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327 lines
13 KiB
Python
327 lines
13 KiB
Python
# vim: set fileencoding=utf-8 :
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# Copyright (C) 2010 Google Inc. All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are
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# met:
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#
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# * Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above
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# copyright notice, this list of conditions and the following disclaimer
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# in the documentation and/or other materials provided with the
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# distribution.
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# * Neither the name of Google Inc. nor the names of its
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# contributors may be used to endorse or promote products derived from
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# this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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# NOTE: The fileencoding comment on the first line of the file is
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# important; without it, Python will choke while trying to parse the file,
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# since it includes non-ASCII characters.
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import os
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import stat
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import sys
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import tempfile
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import unittest
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from webkitpy.common.system.filesystem import FileSystem
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class GenericFileSystemTests(object):
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"""Tests that should pass on either a real or mock filesystem."""
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# pylint gets confused about this being a mixin: pylint: disable=E1101
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def setup_generic_test_dir(self):
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fs = self.fs
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self.generic_test_dir = str(self.fs.mkdtemp())
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self.orig_cwd = fs.getcwd()
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fs.chdir(self.generic_test_dir)
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fs.write_text_file('foo.txt', 'foo')
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fs.write_text_file('foobar', 'foobar')
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fs.maybe_make_directory('foodir')
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fs.write_text_file(fs.join('foodir', 'baz'), 'baz')
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fs.chdir(self.orig_cwd)
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def teardown_generic_test_dir(self):
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self.fs.rmtree(self.generic_test_dir)
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self.fs.chdir(self.orig_cwd)
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self.generic_test_dir = None
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def test_glob__trailing_asterisk(self):
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self.fs.chdir(self.generic_test_dir)
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self.assertEqual(set(self.fs.glob('fo*')), set(['foo.txt', 'foobar', 'foodir']))
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def test_glob__leading_asterisk(self):
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self.fs.chdir(self.generic_test_dir)
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self.assertEqual(set(self.fs.glob('*xt')), set(['foo.txt']))
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def test_glob__middle_asterisk(self):
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self.fs.chdir(self.generic_test_dir)
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self.assertEqual(set(self.fs.glob('f*r')), set(['foobar', 'foodir']))
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def test_glob__period_is_escaped(self):
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self.fs.chdir(self.generic_test_dir)
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self.assertEqual(set(self.fs.glob('foo.*')), set(['foo.txt']))
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def test_relpath_unix(self):
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if sys.platform == 'win32':
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return
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self.assertEqual(self.fs.relpath('aaa/bbb'), 'aaa/bbb')
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self.assertEqual(self.fs.relpath('aaa/bbb/'), 'aaa/bbb')
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self.assertEqual(self.fs.relpath('aaa/bbb/.'), 'aaa/bbb')
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self.assertEqual(self.fs.relpath('aaa/./bbb'), 'aaa/bbb')
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self.assertEqual(self.fs.relpath('aaa/../bbb/'), 'bbb')
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self.assertEqual(self.fs.relpath('aaa/bbb', 'aaa/bbb'), '.')
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self.assertEqual(self.fs.relpath('aaa/bbb/ccc', 'aaa/bbb'), 'ccc')
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self.assertEqual(self.fs.relpath('aaa/./ccc', 'aaa/bbb'), '../ccc')
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self.assertEqual(self.fs.relpath('aaa/../ccc', 'aaa/bbb'), '../../ccc')
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self.assertEqual(self.fs.relpath('aaa/bbb', 'aaa/ccc'), '../bbb')
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self.assertEqual(self.fs.relpath('aaa/bbb', 'ccc/ddd'), '../../aaa/bbb')
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self.assertEqual(self.fs.relpath('aaa/bbb', 'aaa/b'), '../bbb')
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self.assertEqual(self.fs.relpath('aaa/bbb', 'a/bbb'), '../../aaa/bbb')
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def test_relpath_win32(self):
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if sys.platform != 'win32':
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return
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self.assertEqual(self.fs.relpath('aaa\\bbb'), 'aaa\\bbb')
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self.assertEqual(self.fs.relpath('aaa\\bbb\\'), 'aaa\\bbb')
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self.assertEqual(self.fs.relpath('aaa\\bbb\\.'), 'aaa\\bbb')
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self.assertEqual(self.fs.relpath('aaa\\.\\bbb'), 'aaa\\bbb')
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self.assertEqual(self.fs.relpath('aaa\\..\\bbb\\'), 'bbb')
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self.assertEqual(self.fs.relpath('aaa\\bbb', 'aaa\\bbb'), '.')
