Testing
Complete testing setup with Neon database branching, Playwright browser tests, integration tests, and unit tests. Isolated branches with automatic TTL cleanup.
Prerequisites
Complete these recipes first (in order):
Type-Safe Environment Configuration with better-env
Use better-env config modules for type-safe server/public env access, feature flags, and either-or credential constraints.
curl -H "Accept: text/markdown" https://fullstackrecipes.com/api/recipes/config-schema-setupNeon + Drizzle Setup
Connect a Next.js app to Neon Postgres using Drizzle ORM with optimized connection pooling for Vercel serverless functions.
curl -H "Accept: text/markdown" https://fullstackrecipes.com/api/recipes/neon-drizzle-setupCookbook - Complete These Recipes in Order
Neon Test Branches
Create isolated Neon database branches for testing. Schema-only branches with auto-cleanup via TTL, test server orchestration, and environment variable management.
curl -H "Accept: text/markdown" https://fullstackrecipes.com/api/recipes/neon-test-branchesUnit Tests with Bun
Configure unit testing with Bun's built-in test runner. Fast, Jest-compatible syntax, co-located test files, and mocking support.
curl -H "Accept: text/markdown" https://fullstackrecipes.com/api/recipes/unit-testsIntegration Tests
Test API routes by importing handlers directly with Bun's test runner. Fast, reliable tests without HTTP overhead.
curl -H "Accept: text/markdown" https://fullstackrecipes.com/api/recipes/integration-testsBrowser Tests with Playwright
End-to-end browser testing with Playwright. Test user interactions, form validation, navigation, and visual feedback with full browser automation.
curl -H "Accept: text/markdown" https://fullstackrecipes.com/api/recipes/playwright-testsWorking with Tests
Testing strategy and workflow. Tests run in parallel with isolated data per suite. Prioritize Playwright for UI, integration tests for APIs, unit tests for logic.
curl -H "Accept: text/markdown" https://fullstackrecipes.com/api/recipes/using-tests