test_send_signals.py 文件源码

def test_pre_send(self):
        """Pre-send receivers invoked for each message, before sending"""
        @receiver(pre_send, weak=False)
        def handle_pre_send(sender, message, esp_name, **kwargs):
            self.assertEqual(self.get_send_count(), 0)  # not sent yet
            self.assertEqual(sender, TestEmailBackend)
            self.assertEqual(message, self.message)
            self.assertEqual(esp_name, "Test")  # the TestEmailBackend's ESP is named "Test"
            self.receiver_called = True
        self.addCleanup(pre_send.disconnect, receiver=handle_pre_send)

        self.receiver_called = False
        self.message.send()
        self.assertTrue(self.receiver_called)
        self.assertEqual(self.get_send_count(), 1)  # sent now