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self.assertEqual(self.fs.relpath('aaa\\bbb\\ccc', 'aaa\\bbb'), 'ccc')
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self.assertEqual(self.fs.relpath('aaa\\.\\ccc', 'aaa\\bbb'), '..\\ccc')
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self.assertEqual(self.fs.relpath('aaa\\..\\ccc', 'aaa\\bbb'), '..\\..\\ccc')
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self.assertEqual(self.fs.relpath('aaa\\bbb', 'aaa\\ccc'), '..\\bbb')
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self.assertEqual(self.fs.relpath('aaa\\bbb', 'ccc\\ddd'), '..\\..\\aaa\\bbb')
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self.assertEqual(self.fs.relpath('aaa\\bbb', 'aaa\\b'), '..\\bbb')
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self.assertEqual(self.fs.relpath('aaa\\bbb', 'a\\bbb'), '..\\..\\aaa\\bbb')
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def test_rmtree(self):
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self.fs.chdir(self.generic_test_dir)
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self.fs.rmtree('foo')
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self.assertTrue(self.fs.exists('foodir'))
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self.assertTrue(self.fs.exists(self.fs.join('foodir', 'baz')))
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self.fs.rmtree('foodir')
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self.assertFalse(self.fs.exists('foodir'))
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self.assertFalse(self.fs.exists(self.fs.join('foodir', 'baz')))
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def test_copytree(self):
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self.fs.chdir(self.generic_test_dir)
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self.fs.copytree('foodir/', 'bardir/')
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self.assertTrue(self.fs.exists('bardir'))
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self.assertTrue(self.fs.exists(self.fs.join('bardir', 'baz')))
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def test_move(self):
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self.fs.chdir(self.generic_test_dir)
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self.fs.move('foo.txt', 'bar.txt')
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self.assertFalse(self.fs.exists('foo.txt'))
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self.assertTrue(self.fs.exists('bar.txt'))
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self.fs.move('foodir', 'bardir')
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self.assertFalse(self.fs.exists('foodir'))
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self.assertFalse(self.fs.exists(self.fs.join('foodir', 'baz')))
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self.assertTrue(self.fs.exists('bardir'))
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self.assertTrue(self.fs.exists(self.fs.join('bardir', 'baz')))
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class RealFileSystemTest(unittest.TestCase, GenericFileSystemTests):
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def setUp(self):
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self.fs = FileSystem()
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self.setup_generic_test_dir()
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self._this_dir = os.path.dirname(os.path.abspath(__file__))
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self._missing_file = os.path.join(self._this_dir, 'missing_file.py')
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self._this_file = os.path.join(self._this_dir, 'filesystem_unittest.py')
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def tearDown(self):
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self.teardown_generic_test_dir()
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self.fs = None
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def test_chdir(self):
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fs = FileSystem()
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cwd = fs.getcwd()
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newdir = '/'
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if sys.platform == 'win32':
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newdir = 'c:\\'
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fs.chdir(newdir)
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self.assertEqual(fs.getcwd(), newdir)
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fs.chdir(cwd)
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def test_chdir__notexists(self):
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fs = FileSystem()
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newdir = '/dirdoesnotexist'
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if sys.platform == 'win32':
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newdir = 'c:\\dirdoesnotexist'
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self.assertRaises(OSError, fs.chdir, newdir)
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def test_exists__true(self):
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fs = FileSystem()
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self.assertTrue(fs.exists(self._this_file))
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def test_exists__false(self):
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fs = FileSystem()
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self.assertFalse(fs.exists(self._missing_file))
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def test_getcwd(self):
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fs = FileSystem()
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self.assertTrue(fs.exists(fs.getcwd()))
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def test_isdir__true(self):
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fs = FileSystem()
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self.assertTrue(fs.isdir(self._this_dir))
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def test_isdir__false(self):
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fs = FileSystem()
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self.assertFalse(fs.isdir(self._this_file))
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def test_join(self):
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fs = FileSystem()
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self.assertEqual(fs.join('foo', 'bar'),
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os.path.join('foo', 'bar'))
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def test_listdir(self):
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fs = FileSystem()
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with fs.mkdtemp(prefix='filesystem_unittest_') as d:
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self.assertEqual(fs.listdir(d), [])
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new_file = os.path.join(d, 'foo')
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fs.write_text_file(new_file, u'foo')
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self.assertEqual(fs.listdir(d), ['foo'])
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os.remove(new_file)
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def test_walk(self):
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fs = FileSystem()
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with fs.mkdtemp(prefix='filesystem_unittest_') as d:
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self.assertEqual(list(fs.walk(d)), [(d, [], [])])
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new_file = os.path.join(d, 'foo')
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fs.write_text_file(new_file, u'foo')
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self.assertEqual(list(fs.walk(d)), [(d, [], ['foo'])])
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os.remove(new_file)
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def test_maybe_make_directory__success(self):
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fs = FileSystem()
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with fs.mkdtemp(prefix='filesystem_unittest_') as base_path:
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sub_path = os.path.join(base_path, "newdir")
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self.assertFalse(os.path.exists(sub_path))
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self.assertFalse(fs.isdir(sub_path))
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fs.maybe_make_directory(sub_path)
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self.assertTrue(os.path.exists(sub_path))
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self.assertTrue(fs.isdir(sub_path))
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# Make sure we can re-create it.
