| """ |
| Tests common to genericpath, macpath, ntpath and posixpath |
| """ |
| |
| import unittest |
| from test import support |
| import os |
| import genericpath |
| import sys |
| |
| |
| def safe_rmdir(dirname): |
| try: |
| os.rmdir(dirname) |
| except OSError: |
| pass |
| |
| |
| class GenericTest(unittest.TestCase): |
| # The path module to be tested |
| pathmodule = genericpath |
| 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): |
| f = open(support.TESTFN, "wb") |
| try: |
| f.write(b"foo") |
| f.close() |
| self.assertEqual(self.pathmodule.getsize(support.TESTFN), 3) |
| finally: |
| if not f.closed: |
| f.close() |
| support.unlink(support.TESTFN) |
| |
| def test_time(self): |
| f = open(support.TESTFN, "wb") |
| try: |
| f.write(b"foo") |
| f.close() |
| f = open(support.TESTFN, "ab") |
| f.write(b"bar") |
| f.close() |
| f = open(support.TESTFN, "rb") |
| d = f.read() |
| f.close() |
| self.assertEqual(d, b"foobar") |
| |
| self.assertLessEqual( |
| self.pathmodule.getctime(support.TESTFN), |
| self.pathmodule.getmtime(support.TESTFN) |
| ) |
| finally: |
| if not f.closed: |
| f.close() |
| support.unlink(support.TESTFN) |
| |
| def test_exists(self): |
| self.assertIs(self.pathmodule.exists(support.TESTFN), False) |
| f = open(support.TESTFN, "wb") |
| try: |
| f.write(b"foo") |
| f.close() |
| self.assertIs(self.pathmodule.exists(support.TESTFN), True) |
| if not self.pathmodule == genericpath: |
| self.assertIs(self.pathmodule.lexists(support.TESTFN), |
| True) |
| finally: |
| if not f.close(): |
| f.close() |
| support.unlink(support.TESTFN) |
| |
| def test_isdir(self): |
| self.assertIs(self.pathmodule.isdir(support.TESTFN), False) |
| f = open(support.TESTFN, "wb") |
| try: |
| f.write(b"foo") |
| f.close() |
| self.assertIs(self.pathmodule.isdir(support.TESTFN), False) |
| os.remove(support.TESTFN) |
| os.mkdir(support.TESTFN) |
| self.assertIs(self.pathmodule.isdir(support.TESTFN), True) |
| os.rmdir(support.TESTFN) |
| finally: |
| if not f.close(): |
| f.close() |
| support.unlink(support.TESTFN) |
| safe_rmdir(support.TESTFN) |
| |
| def test_isfile(self): |
| self.assertIs(self.pathmodule.isfile(support.TESTFN), False) |
| f = open(support.TESTFN, "wb") |
| try: |
| f.write(b"foo") |
| f.close() |
| self.assertIs(self.pathmodule.isfile(support.TESTFN), True) |
| os.remove(support.TESTFN) |
| os.mkdir(support.TESTFN) |
| self.assertIs(self.pathmodule.isfile(support.TESTFN), False) |
| os.rmdir(support.TESTFN) |
| finally: |
| if not f.close(): |
| f.close() |
| support.unlink(support.TESTFN) |
| safe_rmdir(support.TESTFN) |
| |
| |
| # Following TestCase is not supposed to be run from test_genericpath. |
| # It is inherited by other test modules (macpath, ntpath, posixpath). |
| |
| class CommonTest(GenericTest): |
| # The path module to be tested |
| pathmodule = None |
| 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("${foo}bar"), "barbar") |
| self.assertEqual(expandvars("$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"barbar") |
| 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") |
| |
| def test_abspath(self): |
| self.assertIn("foo", self.pathmodule.abspath("foo")) |
| self.assertIn(b"foo", self.pathmodule.abspath(b"foo")) |
| |
| # Abspath returns bytes when the arg is bytes |
| for path in (b'', b'foo', b'f\xf2\xf2', b'/foo', b'C:\\'): |
| self.assertIsInstance(self.pathmodule.abspath(path), bytes) |
| |
| def test_realpath(self): |
| self.assertIn("foo", self.pathmodule.realpath("foo")) |
| 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: |
| fsencoding = support.TESTFN_ENCODING or "ascii" |
| unicwd.encode(fsencoding) |
| 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) |
| |
| @unittest.skipIf(sys.platform == 'darwin', |
| "Mac OS X denies the creation of a directory with an invalid utf8 name") |
| def test_nonascii_abspath(self): |
| # Test non-ASCII, non-UTF8 bytes in the path. |
| with support.temp_cwd(b'\xe7w\xf0'): |
| self.test_abspath() |
| |
| |
| def test_main(): |
| support.run_unittest(GenericTest) |
| |
| |
| if __name__=="__main__": |
| test_main() |