shell bypass 403
# -*- coding: utf-8 -*-
# Copyright 2009 Google Inc. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Unittest for fake_filesystem module."""
import errno
import os
import stat
import sys
import time
import unittest
from pyfakefs import fake_filesystem
from pyfakefs.fake_filesystem import set_uid, set_gid, is_root
from pyfakefs.helpers import IS_WIN
from pyfakefs.tests.test_utils import DummyTime, TestCase
class FakeDirectoryUnitTest(TestCase):
def setUp(self):
self.orig_time = time.time
time.time = DummyTime(10, 1)
self.filesystem = fake_filesystem.FakeFilesystem(path_separator='/')
self.os = fake_filesystem.FakeOsModule(self.filesystem)
self.fake_file = fake_filesystem.FakeFile(
'foobar', contents='dummy_file', filesystem=self.filesystem)
self.fake_dir = fake_filesystem.FakeDirectory(
'somedir', filesystem=self.filesystem)
def tearDown(self):
time.time = self.orig_time
def test_new_file_and_directory(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 test_add_entry(self):
self.fake_dir.add_entry(self.fake_file)
self.assertEqual({'foobar': self.fake_file}, self.fake_dir.contents)
def test_get_entry(self):
self.fake_dir.add_entry(self.fake_file)
self.assertEqual(self.fake_file, self.fake_dir.get_entry('foobar'))
def test_path(self):
self.filesystem.root.add_entry(self.fake_dir)
self.fake_dir.add_entry(self.fake_file)
self.assertEqual('/somedir/foobar', self.fake_file.path)
self.assertEqual('/somedir', self.fake_dir.path)
def test_path_with_drive(self):
self.filesystem.is_windows_fs = True
dir_path = 'C:/foo/bar/baz'
self.filesystem.create_dir(dir_path)
dir_object = self.filesystem.get_object(dir_path)
self.assertEqual(dir_path, dir_object.path)
def test_path_after_chdir(self):
dir_path = '/foo/bar/baz'
self.filesystem.create_dir(dir_path)
self.os.chdir(dir_path)
dir_object = self.filesystem.get_object(dir_path)
self.assertEqual(dir_path, dir_object.path)
def test_path_after_chdir_with_drive(self):
self.filesystem.is_windows_fs = True
dir_path = 'C:/foo/bar/baz'
self.filesystem.create_dir(dir_path)
self.os.chdir(dir_path)
dir_object = self.filesystem.get_object(dir_path)
self.assertEqual(dir_path, dir_object.path)
def test_remove_entry(self):
self.fake_dir.add_entry(self.fake_file)
self.assertEqual(self.fake_file, self.fake_dir.get_entry('foobar'))
self.fake_dir.remove_entry('foobar')
self.assertRaises(KeyError, self.fake_dir.get_entry, 'foobar')
def test_should_throw_if_set_size_is_not_integer(self):
def set_size():
self.fake_file.size = 0.1
self.assert_raises_io_error(errno.ENOSPC, set_size)
def test_should_throw_if_set_size_is_negative(self):
def set_size():
self.fake_file.size = -1
self.assert_raises_io_error(errno.ENOSPC, set_size)
def test_produce_empty_file_if_set_size_is_zero(self):
self.fake_file.size = 0
self.assertEqual('', self.fake_file.contents)
def test_sets_content_empty_if_set_size_is_zero(self):
self.fake_file.size = 0
self.assertEqual('', self.fake_file.contents)
def test_truncate_file_if_size_is_smaller_than_current_size(self):
self.fake_file.size = 6
self.assertEqual('dummy_', self.fake_file.contents)
def test_leave_file_unchanged_if_size_is_equal_to_current_size(self):
self.fake_file.size = 10
self.assertEqual('dummy_file', self.fake_file.contents)
def test_set_contents_to_dir_raises(self):
# Regression test for #276
self.filesystem.is_windows_fs = True
error_check = (self.assert_raises_io_error if self.is_python2
else self.assert_raises_os_error)
error_check(errno.EISDIR, self.fake_dir.set_contents, 'a')
self.filesystem.is_windows_fs = False
self.assert_raises_io_error(
errno.EISDIR, self.fake_dir.set_contents, 'a')
def test_pads_with_nullbytes_if_size_is_greater_than_current_size(self):
self.fake_file.size = 13
self.assertEqual('dummy_file\0\0\0', self.fake_file.contents)
def test_set_m_time(self):
self.assertEqual(10, self.fake_file.st_mtime)
self.fake_file.st_mtime = 13
self.assertEqual(13, self.fake_file.st_mtime)
self.fake_file.st_mtime = 131
self.assertEqual(131, self.fake_file.st_mtime)
def test_file_inode(self):
filesystem = fake_filesystem.FakeFilesystem(path_separator='/')
fake_os = fake_filesystem.FakeOsModule(filesystem)
file_path = 'some_file1'
filesystem.create_file(file_path, contents='contents here1')
self.assertLess(0, fake_os.stat(file_path)[stat.ST_INO])
file_obj = filesystem.get_object(file_path)
file_obj.st_ino = 43
self.assertEqual(43, fake_os.stat(file_path)[stat.ST_INO])
def test_directory_inode(self):
filesystem = fake_filesystem.FakeFilesystem(path_separator='/')
fake_os = fake_filesystem.FakeOsModule(filesystem)
dirpath = 'testdir'
filesystem.create_dir(dirpath)
self.assertLess(0, fake_os.stat(dirpath)[stat.ST_INO])
dir_obj = filesystem.get_object(dirpath)
dir_obj.st_ino = 43
self.assertEqual(43, fake_os.stat(dirpath)[stat.ST_INO])
def test_ordered_dirs(self):
filesystem = fake_filesystem.FakeFilesystem(path_separator='/')
filesystem.create_dir('/foo')
filesystem.create_file('/foo/2')
filesystem.create_file('/foo/4')
filesystem.create_file('/foo/1')
filesystem.create_file('/foo/3')
fake_dir = filesystem.get_object('/foo')
self.assertEqual(['2', '4', '1', '3'], fake_dir.ordered_dirs)
class SetLargeFileSizeTest(TestCase):
def setUp(self):
filesystem = fake_filesystem.FakeFilesystem()
self.fake_file = fake_filesystem.FakeFile('foobar',
filesystem=filesystem)
def test_should_throw_if_size_is_not_integer(self):
self.assert_raises_io_error(errno.ENOSPC,
self.fake_file.set_large_file_size, 0.1)
def test_should_throw_if_size_is_negative(self):
self.assert_raises_io_error(errno.ENOSPC,
self.fake_file.set_large_file_size, -1)
def test_sets_content_none_if_size_is_non_negative_integer(self):
self.fake_file.set_large_file_size(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 test_empty_path_should_get_normalized_to_root_path(self):
self.assertEqual(self.root_name, self.filesystem.absnormpath(''))
def test_root_path_remains_unchanged(self):
self.assertEqual(self.root_name,
self.filesystem.absnormpath(self.root_name))
def test_relative_path_forced_to_cwd(self):
path = 'bar'
self.filesystem.cwd = '/foo'
self.assertEqual('/foo/bar', self.filesystem.absnormpath(path))
def test_absolute_path_remains_unchanged(self):
path = '/foo/bar'
self.assertEqual(path, self.filesystem.absnormpath(path))
def test_dotted_path_is_normalized(self):
path = '/foo/..'
self.assertEqual('/', self.filesystem.absnormpath(path))
path = 'foo/../bar'
self.assertEqual('/bar', self.filesystem.absnormpath(path))
def test_dot_path_is_normalized(self):
path = '.'
