def test_incoming_message_translator_json_message_without_opcode_key_should_raise_error(
mock_observer):
i = IncomingMessageTranslator([mock_observer])
with pytest.raises(ValueError):
i.translate(
json.dumps({
'version': 1,
'application': ['myapp-key', 0],
'address': ['my-address', 0],
'payload': 'my-payload'
}))
def test_incoming_message_translator_incomprehensible_message_should_raise_error(
mock_observer):
i = IncomingMessageTranslator([mock_observer])
with pytest.raises(ValueError):
i.translate("utter garbage")
def test_incoming_message_translator_publication_should_send_publish_message(
mock_observer):
i = IncomingMessageTranslator([mock_observer])
i.translate(_create_json_message(Opcode.PUBLISH))
mock_observer.publish.assert_called()
def test_incoming_message_translator_publication_with_incorrect_version_should_be_ignored(
mock_observer):
i = IncomingMessageTranslator([mock_observer])
i.translate(
_create_json_message(Opcode.PUBLISH, Defaults.INBUS_VERSION + 1))
mock_observer.publish.assert_not_called()
def test_incoming_message_translator_cancellation_with_incorrect_version_should_be_ignored(
mock_observer):
i = IncomingMessageTranslator([mock_observer])
i.translate(
_create_json_message(Opcode.UNSUBSCRIBE, Defaults.INBUS_VERSION + 1))
mock_observer.unsubscribe.assert_not_called()
def test_incoming_message_translator_cancellation_should_send_unsubscribe_message(
mock_observer):
i = IncomingMessageTranslator([mock_observer])
i.translate(_create_json_message(Opcode.UNSUBSCRIBE))
mock_observer.unsubscribe.assert_called()
def test_incoming_message_translator_translating_incorrect_json_should_raise_error(
mock_observer):
i = IncomingMessageTranslator([mock_observer])
with pytest.raises(BaseException):
i.translate("this aint't JSON")
def test_incoming_message_translator_translating_empty_data_should_raise_error(
mock_observer):
i = IncomingMessageTranslator([mock_observer])
with pytest.raises(ValueError):
i.translate(None)
def test_incoming_message_translator_without_method_observer_should_raise_error(
):
with pytest.raises(AttributeError):
IncomingMessageTranslator(None)