So my 'aha' moment is a bit of an outlier, because I leaned to code using TDD! It's weird for me to think about writing code without there being some sort of expectation about what it's going to do - even if it's just 1 + 1 - I expect that to do something even as I write it.
Tests are those expectations written down, and TDD is writing those expectations first.
I'v written a lot of bad tests, too coupled, too slow, - I'm no expert, but I'll always try and write a test first.
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So my 'aha' moment is a bit of an outlier, because I leaned to code using TDD! It's weird for me to think about writing code without there being some sort of expectation about what it's going to do - even if it's just
1 + 1- I expect that to do something even as I write it.Tests are those expectations written down, and TDD is writing those expectations first.
I'v written a lot of bad tests, too coupled, too slow, - I'm no expert, but I'll always try and write a test first.