| Class | TestUrlToPath | Undocumented |
| Class | TestCwdToURL | Test that local_path_to_url works base on the cwd |
| Class | TestDeriveToLocation | Test that the mapping of FROM_LOCATION to TO_LOCATION works. |
| Class | TestRebaseURL | Test the behavior of rebase_url. |
| Class | TestParseURL | Undocumented |
| Class | TestURL | Undocumented |