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+---
+title: >
+  One test a day keeps bugs away
+pubDate: 2022-11-18
+permalink: >
+  archive/2022/11/18/one-test-a-day-keeps-bugs-away
+tags:
+  - testing
+---
+
+This is a quote from a presentation by Diego Aguiar at SymfonyCon that I saw from [a tweet from SymfonyCasts](https://twitter.com/SymfonyCasts/status/1593551105471938560?t=A8wnRUa0tLbb2q5qLhcQnA).
+
+I haven't seen the rest of the presentation, but I liked this quote and the idea of continuously improving a codebase using automated tests.
+
+The talk was titled "Advanced Test Driven Development" so I assume that it was focused on ensuring that new functionality also has accompanying tests but it could also apply to existing code.
+
+A lot of existing code that I've worked on wasn't covered by tests, so going back and writing tests for that code would be beneficial too - even if it's only one test a day. It would help to prevent and uncover existing bugs, enable the code to be refactored and changed without introducing regressions, and make the codebase more maintainable.
+
+Small changes over time add up.