def test_from_valid_json(self):
json = {"name": "a", "connected_users": 10}
message = Room.from_json(json)
self.assertEqual(message.get_name(), "a")
self.assertEqual(message.get_connected_users(), 10)
json = {"name": "a"}
message = Room.from_json(json)
self.assertEqual(message.get_name(), "a")
self.assertEqual(message.get_connected_users(), 0)
def test_from_invalid_json(self):
json = {"a": "a", "b": "b"}
message = Room.from_json(json)
self.assertEqual(message.get_name(), "")
self.assertEqual(message.get_connected_users(), 0)