self.os.removedirs(directory) |
| return not self.filesystem.Exists(directory) |
| |
| def testRemovedirs(self): |
| data = ['test1', 'test1/test2', 'test1/extra', 'test1/test2/test3'] |
| for directory in data: |
| self.filesystem.CreateDirectory(directory) |
| self.assertTrue(self.filesystem.Exists(directory)) |
| self.assertRaises(OSError, self.RemovedirsCheck, data[0]) |
| self.assertRaises(OSError, self.RemovedirsCheck, data[1]) |
| |
| self.assertTrue(self.RemovedirsCheck(data[3])) |
| self.assertTrue(self.filesystem.Exists(data[0])) |
| self.assertFalse(self.filesystem.Exists(data[1])) |
| self.assertTrue(self.filesystem.Exists(data[2])) |
| |
| # Should raise because '/test1/extra' is all that is left, and |
| # removedirs('/test1/extra') will eventually try to rmdir('/'). |
| self.assertRaises(OSError, self.RemovedirsCheck, data[2]) |
| |
| # However, it will still delete '/test1') in the process. |
| self.assertFalse(self.filesystem.Exists(data[0])) |
| |
| self.filesystem.CreateDirectory('test1/test2') |
| # Add this to the root directory to avoid raising an exception. |
| self.filesystem.CreateDirectory('test3') |
| self.assertTrue(self.RemovedirsCheck('test1/test2')) |
| self.assertFalse(self.filesystem.Exists('test1/test2')) |
| self.assertFalse(self.filesystem.Exists('test1')) |
| |
| def testRemovedirsRaisesIfRemovingRoot(self): |
| """Raises exception if asked to remove '/'.""" |
| directory = '/' |
| self.assertTrue(self.filesystem.Exists(directory)) |
| self.assertRaises(OSError, self.os.removedirs, directory) |
| |
| def testRemovedirsRaisesIfCascadeRemovingRoot(self): |
| """Raises exception if asked to remove '/' as part of a larger operation. |
| |
| All of other directories should still be removed, though. |
| """ |
| directory = '/foo/bar/' |
| self.filesystem.CreateDirectory(directory) |
| self.assertTrue(self.filesystem.Exists(directory)) |
| self.assertRaises(OSError, self.os.removedirs, directory) |
| head, unused_tail = self.os.path.split(directory) |
| while head != '/': |
| self.assertFalse(self.filesystem.Exists(directory)) |
| head, unused_tail = self.os.path.split(head) |
| |
| def testRemovedirsWithTrailingSlash(self): |
| """removedirs works on directory names with trailing slashes.""" |
| # separate this case from the removing-root-directory case |
| self.filesystem.CreateDirectory('/baz') |
| directory = '/foo/bar/' |
| self.filesystem.CreateDirectory(directory) |
| self.assertTrue(self.filesystem.Exists(directory)) |
| self.os.removedirs(directory) |
| self.assertFalse(self.filesystem.Exists(directory)) |
| |
| def testMkdir(self): |
| """mkdir can create a relative directory.""" |
| 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.filesystem.Exists('/%s/abccb' % directory)) |
| |
| def testMkdirWithTrailingSlash(self): |
| """mkdir can create a directory named with a trailing slash.""" |
| directory = '/foo/' |
| self.assertFalse(self.filesystem.Exists(directory)) |
| self.os.mkdir(directory) |
| self.assertTrue(self.filesystem.Exists(directory)) |
| self.assertTrue(self.filesystem.Exists('/foo')) |
| |
| def testMkdirRaisesIfEmptyDirectoryName(self): |
| """mkdir raises exeption if creating directory named ''.""" |
| directory = '' |
| self.assertRaises(OSError, self.os.mkdir, directory) |
| |
| def testMkdirRaisesIfNoParent(self): |
| """mkdir raises exception if parent directory does not exist.""" |
| parent = 'xyzzy' |
| directory = '%s/foo' % (parent,) |
| self.assertFalse(self.filesystem.Exists(parent)) |
| self.assertRaises(Exception, self.os.mkdir, directory) |
| |
| def testMkdirRaisesIfDirectoryExists(self): |
| """mkdir raises exception if directory already exists.""" |
| directory = 'xyzzy' |
| self.filesystem.CreateDirectory(directory) |
| self.assertTrue(self.filesystem.Exists(directory)) |
| self.assertRaises(Exception, self.os.mkdir, directory) |
| |
| def testMkdirRaisesIfFileExists(self): |
| """mkdir raises exception if name already exists as a file.""" |
| directory = 'xyzzy' |
| file_path = '%s/plugh' % directory |
| self.filesystem.CreateFile(file_path) |
| self.assertTrue(self.filesystem.Exists(file_path)) |
| self.assertRaises(Exception, self.os.mkdir, file_path) |
| |
| def testMkdirRaisesWithSlashDot(self): |
| """mkdir raises exception if mkdir foo/. (trailing /.).""" |
| self.assertRaises(Exception, self.os.mkdir, '/.') |
| directory = '/xyzzy/.' |
| self.assertRaises(Exception, self.os.mkdir, directory) |
| self.filesystem.CreateDirectory('/xyzzy') |
| self.assertRaises(Exception, self.os.mkdir, directory) |
| |
| def testMkdirRaisesWithDoubleDots(self): |
| """mkdir raises exception if mkdir foo/foo2/../foo3.""" |
| self.assertRaises(Exception, self.os.mkdir, '/..') |
| directory = '/xyzzy/dir1/dir2/../../dir3' |
| self.assertRaises(Exception, self.os.mkdir, directory) |
| self.filesystem.CreateDirectory('/xyzzy') |
| self.assertRaises(Exception, self.os.mkdir, directory) |
| self.filesystem.CreateDirectory('/xyzzy/dir1') |
| self.assertRaises(Exception, self.os.mkdir, directory) |
| self.filesystem.CreateDirectory('/xyzzy/dir1/dir2') |
| self.os.mkdir(directory) |
| self.assertTrue(self.filesystem.Exists(directory)) |
| directory = '/xyzzy/dir1/..' |
| self.assertRaises(Exception, self.os.mkdir, directory) |
| |
| def testMkdirRaisesIfParentIsReadOnly(self): |
| """mkdir raises exception if parent is read only.""" |
| directory = '/a' |
| self.os.mkdir(directory) |
| |
| # Change directory permissions to be read only. |
| self.os.chmod(directory, 0o400) |
| |
| directory = '/a/b' |
| self.assertRaises(Exception, self.os.mkdir, directory) |
| |
| def testMakedirs(self): |
| """makedirs can create a directory even in parent does not exist.""" |
| parent = 'xyzzy' |
| directory = '%s/foo' % (parent,) |
| self.assertFalse(self.filesystem.Exists(parent)) |
| self.os.makedirs(directory) |
| self.assertTrue(self.filesystem.Exists(parent)) |
| |
| def testMakedirsRaisesIfParentIsFile(self): |
| """makedirs raises exception if a parent component exists as a file.""" |
| file_path = 'xyzzy' |
| directory = '%s/plugh' % file_path |
| self.filesystem.CreateFile(file_path) |
| self.assertTrue(self.filesystem.Exists(file_path)) |
| self.assertRaises(Exception, self.os.makedirs, directory) |
| |
| def testMakedirsRaisesIfAccessDenied(self): |
| """makedirs raises exception if access denied.""" |
| directory = '/a' |
| self.os.mkdir(directory) |
| |
| # Change directory permissions to be read only. |
| self.os.chmod(directory, 0o400) |
| |
| directory = '/a/b' |
| self.assertRaises(Exception, self.os.makedirs, directory) |
| |
| def _CreateTestFile(self, path): |
| self.filesystem.CreateFile(path) |
| self.assertTrue(self.filesystem.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.filesystem.CreateDirectory(path) |
| self.assertTrue(self.filesystem.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) |
| |
| def testAccess700(self): |
| # set up |
| path = '/some_file' |
| self._CreateTestFile(path) |
| self.os.chmod(path, 0o700) |
| self.assertModeEqual(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 testAccess600(self): |
| # set up |
| path = '/some_file' |
| self._CreateTestFile(path) |
| self.os.chmod(path, 0o600) |
| self.assertModeEqual(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 testAccess400(self): |
| # set up |
| path = '/some_file' |
| self._CreateTestFile(path) |
| self.os.chmod(path, 0o400) |
| self.assertModeEqual(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)) |
| |
| def testAccessNonExistentFile(self): |
| # set up |
| path = '/non/existent/file' |
| self.assertFalse(self.filesystem.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 testChmod(self): |
| # set up |
| path = '/some_file' |
| self._CreateTestFile(path) |
| # actual tests |
| self.os.chmod(path, 0o6543) |
| st = self.os.stat(path) |
| self.assertModeEqual(0o6543, st.st_mode) |
| self.assertTrue(st.st_mode & stat.S_IFREG) |
| self.assertFalse(st.st_mode & stat.S_IFDIR) |
| |
| def testChmodDir(self): |
| # set up |
| path = '/some_dir' |
| self._CreateTestDirectory(path) |
| # actual tests |
| self.os.chmod(path, 0o1234) |
| st = self.os.stat(path) |