self.assertEqual('/', self.filesystem.absnormpath(path))
class GetPathComponentsTest(TestCase):
def setUp(self):
self.filesystem = fake_filesystem.FakeFilesystem(path_separator='/')
self.root_name = '/'
def test_root_path_should_return_empty_list(self):
self.assertEqual([], self.filesystem._path_components(self.root_name))
def test_empty_path_should_return_empty_list(self):
self.assertEqual([], self.filesystem._path_components(''))
def test_relative_path_with_one_component_should_return_component(self):
self.assertEqual(['foo'], self.filesystem._path_components('foo'))
def test_absolute_path_with_one_component_should_return_component(self):
self.assertEqual(['foo'], self.filesystem._path_components('/foo'))
def test_two_level_relative_path_should_return_components(self):
self.assertEqual(['foo', 'bar'],
self.filesystem._path_components('foo/bar'))
def test_two_level_absolute_path_should_return_components(self):
self.assertEqual(['foo', 'bar'],
self.filesystem._path_components('/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', filesystem=self.filesystem)
self.fake_child = fake_filesystem.FakeDirectory(
'foobaz', filesystem=self.filesystem)
self.fake_grandchild = fake_filesystem.FakeDirectory(
'quux', filesystem=self.filesystem)
def test_new_filesystem(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 test_none_raises_type_error(self):
self.assertRaises(TypeError, self.filesystem.exists, None)
def test_empty_string_does_not_exist(self):
self.assertFalse(self.filesystem.exists(''))
def test_exists_root(self):
self.assertTrue(self.filesystem.exists(self.root_name))
def test_exists_unadded_file(self):
self.assertFalse(self.filesystem.exists(self.fake_file.name))
def test_not_exists_subpath_named_like_file_contents(self):
# Regression test for #219
file_path = "/foo/bar"
self.filesystem.create_file(file_path, contents='baz')
self.assertFalse(self.filesystem.exists(file_path + "/baz"))
def test_get_root_object(self):
self.assertEqual(self.filesystem.root,
self.filesystem.get_object(self.root_name))
def test_add_object_to_root(self):
self.filesystem.add_object(self.root_name, self.fake_file)
self.assertEqual({'foobar': self.fake_file},
self.filesystem.root.contents)
def test_exists_added_file(self):
self.filesystem.add_object(self.root_name, self.fake_file)
self.assertTrue(self.filesystem.exists(self.fake_file.name))
def test_exists_relative_path_posix(self):
self.filesystem.is_windows_fs = False
self.filesystem.create_file('/a/b/file_one')
self.filesystem.create_file('/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 test_exists_relative_path_windows(self):
self.filesystem.is_windows_fs = True
self.filesystem.is_macos = False
self.filesystem.create_file('/a/b/file_one')
self.filesystem.create_file('/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.assertTrue(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.assertTrue(self.filesystem.exists('../z/../c/file_two'))
def test_get_object_from_root(self):
self.filesystem.add_object(self.root_name, self.fake_file)
self.assertEqual(self.fake_file, self.filesystem.get_object('foobar'))
def test_get_nonexistent_object_from_root_error(self):
self.filesystem.add_object(self.root_name, self.fake_file)
self.assertEqual(self.fake_file, self.filesystem.get_object('foobar'))
self.assert_raises_io_error(
errno.ENOENT, self.filesystem.get_object, 'some_bogus_filename')
def test_remove_object_from_root(self):
self.filesystem.add_object(self.root_name, self.fake_file)
self.filesystem.remove_object(self.fake_file.name)
self.assert_raises_io_error(
errno.ENOENT, self.filesystem.get_object, self.fake_file.name)
def test_remove_nonexisten_object_from_root_error(self):
self.assert_raises_io_error(
errno.ENOENT, self.filesystem.remove_object, 'some_bogus_filename')
def test_exists_removed_file(self):
self.filesystem.add_object(self.root_name, self.fake_file)
self.filesystem.remove_object(self.fake_file.name)
self.assertFalse(self.filesystem.exists(self.fake_file.name))
def test_add_object_to_child(self):
self.filesystem.add_object(self.root_name, self.fake_child)
self.filesystem.add_object(self.fake_child.name, self.fake_file)
self.assertEqual(
{self.fake_file.name: self.fake_file},
self.filesystem.root.get_entry(self.fake_child.name).contents)
def test_add_object_to_regular_file_error_posix(self):
self.filesystem.is_windows_fs = False
self.filesystem.add_object(self.root_name, self.fake_file)
self.assert_raises_os_error(errno.ENOTDIR,
self.filesystem.add_object,
self.fake_file.name, self.fake_file)
def test_add_object_to_regular_file_error_windows(self):
self.filesystem.is_windows_fs = True
self.filesystem.add_object(self.root_name, self.fake_file)
self.assert_raises_os_error(errno.ENOENT,
self.filesystem.add_object,
self.fake_file.name, self.fake_file)
def test_exists_file_added_to_child(self):
self.filesystem.add_object(self.root_name, self.fake_child)
self.filesystem.add_object(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 test_get_object_from_child(self):
self.filesystem.add_object(self.root_name, self.fake_child)
self.filesystem.add_object(self.fake_child.name, self.fake_file)
self.assertEqual(self.fake_file,
self.filesystem.get_object(
self.filesystem.joinpaths(self.fake_child.name,
self.fake_file.name)))
def test_get_nonexistent_object_from_child_error(self):
self.filesystem.add_object(self.root_name, self.fake_child)
self.filesystem.add_object(self.fake_child.name, self.fake_file)
self.assert_raises_io_error(errno.ENOENT, self.filesystem.get_object,
self.filesystem.joinpaths(
self.fake_child.name,
'some_bogus_filename'))
def test_remove_object_from_child(self):
self.filesystem.add_object(self.root_name, self.fake_child)
self.filesystem.add_object(self.fake_child.name, self.fake_file)
target_path = self.filesystem.joinpaths(self.fake_child.name,
self.fake_file.name)
self.filesystem.remove_object(target_path)
self.assert_raises_io_error(errno.ENOENT, self.filesystem.get_object,
target_path)
def test_remove_object_from_child_error(self):
self.filesystem.add_object(self.root_name, self.fake_child)
self.assert_raises_io_error(
errno.ENOENT, self.filesystem.remove_object,
self.filesystem.joinpaths(self.fake_child.name,
'some_bogus_filename'))
def test_remove_object_from_non_directory_error(self):
self.filesystem.add_object(self.root_name, self.fake_file)
self.assert_raises_io_error(
errno.ENOTDIR, self.filesystem.remove_object,
self.filesystem.joinpaths(
'%s' % self.fake_file.name,
'file_does_not_matter_since_parent_not_a_directory'))
def test_exists_file_removed_from_child(self):
self.filesystem.add_object(self.root_name, self.fake_child)
self.filesystem.add_object(self.fake_child.name, self.fake_file)
path = self.filesystem.joinpaths(self.fake_child.name,
self.fake_file.name)
self.filesystem.remove_object(path)
self.assertFalse(self.filesystem.exists(path))
def test_operate_on_grandchild_directory(self):
self.filesystem.add_object(self.root_name, self.fake_child)
self.filesystem.add_object(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.get_object, grandchild_file)
self.filesystem.add_object(grandchild_directory, self.fake_file)
self.assertEqual(self.fake_file,
self.filesystem.get_object(grandchild_file))
self.assertTrue(self.filesystem.exists(grandchild_file))
self.filesystem.remove_object(grandchild_file)
self.assertRaises(IOError, self.filesystem.get_object, grandchild_file)
self.assertFalse(self.filesystem.exists(grandchild_file))
def test_create_directory_in_root_directory(self):
path = 'foo'
self.filesystem.create_dir(path)
new_dir = self.filesystem.get_object(path)
self.assertEqual(os.path.basename(path), new_dir.name)
self.assertTrue(stat.S_IFDIR & new_dir.st_mode)
def test_create_directory_in_root_directory_already_exists_error(self):
path = 'foo'
self.filesystem.create_dir(path)
self.assert_raises_os_error(
errno.EEXIST, self.filesystem.create_dir, path)
def test_create_directory(self):
path = 'foo/bar/baz'
self.filesystem.create_dir(path)
new_dir = self.filesystem.get_object(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.create_dir(path)
new_dir = self.filesystem.get_object(path)
self.assertEqual(os.path.basename(path), new_dir.name)
self.assertTrue(stat.S_IFDIR & new_dir.st_mode)
def test_create_directory_already_exists_error(self):
path = 'foo/bar/baz'
self.filesystem.create_dir(path)
self.assert_raises_os_error(
errno.EEXIST, self.filesystem.create_dir, path)
def test_create_file_in_read_only_directory_raises_in_posix(self):
self.filesystem.is_windows_fs = False
dir_path = '/foo/bar'
self.filesystem.create_dir(dir_path, perm_bits=0o555)
file_path = dir_path + '/baz'
if not is_root():
if sys.version_info[0] < 3:
self.assert_raises_io_error(errno.EACCES,
self.filesystem.create_file,
file_path)
else:
self.assert_raises_os_error(errno.EACCES,
self.filesystem.create_file,
file_path)
else:
self.filesystem.create_file(file_path)
self.assertTrue(self.filesystem.exists(file_path))
def test_create_file_in_read_only_directory_possible_in_windows(self):
self.filesystem.is_windows_fs = True
dir_path = 'C:/foo/bar'
self.filesystem.create_dir(dir_path, perm_bits=0o555)
file_path = dir_path + '/baz'
self.filesystem.create_file(file_path)
self.assertTrue(self.filesystem.exists(file_path))
def test_create_file_in_current_directory(self):
path = 'foo'
contents = 'dummy data'
self.filesystem.create_file(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 test_create_file_in_root_directory(self):
path = '/foo'
contents = 'dummy data'
self.filesystem.create_file(path, contents=contents)
new_file = self.filesystem.get_object(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 test_create_file_with_size_but_no_content_creates_large_file(self):
path = 'large_foo_bar'
self.filesystem.create_file(path, st_size=100000000)
new_file = self.filesystem.get_object(path)
self.assertEqual(None, new_file.contents)
self.assertEqual(100000000, new_file.st_size)
def test_create_file_in_root_directory_already_exists_error(self):
path = 'foo'
self.filesystem.create_file(path)
self.assert_raises_os_error(
errno.EEXIST, self.filesystem.create_file, path)
def test_create_file(self):
path = 'foo/bar/baz'
retval = self.filesystem.create_file(path, contents='dummy_data')
self.assertTrue(self.filesystem.exists(path))
self.assertTrue(self.filesystem.exists(os.path.dirname(path)))
new_file = self.filesystem.get_object(path)
self.assertEqual(os.path.basename(path), new_file.name)
if IS_WIN:
self.assertEqual(1, new_file.st_uid)
self.assertEqual(1, new_file.st_gid)
else:
