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title:
  - value: |
      Increasing test coverage with regression tests
created:
  - value: '2023-09-18T00:00:00+00:00'
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  - value: '2025-05-11T09:00:32+00:00'
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body:
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      <p>Automated test suites don't tell you everything works - they tell you what you've tested isn't broken.</p>

      <p>Having tests doesn't mean your code is bug-free. There could be edge cases or scenarios you haven't tested for that contain bugs, even though your test suite is passing.</p>

      <h2 id="what-do-we-do%3F">What do we do?</h2>

      <p>When you find a bug, try replicating it within an automated test before attempting to fix it.</p>

      <p>Once you have a failing test and can replicate the issue, go ahead and fix it.</p>

      <p>If the test passes, you know you've fixed the bug and solved the issue.</p>

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

      <p>Now you have this test, you cannot re-add the bug again without the test failing. You've prevented anyone from accidentally re-introducing it in the future and increased your test coverage.</p>

              
    format: full_html
    processed: |
      <p>Automated test suites don't tell you everything works - they tell you what you've tested isn't broken.</p>

      <p>Having tests doesn't mean your code is bug-free. There could be edge cases or scenarios you haven't tested for that contain bugs, even though your test suite is passing.</p>

      <h2 id="what-do-we-do%3F">What do we do?</h2>

      <p>When you find a bug, try replicating it within an automated test before attempting to fix it.</p>

      <p>Once you have a failing test and can replicate the issue, go ahead and fix it.</p>

      <p>If the test passes, you know you've fixed the bug and solved the issue.</p>

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

      <p>Now you have this test, you cannot re-add the bug again without the test failing. You've prevented anyone from accidentally re-introducing it in the future and increased your test coverage.</p>

              
    summary: null
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