| self.assertModeEqual(0o1234, st.st_mode) |
| self.assertFalse(st.st_mode & stat.S_IFREG) |
| self.assertTrue(st.st_mode & stat.S_IFDIR) |
| |
| def testChmodNonExistent(self): |
| # set up |
| path = '/non/existent/file' |
| self.assertFalse(self.filesystem.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 testChmodStCtime(self): |
| # set up |
| file_path = 'some_file' |
| self.filesystem.CreateFile(file_path) |
| self.assertTrue(self.filesystem.Exists(file_path)) |
| 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 testUtimeSetsCurrentTimeIfArgsIsNone(self): |
| # set up |
| path = '/some_file' |
| self._CreateTestFile(path) |
| 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(240, st.st_mtime) |
| |
| def testUtimeSetsCurrentTimeIfArgsIsNoneWithFloats(self): |
| # set up |
| # time.time can report back floats, but it should be converted to ints |
| # since atime/ctime/mtime are all defined as seconds since epoch. |
| time.time = _GetDummyTime(200.0123, 20) |
| path = '/some_file' |
| self._CreateTestFile(path) |
| st = self.os.stat(path) |
| # 200 is the current time established above (if converted to int). |
| 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(240, st.st_mtime) |
| |
| def testUtimeSetsSpecifiedTime(self): |
| # set up |
| path = '/some_file' |
| self._CreateTestFile(path) |
| st = 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 testUtimeDir(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) |
| |
| def testUtimeNonExistent(self): |
| # set up |
| path = '/non/existent/file' |
| self.assertFalse(self.filesystem.Exists(path)) |
| # actual tests |
| try: |
| # Use try-catch to check exception attributes. |
| self.os.utime(path, (1, 2)) |
| 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 testUtimeTupleArgIsOfIncorrectLength(self): |
| # set up |
| path = '/some_dir' |
| self._CreateTestDirectory(path) |
| # actual tests |
| self.assertRaisesWithRegexpMatch( |
| TypeError, r'utime\(\) arg 2 must be a tuple \(atime, mtime\)', |
| self.os.utime, path, (1, 2, 3)) |
| |
| def testUtimeTupleArgContainsIncorrectType(self): |
| # set up |
| path = '/some_dir' |
| self._CreateTestDirectory(path) |
| # actual tests |
| self.assertRaisesWithRegexpMatch( |
| TypeError, 'an integer is required', |
| self.os.utime, path, (1, 'str')) |
| |
| def testChownExistingFile(self): |
| # set up |
| file_path = 'some_file' |
| self.filesystem.CreateFile(file_path) |
| # first set it make sure it's set |
| self.os.chown(file_path, 100, 100) |
| st = self.os.stat(file_path) |
| self.assertEqual(st[stat.ST_UID], 100) |
| self.assertEqual(st[stat.ST_GID], 100) |
| # we can make sure it changed |
| self.os.chown(file_path, 200, 200) |
| st = self.os.stat(file_path) |
| self.assertEqual(st[stat.ST_UID], 200) |
| self.assertEqual(st[stat.ST_GID], 200) |
| # 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], 200) |
| |
| def testChownNonexistingFileShouldRaiseOsError(self): |
| file_path = 'some_file' |
| self.assertFalse(self.filesystem.Exists(file_path)) |
| self.assertRaises(OSError, self.os.chown, file_path, 100, 100) |
| |
| def testClassifyDirectoryContents(self): |
| """Directory classification should work correctly.""" |
| root_directory = '/foo' |
| test_directories = ['bar1', 'baz2'] |
| test_files = ['baz1', 'bar2', 'baz3'] |
| self.filesystem.CreateDirectory(root_directory) |
| for directory in test_directories: |
| directory = self.os.path.join(root_directory, directory) |
| self.filesystem.CreateDirectory(directory) |
| for test_file in test_files: |
| test_file = self.os.path.join(root_directory, test_file) |
| self.filesystem.CreateFile(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) |
| |
| def testClassifyDoesNotHideExceptions(self): |
| """_ClassifyDirectoryContents should not hide exceptions.""" |
| directory = '/foo' |
| self.assertEqual(False, self.filesystem.Exists(directory)) |
| self.assertRaises(OSError, self.os._ClassifyDirectoryContents, directory) |
| |
| def testWalkTopDown(self): |
| """Walk down ordering is correct.""" |
| self.filesystem.CreateFile('foo/1.txt') |
| self.filesystem.CreateFile('foo/bar1/2.txt') |
| self.filesystem.CreateFile('foo/bar1/baz/3.txt') |
| self.filesystem.CreateFile('foo/bar2/4.txt') |
| expected = [ |
| ('foo', ['bar1', 'bar2'], ['1.txt']), |
| ('foo/bar1', ['baz'], ['2.txt']), |
| ('foo/bar1/baz', [], ['3.txt']), |
| ('foo/bar2', [], ['4.txt']), |
| ] |
| self.assertEqual(expected, [step for step in self.os.walk('foo')]) |
| |
| def testWalkBottomUp(self): |
| """Walk up ordering is correct.""" |
| self.filesystem.CreateFile('foo/bar1/baz/1.txt') |
| self.filesystem.CreateFile('foo/bar1/2.txt') |
| self.filesystem.CreateFile('foo/bar2/3.txt') |
| self.filesystem.CreateFile('foo/4.txt') |
| |
| expected = [ |
| ('foo/bar1/baz', [], ['1.txt']), |
| ('foo/bar1', ['baz'], ['2.txt']), |
| ('foo/bar2', [], ['3.txt']), |
| ('foo', ['bar1', 'bar2'], ['4.txt']), |
| ] |
| self.assertEqual(expected, |
| [step for step in self.os.walk('foo', topdown=False)]) |
| |
| def testWalkRaisesIfNonExistent(self): |
| """Raises an exception when attempting to walk non-existent directory.""" |
| directory = '/foo/bar' |
| self.assertEqual(False, self.filesystem.Exists(directory)) |
| generator = self.os.walk(directory) |
| self.assertRaises(StopIteration, next, generator) |
| |
| def testWalkRaisesIfNotDirectory(self): |
| """Raises an exception when attempting to walk a non-directory.""" |
| filename = '/foo/bar' |
| self.filesystem.CreateFile(filename) |
| generator = self.os.walk(filename) |
| self.assertRaises(StopIteration, next, generator) |
| |
| def testMkNodeCanCreateAFile(self): |
| filename = 'foo' |
| self.assertFalse(self.filesystem.Exists(filename)) |
| self.os.mknod(filename) |
| self.assertTrue(self.filesystem.Exists(filename)) |
| |
| def testMkNodeRaisesIfEmptyFileName(self): |
| filename = '' |
| self.assertRaises(OSError, self.os.mknod, filename) |
| |
| def testMkNodeRaisesIfParentDirDoesntExist(self): |
| parent = 'xyzzy' |
| filename = '%s/foo' % (parent,) |
| self.assertFalse(self.filesystem.Exists(parent)) |
| self.assertRaises(OSError, self.os.mknod, filename) |
| |
| def testMkNodeRaisesIfFileExists(self): |
| filename = '/tmp/foo' |
| self.filesystem.CreateFile(filename) |
| self.assertTrue(self.filesystem.Exists(filename)) |
| self.assertRaises(OSError, self.os.mknod, filename) |
| |
| def testMkNodeRaisesIfFilenameIsDot(self): |
| filename = '/tmp/.' |
| self.assertRaises(OSError, self.os.mknod, filename) |
| |
| def testMkNodeRaisesIfFilenameIsDoubleDot(self): |
| filename = '/tmp/..' |
| self.assertRaises(OSError, self.os.mknod, filename) |
| |
| def testMknodEmptyTailForExistingFileRaises(self): |
| filename = '/tmp/foo' |
| self.filesystem.CreateFile(filename) |
| self.assertTrue(self.filesystem.Exists(filename)) |
| self.assertRaises(OSError, self.os.mknod, filename) |
| |
| def testMknodEmptyTailForNonexistentFileRaises(self): |
| filename = '/tmp/foo' |
| self.assertRaises(OSError, self.os.mknod, filename) |
| |
| def testMknodRaisesIfFilenameIsEmptyString(self): |
| filename = '' |
| self.assertRaises(OSError, self.os.mknod, filename) |
| |
| def testMknodeRaisesIfUnsupportedOptions(self): |
| filename = 'abcde' |
| self.assertRaises(OSError, self.os.mknod, filename, |
| mode=stat.S_IFCHR) |
| |
| def testMknodeRaisesIfParentIsNotADirectory(self): |
| filename1 = '/tmp/foo' |
| self.filesystem.CreateFile(filename1) |
| self.assertTrue(self.filesystem.Exists(filename1)) |
| filename2 = '/tmp/foo/bar' |
| self.assertRaises(OSError, self.os.mknod, filename2) |
| |
| 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 testWalkCallsOnErrorIfNonExistent(self): |
| """Calls onerror with correct errno when walking non-existent directory.""" |
| self.ResetErrno() |
| directory = '/foo/bar' |
| self.assertEqual(False, self.filesystem.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 unused_entry in self.os.walk(directory, onerror=self.StoreErrno): |
| pass |
| self.assertTrue(self.GetErrno() in (errno.ENOTDIR, errno.ENOENT)) |
| |
| def testWalkCallsOnErrorIfNotDirectory(self): |
