Both unit and integration tests have their place. This talk was excellent in explaining it to me (with functional cores, imperative shells). Unit test functiona

Both unit and integration tests have their place. This talk was excellent in explaining it to me (with functional cores, imperative shells). Unit test functional cores, use integration tests for imperative shells: https://www.destroyallsoftware.com/talks/boundaries https://www.destroyallsoftware.com/talks/boundaries I am fan of Gary Bernhardt ever since viewing this talk.