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mattsencenbaugh.com
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| | | TDD Tip: Invert your assertion One top tip I picked up years ago from a co-worker was to invert your assertions when you are in the midst of your TDD cycles. In other words, if you have an RSpec assertion like this: expect(foo.nil?).to be_truthy flip the truthy to falsey and run the test expect(foo.nil?).to be_falsey What you want to see there is that your test fails. In a 'true' TDD environment the test would be perfectly clean and no state would be acting on your subject, but that's just not how most test suites for production products work. | ||
