Bun Test Configuration

Set up Bun's built-in test runner with Jest-compatible APIs and significantly faster execution (3-10x faster than Jest).

Quick Reference

For detailed patterns, see:

• Jest Migration: jest-migration.md - Complete Jest to Bun migration guide
• Mocking: mocking.md - Mock functions, spies, module mocking
• Examples: examples.md - Test patterns for APIs, databases, async code

Core Workflow

1. Check Prerequisites

# Verify Bun installation
bun --version