Method test_become_message

Lib/test/test_mailbox.py:1620–1625

(self)

                '{} attribute does not exist'.format(attr))

    def test_become_message(self):
        # Take on the state of another message
        eMM = email.message_from_string(_sample_message)
        msg = self._factory()
        msg._become_message(eMM)
        self._check_sample(msg)

    def test_explain_to(self):
        # Copy self's format-specific data to other message formats.