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# # 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. """ Unittests for fake_pathlib. As most of fake_pathlib is a wrapper around fake_filesystem methods, the tests are there mostly to ensure basic functionality. Note that many of the tests are directly taken from examples in the python docs. """ import contextlib import errno import os import pathlib import stat import sys import unittest from collections import namedtuple from unittest import mock from unittest.mock import patch from pyfakefs import fake_pathlib, fake_filesystem, fake_filesystem_unittest, fake_os from pyfakefs.fake_filesystem import OSType, FakeFilesystem from pyfakefs.fake_pathlib import FakePathlibModule from pyfakefs.helpers import IS_PYPY, is_root from pyfakefs.tests.skipped_pathlib import ( check_exists_pathlib, read_bytes_pathlib, read_pathlib, read_text_pathlib, ) from pyfakefs.tests.test_utils import RealFsTestMixin, skip_if_symlink_not_supported is_windows = sys.platform == "win32" class RealPathlibTestCase(fake_filesystem_unittest.TestCase, RealFsTestMixin): is_windows = sys.platform == "win32" def __init__(self, methodName="runTest"): fake_filesystem_unittest.TestCase.__init__(self, methodName) RealFsTestMixin.__init__(self) def used_pathlib(self): return pathlib def setUp(self): RealFsTestMixin.setUp(self) self.filesystem = None self.real_os = os if not self.use_real_fs(): self.setUpPyfakefs() self.filesystem = self.fs self.create_basepath() self.pathlib = self.used_pathlib() self.path = self.pathlib.Path self.os = os self.open = open def use_real_fs(self): return False def deprecation_warning_since_313(self): return ( contextlib.nullcontext() if sys.version_info < (3, 13) else self.assertWarns(DeprecationWarning) ) class FakePathlibInitializationTest(RealPathlibTestCase): def test_initialization_type(self): """Make sure tests for class type will work""" path = self.path("/test") if is_windows: self.assertTrue(isinstance(path, self.pathlib.WindowsPath)) self.assertTrue(isinstance(path, self.pathlib.PureWindowsPath)) self.assertTrue(self.pathlib.PurePosixPath()) # in fake fs, we allow to use the other OS implementation if self.use_real_fs(): with self.assertRaises(NotImplementedError): self.pathlib.PosixPath() else: self.assertTrue(self.pathlib.PosixPath()) else: self.assertTrue(isinstance(path, self.pathlib.PosixPath)) self.assertTrue(isinstance(path, self.pathlib.PurePosixPath)) self.assertTrue(self.pathlib.PureWindowsPath()) if self.use_real_fs(): with self.assertRaises(NotImplementedError): self.pathlib.WindowsPath() else: self.assertTrue(self.pathlib.WindowsPath()) def test_init_with_segments(self): """Basic initialization tests - taken from pathlib.Path documentation. """ self.assertEqual(self.path("/", "foo", "bar", "baz"), self.path("/foo/bar/baz")) self.assertEqual(self.path(), self.path(".")) self.assertEqual( self.path(self.path("foo"), self.path("bar")), self.path("foo/bar") ) self.assertEqual( self.path("/etc") / "init.d" / "reboot", self.path("/etc/init.d/reboot"), ) def test_init_collapse(self): """Tests for collapsing path during initialization. Taken from pathlib.PurePath documentation. """ self.assertEqual(self.path("foo//bar"), self.path("foo/bar")) self.assertEqual(self.path("foo/./bar"), self.path("foo/bar")) self.assertNotEqual(self.path("foo/../bar"), self.path("foo/bar")) self.assertEqual(self.path("/etc", "/usr", "lib64"), self.path("/usr/lib64")) def test_path_parts(self): sep = self.os.path.sep path = self.path(sep + self.os.path.join("foo", "bar", "setup.py")) self.assertEqual(path.parts, (sep, "foo", "bar", "setup.py")) self.assertEqual(path.drive, "") self.assertEqual(path.root, sep) self.assertEqual(path.anchor, sep) self.assertEqual(path.name, "setup.py") self.assertEqual(path.stem, "setup") self.assertEqual(path.suffix, ".py") self.assertEqual(path.parent, self.path(sep + self.os.path.join("foo", "bar"))) self.assertEqual( path.parents[0], self.path(sep + self.os.path.join("foo", "bar")) ) self.assertEqual(path.parents[1], self.path(sep + "foo")) self.assertEqual(path.parents[2], self.path(sep)) @unittest.skipIf(is_windows, "POSIX specific behavior") def test_is_absolute_posix(self): self.assertTrue(self.path("/a/b").is_absolute()) self.assertFalse(self.path("a/b").is_absolute()) self.assertFalse(self.path("d:/b").is_absolute()) @unittest.skipIf(not is_windows, "Windows specific behavior") def test_is_absolute_windows(self): self.assertFalse(self.path("/a/b").is_absolute()) self.assertFalse(self.path("a/b").is_absolute()) self.assertTrue(self.path("d:/b").is_absolute()) class RealPathlibInitializationTest(FakePathlibInitializationTest): def use_real_fs(self): return True @unittest.skipIf(not is_windows, "Windows specific behavior") class FakePathlibInitializationWithDriveTest(RealPathlibTestCase): def test_init_with_segments(self): """Basic initialization tests - taken from pathlib.Path documentation""" self.assertEqual( self.path("c:/", "foo", "bar", "baz"), self.path("c:/foo/bar/baz") ) self.assertEqual(self.path(), self.path(".")) self.assertEqual( self.path(self.path("foo"), self.path("bar")), self.path("foo/bar") ) self.assertEqual( self.path("c:/Users") / "john" / "data", self.path("c:/Users/john/data"), ) def test_init_collapse(self): """Tests for collapsing path during initialization. Taken from pathlib.PurePath documentation. """ self.assertEqual(self.path("c:/Windows", "d:bar"), self.path("d:bar")) self.assertEqual( self.path("c:/Windows", "/Program Files"), self.path("c:/Program Files"), ) def test_path_parts(self): path = self.path(self.os.path.join("d:", "python scripts", "setup.py")) self.assertEqual(path.parts, ("d:", "python scripts", "setup.py")) self.assertEqual(path.drive, "d:") self.assertEqual(path.root, "") self.assertEqual(path.anchor, "d:") self.assertEqual(path.name, "setup.py") self.assertEqual(path.stem, "setup") self.assertEqual(path.suffix, ".py") self.assertEqual( path.parent, self.path(self.os.path.join("d:", "python scripts")) ) self.assertEqual( path.parents[0], self.path(self.os.path.join("d:", "python scripts")), ) self.assertEqual(path.parents[1], self.path("d:")) @unittest.skipIf(not is_windows, "Windows-specific behavior") def test_is_absolute(self): self.assertTrue(self.path("c:/a/b").is_absolute()) self.assertFalse(self.path("/a/b").is_absolute()) self.assertFalse(self.path("c:").is_absolute()) self.assertTrue(self.path("//some/share").is_absolute()) class RealPathlibInitializationWithDriveTest(FakePathlibInitializationWithDriveTest): def use_real_fs(self): return True class FakePathlibPurePathTest(RealPathlibTestCase): """Tests functionality present in PurePath class.""" def test_is_reserved_posix(self): self.check_posix_only() with self.deprecation_warning_since_313(): self.assertFalse(self.path("/dev").is_reserved()) self.assertFalse(self.path("/").is_reserved()) self.assertFalse(self.path("COM1").is_reserved()) self.assertFalse(self.path("nul.txt").is_reserved()) @unittest.skipIf(not is_windows, "Windows specific behavior") def test_is_reserved_windows(self): self.check_windows_only() with self.deprecation_warning_since_313(): self.assertFalse(self.path("/dev").is_reserved()) self.assertFalse(self.path("/").is_reserved()) self.assertTrue(self.path("COM1").is_reserved()) self.assertTrue(self.path("nul.txt").is_reserved()) def