chenhaodong / mew-iview

  import { createVue, destroyVM, stringToDate, dateToString, promissedTick } from '../util';

  
  describe('DatePicker.vue', () => {
    let vm;
    afterEach(() => {
      destroyVM(vm);
    });
  
    it('should create a DatePicker component and open the calendar with the current month', done => {
      vm = createVue(`
        <Date-Picker></Date-Picker>
      `);
      const picker = vm.$children[0];

      picker.$el.querySelector('input.ivu-input').focus();

      vm.$nextTick(() => {
        const calendarBody = vm.$el.querySelector('.ivu-picker-panel-body .ivu-date-picker-cells:first-of-type');
        const calendarCells = [...calendarBody.querySelectorAll('.ivu-date-picker-cells-cell')].filter(el => {
          const prevMonth = el.classList.contains('ivu-date-picker-cells-cell-prev-month');
          const nextMonth = el.classList.contains('ivu-date-picker-cells-cell-next-month');
          return !prevMonth && !nextMonth;
        });
        const today = new Date();

        const daysInCurrentMonth = new Date(today.getFullYear(), today.getMonth(), 0).getDate();

        expect(daysInCurrentMonth).to.equal(calendarCells.length);
        done();
      });
    });

  
    it('should create a DatePicker component of type="datetimerange"', done => {
      vm = createVue(`
        <Date-Picker type="datetimerange"></Date-Picker>
      `);
      const picker = vm.$children[0];
      expect(picker.$children.length).to.equal(2);

      expect(Array.isArray(picker.internalValue)).to.equal(true);

      done();
    });
  
    it('should create a datetimerange component and pick 2 dates in the current month', done => {
      vm = createVue(`
        <Date-picker type="datetimerange"></Date-picker>
      `);
  
      const picker = vm.$children[0];
      picker.handleIconClick();
      vm.$nextTick(() => {
        const displayField = vm.$el.querySelector('.ivu-input');
        const clickableCells = vm.$el.querySelectorAll('.ivu-date-picker-cells-cell');
        const lastMonthClass = 'ivu-date-picker-cells-cell-prev-month';
        const firstDayInMonthIndex = [...clickableCells].findIndex(cell => !cell.classList.contains(lastMonthClass));
  
        clickableCells[firstDayInMonthIndex].firstElementChild.click();
        vm.$nextTick(() => {
          clickableCells[firstDayInMonthIndex + 4].firstElementChild.click();
          vm.$nextTick(() => {
            const dayOne = new Date();
            dayOne.setDate(1);
            dayOne.setHours(0, 0, 0, 0);
            const dayFive = new Date(dayOne.getTime());
            dayFive.setDate(5);
            dayFive.setHours(0, 0, 0, 0);
  
            // check pickers internal value

            const [startInternalValue, endInternalValue] = picker.internalValue; // Date Objects

            expect(Math.abs(dayOne - startInternalValue)).to.equal(0);
            expect(Math.abs(dayFive - endInternalValue)).to.equal(0);
  

            /*
                      const [startInternalValue, endInternalValue] = picker.internalValue; // Date Objects
            expect(dateToString(dayOne)).to.equal(dateToString(startInternalValue));
            expect(dateToString(dayFive)).to.equal(dateToString(endInternalValue));
  
             */
  

            // check pickers display value
            const [startDisplayValue, endDisplayValue] = displayField.value.split(' - ').map(stringToDate); // Date Objects
            expect(Math.abs(dayOne - startDisplayValue)).to.equal(0);
            expect(Math.abs(dayFive - endDisplayValue)).to.equal(0);
  
            done();
          });
        });
      });
    });
  

    it('should change type progamatically', done => {

      // https://jsfiddle.net/hq7cLz83/

      vm = createVue({
        template: '<Date-picker :type="dateType"></Date-picker>',
        data() {
          return {
            dateType: 'month'
          };
        }
      });
  
      const picker = vm.$children[0];
      picker.handleIconClick();
      vm.$nextTick(() => {
        const panel = vm.$el.querySelector('.ivu-picker-panel-content');
        const dayPanel = panel.querySelector('[class="ivu-date-picker-cells"]');
        const monthPanel = panel.querySelector('.ivu-date-picker-cells-month');
        const yearPanel = panel.querySelector('.ivu-date-picker-cells-year');
  

        expect(dayPanel).to.equal(null);

        expect(monthPanel.style.display).to.equal('');

        expect(yearPanel).to.equal(null);

  
        expect(picker.type).to.equal('month');
        expect(picker.selectionMode).to.equal('month');
  
        vm.dateType = 'year';
        promissedTick(picker)

          .then(() => {

            const yearPanel = panel.querySelector('.ivu-date-picker-cells-year');
            const monthPanel = panel.querySelector('.ivu-date-picker-cells-month');
            expect(yearPanel.style.display).to.equal('');
            expect(monthPanel).to.equal(null);
  

            expect(picker.type).to.equal('year');
            expect(picker.selectionMode).to.equal('year');
  
            vm.dateType = 'date';
            return promissedTick(picker);
          })
          .then(() => {
            expect(picker.type).to.equal('date');

            expect(picker.selectionMode).to.equal('date');

  
            done();

          }).catch(err => console.log(err));

      });
    });
  

    it('should fire `on-change` when reseting value', done => {
      const now = new Date();
      const nowDate = [now.getFullYear(), now.getMonth() + 1, now.getDate()].map(nr => (nr > 9 ? nr : '0' + nr)).join('-');

      let onChangeCalled = false;

      vm = createVue({

        template: '<date-picker :value="date" type="date" @on-change="onChange"></date-picker>',

        data(){
          return { date: now };
        },
        methods: {

          onChange() {
            onChangeCalled = true;

