https://spaghetti-code.net/en/tags/testing/ Recent content in Testing on Spaghetti Code 🍝 https://spaghetti-code.net/images/og-default.png https://spaghetti-code.net/images/og-default.png Hugo -- 0.160.0 en Mon, 02 Nov 2026 00:00:00 +0000 https://spaghetti-code.net/en/posts/testing/test-doubles-explained/ Mon, 02 Nov 2026 00:00:00 +0000 https://spaghetti-code.net/en/posts/testing/test-doubles-explained/ Dummy, stub, spy, fake and mock: five test doubles that check different things. One Python class, tested all five ways, shows which to use in your next test. https://spaghetti-code.net/en/posts/testing/what-is-tdd/ Sun, 18 Oct 2026 00:00:00 +0000 https://spaghetti-code.net/en/posts/testing/what-is-tdd/ Test-driven development means writing a failing test before the code, making it pass, then cleaning up. The red-green-refactor cycle, with a full Python kata. https://spaghetti-code.net/en/posts/testing/unit-vs-integration-vs-end-to-end-tests/ Tue, 29 Sep 2026 00:00:00 +0000 https://spaghetti-code.net/en/posts/testing/unit-vs-integration-vs-end-to-end-tests/ Unit, integration, and end-to-end tests catch different bugs. One Flask sign-up tested at all three levels, with mocks vs fakes and why e2e tests go flaky.