| # -*- coding: utf-8 -*- |
| # Copyright 2015 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. |
| """Tests for yapf.file_resources.""" |
| |
| import contextlib |
| import os |
| import shutil |
| import tempfile |
| import unittest |
| |
| from yapf.yapflib import errors |
| from yapf.yapflib import file_resources |
| from yapf.yapflib import py3compat |
| |
| from yapftests import utils |
| |
| |
| @contextlib.contextmanager |
| def _restore_working_dir(): |
| curdir = os.getcwd() |
| try: |
| yield |
| finally: |
| os.chdir(curdir) |
| |
| |
| class GetDefaultStyleForDirTest(unittest.TestCase): |
| |
| def setUp(self): |
| self.test_tmpdir = tempfile.mkdtemp() |
| |
| def tearDown(self): |
| shutil.rmtree(self.test_tmpdir) |
| |
| def test_no_local_style(self): |
| test_file = os.path.join(self.test_tmpdir, 'file.py') |
| style_name = file_resources.GetDefaultStyleForDir(test_file) |
| self.assertEqual(style_name, 'pep8') |
| |
| def test_with_local_style(self): |
| # Create an empty .style.yapf file in test_tmpdir |
| style_file = os.path.join(self.test_tmpdir, '.style.yapf') |
| open(style_file, 'w').close() |
| |
| test_filename = os.path.join(self.test_tmpdir, 'file.py') |
| self.assertEqual(style_file, |
| file_resources.GetDefaultStyleForDir(test_filename)) |
| |
| test_filename = os.path.join(self.test_tmpdir, 'dir1', 'file.py') |
| self.assertEqual(style_file, |
| file_resources.GetDefaultStyleForDir(test_filename)) |
| |
| |
| def _touch_files(filenames): |
| for name in filenames: |
| open(name, 'a').close() |
| |
| |
| class GetCommandLineFilesTest(unittest.TestCase): |
| |
| def setUp(self): |
| self.test_tmpdir = tempfile.mkdtemp() |
| self.old_dir = os.getcwd() |
| |
| def tearDown(self): |
| shutil.rmtree(self.test_tmpdir) |
| os.chdir(self.old_dir) |
| |
| def _make_test_dir(self, name): |
| fullpath = os.path.normpath(os.path.join(self.test_tmpdir, name)) |
| os.makedirs(fullpath) |
| return fullpath |
| |
| def test_find_files_not_dirs(self): |
| tdir1 = self._make_test_dir('test1') |
| tdir2 = self._make_test_dir('test2') |
| file1 = os.path.join(tdir1, 'testfile1.py') |
| file2 = os.path.join(tdir2, 'testfile2.py') |
| _touch_files([file1, file2]) |
| |
| self.assertEqual( |
| file_resources.GetCommandLineFiles( |
| [file1, file2], recursive=False, exclude=None), [file1, file2]) |
| self.assertEqual( |
| file_resources.GetCommandLineFiles( |
| [file1, file2], recursive=True, exclude=None), [file1, file2]) |
| |
| def test_nonrecursive_find_in_dir(self): |
| tdir1 = self._make_test_dir('test1') |
| tdir2 = self._make_test_dir('test1/foo') |
| file1 = os.path.join(tdir1, 'testfile1.py') |
| file2 = os.path.join(tdir2, 'testfile2.py') |
| _touch_files([file1, file2]) |
| |
| self.assertRaises( |
| errors.YapfError, |
| file_resources.GetCommandLineFiles, |
| command_line_file_list=[tdir1], |
| recursive=False, |
| exclude=None) |
| |
| def test_recursive_find_in_dir(self): |
| tdir1 = self._make_test_dir('test1') |
| tdir2 = self._make_test_dir('test2/testinner/') |
| tdir3 = self._make_test_dir('test3/foo/bar/bas/xxx') |
| files = [ |
| os.path.join(tdir1, 'testfile1.py'), |
| os.path.join(tdir2, 'testfile2.py'), |
| os.path.join(tdir3, 'testfile3.py'), |
| ] |
| _touch_files(files) |
| |
| self.assertEqual( |
| sorted( |
| file_resources.GetCommandLineFiles( |
| [self.test_tmpdir], recursive=True, exclude=None)), |
| sorted(files)) |
| |
| def test_recursive_find_in_dir_with_exclude(self): |
| tdir1 = self._make_test_dir('test1') |
| tdir2 = self._make_test_dir('test2/testinner/') |
| tdir3 = self._make_test_dir('test3/foo/bar/bas/xxx') |
