I have written a mock implementation (MockFoo
) of a slow/expensive dependency (ProdFoo
), that will see heavy use in the tests of several dependent components.
Unfortunately, MockFoo
isn't trivial, so I wrote some unit tests for it. However, I wrote those unit tests from my (potentially wrong) understanding of ProdFoo
behavior, so I have no certainty that these tests are an accurate reflection of ProdFoo
. So naturally, I would like to test my ProdFoo
with the same test suite, to ensure that MockFoo
accurately mocks ProdFoo
.
How can I do that in Swift? Is this approach even a good idea?