Blog: the code whisperer (J. B. Rainsberger) |
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210 blogs
updated: 587 min. ago
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A reader asked me this question: I've always wondered how does the basic flow of red, green, refactor reconcile with the concept of "make th...
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Refactoring, the activity, involves the following things. improving the design of existing code in a sequence of small transformations that ...
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You don't hate mocks; you hate side-effects. When a mock annoys you, it realizes its purpose, showing you where a side-effect is getting in ...
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When I teach evolutionary design, participants still often ask me which tools they ought to use to introduce test doubles into their project...
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If you add a port in Elm code, then you need to use that port in your Elm code, otherwise the generated Javascript might not even know that ...
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How do object hierarchies evolve? Many programmers struggle with this question. Mostly, they want to know how object hierarchies can evolve ...
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In 2014 I read an article with the provocative title "Mockists are Dead. Long live Classicists.". In it, the author frames mock objects (I a...
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A recent tweet caught my attention. The drawback of 'contract' as a metaphor is that it leads to discussion as to whether a party is right (...
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I recently had this problem: I was writing some tests with Spock, but IntelliJ IDEA wouldn't run them. It would run my JUnit tests (written ...
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Doing (test && commit) || revert amounts to doing TDD very carefully, as an tude. If you already routinely take tiny steps, then you already...
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