vitest

Use when writing unit/integration tests for Vite projects - configure vitest.config.ts, write test suites with describe/it, create mock implementations with vi.fn and vi.mock, set up code coverage thresholds, and run tests in parallel

1.50x

Quality

100%

Does it follow best practices?

Impact

78%

1.50x

Average score across 3 eval scenarios

Securityby

Passed

No known issues

Evaluation results

90%

24%

Vitest Setup for a Vite + TypeScript Project

Vitest config and coverage setup

Criteria

Without context

With context

mergeConfig usage

100%

Correct import source

100%

globals enabled

100%

Node environment

100%

fileParallelism enabled

100%

Coverage provider

100%

Coverage reporters

100%

Coverage include filter

100%

Coverage thresholds

100%

Pool configured

100%

Coverage include sources

68%

-3%

Testing a Weather API Client with Mocked Dependencies

Module mocking patterns

Criteria

Without context

With context

vi.mock hoisted

100%

vi.hoisted usage

Partial mock with importOriginal

Spy-mode mock

30%

vi.doMock usage

100%

vi.stubEnv usage

100%

vi.mocked TypeScript helper

100%

Mock return values

100%

toHaveBeenCalledWith assertions

100%

vi.unstubAllEnvs cleanup

100%

76%

56%

Comprehensive Test Suite for an In-Memory Task Queue

Advanced test patterns and fixtures

Criteria

Without context

With context

test.for usage

No test.each

test.concurrent with context expect

83%

test.extend fixture

100%

Fixture teardown

100%

onTestFinished usage

100%

expect.soft usage

100%

expect.poll usage

100%

Fixture dependency injection

100%

Repository: onmax/nuxt-skills
Commit: 00fb59d

Evaluated: about 1 month ago
Agent: Claude Code
Model: Claude Sonnet 4.6

Table of Contents

Vitest Setup for a Vite + TypeScript Project Testing a Weather API Client with Mocked Dependencies Comprehensive Test Suite for an In-Memory Task Queue

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