self.assertEqual(os.getuid(), new_file.st_uid)
self.assertEqual(os.getgid(), new_file.st_gid)
self.assertEqual(new_file, retval)
def test_create_file_with_changed_ids(self):
path = 'foo/bar/baz'
set_uid(42)
set_gid(2)
self.filesystem.create_file(path)
self.assertTrue(self.filesystem.exists(path))
new_file = self.filesystem.get_object(path)
self.assertEqual(42, new_file.st_uid)
self.assertEqual(2, new_file.st_gid)
set_uid(1 if IS_WIN else os.getuid())
set_gid(1 if IS_WIN else os.getgid())
def test_empty_file_created_for_none_contents(self):
fake_open = fake_filesystem.FakeFileOpen(self.filesystem)
path = 'foo/bar/baz'
self.filesystem.create_file(path, contents=None)
with fake_open(path) as f:
self.assertEqual('', f.read())
def test_create_file_with_incorrect_mode_type(self):
self.assertRaises(TypeError, self.filesystem.create_file, 'foo', 'bar')
def test_create_file_already_exists_error(self):
path = 'foo/bar/baz'
self.filesystem.create_file(path, contents='dummy_data')
self.assert_raises_os_error(
errno.EEXIST, self.filesystem.create_file, path)
@unittest.skipIf(TestCase.is_windows and sys.version_info < (3, 3),
'Links are not supported under Windows before Python 3.3')
def test_create_link(self):
path = 'foo/bar/baz'
target_path = 'foo/bar/quux'
new_file = self.filesystem.create_symlink(path, 'quux')
# Neither the path nor 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.create_file(target_path)
self.assertTrue(self.filesystem.exists(path))
self.assertTrue(self.filesystem.exists(target_path))
@unittest.skipIf(TestCase.is_windows and sys.version_info < (3, 3),
'Links are not supported under Windows before Python 3.3')
def test_resolve_object(self):
target_path = 'dir/target'
target_contents = '0123456789ABCDEF'
link_name = 'x'
self.filesystem.create_dir('dir')
self.filesystem.create_file('dir/target', contents=target_contents)
self.filesystem.create_symlink(link_name, target_path)
obj = self.filesystem.resolve(link_name)
self.assertEqual('target', obj.name)
self.assertEqual(target_contents, obj.contents)
@unittest.skipIf(TestCase.is_windows and sys.version_info < (3, 3),
'Links are not supported under Windows before Python 3.3')
def check_lresolve_object(self):
target_path = 'dir/target'
target_contents = '0123456789ABCDEF'
link_name = 'x'
self.filesystem.create_dir('dir')
self.filesystem.create_file('dir/target', contents=target_contents)
self.filesystem.create_symlink(link_name, target_path)
obj = self.filesystem.lresolve(link_name)
self.assertEqual(link_name, obj.name)
self.assertEqual(target_path, obj.contents)
@unittest.skipIf(sys.version_info < (3, 3),
'Links are not supported under Windows before Python 3.3')
def test_lresolve_object_windows(self):
self.filesystem.is_windows_fs = True
self.check_lresolve_object()
def test_lresolve_object_posix(self):
self.filesystem.is_windows_fs = False
self.check_lresolve_object()
def check_directory_access_on_file(self, error_subtype):
self.filesystem.create_file('not_a_dir')
self.assert_raises_io_error(
error_subtype, self.filesystem.resolve, 'not_a_dir/foo')
self.assert_raises_io_error(
error_subtype, self.filesystem.lresolve, 'not_a_dir/foo/bar')
def test_directory_access_on_file_windows(self):
self.filesystem.is_windows_fs = True
self.check_directory_access_on_file(errno.ENOENT)
def test_directory_access_on_file_posix(self):
self.filesystem.is_windows_fs = False
self.check_directory_access_on_file(errno.ENOTDIR)
def test_pickle_fs(self):
"""Regression test for #445"""
import pickle
self.filesystem.open_files = []
p = pickle.dumps(self.filesystem)
fs = pickle.loads(p)
self.assertEqual(str(fs.root), str(self.filesystem.root))
self.assertEqual(fs.mount_points, self.filesystem.mount_points)
class CaseInsensitiveFakeFilesystemTest(TestCase):
def setUp(self):
self.filesystem = fake_filesystem.FakeFilesystem(path_separator='/')
self.filesystem.is_case_sensitive = False
self.os = fake_filesystem.FakeOsModule(self.filesystem)
self.path = self.os.path
def test_get_object(self):
self.filesystem.create_dir('/foo/bar')
self.filesystem.create_file('/foo/bar/baz')
self.assertTrue(self.filesystem.get_object('/Foo/Bar/Baz'))
def test_remove_object(self):
self.filesystem.create_dir('/foo/bar')
self.filesystem.create_file('/foo/bar/baz')
self.filesystem.remove_object('/Foo/Bar/Baz')
self.assertFalse(self.filesystem.exists('/foo/bar/baz'))
def test_exists(self):
self.filesystem.create_dir('/Foo/Bar')
self.assertTrue(self.filesystem.exists('/Foo/Bar'))
self.assertTrue(self.filesystem.exists('/foo/bar'))
self.filesystem.create_file('/foo/Bar/baz')
self.assertTrue(self.filesystem.exists('/Foo/bar/BAZ'))
self.assertTrue(self.filesystem.exists('/foo/bar/baz'))
def test_create_directory_with_different_case_root(self):
self.filesystem.create_dir('/Foo/Bar')
self.filesystem.create_dir('/foo/bar/baz')
dir1 = self.filesystem.get_object('/Foo/Bar')
dir2 = self.filesystem.get_object('/foo/bar')
self.assertEqual(dir1, dir2)
def test_create_file_with_different_case_dir(self):
self.filesystem.create_dir('/Foo/Bar')
self.filesystem.create_file('/foo/bar/baz')
dir1 = self.filesystem.get_object('/Foo/Bar')
dir2 = self.filesystem.get_object('/foo/bar')
self.assertEqual(dir1, dir2)
@unittest.skipIf(TestCase.is_windows and sys.version_info < (3, 3),
'Links are not supported under Windows before Python 3.3')
def test_resolve_path(self):
self.filesystem.create_dir('/foo/baz')
self.filesystem.create_symlink('/Foo/Bar', './baz/bip')
self.assertEqual('/foo/baz/bip',
self.filesystem.resolve_path('/foo/bar'))
def test_isdir_isfile(self):
self.filesystem.create_file('foo/bar')
self.assertTrue(self.path.isdir('Foo'))
self.assertFalse(self.path.isfile('Foo'))
self.assertTrue(self.path.isfile('Foo/Bar'))
self.assertFalse(self.path.isdir('Foo/Bar'))
def test_getsize(self):
file_path = 'foo/bar/baz'
self.filesystem.create_file(file_path, contents='1234567')
self.assertEqual(7, self.path.getsize('FOO/BAR/BAZ'))
def test_getsize_with_looping_symlink(self):
self.filesystem.is_windows_fs = False
dir_path = '/foo/bar'
self.filesystem.create_dir(dir_path)
link_path = dir_path + "/link"
link_target = link_path + "/link"
self.os.symlink(link_target, link_path)
self.assert_raises_os_error(
errno.ELOOP, self.os.path.getsize, link_path)
def test_get_mtime(self):
test_file = self.filesystem.create_file('foo/bar1.txt')
test_file.st_mtime = 24
self.assertEqual(24, self.path.getmtime('Foo/Bar1.TXT'))
def test_get_object_with_file_size(self):
self.filesystem.create_file('/Foo/Bar', st_size=10)
self.assertTrue(self.filesystem.get_object('/foo/bar'))
class CaseSensitiveFakeFilesystemTest(TestCase):
def setUp(self):
self.filesystem = fake_filesystem.FakeFilesystem(path_separator='/')
self.filesystem.is_case_sensitive = True
self.os = fake_filesystem.FakeOsModule(self.filesystem)
self.path = self.os.path
def test_get_object(self):
self.filesystem.create_dir('/foo/bar')
self.filesystem.create_file('/foo/bar/baz')
self.assertRaises(IOError, self.filesystem.get_object, '/Foo/Bar/Baz')
def test_remove_object(self):
self.filesystem.create_dir('/foo/bar')
self.filesystem.create_file('/foo/bar/baz')
self.assertRaises(
IOError, self.filesystem.remove_object, '/Foo/Bar/Baz')
self.assertTrue(self.filesystem.exists('/foo/bar/baz'))
def test_exists(self):
self.filesystem.create_dir('/Foo/Bar')
self.assertTrue(self.filesystem.exists('/Foo/Bar'))
self.assertFalse(self.filesystem.exists('/foo/bar'))
self.filesystem.create_file('/foo/Bar/baz')
self.assertFalse(self.filesystem.exists('/Foo/bar/BAZ'))
self.assertFalse(self.filesystem.exists('/foo/bar/baz'))
def test_create_directory_with_different_case_root(self):
self.filesystem.create_dir('/Foo/Bar')
self.filesystem.create_dir('/foo/bar/baz')
dir1 = self.filesystem.get_object('/Foo/Bar')
dir2 = self.filesystem.get_object('/foo/bar')
self.assertNotEqual(dir1, dir2)
def test_create_file_with_different_case_dir(self):
self.filesystem.create_dir('/Foo/Bar')
self.filesystem.create_file('/foo/bar/baz')
dir1 = self.filesystem.get_object('/Foo/Bar')
dir2 = self.filesystem.get_object('/foo/bar')
self.assertNotEqual(dir1, dir2)
def test_isdir_isfile(self):
self.filesystem.create_file('foo/bar')
self.assertFalse(self.path.isdir('Foo'))
self.assertFalse(self.path.isfile('Foo'))
self.assertFalse(self.path.isfile('Foo/Bar'))
self.assertFalse(self.path.isdir('Foo/Bar'))
def test_getsize(self):
file_path = 'foo/bar/baz'
self.filesystem.create_file(file_path, contents='1234567')
self.assertRaises(os.error, self.path.getsize, 'FOO/BAR/BAZ')
def test_get_mtime(self):
test_file = self.filesystem.create_file('foo/bar1.txt')
test_file.st_mtime = 24
self.assert_raises_os_error(
errno.ENOENT, self.path.getmtime, 'Foo/Bar1.TXT')
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 test_create_top_level_directory(self):
top_level_dir = '/x'
self.assertFalse(self.filesystem.exists(top_level_dir))
self.filesystem.create_dir(top_level_dir)
self.assertTrue(self.filesystem.exists('/'))
self.assertTrue(self.filesystem.exists(top_level_dir))
self.filesystem.create_dir('%s/po' % top_level_dir)
self.filesystem.create_file('%s/po/control' % top_level_dir)
self.filesystem.create_file('%s/po/experiment' % top_level_dir)
self.filesystem.create_dir('%s/gv' % top_level_dir)
self.filesystem.create_file('%s/gv/control' % top_level_dir)
expected = [
('/', ['x'], []),
('/x', ['gv', 'po'], []),
('/x/gv', [], ['control']),
('/x/po', [], ['control', 'experiment']),
]
# as the result is unsorted, we have to check against sorted results
result = sorted([step for step in self.os.walk('/')],
key=lambda l: l[0])
self.assertEqual(len(expected), len(result))
for entry, expected_entry in zip(result, expected):
self.assertEqual(expected_entry[0], entry[0])
self.assertEqual(expected_entry[1], sorted(entry[1]))
self.assertEqual(expected_entry[2], sorted(entry[2]))
class FakePathModuleTest(TestCase):
def setUp(self):
self.orig_time = time.time
time.time = DummyTime(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 check_abspath(self, is_windows):
# the implementation differs in Windows and Posix, so test both
self.filesystem.is_windows_fs = is_windows
filename = u'foo'
abspath = u'!%s' % filename
self.filesystem.create_file(abspath)
self.assertEqual(abspath, self.path.abspath(abspath))
self.assertEqual(abspath, self.path.abspath(filename))
self.assertEqual(abspath, self.path.abspath(u'..!%s' % filename))
def test_abspath_windows(self):
self.check_abspath(is_windows=True)
def test_abspath_posix(self):
"""abspath should return a consistent representation of a file."""
