def test_returns_none_when_there_are_no_previous_good_builds(self):
with mock.patch('releases.Jenkins') as Jenkins:
job = mock.Mock()
job.get_last_good_build.return_value.get_revision.side_effect = NoBuildData
Jenkins.return_value.__getitem__.side_effect = lambda k: job
assert get_last_good_revision('url', 'job') is None
def test_gets_last_good_revision_from_jenkins(self):
with mock.patch('releases.Jenkins') as Jenkins:
job = mock.Mock()
job.get_last_good_build.return_value.get_revision.return_value = 'abcde'
Jenkins.return_value.__getitem__.side_effect = lambda k: job
assert get_last_good_revision('url', 'job') == 'abcde'