testcases.py 文件源码

def _databases_names(cls, include_mirrors=True):
        # If the test case has a multi_db=True flag, act on all databases,
        # including mirrors or not. Otherwise, just on the default DB.
        if getattr(cls, 'multi_db', False):
            return [alias for alias in connections
                    if include_mirrors or not connections[alias].settings_dict['TEST']['MIRROR']]
        else:
            return [DEFAULT_DB_ALIAS]