How do you verify that your mock behaves exactly as the real database? The type ... | Hacker News

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		simplify on June 21, 2015 \| parent \| context \| favorite \| on: Testable IO in Haskell How do you verify that your mock behaves exactly as the real database? The type system certainly helps with function signatures, but what about behavior?

chadaustin on June 22, 2015 [–]

As with any fake implementation of a service, you definitely need coverage that verifies that the fake and real have the same behavior.

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