self.check_abspath(is_windows=False)
def check_abspath_bytes(self, is_windows):
"""abspath should return a consistent representation of a file."""
self.filesystem.is_windows_fs = is_windows
filename = b'foo'
abspath = b'!' + filename
self.filesystem.create_file(abspath)
self.assertEqual(abspath, self.path.abspath(abspath))
self.assertEqual(abspath, self.path.abspath(filename))
self.assertEqual(abspath, self.path.abspath(b'..!' + filename))
def test_abspath_bytes_windows(self):
self.check_abspath_bytes(is_windows=True)
def test_abspath_bytes_posix(self):
self.check_abspath_bytes(is_windows=False)
def test_abspath_deals_with_relative_non_root_path(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.create_file(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 test_abs_path_with_drive_component(self):
self.filesystem.is_windows_fs = True
self.filesystem.cwd = 'C:!foo'
self.assertEqual('C:!foo!bar', self.path.abspath('bar'))
self.assertEqual('C:!foo!bar', self.path.abspath('C:bar'))
self.assertEqual('C:!foo!bar', self.path.abspath('!foo!bar'))
def test_isabs_with_drive_component(self):
self.filesystem.is_windows_fs = False
self.assertFalse(self.path.isabs('C:!foo'))
self.assertTrue(self.path.isabs('!'))
self.filesystem.is_windows_fs = True
self.assertTrue(self.path.isabs('C:!foo'))
self.assertTrue(self.path.isabs('!'))
def test_relpath(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!to!foo', 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))
def test_realpath_vs_abspath(self):
self.filesystem.is_windows_fs = False
self.filesystem.create_file('!george!washington!bridge')
self.filesystem.create_symlink('!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'))
@unittest.skipIf(TestCase.is_windows and sys.version_info < (3, 2),
'No Windows support before 3.2')
def test_samefile(self):
file_path1 = '!foo!bar!baz'
file_path2 = '!foo!bar!boo'
self.filesystem.create_file(file_path1)
self.filesystem.create_file(file_path2)
self.assertTrue(self.path.samefile(file_path1, file_path1))
self.assertFalse(self.path.samefile(file_path1, file_path2))
self.assertTrue(
self.path.samefile(file_path1, '!foo!..!foo!bar!..!bar!baz'))
def test_exists(self):
file_path = 'foo!bar!baz'
self.filesystem.create_file(file_path)
self.assertTrue(self.path.exists(file_path))
self.assertFalse(self.path.exists('!some!other!bogus!path'))
@unittest.skipIf(TestCase.is_windows and sys.version_info < (3, 3),
'Links are not supported under Windows before Python 3.3')
def test_lexists(self):
file_path = 'foo!bar!baz'
self.filesystem.create_dir('foo!bar')
self.filesystem.create_symlink(file_path, 'bogus')
self.assertTrue(self.path.lexists(file_path))
self.assertFalse(self.path.exists(file_path))
self.filesystem.create_file('foo!bar!bogus')
self.assertTrue(self.path.exists(file_path))
def test_dirname_with_drive(self):
self.filesystem.is_windows_fs = True
self.assertEqual(u'c:!foo',
self.path.dirname(u'c:!foo!bar'))
self.assertEqual(b'c:!',
self.path.dirname(b'c:!foo'))
self.assertEqual(u'!foo',
self.path.dirname(u'!foo!bar'))
self.assertEqual(b'!',
self.path.dirname(b'!foo'))
self.assertEqual(u'c:foo',
self.path.dirname(u'c:foo!bar'))
self.assertEqual(b'c:',
self.path.dirname(b'c:foo'))
self.assertEqual(u'foo',
self.path.dirname(u'foo!bar'))
def test_dirname(self):
dirname = 'foo!bar'
self.assertEqual(dirname, self.path.dirname('%s!baz' % dirname))
def test_join_strings(self):
components = [u'foo', u'bar', u'baz']
self.assertEqual(u'foo!bar!baz', self.path.join(*components))
def test_join_bytes(self):
components = [b'foo', b'bar', b'baz']
self.assertEqual(b'foo!bar!baz', self.path.join(*components))
def test_expand_user(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'].replace('/', '!'))
@unittest.skipIf(TestCase.is_windows or TestCase.is_cygwin,
'only tested on unix systems')
def test_expand_root(self):
if sys.platform == 'darwin':
roothome = '!var!root'
else:
roothome = '!root'
self.assertEqual(self.path.expanduser('~root'), roothome)
def test_getsize_path_nonexistent(self):
file_path = 'foo!bar!baz'
self.assertRaises(os.error, self.path.getsize, file_path)
def test_getsize_file_empty(self):
file_path = 'foo!bar!baz'
self.filesystem.create_file(file_path)
self.assertEqual(0, self.path.getsize(file_path))
def test_getsize_file_non_zero_size(self):
file_path = 'foo!bar!baz'
self.filesystem.create_file(file_path, contents='1234567')
self.assertEqual(7, self.path.getsize(file_path))
def test_getsize_dir_empty(self):
# For directories, only require that the size is non-negative.
dir_path = 'foo!bar'
self.filesystem.create_dir(dir_path)
size = self.path.getsize(dir_path)
self.assertFalse(int(size) < 0,
'expected non-negative size; actual: %s' % size)
def test_getsize_dir_non_zero_size(self):
# For directories, only require that the size is non-negative.
dir_path = 'foo!bar'
self.filesystem.create_file(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 test_isdir(self):
self.filesystem.create_file('foo!bar')
self.assertTrue(self.path.isdir('foo'))
self.assertFalse(self.path.isdir('foo!bar'))
self.assertFalse(self.path.isdir('it_dont_exist'))
def test_isdir_with_cwd_change(self):
self.filesystem.create_file('!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 test_isfile(self):
self.filesystem.create_file('foo!bar')
self.assertFalse(self.path.isfile('foo'))
self.assertTrue(self.path.isfile('foo!bar'))
self.assertFalse(self.path.isfile('it_dont_exist'))
def test_get_mtime(self):
test_file = self.filesystem.create_file('foo!bar1.txt')
time.time.start()
self.assertEqual(10, test_file.st_mtime)
test_file.st_mtime = 24
self.assertEqual(24, self.path.getmtime('foo!bar1.txt'))
def test_get_mtime_raises_os_error(self):
self.assertFalse(self.path.exists('it_dont_exist'))
self.assert_raises_os_error(errno.ENOENT, self.path.getmtime,
'it_dont_exist')
@unittest.skipIf(TestCase.is_windows and sys.version_info < (3, 3),
'Links are not supported under Windows before Python 3.3')
def test_islink(self):
self.filesystem.create_dir('foo')
self.filesystem.create_file('foo!regular_file')
self.filesystem.create_symlink('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(TestCase.is_windows and sys.version_info < (3, 3),
'Links are not supported under Windows before Python 3.3')
def test_is_link_case_sensitive(self):
# Regression test for #306
self.filesystem.is_case_sensitive = False
self.filesystem.create_dir('foo')
self.filesystem.create_symlink('foo!bar', 'foo')
self.assertTrue(self.path.islink('foo!Bar'))
def test_ismount(self):
self.assertFalse(self.path.ismount(''))
self.assertTrue(self.path.ismount('!'))
self.assertFalse(self.path.ismount('!mount!'))
self.filesystem.add_mount_point('!mount')
self.assertTrue(self.path.ismount('!mount'))
self.assertTrue(self.path.ismount('!mount!'))
def test_ismount_with_drive_letters(self):
self.filesystem.is_windows_fs = True
self.assertTrue(self.path.ismount('!'))
self.assertTrue(self.path.ismount('c:!'))
self.assertFalse(self.path.ismount('c:'))
self.assertTrue(self.path.ismount('z:!'))
self.filesystem.add_mount_point('!mount')
self.assertTrue(self.path.ismount('!mount'))
self.assertTrue(self.path.ismount('!mount!'))
@unittest.skipIf(sys.version_info < (2, 7, 8),
'UNC path support since Python 2.7.8')
def test_ismount_with_unc_paths(self):
self.filesystem.is_windows_fs = True
self.assertTrue(self.path.ismount('!!a!'))
self.assertTrue(self.path.ismount('!!a!b'))
self.assertTrue(self.path.ismount('!!a!b!'))
self.assertFalse(self.path.ismount('!a!b!'))
self.assertFalse(self.path.ismount('!!a!b!c'))
def test_ismount_with_alternate_path_separator(self):
self.filesystem.alternative_path_separator = '!'
self.filesystem.add_mount_point('!mount')
self.assertTrue(self.path.ismount('!mount'))
self.assertTrue(self.path.ismount('!mount!'))
self.assertTrue(self.path.ismount('!mount!!'))
self.filesystem.is_windows_fs = True
self.assertTrue(self.path.ismount('Z:!'))
