vitest

name	vitest
description	Vitest configuration, mocking, coverage, snapshot testing, and performance.
allowed-tools	Read, Write, Edit, Bash, Glob, Grep
graph	{"domains":["domain:web-development"],"specializations":["specialization:web-development"],"skillAreas":["skill-area:react-testing","skill-area:unit-testing"],"roles":["role:frontend-engineer","role:qa-engineer"],"topics":["topic:test-driven-development"]}

Vitest Skill

Expert assistance for unit and integration testing with Vitest.

Capabilities

• Configure Vitest for projects
• Write unit and integration tests
• Implement mocking strategies
• Configure coverage reporting
• Optimize test performance

Test Patterns

import { describe, it, expect, vi, beforeEach } from 'vitest';
import { render, screen } from '@testing-library/react';
import { UserService } from './user.service';

describe('UserService', () => {
   mockDb = { : { : vi.() } };

  ( {
    vi.();
  });

  (,  () => {
    mockDb...([{ : , :  }]);

     service =  (mockDb);
     users =  service.();

    (users).();
    (mockDb..).();
  });
});