oliverdavies.uk/content/node.d33e4704-c07e-421e-8227-f3f74e9f57ff.json

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    "title": [
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            "value": "How much refactoring should I be doing?\n"
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            "value": "\n          <p>I watched a webinar recently, and one of the panellists asked, \"How much refactoring should I be doing?\".<\/p>\n\n<p>The reply was, \"More than you're doing now.\".<\/p>\n\n<p>It was quite tongue-in-cheek, but I agree that, in general, code isn't refactored enough.<\/p>\n\n<p>One main reason is a fear of introducing regressions, and to avoid that, you need a good automated test suite.<\/p>\n\n<p>If you break the existing functionality whilst refactoring, you want the test suite to fail so you can identify and fix the regression.<\/p>\n\n<p>If the test suite passes, you can release the new code.<\/p>\n\n<p>How many tests and how much coverage do you need? There's no specfic answer - enough for you to be confident everything still works.<\/p>\n\n        ",
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            "processed": "\n          <p>I watched a webinar recently, and one of the panellists asked, \"How much refactoring should I be doing?\".<\/p>\n\n<p>The reply was, \"More than you're doing now.\".<\/p>\n\n<p>It was quite tongue-in-cheek, but I agree that, in general, code isn't refactored enough.<\/p>\n\n<p>One main reason is a fear of introducing regressions, and to avoid that, you need a good automated test suite.<\/p>\n\n<p>If you break the existing functionality whilst refactoring, you want the test suite to fail so you can identify and fix the regression.<\/p>\n\n<p>If the test suite passes, you can release the new code.<\/p>\n\n<p>How many tests and how much coverage do you need? There's no specfic answer - enough for you to be confident everything still works.<\/p>\n\n        ",
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