Configure Bun's test runner for Jest-compatible tests in JavaScript and TypeScript projects.
npx skills add https://github.com/involvex/skills --skill bun-test-involvex
Please help me install this Agent Skill. Skill: bun-test Source: https://github.com/involvex/skills/tree/main/skills/bun-test Command: npx skills add https://github.com/involvex/skills --skill bun-test-involvex
Configure and run Jest-compatible tests using Bun to dramatically reduce test execution time and simplify migration from Jest, eliminating slow local runs and long CI pipelines.
Run the project's tests with Bun using bunfig.toml for configuration and the tests/setup.ts preload file.
High-intent search queries and answers about installing and using this skill.
To migrate Jest tests to Bun, replace Jest imports and mocks with Bun's built-in test APIs, then update your bunfig.toml configuration and package.json scripts to run unit, integration, and snapshot tests 3-10x faster.
Yes, Bun's test runner supports module mocking, spies, and mock functions. You can configure code coverage reporting and thresholds using bunfig.toml alongside updated package.json scripts.
Configuring Bun's test runner for TypeScript involves creating a bunfig.toml file for settings and using a preload setup file like tests/setup.ts to initialize the test environment before execution.
Yes, you can use Bun to run Jest-compatible snapshot tests in CI pipelines. Updating package.json scripts to use bun test preserves existing snapshots while significantly reducing CI test stage execution time.
Yes, you need Bun 1.0 or higher to configure local and CI test suites. This version provides the built-in test runner, bunfig.toml configuration support, and preload setup required for execution.
Jest mocks may not work after migrating to Bun because they require replacement with Bun's specific test APIs and mock functions. You must update your preload setup and configuration to match Bun's syntax.
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