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title:
  - value: 'Good software is easy to test'
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  - value: '2025-02-03T00:00:00+00:00'
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body:
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      <p>One piece of criteria for whether some software is good is whether it's easy to write automated tests for.</p>

      <p>I recently worked on a method that was more than 150 lines.</p>

      <p>It was difficult to understand, had too many responsibilities and didn't use dependency injection.</p>

      <p>This made it difficult to test.</p>

      <p>If it was split into several smaller methods or classes, each could be responsible for different aspects and have clear responsibilities.</p>

      <p>Each new method or class could have its own tests to verify its own functionality works.</p>

      <p>It would be easy to understand and identify and fix any issues.</p>

      <p>If dependency injection was used, things can be mocked or changed as needed to make the logic testable.</p>

      <p>If everything is in one large function, the code isn't testable.</p>

      <p>Even if it works now, it will be difficult to change in the future.</p>

              
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    processed: |
      <p>One piece of criteria for whether some software is good is whether it's easy to write automated tests for.</p>

      <p>I recently worked on a method that was more than 150 lines.</p>

      <p>It was difficult to understand, had too many responsibilities and didn't use dependency injection.</p>

      <p>This made it difficult to test.</p>

      <p>If it was split into several smaller methods or classes, each could be responsible for different aspects and have clear responsibilities.</p>

      <p>Each new method or class could have its own tests to verify its own functionality works.</p>

      <p>It would be easy to understand and identify and fix any issues.</p>

      <p>If dependency injection was used, things can be mocked or changed as needed to make the logic testable.</p>

      <p>If everything is in one large function, the code isn't testable.</p>

      <p>Even if it works now, it will be difficult to change in the future.</p>

              
    summary: null
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