test_email.py 文件源码

def test_binary_body_with_encode_noop(self):
        # Issue 16564: This does not produce an RFC valid message, since to be
        # valid it should have a CTE of binary.  But the below works in
        # Python2, and is documented as working this way.
        bytesdata = b'\xfa\xfb\xfc\xfd\xfe\xff'
        msg = MIMEApplication(bytesdata, _encoder=encoders.encode_noop)
        # Treated as a string, this will be invalid code points.
        self.assertEqual(msg.get_payload(), '\uFFFD' * len(bytesdata))
        self.assertEqual(msg.get_payload(decode=True), bytesdata)
        s = BytesIO()
        g = BytesGenerator(s)
        g.flatten(msg)
        wireform = s.getvalue()
        msg2 = email.message_from_bytes(wireform)
        self.assertEqual(msg.get_payload(), '\uFFFD' * len(bytesdata))
        self.assertEqual(msg2.get_payload(decode=True), bytesdata)