def test_url_is_the_authoritative_url(self):
downloader = LocalAuthoritiesDownloader()
url = downloader._authoritative_url()
self.assertEqual(url, downloader._authoritative_url())
def test_that_the_default_url_can_be_overridden_with_an_env_var(self):
mock_env = {'LOCAL_AUTHORITIES_DUMP_URL': 'blah'}
with mock.patch.dict('os.environ', mock_env):
downloader = LocalAuthoritiesDownloader()
self.assertEqual('blah', downloader._authoritative_url())
