def test_can_make_message_with_existing_contact(self):
contact1 = Mock(Contact)
contact1.name.return_value = "Justin Powers"
contact2 = Mock(Contact)
contact2.name.return_value = "Lydia Powers"
json = {
"text": "message text",
"timestamp": "2009-05-23 12:12:01",
"sender": {"name": "Justin Powers", "tags": ["tag1", "tag2"]}
}
Contact.all_contacts = set([contact1, contact2])
message = Message.from_json(json)
self.assertEqual(message._text, "message text")
self.assertEqual(message._timestamp, datetime(2009, 5, 23, 12, 12, 1))
self.assertIs(message._sender, contact1)
def test_json_to_message_requires_text_key(self):
with self.assertRaises(ValueError):
Message.from_json({"wrong": "txt", "timestamp": "", "sender": ""})
def test_json_to_message_requires_dict(self):
with self.assertRaises(TypeError):
Message.from_json("some string")
def test_json_to_message_requires_sender_key(self):
with self.assertRaises(ValueError):
Message.from_json({"text": "txt", "timestamp": "", "wrong": ""})