Testing Next.js 15 Apps — The Setup I Actually Use

<blockquote> <p><strong>Read Time: ~14 minutes</strong> | Ship with confidence — because guessing is not a strategy</p> <p><strong>Prerequisites</strong>: React fundamentals,

<p>You wrote a React Router v7 route. It has a <code>loader</code>, an <code>action</code>, a form, some interactivity. Now you want to test it. The <a

<p>I spent this week building a YouTube pipeline UI — upload queue, analytics dashboard, search with metadata editing — inside a marketing platform that already has 5,000+ tests.

<h1> Why Separating QA Code from Dev Code in Your Monorepo is a Game-Changer for E2E Testing. </h1> <h2> The Pain Is Real </h2> <p>Friday, 2 PM. Your team just ran 500 E2E tests.

<p>Shifting from traditional application testing to serverless TypeScript engineering is all about shifting your perspective: <strong>you stop testing a running server, and you

<h2> The Playwright Playbook — Part 4: API Testing — The Underrated Superpower </h2> <blockquote> <p><em>"The best UI test is one that doesn't need the UI at all."</em></p>

<p>Mock Service Worker (MSW) intercepts network requests at the service worker level. No monkey-patching fetch. No test-specific HTTP clients. Your code doesn't know it's being