@unittest.skipIf(sys.version_info >= (3, 0),
'os.path.walk removed in Python 3')
def test_walk(self):
self.filesystem.create_file('!foo!bar!baz')
self.filesystem.create_file('!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, sorted(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 test_walk_from_nonexistent_top_does_not_throw(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)
def test_getattr_forward_to_real_os_path(self):
"""Forwards any non-faked calls to os.path."""
self.assertTrue(hasattr(self.path, 'sep'),
'Get a faked os.path function')
private_path_function = None
if (2, 7) <= sys.version_info < (3, 6):
if self.is_windows:
if sys.version_info >= (3, 0):
private_path_function = '_get_bothseps'
else:
private_path_function = '_abspath_split'
else:
private_path_function = '_joinrealpath'
if private_path_function:
self.assertTrue(hasattr(self.path, private_path_function),
'Get a real os.path function '
'not implemented in fake os.path')
self.assertFalse(hasattr(self.path, 'nonexistent'))
class PathManipulationTestBase(TestCase):
def setUp(self):
self.filesystem = fake_filesystem.FakeFilesystem(path_separator='|')
class CollapsePathPipeSeparatorTest(PathManipulationTestBase):
"""Tests CollapsePath (mimics os.path.normpath) using |
as path separator."""
def test_empty_path_becomes_dot_path(self):
self.assertEqual('.', self.filesystem.normpath(''))
def test_dot_path_unchanged(self):
self.assertEqual('.', self.filesystem.normpath('.'))
def test_slashes_are_not_collapsed(self):
"""Tests that '/' is not treated specially if the
path separator is '|'.
In particular, multiple slashes should not be collapsed.
"""
self.assertEqual('/', self.filesystem.normpath('/'))
self.assertEqual('/////', self.filesystem.normpath('/////'))
def test_root_path(self):
self.assertEqual('|', self.filesystem.normpath('|'))
def test_multiple_separators_collapsed_into_root_path(self):
self.assertEqual('|', self.filesystem.normpath('|||||'))
def test_all_dot_paths_removed_but_one(self):
self.assertEqual('.', self.filesystem.normpath('.|.|.|.'))
def test_all_dot_paths_removed_if_another_path_component_exists(self):
self.assertEqual('|', self.filesystem.normpath('|.|.|.|'))
self.assertEqual('foo|bar', self.filesystem.normpath('foo|.|.|.|bar'))
def test_ignores_up_level_references_starting_from_root(self):
self.assertEqual('|', self.filesystem.normpath('|..|..|..|'))
self.assertEqual(
'|', self.filesystem.normpath('|..|..|foo|bar|..|..|'))
self.filesystem.is_windows_fs = False # not an UNC path
self.assertEqual('|', self.filesystem.normpath('||..|.|..||'))
def test_conserves_up_level_references_starting_from_current_dir(self):
self.assertEqual(
'..|..', self.filesystem.normpath('..|foo|bar|..|..|..'))
def test_combine_dot_and_up_level_references_in_absolute_path(self):
self.assertEqual(
'|yes', self.filesystem.normpath('|||||.|..|||yes|no|..|.|||'))
def test_dots_in_path_collapses_to_last_path(self):
self.assertEqual(
'bar', self.filesystem.normpath('foo|..|bar'))
self.assertEqual(
'bar', self.filesystem.normpath('foo|..|yes|..|no|..|bar'))
class SplitPathTest(PathManipulationTestBase):
"""Tests SplitPath (which mimics os.path.split)
using | as path separator."""
def test_empty_path(self):
self.assertEqual(('', ''), self.filesystem.splitpath(''))
def test_no_separators(self):
self.assertEqual(('', 'ab'), self.filesystem.splitpath('ab'))
def test_slashes_do_not_split(self):
"""Tests that '/' is not treated specially if the
path separator is '|'."""
self.assertEqual(('', 'a/b'), self.filesystem.splitpath('a/b'))
def test_eliminate_trailing_separators_from_head(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 test_root_separator_is_not_stripped(self):
self.assertEqual(('|', ''), self.filesystem.splitpath('|||'))
self.assertEqual(('|', 'a'), self.filesystem.splitpath('|a'))
self.assertEqual(('|', 'a'), self.filesystem.splitpath('|||a'))
def test_empty_tail_if_path_ends_in_separator(self):
self.assertEqual(('a|b', ''), self.filesystem.splitpath('a|b|'))
def test_empty_path_components_are_preserved_in_head(self):
self.assertEqual(('|a||b', 'c'), self.filesystem.splitpath('|a||b||c'))
class JoinPathTest(PathManipulationTestBase):
"""Tests JoinPath (which mimics os.path.join) using | as path separator."""
def test_one_empty_component(self):
self.assertEqual('', self.filesystem.joinpaths(''))
def test_multiple_empty_components(self):
self.assertEqual('', self.filesystem.joinpaths('', '', ''))
def test_separators_not_stripped_from_single_component(self):
self.assertEqual('||a||', self.filesystem.joinpaths('||a||'))
def test_one_separator_added_between_components(self):
self.assertEqual('a|b|c|d',
self.filesystem.joinpaths('a', 'b', 'c', 'd'))
def test_no_separator_added_for_components_ending_in_separator(self):
self.assertEqual('a|b|c', self.filesystem.joinpaths('a|', 'b|', 'c'))
self.assertEqual('a|||b|||c',
self.filesystem.joinpaths('a|||', 'b|||', 'c'))
def test_components_preceding_absolute_component_are_ignored(self):
self.assertEqual('|c|d',
self.filesystem.joinpaths('a', '|b', '|c', 'd'))
def test_one_separator_added_for_trailing_empty_components(self):
self.assertEqual('a|', self.filesystem.joinpaths('a', ''))
self.assertEqual('a|', self.filesystem.joinpaths('a', '', ''))
def test_no_separator_added_for_leading_empty_components(self):
self.assertEqual('a', self.filesystem.joinpaths('', 'a'))
def test_internal_empty_components_ignored(self):
self.assertEqual('a|b', self.filesystem.joinpaths('a', '', 'b'))
self.assertEqual('a|b|', self.filesystem.joinpaths('a|', '', 'b|'))
class PathSeparatorTest(TestCase):
def test_os_path_sep_matches_fake_filesystem_separator(self):
filesystem = fake_filesystem.FakeFilesystem(path_separator='!')
fake_os = fake_filesystem.FakeOsModule(filesystem)
self.assertEqual('!', fake_os.sep)
self.assertEqual('!', fake_os.path.sep)
class NormalizeCaseTest(TestCase):
def setUp(self):
self.filesystem = fake_filesystem.FakeFilesystem(path_separator='/')
self.filesystem.is_case_sensitive = False
def test_normalize_case(self):
self.filesystem.create_file('/Foo/Bar')
self.assertEqual('/Foo/Bar',
self.filesystem._original_path('/foo/bar'))
self.assertEqual('/Foo/Bar',
self.filesystem._original_path('/FOO/BAR'))
def test_normalize_case_for_drive(self):
self.filesystem.is_windows_fs = True
self.filesystem.create_file('C:/Foo/Bar')
self.assertEqual('C:/Foo/Bar',
self.filesystem._original_path('c:/foo/bar'))
self.assertEqual('C:/Foo/Bar',
self.filesystem._original_path('C:/FOO/BAR'))
def test_normalize_case_for_non_existing_file(self):
self.filesystem.create_dir('/Foo/Bar')
self.assertEqual('/Foo/Bar/baz',
self.filesystem._original_path('/foo/bar/baz'))
self.assertEqual('/Foo/Bar/BAZ',
self.filesystem._original_path('/FOO/BAR/BAZ'))
@unittest.skipIf(not TestCase.is_windows,
'Regression test for Windows problem only')
def test_normalize_case_for_lazily_added_empty_file(self):
# regression test for specific issue with added empty real files
filesystem = fake_filesystem.FakeFilesystem()
real_dir_path = os.path.split(
os.path.dirname(os.path.abspath(__file__)))[0]
filesystem.add_real_directory(real_dir_path)
initPyPath = os.path.join(real_dir_path, '__init__.py')
self.assertEqual(initPyPath,
filesystem._original_path(initPyPath.upper()))
class AlternativePathSeparatorTest(TestCase):
def setUp(self):
self.filesystem = fake_filesystem.FakeFilesystem(path_separator='!')
self.filesystem.alternative_path_separator = '?'
def test_initial_value(self):
filesystem = fake_filesystem.FakeFilesystem()
if self.is_windows:
self.assertEqual('/', filesystem.alternative_path_separator)
else:
self.assertIsNone(filesystem.alternative_path_separator)
filesystem = fake_filesystem.FakeFilesystem(path_separator='/')
self.assertIsNone(filesystem.alternative_path_separator)
def test_alt_sep(self):
fake_os = fake_filesystem.FakeOsModule(self.filesystem)
self.assertEqual('?', fake_os.altsep)
self.assertEqual('?', fake_os.path.altsep)
def test_collapse_path_with_mixed_separators(self):
self.assertEqual('!foo!bar', self.filesystem.normpath('!foo??bar'))
def test_normalize_path_with_mixed_separators(self):
path = 'foo?..?bar'
self.assertEqual('!bar', self.filesystem.absnormpath(path))
def test_exists_with_mixed_separators(self):
self.filesystem.create_file('?foo?bar?baz')
self.filesystem.create_file('!foo!bar!xyzzy!plugh')
self.assertTrue(self.filesystem.exists('!foo!bar!baz'))
self.assertTrue(self.filesystem.exists('?foo?bar?xyzzy?plugh'))
class DriveLetterSupportTest(TestCase):
def setUp(self):
self.filesystem = fake_filesystem.FakeFilesystem(path_separator='!')
