| """ |
| Tests common to genericpath, macpath, ntpath and posixpath |
| """ |
| |
| import genericpath |
| import os |
| import sys |
| import unittest |
| import warnings |
| from test import support |
| from test.support.script_helper import assert_python_ok |
| from test.support import FakePath |
| |
| |
| def create_file(filename, data=b'foo'): |
| with open(filename, 'xb', 0) as fp: |
| fp.write(data) |
| |
| |
| class GenericTest: |
| common_attributes = ['commonprefix', 'getsize', 'getatime', 'getctime', |
| 'getmtime', 'exists', 'isdir', 'isfile'] |
| attributes = [] |
| |
| def test_no_argument(self): |
| for attr in self.common_attributes + self.attributes: |
| with self.assertRaises(TypeError): |
| getattr(self.pathmodule, attr)() |
| raise self.fail("{}.{}() did not raise a TypeError" |
| .format(self.pathmodule.__name__, attr)) |
| |
| def test_commonprefix(self): |
| commonprefix = self.pathmodule.commonprefix |
| self.assertEqual( |
| commonprefix([]), |
| "" |
| ) |
| self.assertEqual( |
| commonprefix(["/home/swenson/spam", "/home/swen/spam"]), |
| "/home/swen" |
| ) |
| self.assertEqual( |
| commonprefix(["/home/swen/spam", "/home/swen/eggs"]), |
| "/home/swen/" |
| ) |
| self.assertEqual( |
| commonprefix(["/home/swen/spam", "/home/swen/spam"]), |
| "/home/swen/spam" |
| ) |
| self.assertEqual( |
| commonprefix(["home:swenson:spam", "home:swen:spam"]), |
| "home:swen" |
| ) |
| self.assertEqual( |
| commonprefix([":home:swen:spam", ":home:swen:eggs"]), |
| ":home:swen:" |
| ) |
| self.assertEqual( |
| commonprefix([":home:swen:spam", ":home:swen:spam"]), |
| ":home:swen:spam" |
| ) |
| |
| self.assertEqual( |
| commonprefix([b"/home/swenson/spam", b"/home/swen/spam"]), |
| b"/home/swen" |
| ) |
| self.assertEqual( |
| commonprefix([b"/home/swen/spam", b"/home/swen/eggs"]), |
| b"/home/swen/" |
| ) |
| self.assertEqual( |
| commonprefix([b"/home/swen/spam", b"/home/swen/spam"]), |
| b"/home/swen/spam" |
| ) |
| self.assertEqual( |
| commonprefix([b"home:swenson:spam", b"home:swen:spam"]), |
| b"home:swen" |
| ) |
| self.assertEqual( |
| commonprefix([b":home:swen:spam", b":home:swen:eggs"]), |
| b":home:swen:" |
| ) |
| self.assertEqual( |
| commonprefix([b":home:swen:spam", b":home:swen:spam"]), |
| b":home:swen:spam" |
| ) |
| |
| testlist = ['', 'abc', 'Xbcd', 'Xb', 'XY', 'abcd', |
| 'aXc', 'abd', 'ab', 'aX', 'abcX'] |
| for s1 in testlist: |
| for s2 in testlist: |
| p = commonprefix([s1, s2]) |
| self.assertTrue(s1.startswith(p)) |
| self.assertTrue(s2.startswith(p)) |
| if s1 != s2: |
| n = len(p) |
| self.assertNotEqual(s1[n:n+1], s2[n:n+1]) |
| |
| def test_getsize(self): |
| filename = support.TESTFN |
| self.addCleanup(support.unlink, filename) |
| |
| create_file(filename, b'Hello') |
| self.assertEqual(self.pathmodule.getsize(filename), 5) |
| os.remove(filename) |
| |
| create_file(filename, b'Hello World!') |
| self.assertEqual(self.pathmodule.getsize(filename), 12) |
| |
| def test_filetime(self): |
| filename = support.TESTFN |
| self.addCleanup(support.unlink, filename) |
| |
| create_file(filename, b'foo') |
| |
