jest.setup.js

// Learn more: https://github.com/testing-library/jest-dom
import '@testing-library/jest-dom'

// Mock chrome API
global.chrome = {
  storage: {
    local: {
      get: jest.fn(),
      set: jest.fn(),
      remove: jest.fn(),
      clear: jest.fn()
    },
    sync: {
      get: jest.fn(),
      set: jest.fn(),
      remove: jest.fn(),
      clear: jest.fn()
    }
  },
  runtime: {
    id: 'test-extension-id',
    getManifest: jest.fn(() => ({
      version: '1.0.0'
    })),
    connect: jest.fn(),
    sendMessage: jest.fn(),
    onMessage: {
      addListener: jest.fn(),
      removeListener: jest.fn(),
      hasListener: jest.fn()
    },
    onConnect: {
      addListener: jest.fn(),
      removeListener: jest.fn(),
      hasListener: jest.fn()
    }
  }
}

// Mock window.crypto for UUID generation
Object.defineProperty(global, 'crypto', {
  value: {
    randomUUID: () => 'test-uuid'
  }
})

// Mock IntersectionObserver
class IntersectionObserver {
  constructor(callback, options) {}
  observe() {}
  unobserve() {}
  disconnect() {}
}

Object.defineProperty(global, 'IntersectionObserver', {
  value: IntersectionObserver
})

// Mock ResizeObserver
class ResizeObserver {
  constructor(callback) {}
  observe() {}
  unobserve() {}
  disconnect() {}
}

Object.defineProperty(global, 'ResizeObserver', {
  value: ResizeObserver
})

// Mock fetch
global.fetch = jest.fn()

// Mock window.matchMedia
Object.defineProperty(window, 'matchMedia', {
  writable: true,
  value: jest.fn().mockImplementation(query => ({
    matches: false,
    media: query,
    onchange: null,
    addListener: jest.fn(),
    removeListener: jest.fn(),
    addEventListener: jest.fn(),
    removeEventListener: jest.fn(),
    dispatchEvent: jest.fn(),
  })),
})

// Suppress console errors during tests
const originalError = console.error
beforeAll(() => {
  console.error = (...args) => {
    if (
      typeof args[0] === 'string' &&
      args[0].includes('Warning: ReactDOM.render is no longer supported')
    ) {
      return
    }
    originalError.call(console, ...args)
  }
})

afterAll(() => {
  console.error = originalError
})

// Clear all mocks after each test
afterEach(() => {
  jest.clearAllMocks()
})