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fs.maybe_make_directory(sub_path)
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self.assertTrue(os.path.exists(sub_path))
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self.assertTrue(fs.isdir(sub_path))
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# Clean up.
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os.rmdir(sub_path)
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self.assertFalse(os.path.exists(base_path))
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self.assertFalse(fs.isdir(base_path))
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def test_maybe_make_directory__failure(self):
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# FIXME: os.chmod() doesn't work on Windows to set directories
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# as readonly, so we skip this test for now.
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if sys.platform in ('win32', 'cygwin'):
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return
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fs = FileSystem()
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with fs.mkdtemp(prefix='filesystem_unittest_') as d:
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# Remove write permissions on the parent directory.
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os.chmod(d, stat.S_IRUSR)
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# Now try to create a sub directory - should fail.
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sub_dir = fs.join(d, 'subdir')
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self.assertRaises(OSError, fs.maybe_make_directory, sub_dir)
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# Clean up in case the test failed and we did create the
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# directory.
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if os.path.exists(sub_dir):
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os.rmdir(sub_dir)
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def test_read_and_write_text_file(self):
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fs = FileSystem()
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text_path = None
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unicode_text_string = u'\u016An\u012Dc\u014Dde\u033D'
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hex_equivalent = '\xC5\xAA\x6E\xC4\xAD\x63\xC5\x8D\x64\x65\xCC\xBD'
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try:
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text_path = tempfile.mktemp(prefix='tree_unittest_')
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file = fs.open_text_file_for_writing(text_path)
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file.write(unicode_text_string)
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file.close()
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file = fs.open_text_file_for_reading(text_path)
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read_text = file.read()
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file.close()
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self.assertEqual(read_text, unicode_text_string)
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finally:
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if text_path and fs.isfile(text_path):
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os.remove(text_path)
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def test_read_and_write_file(self):
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fs = FileSystem()
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text_path = None
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binary_path = None
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unicode_text_string = u'\u016An\u012Dc\u014Dde\u033D'
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hex_equivalent = '\xC5\xAA\x6E\xC4\xAD\x63\xC5\x8D\x64\x65\xCC\xBD'
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try:
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text_path = tempfile.mktemp(prefix='tree_unittest_')
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binary_path = tempfile.mktemp(prefix='tree_unittest_')
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fs.write_text_file(text_path, unicode_text_string)
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contents = fs.read_binary_file(text_path)
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self.assertEqual(contents, hex_equivalent)
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fs.write_binary_file(binary_path, hex_equivalent)
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text_contents = fs.read_text_file(binary_path)
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self.assertEqual(text_contents, unicode_text_string)
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finally:
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if text_path and fs.isfile(text_path):
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os.remove(text_path)
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if binary_path and fs.isfile(binary_path):
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os.remove(binary_path)
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def test_read_binary_file__missing(self):
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fs = FileSystem()
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self.assertRaises(IOError, fs.read_binary_file, self._missing_file)
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def test_read_text_file__missing(self):
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fs = FileSystem()
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self.assertRaises(IOError, fs.read_text_file, self._missing_file)
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def test_remove_file_with_retry(self):
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RealFileSystemTest._remove_failures = 2
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def remove_with_exception(filename):
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RealFileSystemTest._remove_failures -= 1
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if RealFileSystemTest._remove_failures >= 0:
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try:
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raise WindowsError
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except NameError:
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raise FileSystem._WindowsError
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fs = FileSystem()
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self.assertTrue(fs.remove('filename', remove_with_exception))
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self.assertEqual(-1, RealFileSystemTest._remove_failures)
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def test_sep(self):
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fs = FileSystem()
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self.assertEqual(fs.sep, os.sep)
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self.assertEqual(fs.join("foo", "bar"),
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os.path.join("foo", "bar"))
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