| with open(filename, "ab", 0) as f: |
| f.write(b"bar") |
| |
| with open(filename, "rb", 0) as f: |
| data = f.read() |
| self.assertEqual(data, b"foobar") |
| |
| self.assertLessEqual( |
| self.pathmodule.getctime(filename), |
| self.pathmodule.getmtime(filename) |
| ) |
| |
| def test_exists(self): |
| filename = support.TESTFN |
| bfilename = os.fsencode(filename) |
| self.addCleanup(support.unlink, filename) |
| |
| self.assertIs(self.pathmodule.exists(filename), False) |
| self.assertIs(self.pathmodule.exists(bfilename), False) |
| |
| create_file(filename) |
| |
| self.assertIs(self.pathmodule.exists(filename), True) |
| self.assertIs(self.pathmodule.exists(bfilename), True) |
| |
| if self.pathmodule is not genericpath: |
| self.assertIs(self.pathmodule.lexists(filename), True) |
| self.assertIs(self.pathmodule.lexists(bfilename), True) |
| |
| @unittest.skipUnless(hasattr(os, "pipe"), "requires os.pipe()") |
| def test_exists_fd(self): |
| r, w = os.pipe() |
| try: |
| self.assertTrue(self.pathmodule.exists(r)) |
| finally: |
| os.close(r) |
| os.close(w) |
| self.assertFalse(self.pathmodule.exists(r)) |
| |
| def test_isdir(self): |
| filename = support.TESTFN |
| bfilename = os.fsencode(filename) |
| self.assertIs(self.pathmodule.isdir(filename), False) |
| self.assertIs(self.pathmodule.isdir(bfilename), False) |
| |
| try: |
| create_file(filename) |
| self.assertIs(self.pathmodule.isdir(filename), False) |
| self.assertIs(self.pathmodule.isdir(bfilename), False) |
| finally: |
| support.unlink(filename) |
| |
| try: |
| os.mkdir(filename) |
| self.assertIs(self.pathmodule.isdir(filename), True) |
| self.assertIs(self.pathmodule.isdir(bfilename), True) |
| finally: |
| support.rmdir(filename) |
| |
| def test_isfile(self): |
| filename = support.TESTFN |
| bfilename = os.fsencode(filename) |
| self.assertIs(self.pathmodule.isfile(filename), False) |
| self.assertIs(self.pathmodule.isfile(bfilename), False) |
| |
| try: |
| create_file(filename) |
| self.assertIs(self.pathmodule.isfile(filename), True) |
| self.assertIs(self.pathmodule.isfile(bfilename), True) |
| finally: |
| support.unlink(filename) |
| |
| try: |
| os.mkdir(filename) |
| self.assertIs(self.pathmodule.isfile(filename), False) |
| self.assertIs(self.pathmodule.isfile(bfilename), False) |
| finally: |
| support.rmdir(filename) |
| |
| def test_samefile(self): |
| file1 = support.TESTFN |
| file2 = support.TESTFN + "2" |
| self.addCleanup(support.unlink, file1) |
| self.addCleanup(support.unlink, file2) |
| |
| create_file(file1) |
| self.assertTrue(self.pathmodule.samefile(file1, file1)) |
| |
| create_file(file2) |
| self.assertFalse(self.pathmodule.samefile(file1, file2)) |
| |
| self.assertRaises(TypeError, self.pathmodule.samefile) |
| |
| def _test_samefile_on_link_func(self, func): |
| test_fn1 = support.TESTFN |
| test_fn2 = support.TESTFN + "2" |
| self.addCleanup(support.unlink, test_fn1) |
| self.addCleanup(support.unlink, test_fn2) |
| |
| create_file(test_fn1) |
| |
| func(test_fn1, test_fn2) |
| self.assertTrue(self.pathmodule.samefile(test_fn1, test_fn2)) |
| os.remove(test_fn2) |
