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import moment from 'moment'import MockDate from 'mockdate'import dayjs from '../../src'import weekOfYear from '../../src/plugin/weekOfYear'import advancedFormat from '../../src/plugin/advancedFormat'import '../../src/locale/en-gb'
dayjs.extend(advancedFormat)dayjs.extend(weekOfYear)
beforeEach(() => {  MockDate.set(new Date())})
afterEach(() => {  MockDate.reset()})
it('Week of year', () => {  dayjs.locale('en')
  const day = '2018-12-31T10:59:09+08:00'  const week = 27  expect(dayjs(day).week()).toBe(moment(day).week())  expect(dayjs().week()).toBe(moment().week())  expect(dayjs().week(week).week()).toBe(moment().week(week).week())  expect(dayjs().weeks(week).week()).toBe(moment().weeks(week).week())  expect(dayjs().weeks(-week).week()).toBe(moment().weeks(-week).week())  expect(dayjs().weeks(55).week()).toBe(moment().weeks(55).week())  expect(dayjs().weeks()).toBe(moment().weeks())})
it('Week of year with locale', () => {  dayjs.locale('en-gb')  moment.locale('en-gb')  const day = '2019-07-28'  expect(dayjs(day).week()).toBe(moment(day).week())})
describe('Week of year with locale edges', () => {  const testCases = [    '2018-12-30',    '2018-12-31',    '2019-12-29',    '2019-12-30',    '2016-01-01',    '2016-01-04'  ]  testCases.forEach((t) => {    it(`Edges ${t}`, () => {      expect(dayjs(t).week())        .toBe(moment(t).week())    })  })})
it('Format w ww wo', () => {  const day = '2019-07-28'  const D = dayjs(day)  const M = moment(day)  expect(D.format('w ww wo')).toBe(M.format('w ww wo'))})