test_joinpath(self): self.assertEqual(self.path("/etc").joinpath("passwd"), self.path("/etc/passwd")) self.assertEqual( self.path("/etc").joinpath(self.path("passwd")), self.path("/etc/passwd"), ) self.assertEqual( self.path("/foo").joinpath("bar", "baz"), self.path("/foo/bar/baz") ) def test_joinpath_drive(self): self.check_windows_only() self.assertEqual( self.path("c:").joinpath("/Program Files"), self.path("c:/Program Files"), ) def test_match(self): self.assertTrue(self.path("a/b.py").match(".py")) self.assertTrue(self.path("/a/b/c.py").match("b/.py")) self.assertFalse(self.path("/a/b/c.py").match("a/.py")) self.assertTrue(self.path("/a.py").match("/.py")) self.assertFalse(self.path("a/b.py").match("/.py")) def test_relative_to(self): self.assertEqual( self.path("/etc/passwd").relative_to("/"), self.path("etc/passwd") ) self.assertEqual( self.path("/etc/passwd").relative_to("/"), self.path("etc/passwd") ) with self.assertRaises(ValueError): self.path("passwd").relative_to("/usr") @unittest.skipIf(sys.version_info < (3, 9), "is_relative_to new in Python 3.9") def test_is_relative_to(self): path = self.path("/etc/passwd") self.assertTrue(path.is_relative_to("/etc")) self.assertFalse(path.is_relative_to("/src")) def test_with_name(self): self.check_windows_only() self.assertEqual( self.path("c:/Downloads/pathlib.tar.gz").with_name("setup.py"), self.path("c:/Downloads/setup.py"), ) with self.assertRaises(ValueError): self.path("c:/").with_name("setup.py") def test_with_suffix(self): self.assertEqual( self.path("c:/Downloads/pathlib.tar.gz").with_suffix(".bz2"), self.path("c:/Downloads/pathlib.tar.bz2"), ) self.assertEqual( self.path("README").with_suffix(".txt"), self.path("README.txt") ) class RealPathlibPurePathTest(FakePathlibPurePathTest): def use_real_fs(self): return True class FakePathlibPurePosixPathTest(RealPathlibTestCase): def setUp(self): super().setUp() self.path = self.pathlib.PurePosixPath def test_is_reserved(self): with self.deprecation_warning_since_313(): self.assertFalse(self.path("/dev").is_reserved()) self.assertFalse(self.path("/").is_reserved()) self.assertFalse(self.path("COM1").is_reserved()) self.assertFalse(self.path("nul.txt").is_reserved()) def test_joinpath(self): self.assertEqual(self.path("/etc").joinpath("passwd"), self.path("/etc/passwd")) self.assertEqual( self.path("/etc").joinpath(self.path("passwd")), self.path("/etc/passwd"), ) self.assertEqual( self.path("/foo").joinpath("bar", "baz"), self.path("/foo/bar/baz") ) self.assertEqual( self.path("c:").joinpath("/Program Files"), self.path("/Program Files"), ) def test_match(self): self.assertTrue(self.path("a/b.py").match(".py")) self.assertTrue(self.path("/a/b/c.py").match("b/.py")) self.assertFalse(self.path("/a/b/c.py").match("a/.py")) self.assertTrue(self.path("/a.py").match("/.py")) self.assertFalse(self.path("a/b.py").match("/.py")) def test_relative_to(self): self.assertEqual( self.path("/etc/passwd").relative_to("/"), self.path("etc/passwd") ) self.assertEqual( self.path("/etc/passwd").relative_to("/"), self.path("etc/passwd") ) with self.assertRaises(ValueError): self.path("passwd").relative_to("/usr") @unittest.skipIf(sys.version_info < (3, 9), "is_relative_to new in Python 3.9") def test_is_relative_to(self): path = self.path("/etc/passwd") self.assertTrue(path.is_relative_to("/etc")) self.assertFalse(path.is_relative_to("/src")) def test_with_name(self): self.assertEqual( self.path("c:/Downloads/pathlib.tar.gz").with_name("setup.py"), self.path("c:/Downloads/setup.py"), ) self.assertEqual(self.path("c:/").with_name("setup.py"), self.path("setup.py")) def test_with_suffix(self): self.assertEqual( self.path("c:/Downloads/pathlib.tar.gz").with_suffix(".bz2"), self.path("c:/Downloads/pathlib.tar.bz2"), ) self.assertEqual( self.path("README").with_suffix(".txt"), self.path("README.txt") ) def test_to_string(self): self.assertEqual(str(self.path("/usr/bin/ls")), "/usr/bin/ls") self.assertEqual(str(self.path("usr") / "bin" / "ls"), "usr/bin/ls") class RealPathlibPurePosixPathTest(FakePathlibPurePosixPathTest): def use_real_fs(self): return True class FakePathlibPureWindowsPathTest(RealPathlibTestCase): def setUp(self): super().setUp() self.path = self.pathlib.PureWindowsPath def test_is_reserved(self): with self.deprecation_warning_since_313(): self.assertFalse(self.path("/dev").is_reserved()) self.assertFalse(self.path("/").is_reserved()) self.assertTrue(self.path("COM1").is_reserved()) self.assertTrue(self.path("nul.txt").is_reserved()) def test_joinpath(self): self.assertEqual(self.path("/etc").joinpath("passwd"), self.path("/etc/passwd")) self.assertEqual( self.path("/etc").joinpath(self.path("passwd")), self.path("/etc/passwd"), ) self.assertEqual( self.path("/foo").joinpath("bar", "baz"), self.path("/foo/bar/baz") ) self.assertEqual( self.path("c:").joinpath("/Program Files"), self.path("c:/Program Files"), ) def test_match(self): self.assertTrue(self.path("a/b.py").match(".py")) self.assertTrue(self.path("/a/b/c.py").match("b/.py")) self.assertFalse(self.path("/a/b/c.py").match("a/.py")) self.assertTrue(self.path("/a.py").match("/.py")) self.assertFalse(self.path("a/b.py").match("/.py")) def test_relative_to(self): self.assertEqual( self.path("/etc/passwd").relative_to("/"), self.path("etc/passwd") ) self.assertEqual( self.path("/etc/passwd").relative_to("/"), self.path("etc/passwd") ) with self.assertRaises(ValueError): self.path("passwd").relative_to("/usr") @unittest.skipIf(sys.version_info < (3, 9), "is_relative_to new in Python 3.9") def test_is_relative_to(self): path = self.path("/etc/passwd") self.assertTrue(path.is_relative_to("/etc")) self.assertFalse(path.is_relative_to("/src")) def test_with_name(self): self.assertEqual( self.path("c:/Downloads/pathlib.tar.gz").with_name("setup.py"), self.path("c:/Downloads/setup.py"), ) with self.assertRaises(ValueError): self.path("c:/").with_name("setup.py") def test_with_suffix(self): self.assertEqual( self.path("c:/Downloads/pathlib.tar.gz").with_suffix(".bz2"), self.path("c:/Downloads/pathlib.tar.bz2"), ) self.assertEqual( self.path("README").with_suffix(".txt"), self.path("README.txt") ) def test_to_string(self): self.assertEqual(str(self.path("/usr/bin/ls")), "\\usr\\bin\\ls") self.assertEqual( str(self.path("c:/Windows/System32/ntoskrnl.exe")), "c:\\Windows\\System32\\ntoskrnl.exe", ) self.assertEqual(str(self.path("usr") / "bin" / "ls"), "usr\\bin\\ls") self.assertEqual( str(self.path("C:/") / "Windows" / "System32" / "ntoskrnl.exe"), "C:\\Windows\\System32\\ntoskrnl.exe", ) class RealPathlibPureWindowsPathTest(FakePathlibPureWindowsPathTest): def use_real_fs(self): return True class FakePathlibFileObjectPropertyTest(RealPathlibTestCase): def setUp(self): super().setUp() self.umask = self.os.umask(0o022) self.file_path = self.make_path("home", "jane", "test.py") self.create_file(self.file_path, contents=b"a" 100) self.create_dir(self.make_path("home", "john")) try: skip_if_symlink_not_supported() except unittest.SkipTest: return self.create_symlink(self.make_path("john"), self.make_path("home", "john")) self.file_link_path = self.make_path("test.py") self.create_symlink(self.file_link_path, self.file_path) self.create_symlink( self.make_path("broken_dir_link"), self.make_path("home", "none") ) self.create_symlink( self.make_path("broken_file_link"), self.make_path("home", "none", "test.py"), ) def tearDown(self): self.os.umask(self.umask) def