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  1. Disguise Driven Testing: Jest Mocks In Depth — Part 2

    Mocks are a great way of preventing AJAX calls in tests, but they can also help you isolate side effects and impurities that can create complicated tests.

    As you learned …

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  2. Disguise-Driven Testing: Jest Mocks in Depth

    Testing can be simple. In fact, it is simple. Well, it is simple until impurities slip in.

    Code that would be easy to test becomes a nightmare as soon as you get impure …

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