oliverdavies.uk/content/node.cfb22ecc-4401-41bf-8ed5-4a9321601a17.json

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    "title": [
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            "value": "Good software is easy to test"
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            "value": "\n          <p>One piece of criteria for whether some software is good is whether it's easy to write automated tests for.<\/p>\n\n<p>I recently worked on a method that was more than 150 lines.<\/p>\n\n<p>It was difficult to understand, had too many responsibilities and didn't use dependency injection.<\/p>\n\n<p>This made it difficult to test.<\/p>\n\n<p>If it was split into several smaller methods or classes, each could be responsible for different aspects and have clear responsibilities.<\/p>\n\n<p>Each new method or class could have its own tests to verify its own functionality works.<\/p>\n\n<p>It would be easy to understand and identify and fix any issues.<\/p>\n\n<p>If dependency injection was used, things can be mocked or changed as needed to make the logic testable.<\/p>\n\n<p>If everything is in one large function, the code isn't testable.<\/p>\n\n<p>Even if it works now, it will be difficult to change in the future.<\/p>\n\n        ",
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            "processed": "\n          <p>One piece of criteria for whether some software is good is whether it's easy to write automated tests for.<\/p>\n\n<p>I recently worked on a method that was more than 150 lines.<\/p>\n\n<p>It was difficult to understand, had too many responsibilities and didn't use dependency injection.<\/p>\n\n<p>This made it difficult to test.<\/p>\n\n<p>If it was split into several smaller methods or classes, each could be responsible for different aspects and have clear responsibilities.<\/p>\n\n<p>Each new method or class could have its own tests to verify its own functionality works.<\/p>\n\n<p>It would be easy to understand and identify and fix any issues.<\/p>\n\n<p>If dependency injection was used, things can be mocked or changed as needed to make the logic testable.<\/p>\n\n<p>If everything is in one large function, the code isn't testable.<\/p>\n\n<p>Even if it works now, it will be difficult to change in the future.<\/p>\n\n        ",
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