hosting-frontend/__tests__/setup.ts

import '@testing-library/jest-dom'

// Mock environment variables
process.env.NEXT_PUBLIC_API_URL = 'http://localhost:8000/api'

// Mock Next.js router
jest.mock('next/router', () => ({
  useRouter() {
    return {
      route: '/',
      pathname: '/',
      query: {},
      asPath: '/',
      push: jest.fn(),
      replace: jest.fn(),
      reload: jest.fn(),
      back: jest.fn(),
      prefetch: jest.fn().mockResolvedValue(undefined),
      beforePopState: jest.fn(),
      events: {
        on: jest.fn(),
        off: jest.fn(),
        emit: jest.fn(),
      },
      isFallback: false,
    }
  },
}))

// Mock Next.js navigation (for App Router)
jest.mock('next/navigation', () => ({
  useRouter() {
    return {
      push: jest.fn(),
      replace: jest.fn(),
      prefetch: jest.fn(),
      forward: jest.fn(),
      back: jest.fn(),
      refresh: jest.fn(),
    }
  },
  usePathname() {
    return '/'
  },
  useSearchParams() {
    return new URLSearchParams()
  },
  useParams() {
    return {}
  },
}))

// Suppress console errors in tests unless explicitly needed
const originalError = console.error
beforeAll(() => {
  console.error = jest.fn((...args) => {
    if (
      typeof args[0] === 'string' &&
      (args[0].includes('Warning: ReactDOM.render') ||
        args[0].includes('Not implemented: HTMLFormElement.prototype.submit') ||
        args[0].includes('Not implemented: HTMLFormElement.prototype.requestSubmit'))
    ) {
      return
    }
    originalError.call(console, ...args)
  })
})

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

// Global test utilities
global.fetch = jest.fn(() =>
  Promise.resolve({
    ok: true,
    status: 200,
    json: () => Promise.resolve({}),
  })
) as jest.Mock