Vue
Cypress provides two testing modes for Vue and Nuxt apps: component testing (mounts components in isolation inside a real browser) and E2E testing (drives a full running app). This guide covers both modes, with practical patterns for navigation, form testing, and API mocking with cy.intercept. Key Takeaways Component testing
Testing
Cypress component testing works across frameworks. React gets the most coverage in tutorials, but Vue 3 and Angular both have first-class support. This guide covers the setup, idiomatic patterns, and real-world considerations for each. Vue 3 Component Testing Setup npm install --save-dev cypress npx cypress open Copy
Vue
Pinia stores are plain JavaScript objects with reactivity — testing them does not require mounting a Vue component. This guide covers direct store unit tests, mocking stores in component tests, and testing async actions with side effects like API calls and notifications. Key Takeaways Test stores directly without mounting components. Call
Vue
Vue Test Utils is the official testing library for Vue 3 components, providing utilities to mount components in isolation and assert their behavior. This guide covers everything from basic mounting to advanced slot and prop testing patterns used in production Vue 3 projects. Key Takeaways Use mount for integration and
Vue
Histoire is a component story tool for Vue 3 (and experimentally Svelte).
Testing
The Vue 3 Composition API changed how we write Vue components — and it changed how we test them.
Testing
Pinia is the official state management library for Vue 3, and testing Pinia stores is straightforward once you understand the setup requirements.
Testing
@testing-library/vue applies Testing Library's core philosophy to Vue 3 component tests: query elements the way users find them, interact with the interface like a user would, and assert on visible outcomes rather than implementation details. This guide shows how to write Vue 3 component tests with
Internationalization
Vue applications using vue-i18n face a common testing problem: the i18n plugin must be configured and installed before any component that uses $t() or useI18n() can render. Without the right setup, tests fail with "inject() can only be used inside setup()" or "Cannot read properties of