Why Is My Jest Suite So Slow?
Our team is a couple of months into developing a new application, and our suite of unit 240 tests takes 46 seconds to run. That duration is not excessive yet, but it’s increasing in proportion to the number of tests. In a couple of months, it’ll take a couple of minutes to run our tests. We were surprised by this, as Jest is known for its fast performance. However, while Jest reported that each te
Changelog: Cypress App | Cypress Documentation
15.0.0 Released 08/20/2025 Summary This release prepares Cypress Studio for the next era of AI-assisted test creation. You can record interactions, add assertions by right-clicking, and now edit tests inline without leaving Cypress. Turn on experimentalStudio in your config to try it out and share your feedback. Read more about the foundation for what's next in our blog post. Removed support for
Introduction (Guides) | Japa Documentation
A simple yet powerful testing framework for Node.js Japa comes with everything you need to test your backend applications. Be it writing JSON API tests using an Open API schema or writing browser tests using Playwright. Unlike other testing frameworks born out of the frontend ecosystem, Japa focuses only on testing backend applications and libraries. Therefore, Japa is simpler, faster, and bloatwa
jestでDBありのテストを高速化する
課題link お手伝いしているシステムでNestJSを採用しているバックエンドのテストが遅いという課題があったので対処した。 前提link フレームワークDBテストランナーその他 テストの総数は700弱。 最終結果link 最終的には2段階の改修を経てローカルのテストが3倍速程度高速化した。 # before Test Suites: 145 passed, 145 total Tests: 2 skipped, 681 passed, 683 total Snapshots: 0 total Time: 925.063 s Ran all test suites. Done in 926.48s. # ts-jestを@swc/jestに置き換えた Test Suites: 145 passed, 145 total Tests: 2 skipped, 681 passed, 683 t
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Release v29.5.0 · jestjs/jest
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