testcases.py 文件源码

def _pre_setup(self):
        """Performs any pre-test setup. This includes:

        * Creating a test client.
        * If the class has a 'urls' attribute, replace ROOT_URLCONF with it.
        * Clearing the mail test outbox.
        """
        self.client = self.client_class()
        self._urlconf_setup()
        mail.outbox = []