> It sounds like you're making the mistake of thinking that TDD means writing th... | Hacker News

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heretoo on Feb 12, 2023 | parent | context | favorite | on: I gained a new appreciation for Test Driven Develo...

> It sounds like you're making the mistake of thinking that TDD means writing the tests first.

Actually, Kent Beck, who coined the term TDD, has the following to say in his book "Test Driven Development":

"In Test-Driven Development, we Write new code only if an automated test has failed"

This implies that in TDD the test is written first.

Regardless of any definition, test-first and test-last are just two ends of a scale we can use.

erik_seaberg on Feb 12, 2023 | [–]

He’s saying to write a test before its code, but don’t write all the tests before any code.

dmitriid on Feb 12, 2023 | [–]

He's also saying "I get paid for code that works, not for tests, so my philosophy is to test as little as possible to reach a given level of confidence..." https://stackoverflow.com/questions/153234/how-deep-are-your...

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