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Test-driven development, object-oriented design, and functional programming converge on some similar ideas.
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TDD purism belongs to the world of dynamic typing.
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Some ideas from functional programming can help us improve the unit tests for our object-oriented code.
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The thoughtbot team shares what Product Strategy ideas stood out to them from this years INDUSTRYconf.
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Learn how to write tests so they’re easy to read and your colleagues will thank you.
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We have just released Fishery, a TypeScript-compatible library for setting up JavaScript objects for use in tests and anywhere else you need to set up data.
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We can always make our test suite more DRY. But should we?
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When faking external services in tests, start with something simple. I like having a public interface to adapters and having an in-memory adapter for tests. Let me show you an example.
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Because who doesn’t like a good ole mystery?
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Mocking in Jest can be tricky. Mocking React Components in Jest with ES modules can be even tricker. Yet it’s still possible.