
The Bug My Unit Tests Didn't Catch: An Infinite Loop in Mutation Testing
Who the hell writes a unit test for an infinite loop? Well, now that's me π When I started working...
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Who the hell writes a unit test for an infinite loop? Well, now that's me π When I started working...
In 2017 I wrote four tips to junior developers. Your application is never done. Don't judge other...
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Every worktree's test suite passed β but that didn't mean it had actually tested that worktree's...
A bug I thought I'd fixed a month earlier came back with a completely different root cause This is...
ν λ¬ μ μ κ³ μ³€λ€κ³ λ―Ώμ λ²κ·Έκ°, μμ ν λ€λ₯Έ μμΈμΌλ‘ λ€μ ν°μ‘μ΅λλ€ μ μλλ§€λ§€ μμ€ν μ ν루 μ€ μ ν΄μ§ μκ°μ μλμΌλ‘ λ§€λ§€ λΌμ΄λλ₯Ό λλλ€. κ·Έλ°λ° μ’ μ’ μ κ° μ§μ ...
ν΄νΌ ν¨μ€λ μλ°± κ° ν μ€νΈλ₯Ό ν΅κ³Όνλλ°, μ§μ§ μΉλͺ κ²°ν¨μ "μ€ν¨νμ λ λ νλΌ"λ μλ΄ λ¬Έκ΅¬ μμ μμλ€ λμ΄ μ€μ λ‘ μμ§μ΄λ κ²½λ‘λ₯Ό μ¬κ°(saga) ν¨ν΄μΌλ‘ λ€μ μ§°μ΅λλ€....
The happy path passed hundreds of tests β the real critical bug was hiding in the "what to do when it...
A test passed in isolation and only failed inside the full suite. The culprit was a monkeypatch in...
λ¨λ μΌλ‘ λ리면 ν΅κ³Όνκ³ μ 체 μ€μνΈμμλ§ μ€ν¨νλ ν μ€νΈ, λ²μΈμ λ€λ₯Έ νμΌμ λͺ½ν€ν¨μΉμμ΅λλ€ μ 체 νκ· ν μ€νΈλ₯Ό λ릴 λλ§λ€ νΉμ ν μ€νΈ νλκ° κ°λ μ€ν¨νμ΅λλ€. κ·Έλ°λ° κ·Έ...
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