self.filesystem.is_windows_fs = True
def test_initial_value(self):
filesystem = fake_filesystem.FakeFilesystem()
if self.is_windows:
self.assertTrue(filesystem.is_windows_fs)
else:
self.assertFalse(filesystem.is_windows_fs)
def test_collapse_path(self):
self.assertEqual('c:!foo!bar',
self.filesystem.normpath('c:!!foo!!bar'))
@unittest.skipIf(sys.version_info < (2, 7, 8),
'UNC path support since Python 2.7.8')
def test_collapse_unc_path(self):
self.assertEqual('!!foo!bar!baz',
self.filesystem.normpath('!!foo!bar!!baz!!'))
def test_normalize_path_str(self):
self.filesystem.cwd = u''
self.assertEqual(u'c:!foo!bar',
self.filesystem.absnormpath(u'c:!foo!!bar'))
self.filesystem.cwd = u'c:!foo'
self.assertEqual(u'c:!foo!bar', self.filesystem.absnormpath(u'bar'))
def test_normalize_path_bytes(self):
self.filesystem.cwd = b''
self.assertEqual(b'c:!foo!bar',
self.filesystem.absnormpath(b'c:!foo!!bar'))
self.filesystem.cwd = b'c:!foo'
self.assertEqual(b'c:!foo!bar', self.filesystem.absnormpath(b'bar'))
def test_split_path_str(self):
self.assertEqual((u'c:!foo', u'bar'),
self.filesystem.splitpath(u'c:!foo!bar'))
self.assertEqual((u'c:!', u'foo'),
self.filesystem.splitpath(u'c:!foo'))
self.assertEqual((u'!foo', u'bar'),
self.filesystem.splitpath(u'!foo!bar'))
self.assertEqual((u'!', u'foo'),
self.filesystem.splitpath(u'!foo'))
self.assertEqual((u'c:foo', u'bar'),
self.filesystem.splitpath(u'c:foo!bar'))
self.assertEqual((u'c:', u'foo'),
self.filesystem.splitpath(u'c:foo'))
self.assertEqual((u'foo', u'bar'),
self.filesystem.splitpath(u'foo!bar'))
def test_split_path_bytes(self):
self.assertEqual((b'c:!foo', b'bar'),
self.filesystem.splitpath(b'c:!foo!bar'))
self.assertEqual((b'c:!', b'foo'),
self.filesystem.splitpath(b'c:!foo'))
self.assertEqual((b'!foo', b'bar'),
self.filesystem.splitpath(b'!foo!bar'))
self.assertEqual((b'!', b'foo'),
self.filesystem.splitpath(b'!foo'))
self.assertEqual((b'c:foo', b'bar'),
self.filesystem.splitpath(b'c:foo!bar'))
self.assertEqual((b'c:', b'foo'),
self.filesystem.splitpath(b'c:foo'))
self.assertEqual((b'foo', b'bar'),
self.filesystem.splitpath(b'foo!bar'))
def test_characters_before_root_ignored_in_join_paths(self):
self.assertEqual('c:d', self.filesystem.joinpaths('b', 'c:', 'd'))
def test_resolve_path(self):
self.assertEqual('c:!foo!bar',
self.filesystem.resolve_path('c:!foo!bar'))
def test_get_path_components(self):
self.assertEqual(['c:', 'foo', 'bar'],
self.filesystem._path_components('c:!foo!bar'))
self.assertEqual(['c:'], self.filesystem._path_components('c:'))
def test_split_drive_str(self):
self.assertEqual((u'c:', u'!foo!bar'),
self.filesystem.splitdrive(u'c:!foo!bar'))
self.assertEqual((u'', u'!foo!bar'),
self.filesystem.splitdrive(u'!foo!bar'))
self.assertEqual((u'c:', u'foo!bar'),
self.filesystem.splitdrive(u'c:foo!bar'))
self.assertEqual((u'', u'foo!bar'),
self.filesystem.splitdrive(u'foo!bar'))
def test_split_drive_bytes(self):
self.assertEqual((b'c:', b'!foo!bar'),
self.filesystem.splitdrive(b'c:!foo!bar'))
self.assertEqual((b'', b'!foo!bar'),
self.filesystem.splitdrive(b'!foo!bar'))
@unittest.skipIf(sys.version_info < (2, 7, 8),
'UNC path support since Python 2.7.8')
def test_split_drive_with_unc_path(self):
self.assertEqual(('!!foo!bar', '!baz'),
self.filesystem.splitdrive('!!foo!bar!baz'))
self.assertEqual(('', '!!foo'), self.filesystem.splitdrive('!!foo'))
self.assertEqual(('', '!!foo!!bar'),
self.filesystem.splitdrive('!!foo!!bar'))
self.assertEqual(('!!foo!bar', '!!'),
self.filesystem.splitdrive('!!foo!bar!!'))
class DiskSpaceTest(TestCase):
def setUp(self):
self.filesystem = fake_filesystem.FakeFilesystem(path_separator='!',
total_size=100)
self.os = fake_filesystem.FakeOsModule(self.filesystem)
def test_disk_usage_on_file_creation(self):
fake_open = fake_filesystem.FakeFileOpen(self.filesystem)
total_size = 100
self.filesystem.add_mount_point('mount', total_size)
def create_too_large_file():
with fake_open('!mount!file', 'w') as dest:
dest.write('a' * (total_size + 1))
self.assertRaises((OSError, IOError), create_too_large_file)
self.assertEqual(0, self.filesystem.get_disk_usage('!mount').used)
with fake_open('!mount!file', 'w') as dest:
dest.write('a' * total_size)
self.assertEqual(total_size,
self.filesystem.get_disk_usage('!mount').used)
def test_file_system_size_after_large_file_creation(self):
filesystem = fake_filesystem.FakeFilesystem(
path_separator='!', total_size=1024 * 1024 * 1024 * 100)
filesystem.create_file('!foo!baz', st_size=1024 * 1024 * 1024 * 10)
self.assertEqual((1024 * 1024 * 1024 * 100,
1024 * 1024 * 1024 * 10,
1024 * 1024 * 1024 * 90),
filesystem.get_disk_usage())
def test_file_system_size_after_binary_file_creation(self):
self.filesystem.create_file('!foo!bar', contents=b'xyzzy')
self.assertEqual((100, 5, 95), self.filesystem.get_disk_usage())
def test_file_system_size_after_ascii_string_file_creation(self):
self.filesystem.create_file('!foo!bar', contents=u'complicated')
self.assertEqual((100, 11, 89), self.filesystem.get_disk_usage())
def test_filesystem_size_after_2byte_unicode_file_creation(self):
self.filesystem.create_file('!foo!bar', contents=u'сложно',
encoding='utf-8')
self.assertEqual((100, 12, 88), self.filesystem.get_disk_usage())
def test_filesystem_size_after_3byte_unicode_file_creation(self):
self.filesystem.create_file('!foo!bar', contents=u'複雑',
encoding='utf-8')
self.assertEqual((100, 6, 94), self.filesystem.get_disk_usage())
def test_file_system_size_after_file_deletion(self):
self.filesystem.create_file('!foo!bar', contents=b'xyzzy')
self.filesystem.create_file('!foo!baz', st_size=20)
self.filesystem.remove_object('!foo!bar')
self.assertEqual((100, 20, 80), self.filesystem.get_disk_usage())
def test_file_system_size_after_directory_removal(self):
self.filesystem.create_file('!foo!bar', st_size=10)
self.filesystem.create_file('!foo!baz', st_size=20)
self.filesystem.create_file('!foo1!bar', st_size=40)
self.filesystem.remove_object('!foo')
self.assertEqual((100, 40, 60), self.filesystem.get_disk_usage())
def test_creating_file_with_fitting_content(self):
initial_usage = self.filesystem.get_disk_usage()
try:
self.filesystem.create_file('!foo!bar', contents=b'a' * 100)
except IOError:
self.fail('File with contents fitting into disk space '
'could not be written.')
self.assertEqual(initial_usage.used + 100,
self.filesystem.get_disk_usage().used)
def test_creating_file_with_content_too_large(self):
def create_large_file():
self.filesystem.create_file('!foo!bar', contents=b'a' * 101)
initial_usage = self.filesystem.get_disk_usage()
self.assertRaises(IOError, create_large_file)
self.assertEqual(initial_usage, self.filesystem.get_disk_usage())
def test_creating_file_with_fitting_size(self):
initial_usage = self.filesystem.get_disk_usage()
try:
self.filesystem.create_file('!foo!bar', st_size=100)
except IOError:
self.fail(
'File with size fitting into disk space could not be written.')
self.assertEqual(initial_usage.used + 100,
self.filesystem.get_disk_usage().used)
def test_creating_file_with_size_too_large(self):
initial_usage = self.filesystem.get_disk_usage()
def create_large_file():
self.filesystem.create_file('!foo!bar', st_size=101)
self.assertRaises(IOError, create_large_file)
self.assertEqual(initial_usage, self.filesystem.get_disk_usage())
def test_resize_file_with_fitting_size(self):
file_object = self.filesystem.create_file('!foo!bar', st_size=50)
try:
file_object.set_large_file_size(100)
file_object.set_contents(b'a' * 100)
except IOError:
self.fail(
'Resizing file failed although disk space was sufficient.')
