Jest

Skill a5c-ai/babysitter/library/specializations/web-development/skills/jest

Babysitter enforces obedience on agentic workforces and enables them to manage extremely complex tasks and workflows through deterministic, hallucination-free self-orchestration

Install

npx -y skills add a5c-ai/babysitter --skill jest

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What its author says it does

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Jest configuration, mocking strategies, snapshot testing, and coverage.

SKILL.md

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Jest Skill

Expert assistance for testing with Jest.

Capabilities

Configure Jest for various frameworks
Implement mocking strategies
Write snapshot tests
Configure coverage
Handle async testing

Test Patterns

describe('UserService', () => {
  let service: UserService;
  let mockRepository: jest.Mocked<UserRepository>;

  beforeEach(() => {
    mockRepository = {
      findAll: jest.fn(),
      findById: jest.fn(),
      create: jest.fn(),
    };
    service = new UserService(mockRepository);
  });

  it('should return all users', async () => {
    mockRepository.findAll.mockResolvedValue([{ id: '1', name: 'John' }]);

    const result = await service.findAll();

    expect(result).toHaveLength(1);
    expect(mockRepository.findAll).toHaveBeenCalled();
  });
});

Target Processes