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Infrastructure as Code (IAC) Cookbook by Pierre Pomes, Stephane Jourdan

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Integration testing with ServerSpec

Integration testing comes after unit testing: we're now testing the actual functionality on a real black box system. We're probably using many cookbooks that are doing a lot of things, each unit tested in an early stage, but how are they playing together for real? Everything assembled together, intentions might match, but reality can be very different. Overrides might overlap, a forgotten recipe can change behavior, a service might not start and then changes will happen, regression can be introduced, or newer systems or updates can break; there are countless reasons why things can go wrong at a certain point on a real system. That's the reason we need integration testing; testing the outcome of the combination ...

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