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title:
  - value: |
      Why I prefer integration tests to unit tests
created:
  - value: '2023-11-14T00:00:00+00:00'
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  - value: '2025-05-11T09:00:28+00:00'
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body:
  - value: |
      <p>With unit tests, you need to mock <strong>everything</strong>.</p>

      <p>If what you're testing has a dependency, you need to create and use a mock version.</p>

      <p>If the mock has its own dependencies, you need to mock those, too.</p>

      <p>I've written unit tests with mocks and accidentally only tested the mocks instead of the functionality I intended.</p>

      <h2 id="here%27s-the-thing">Here's the thing</h2>

      <p>With integration tests, you can use and test the real dependencies.</p>

      <p>Whilst they may be slightly slower to run, I prefer the simpler setup, less need for mocks, and knowing the real services work - not just the mocked versions.</p>

              
    format: full_html
    processed: |
      <p>With unit tests, you need to mock <strong>everything</strong>.</p>

      <p>If what you're testing has a dependency, you need to create and use a mock version.</p>

      <p>If the mock has its own dependencies, you need to mock those, too.</p>

      <p>I've written unit tests with mocks and accidentally only tested the mocks instead of the functionality I intended.</p>

      <h2 id="here%27s-the-thing">Here's the thing</h2>

      <p>With integration tests, you can use and test the real dependencies.</p>

      <p>Whilst they may be slightly slower to run, I prefer the simpler setup, less need for mocks, and knowing the real services work - not just the mocked versions.</p>

              
    summary: null
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