| """Calls onerror with correct errno when walking non-directory.""" |
| self.ResetErrno() |
| filename = '/foo/bar' |
| self.filesystem.CreateFile(filename) |
| self.assertEqual(True, self.filesystem.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 unused_entry in self.os.walk(filename, onerror=self.StoreErrno): |
| pass |
| self.assertTrue(self.GetErrno() in (errno.ENOTDIR, errno.EACCES)) |
| |
| def testWalkSkipsRemovedDirectories(self): |
| """Caller can modify list of directories to visit while walking.""" |
| root = '/foo' |
| visit = 'visit' |
| no_visit = 'no_visit' |
| self.filesystem.CreateFile('%s/bar' % (root,)) |
| self.filesystem.CreateFile('%s/%s/1.txt' % (root, visit)) |
| self.filesystem.CreateFile('%s/%s/2.txt' % (root, visit)) |
| self.filesystem.CreateFile('%s/%s/3.txt' % (root, no_visit)) |
| self.filesystem.CreateFile('%s/%s/4.txt' % (root, no_visit)) |
| |
| generator = self.os.walk('/foo') |
| root_contents = next(generator) |
| root_contents[1].remove(no_visit) |
| |
| visited_visit_directory = False |
| |
| for root, unused_dirs, unused_files in iter(generator): |
| self.assertEqual(False, root.endswith('/%s' % (no_visit))) |
| if root.endswith('/%s' % (visit)): |
| visited_visit_directory = True |
| |
| self.assertEqual(True, visited_visit_directory) |
| |
| def testSymlink(self): |
| file_path = 'foo/bar/baz' |
| self.os.symlink('bogus', file_path) |
| self.assertTrue(self.os.path.lexists(file_path)) |
| self.assertFalse(self.os.path.exists(file_path)) |
| self.filesystem.CreateFile('foo/bar/bogus') |
| self.assertTrue(self.os.path.lexists(file_path)) |
| self.assertTrue(self.os.path.exists(file_path)) |
| |
| def testUMask(self): |
| umask = os.umask(0o22) |
| os.umask(umask) |
| self.assertEqual(umask, self.os.umask(0o22)) |
| |
| def testMkdirUmaskApplied(self): |
| """mkdir creates a directory with umask applied.""" |
| self.os.umask(0o22) |
| self.os.mkdir('dir1') |
| self.assertModeEqual(0o755, self.os.stat('dir1').st_mode) |
| self.os.umask(0o67) |
| self.os.mkdir('dir2') |
| self.assertModeEqual(0o710, self.os.stat('dir2').st_mode) |
| |
| def testMakedirsUmaskApplied(self): |
| """makedirs creates a directories with umask applied.""" |
| self.os.umask(0o22) |
| self.os.makedirs('/p1/dir1') |
| self.assertModeEqual(0o755, self.os.stat('/p1').st_mode) |
| self.assertModeEqual(0o755, self.os.stat('/p1/dir1').st_mode) |
| self.os.umask(0o67) |
| self.os.makedirs('/p2/dir2') |
| self.assertModeEqual(0o710, self.os.stat('/p2').st_mode) |
| self.assertModeEqual(0o710, self.os.stat('/p2/dir2').st_mode) |
| |
| def testMknodeUmaskApplied(self): |
| """mkdir creates a device with umask applied.""" |
| self.os.umask(0o22) |
| self.os.mknod('nod1') |
| self.assertModeEqual(0o644, self.os.stat('nod1').st_mode) |
| self.os.umask(0o27) |
| self.os.mknod('nod2') |
| self.assertModeEqual(0o640, self.os.stat('nod2').st_mode) |
| |
| def testOpenUmaskApplied(self): |
| """open creates a file with umask applied.""" |
| fake_open = fake_filesystem.FakeFileOpen(self.filesystem) |
| self.os.umask(0o22) |
| fake_open('file1', 'w').close() |
| self.assertModeEqual(0o644, self.os.stat('file1').st_mode) |
| self.os.umask(0o27) |
| fake_open('file2', 'w').close() |
| self.assertModeEqual(0o640, self.os.stat('file2').st_mode) |
| |
| |
| 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 testFileSizeUpdatedViaClose(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.GetObject(file_path).contents) |
| fh.write(content) |
| self.assertEqual(0, self.os.stat(file_path)[stat.ST_SIZE]) |
| self.assertEqual('', self.filesystem.GetObject(file_path).contents) |
| fh.close() |
| self.assertEqual(len(content), self.os.stat(file_path)[stat.ST_SIZE]) |
| self.assertEqual(content, self.filesystem.GetObject(file_path).contents) |
| |
| def testFileSizeNotResetAfterClose(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.CreateFile(file_path, st_size=size) |
| fh = self.open(file_path, 'r') |
| fh.close() |
| self.assertEqual(size, self.open(file_path, 'r').Size()) |
| |
| def testFileSizeAfterWrite(self): |
| file_path = 'test_file' |
| original_content = 'abcdef' |
| original_size = len(original_content) |
| self.filesystem.CreateFile(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(expected_size, fh.Size()) |
| fh.close() |
| self.assertEqual(expected_size, self.open(file_path, 'r').Size()) |
| |
| def testLargeFileSizeAfterWrite(self): |
| file_path = 'test_file' |
| original_content = 'abcdef' |
| original_size = len(original_content) |
| self.filesystem.CreateFile(file_path, st_size=original_size) |
| added_content = 'foo bar' |
| fh = self.open(file_path, 'a') |
| # We can't use assertRaises, because the exception is thrown |
| # in __getattr__, so just saying 'fh.write' causes the exception. |
| try: |
| fh.write(added_content) |
| except fake_filesystem.FakeLargeFileIoException: |
| return |
| self.fail('Writing to a large file should not be allowed') |
| |
| def testFileSizeUpdatedViaFlush(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.GetObject(file_path).contents) |
| fh.write(content) |
| self.assertEqual(0, self.os.stat(file_path)[stat.ST_SIZE]) |
| self.assertEqual('', self.filesystem.GetObject(file_path).contents) |
| fh.flush() |
| self.assertEqual(len(content), self.os.stat(file_path)[stat.ST_SIZE]) |
| self.assertEqual(content, self.filesystem.GetObject(file_path).contents) |
| fh.close() |
| self.assertEqual(len(content), self.os.stat(file_path)[stat.ST_SIZE]) |
| self.assertEqual(content, self.filesystem.GetObject(file_path).contents) |
| |
| def testFileSizeTruncation(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.GetObject(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.GetObject(file_path).contents) |
| fh.close() |
| |
| |
| class OsPathInjectionRegressionTest(TestCase): |
| """Test faking os.path before calling os.walk. |
| |
| Found when investigating a problem with |
| gws/tools/labrat/rat_utils_unittest, which was faking out os.path |
| before calling os.walk. |
| """ |
| |
| def setUp(self): |
| self.filesystem = fake_filesystem.FakeFilesystem(path_separator='/') |
| self.os_path = os.path |
| # The bug was that when os.path gets faked, the FakePathModule doesn't get |
| # called in self.os.walk(). FakePathModule now insists that it is created |
| # as part of FakeOsModule. |
| self.os = fake_filesystem.FakeOsModule(self.filesystem) |
| |
| def tearDown(self): |
| os.path = self.os_path |
| |
| def testCreateTopLevelDirectory(self): |
| top_level_dir = '/x' |
| self.assertFalse(self.filesystem.Exists(top_level_dir)) |
| self.filesystem.CreateDirectory(top_level_dir) |
| self.assertTrue(self.filesystem.Exists('/')) |
| self.assertTrue(self.filesystem.Exists(top_level_dir)) |
| self.filesystem.CreateDirectory('%s/po' % top_level_dir) |
| self.filesystem.CreateFile('%s/po/control' % top_level_dir) |
| self.filesystem.CreateFile('%s/po/experiment' % top_level_dir) |
| self.filesystem.CreateDirectory('%s/gv' % top_level_dir) |
| self.filesystem.CreateFile('%s/gv/control' % top_level_dir) |
| |
| expected = [ |
| ('/', ['x'], []), |
| ('/x', ['gv', 'po'], []), |
| ('/x/gv', [], ['control']), |
| ('/x/po', [], ['control', 'experiment']), |
| ] |
| self.assertEqual(expected, [step for step in self.os.walk('/')]) |
| |
| |
| class FakePathModuleTest(TestCase): |
| def setUp(self): |
| self.orig_time = time.time |
| time.time = _GetDummyTime(10, 1) |
| self.filesystem = fake_filesystem.FakeFilesystem(path_separator='/') |
| self.os = fake_filesystem.FakeOsModule(self.filesystem) |
| self.path = self.os.path |
| |
| def tearDown(self): |
| time.time = self.orig_time |
| |
| def testAbspath(self): |
| """abspath should return a consistent representation of a file.""" |
| filename = 'foo' |
| abspath = '/%s' % filename |
| self.filesystem.CreateFile(abspath) |
| self.assertEqual(abspath, self.path.abspath(abspath)) |
| self.assertEqual(abspath, self.path.abspath(filename)) |
| self.assertEqual(abspath, self.path.abspath('../%s' % filename)) |
| |
| def testAbspathDealsWithRelativeNonRootPath(self): |
| """abspath should correctly handle relative paths from a non-/ directory. |
| |