test_exists(self): skip_if_symlink_not_supported() self.assertTrue(self.path(self.file_path).exists()) self.assertTrue(self.path(self.make_path("home", "jane")).exists()) self.assertFalse(self.path(self.make_path("home", "jane", "test")).exists()) self.assertTrue(self.path(self.make_path("john")).exists()) self.assertTrue(self.path(self.file_link_path).exists()) self.assertFalse(self.path(self.make_path("broken_dir_link")).exists()) self.assertFalse(self.path(self.make_path("broken_file_link")).exists()) def test_is_dir(self): skip_if_symlink_not_supported() self.assertFalse(self.path(self.file_path).is_dir()) self.assertTrue(self.path(self.make_path("home/jane")).is_dir()) self.assertTrue(self.path(self.make_path("john")).is_dir()) self.assertFalse(self.path(self.file_link_path).is_dir()) self.assertFalse(self.path(self.make_path("broken_dir_link")).is_dir()) self.assertFalse(self.path(self.make_path("broken_file_link")).is_dir()) def test_is_file(self): skip_if_symlink_not_supported() self.assertTrue(self.path(self.make_path("home/jane/test.py")).is_file()) self.assertFalse(self.path(self.make_path("home/jane")).is_file()) self.assertFalse(self.path(self.make_path("john")).is_file()) self.assertTrue(self.path(self.file_link_path).is_file()) self.assertFalse(self.path(self.make_path("broken_dir_link")).is_file()) self.assertFalse(self.path(self.make_path("broken_file_link")).is_file()) def test_is_symlink(self): skip_if_symlink_not_supported() self.assertFalse(self.path(self.make_path("home/jane/test.py")).is_symlink()) self.assertFalse(self.path(self.make_path("home/jane")).is_symlink()) self.assertTrue(self.path(self.make_path("john")).is_symlink()) self.assertTrue(self.path(self.file_link_path).is_symlink()) self.assertTrue(self.path(self.make_path("broken_dir_link")).is_symlink()) self.assertTrue(self.path(self.make_path("broken_file_link")).is_symlink()) def test_stat(self): skip_if_symlink_not_supported() file_stat = self.os.stat(self.file_path) stat_result = self.path(self.file_link_path).stat() self.assertFalse(stat_result.st_mode & stat.S_IFDIR) self.assertTrue(stat_result.st_mode & stat.S_IFREG) self.assertEqual(stat_result.st_ino, file_stat.st_ino) self.assertEqual(stat_result.st_size, 100) self.assertEqual(stat_result.st_mtime, file_stat.st_mtime) self.assertEqual(stat_result[stat.ST_MTIME], int(file_stat.st_mtime)) def check_lstat(self, expected_size): skip_if_symlink_not_supported() link_stat = self.os.lstat(self.file_link_path) stat_result = self.path(self.file_link_path).lstat() self.assertTrue(stat_result.st_mode & stat.S_IFREG) self.assertTrue(stat_result.st_mode & stat.S_IFLNK) self.assertEqual(stat_result.st_ino, link_stat.st_ino) self.assertEqual(stat_result.st_size, expected_size) self.assertEqual(stat_result.st_mtime, link_stat.st_mtime) @unittest.skipIf(is_windows, "POSIX specific behavior") def test_lstat_posix(self): self.check_lstat(len(self.file_path)) @unittest.skipIf(not is_windows, "Windows specific behavior") def test_lstat_windows(self): skip_if_symlink_not_supported() self.check_lstat(0) @unittest.skipIf(is_windows, "POSIX specific behavior") def test_chmod(self): self.check_posix_only() file_stat = self.os.stat(self.file_path) self.assertEqual(file_stat.st_mode, stat.S_IFREG \| 0o644) link_stat = self.os.lstat(self.file_link_path) # we get stat.S_IFLNK \| 0o755 under MacOs mode = 0o755 if self.is_macos else 0o777 self.assertEqual(link_stat.st_mode, stat.S_IFLNK \| mode) def test_lchmod(self): skip_if_symlink_not_supported() file_stat = self.os.stat(self.file_path) link_stat = self.os.lstat(self.file_link_path) if not hasattr(self.real_os, "lchmod"): with self.assertRaises(NotImplementedError): self.path(self.file_link_path).lchmod(0o444) else: self.path(self.file_link_path).lchmod(0o444) mode = 0o666 if is_windows else 0o644 self.assertEqual(file_stat.st_mode, stat.S_IFREG \| mode) # the exact mode depends on OS and Python version mode_mask = 0o600 if self.is_windows_fs else 0o700 self.assertEqual(link_stat.st_mode & 0o777700, stat.S_IFLNK \| mode_mask) @unittest.skipIf( sys.version_info < (3, 10), "follow_symlinks argument new in Python 3.10", ) def test_chmod_no_followsymlinks(self): skip_if_symlink_not_supported() file_stat = self.os.stat(self.file_path) link_stat = self.os.lstat(self.file_link_path) if self.os.chmod not in self.os.supports_follow_symlinks or IS_PYPY: with self.assertRaises(NotImplementedError): self.path(self.file_link_path).chmod(0o444, follow_symlinks=False) else: self.path(self.file_link_path).chmod(0o444, follow_symlinks=False) mode = 0o666 if is_windows else 0o644 self.assertEqual(file_stat.st_mode, stat.S_IFREG \| mode) # the exact mode depends on OS and Python version mode_mask = 0o600 if self.is_windows_fs else 0o700 self.assertEqual(link_stat.st_mode & 0o777700, stat.S_IFLNK \| mode_mask) def test_resolve(self): self.create_dir(self.make_path("antoine", "docs")) self.create_file(self.make_path("antoine", "setup.py")) self.os.chdir(self.make_path("antoine")) # use real path to handle symlink /var to /private/var in macOS self.assert_equal_paths( self.path().resolve(), self.path(self.os.path.realpath(self.make_path("antoine"))), ) self.assert_equal_paths( self.path(self.os.path.join("docs", "..", "setup.py")).resolve(), self.path(self.os.path.realpath(self.make_path("antoine", "setup.py"))), ) def test_stat_file_in_unreadable_dir(self): self.check_posix_only() dir_path = self.make_path("some_dir") file_path = self.os.path.join(dir_path, "some_file") self.create_file(file_path) self.os.chmod(dir_path, 0o000) if not is_root(): self.assert_raises_os_error(errno.EACCES, self.path(file_path).stat) else: self.assertEqual(0, self.path(file_path).stat().st_size) def test_iterdir_in_unreadable_dir(self): self.check_posix_only() dir_path = self.make_path("some_dir") file_path = self.os.path.join(dir_path, "some_file") self.create_file(file_path) self.os.chmod(dir_path, 0o000) if not is_root(): if sys.version_info >= (3, 13): self.assert_raises_os_error(errno.EACCES, self.path(dir_path).iterdir) else: it = self.path(dir_path).iterdir() self.assert_raises_os_error(errno.EACCES, list, it) else: it = self.path(dir_path).iterdir() path = str(list(it)[0]) self.assertTrue(path.endswith("some_file")) def test_iterdir_and_glob_without_exe_permission(self): # regression test for #960 self.check_posix_only() self.skip_root() directory = self.path(self.make_path("testdir")) file_path = directory / "file.txt" self.create_file(file_path, contents="hey", perm=0o777) directory.chmod(0o655) # rw-r-xr-x # We cannot create any files in the directory, because that requires # searching it another_file = self.path(self.make_path("file.txt")) self.create_file(another_file, contents="hey") with self.assertRaises(PermissionError): self.os.link(another_file, directory / "link.txt") # We can enumerate the directory using iterdir and glob: assert len(list(directory.iterdir())) == 1 assert list(directory.iterdir())[0] == file_path assert len(list(directory.glob(".txt"))) == 1 assert list(directory.glob(".txt"))[0] == file_path # We cannot read files inside the directory, # even if we have read access to the file with self.assertRaises(PermissionError): file_path.stat() with self.assertRaises(PermissionError): file_path.read_text(encoding="utf8") def test_iterdir_impossible_without_read_permission(self): # regression test for #960 self.check_posix_only() self.skip_root() directory = self.path(self.make_path("testdir")) file_path = directory / "file.txt" self.create_file(file_path, contents="hey", perm=0o777) directory.chmod(0o355) # -wxr-xr-x # We cannot enumerate the directory using iterdir: with self.assertRaises(PermissionError): list(directory.iterdir()) # glob does not find the file assert len(list(directory.glob(".txt"))) == 0 # we can access the file if we know the file name assert file_path.stat().st_mode & 0o777 == 0o755 assert file_path.read_text(encoding="utf8") == "hey" def test_resolve_nonexisting_file(self): path = self.path(self.make_path("/path", "to", "file", "this can not exist")) self.assertEqual(path, path.resolve()) def test_cwd(self): dir_path = self.make_path("jane") self.create_dir(dir_path) self.os.chdir(dir_path) self.assert_equal_paths( self.path.cwd(), self.path(self.os.path.realpath(dir_path)) ) @unittest.skipIf( sys.platform != "win32" or sys.version_info < (3, 8), "Windows specific test" ) @patch.dict(os.environ, {"USERPROFILE": r"C:\Users\John"}) def test_expanduser_windows(self): self.assertEqual( self.path("~").expanduser(), self.path("C:/Users/John"), ) @unittest.skipIf(sys.platform == "win32", "Posix specific test") @patch.dict(os.environ, {"HOME": "/home/john"}) def test_expanduser_posix(self): self.assertEqual(self.path("~").expanduser(), self.path("/home/john")) @unittest.skipIf( sys.platform != "win32" or sys.version_info < (3, 8), "Windows specific test" ) @patch.dict(os.environ, {"USERPROFILE": r"C:\Users\John"}) def test_home_windows(self): self.assertEqual( self.path(self.path("C:/Users/John")), self.path.home(), ) @unittest.skipIf(sys.platform == "win32", "Posix specific test") @patch.dict(os.environ, {"HOME": "/home/john"}) def test_home_posix(self): self.assertEqual(self.path("/home/john"), self.path.home()) class RealPathlibFileObjectPropertyTest(FakePathlibFileObjectPropertyTest): def use_real_fs(self): return True class FakePathlibPathFileOperationTest(RealPathlibTestCase): """Tests methods related to file and directory handling.""" def test_exists(self): skip_if_symlink_not_supported() self.create_file(self.make_path("home", "jane", "test.py")) self.create_dir(self.make_path("home", "john")) self.create_symlink(self.make_path("john"), self.make_path("home", "john")) self.create_symlink(self.make_path("none"), self.make_path("home", "none")) self.assertTrue(self.path(self.make_path("home", "jane", "test.py")).exists()) self.assertTrue(self.path(self.make_path("home", "jane")).exists()) self.assertTrue(self.path(self.make_path("john")).exists()) self.assertFalse(self.path(self.make_path("none")).exists()) self.assertFalse(self.path(self.make_path("home", "jane", "test")).exists()) def test_open(self): self.create_dir(self.make_path("foo")) with self.assertRaises(OSError): self.path(self.make_path("foo", "bar.txt")).open(encoding="utf8") self.path(self.make_path("foo", "bar.txt")).open("w", encoding="utf8").close() self.assertTrue(self.os.path.exists(self.make_path("foo", "bar.txt"))) def test_read_text(self): self.create_file(self.make_path("text_file"), contents="foo") file_path = self.path(self.make_path("text_file")) self.assertEqual(file_path.read_text(encoding="utf8"), "foo") @unittest.skipIf( sys.version_info < (3, 12), "is_junction method new in Python 3.12", ) def test_is_junction(self): self.create_file(self.make_path("text_file"), contents="foo") file_path = self.path(self.make_path("text_file")) self.assertFalse(file_path.is_junction()) def test_read_text_with_encoding(self): self.create_file( self.make_path("text_file"), contents="ерунда", encoding="cyrillic" ) file_path = self.path(self.make_path("text_file")) self.assertEqual(file_path.read_text(encoding="cyrillic"), "ерунда") def test_write_text(self): path_name = self.make_path("text_file") file_path = self.path(path_name) file_path.write_text("foo", encoding="utf8") self.assertTrue(self.os.path.exists(path_name)) self.check_contents(path_name, "foo") def test_write_text_with_encoding(self): path_name = self.make_path("text_file") file_path = self.path(path_name) file_path.write_text("ανοησίες", encoding="greek") self.assertTrue(self.os.path.exists(path_name)) self.check_contents(path_name, "ανοησίες".encode("greek")) @unittest.skipIf(sys.version_info < (3, 10), "newline argument new in Python 3.10") def test_write_with_newline_arg(self): path = self.path(self.make_path("some_file")) path.write_text("1\r\n2\n3\r4", newline="", encoding="utf8") self.check_contents(path, b"1\r\n2\n3\r4") path.write_text("1\r\n2\n3\r4", newline="\n", encoding="utf8") self.check_contents(path, b"1\r\n2\n3\r4") path.write_text("1\r\n2\n3\r4", newline="\r\n", encoding="utf8") self.check_contents(path, b"1\r\r\n2\r\n3\r4") path.write_text("1\r\n2\n3\r4", newline="\r", encoding="utf8") self.check_contents(path, b"1\r\r2\r3\r4") def test_read_bytes(self): path_name = self.make_path("binary_file") self.create_file(path_name, contents=b"Binary file contents") file_path = self.path(path_name) self.assertEqual(file_path.read_bytes(), b"Binary file contents") def test_write_bytes(self): path_name = self.make_path("binary_file") file_path = self.path(path_name) file_path.write_bytes(b"Binary file contents") self.assertTrue(self.os.path.exists(path_name)) self.check_contents(path_name, b"Binary file contents") def test_rename(self): file_name = self.make_path("foo", "bar.txt") self.create_file(file_name, contents="test") new_file_name = self.make_path("foo", "baz.txt") self.path(file_name).rename(new_file_name) self.assertFalse(self.os.path.exists(file_name)) self.check_contents(new_file_name, "test") def test_replace(self): self.create_file(self.make_path("foo", "bar.txt"), contents="test") self.create_file(self.make_path("bar", "old.txt"), contents="replaced") self.path(self.make_path("bar", "old.txt")).replace( self.make_path("foo", "bar.txt") ) self.assertFalse(self.os.path.exists(self.make_path("bar", "old.txt"))) self.check_contents(self.make_path("foo", "bar.txt"), "replaced") def test_unlink(self): file_path = self.make_path("foo", "bar.txt") self.create_file(file_path, contents="test") self.assertTrue(self.os.path.exists(file_path)) self.path(file_path).unlink() self.assertFalse(self.os.path.exists(file_path)) def test_touch_non_existing(self): self.create_dir(self.make_path("foo")) file_name = self.make_path("foo", "bar.txt") self.path(file_name).touch(mode=0o444) self.check_contents(file_name, "") self.assertTrue(self.os.stat(file_name).st_mode, stat.S_IFREG \| 0o444) self.os.chmod(file_name, mode=0o666) def test_touch_existing(self): file_name = self.make_path("foo", "bar.txt") self.create_file(file_name, contents="test") file_path = self.path(file_name) self.assert_raises_os_error(errno.EEXIST, file_path.touch, exist_ok=False) file_path.touch() self.check_contents(file_name, "test") def test_samefile(self): file_name = self.make_path("foo", "bar.txt") self.create_file(file_name) file_name2 = self.make_path("foo", "baz.txt") self.create_file(file_name2) with self.assertRaises(OSError): self.path(self.make_path("foo", "other")).samefile( self.make_path("foo", "other.txt") ) path = self.path(file_name) other_name = self.make_path("foo", "other.txt") with self.assertRaises(OSError): path.samefile(other_name) with self.assertRaises(OSError): path.samefile(self.path(other_name)) self.assertFalse(path.samefile(file_name2)) self.assertFalse(path.samefile(self.path(file_name2))) self.assertTrue(path.samefile(self.make_path("foo", "..", "foo", "bar.txt"))) self.assertTrue( path.samefile(self.path(self.make_path("foo", "..", "foo", "bar.txt"))) ) def