def test_resize_file_with_size_too_large(self):
file_object = self.filesystem.create_file('!foo!bar', st_size=50)
self.assert_raises_io_error(errno.ENOSPC,
file_object.set_large_file_size, 200)
self.assert_raises_io_error(errno.ENOSPC, file_object.set_contents,
'a' * 150)
def test_file_system_size_after_directory_rename(self):
self.filesystem.create_file('!foo!bar', st_size=20)
self.os.rename('!foo', '!baz')
self.assertEqual(20, self.filesystem.get_disk_usage().used)
def test_file_system_size_after_file_rename(self):
self.filesystem.create_file('!foo!bar', st_size=20)
self.os.rename('!foo!bar', '!foo!baz')
self.assertEqual(20, self.filesystem.get_disk_usage().used)
@unittest.skipIf(TestCase.is_windows and sys.version_info < (3, 3),
'Links are not supported under Windows before Python 3.3')
def test_that_hard_link_does_not_change_used_size(self):
file1_path = 'test_file1'
file2_path = 'test_file2'
self.filesystem.create_file(file1_path, st_size=20)
self.assertEqual(20, self.filesystem.get_disk_usage().used)
# creating a hard link shall not increase used space
self.os.link(file1_path, file2_path)
self.assertEqual(20, self.filesystem.get_disk_usage().used)
# removing a file shall not decrease used space
# if a hard link still exists
self.os.unlink(file1_path)
self.assertEqual(20, self.filesystem.get_disk_usage().used)
self.os.unlink(file2_path)
self.assertEqual(0, self.filesystem.get_disk_usage().used)
def test_that_the_size_of_correct_mount_point_is_used(self):
self.filesystem.add_mount_point('!mount_limited', total_size=50)
self.filesystem.add_mount_point('!mount_unlimited')
self.assert_raises_io_error(errno.ENOSPC,
self.filesystem.create_file,
'!mount_limited!foo', st_size=60)
self.assert_raises_io_error(errno.ENOSPC, self.filesystem.create_file,
'!bar', st_size=110)
try:
self.filesystem.create_file('!foo', st_size=60)
self.filesystem.create_file('!mount_limited!foo', st_size=40)
self.filesystem.create_file('!mount_unlimited!foo',
st_size=1000000)
except IOError:
self.fail('File with contents fitting into '
'disk space could not be written.')
def test_that_disk_usage_of_correct_mount_point_is_used(self):
self.filesystem.add_mount_point('!mount1', total_size=20)
self.filesystem.add_mount_point('!mount1!bar!mount2', total_size=50)
self.filesystem.create_file('!foo!bar', st_size=10)
self.filesystem.create_file('!mount1!foo!bar', st_size=10)
self.filesystem.create_file('!mount1!bar!mount2!foo!bar', st_size=10)
self.assertEqual(90, self.filesystem.get_disk_usage('!foo').free)
self.assertEqual(10,
self.filesystem.get_disk_usage('!mount1!foo').free)
self.assertEqual(40, self.filesystem.get_disk_usage(
'!mount1!bar!mount2').free)
def test_set_larger_disk_size(self):
self.filesystem.add_mount_point('!mount1', total_size=20)
self.assert_raises_io_error(errno.ENOSPC,
self.filesystem.create_file, '!mount1!foo',
st_size=100)
self.filesystem.set_disk_usage(total_size=200, path='!mount1')
self.filesystem.create_file('!mount1!foo', st_size=100)
self.assertEqual(100,
self.filesystem.get_disk_usage('!mount1!foo').free)
def test_set_smaller_disk_size(self):
self.filesystem.add_mount_point('!mount1', total_size=200)
self.filesystem.create_file('!mount1!foo', st_size=100)
self.assert_raises_io_error(errno.ENOSPC,
self.filesystem.set_disk_usage,
total_size=50, path='!mount1')
self.filesystem.set_disk_usage(total_size=150, path='!mount1')
self.assertEqual(50,
self.filesystem.get_disk_usage('!mount1!foo').free)
def test_disk_size_on_unlimited_disk(self):
self.filesystem.add_mount_point('!mount1')
self.filesystem.create_file('!mount1!foo', st_size=100)
self.filesystem.set_disk_usage(total_size=1000, path='!mount1')
self.assertEqual(900,
self.filesystem.get_disk_usage('!mount1!foo').free)
def test_disk_size_on_auto_mounted_drive_on_file_creation(self):
self.filesystem.is_windows_fs = True
# drive d: shall be auto-mounted and the used size adapted
self.filesystem.create_file('d:!foo!bar', st_size=100)
self.filesystem.set_disk_usage(total_size=1000, path='d:')
self.assertEqual(self.filesystem.get_disk_usage('d:!foo').free, 900)
def test_disk_size_on_auto_mounted_drive_on_directory_creation(self):
self.filesystem.is_windows_fs = True
self.filesystem.create_dir('d:!foo!bar')
self.filesystem.create_file('d:!foo!bar!baz', st_size=100)
self.filesystem.create_file('d:!foo!baz', st_size=100)
self.filesystem.set_disk_usage(total_size=1000, path='d:')
self.assertEqual(self.filesystem.get_disk_usage('d:!foo').free, 800)
@unittest.skipIf(sys.version_info < (3, 0),
'Tests byte contents in Python3')
def test_copying_preserves_byte_contents(self):
source_file = self.filesystem.create_file('foo', contents=b'somebytes')
dest_file = self.filesystem.create_file('bar')
dest_file.set_contents(source_file.contents)
self.assertEqual(dest_file.contents, source_file.contents)
class MountPointTest(TestCase):
def setUp(self):
self.filesystem = fake_filesystem.FakeFilesystem(path_separator='!',
total_size=100)
self.filesystem.add_mount_point('!foo')
self.filesystem.add_mount_point('!bar')
self.filesystem.add_mount_point('!foo!baz')
def test_that_new_mount_points_get_new_device_number(self):
self.assertEqual(1, self.filesystem.get_object('!').st_dev)
self.assertEqual(2, self.filesystem.get_object('!foo').st_dev)
self.assertEqual(3, self.filesystem.get_object('!bar').st_dev)
self.assertEqual(4, self.filesystem.get_object('!foo!baz').st_dev)
def test_that_new_directories_get_correct_device_number(self):
self.assertEqual(1, self.filesystem.create_dir('!foo1!bar').st_dev)
self.assertEqual(2, self.filesystem.create_dir('!foo!bar').st_dev)
self.assertEqual(4,
self.filesystem.create_dir('!foo!baz!foo!bar').st_dev)
def test_that_new_files_get_correct_device_number(self):
self.assertEqual(1, self.filesystem.create_file('!foo1!bar').st_dev)
self.assertEqual(2, self.filesystem.create_file('!foo!bar').st_dev)
self.assertEqual(4, self.filesystem.create_file(
'!foo!baz!foo!bar').st_dev)
def test_that_mount_point_cannot_be_added_twice(self):
self.assert_raises_os_error(errno.EEXIST,
self.filesystem.add_mount_point, '!foo')
self.assert_raises_os_error(errno.EEXIST,
self.filesystem.add_mount_point, '!foo!')
def test_that_drives_are_auto_mounted(self):
self.filesystem.is_windows_fs = True
self.filesystem.create_dir('d:!foo!bar')
self.filesystem.create_file('d:!foo!baz')
self.filesystem.create_file('z:!foo!baz')
self.assertEqual(5, self.filesystem.get_object('d:').st_dev)
self.assertEqual(5, self.filesystem.get_object('d:!foo!bar').st_dev)
self.assertEqual(5, self.filesystem.get_object('d:!foo!baz').st_dev)
self.assertEqual(6, self.filesystem.get_object('z:!foo!baz').st_dev)
def test_that_drives_are_auto_mounted_case_insensitive(self):
self.filesystem.is_windows_fs = True
self.filesystem.is_case_sensitive = False
self.filesystem.create_dir('D:!foo!bar')
self.filesystem.create_file('e:!foo!baz')
self.assertEqual(5, self.filesystem.get_object('D:').st_dev)
self.assertEqual(5, self.filesystem.get_object('d:!foo!bar').st_dev)
self.assertEqual(6, self.filesystem.get_object('e:!foo').st_dev)
self.assertEqual(6, self.filesystem.get_object('E:!Foo!Baz').st_dev)
@unittest.skipIf(sys.version_info < (2, 7, 8),
'UNC path support since Python 2.7.8')
def test_that_unc_paths_are_auto_mounted(self):
self.filesystem.is_windows_fs = True
self.filesystem.create_dir('!!foo!bar!baz')
self.filesystem.create_file('!!foo!bar!bip!bop')
self.assertEqual(5, self.filesystem.get_object('!!foo!bar').st_dev)
self.assertEqual(5, self.filesystem.get_object(
'!!foo!bar!bip!bop').st_dev)
class RealFileSystemAccessTest(TestCase):
def setUp(self):
# use the real path separator to work with the real file system
self.filesystem = fake_filesystem.FakeFilesystem()
self.fake_open = fake_filesystem.FakeFileOpen(self.filesystem)
self.pyfakefs_path = os.path.split(
os.path.dirname(os.path.abspath(__file__)))[0]
self.root_path = os.path.split(self.pyfakefs_path)[0]
def test_add_non_existing_real_file_raises(self):
nonexisting_path = os.path.join('nonexisting', 'test.txt')
self.assertRaises(OSError, self.filesystem.add_real_file,
nonexisting_path)
self.assertFalse(self.filesystem.exists(nonexisting_path))
def test_add_non_existing_real_directory_raises(self):
nonexisting_path = '/nonexisting'
self.assert_raises_io_error(errno.ENOENT,
self.filesystem.add_real_directory,
nonexisting_path)
self.assertFalse(self.filesystem.exists(nonexisting_path))
def test_existing_fake_file_raises(self):
real_file_path = __file__
self.filesystem.create_file(real_file_path)
self.assert_raises_os_error(errno.EEXIST,
self.filesystem.add_real_file,
real_file_path)
def test_existing_fake_directory_raises(self):
self.filesystem.create_dir(self.root_path)
self.assert_raises_os_error(errno.EEXIST,
self.filesystem.add_real_directory,
self.root_path)
def check_fake_file_stat(self, fake_file, real_file_path,
target_path=None):
if target_path is None or target_path == real_file_path:
self.assertTrue(self.filesystem.exists(real_file_path))
