Configure Bun's test runner with Jest-compatible APIs and mocking primitives.
npx skills add https://github.com/memoirlabs/mog --skill bun-test-memoirlabs
Please help me install this Agent Skill. Skill: bun-test Source: https://github.com/memoirlabs/mog/tree/main/.agents/skills/bun-test Command: npx skills add https://github.com/memoirlabs/mog --skill bun-test-memoirlabs
It solves the friction of configuring and migrating test infrastructure by showing how to use Bun’s built-in test runner with Jest-compatible APIs so you can write and run reliable unit, integration, and snapshot tests quickly.
Use case example: You’re migrating a TypeScript project from Jest to Bun and need equivalent unit tests, coverage gating, and mocks/spies to keep CI stable while reducing test runtime.
Configure Bun’s test runner by creating a bunfig.toml in your project root with coverage and a test preload file, then run bun test to validate your setup.
High-intent search queries and answers about installing and using this skill.
Migrate Jest tests to Bun by leveraging Bun’s test runner with Jest-compatible APIs, allowing familiar describe/test/expect syntax and matchers to run natively while reducing test runtime and removing setup friction.
Configure test coverage and preload files in Bun by creating a bunfig.toml file in your project root, defining the test section with specific preload settings, coverage thresholds, and timeouts to match your testing expectations.
Yes, you can isolate boundaries and side effects in Bun tests using built-in mocking primitives like mock() and spyOn() provided by bun:test, ensuring deterministic unit and integration test execution without external dependencies.
The Bun test runner supports writing unit, integration, API, snapshot, and async tests using Jest-compatible APIs and bun:test matchers, accelerating reliable test execution without requiring external testing frameworks.
No, you do not need Jest installed to write Jest-compatible tests in Bun, because Bun provides a built-in test runner with familiar describe/test/expect primitives and matchers natively through the bun:test module.
Speed up slow Jest execution in TypeScript projects by migrating to Bun’s built-in test runner, which removes setup time and accelerates reliable test execution while maintaining Jest-compatible APIs for existing tests.
DaleSeoInitialize Bun projects with TypeScript and standard configuration files.
mehdicGenerate comprehensive test coverage reports for Python, JavaScript, Go & Java projects.
coderEnforce standardized unit and integration test organization and execution with bun x jest.
attunehqConfigure Bun's test runner with Jest-compatible APIs and coverage reporting.