| |
| create_file(test_fn2) |
| self.assertFalse(self.pathmodule.samefile(test_fn1, test_fn2)) |
| |
| @support.skip_unless_symlink |
| def test_samefile_on_symlink(self): |
| self._test_samefile_on_link_func(os.symlink) |
| |
| def test_samefile_on_link(self): |
| try: |
| self._test_samefile_on_link_func(os.link) |
| except PermissionError as e: |
| self.skipTest('os.link(): %s' % e) |
| |
| def test_samestat(self): |
| test_fn1 = support.TESTFN |
| test_fn2 = support.TESTFN + "2" |
| self.addCleanup(support.unlink, test_fn1) |
| self.addCleanup(support.unlink, test_fn2) |
| |
| create_file(test_fn1) |
| stat1 = os.stat(test_fn1) |
| self.assertTrue(self.pathmodule.samestat(stat1, os.stat(test_fn1))) |
| |
| create_file(test_fn2) |
| stat2 = os.stat(test_fn2) |
| self.assertFalse(self.pathmodule.samestat(stat1, stat2)) |
| |
| self.assertRaises(TypeError, self.pathmodule.samestat) |
| |
| def _test_samestat_on_link_func(self, func): |
| test_fn1 = support.TESTFN + "1" |
| test_fn2 = support.TESTFN + "2" |
| self.addCleanup(support.unlink, test_fn1) |
| self.addCleanup(support.unlink, test_fn2) |
| |
| create_file(test_fn1) |
| func(test_fn1, test_fn2) |
| self.assertTrue(self.pathmodule.samestat(os.stat(test_fn1), |
| os.stat(test_fn2))) |
| os.remove(test_fn2) |
| |
| create_file(test_fn2) |
| self.assertFalse(self.pathmodule.samestat(os.stat(test_fn1), |
| os.stat(test_fn2))) |
| |
| @support.skip_unless_symlink |
| def test_samestat_on_symlink(self): |
| self._test_samestat_on_link_func(os.symlink) |
| |
| def test_samestat_on_link(self): |
| try: |
| self._test_samestat_on_link_func(os.link) |
| except PermissionError as e: |
| self.skipTest('os.link(): %s' % e) |
| |
| def test_sameopenfile(self): |
| filename = support.TESTFN |
| self.addCleanup(support.unlink, filename) |
| create_file(filename) |
| |
| with open(filename, "rb", 0) as fp1: |
| fd1 = fp1.fileno() |
| with open(filename, "rb", 0) as fp2: |
| fd2 = fp2.fileno() |
| self.assertTrue(self.pathmodule.sameopenfile(fd1, fd2)) |
| |
| |
| class TestGenericTest(GenericTest, unittest.TestCase): |
| # Issue 16852: GenericTest can't inherit from unittest.TestCase |
| # for test discovery purposes; CommonTest inherits from GenericTest |
| # and is only meant to be inherited by others. |
| pathmodule = genericpath |
| |
| def test_invalid_paths(self): |
| for attr in GenericTest.common_attributes: |
| # os.path.commonprefix doesn't raise ValueError |
| if attr == 'commonprefix': |
| continue |
| func = getattr(self.pathmodule, attr) |
| with self.subTest(attr=attr): |
| try: |
| func('/tmp\udfffabcds') |
| except (OSError, UnicodeEncodeError): |
| pass |
| try: |
| func(b'/tmp\xffabcds') |
| except (OSError, UnicodeDecodeError): |
| pass |
| with self.assertRaisesRegex(ValueError, 'embedded null'): |
| func('/tmp\x00abcds') |
| with self.assertRaisesRegex(ValueError, 'embedded null'): |
| func(b'/tmp\x00abcds') |
| |
| # Following TestCase is not supposed to be run from test_genericpath. |
| # It is inherited by other test modules (macpath, ntpath, posixpath). |
| |
| class CommonTest(GenericTest): |
