import { SolarTerm } from '../../src/class/solarTerm'
import { parseDate } from '../../src/utils'

describe('test the Term class', () => {
  it('1901-02-04 立春', () => {
    expect(SolarTerm.findDate(1901, '立春')).toEqual([1901, 2, 4])
  })

  it('2022-02-04 立春', () => {
    expect(SolarTerm.findDate(2022, 2)).toEqual([2022, 2, 4])
  })

  it('2022-03-20 春分', () => {
    expect(SolarTerm.findDate(2022, '春分')).toEqual([2022, 3, 20])
  })

  it('2021-12-21 春分', () => {
    expect(SolarTerm.findDate(2021, '冬至')).toEqual([2021, 12, 21])
  })
})

describe('test Term findNode', () => {
  it('test', () => {
    expect(SolarTerm.findNode(parseDate('2022-07-24'), { nodeFlag: 1, returnValue: true })).toEqual(
      [new SolarTerm('大暑').valueOf(), parseDate('2022-07-23')]
    )
  })
  it('test2', () => {
    expect(SolarTerm.findNode(parseDate('2022-07-24'), { nodeFlag: 0, returnValue: true })).toEqual(
      [new SolarTerm('小暑').valueOf(), parseDate('2022-07-07')]
    )
  })

  it('test3', () => {
    expect(SolarTerm.findNode(parseDate('2022-1-1'), { nodeFlag: 0, returnValue: true })).toEqual([
      new SolarTerm('大雪').valueOf(),
      parseDate('2021-12-07')
    ])

    expect(SolarTerm.findNode(parseDate('2022-1-1'), { nodeFlag: 1, returnValue: true })).toEqual([
      new SolarTerm('冬至').valueOf(),
      parseDate('2021-12-21')
    ])

    expect(SolarTerm.findNode(parseDate('2022-1-1'), { nodeFlag: 2, returnValue: true })).toEqual([
      new SolarTerm('冬至').valueOf(),
      parseDate('2021-12-21')
    ])
  })
})