| files = [ |
| os.path.join(tdir1, 'testfile1.py'), |
| os.path.join(tdir2, 'testfile2.py'), |
| os.path.join(tdir3, 'testfile3.py'), |
| ] |
| _touch_files(files) |
| |
| self.assertEqual( |
| sorted( |
| file_resources.GetCommandLineFiles( |
| [self.test_tmpdir], recursive=True, exclude=['*test*3.py'])), |
| sorted([ |
| os.path.join(tdir1, 'testfile1.py'), |
| os.path.join(tdir2, 'testfile2.py'), |
| ])) |
| |
| def test_find_with_excluded_hidden_dirs(self): |
| tdir1 = self._make_test_dir('.test1') |
| tdir2 = self._make_test_dir('test_2') |
| tdir3 = self._make_test_dir('test.3') |
| files = [ |
| os.path.join(tdir1, 'testfile1.py'), |
| os.path.join(tdir2, 'testfile2.py'), |
| os.path.join(tdir3, 'testfile3.py'), |
| ] |
| _touch_files(files) |
| |
| actual = file_resources.GetCommandLineFiles( |
| [self.test_tmpdir], recursive=True, exclude=['*.test1*']) |
| |
| self.assertEqual( |
| sorted(actual), |
| sorted([ |
| os.path.join(tdir2, 'testfile2.py'), |
| os.path.join(tdir3, 'testfile3.py'), |
| ])) |
| |
| def test_find_with_excluded_hidden_dirs_relative(self): |
| """Test find with excluded hidden dirs. |
| |
| A regression test against a specific case where a hidden directory (one |
| beginning with a period) is being excluded, but it is also an immediate |
| child of the current directory which has been specified in a relative |
| manner. |
| |
| At its core, the bug has to do with overzelous stripping of "./foo" so that |
| it removes too much from "./.foo" . |
| """ |
| tdir1 = self._make_test_dir('.test1') |
| tdir2 = self._make_test_dir('test_2') |
| tdir3 = self._make_test_dir('test.3') |
| files = [ |
| os.path.join(tdir1, 'testfile1.py'), |
| os.path.join(tdir2, 'testfile2.py'), |
| os.path.join(tdir3, 'testfile3.py'), |
| ] |
| _touch_files(files) |
| |
| # We must temporarily change the current directory, so that we test against |
| # patterns like ./.test1/file instead of /tmp/foo/.test1/file |
| with _restore_working_dir(): |
| |
| os.chdir(self.test_tmpdir) |
| actual = file_resources.GetCommandLineFiles( |
| [os.path.relpath(self.test_tmpdir)], |
| recursive=True, |
| exclude=['*.test1*']) |
| |
| self.assertEqual( |
| sorted(actual), |
| sorted([ |
| os.path.join( |
| os.path.relpath(self.test_tmpdir), os.path.basename(tdir2), |
| 'testfile2.py'), |
| os.path.join( |
| os.path.relpath(self.test_tmpdir), os.path.basename(tdir3), |
| 'testfile3.py'), |
| ])) |
| |
| def test_find_with_excluded_dirs(self): |
| tdir1 = self._make_test_dir('test1') |
| tdir2 = self._make_test_dir('test2/testinner/') |
| tdir3 = self._make_test_dir('test3/foo/bar/bas/xxx') |
| files = [ |
| os.path.join(tdir1, 'testfile1.py'), |
| os.path.join(tdir2, 'testfile2.py'), |
| os.path.join(tdir3, 'testfile3.py'), |
| ] |
| _touch_files(files) |
| |
| os.chdir(self.test_tmpdir) |
| |
| found = sorted( |
| file_resources.GetCommandLineFiles( |
| ['test1', 'test2', 'test3'], |
| recursive=True, |
| exclude=[ |
| 'test1', |
| 'test2/testinner/', |
| ])) |
| |
| self.assertEqual(found, ['test3/foo/bar/bas/xxx/testfile3.py']) |
| |
| found = sorted( |
| file_resources.GetCommandLineFiles( |
| ['.'], recursive=True, exclude=[ |
| 'test1', |
| 'test3', |
| ])) |
| |
| self.assertEqual(found, ['./test2/testinner/testfile2.py']) |
| |
| def test_find_with_excluded_current_dir(self): |
| with self.assertRaises(errors.YapfError): |
| file_resources.GetCommandLineFiles([], False, exclude=['./z']) |
| |
| |
| class IsPythonFileTest(unittest.TestCase): |
| |
| def setUp(self): |
| self.test_tmpdir = tempfile.mkdtemp() |
| |
| def tearDown(self): |
