What's new since QUnit 2.0? Step API, data providers, assert.propContains(), global hooks, and more.

Accessibility, a refined color palette, and various usability improvements.

QUnit 3 renders the UI significantly faster.

Introduce return values to assert.rejects() and assert.throws(), and support loading local reporter scripts.

Julia Evans (May 2, 2026) walks through running Vue component integration tests directly in the browser without using Node, showing a practical setup that exposes components on window._components and uses a mountComponent helper and QUnit to drive tests. She documents key implementation details and pain points — polling via a waitFor helper for async renders, needing to dispatch DOM events for form inputs, pragmatic use of CSS/test identifiers, and checking Chrome’s JS coverage on the bundled file — all with concrete snippets and tradeoffs. citeturn0view0

Introduce QUnit.config.testFilter to programmatically filter tests.