def test_get_redirect_with_old_path(self):
"""Return redirect with given old_path if it exists, None if not."""
rd1 = Redirect('/one', '/two', 302)
rd2 = Redirect('/three', '/four', 302)
rdf = RedirectsFile('/tmp/foo.json')
rdf.add_redirect(rd1)
rdf.add_redirect(rd2)
retrd = rdf.get_redirect_with_old_path('/three')
assert retrd == rd2
retrd = rdf.get_redirect_with_old_path('/two')
assert retrd is None
retrd = rdf.get_redirect_with_old_path('/four')
assert retrd is None
