cpython/Lib/test/archiver_tests.py at 3.13 · python/cpython · GitHub

Name: cpython/Lib/test/archiver_tests.py at 3.13 · python/cpython · GitHub
Rating: 4.6 (9670 reviews)
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"""Tests common to tarfile and zipfile."""

importos
importsys

fromtest.supportimportswap_attr
fromtest.supportimportos_helper

classOverwriteTests:

defsetUp(self):
os.makedirs(self.testdir)
self.addCleanup(os_helper.rmtree, self.testdir)

defcreate_file(self, path, content=b''):
withopen(path, 'wb') asf:
f.write(content)

defopen(self, path):
raiseNotImplementedError

defextractall(self, ar):
raiseNotImplementedError


deftest_overwrite_file_as_file(self):
target=os.path.join(self.testdir, 'test')
self.create_file(target, b'content')
withself.open(self.ar_with_file) asar:
self.extractall(ar)
self.assertTrue(os.path.isfile(target))
withopen(target, 'rb') asf:
self.assertEqual(f.read(), b'newcontent')

deftest_overwrite_dir_as_dir(self):
target=os.path.join(self.testdir, 'test')
os.mkdir(target)
withself.open(self.ar_with_dir) asar:
self.extractall(ar)
self.assertTrue(os.path.isdir(target))

deftest_overwrite_dir_as_implicit_dir(self):
target=os.path.join(self.testdir, 'test')
os.mkdir(target)
withself.open(self.ar_with_implicit_dir) asar:
self.extractall(ar)
self.assertTrue(os.path.isdir(target))
self.assertTrue(os.path.isfile(os.path.join(target, 'file')))
withopen(os.path.join(target, 'file'), 'rb') asf:
self.assertEqual(f.read(), b'newcontent')

deftest_overwrite_dir_as_file(self):
target=os.path.join(self.testdir, 'test')
os.mkdir(target)
withself.open(self.ar_with_file) asar:
withself.assertRaises(PermissionErrorifsys.platform=='win32'
elseIsADirectoryError):
self.extractall(ar)
self.assertTrue(os.path.isdir(target))

deftest_overwrite_file_as_dir(self):
target=os.path.join(self.testdir, 'test')
self.create_file(target, b'content')
withself.open(self.ar_with_dir) asar:
withself.assertRaises(FileExistsError):
self.extractall(ar)
self.assertTrue(os.path.isfile(target))
withopen(target, 'rb') asf:
self.assertEqual(f.read(), b'content')

deftest_overwrite_file_as_implicit_dir(self):
target=os.path.join(self.testdir, 'test')
self.create_file(target, b'content')
withself.open(self.ar_with_implicit_dir) asar:
withself.assertRaises(FileNotFoundErrorifsys.platform=='win32'
elseNotADirectoryError):
self.extractall(ar)
self.assertTrue(os.path.isfile(target))
withopen(target, 'rb') asf:
self.assertEqual(f.read(), b'content')

@os_helper.skip_unless_symlink
deftest_overwrite_file_symlink_as_file(self):
# XXX: It is potential security vulnerability.
target=os.path.join(self.testdir, 'test')
target2=os.path.join(self.testdir, 'test2')
self.create_file(target2, b'content')
os.symlink('test2', target)
withself.open(self.ar_with_file) asar:
self.extractall(ar)
self.assertTrue(os.path.islink(target))
self.assertTrue(os.path.isfile(target2))
withopen(target2, 'rb') asf:
self.assertEqual(f.read(), b'newcontent')

@os_helper.skip_unless_symlink
deftest_overwrite_broken_file_symlink_as_file(self):
# XXX: It is potential security vulnerability.
target=os.path.join(self.testdir, 'test')
target2=os.path.join(self.testdir, 'test2')
os.symlink('test2', target)
withself.open(self.ar_with_file) asar:
self.extractall(ar)
self.assertTrue(os.path.islink(target))
self.assertTrue(os.path.isfile(target2))
withopen(target2, 'rb') asf:
self.assertEqual(f.read(), b'newcontent')

@os_helper.skip_unless_symlink
deftest_overwrite_dir_symlink_as_dir(self):
# XXX: It is potential security vulnerability.
target=os.path.join(self.testdir, 'test')
target2=os.path.join(self.testdir, 'test2')
os.mkdir(target2)
os.symlink('test2', target, target_is_directory=True)
withself.open(self.ar_with_dir) asar:
self.extractall(ar)
self.assertTrue(os.path.islink(target))
self.assertTrue(os.path.isdir(target2))

@os_helper.skip_unless_symlink
deftest_overwrite_dir_symlink_as_implicit_dir(self):
# XXX: It is potential security vulnerability.
target=os.path.join(self.testdir, 'test')
target2=os.path.join(self.testdir, 'test2')
os.mkdir(target2)
os.symlink('test2', target, target_is_directory=True)
withself.open(self.ar_with_implicit_dir) asar:
self.extractall(ar)
self.assertTrue(os.path.islink(target))
self.assertTrue(os.path.isdir(target2))
self.assertTrue(os.path.isfile(os.path.join(target2, 'file')))
withopen(os.path.join(target2, 'file'), 'rb') asf:
self.assertEqual(f.read(), b'newcontent')

@os_helper.skip_unless_symlink
deftest_overwrite_broken_dir_symlink_as_dir(self):
target=os.path.join(self.testdir, 'test')
target2=os.path.join(self.testdir, 'test2')
os.symlink('test2', target, target_is_directory=True)
withself.open(self.ar_with_dir) asar:
withself.assertRaises(FileExistsError):
self.extractall(ar)
self.assertTrue(os.path.islink(target))
self.assertFalse(os.path.exists(target2))

@os_helper.skip_unless_symlink
deftest_overwrite_broken_dir_symlink_as_implicit_dir(self):
target=os.path.join(self.testdir, 'test')
target2=os.path.join(self.testdir, 'test2')
os.symlink('test2', target, target_is_directory=True)
withself.open(self.ar_with_implicit_dir) asar:
withself.assertRaises(FileExistsError):
self.extractall(ar)
self.assertTrue(os.path.islink(target))
self.assertFalse(os.path.exists(target2))

deftest_concurrent_extract_dir(self):
target=os.path.join(self.testdir, 'test')
defconcurrent_mkdir(*args, **kwargs):
orig_mkdir(*args, **kwargs)
orig_mkdir(*args, **kwargs)
withswap_attr(os, 'mkdir', concurrent_mkdir) asorig_mkdir:
withself.open(self.ar_with_dir) asar:
self.extractall(ar)
self.assertTrue(os.path.isdir(target))

deftest_concurrent_extract_implicit_dir(self):
target=os.path.join(self.testdir, 'test')
defconcurrent_mkdir(*args, **kwargs):
orig_mkdir(*args, **kwargs)
orig_mkdir(*args, **kwargs)
withswap_attr(os, 'mkdir', concurrent_mkdir) asorig_mkdir:
withself.open(self.ar_with_implicit_dir) asar:
self.extractall(ar)
self.assertTrue(os.path.isdir(target))
self.assertTrue(os.path.isfile(os.path.join(target, 'file')))