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title:
  - value: |
      Adding snapshot tests to Build Configs
created:
  - value: '2023-12-16T00:00:00+00:00'
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  - value: '2025-05-11T09:00:26+00:00'
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body:
  - value: |
      <p>This week, I've started to add snapshot tests to the <a href="https://www.oliverdavies.dev/build-configs">Build Configs project</a>.</p>

      <p>I had unit tests for the DTO validation to ensure the configuration was correct, but the main thing I wanted to test was I could run it for a given configuration file and get the expected files and contents to be generated.</p>

      <p>With snapshot tests, I generate the files for each configuration and compare them to a set that I know to be correct.</p>

      <p>If the files match, the tests pass, but, if they don't - such as a bug in the code, the tests will fail.</p>

      <p>This is the level that I want to be testing this project and that provides the most value.</p>

      <p>If a snapshot test fails, I can try to replicate the underlying issue in a unit test whilst also fixing the snapshot test.</p>

              
    format: full_html
    processed: |
      <p>This week, I've started to add snapshot tests to the <a href="https://www.oliverdavies.dev/build-configs">Build Configs project</a>.</p>

      <p>I had unit tests for the DTO validation to ensure the configuration was correct, but the main thing I wanted to test was I could run it for a given configuration file and get the expected files and contents to be generated.</p>

      <p>With snapshot tests, I generate the files for each configuration and compare them to a set that I know to be correct.</p>

      <p>If the files match, the tests pass, but, if they don't - such as a bug in the code, the tests will fail.</p>

      <p>This is the level that I want to be testing this project and that provides the most value.</p>

      <p>If a snapshot test fails, I can try to replicate the underlying issue in a unit test whilst also fixing the snapshot test.</p>

              
    summary: null
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