Error Management in a Use Case

Let’s learn about error management in use cases and internal systems.

Now that our implementation of requests and responses is complete, we can implement the final version of our use case. In our program, a proper validation of the incoming request for the room_list_use_case function is still missing. So, it doesn’t yet return a suitable response when something goes wrong.

Update test case

The test_room_list_without_parameters test must match the new API, so we add filters=None to assert_called_with in the code below:

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