Discussion

The thing about TDD that took me years to understand: it is not about the tests. It is about the design pressure. Writing the test first forces you to consider the interface before the implementation. The tests are a nice side effect.

#Ruby #TDD

A red rectangle labelled "Test" with an arrow pointing to a larger teal rectangle labelled "Design", illustrating how tests shape design. Caption reads "The test shapes the design."

Remi Mercier

@remi@ruby.social · 4 hours ago

@purinkle Yes! And once you wrote a whole spec file to better define the structure, you light just as well convert these into tests.

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