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Diffstat (limited to 'Lib/test/test_ntpath.py')
| -rw-r--r-- | Lib/test/test_ntpath.py | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/Lib/test/test_ntpath.py b/Lib/test/test_ntpath.py index 0e57c16..538d758 100644 --- a/Lib/test/test_ntpath.py +++ b/Lib/test/test_ntpath.py @@ -992,6 +992,26 @@ class TestNtpath(NtpathTestCase): self.assertTrue(os.path.exists is nt._path_exists) self.assertFalse(inspect.isfunction(os.path.exists)) + @unittest.skipIf(os.name != 'nt', "Dev Drives only exist on Win32") + def test_isdevdrive(self): + # Result may be True or False, but shouldn't raise + self.assertIn(ntpath.isdevdrive(os_helper.TESTFN), (True, False)) + # ntpath.isdevdrive can handle relative paths + self.assertIn(ntpath.isdevdrive("."), (True, False)) + self.assertIn(ntpath.isdevdrive(b"."), (True, False)) + # Volume syntax is supported + self.assertIn(ntpath.isdevdrive(os.listvolumes()[0]), (True, False)) + # Invalid volume returns False from os.path method + self.assertFalse(ntpath.isdevdrive(r"\\?\Volume{00000000-0000-0000-0000-000000000000}\\")) + # Invalid volume raises from underlying helper + with self.assertRaises(OSError): + nt._path_isdevdrive(r"\\?\Volume{00000000-0000-0000-0000-000000000000}\\") + + @unittest.skipIf(os.name == 'nt', "isdevdrive fallback only used off Win32") + def test_isdevdrive_fallback(self): + # Fallback always returns False + self.assertFalse(ntpath.isdevdrive(os_helper.TESTFN)) + class NtCommonTest(test_genericpath.CommonTest, unittest.TestCase): pathmodule = ntpath |