test_symlink_to(self): skip_if_symlink_not_supported() file_name = self.make_path("foo", "bar.txt") self.create_file(file_name) link_name = self.make_path("link_to_bar") path = self.path(link_name) path.symlink_to(file_name) self.assertTrue(self.os.path.exists(link_name)) self.assertTrue(path.is_symlink()) @unittest.skipIf(sys.version_info < (3, 8), "link_to new in Python 3.8") @unittest.skipIf(sys.version_info >= (3, 12), "link_to removed in Python 3.12") def test_link_to(self): skip_if_symlink_not_supported() file_name = self.make_path("foo", "bar.txt") self.create_file(file_name) self.assertEqual(1, self.os.stat(file_name).st_nlink) link_name = self.make_path("link_to_bar") path = self.path(file_name) path.link_to(link_name) self.assertTrue(self.os.path.exists(link_name)) self.assertFalse(path.is_symlink()) self.assertEqual(2, self.os.stat(file_name).st_nlink) @unittest.skipIf(sys.version_info < (3, 10), "hardlink_to new in Python 3.10") def test_hardlink_to(self): file_name = self.make_path("foo", "bar.txt") self.create_file(file_name) self.assertEqual(1, self.os.stat(file_name).st_nlink) link_path = self.path(self.make_path("link_to_bar")) path = self.path(file_name) link_path.hardlink_to(path) self.assertTrue(self.os.path.exists(link_path)) self.assertFalse(path.is_symlink()) self.assertEqual(2, self.os.stat(file_name).st_nlink) @unittest.skipIf(sys.version_info < (3, 9), "readlink new in Python 3.9") def test_readlink(self): skip_if_symlink_not_supported() link_path = self.make_path("foo", "bar", "baz") target = self.make_path("tarJAY") self.create_symlink(link_path, target) path = self.path(link_path) self.assert_equal_paths(path.readlink(), self.path(target)) def test_mkdir(self): dir_name = self.make_path("foo", "bar") self.assert_raises_os_error(errno.ENOENT, self.path(dir_name).mkdir) self.path(dir_name).mkdir(parents=True) self.assertTrue(self.os.path.exists(dir_name)) self.assert_raises_os_error(errno.EEXIST, self.path(dir_name).mkdir) def test_mkdir_exist_ok(self): dir_name = self.make_path("foo", "bar") self.create_dir(dir_name) self.path(dir_name).mkdir(exist_ok=True) file_name = self.os.path.join(dir_name, "baz") self.create_file(file_name) self.assert_raises_os_error( errno.EEXIST, self.path(file_name).mkdir, exist_ok=True ) @unittest.skipIf(not is_windows, "Windows specific behavior") def test_mkdir_with_automount_unc_path(self): self.skip_real_fs() self.path(r"\\test\unc\foo").mkdir(parents=True) self.assertTrue(self.path(r"\\test\unc\foo").exists()) @unittest.skipIf(not is_windows, "Windows specific behavior") def test_mkdir_with_automount_drive(self): self.skip_real_fs() self.path(r"d:\foo\bar").mkdir(parents=True) self.assertTrue(self.path(r"d:\foo\bar").exists()) def test_rmdir(self): dir_name = self.make_path("foo", "bar") self.create_dir(dir_name) self.path(dir_name).rmdir() self.assertFalse(self.os.path.exists(dir_name)) self.assertTrue(self.os.path.exists(self.make_path("foo"))) self.create_file(self.make_path("foo", "baz")) with self.assertRaises(OSError): self.path(self.make_path("foo")).rmdir() self.assertTrue(self.os.path.exists(self.make_path("foo"))) def test_iterdir(self): self.create_file(self.make_path("foo", "bar", "file1")) self.create_file(self.make_path("foo", "bar", "file2")) self.create_file(self.make_path("foo", "bar", "file3")) path = self.path(self.make_path("foo", "bar")) contents = [entry for entry in path.iterdir()] self.assertEqual(3, len(contents)) self.assertIn(self.path(self.make_path("foo", "bar", "file2")), contents) def test_glob(self): self.create_file(self.make_path("foo", "setup.py")) self.create_file(self.make_path("foo", "all_tests.py")) self.create_file(self.make_path("foo", "README.md")) self.create_file(self.make_path("foo", "setup.pyc")) path = self.path(self.make_path("foo")) self.assertEqual( [ self.path(self.make_path("foo", "all_tests.py")), self.path(self.make_path("foo", "setup.py")), ], sorted(path.glob(".py")), ) def test_glob_dir(self): # regression test for #1239 root_dir = self.path(self.make_path("root")) test_file = self.make_path(root_dir, "foo", "bar.txt") self.create_file(test_file) self.assertEqual([root_dir / "foo"], list(root_dir.glob("foo"))) def test_glob_case_windows(self): self.check_windows_only() self.create_file(self.make_path("foo", "setup.py")) self.create_file(self.make_path("foo", "all_tests.PY")) self.create_file(self.make_path("foo", "README.md")) self.create_file(self.make_path("foo", "example.Py")) path = self.path(self.make_path("foo")) self.assertEqual( [ self.path(self.make_path("foo", "all_tests.PY")), self.path(self.make_path("foo", "example.Py")), self.path(self.make_path("foo", "setup.py")), ], sorted(path.glob(".py")), ) def test_glob_case_posix(self): self.check_posix_only() if sys.platform == "win32" and sys.version_info < (3, 12): self.skipTest(reason="Ignoring inconsistent path delimiters") self.create_file(self.make_path("foo", "setup.py")) self.create_file(self.make_path("foo", "all_tests.PY")) self.create_file(self.make_path("foo", "README.md")) self.create_file(self.make_path("foo", "example.Py")) path = self.path(self.make_path("foo")) self.assertEqual( sorted(path.glob(".py")), [self.path(self.make_path("foo", "setup.py"))], ) class RealPathlibPathFileOperationTest(FakePathlibPathFileOperationTest): def use_real_fs(self): return True class FakePathlibUsageInOsFunctionsTest(RealPathlibTestCase): """Test that many `os` / `os.path` functions accept a path-like object. The functionality of these functions is tested elsewhere, we just check that they accept a fake path object as an argument. """ def test_join(self): dir1 = "foo" dir2 = "bar" dir3 = self.os.path.join(dir1, dir2) self.assertEqual(dir3, self.os.path.join(self.path(dir1), dir2)) self.assertEqual(dir3, self.os.path.join(dir1, self.path(dir2))) self.assertEqual(dir3, self.os.path.join(self.path(dir1), self.path(dir2))) def test_normcase(self): dir1 = self.make_path("Foo", "Bar", "Baz") self.assertEqual( self.os.path.normcase(dir1), self.os.path.normcase(self.path(dir1)) ) def test_normpath(self): dir1 = self.make_path("foo", "bar", "..", "baz") self.assertEqual( self.os.path.normpath(dir1), self.os.path.normpath(self.path(dir1)) ) def test_realpath(self): dir1 = self.make_path("foo", "bar", "..", "baz") self.assertEqual( self.os.path.realpath(dir1), self.os.path.realpath(self.path(dir1)) ) def test_relpath(self): path_foo = self.make_path("path", "to", "foo") path_bar = self.make_path("path", "to", "bar") rel_path = self.os.path.relpath(path_foo, path_bar) self.assertEqual(rel_path, self.os.path.relpath(self.path(path_foo), path_bar)) self.assertEqual(rel_path, self.os.path.relpath(path_foo, self.path(path_bar))) self.assertEqual( rel_path, self.os.path.relpath(self.path(path_foo), self.path(path_bar)), ) def test_split(self): dir1 = self.make_path("Foo", "Bar", "Baz") self.assertEqual(self.os.path.split(dir1), self.os.path.split(self.path(dir1))) def test_splitdrive(self): dir1 = self.make_path("C:", "Foo", "Bar", "Baz") self.assertEqual( self.os.path.splitdrive(dir1), self.os.path.splitdrive(self.path(dir1)), ) def test_abspath(self): dir1 = self.make_path("foo", "bar", "..", "baz") self.assertEqual( self.os.path.abspath(dir1), self.os.path.abspath(self.path(dir1)) ) def test_exists(self): dir1 = self.make_path("foo", "bar", "..", "baz") self.assertEqual( self.os.path.exists(dir1), self.os.path.exists(self.path(dir1)) ) def test_lexists(self): dir1 = self.make_path("foo", "bar", "..", "baz") self.assertEqual( self.os.path.lexists(dir1), self.os.path.lexists(self.path(dir1)) ) def test_expanduser(self): dir1 = self.os.path.join("~", "foo") self.assertEqual( self.os.path.expanduser(dir1), self.os.path.expanduser(self.path(dir1)), ) def test_getmtime(self): self.skip_real_fs() dir1 = self.make_path("foo", "bar1.txt") path_obj = self.filesystem.create_file(dir1) path_obj._st_mtime = 24 self.assertEqual( self.os.path.getmtime(dir1), self.os.path.getmtime(self.path(dir1)) ) def test_getctime(self): self.skip_real_fs() dir1 = self.make_path("foo", "bar1.txt") path_obj = self.filesystem.create_file(dir1) path_obj.st_ctime = 42 self.assertEqual( self.os.path.getctime(dir1), self.os.path.getctime(self.path(dir1)) ) def test_getatime(self): self.skip_real_fs() dir1 = self.make_path("foo", "bar1.txt") path_obj = self.filesystem.create_file(dir1) path_obj.st_atime = 11 self.assertEqual( self.os.path.getatime(dir1), self.os.path.getatime(self.path(dir1)) ) def test_getsize(self): path = self.make_path("foo", "bar", "baz") self.create_file(path, contents="1234567") self.assertEqual( self.os.path.getsize(path), self.os.path.getsize(self.path(path)) ) def test_isabs(self): path = self.make_path("foo", "bar", "..", "baz") self.assertEqual(self.os.path.isabs(path), self.os.path.isabs(self.path(path))) def test_isfile(self): path = self.make_path("foo", "bar", "baz") self.create_file(path) self.assertEqual( self.os.path.isfile(path), self.os.path.isfile(self.path(path)) ) def test_isfile_not_readable(self): path = self.make_path("foo", "bar", "baz") self.create_file(path, perm=0) self.assertEqual( self.os.path.isfile(path), self.os.path.isfile(self.path(path)) ) def test_islink(self): path = self.make_path("foo", "bar", "baz") self.create_file(path) self.assertEqual( self.os.path.islink(path), self.os.path.islink(self.path(path)) ) def test_isdir(self): path = self.make_path("foo", "bar", "baz") self.create_file(path) self.assertEqual(self.os.path.isdir(path), self.os.path.isdir(self.path(path))) def test_ismount(self): path = self.os.path.sep self.assertEqual( self.os.path.ismount(path), self.os.path.ismount(self.path(path)) ) def test_access(self): path = self.make_path("foo", "bar", "baz") self.create_file(path, contents="1234567") self.assertEqual( self.os.access(path, os.R_OK), self.os.access(self.path(path), os.R_OK), ) def test_chdir(self): path = self.make_path("foo", "bar", "baz") self.create_dir(path) self.os.chdir(self.path(path)) # use real path to handle symlink /var to /private/var in MacOs self.assert_equal_paths(self.os.path.realpath(path), self.os.getcwd()) def test_chmod(self): path = self.make_path("some_file") self.create_file(path) self.os.chmod(self.path(path), 0o444) self.assertEqual(stat.S_IMODE(0o444), stat.S_IMODE(self.os.stat(path).st_mode)) self.os.chmod(self.path(path), 0o666) def test_link(self): skip_if_symlink_not_supported() file1_path = self.make_path("test_file1") file2_path = self.make_path("test_file2") self.create_file(file1_path) self.os.link(self.path(file1_path), file2_path) self.assertTrue(self.os.path.exists(file2_path)) self.os.unlink(file2_path) self.os.link(self.path(file1_path), self.path(file2_path)) self.assertTrue(self.os.path.exists(file2_path)) self.os.unlink(file2_path) self.os.link(file1_path, self.path(file2_path)) self.assertTrue(self.os.path.exists(file2_path)) def test_listdir(self): path = self.make_path("foo", "bar") self.create_dir(path) self.create_file(path + "baz.txt") self.assertEqual(self.os.listdir(path), self.os.listdir(self.path(path))) def test_mkdir(self): path = self.make_path("foo") self.os.mkdir(self.path(path)) self.assertTrue(self.os.path.exists(path)) def test_makedirs(self): path = self.make_path("foo", "bar") self.os.makedirs(self.path(path)) self.assertTrue(self.os.path.exists(path)) @unittest.skipIf( is_windows and sys.version_info < (3, 8), "os.readlink does not to support path-like objects " "under Windows before Python 3.8", ) def test_readlink(self): skip_if_symlink_not_supported() link_path = self.make_path("foo", "bar", "baz") target = self.make_path("tarJAY") self.create_symlink(link_path, target) self.assert_equal_paths(self.os.readlink(self.path(link_path)), target) @unittest.skipIf( is_windows and sys.version_info < (3, 8), "os.readlink does not to support path-like objects " "under Windows before Python 3.8", ) def test_readlink_bytes(self): skip_if_symlink_not_supported() link_path = self.make_path(b"foo", b"bar", b"baz") target = self.make_path(b"tarJAY") self.create_symlink(link_path, target) self.assert_equal_paths(self.os.readlink(self.path(link_path)), target) def test_remove(self): path = self.make_path("test.txt") self.create_file(path) self.os.remove(self.path(path)) self.assertFalse(self.os.path.exists(path)) def test_rename(self): path1 = self.make_path("test1.txt") path2 = self.make_path("test2.txt") self.create_file(path1) self.os.rename(self.path(path1), path2) self.assertTrue(self.os.path.exists(path2)) self.os.rename(self.path(path2), self.path(path1)) self.assertTrue(self.os.path.exists(path1)) def test_replace(self): path1 = self.make_path("test1.txt") path2 = self.make_path("test2.txt") self.create_file(path1) self.os.replace(self.path(path1), path2) self.assertTrue(self.os.path.exists(path2)) self.os.replace(self.path(path2), self.path(path1)) self.assertTrue(self.os.path.exists(path1)) def test_rmdir(self): path = self.make_path("foo", "bar") self.create_dir(path) self.os.rmdir(self.path(path)) self.assertFalse(self.os.path.exists(path)) def test_scandir(self): directory = self.make_path("xyzzy", "plugh") self.create_dir(directory) self.create_file(self.os.path.join(directory, "test.txt")) dir_entries = [entry for entry in self.os.scandir(self.path(directory))] self.assertEqual(1, len(dir_entries)) def test_symlink(self): skip_if_symlink_not_supported() file_path = self.make_path("test_file1") link_path = self.make_path("link") self.create_file(file_path) self.os.symlink(self.path(file_path), link_path) self.assertTrue(self.os.path.exists(link_path)) self.os.remove(link_path) self.os.symlink(self.path(file_path), self.path(link_path)) self.assertTrue(self.os.path.exists(link_path)) def test_stat(self): path = self.make_path("foo", "bar", "baz") self.create_file(path, contents="1234567") self.assertEqual(self.os.stat(path), self.path(path).stat()) @unittest.skipIf(sys.version_info < (3, 10), "New in Python 3.10") def test_stat_follow_symlinks(self): self.check_posix_only() directory = self.make_path("foo") base_name = "bar" file_path = self.path(self.os.path.join(directory, base_name)) link_path = self.path(self.os.path.join(directory, "link")) contents = "contents" self.create_file(file_path, contents=contents) self.create_symlink(link_path, base_name) self.assertEqual( len(contents), link_path.stat(follow_symlinks=True)[stat.ST_SIZE] ) self.assertEqual( len(base_name), link_path.stat(follow_symlinks=False)[stat.ST_SIZE] ) def test_utime(self): path = self.make_path("some_file") self.create_file(path, contents="test") self.os.utime(self.path(path), times=(1, 2)) st = self.os.stat(path) self.assertEqual(1, st.st_atime) self.assertEqual(2, st.st_mtime) def test_truncate(self): path = self.make_path("some_file") self.create_file(path, contents="test_test") self.os.truncate(self.path(path), length=4) st = self.os.stat(path) self.assertEqual(4, st.st_size) @unittest.skipIf(sys.platform == "win32", "no pwd and grp modules in Windows") def test_owner_and_group_posix(self): path = self.make_path("some_file") self.create_file(path) self.assertTrue(self.path(path).owner()) self.assertTrue(self.path(path).group()) @unittest.skipIf(sys.platform == "win32", "no pwd and grp modules in Windows") def test_changed_owner_and_group(self): def fake_getpwuid(uid): if uid == 42: user_struct = namedtuple("user", "pw_name, pw_uid") user_struct.pw_name = "NewUser" return user_struct raise KeyError def fake_getgrgid(uid): if uid == 5: group_struct = namedtuple("group", "gr_name, gr_gid") group_struct.gr_name = "NewGroup" return group_struct raise KeyError self.skip_real_fs() path = self.make_path("some_file") self.create_file(path) self.os.chown(path, 42, 5) with mock.patch("pwd.getpwuid", fake_getpwuid): with mock.patch("grp.getgrgid", fake_getgrgid): self.assertEqual("NewUser", self.path(path).owner()) self.assertEqual("NewGroup", self.path(path).group()) def test_owner_and_group_windows(self): self.check_windows_only() path = self.make_path("some_file") self.create_file(path) with self.assertRaises(NotImplementedError): self.path(path).owner() with self.assertRaises(NotImplementedError): self.path(path).group() @unittest.skipIf(sys.version_info < (3, 14), "copy() is new in Python 3.14") def test_copy_new_file(self): source_path = self.path(self.make_path("some_file")) target_path = self.make_path("some_other_file") self.create_file(source_path, contents="test") target = source_path.copy(target_path) self.assertEqual(target_path, str(target)) self.assertTrue(target.exists()) self.assertEqual("test", target.read_text()) @unittest.skipIf(sys.version_info < (3, 14), "copy() is new in Python 3.14") def test_copy_to_existing_file(self): source_path = self.path(self.make_path("some_file")) target_path = self.make_path("some_other_file") self.create_file(source_path, contents="foo") self.create_file(target_path, contents="bar") target = source_path.copy(target_path) self.assertEqual(target_path, str(target)) self.assertTrue(source_path.exists()) self.assertTrue(target.exists()) self.assertEqual("foo", target.read_text()) @unittest.skipIf(sys.version_info < (3, 14), "copy() is new in Python 3.14") def test_copy_directory(self): source_path = self.path(self.make_path("some_dir")) self.create_file(source_path / "foo", contents="foo") self.create_file(source_path / "bar", contents="bar") self.create_dir(source_path / "dir") target_path = self.make_path("new_dir") target = source_path.copy(target_path) self.assertEqual(target_path, str(target)) self.assertTrue(source_path.exists()) self.assertTrue(target.exists()) self.assertTrue((target / "foo").exists()) self.assertEqual("foo", (target / "foo").read_text()) self.assertEqual("bar", (target / "bar").read_text()) @unittest.skipIf(sys.version_info < (3, 14), "copy_into() is new in Python 3.14") def test_copy_into(self): source_dir = self.path(self.make_path("some_dir")) source_path = source_dir / "foo" self.create_file(source_path, contents="foo") target_path = self.path(self.make_path("new_dir")) self.create_dir(target_path) target = source_path.copy_into(target_path) self.assertTrue(source_path.exists()) self.assertTrue(target.exists()) self.assertEqual(str(target_path / "foo"), str(target)) self.assertEqual("foo", target.read_text()) @unittest.skipIf(sys.version_info < (3, 14), "move() is new in Python 3.14") def test_move_file(self): source_path = self.path(self.make_path("some_file")) target_path = self.make_path("some_other_file") self.create_file(source_path, contents="test") target = source_path.move(target_path) self.assertEqual(target_path, str(target)) self.assertFalse(source_path.exists()) self.assertTrue(target.exists()) self.assertEqual("test", target.read_text()) @unittest.skipIf(sys.version_info < (3, 14), "move() is new in Python 3.14") def test_move_to_existing_file(self): source_path = self.path(self.make_path("some_file")) target_path = self.make_path("some_other_file") self.create_file(source_path, contents="foo") self.create_file(target_path, contents="bar") target = source_path.move(target_path) self.assertEqual(target_path, str(target)) self.assertFalse(source_path.exists()) self.assertTrue(target.exists()) self.assertEqual("foo", target.read_text()) @unittest.skipIf(sys.version_info < (3, 14), "move() is new in Python 3.14") def test_move_directory(self): source_path = self.path(self.make_path("some_dir")) self.create_file(source_path / "foo", contents="foo") self.create_file(source_path / "bar", contents="bar") self.create_dir(source_path / "dir") target_path = self.make_path("new_dir") target = source_path.move(target_path) self.assertEqual(target_path, str(target)) self.assertFalse(source_path.exists()) self.assertTrue(target.exists()) self.assertTrue((target / "foo").exists()) self.assertEqual("foo", (target / "foo").read_text()) self.assertEqual("bar", (target / "bar").read_text()) @unittest.skipIf(sys.version_info < (3, 14), "move_into() is new in Python 3.14") def test_move_into(self): source_dir = self.path(self.make_path("some_dir")) source_path = source_dir / "foo" self.create_file(source_path, contents="foo") target_path = self.path(self.make_path("new_dir")) self.create_dir(target_path) target = source_path.move_into(target_path) self.assertFalse(source_path.exists()) self.assertTrue(target.exists()) self.assertEqual(str(target_path / "foo"), str(target)) self.assertEqual("foo", target.read_text()) def test_walk(self): """Regression test for #915 - walk results shall be strings.""" base_dir = self.make_path("foo") base_path = self.path(base_dir) self.create_dir(base_path) self.create_file(base_path / "1.txt") self.create_file(base_path / "bar" / "2.txt") result = list(step for step in self.os.walk(base_path)) assert len(result) == 2 assert result[0] == (base_dir, ["bar"], ["1.txt"]) assert result[1] == (self.os.path.join(base_dir, "bar"), [], ["2.txt"]) class RealPathlibUsageInOsFunctionsTest(FakePathlibUsageInOsFunctionsTest): def use_real_fs(self): return True class FakeFilesystemPathLikeObjectTest(unittest.TestCase): def setUp(self): self.filesystem = fake_filesystem.FakeFilesystem() self.pathlib = fake_pathlib.FakePathlibModule(self.filesystem) self.os = fake_os.FakeOsModule(self.filesystem) def test_create_dir_with_pathlib_path(self): dir_path_string = "foo/bar/baz" dir_path = self.pathlib.Path(dir_path_string) self.filesystem.create_dir(dir_path) self.assertTrue(self.os.path.exists(dir_path_string)) self.assertEqual( stat.S_IFDIR, self.os.stat(dir_path_string).st_mode & stat.S_IFDIR ) def test_create_file_with_pathlib_path(self): file_path_string = "foo/bar/baz" file_path = self.pathlib.Path(file_path_string) self.filesystem.create_file(file_path) self.assertTrue(self.os.path.exists(file_path_string)) self.assertEqual( stat.S_IFREG, self.os.stat(file_path_string).st_mode & stat.S_IFREG ) def test_create_symlink_with_pathlib_path(self): file_path = self.pathlib.Path("foo/bar/baz") link_path_string = "foo/link" link_path = self.pathlib.Path(link_path_string) self.filesystem.create_symlink(link_path, file_path) self.assertTrue(self.os.path.lexists(link_path_string)) self.assertEqual( stat.S_IFLNK, self.os.lstat(link_path_string).st_mode & stat.S_IFLNK, ) def test_add_existing_real_file_with_pathlib_path(self): real_file_path_string = os.path.abspath(__file__) real_file_path = self.pathlib.Path(real_file_path_string) self.filesystem.add_real_file(real_file_path) fake_filepath_string = real_file_path_string.replace(os.sep, self.os.sep) self.assertTrue(self.os.path.exists(fake_filepath_string)) self.assertEqual( stat.S_IFREG, self.os.stat(fake_filepath_string).st_mode & stat.S_IFREG, ) def test_add_existing_real_directory_with_pathlib_path(self): real_dirpath_string = os.path.dirname(os.path.abspath(__file__)) real_dir_path = self.pathlib.Path(real_dirpath_string) self.filesystem.add_real_directory(real_dir_path) fake_dirpath_string = real_dirpath_string.replace(os.sep, self.os.sep) self.assertTrue(self.os.path.exists(fake_dirpath_string)) self.assertEqual( stat.S_IFDIR, self.os.stat(fake_dirpath_string).st_mode & stat.S_IFDIR, ) class FakeFilesystemChmodTest(fake_filesystem_unittest.TestCase): def setUp(self) -> None: self.setUpPyfakefs() @unittest.skipIf(sys.platform != "win32", "Windows specific test") def test_is_file_for_unreadable_dir_windows(self): self.fs.os = OSType.WINDOWS if is_root(): self.skipTest("Test only valid for non-root user") path = pathlib.Path("/foo/bar") self.fs.create_file(path) # normal chmod does not really set the mode to 0 self.fs.chmod("/foo", 0o000) self.assertTrue(path.is_file()) # but it does in forced UNIX mode self.fs.chmod("/foo", 0o000, force_unix_mode=True) with self.assertRaises(PermissionError): path.is_file() class FakePathlibModulePurePathTest(fake_filesystem_unittest.TestCase): def test_windows_pure_path_parsing_backslash(self): path = r"C:\Windows\cmd.exe" pure_result = pathlib.PureWindowsPath(path).stem self.assertEqual("cmd", pure_result) self.setUpPyfakefs() self.assertEqual( pure_result, fake_pathlib.FakePathlibModule.PureWindowsPath(path).stem ) self.assertEqual(pure_result, pathlib.PureWindowsPath(path).stem) def test_windows_pure_path_parsing_forward_slash(self): path = r"C:/Windows/cmd.exe" pure_result = pathlib.PureWindowsPath(path).stem self.assertEqual("cmd", pure_result) self.setUpPyfakefs() self.assertEqual( pure_result, fake_pathlib.FakePathlibModule.PureWindowsPath(path).stem ) self.assertEqual(pure_result, pathlib.PureWindowsPath(path).stem) def test_posix_pure_path_parsing(self): path = r"/bin/bash" pure_result = pathlib.PurePosixPath(path).stem self.assertEqual("bash", pure_result) self.setUpPyfakefs() self.assertEqual( pure_result, fake_pathlib.FakePathlibModule.PurePosixPath(path).stem ) self.assertEqual(pathlib.PurePosixPath(path).stem, pure_result) def test_windows_pure_path_str_backslash(self): path = r"C:\Windows\cmd.exe" pure_result = str(pathlib.PureWindowsPath(path)) self.assertEqual(r"C:\Windows\cmd.exe", pure_result) self.setUpPyfakefs() self.assertEqual( pure_result, str(fake_pathlib.FakePathlibModule.PureWindowsPath(path)) ) self.assertEqual(str(pathlib.PureWindowsPath(path)), pure_result) def test_windows_pure_path_str_forward_slash(self): path = "C:/Windows/cmd.exe" pure_result_win = str(pathlib.PureWindowsPath(path)) self.assertEqual(r"C:\Windows\cmd.exe", pure_result_win) pure_result_posix_stem = str(pathlib.PurePosixPath(path).stem) self.assertEqual("cmd", pure_result_posix_stem) self.setUpPyfakefs() self.assertEqual( pure_result_win, str(fake_pathlib.FakePathlibModule.PureWindowsPath(path)) ) self.assertEqual(pure_result_win, str(pathlib.PureWindowsPath(path))) self.assertEqual(pure_result_posix_stem, pathlib.PurePosixPath(path).stem) def test_posix_pure_path_str_backslash(self): path = r"\bin\bash" pure_result = str(pathlib.PurePosixPath(path)) self.assertEqual(r"\bin\bash", pure_result) self.setUpPyfakefs() self.assertEqual( pure_result, str(fake_pathlib.FakePathlibModule.PurePosixPath(path)) ) self.assertEqual(pure_result, str(pathlib.PurePosixPath(path))) def test_posix_pure_path_str_forward_slash(self): path = "/bin/bash" pure_result = str(pathlib.PurePosixPath(path)) self.assertEqual(r"/bin/bash", pure_result) self.setUpPyfakefs() self.assertEqual( pure_result, str(fake_pathlib.FakePathlibModule.PurePosixPath(path)) ) self.assertEqual(pure_result, str(pathlib.PurePosixPath(path))) def check_posix_pure_path_is_absolute(self, path, expected_result): pure_result = pathlib.PurePosixPath(path).is_absolute() self.assertEqual(expected_result, pure_result) self.setUpPyfakefs() self.assertEqual( pure_result, fake_pathlib.FakePathlibModule.PurePosixPath(path).is_absolute(), ) self.assertEqual(pure_result, pathlib.PurePosixPath(path).is_absolute()) def test_posix_pure_path_is_absolute_for_absolute_path(self): self.check_posix_pure_path_is_absolute("/bin/bash", expected_result=True) def test_posix_pure_path_is_absolute_for_local_path(self): self.check_posix_pure_path_is_absolute("bin/bash", expected_result=False) def test_posix_pure_path_is_absolute_for_relative_path(self): self.check_posix_pure_path_is_absolute("../bin/bash", expected_result=False) def check_windows_pure_path_is_absolute(self, path, expected_result): pure_result = pathlib.PureWindowsPath(path).is_absolute() self.assertEqual(expected_result, pure_result) self.setUpPyfakefs() self.assertEqual( pure_result, fake_pathlib.FakePathlibModule.PureWindowsPath(path).is_absolute(), ) self.assertEqual(pure_result, pathlib.PureWindowsPath(path).is_absolute()) def test_windows_pure_path_is_absolute_for_absolute_path(self): self.check_windows_pure_path_is_absolute("C:/Windows/cmd.exe", True) def test_windows_pure_path_is_absolute_for_local_path(self): self.check_windows_pure_path_is_absolute("./cmd.exe", expected_result=False) def test_windows_pure_path_is_absolute_for_relative_path(self): self.check_windows_pure_path_is_absolute("../cmd.exe", expected_result=False) class FakePathlibModulePurePathTestWindows(FakePathlibModulePurePathTest): def setUpPyfakefs(self, kwargs): super().setUpPyfakefs(kwargs) self.fs.os = OSType.WINDOWS class FakePathlibModulePurePathTestMacos(FakePathlibModulePurePathTest): def setUpPyfakefs(self, kwargs): super().setUpPyfakefs(kwargs) self.fs.os = OSType.MACOS class FakePathlibModulePurePathTestLinux(FakePathlibModulePurePathTest): def setUpPyfakefs(self, kwargs): super().setUpPyfakefs(kwargs) self.fs.os = OSType.LINUX class SkipPathlibTest(fake_filesystem_unittest.TestCase): def setUp(self): self.setUpPyfakefs(additional_skip_names=["skipped_pathlib"]) def test_open_in_skipped_module(self): # regression test for #1012 contents = read_pathlib("skipped_pathlib.py") self.assertTrue(contents.startswith("# Licensed under the Apache License")) def test_read_text_in_skipped_module(self): # regression test for #1012 contents = read_text_pathlib("skipped_pathlib.py") self.assertTrue(contents.startswith("# Licensed under the Apache License")) def test_read_bytes_in_skipped_module(self): # regression test for #1012 contents = read_bytes_pathlib("skipped_pathlib.py") self.assertTrue(contents.startswith(b"# Licensed under the Apache License")) @unittest.skipIf( IS_PYPY and sys.version_info < (3, 8), "Ignoring error in outdated version" ) def test_exists(self): self.assertTrue(check_exists_pathlib()) class InstantiatedPathlibTest(unittest.TestCase): def test_instantiated_pathlib(self): fake_fs = FakeFilesystem() fake_pathlib_module = FakePathlibModule(fake_fs) top_level_dirs = list(fake_pathlib_module.Path("/").iterdir()) self.assertEqual(0, len(top_level_dirs)) if __name__ == "__main__": unittest.main(verbosity=2)

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