def test_can_update_message_sender(self):
message = Message(
"memento mori", datetime(2011, 3, 1, 12, 34, 32), self.contact1
)
message.sender(self.contact2)
self.assertEqual(message._sender, self.contact2)
def test_new_sender_must_be_contact(self):
message = Message(
"memento mori", datetime(2011, 3, 1, 12, 34, 32), self.contact1
)
with self.assertRaises(TypeError):
message.sender(1000)
def test_message_sender(self):
message = Message(
"memento mori", datetime(2011, 3, 1, 12, 34, 32), self.contact1
)
self.assertIs(message._sender, message.sender())