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import MockDate from 'mockdate'import moment from 'moment'import dayjs from '../../src'import calendar from '../../src/plugin/calendar'import zhCn from '../../src/locale/zh-cn'
dayjs.extend(calendar)
beforeEach(() => {  MockDate.set(new Date())})
afterEach(() => {  MockDate.reset()})
it('No argument && null && undefined', () => {  expect(dayjs().calendar()).toEqual(moment().calendar())  // moment@2.27.0 does not support calendar(null) calendar(undefined)})
it('ReferenceTime', () => {  const now = '2015-01-15T14:21:22.000Z'  const dates = [    {      name: 'nextDay',      date: '2015-01-14T11:23:55.000Z',      result: 'Tomorrow'    },    {      name: 'sameDay',      date: '2015-01-15T11:23:55.000Z',      result: 'Today'    },    {      name: 'nextWeek',      date: '2015-01-09T11:23:55.000Z',      result: 'Thursday'    },    {      name: 'lastDay',      date: '2015-01-16T11:23:55.000Z',      result: 'Yesterday'    },    {      name: 'lastWeek',      date: '2015-01-21T11:23:55.000Z',      result: 'Last'    },    {      name: 'sameElse',      date: '2015-01-01T11:23:55.000Z',      result: '01/15/2015'    },    {      name: 'sameElse',      date: '2015-02-21T11:23:55.000Z',      result: '01/15/2015'    }  ]  dates.forEach((d) => {    const dayjsResult = dayjs(now).calendar(d.date)    const momentjsResult = moment(now).calendar(d.date)    expect(dayjsResult)      .toEqual(momentjsResult)    expect(dayjsResult.indexOf(d.result) > -1)      .toBe(true)  })})
it('Custom format', () => {  const format = {    sameDay: '[sameDay]',    sameElse: '[sameElse]'  }  expect(dayjs().calendar(null, format)).toEqual(moment().calendar(null, format))  const now = '2015-01-15T14:21:22.000Z'  const nextDayWithoutFormat = '2015-01-14T11:23:55.000Z'  expect(dayjs(now).calendar(nextDayWithoutFormat, format))    .toEqual(moment(now).calendar(nextDayWithoutFormat, format))})
it('Custom callback', () => {  const callbacks = {    sameDay: jest.fn(),    sameElse: jest.fn()  }  const now = '2015-01-15T14:21:22.000Z'  const nextDayWithoutFormat = '2015-01-14T11:23:55.000Z'  expect(dayjs(now).calendar(nextDayWithoutFormat, callbacks))    .toEqual(moment(now).calendar(nextDayWithoutFormat, callbacks))})
it('Calls callback', () => {  const callbacks = {    sameDay: jest.fn(),    sameElse: jest.fn()  }  dayjs().calendar(null, callbacks)  expect(callbacks.sameElse).not.toBeCalled()  expect(callbacks.sameDay).toBeCalled()})
it('callback is a function with the scope of the current moment', () => {  const callbacks = {    sameDay: jest.fn()  }  expect(dayjs().calendar(null, callbacks)).toEqual(callbacks.sameDay())  const callbacks2 = {    sameDay: function cb() {      return this    }  }  const result = dayjs().calendar(null, callbacks2)  expect(result.format).not.toBeUndefined()  expect(dayjs.isDayjs(result)).toBeTruthy()})
it('callback is a function and first argument a moment that depicts now', () => {  const callbacks = {    sameDay: jest.fn()  }  const now = dayjs()  dayjs(now).calendar(now, callbacks)  expect(callbacks.sameDay).toBeCalledWith(now)})
it('set global calendar in locale file', () => {  const now = '2019-04-03T14:21:22.000Z'  zhCn.calendar = {    sameDay: '[今天]HH:mm',    nextDay: '[明天]HH:mm',    nextWeek: '[下]ddddHH:mm',    lastDay: '[昨天]HH:mm',    lastWeek: '[上]ddddHH:mm',    sameElse: 'YYYY/MM/DD'  }  dayjs.locale(zhCn)  expect(dayjs(now).calendar())    .toEqual(moment(now).locale('zh-cn').calendar())})