Guides tagged “vitest”
18 guides
Property-Based Testing in JavaScript 2026
Learn property-based testing with fast-check in JavaScript and TypeScript. Covers arbitraries, shrinking, Vitest integration, and real-world patterns.
fast-check · property-based-testing · testing
Vitest vs Jest: Speed Benchmarks 2026
Vitest vs Jest 2026: benchmark results across 10 real-world repos. Vitest is 3-8x faster on Vite projects. See full feature matrix and migration guide.
vitest · jest · testing
Vitest 3 vs Jest 30: Testing in 2026
Vitest 3 and Jest 30 compared: speed benchmarks, configuration, TypeScript support, browser mode, and a step-by-step migration guide for 2026 projects.
vitest · jest · testing
bun:test vs node:test vs Vitest 2026
bun:test vs node:test vs Vitest in 2026: runtime-native testing vs dedicated test frameworks, performance benchmarks, Jest compatibility, and zero-config setup.
testing · bun · vitest
Bun Test vs Vitest vs Jest Benchmarks 2026
Bun test vs Vitest vs Jest benchmark guide for 2026: speed tradeoffs, npm adoption, coverage, TypeScript support, migration caveats, and which runner to choose.
bun · vitest · jest
c8 vs nyc vs Istanbul 2026: c8 is 3–5× Faster — Which to Use?
c8 vs nyc vs Istanbul in 2026: V8 native coverage speed, source maps, TypeScript support, CI reporting, and which JavaScript coverage tool to choose.
testing · coverage · c8
happy-dom vs jsdom vs linkedom 2026
Compare happy-dom, jsdom, and linkedom for DOM simulation in JavaScript testing 2026. Speed benchmarks, compatibility, Vitest defaults, and when to use each.
testing · javascript · vitest
node:test vs Vitest vs Jest 2026
Node.js 20+ ships a built-in test runner. Is node:test ready to replace Vitest and Jest? Compare maturity, performance, features, and developer experience in.
testing · nodejs · vitest
tinybench vs mitata vs vitest bench 2026
Compare tinybench, mitata, and vitest bench for JavaScript benchmarking in 2026. Accuracy, statistical rigor, V8 deopt detection, and integration with test.
javascript · benchmarking · vitest
Vitest Browser Mode vs Playwright Component 2026
Vitest browser mode vs Playwright component testing vs WebdriverIO in 2026: real browser testing for components, configuration, DX comparison, and when to.
vitest · playwright · testing
The Consolidation of JavaScript Testing: How 2026
Vitest surpassed Jest for new projects in 2025. The data behind the shift, why Vite config sharing won, and what this consolidation means for testing.
vitest · jest · testing
happy-dom vs jsdom (2026): Which Is Faster for Vitest?
happy-dom runs 2-4x faster than jsdom in Vitest. See real benchmarks, DOM API compatibility gaps, and a migration checklist for switching test environments.
happy-dom · jsdom · vitest
How to Migrate from Jest to Vitest in 2026
Step-by-step guide to migrating your Jest test suite to Vitest in 2026. Config changes, API differences, and the gotchas that trip up most migrations.
vitest · jest · testing
The State of JavaScript Testing in 2026
Vitest, Playwright, and Testing Library dominate JavaScript testing in 2026. Download trends, adoption patterns, and the tools developers actually choose.
vitest · playwright · testing-library
Vitest + Jest + Playwright: Full Testing Stack 2026
The complete JavaScript testing stack in 2026: Vitest for unit testing, Playwright for E2E, Testing Library for React. Setup, config, and when to use each.
vitest · jest · playwright
Vitest vs Jest in 2026: Has Vitest Won?
Vitest has taken the JavaScript testing world by storm. With Jest still at 20M+ weekly downloads, is the old guard still relevant? A data-driven comparison.
vitest · jest · testing
Testing Compared: Vitest vs Jest vs Playwright 2026
Vitest, Jest, and Playwright: JavaScript testing tools compared — unit, integration, and E2E. Performance benchmarks, features, and when to use each Updated.
testing · vitest · jest
Best JavaScript Testing Frameworks Compared (2026)
Jest, Vitest, Playwright, and Cypress: JavaScript testing frameworks compared with real npm data. Which to use in 2026 and when Compare pricing and use cases.
testing · javascript · vitest