| This test is distinct from the basic functionality test because |
| fake_filesystem has historically been based in /. |
| """ |
| filename = '/foo/bar/baz' |
| file_components = filename.split(self.path.sep) |
| basedir = '/%s' % (file_components[0],) |
| self.filesystem.CreateFile(filename) |
| self.os.chdir(basedir) |
| self.assertEqual(basedir, self.path.abspath(self.path.curdir)) |
| self.assertEqual('/', self.path.abspath('..')) |
| self.assertEqual(self.path.join(basedir, file_components[1]), |
| self.path.abspath(file_components[1])) |
| |
| def testRelpath(self): |
| path_foo = '/path/to/foo' |
| path_bar = '/path/to/bar' |
| path_other = '/some/where/else' |
| self.assertRaises(ValueError, self.path.relpath, None) |
| self.assertRaises(ValueError, self.path.relpath, '') |
| self.assertEqual(path_foo[1:], |
| self.path.relpath(path_foo)) |
| self.assertEqual('../foo', |
| self.path.relpath(path_foo, path_bar)) |
| self.assertEqual('../../..%s' % path_other, |
| self.path.relpath(path_other, path_bar)) |
| self.assertEqual('.', |
| self.path.relpath(path_bar, path_bar)) |
| |
| @unittest.skipIf(TestCase.is_windows, 'realpath does not follow symlinks in win32') |
| def testRealpathVsAbspath(self): |
| self.filesystem.CreateFile('/george/washington/bridge') |
| self.filesystem.CreateLink('/first/president', '/george/washington') |
| self.assertEqual('/first/president/bridge', |
| self.os.path.abspath('/first/president/bridge')) |
| self.assertEqual('/george/washington/bridge', |
| self.os.path.realpath('/first/president/bridge')) |
| self.os.chdir('/first/president') |
| self.assertEqual('/george/washington/bridge', |
| self.os.path.realpath('bridge')) |
| |
| def testExists(self): |
| file_path = 'foo/bar/baz' |
| self.filesystem.CreateFile(file_path) |
| self.assertTrue(self.path.exists(file_path)) |
| self.assertFalse(self.path.exists('/some/other/bogus/path')) |
| |
| def testLexists(self): |
| file_path = 'foo/bar/baz' |
| self.filesystem.CreateDirectory('foo/bar') |
| self.filesystem.CreateLink(file_path, 'bogus') |
| self.assertTrue(self.path.lexists(file_path)) |
| self.assertFalse(self.path.exists(file_path)) |
| self.filesystem.CreateFile('foo/bar/bogus') |
| self.assertTrue(self.path.exists(file_path)) |
| |
| def testDirname(self): |
| dirname = 'foo/bar' |
| self.assertEqual(dirname, self.path.dirname('%s/baz' % dirname)) |
| |
| def testJoin(self): |
| components = ['foo', 'bar', 'baz'] |
| self.assertEqual('foo/bar/baz', self.path.join(*components)) |
| |
| def testExpandUser(self): |
| if self.is_windows: |
| self.assertEqual(self.path.expanduser('~'), |
| self.os.environ['USERPROFILE'].replace('\\', '/')) |
| else: |
| self.assertEqual(self.path.expanduser('~'), |
| self.os.environ['HOME']) |
| |
| @unittest.skipIf(TestCase.is_windows or TestCase.is_cygwin, |
| 'only tested on unix systems') |
| def testExpandRoot(self): |
| self.assertEqual('/root', self.path.expanduser('~root')) |
| |
| def testGetsizePathNonexistent(self): |
| file_path = 'foo/bar/baz' |
| self.assertRaises(IOError, self.path.getsize, file_path) |
| |
| def testGetsizeFileEmpty(self): |
| file_path = 'foo/bar/baz' |
| self.filesystem.CreateFile(file_path) |
| self.assertEqual(0, self.path.getsize(file_path)) |
| |
| def testGetsizeFileNonZeroSize(self): |
| file_path = 'foo/bar/baz' |
| self.filesystem.CreateFile(file_path, contents='1234567') |
| self.assertEqual(7, self.path.getsize(file_path)) |
| |
| def testGetsizeDirEmpty(self): |
| # For directories, only require that the size is non-negative. |
| dir_path = 'foo/bar' |
| self.filesystem.CreateDirectory(dir_path) |
| size = self.path.getsize(dir_path) |
| self.assertFalse(int(size) < 0, |
| 'expected non-negative size; actual: %s' % size) |
| |
| def testGetsizeDirNonZeroSize(self): |
| # For directories, only require that the size is non-negative. |
| dir_path = 'foo/bar' |
| self.filesystem.CreateFile(self.filesystem.JoinPaths(dir_path, 'baz')) |
| size = self.path.getsize(dir_path) |
| self.assertFalse(int(size) < 0, |
| 'expected non-negative size; actual: %s' % size) |
| |
| def testIsdir(self): |
| self.filesystem.CreateFile('foo/bar') |
| self.assertTrue(self.path.isdir('foo')) |
| self.assertFalse(self.path.isdir('foo/bar')) |
| self.assertFalse(self.path.isdir('it_dont_exist')) |
| |
| def testIsdirWithCwdChange(self): |
| self.filesystem.CreateFile('/foo/bar/baz') |
| self.assertTrue(self.path.isdir('/foo')) |
| self.assertTrue(self.path.isdir('/foo/bar')) |
| self.assertTrue(self.path.isdir('foo')) |
| self.assertTrue(self.path.isdir('foo/bar')) |
| self.filesystem.cwd = '/foo' |
| self.assertTrue(self.path.isdir('/foo')) |
| self.assertTrue(self.path.isdir('/foo/bar')) |
| self.assertTrue(self.path.isdir('bar')) |
| |
| def testIsfile(self): |
| self.filesystem.CreateFile('foo/bar') |
| self.assertFalse(self.path.isfile('foo')) |
| self.assertTrue(self.path.isfile('foo/bar')) |
| self.assertFalse(self.path.isfile('it_dont_exist')) |
| |
| def testGetMtime(self): |
| test_file = self.filesystem.CreateFile('foo/bar1.txt') |
| # The root directory ('', effectively '/') is created at time 10, |
| # the parent directory ('foo') at time 11, and the file at time 12. |
| self.assertEqual(12, test_file.st_mtime) |
| test_file.SetMTime(24) |
| self.assertEqual(24, self.path.getmtime('foo/bar1.txt')) |
| |
| def testGetMtimeRaisesOSError(self): |
| self.assertFalse(self.path.exists('it_dont_exist')) |
| self.assertRaises(OSError, self.path.getmtime, 'it_dont_exist') |
| |
| def testIslink(self): |
| self.filesystem.CreateDirectory('foo') |
| self.filesystem.CreateFile('foo/regular_file') |
| self.filesystem.CreateLink('foo/link_to_file', 'regular_file') |
| self.assertFalse(self.path.islink('foo')) |
| |
| # An object can be both a link and a file or file, according to the |
| # comments in Python/Lib/posixpath.py. |
| self.assertTrue(self.path.islink('foo/link_to_file')) |
| self.assertTrue(self.path.isfile('foo/link_to_file')) |
| |
| self.assertTrue(self.path.isfile('foo/regular_file')) |
| self.assertFalse(self.path.islink('foo/regular_file')) |
| |
| self.assertFalse(self.path.islink('it_dont_exist')) |
| |
| @unittest.skipIf(sys.version_info >= (3, 0) or TestCase.is_windows, |
| 'os.path.walk deprecrated in Python 3, cannot be properly ' |
| 'tested in win32') |
| def testWalk(self): |
| self.filesystem.CreateFile('/foo/bar/baz') |
| self.filesystem.CreateFile('/foo/bar/xyzzy/plugh') |
| visited_nodes = [] |
| |
| def RecordVisitedNodes(visited, dirname, fnames): |
| visited.extend(((dirname, fname) for fname in fnames)) |
| |
| self.path.walk('/foo', RecordVisitedNodes, visited_nodes) |
| expected = [('/foo', 'bar'), |
| ('/foo/bar', 'baz'), |
| ('/foo/bar', 'xyzzy'), |
| ('/foo/bar/xyzzy', 'plugh')] |
| self.assertEqual(expected, visited_nodes) |
| |
| @unittest.skipIf(sys.version_info >= (3, 0) or TestCase.is_windows, |
| 'os.path.walk deprecrated in Python 3, cannot be properly ' |
| 'tested in win32') |
| def testWalkFromNonexistentTopDoesNotThrow(self): |
| visited_nodes = [] |
| |
| def RecordVisitedNodes(visited, dirname, fnames): |
| visited.extend(((dirname, fname) for fname in fnames)) |
| |
| self.path.walk('/foo', RecordVisitedNodes, visited_nodes) |
| self.assertEqual([], visited_nodes) |
| |
| |
| class FakeFileOpenTestBase(TestCase): |
| def setUp(self): |
| self.filesystem = fake_filesystem.FakeFilesystem(path_separator='/') |
| self.file = fake_filesystem.FakeFileOpen(self.filesystem) |
| self.open = self.file |
| self.os = fake_filesystem.FakeOsModule(self.filesystem) |
| self.orig_time = time.time |
| time.time = _GetDummyTime(100, 10) |
| |
| def tearDown(self): |
| time.time = self.orig_time |
| |
| |
| class FakeFileOpenTest(FakeFileOpenTestBase): |
| def testOpenNoParentDir(self): |
| """Expect raise when open'ing a file in a missing directory.""" |
| file_path = 'foo/bar.txt' |
| self.assertRaises(IOError, self.file, file_path, 'w') |
| |
| def testDeleteOnClose(self): |
| file_dir = 'boo' |
| file_path = 'boo/far' |
| self.os.mkdir(file_dir) |
| self.file = fake_filesystem.FakeFileOpen(self.filesystem, |
| delete_on_close=True) |
| fh = self.file(file_path, 'w') |