| common_attributes = GenericTest.common_attributes + [ |
| # Properties |
| 'curdir', 'pardir', 'extsep', 'sep', |
| 'pathsep', 'defpath', 'altsep', 'devnull', |
| # Methods |
| 'normcase', 'splitdrive', 'expandvars', 'normpath', 'abspath', |
| 'join', 'split', 'splitext', 'isabs', 'basename', 'dirname', |
| 'lexists', 'islink', 'ismount', 'expanduser', 'normpath', 'realpath', |
| ] |
| |
| def test_normcase(self): |
| normcase = self.pathmodule.normcase |
| # check that normcase() is idempotent |
| for p in ["FoO/./BaR", b"FoO/./BaR"]: |
| p = normcase(p) |
| self.assertEqual(p, normcase(p)) |
| |
| self.assertEqual(normcase(''), '') |
| self.assertEqual(normcase(b''), b'') |
| |
| # check that normcase raises a TypeError for invalid types |
| for path in (None, True, 0, 2.5, [], bytearray(b''), {'o','o'}): |
| self.assertRaises(TypeError, normcase, path) |
| |
| def test_splitdrive(self): |
| # splitdrive for non-NT paths |
| splitdrive = self.pathmodule.splitdrive |
| self.assertEqual(splitdrive("/foo/bar"), ("", "/foo/bar")) |
| self.assertEqual(splitdrive("foo:bar"), ("", "foo:bar")) |
| self.assertEqual(splitdrive(":foo:bar"), ("", ":foo:bar")) |
| |
| self.assertEqual(splitdrive(b"/foo/bar"), (b"", b"/foo/bar")) |
| self.assertEqual(splitdrive(b"foo:bar"), (b"", b"foo:bar")) |
| self.assertEqual(splitdrive(b":foo:bar"), (b"", b":foo:bar")) |
| |
| def test_expandvars(self): |
| if self.pathmodule.__name__ == 'macpath': |
| self.skipTest('macpath.expandvars is a stub') |
| expandvars = self.pathmodule.expandvars |
| with support.EnvironmentVarGuard() as env: |
| env.clear() |
| env["foo"] = "bar" |
| env["{foo"] = "baz1" |
| env["{foo}"] = "baz2" |
| self.assertEqual(expandvars("foo"), "foo") |
| self.assertEqual(expandvars("$foo bar"), "bar bar") |
| self.assertEqual(expandvars("${foo}bar"), "barbar") |
| self.assertEqual(expandvars("$[foo]bar"), "$[foo]bar") |
| self.assertEqual(expandvars("$bar bar"), "$bar bar") |
| self.assertEqual(expandvars("$?bar"), "$?bar") |
| self.assertEqual(expandvars("$foo}bar"), "bar}bar") |
| self.assertEqual(expandvars("${foo"), "${foo") |
| self.assertEqual(expandvars("${{foo}}"), "baz1}") |
| self.assertEqual(expandvars("$foo$foo"), "barbar") |
| self.assertEqual(expandvars("$bar$bar"), "$bar$bar") |
| |
| self.assertEqual(expandvars(b"foo"), b"foo") |
| self.assertEqual(expandvars(b"$foo bar"), b"bar bar") |
| self.assertEqual(expandvars(b"${foo}bar"), b"barbar") |
| self.assertEqual(expandvars(b"$[foo]bar"), b"$[foo]bar") |
| self.assertEqual(expandvars(b"$bar bar"), b"$bar bar") |
| self.assertEqual(expandvars(b"$?bar"), b"$?bar") |
| self.assertEqual(expandvars(b"$foo}bar"), b"bar}bar") |
| self.assertEqual(expandvars(b"${foo"), b"${foo") |
| self.assertEqual(expandvars(b"${{foo}}"), b"baz1}") |
| self.assertEqual(expandvars(b"$foo$foo"), b"barbar") |
| self.assertEqual(expandvars(b"$bar$bar"), b"$bar$bar") |
| |
| @unittest.skipUnless(support.FS_NONASCII, 'need support.FS_NONASCII') |
| def test_expandvars_nonascii(self): |
| if self.pathmodule.__name__ == 'macpath': |
| self.skipTest('macpath.expandvars is a stub') |