| shutil.rmtree(self.test_tmpdir) |
| |
| def test_with_py_extension(self): |
| file1 = os.path.join(self.test_tmpdir, 'testfile1.py') |
| self.assertTrue(file_resources.IsPythonFile(file1)) |
| |
| def test_empty_without_py_extension(self): |
| file1 = os.path.join(self.test_tmpdir, 'testfile1') |
| self.assertFalse(file_resources.IsPythonFile(file1)) |
| file2 = os.path.join(self.test_tmpdir, 'testfile1.rb') |
| self.assertFalse(file_resources.IsPythonFile(file2)) |
| |
| def test_python_shebang(self): |
| file1 = os.path.join(self.test_tmpdir, 'testfile1') |
| with open(file1, 'w') as f: |
| f.write(u'#!/usr/bin/python\n') |
| self.assertTrue(file_resources.IsPythonFile(file1)) |
| |
| file2 = os.path.join(self.test_tmpdir, 'testfile2.run') |
| with open(file2, 'w') as f: |
| f.write(u'#! /bin/python2\n') |
| self.assertTrue(file_resources.IsPythonFile(file1)) |
| |
| def test_with_latin_encoding(self): |
| file1 = os.path.join(self.test_tmpdir, 'testfile1') |
| with py3compat.open_with_encoding(file1, mode='w', encoding='latin-1') as f: |
| f.write(u'#! /bin/python2\n') |
| self.assertTrue(file_resources.IsPythonFile(file1)) |
| |
| def test_with_invalid_encoding(self): |
| file1 = os.path.join(self.test_tmpdir, 'testfile1') |
| with open(file1, 'w') as f: |
| f.write(u'#! /bin/python2\n') |
| f.write(u'# -*- coding: iso-3-14159 -*-\n') |
| self.assertFalse(file_resources.IsPythonFile(file1)) |
| |
| |
| class IsIgnoredTest(unittest.TestCase): |
| |
| def test_root_path(self): |
| self.assertTrue(file_resources.IsIgnored('media', ['media'])) |
| self.assertFalse(file_resources.IsIgnored('media', ['media/*'])) |
| |
| def test_sub_path(self): |
| self.assertTrue(file_resources.IsIgnored('media/a', ['*/a'])) |
| self.assertTrue(file_resources.IsIgnored('media/b', ['media/*'])) |
| self.assertTrue(file_resources.IsIgnored('media/b/c', ['*/*/c'])) |
| |
| def test_trailing_slash(self): |
| self.assertTrue(file_resources.IsIgnored('z', ['z'])) |
| self.assertTrue(file_resources.IsIgnored('z', ['z/'])) |
| |
| |
| class BufferedByteStream(object): |
| |
| def __init__(self): |
| self.stream = py3compat.BytesIO() |
| |
| def getvalue(self): # pylint: disable=invalid-name |
| return self.stream.getvalue().decode('utf-8') |
| |
| @property |
| def buffer(self): |
| return self.stream |
| |
| |
| class WriteReformattedCodeTest(unittest.TestCase): |
| |
| @classmethod |
| def setUpClass(cls): |
| cls.test_tmpdir = tempfile.mkdtemp() |
| |
| @classmethod |
| def tearDownClass(cls): |
| shutil.rmtree(cls.test_tmpdir) |
| |
| def test_write_to_file(self): |
| s = u'foobar\n' |
| with utils.NamedTempFile(dirname=self.test_tmpdir) as (f, fname): |
| file_resources.WriteReformattedCode( |
| fname, s, in_place=True, encoding='utf-8') |
| f.flush() |
| |
| with open(fname) as f2: |
| self.assertEqual(f2.read(), s) |
| |
| def test_write_to_stdout(self): |
| s = u'foobar' |
| stream = BufferedByteStream() if py3compat.PY3 else py3compat.StringIO() |
| with utils.stdout_redirector(stream): |
| file_resources.WriteReformattedCode( |
| None, s, in_place=False, encoding='utf-8') |
| self.assertEqual(stream.getvalue(), s) |
| |
| def test_write_encoded_to_stdout(self): |
| s = '\ufeff# -*- coding: utf-8 -*-\nresult = "passed"\n' # pylint: disable=anomalous-unicode-escape-in-string |
| stream = BufferedByteStream() if py3compat.PY3 else py3compat.StringIO() |
| with utils.stdout_redirector(stream): |
| file_resources.WriteReformattedCode( |
| None, s, in_place=False, encoding='utf-8') |
| self.assertEqual(stream.getvalue(), s) |
| |
| |
| if __name__ == '__main__': |
| unittest.main() |