| self.assertTrue(self.filesystem.Exists(file_path)) |
| fh.close() |
| self.assertFalse(self.filesystem.Exists(file_path)) |
| |
| def testNoDeleteOnCloseByDefault(self): |
| file_dir = 'boo' |
| file_path = 'boo/czar' |
| self.file = fake_filesystem.FakeFileOpen(self.filesystem) |
| self.os.mkdir(file_dir) |
| fh = self.file(file_path, 'w') |
| self.assertTrue(self.filesystem.Exists(file_path)) |
| fh.close() |
| self.assertTrue(self.filesystem.Exists(file_path)) |
| |
| def testCompatibilityOfWithStatement(self): |
| self.file = fake_filesystem.FakeFileOpen(self.filesystem, |
| delete_on_close=True) |
| file_path = 'foo' |
| self.assertFalse(self.filesystem.Exists(file_path)) |
| with self.file(file_path, 'w') as _: |
| self.assertTrue(self.filesystem.Exists(file_path)) |
| # After the 'with' statement, the close() method should have been called. |
| self.assertFalse(self.filesystem.Exists(file_path)) |
| |
| def testOpenValidFile(self): |
| contents = [ |
| 'I am he as\n', |
| 'you are he as\n', |
| 'you are me and\n', |
| 'we are all together\n' |
| ] |
| file_path = 'foo/bar.txt' |
| self.filesystem.CreateFile(file_path, contents=''.join(contents)) |
| self.assertEqual(contents, self.file(file_path).readlines()) |
| |
| def testOpenValidArgs(self): |
| contents = [ |
| "Bang bang Maxwell's silver hammer\n", |
| 'Came down on her head', |
| ] |
| file_path = 'abbey_road/maxwell' |
| self.filesystem.CreateFile(file_path, contents=''.join(contents)) |
| self.assertEqual( |
| contents, self.open(file_path, mode='r', buffering=1).readlines()) |
| if sys.version_info >= (3, 0): |
| self.assertEqual( |
| contents, self.open(file_path, mode='r', buffering=1, |
| encoding='utf-8', errors='strict', newline='\n', |
| closefd=False, opener=False).readlines()) |
| |
| @unittest.skipIf(sys.version_info < (3, 0), 'only tested on 3.0 or greater') |
| def testOpenNewlineArg(self): |
| file_path = 'some_file' |
| file_contents = 'two\r\nlines' |
| self.filesystem.CreateFile(file_path, contents=file_contents) |
| fake_file = self.open(file_path, mode='r', newline=None) |
| self.assertEqual(['two\n', 'lines'], fake_file.readlines()) |
| fake_file = self.open(file_path, mode='r', newline='') |
| self.assertEqual(['two\r\n', 'lines'], fake_file.readlines()) |
| fake_file = self.open(file_path, mode='r', newline='\r') |
| self.assertEqual(['two\r', '\r', 'lines'], fake_file.readlines()) |
| fake_file = self.open(file_path, mode='r', newline='\n') |
| self.assertEqual(['two\r\n', 'lines'], fake_file.readlines()) |
| fake_file = self.open(file_path, mode='r', newline='\r\n') |
| self.assertEqual(['two\r\r\n', 'lines'], fake_file.readlines()) |
| |
| def testOpenValidFileWithCwd(self): |
| contents = [ |
| 'I am he as\n', |
| 'you are he as\n', |
| 'you are me and\n', |
| 'we are all together\n' |
| ] |
| file_path = '/foo/bar.txt' |
| self.filesystem.CreateFile(file_path, contents=''.join(contents)) |
| self.filesystem.cwd = '/foo' |
| self.assertEqual(contents, self.file(file_path).readlines()) |
| |
| def testIterateOverFile(self): |
| contents = [ |
| "Bang bang Maxwell's silver hammer", |
| 'Came down on her head', |
| ] |
| file_path = 'abbey_road/maxwell' |
| self.filesystem.CreateFile(file_path, contents='\n'.join(contents)) |
| result = [line.rstrip() for line in self.file(file_path)] |
| self.assertEqual(contents, result) |
| |
| def testOpenDirectoryError(self): |
| directory_path = 'foo/bar' |
| self.filesystem.CreateDirectory(directory_path) |
| self.assertRaises(IOError, self.file.__call__, directory_path) |
| |
| def testCreateFileWithWrite(self): |
| contents = [ |
| "Here comes the sun, little darlin'", |
| 'Here comes the sun, and I say,', |
| "It's alright", |
| ] |
| file_dir = 'abbey_road' |
| file_path = 'abbey_road/here_comes_the_sun' |
| self.os.mkdir(file_dir) |
| fake_file = self.file(file_path, 'w') |
| for line in contents: |
| fake_file.write(line + '\n') |
| fake_file.close() |
| result = [line.rstrip() for line in self.file(file_path)] |
| self.assertEqual(contents, result) |
| |
| def testCreateFileWithAppend(self): |
| contents = [ |
| "Here comes the sun, little darlin'", |
| 'Here comes the sun, and I say,', |
| "It's alright", |
| ] |
| file_dir = 'abbey_road' |
| file_path = 'abbey_road/here_comes_the_sun' |
| self.os.mkdir(file_dir) |
| fake_file = self.file(file_path, 'a') |
| for line in contents: |
| fake_file.write(line + '\n') |
| fake_file.close() |
| result = [line.rstrip() for line in self.file(file_path)] |
| self.assertEqual(contents, result) |
| |
| def testOverwriteExistingFile(self): |
| file_path = 'overwrite/this/file' |
| self.filesystem.CreateFile(file_path, contents='To disappear') |
| new_contents = [ |
| 'Only these lines', |
| 'should be in the file.', |
| ] |
| fake_file = self.file(file_path, 'w') |
| for line in new_contents: |
| fake_file.write(line + '\n') |
| fake_file.close() |
| result = [line.rstrip() for line in self.file(file_path)] |
| self.assertEqual(new_contents, result) |
| |
| def testAppendExistingFile(self): |
| file_path = 'append/this/file' |
| contents = [ |
| 'Contents of original file' |
| 'Appended contents', |
| ] |
| self.filesystem.CreateFile(file_path, contents=contents[0]) |
| fake_file = self.file(file_path, 'a') |
| for line in contents[1:]: |
| fake_file.write(line + '\n') |
| fake_file.close() |
| result = [line.rstrip() for line in self.file(file_path)] |
| self.assertEqual(contents, result) |
| |
| def testOpenWithWplus(self): |
| # set up |
| file_path = 'wplus_file' |
| self.filesystem.CreateFile(file_path, contents='old contents') |
| self.assertTrue(self.filesystem.Exists(file_path)) |
| fake_file = self.file(file_path, 'r') |
| self.assertEqual('old contents', fake_file.read()) |
| fake_file.close() |
| # actual tests |
| fake_file = self.file(file_path, 'w+') |
| fake_file.write('new contents') |
| fake_file.seek(0) |
| self.assertTrue('new contents', fake_file.read()) |
| fake_file.close() |
| |
| def testOpenWithWplusTruncation(self): |
| # set up |
| file_path = 'wplus_file' |
| self.filesystem.CreateFile(file_path, contents='old contents') |
| self.assertTrue(self.filesystem.Exists(file_path)) |
| fake_file = self.file(file_path, 'r') |
| self.assertEqual('old contents', fake_file.read()) |
| fake_file.close() |
| # actual tests |
| fake_file = self.file(file_path, 'w+') |
| fake_file.seek(0) |
| self.assertEqual('', fake_file.read()) |
| fake_file.close() |
| |
| def testOpenWithAppendFlag(self): |
| contents = [ |
| 'I am he as\n', |
| 'you are he as\n', |
| 'you are me and\n', |
| 'we are all together\n' |
| ] |
| additional_contents = [ |
| 'These new lines\n', |
| 'like you a lot.\n' |
| ] |
| file_path = 'append/this/file' |
| self.filesystem.CreateFile(file_path, contents=''.join(contents)) |
| fake_file = self.file(file_path, 'a') |
| self.assertRaises(IOError, fake_file.read) |
| self.assertEqual('', fake_file.read(0)) |
| self.assertEqual('', fake_file.readline(0)) |
| self.assertEqual(len(''.join(contents)), fake_file.tell()) |
| fake_file.seek(0) |
| self.assertEqual(0, fake_file.tell()) |
| fake_file.writelines(additional_contents) |
| fake_file.close() |
| result = self.file(file_path).readlines() |
| self.assertEqual(contents + additional_contents, result) |
| |
| def testAppendWithAplus(self): |
| # set up |
| file_path = 'aplus_file' |
| self.filesystem.CreateFile(file_path, contents='old contents') |
| self.assertTrue(self.filesystem.Exists(file_path)) |
| fake_file = self.file(file_path, 'r') |
| self.assertEqual('old contents', fake_file.read()) |
| fake_file.close() |
| # actual tests |
| fake_file = self.file(file_path, 'a+') |
| self.assertEqual(0, fake_file.tell()) |
| fake_file.seek(6, 1) |
| fake_file.write('new contents') |
| self.assertEqual(24, fake_file.tell()) |
| fake_file.seek(0) |
| self.assertEqual('old contentsnew contents', fake_file.read()) |
| fake_file.close() |
| |
| def testAppendWithAplusReadWithLoop(self): |
| # set up |
| file_path = 'aplus_file' |
| self.filesystem.CreateFile(file_path, contents='old contents') |
| self.assertTrue(self.filesystem.Exists(file_path)) |
| fake_file = self.file(file_path, 'r') |
