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import MockDate from 'mockdate'import dayjs from '../../src'import devHelper from '../../src/plugin/devHelper'
dayjs.extend(devHelper)
beforeEach(() => {  MockDate.set(new Date())})
afterEach(() => {  MockDate.reset()})
global.console.warn = jest.genMockFunction()

it('Warning: passing Year as a Number will be parsed as a Unix timestamp', () => {  const consoleSpy = jest.spyOn(console, 'warn')  dayjs(2020)  expect(consoleSpy).toHaveBeenCalledWith('Guessing you may want to parse the Year 2020, you should pass it as a String 2020, not a Number. Otherwise, 2020 will be treated as a Unix timestamp')})
it('Warning Passing Unix timestamp as a String not Number', () => {  const consoleSpy = jest.spyOn(console, 'warn')  dayjs('1231231231231')  expect(consoleSpy).toHaveBeenCalledWith('To parse a Unix timestamp like 1231231231231, you should pass it as a Number. https://day.js.org/docs/en/parse/unix-timestamp-milliseconds')})
it('Warning Enable customParseFormat plugin while passing the second format parameter', () => {  const consoleSpy = jest.spyOn(console, 'warn')  dayjs('2020', 'YYYY')  expect(consoleSpy).toHaveBeenCalledWith('To parse a date-time string like 2020 using the given format, you should enable customParseFormat plugin first. https://day.js.org/docs/en/parse/string-format')})
it('Warning: Setting locale before loading locale', () => {  const consoleSpy = jest.spyOn(console, 'warn')  dayjs.locale('zh-cn')  expect(consoleSpy).toHaveBeenCalledWith('Guessing you may want to use locale zh-cn, you have to load it before using it. https://day.js.org/docs/en/i18n/loading-into-nodejs')})