oliverdavies.uk/content/node.759bb289-07cd-4103-bc90-107b7f13978d.json

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    "title": [
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            "value": "Don't use AI to write your automated tests"
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            "value": "\n          <p>In <a href=\"https:\/\/www.oliverdavies.uk\/daily\/2024\/05\/31\/putting-glue-on-pizza\">yesterday's email<\/a>, I mentioned some of the recent issues I've seen from AI tools.<\/p>\n\n<p>I'm wary of any code generated by AI, as I've often found it to be incorrect.<\/p>\n\n<p>If you rely on AI-generated code, I'd be especially wary if it also generates the automated tests.<\/p>\n\n<p>Automated tests verify your application works as expected, so you need to ensure they are testing the correct things and the logic is correct.<\/p>\n\n<p>Can you make a test purposely fail by changing some logic within the test or implementation code?<\/p>\n\n<p>Is it clear what each test is doing?<\/p>\n\n<p>Are the tests running the implementation code or just testing mocks or running meaningless assertions like <code>self::assertTrue(TRUE)<\/code>?<\/p>\n\n<p>Writing tests is about building confidence, which you can't do if you don't know what your tests are testing or how.<\/p>\n\n        ",
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            "processed": "\n          <p>In <a href=\"https:\/\/www.oliverdavies.uk\/daily\/2024\/05\/31\/putting-glue-on-pizza\">yesterday's email<\/a>, I mentioned some of the recent issues I've seen from AI tools.<\/p>\n\n<p>I'm wary of any code generated by AI, as I've often found it to be incorrect.<\/p>\n\n<p>If you rely on AI-generated code, I'd be especially wary if it also generates the automated tests.<\/p>\n\n<p>Automated tests verify your application works as expected, so you need to ensure they are testing the correct things and the logic is correct.<\/p>\n\n<p>Can you make a test purposely fail by changing some logic within the test or implementation code?<\/p>\n\n<p>Is it clear what each test is doing?<\/p>\n\n<p>Are the tests running the implementation code or just testing mocks or running meaningless assertions like <code>self::assertTrue(TRUE)<\/code>?<\/p>\n\n<p>Writing tests is about building confidence, which you can't do if you don't know what your tests are testing or how.<\/p>\n\n        ",
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