| self.assertEqual('old contents', fake_file.read()) |
| fake_file.close() |
| # actual tests |
| fake_file = self.file(file_path, 'a+') |
| fake_file.seek(0) |
| fake_file.write('new contents') |
| fake_file.seek(0) |
| for line in fake_file: |
| self.assertEqual('old contentsnew contents', line) |
| fake_file.close() |
| |
| def testReadEmptyFileWithAplus(self): |
| file_path = 'aplus_file' |
| fake_file = self.file(file_path, 'a+') |
| self.assertEqual('', fake_file.read()) |
| fake_file.close() |
| |
| def testReadWithRplus(self): |
| # set up |
| file_path = 'rplus_file' |
| self.filesystem.CreateFile(file_path, contents='old contents here') |
| self.assertTrue(self.filesystem.Exists(file_path)) |
| fake_file = self.file(file_path, 'r') |
| self.assertEqual('old contents here', fake_file.read()) |
| fake_file.close() |
| # actual tests |
| fake_file = self.file(file_path, 'r+') |
| self.assertEqual('old contents here', fake_file.read()) |
| fake_file.seek(0) |
| fake_file.write('new contents') |
| fake_file.seek(0) |
| self.assertEqual('new contents here', fake_file.read()) |
| fake_file.close() |
| |
| def testOpenStCtime(self): |
| # set up |
| file_path = 'some_file' |
| self.assertFalse(self.filesystem.Exists(file_path)) |
| # tests |
| fake_file = self.file(file_path, 'w') |
| fake_file.close() |
| st = self.os.stat(file_path) |
| self.assertEqual(100, st.st_ctime) |
| |
| fake_file = self.file(file_path, 'w') |
| fake_file.close() |
| st = self.os.stat(file_path) |
| self.assertEqual(110, st.st_ctime) |
| |
| fake_file = self.file(file_path, 'w+') |
| fake_file.close() |
| st = self.os.stat(file_path) |
| self.assertEqual(120, st.st_ctime) |
| |
| fake_file = self.file(file_path, 'r') |
| fake_file.close() |
| st = self.os.stat(file_path) |
| self.assertEqual(120, st.st_ctime) |
| |
| def _CreateWithPermission(self, file_path, perm_bits): |
| self.filesystem.CreateFile(file_path) |
| self.os.chmod(file_path, perm_bits) |
| st = self.os.stat(file_path) |
| self.assertModeEqual(perm_bits, st.st_mode) |
| self.assertTrue(st.st_mode & stat.S_IFREG) |
| self.assertFalse(st.st_mode & stat.S_IFDIR) |
| |
| def testOpenFlags700(self): |
| # set up |
| file_path = 'target_file' |
| self._CreateWithPermission(file_path, 0o700) |
| # actual tests |
| self.file(file_path, 'r').close() |
| self.file(file_path, 'w').close() |
| self.file(file_path, 'w+').close() |
| self.assertRaises(IOError, self.file, file_path, 'INV') |
| |
| def testOpenFlags400(self): |
| # set up |
| file_path = 'target_file' |
| self._CreateWithPermission(file_path, 0o400) |
| # actual tests |
| self.file(file_path, 'r').close() |
| self.assertRaises(IOError, self.file, file_path, 'w') |
| self.assertRaises(IOError, self.file, file_path, 'w+') |
| |
| def testOpenFlags200(self): |
| # set up |
| file_path = 'target_file' |
| self._CreateWithPermission(file_path, 0o200) |
| # actual tests |
| self.assertRaises(IOError, self.file, file_path, 'r') |
| self.file(file_path, 'w').close() |
| self.assertRaises(IOError, self.file, file_path, 'w+') |
| |
| def testOpenFlags100(self): |
| # set up |
| file_path = 'target_file' |
| self._CreateWithPermission(file_path, 0o100) |
| # actual tests 4 |
| self.assertRaises(IOError, self.file, file_path, 'r') |
| self.assertRaises(IOError, self.file, file_path, 'w') |
| self.assertRaises(IOError, self.file, file_path, 'w+') |
| |
| def testFollowLinkRead(self): |
| link_path = '/foo/bar/baz' |
| target = '/tarJAY' |
| target_contents = 'real baz contents' |
| self.filesystem.CreateFile(target, contents=target_contents) |
| self.filesystem.CreateLink(link_path, target) |
| self.assertEqual(target, self.os.readlink(link_path)) |
| fh = self.open(link_path, 'r') |
| got_contents = fh.read() |
| fh.close() |
| self.assertEqual(target_contents, got_contents) |
| |
| def testFollowLinkWrite(self): |
| link_path = '/foo/bar/TBD' |
| target = '/tarJAY' |
| target_contents = 'real baz contents' |
| self.filesystem.CreateLink(link_path, target) |
| self.assertFalse(self.filesystem.Exists(target)) |
| |
| fh = self.open(link_path, 'w') |
| fh.write(target_contents) |
| fh.close() |
| fh = self.open(target, 'r') |
| got_contents = fh.read() |
| fh.close() |
| self.assertEqual(target_contents, got_contents) |
| |
| def testFollowIntraPathLinkWrite(self): |
| # Test a link in the middle of of a file path. |
| link_path = '/foo/build/local_machine/output/1' |
| target = '/tmp/output/1' |
| self.filesystem.CreateDirectory('/tmp/output') |
| self.filesystem.CreateLink('/foo/build/local_machine', '/tmp') |
| self.assertFalse(self.filesystem.Exists(link_path)) |
| self.assertFalse(self.filesystem.Exists(target)) |
| |
| target_contents = 'real baz contents' |
| fh = self.open(link_path, 'w') |
| fh.write(target_contents) |
| fh.close() |
| fh = self.open(target, 'r') |
| got_contents = fh.read() |
| fh.close() |
| self.assertEqual(target_contents, got_contents) |
| |
| def testFileDescriptorsForDifferentFiles(self): |
| first_path = 'some_file1' |
| second_path = 'some_file2' |
| third_path = 'some_file3' |
| self.filesystem.CreateFile(first_path, contents='contents here1') |
| self.filesystem.CreateFile(second_path, contents='contents here2') |
| self.filesystem.CreateFile(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') |
| self.assertEqual(0, fake_file1.fileno()) |
| self.assertEqual(1, fake_file2.fileno()) |
| self.assertEqual(2, fake_file3.fileno()) |
| |
| def testFileDescriptorsForTheSameFileAreDifferent(self): |
| first_path = 'some_file1' |
| second_path = 'some_file2' |
| self.filesystem.CreateFile(first_path, contents='contents here1') |
| self.filesystem.CreateFile(second_path, contents='contents here2') |
| |
| fake_file1 = self.open(first_path, 'r') |
| fake_file2 = self.open(second_path, 'r') |
| fake_file1a = self.open(first_path, 'r') |
| self.assertEqual(0, fake_file1.fileno()) |
| self.assertEqual(1, fake_file2.fileno()) |
| self.assertEqual(2, fake_file1a.fileno()) |
| |
| def testReusedFileDescriptorsDoNotAffectOthers(self): |
| first_path = 'some_file1' |
| second_path = 'some_file2' |
| third_path = 'some_file3' |
| self.filesystem.CreateFile(first_path, contents='contents here1') |
| self.filesystem.CreateFile(second_path, contents='contents here2') |
| self.filesystem.CreateFile(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') |
| fake_file1a = self.open(first_path, 'r') |
| self.assertEqual(0, fake_file1.fileno()) |
| self.assertEqual(1, fake_file2.fileno()) |
| self.assertEqual(2, fake_file3.fileno()) |
| self.assertEqual(3, fake_file1a.fileno()) |
| |
| fake_file1.close() |
| fake_file2.close() |
| fake_file2 = self.open(second_path, 'r') |
| fake_file1b = self.open(first_path, 'r') |
| self.assertEqual(0, fake_file2.fileno()) |
| self.assertEqual(1, fake_file1b.fileno()) |
| self.assertEqual(2, fake_file3.fileno()) |
| self.assertEqual(3, fake_file1a.fileno()) |
| |
| def testIntertwinedReadWrite(self): |
| file_path = 'some_file' |
| self.filesystem.CreateFile(file_path) |
| with self.open(file_path, 'a') as writer: |
| with self.open(file_path, 'r') as reader: |
| writes = ['hello', 'world\n', 'somewhere\nover', 'the\n', 'rainbow'] |
| reads = [] |
| # when writes are flushes, they are piped to the reader |
| for write in writes: |
| writer.write(write) |
| writer.flush() |
| reads.append(reader.read()) |
| reader.flush() |
| self.assertEqual(writes, reads) |
| writes = ['nothing', 'to\nsee', 'here'] |
| reads = [] |
| # when writes are not flushed, the reader doesn't read anything new |
| for write in writes: |
| writer.write(write) |
| reads.append(reader.read()) |
| self.assertEqual(['' for _ in writes], reads) |
| |
| def testOpenIoErrors(self): |
| file_path = 'some_file' |
| self.filesystem.CreateFile(file_path) |
| |
| with self.open(file_path, 'a') as fh: |
| self.assertRaises(IOError, fh.read) |
| self.assertRaises(IOError, fh.readlines) |
| with self.open(file_path, 'w') as fh: |
| self.assertRaises(IOError, fh.read) |
| self.assertRaises(IOError, fh.readlines) |
| with self.open(file_path, 'r') as fh: |
| self.assertRaises(IOError, fh.truncate) |
