test_hookenv.py 文件源码

def test_gets_related_units_empty_array(self, relation_id, check_output):
        relid = str(123)
        units = []
        relation_id.return_value = relid
        check_output.return_value = json.dumps(None).encode('UTF-8')

        result = hookenv.related_units()

        self.assertEqual(result, units)
        check_output.assert_called_with(['relation-list', '--format=json',
                                         '-r', relid])