else:
self.assertFalse(self.filesystem.exists(real_file_path))
self.assertTrue(self.filesystem.exists(target_path))
real_stat = os.stat(real_file_path)
self.assertIsNone(fake_file._byte_contents)
self.assertEqual(fake_file.st_size, real_stat.st_size)
self.assertAlmostEqual(fake_file.st_ctime, real_stat.st_ctime,
places=5)
self.assertAlmostEqual(fake_file.st_atime, real_stat.st_atime,
places=5)
self.assertAlmostEqual(fake_file.st_mtime, real_stat.st_mtime,
places=5)
self.assertEqual(fake_file.st_uid, real_stat.st_uid)
self.assertEqual(fake_file.st_gid, real_stat.st_gid)
def check_read_only_file(self, fake_file, real_file_path):
with open(real_file_path, 'rb') as f:
real_contents = f.read()
self.assertEqual(fake_file.byte_contents, real_contents)
if not is_root():
self.assert_raises_io_error(
errno.EACCES, self.fake_open, real_file_path, 'w')
else:
with self.fake_open(real_file_path, 'w'):
pass
def check_writable_file(self, fake_file, real_file_path):
with open(real_file_path, 'rb') as f:
real_contents = f.read()
self.assertEqual(fake_file.byte_contents, real_contents)
with self.fake_open(real_file_path, 'wb') as f:
f.write(b'test')
with open(real_file_path, 'rb') as f:
real_contents1 = f.read()
self.assertEqual(real_contents1, real_contents)
with self.fake_open(real_file_path, 'rb') as f:
fake_contents = f.read()
self.assertEqual(fake_contents, b'test')
def test_add_existing_real_file_read_only(self):
real_file_path = os.path.abspath(__file__)
fake_file = self.filesystem.add_real_file(real_file_path)
self.check_fake_file_stat(fake_file, real_file_path)
self.assertEqual(fake_file.st_mode & 0o333, 0)
self.check_read_only_file(fake_file, real_file_path)
def test_add_existing_real_file_read_write(self):
real_file_path = os.path.realpath(__file__)
fake_file = self.filesystem.add_real_file(real_file_path,
read_only=False)
self.check_fake_file_stat(fake_file, real_file_path)
self.assertEqual(fake_file.st_mode, os.stat(real_file_path).st_mode)
self.check_writable_file(fake_file, real_file_path)
def test_add_real_file_to_existing_path(self):
real_file_path = os.path.abspath(__file__)
self.filesystem.create_file('/foo/bar')
self.assert_raises_os_error(
errno.EEXIST, self.filesystem.add_real_file,
real_file_path, target_path='/foo/bar')
def test_add_real_file_to_non_existing_path(self):
real_file_path = os.path.abspath(__file__)
fake_file = self.filesystem.add_real_file(real_file_path,
target_path='/foo/bar')
self.check_fake_file_stat(fake_file, real_file_path,
target_path='/foo/bar')
def test_write_to_real_file(self):
# regression test for #470
real_file_path = os.path.abspath(__file__)
self.filesystem.add_real_file(real_file_path, read_only=False)
with self.fake_open(real_file_path, 'w') as f:
f.write('foo')
with self.fake_open(real_file_path, 'rb') as f:
self.assertEqual(b'foo', f.read())
def test_add_existing_real_directory_read_only(self):
self.filesystem.add_real_directory(self.pyfakefs_path)
self.assertTrue(self.filesystem.exists(self.pyfakefs_path))
self.assertTrue(self.filesystem.exists(
os.path.join(self.pyfakefs_path, 'fake_filesystem.py')))
self.assertTrue(self.filesystem.exists(
os.path.join(self.pyfakefs_path, 'fake_pathlib.py')))
file_path = os.path.join(self.pyfakefs_path,
'fake_filesystem_shutil.py')
fake_file = self.filesystem.resolve(file_path)
self.check_fake_file_stat(fake_file, file_path)
self.check_read_only_file(fake_file, file_path)
def test_add_existing_real_directory_tree(self):
self.filesystem.add_real_directory(self.root_path)
self.assertTrue(
self.filesystem.exists(
os.path.join(self.root_path, 'pyfakefs', 'tests',
'fake_filesystem_test.py')))
self.assertTrue(
self.filesystem.exists(
os.path.join(self.root_path, 'pyfakefs',
'fake_filesystem.py')))
self.assertTrue(
self.filesystem.exists(
os.path.join(self.root_path, 'pyfakefs', '__init__.py')))
def test_add_existing_real_directory_tree_to_existing_path(self):
self.filesystem.create_dir('/foo/bar')
self.assert_raises_os_error(errno.EEXIST,
self.filesystem.add_real_directory,
self.root_path,
target_path='/foo/bar')
def test_add_existing_real_directory_tree_to_other_path(self):
self.filesystem.add_real_directory(self.root_path,
target_path='/foo/bar')
self.assertFalse(
self.filesystem.exists(
os.path.join(self.pyfakefs_path, 'tests',
'fake_filesystem_test.py')))
self.assertTrue(
self.filesystem.exists(
os.path.join('foo', 'bar', 'pyfakefs', 'tests',
'fake_filesystem_test.py')))
self.assertFalse(
self.filesystem.exists(
os.path.join(self.root_path, 'pyfakefs',
'fake_filesystem.py')))
self.assertTrue(
self.filesystem.exists(
os.path.join('foo', 'bar', 'pyfakefs', '__init__.py')))
def test_get_object_from_lazily_added_real_directory(self):
self.filesystem.is_case_sensitive = True
self.filesystem.add_real_directory(self.root_path)
self.assertTrue(self.filesystem.get_object(
os.path.join(self.root_path, 'pyfakefs', 'fake_filesystem.py')))
self.assertTrue(
self.filesystem.get_object(
os.path.join(self.root_path, 'pyfakefs', '__init__.py')))
def test_add_existing_real_directory_lazily(self):
disk_size = 1024 * 1024 * 1024
real_dir_path = os.path.join(self.root_path, 'pyfakefs')
self.filesystem.set_disk_usage(disk_size, real_dir_path)
self.filesystem.add_real_directory(real_dir_path)
# the directory contents have not been read, the the disk usage
# has not changed
self.assertEqual(disk_size,
self.filesystem.get_disk_usage(real_dir_path).free)
# checking for existence shall read the directory contents
self.assertTrue(
self.filesystem.get_object(
os.path.join(real_dir_path, 'fake_filesystem.py')))
# so now the free disk space shall have decreased
self.assertGreater(disk_size,
self.filesystem.get_disk_usage(real_dir_path).free)
def test_add_existing_real_directory_not_lazily(self):
disk_size = 1024 * 1024 * 1024
self.filesystem.set_disk_usage(disk_size, self.pyfakefs_path)
self.filesystem.add_real_directory(self.pyfakefs_path, lazy_read=False)
# the directory has been read, so the file sizes have
# been subtracted from the free space
self.assertGreater(disk_size, self.filesystem.get_disk_usage(
self.pyfakefs_path).free)
def test_add_existing_real_directory_read_write(self):
self.filesystem.add_real_directory(self.pyfakefs_path, read_only=False)
self.assertTrue(self.filesystem.exists(self.pyfakefs_path))
self.assertTrue(self.filesystem.exists(
os.path.join(self.pyfakefs_path, 'fake_filesystem.py')))
self.assertTrue(self.filesystem.exists(
os.path.join(self.pyfakefs_path, 'fake_pathlib.py')))
file_path = os.path.join(self.pyfakefs_path, 'pytest_plugin.py')
fake_file = self.filesystem.resolve(file_path)
self.check_fake_file_stat(fake_file, file_path)
self.check_writable_file(fake_file, file_path)
def test_add_existing_real_paths_read_only(self):
real_file_path = os.path.realpath(__file__)
fixture_path = os.path.join(self.pyfakefs_path, 'tests', 'fixtures')
self.filesystem.add_real_paths([real_file_path, fixture_path])
fake_file = self.filesystem.resolve(real_file_path)
self.check_fake_file_stat(fake_file, real_file_path)
self.check_read_only_file(fake_file, real_file_path)
real_file_path = os.path.join(fixture_path,
'module_with_attributes.py')
fake_file = self.filesystem.resolve(real_file_path)
self.check_fake_file_stat(fake_file, real_file_path)
self.check_read_only_file(fake_file, real_file_path)
def test_add_existing_real_paths_read_write(self):
real_file_path = os.path.realpath(__file__)
fixture_path = os.path.join(self.pyfakefs_path, 'tests', 'fixtures')
self.filesystem.add_real_paths([real_file_path, fixture_path],
read_only=False)
fake_file = self.filesystem.resolve(real_file_path)
self.check_fake_file_stat(fake_file, real_file_path)
self.check_writable_file(fake_file, real_file_path)
real_file_path = os.path.join(fixture_path,
'module_with_attributes.py')
fake_file = self.filesystem.resolve(real_file_path)
self.check_fake_file_stat(fake_file, real_file_path)
self.check_writable_file(fake_file, real_file_path)
class FileSideEffectTests(TestCase):
def side_effect(self):
test_case = self
test_case.side_effect_called = False
def __side_effect(file_object):
test_case.side_effect_called = True
test_case.side_effect_file_object_content = file_object.contents
return __side_effect
def setUp(self):
# use the real path separator to work with the real file system
self.filesystem = fake_filesystem.FakeFilesystem()
self.filesystem.create_file('/a/b/file_one',
side_effect=self.side_effect())
def test_side_effect_called(self):
fake_open = fake_filesystem.FakeFileOpen(self.filesystem)
self.side_effect_called = False
with fake_open('/a/b/file_one', 'w') as handle:
handle.write('foo')
self.assertTrue(self.side_effect_called)
def test_side_effect_file_object(self):
fake_open = fake_filesystem.FakeFileOpen(self.filesystem)
self.side_effect_called = False
with fake_open('/a/b/file_one', 'w') as handle:
handle.write('foo')
self.assertEquals(self.side_effect_file_object_content, 'foo')
if __name__ == '__main__':
unittest.main()