def _stringificationTest(self, stringifier):
        domain = mail.mail.DomainWithDefaultDict({}, 'Default')
        self.assertIn(domain.__class__.__name__, stringifier(domain))
        domain['key'] = 'value'
        self.assertIn(str({'key': 'value'}), stringifier(domain))
Assert that the class name of a L{mail.mail.DomainWithDefaultDict}
dataset/ETHPy150Open kuri65536/python-for-android/python-modules/twisted/twisted/mail/test/test_mail.py/DomainWithDefaultsTestCase._stringificationTest