| expandvars = self.pathmodule.expandvars |
| def check(value, expected): |
| self.assertEqual(expandvars(value), expected) |
| with support.EnvironmentVarGuard() as env: |
| env.clear() |
| nonascii = support.FS_NONASCII |
| env['spam'] = nonascii |
| env[nonascii] = 'ham' + nonascii |
| check(nonascii, nonascii) |
| check('$spam bar', '%s bar' % nonascii) |
| check('${spam}bar', '%sbar' % nonascii) |
| check('${%s}bar' % nonascii, 'ham%sbar' % nonascii) |
| check('$bar%s bar' % nonascii, '$bar%s bar' % nonascii) |
| check('$spam}bar', '%s}bar' % nonascii) |
| |
| check(os.fsencode(nonascii), os.fsencode(nonascii)) |
| check(b'$spam bar', os.fsencode('%s bar' % nonascii)) |
| check(b'${spam}bar', os.fsencode('%sbar' % nonascii)) |
| check(os.fsencode('${%s}bar' % nonascii), |
| os.fsencode('ham%sbar' % nonascii)) |
| check(os.fsencode('$bar%s bar' % nonascii), |
| os.fsencode('$bar%s bar' % nonascii)) |
| check(b'$spam}bar', os.fsencode('%s}bar' % nonascii)) |
| |
| def test_abspath(self): |
| self.assertIn("foo", self.pathmodule.abspath("foo")) |
| with warnings.catch_warnings(): |
| warnings.simplefilter("ignore", DeprecationWarning) |
| self.assertIn(b"foo", self.pathmodule.abspath(b"foo")) |
| |
| # avoid UnicodeDecodeError on Windows |
| undecodable_path = b'' if sys.platform == 'win32' else b'f\xf2\xf2' |
| |
| # Abspath returns bytes when the arg is bytes |
| with warnings.catch_warnings(): |
| warnings.simplefilter("ignore", DeprecationWarning) |
| for path in (b'', b'foo', undecodable_path, b'/foo', b'C:\\'): |
| self.assertIsInstance(self.pathmodule.abspath(path), bytes) |
| |
| def test_realpath(self): |
| self.assertIn("foo", self.pathmodule.realpath("foo")) |
| with warnings.catch_warnings(): |
| warnings.simplefilter("ignore", DeprecationWarning) |
| self.assertIn(b"foo", self.pathmodule.realpath(b"foo")) |
| |
| def test_normpath_issue5827(self): |
| # Make sure normpath preserves unicode |
| for path in ('', '.', '/', '\\', '///foo/.//bar//'): |
| self.assertIsInstance(self.pathmodule.normpath(path), str) |
| |
| def test_abspath_issue3426(self): |
| # Check that abspath returns unicode when the arg is unicode |
| # with both ASCII and non-ASCII cwds. |
| abspath = self.pathmodule.abspath |
| for path in ('', 'fuu', 'f\xf9\xf9', '/fuu', 'U:\\'): |
| self.assertIsInstance(abspath(path), str) |
| |
| unicwd = '\xe7w\xf0' |
| try: |
| os.fsencode(unicwd) |
| except (AttributeError, UnicodeEncodeError): |
| # FS encoding is probably ASCII |
| pass |
| else: |
| with support.temp_cwd(unicwd): |
| for path in ('', 'fuu', 'f\xf9\xf9', '/fuu', 'U:\\'): |
| self.assertIsInstance(abspath(path), str) |
| |
| def test_nonascii_abspath(self): |
| if (support.TESTFN_UNDECODABLE |
| # Mac OS X denies the creation of a directory with an invalid |
| # UTF-8 name. Windows allows creating a directory with an |
| # arbitrary bytes name, but fails to enter this directory |
| # (when the bytes name is used). |
| and sys.platform not in ('win32', 'darwin')): |
| name = support.TESTFN_UNDECODABLE |
| elif support.TESTFN_NONASCII: |
| name = support.TESTFN_NONASCII |