| self.assertRaises(IOError, fh.write, 'contents') |
| self.assertRaises(IOError, fh.writelines, ['con', 'tents']) |
| |
| def _IteratorOpen(file_path, mode): |
| for _ in self.open(file_path, mode): |
| pass |
| self.assertRaises(IOError, _IteratorOpen, file_path, 'w') |
| self.assertRaises(IOError, _IteratorOpen, file_path, 'a') |
| |
| |
| class OpenWithFileDescriptorTest(FakeFileOpenTestBase): |
| |
| @unittest.skipIf(sys.version_info < (3, 0), 'only tested on 3.0 or greater') |
| def testOpenWithFileDescriptor(self): |
| file_path = 'this/file' |
| self.filesystem.CreateFile(file_path) |
| fd = self.os.open(file_path, os.O_CREAT) |
| self.assertEqual(fd, self.open(fd, 'r').fileno()) |
| |
| @unittest.skipIf(sys.version_info < (3, 0), 'only tested on 3.0 or greater') |
| def testClosefdWithFileDescriptor(self): |
| file_path = 'this/file' |
| self.filesystem.CreateFile(file_path) |
| fd = self.os.open(file_path, os.O_CREAT) |
| fh = self.open(fd, 'r', closefd=False) |
| fh.close() |
| self.assertIsNotNone(self.filesystem.open_files[fd]) |
| fh = self.open(fd, 'r', closefd=True) |
| fh.close() |
| self.assertIsNone(self.filesystem.open_files[fd]) |
| |
| |
| class OpenWithBinaryFlagsTest(TestCase): |
| |
| def setUp(self): |
| self.filesystem = fake_filesystem.FakeFilesystem(path_separator='/') |
| self.file = fake_filesystem.FakeFileOpen(self.filesystem) |
| self.os = fake_filesystem.FakeOsModule(self.filesystem) |
| self.file_path = 'some_file' |
| self.file_contents = b'binary contents' |
| self.filesystem.CreateFile(self.file_path, contents=self.file_contents) |
| |
| def OpenFakeFile(self, mode): |
| return self.file(self.file_path, mode=mode) |
| |
| def OpenFileAndSeek(self, mode): |
| fake_file = self.file(self.file_path, mode=mode) |
| fake_file.seek(0, 2) |
| return fake_file |
| |
| def WriteAndReopenFile(self, fake_file, mode='rb'): |
| fake_file.write(self.file_contents) |
| fake_file.close() |
| return self.file(self.file_path, mode=mode) |
| |
| def testReadBinary(self): |
| fake_file = self.OpenFakeFile('rb') |
| self.assertEqual(self.file_contents, fake_file.read()) |
| |
| def testWriteBinary(self): |
| fake_file = self.OpenFileAndSeek('wb') |
| self.assertEqual(0, fake_file.tell()) |
| fake_file = self.WriteAndReopenFile(fake_file, mode='rb') |
| self.assertEqual(self.file_contents, fake_file.read()) |
| # reopen the file in text mode |
| fake_file = self.OpenFakeFile('wb') |
| fake_file = self.WriteAndReopenFile(fake_file, mode='r') |
| self.assertEqual(self.file_contents.decode('ascii'), fake_file.read()) |
| |
| def testWriteAndReadBinary(self): |
| fake_file = self.OpenFileAndSeek('w+b') |
| self.assertEqual(0, fake_file.tell()) |
| fake_file = self.WriteAndReopenFile(fake_file, mode='rb') |
| self.assertEqual(self.file_contents, fake_file.read()) |
| |
| |
| class OpenWithIgnoredFlagsTest(TestCase): |
| |
| def setUp(self): |
| self.filesystem = fake_filesystem.FakeFilesystem(path_separator='/') |
| self.file = fake_filesystem.FakeFileOpen(self.filesystem) |
| self.os = fake_filesystem.FakeOsModule(self.filesystem) |
| self.file_path = 'some_file' |
| self.read_contents = self.file_contents = 'two\r\nlines' |
| # For python 3.x, text file newlines are converted to \n |
| if sys.version_info >= (3, 0): |
| self.read_contents = 'two\nlines' |
| self.filesystem.CreateFile(self.file_path, contents=self.file_contents) |
| # It's resonable to assume the file exists at this point |
| |
| def OpenFakeFile(self, mode): |
| return self.file(self.file_path, mode=mode) |
| |
| def OpenFileAndSeek(self, mode): |
| fake_file = self.file(self.file_path, mode=mode) |
| fake_file.seek(0, 2) |
| return fake_file |
| |
| def WriteAndReopenFile(self, fake_file, mode='r'): |
| fake_file.write(self.file_contents) |
| fake_file.close() |
| return self.file(self.file_path, mode=mode) |
| |
| def testReadText(self): |
| fake_file = self.OpenFakeFile('rt') |
| self.assertEqual(self.read_contents, fake_file.read()) |
| |
| def testReadUniversalNewlines(self): |
| fake_file = self.OpenFakeFile('rU') |
| self.assertEqual(self.read_contents, fake_file.read()) |
| |
| def testUniversalNewlines(self): |
| fake_file = self.OpenFakeFile('U') |
| self.assertEqual(self.read_contents, fake_file.read()) |
| |
| def testWriteText(self): |
| fake_file = self.OpenFileAndSeek('wt') |
| self.assertEqual(0, fake_file.tell()) |
| fake_file = self.WriteAndReopenFile(fake_file) |
| self.assertEqual(self.read_contents, fake_file.read()) |
| |
| def testWriteAndReadTextBinary(self): |
| fake_file = self.OpenFileAndSeek('w+bt') |
| self.assertEqual(0, fake_file.tell()) |
| if sys.version_info >= (3, 0): |
| self.assertRaises(TypeError, fake_file.write, self.file_contents) |
| else: |
| fake_file = self.WriteAndReopenFile(fake_file, mode='rb') |
| self.assertEqual(self.file_contents, fake_file.read()) |
| |
| |
| class OpenWithInvalidFlagsTest(FakeFileOpenTestBase): |
| |
| def testCapitalR(self): |
| self.assertRaises(IOError, self.file, 'some_file', 'R') |
| |
| def testCapitalW(self): |
| self.assertRaises(IOError, self.file, 'some_file', 'W') |
| |
| def testCapitalA(self): |
| self.assertRaises(IOError, self.file, 'some_file', 'A') |
| |
| def testLowerU(self): |
| self.assertRaises(IOError, self.file, 'some_file', 'u') |
| |
| def testLowerRw(self): |
| self.assertRaises(IOError, self.file, 'some_file', 'rw') |
| |
| |
| class ResolvePathTest(FakeFileOpenTestBase): |
| |
| def __WriteToFile(self, file_name): |
| fh = self.open(file_name, 'w') |
| fh.write('x') |
| fh.close() |
| |
| def testNoneFilepathRaisesTypeError(self): |
| self.assertRaises(TypeError, self.open, None, 'w') |
| |
| def testEmptyFilepathRaisesIOError(self): |
| self.assertRaises(IOError, self.open, '', 'w') |
| |
| def testNormalPath(self): |
| self.__WriteToFile('foo') |
| self.assertTrue(self.filesystem.Exists('foo')) |
| |
| def testLinkWithinSameDirectory(self): |
| final_target = '/foo/baz' |
| self.filesystem.CreateLink('/foo/bar', 'baz') |
| self.__WriteToFile('/foo/bar') |
| self.assertTrue(self.filesystem.Exists(final_target)) |
| self.assertEqual(1, self.os.stat(final_target)[stat.ST_SIZE]) |
| |
| def testLinkToSubDirectory(self): |
| final_target = '/foo/baz/bip' |
| self.filesystem.CreateDirectory('/foo/baz') |
| self.filesystem.CreateLink('/foo/bar', 'baz/bip') |
| self.__WriteToFile('/foo/bar') |
| self.assertTrue(self.filesystem.Exists(final_target)) |
| self.assertEqual(1, self.os.stat(final_target)[stat.ST_SIZE]) |
| self.assertTrue(self.filesystem.Exists('/foo/baz')) |
| # Make sure that intermediate directory got created. |
| new_dir = self.filesystem.GetObject('/foo/baz') |
| self.assertTrue(stat.S_IFDIR & new_dir.st_mode) |
| |
| def testLinkToParentDirectory(self): |
| final_target = '/baz/bip' |
| self.filesystem.CreateDirectory('/foo') |
| self.filesystem.CreateDirectory('/baz') |
| self.filesystem.CreateLink('/foo/bar', '../baz') |
| self.__WriteToFile('/foo/bar/bip') |
| self.assertTrue(self.filesystem.Exists(final_target)) |
| self.assertEqual(1, self.os.stat(final_target)[stat.ST_SIZE]) |
| self.assertTrue(self.filesystem.Exists('/foo/bar')) |
| |
| def testLinkToAbsolutePath(self): |
| final_target = '/foo/baz/bip' |
| self.filesystem.CreateDirectory('/foo/baz') |
| self.filesystem.CreateLink('/foo/bar', final_target) |
| self.__WriteToFile('/foo/bar') |
| self.assertTrue(self.filesystem.Exists(final_target)) |
| |
| def testRelativeLinksWorkAfterChdir(self): |
| final_target = '/foo/baz/bip' |
| self.filesystem.CreateDirectory('/foo/baz') |
| self.filesystem.CreateLink('/foo/bar', './baz/bip') |
| self.assertEqual(final_target, |
| self.filesystem.ResolvePath('/foo/bar')) |
| |
| os_module = fake_filesystem.FakeOsModule(self.filesystem) |
| self.assertTrue(os_module.path.islink('/foo/bar')) |
| os_module.chdir('/foo') |
| self.assertEqual('/foo', os_module.getcwd()) |
| self.assertTrue(os_module.path.islink('bar')) |
| |
| self.assertEqual('/foo/baz/bip', |
| self.filesystem.ResolvePath('bar')) |
| |
| self.__WriteToFile('/foo/bar') |
| self.assertTrue(self.filesystem.Exists(final_target)) |
| |
| def testAbsoluteLinksWorkAfterChdir(self): |
