oliverdavies.uk/content/node.ffa93a1b-f239-4c0a-9f34-50cd6532f353.yml

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title:
  - value: 'Automated tests mean you can make changes quicker'
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  - value: '2024-01-31T00:00:00+00:00'
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      <p>Before fixing <a href="/daily/2024/01/30/tdd-doesnt-mean-you-know-everything-upfront">yesterday's bug</a>, because I'd written automated tests, I ran them to ensure they were all passing.</p>

      <p>Then, I was able to focus solely on adding the new use case - starting with a failing test to replicate the issue and then getting it to pass.</p>

      <p>Because it was already tested, I didn't need to worry about breaking any other functionality and introducing regressions.</p>

      <p>When the new test was passing, I could run the whole test suite and ensure they still passed and things continued to work.</p>

      <p>Without the tests, I'd either need to check everything else manually (which takes time) or worry that something could potentially be broken.</p>

      <p>Having tests meant I could be confident that the new and existing functionality worked.</p>

              
    format: full_html
    processed: |
      <p>Before fixing <a href="/daily/2024/01/30/tdd-doesnt-mean-you-know-everything-upfront">yesterday's bug</a>, because I'd written automated tests, I ran them to ensure they were all passing.</p>

      <p>Then, I was able to focus solely on adding the new use case - starting with a failing test to replicate the issue and then getting it to pass.</p>

      <p>Because it was already tested, I didn't need to worry about breaking any other functionality and introducing regressions.</p>

      <p>When the new test was passing, I could run the whole test suite and ensure they still passed and things continued to work.</p>

      <p>Without the tests, I'd either need to check everything else manually (which takes time) or worry that something could potentially be broken.</p>

      <p>Having tests meant I could be confident that the new and existing functionality worked.</p>

              
    summary: null
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