Function test_request_response

tests/tests/test_timeline.py:155–239

(make_timeline, outcome)

@pytest.mark.parametrize("outcome", ["success", "failure"])
def test_request_response(make_timeline, outcome):
    timeline, initial_history = make_timeline()
    messages = MessageFactory()

    request_msg = messages.request("next", {"threadId": 3})
    request_exp = expectation_of(request_msg)
    request = timeline.record_request(request_msg)

    assert request == request_exp
    assert request.command == request_msg.command
    assert request.arguments == request_msg.arguments
    assert request.circumstances == (
        "request",
        request_msg.command,
        request_msg.arguments,
    )

    with timeline.frozen():
        assert timeline.last is request
        assert timeline.history() == initial_history + [some.object.same_as(request)]
        timeline.expect_realized(request_exp)
        timeline.expect_realized(Request("next"))

    response_msg = messages.response(
        request_msg, {} if outcome == "success" else Exception("error!")
    )
    response = timeline.record_response(request, response_msg)
    assert response.request is request
    assert response.body == response_msg.body
    if outcome == "success":
        assert response.success
    else:
        assert not response.success
    assert response.circumstances == ("response", request, response_msg.body)

    assert response == Response(request, response_msg.body)
    assert response == Response(request, some.object)
    assert response == Response(request)

    if outcome == "success":
        assert response == Response(request, some.dict)
        assert response != Response(request, some.error)
    else:
        assert response != Response(request, some.dict)
        assert response == Response(request, some.error)

    assert response == Response(request_exp, response_msg.body)
    assert response == Response(request_exp, some.object)
    assert response == Response(request_exp)

    if outcome == "success":
        assert response == Response(request_exp, some.dict)
        assert response != Response(request_exp, some.error)
    else:
        assert response != Response(request_exp, some.dict)
        assert response == Response(request_exp, some.error)

    with timeline.frozen():