ChuangHeng_new/tests/unit/welcomePageNavigation.spec.js

const {
  bindWelcomeButton,
  navigateToMiniProgramHome
} = require('../../public/assets/html/welcome-page-navigation')

describe('welcome page navigation', () => {
  test('relaunches the mini program home page', () => {
    const reLaunch = jest.fn()

    const started = navigateToMiniProgramHome({ reLaunch })

    expect(started).toBe(true)
    expect(reLaunch).toHaveBeenCalledWith(expect.objectContaining({
      url: '/pages/home'
    }))
  })

  test('reports a failure when the page is opened outside the mini program', () => {
    const onFailure = jest.fn()

    const started = navigateToMiniProgramHome(null, onFailure)

    expect(started).toBe(false)
    expect(onFailure).toHaveBeenCalledTimes(1)
  })

  test('prevents repeated taps while navigation is in progress', () => {
    const listeners = {}
    const button = {
      addEventListener: (event, listener) => { listeners[event] = listener },
      setAttribute: jest.fn(),
      removeAttribute: jest.fn()
    }
    const reLaunch = jest.fn()

    bindWelcomeButton(button, () => ({ reLaunch }))
    listeners.click({ preventDefault: jest.fn() })
    listeners.click({ preventDefault: jest.fn() })

    expect(reLaunch).toHaveBeenCalledTimes(1)
    expect(button.setAttribute).toHaveBeenCalledWith('aria-busy', 'true')
  })
})