miniprogram-setup/__tests__/pages/timer.test.ts

小程序支持 setup 选项

import simulate from 'miniprogram-simulate'
import { getPage } from '@tests/utils/getPage'

describe('Page: 使用定时器', () => {
  it('应该更新视图', async () => {
    const com = getPage('Timer')
    const container = document.createElement('div')
    com.attach(container)
    com.instance.onLoad()

    expect(com.dom!.innerHTML).toBe('<wx-view>0</wx-view>')

    await simulate.sleep(0)
    expect(com.dom!.innerHTML).toBe('<wx-view>1</wx-view>')

    await simulate.sleep(1000)
    expect(com.dom!.innerHTML).toBe('<wx-view>2</wx-view>')
  })
})