| else: |
| self.skipTest("need support.TESTFN_NONASCII") |
| |
| with warnings.catch_warnings(): |
| warnings.simplefilter("ignore", DeprecationWarning) |
| with support.temp_cwd(name): |
| self.test_abspath() |
| |
| def test_join_errors(self): |
| # Check join() raises friendly TypeErrors. |
| with support.check_warnings(('', BytesWarning), quiet=True): |
| errmsg = "Can't mix strings and bytes in path components" |
| with self.assertRaisesRegex(TypeError, errmsg): |
| self.pathmodule.join(b'bytes', 'str') |
| with self.assertRaisesRegex(TypeError, errmsg): |
| self.pathmodule.join('str', b'bytes') |
| # regression, see #15377 |
| with self.assertRaisesRegex(TypeError, 'int'): |
| self.pathmodule.join(42, 'str') |
| with self.assertRaisesRegex(TypeError, 'int'): |
| self.pathmodule.join('str', 42) |
| with self.assertRaisesRegex(TypeError, 'int'): |
| self.pathmodule.join(42) |
| with self.assertRaisesRegex(TypeError, 'list'): |
| self.pathmodule.join([]) |
| with self.assertRaisesRegex(TypeError, 'bytearray'): |
| self.pathmodule.join(bytearray(b'foo'), bytearray(b'bar')) |
| |
| def test_relpath_errors(self): |
| # Check relpath() raises friendly TypeErrors. |
| with support.check_warnings(('', (BytesWarning, DeprecationWarning)), |
| quiet=True): |
| errmsg = "Can't mix strings and bytes in path components" |
| with self.assertRaisesRegex(TypeError, errmsg): |
| self.pathmodule.relpath(b'bytes', 'str') |
| with self.assertRaisesRegex(TypeError, errmsg): |
| self.pathmodule.relpath('str', b'bytes') |
| with self.assertRaisesRegex(TypeError, 'int'): |
| self.pathmodule.relpath(42, 'str') |
| with self.assertRaisesRegex(TypeError, 'int'): |
| self.pathmodule.relpath('str', 42) |
| with self.assertRaisesRegex(TypeError, 'bytearray'): |
| self.pathmodule.relpath(bytearray(b'foo'), bytearray(b'bar')) |
| |
| def test_import(self): |
| assert_python_ok('-S', '-c', 'import ' + self.pathmodule.__name__) |
| |
| |
| class PathLikeTests(unittest.TestCase): |
| |
| def setUp(self): |
| self.file_name = support.TESTFN.lower() |
| self.file_path = FakePath(support.TESTFN) |
| self.addCleanup(support.unlink, self.file_name) |
| create_file(self.file_name, b"test_genericpath.PathLikeTests") |
| |
| def assertPathEqual(self, func): |
| self.assertEqual(func(self.file_path), func(self.file_name)) |
| |
| def test_path_exists(self): |
| self.assertPathEqual(os.path.exists) |
| |
| def test_path_isfile(self): |
| self.assertPathEqual(os.path.isfile) |
| |
| def test_path_isdir(self): |
| self.assertPathEqual(os.path.isdir) |
| |
| def test_path_commonprefix(self): |
| self.assertEqual(os.path.commonprefix([self.file_path, self.file_name]), |
| self.file_name) |
| |
| def test_path_getsize(self): |
| self.assertPathEqual(os.path.getsize) |
| |
| def test_path_getmtime(self): |
| self.assertPathEqual(os.path.getatime) |
| |
| def test_path_getctime(self): |
| self.assertPathEqual(os.path.getctime) |
| |
| def test_path_samefile(self): |
| self.assertTrue(os.path.samefile(self.file_path, self.file_name)) |
| |
| |
| if __name__ == "__main__": |
| unittest.main() |