| final_target = '/foo/baz/bip' |
| self.filesystem.CreateDirectory('/foo/baz') |
| self.filesystem.CreateLink('/foo/bar', final_target) |
| self.assertEqual(final_target, |
| self.filesystem.ResolvePath('/foo/bar')) |
| |
| os_module = fake_filesystem.FakeOsModule(self.filesystem) |
| self.assertTrue(os_module.path.islink('/foo/bar')) |
| os_module.chdir('/foo') |
| self.assertEqual('/foo', os_module.getcwd()) |
| self.assertTrue(os_module.path.islink('bar')) |
| |
| self.assertEqual('/foo/baz/bip', |
| self.filesystem.ResolvePath('bar')) |
| |
| self.__WriteToFile('/foo/bar') |
| self.assertTrue(self.filesystem.Exists(final_target)) |
| |
| def testChdirThroughRelativeLink(self): |
| self.filesystem.CreateDirectory('/x/foo') |
| self.filesystem.CreateDirectory('/x/bar') |
| self.filesystem.CreateLink('/x/foo/bar', '../bar') |
| self.assertEqual('/x/bar', self.filesystem.ResolvePath('/x/foo/bar')) |
| |
| os_module = fake_filesystem.FakeOsModule(self.filesystem) |
| os_module.chdir('/x/foo') |
| self.assertEqual('/x/foo', os_module.getcwd()) |
| self.assertEqual('/x/bar', self.filesystem.ResolvePath('bar')) |
| |
| os_module.chdir('bar') |
| self.assertEqual('/x/bar', os_module.getcwd()) |
| |
| def testReadLinkToLink(self): |
| # Write into the final link target and read back from a file which will |
| # point to that. |
| self.filesystem.CreateLink('/foo/bar', 'link') |
| self.filesystem.CreateLink('/foo/link', 'baz') |
| self.__WriteToFile('/foo/baz') |
| fh = self.open('/foo/bar', 'r') |
| self.assertEqual('x', fh.read()) |
| |
| def testWriteLinkToLink(self): |
| final_target = '/foo/baz' |
| self.filesystem.CreateLink('/foo/bar', 'link') |
| self.filesystem.CreateLink('/foo/link', 'baz') |
| self.__WriteToFile('/foo/bar') |
| self.assertTrue(self.filesystem.Exists(final_target)) |
| |
| def testMultipleLinks(self): |
| final_target = '/a/link1/c/link2/e' |
| self.os.makedirs('/a/link1/c/link2') |
| |
| self.filesystem.CreateLink('/a/b', 'link1') |
| self.assertEqual('/a/link1', self.filesystem.ResolvePath('/a/b')) |
| self.assertEqual('/a/link1/c', self.filesystem.ResolvePath('/a/b/c')) |
| |
| self.filesystem.CreateLink('/a/link1/c/d', 'link2') |
| self.assertTrue(self.filesystem.Exists('/a/link1/c/d')) |
| self.assertTrue(self.filesystem.Exists('/a/b/c/d')) |
| |
| final_target = '/a/link1/c/link2/e' |
| self.assertFalse(self.filesystem.Exists(final_target)) |
| self.__WriteToFile('/a/b/c/d/e') |
| self.assertTrue(self.filesystem.Exists(final_target)) |
| |
| def testTooManyLinks(self): |
| self.filesystem.CreateLink('/a/loop', 'loop') |
| self.assertFalse(self.filesystem.Exists('/a/loop')) |
| |
| |
| class PathManipulationTests(TestCase): |
| def setUp(self): |
| self.filesystem = fake_filesystem.FakeFilesystem(path_separator='|') |
| |
| |
| class CollapsePathPipeSeparatorTest(PathManipulationTests): |
| """Tests CollapsePath (mimics os.path.normpath) using | as path separator.""" |
| |
| def testEmptyPathBecomesDotPath(self): |
| self.assertEqual('.', self.filesystem.CollapsePath('')) |
| |
| def testDotPathUnchanged(self): |
| self.assertEqual('.', self.filesystem.CollapsePath('.')) |
| |
| def testSlashesAreNotCollapsed(self): |
| """Tests that '/' is not treated specially if the path separator is '|'. |
| |
| In particular, multiple slashes should not be collapsed. |
| """ |
| self.assertEqual('/', self.filesystem.CollapsePath('/')) |
| self.assertEqual('/////', self.filesystem.CollapsePath('/////')) |
| |
| def testRootPath(self): |
| self.assertEqual('|', self.filesystem.CollapsePath('|')) |
| |
| def testMultipleSeparatorsCollapsedIntoRootPath(self): |
| self.assertEqual('|', self.filesystem.CollapsePath('|||||')) |
| |
| def testAllDotPathsRemovedButOne(self): |
| self.assertEqual('.', self.filesystem.CollapsePath('.|.|.|.')) |
| |
| def testAllDotPathsRemovedIfAnotherPathComponentExists(self): |
| self.assertEqual('|', self.filesystem.CollapsePath('|.|.|.|')) |
| self.assertEqual('foo|bar', self.filesystem.CollapsePath('foo|.|.|.|bar')) |
| |
| def testIgnoresUpLevelReferencesStartingFromRoot(self): |
| self.assertEqual('|', self.filesystem.CollapsePath('|..|..|..|')) |
| self.assertEqual('|', self.filesystem.CollapsePath('||..|.|..||')) |
| self.assertEqual( |
| '|', self.filesystem.CollapsePath('|..|..|foo|bar|..|..|')) |
| |
| def testConservesUpLevelReferencesStartingFromCurrentDirectory(self): |
| self.assertEqual( |
| '..|..', self.filesystem.CollapsePath('..|foo|bar|..|..|..')) |
| |
| def testCombineDotAndUpLevelReferencesInAbsolutePath(self): |
| self.assertEqual( |
| '|yes', self.filesystem.CollapsePath('|||||.|..|||yes|no|..|.|||')) |
| |
| def testDotsInPathCollapsesToLastPath(self): |
| self.assertEqual( |
| 'bar', self.filesystem.CollapsePath('foo|..|bar')) |
| self.assertEqual( |
| 'bar', self.filesystem.CollapsePath('foo|..|yes|..|no|..|bar')) |
| |
| |
| class SplitPathTest(PathManipulationTests): |
| """Tests SplitPath (which mimics os.path.split) using | as path separator.""" |
| |
| def testEmptyPath(self): |
| self.assertEqual(('', ''), self.filesystem.SplitPath('')) |
| |
| def testNoSeparators(self): |
| self.assertEqual(('', 'ab'), self.filesystem.SplitPath('ab')) |
| |
| def testSlashesDoNotSplit(self): |
| """Tests that '/' is not treated specially if the path separator is '|'.""" |
| self.assertEqual(('', 'a/b'), self.filesystem.SplitPath('a/b')) |
| |
| def testEliminateTrailingSeparatorsFromHead(self): |
| self.assertEqual(('a', 'b'), self.filesystem.SplitPath('a|b')) |
| self.assertEqual(('a', 'b'), self.filesystem.SplitPath('a|||b')) |
| self.assertEqual(('|a', 'b'), self.filesystem.SplitPath('|a||b')) |
| self.assertEqual(('a|b', 'c'), self.filesystem.SplitPath('a|b|c')) |
| self.assertEqual(('|a|b', 'c'), self.filesystem.SplitPath('|a|b|c')) |
| |
| def testRootSeparatorIsNotStripped(self): |
| self.assertEqual(('|', ''), self.filesystem.SplitPath('|||')) |
| self.assertEqual(('|', 'a'), self.filesystem.SplitPath('|a')) |
| self.assertEqual(('|', 'a'), self.filesystem.SplitPath('|||a')) |
| |
| def testEmptyTailIfPathEndsInSeparator(self): |
| self.assertEqual(('a|b', ''), self.filesystem.SplitPath('a|b|')) |
| |
| def testEmptyPathComponentsArePreservedInHead(self): |
| self.assertEqual(('|a||b', 'c'), self.filesystem.SplitPath('|a||b||c')) |
| |
| |
| class JoinPathTest(PathManipulationTests): |
| """Tests JoinPath (which mimics os.path.join) using | as path separator.""" |
| |
| def testOneEmptyComponent(self): |
| self.assertEqual('', self.filesystem.JoinPaths('')) |
| |
| def testMultipleEmptyComponents(self): |
| self.assertEqual('', self.filesystem.JoinPaths('', '', '')) |
| |
| def testSeparatorsNotStrippedFromSingleComponent(self): |
| self.assertEqual('||a||', self.filesystem.JoinPaths('||a||')) |
| |
| def testOneSeparatorAddedBetweenComponents(self): |
| self.assertEqual('a|b|c|d', self.filesystem.JoinPaths('a', 'b', 'c', 'd')) |
| |
| def testNoSeparatorAddedForComponentsEndingInSeparator(self): |
| self.assertEqual('a|b|c', self.filesystem.JoinPaths('a|', 'b|', 'c')) |
| self.assertEqual('a|||b|||c', |
| self.filesystem.JoinPaths('a|||', 'b|||', 'c')) |
| |
| def testComponentsPrecedingAbsoluteComponentAreIgnored(self): |
| self.assertEqual('|c|d', self.filesystem.JoinPaths('a', '|b', '|c', 'd')) |
| |
| def testOneSeparatorAddedForTrailingEmptyComponents(self): |
| self.assertEqual('a|', self.filesystem.JoinPaths('a', '')) |
| self.assertEqual('a|', self.filesystem.JoinPaths('a', '', '')) |
| |
| def testNoSeparatorAddedForLeadingEmptyComponents(self): |
| self.assertEqual('a', self.filesystem.JoinPaths('', 'a')) |
| |
| def testInternalEmptyComponentsIgnored(self): |
| self.assertEqual('a|b', self.filesystem.JoinPaths('a', '', 'b')) |
| self.assertEqual('a|b|', self.filesystem.JoinPaths('a|', '', 'b|')) |
| |
| |
| class PathSeparatorTest(TestCase): |
| def testOsPathSepMatchesFakeFilesystemSeparator(self): |
| filesystem = fake_filesystem.FakeFilesystem(path_separator='!') |
| fake_os = fake_filesystem.FakeOsModule(filesystem) |
| self.assertEqual('!', fake_os.sep) |
| self.assertEqual('!', fake_os.path.sep) |
| |
| |
| if __name__ == '__main__': |
| main() |
