| 190 | self.assertEqual(posixpath.dirname(b"//foo//bar"), b"//foo") |
| 191 | |
| 192 | def test_islink(self): |
| 193 | self.assertIs(posixpath.islink(TESTFN + "1"), False) |
| 194 | self.assertIs(posixpath.lexists(TESTFN + "2"), False) |
| 195 | |
| 196 | self.addCleanup(os_helper.unlink, TESTFN + "1") |
| 197 | with open(TESTFN + "1", "wb") as f: |
| 198 | f.write(b"foo") |
| 199 | self.assertIs(posixpath.islink(TESTFN + "1"), False) |
| 200 | |
| 201 | if os_helper.can_symlink(): |
| 202 | self.addCleanup(os_helper.unlink, TESTFN + "2") |
| 203 | os.symlink(TESTFN + "1", TESTFN + "2") |
| 204 | self.assertIs(posixpath.islink(TESTFN + "2"), True) |
| 205 | os.remove(TESTFN + "1") |
| 206 | self.assertIs(posixpath.islink(TESTFN + "2"), True) |
| 207 | self.assertIs(posixpath.exists(TESTFN + "2"), False) |
| 208 | self.assertIs(posixpath.lexists(TESTFN + "2"), True) |
| 209 | |
| 210 | def test_islink_invalid_paths(self): |
| 211 | self.assertIs(posixpath.islink(TESTFN + "\udfff"), False) |