          }
        }
      });
  
      vm.$nextTick(() => {
        const picker = vm.$children[0];
        const displayField = vm.$el.querySelector('.ivu-input');
        expect(displayField.value).to.equal(nowDate);
  
        picker.showClose = true; // to simulate mouseenter in the Input
        picker.handleIconClick(); // reset the input value
        vm.$nextTick(() => {

          expect(onChangeCalled).to.equal(true);

          expect(displayField.value).to.equal('');
          done();
        });
      });
    });
  

    it('should have same behavior after a reset as before the reset', done => {
      vm = createVue(`
        <Date-picker type="datetimerange"></Date-picker>
      `);
  
      const picker = vm.$children[0];
      picker.handleIconClick();
      vm.$nextTick(() => {
        const displayField = vm.$el.querySelector('.ivu-input');
        const clickableCells = vm.$el.querySelectorAll('.ivu-date-picker-cells-cell');
        const lastMonthClass = 'ivu-date-picker-cells-cell-prev-month';
        const firstDayInMonthIndex = [...clickableCells].findIndex(cell => !cell.classList.contains(lastMonthClass));
  
        // choose first date
        clickableCells[firstDayInMonthIndex].firstElementChild.click();
        vm.$nextTick(() => {
          // choose second date
          clickableCells[firstDayInMonthIndex + 4].firstElementChild.click();
          vm.$nextTick(() => {
            // cache first values

            const [startInternalValue, endInternalValue] = picker.internalValue; // Date Objects

            const [startDisplayValue, endDisplayValue] = displayField.value.split(' - ').map(stringToDate); // Date Objects
  
            // clear picker
            picker.handleClear();
            vm.$nextTick(() => {
              // it should be closed by now
              expect(picker.visible).to.equal(false);
              // open picker again
              picker.handleIconClick();
  
              vm.$nextTick(() => {
                expect(picker.visible).to.equal(true);

                expect(JSON.stringify(picker.internalValue)).to.equal('[null,null]');

                expect(displayField.value).to.equal('');
  
                clickableCells[firstDayInMonthIndex].firstElementChild.click();
                vm.$nextTick(() => {
                  clickableCells[firstDayInMonthIndex + 4].firstElementChild.click();
                  vm.$nextTick(() => {
                    // recheck internal values

                    expect(Math.abs(picker.internalValue[0] - startInternalValue)).to.equal(0);
                    expect(Math.abs(picker.internalValue[1] - endInternalValue)).to.equal(0);

                    // recheck display value
                    const [_startDisplayValue, _endDisplayValue] = displayField.value.split(' - ').map(stringToDate); // Date Objects
                    expect(Math.abs(_startDisplayValue - startDisplayValue)).to.equal(0);
                    expect(Math.abs(_endDisplayValue - endDisplayValue)).to.equal(0);
  
                    done();
                  });
                });
              });
            });
          });
        });
      });
    });

  
    it('should accept a empty string as input v-model value', done => {
      vm = createVue({
        template: '<date-picker v-model="value" type="date"></date-picker>',
        data(){
          return {value: ''};
        }
      });
  
      vm.$nextTick(() => {
        expect(vm.value).to.equal('');
        done();
      });
    });
  

    it('should convert strings to Date objects', done => {
      vm = createVue({
        template: `
          <div>
            <date-picker v-model="value1" type="daterange" style="width: 200px"></date-picker>
            <date-picker v-model="value2" type="daterange" placement="bottom-end" style="width: 200px"></date-picker>
            <date-picker v-model="value3" type="datetime" placement="bottom-end" style="width: 200px"></date-picker>
            <date-picker v-model="value4" type="datetimerange" placement="bottom-end" style="width: 200px"></date-picker>
          </div>
        `,
        data() {
          return {
            value1: ['2017-10-10', '2017-10-20'],
            value2: [new Date(), new Date()],
            value3: '2017-10-10 10:00:00',
            value4: ['2027-10-10 10:00:00', '2027-10-20 10:00:00']
          };
        }
      });
  
      vm.$nextTick(() => {
        const {value1, value2, value3, value4} = vm;
  
        expect(value1[0] instanceof Date).to.equal(true);
        expect(value1[1] instanceof Date).to.equal(true);
        expect(value1.map(dateToString).join('|')).to.equal('2017-10-10|2017-10-20');
  
        expect(value2[0] instanceof Date).to.equal(true);
        expect(value2[1] instanceof Date).to.equal(true);
        expect(value2.map(dateToString).join('|')).to.equal([new Date(), new Date()].map(dateToString).join('|'));
  
        expect(dateToString(vm.value3)).to.equal('2017-10-10');
  
        expect(value4[0] instanceof Date).to.equal(true);
        expect(value4[1] instanceof Date).to.equal(true);
        expect(value4.map(dateToString).join('|')).to.equal('2027-10-10|2027-10-20');
        done();
      });
    });
  

    it('should render date-picker label correctly in zh-CN', done => {
      vm = createVue(`
        <Date-picker type="date"></Date-picker>
      `);
  
      const picker = vm.$children[0];
      picker.handleIconClick();
      vm.$nextTick(() => {
        const now = new Date();
        const labels = vm.$el.querySelectorAll('.ivu-picker-panel-body .ivu-date-picker-header-label');
        const labelText = [...labels].map(el => el.textContent).join(' ');
        expect(labelText).to.equal([now.getFullYear() + '年', now.getMonth() + 1 + '月'].join(' '));
        done();
      });
    });
  
    it('Should format labels correctly', done => {
      const formater = require('../../../src/components/date-picker/util').formatDateLabels;
      const expectedResults = require('./assets/locale-expects.js').default;
      const locales = [
        'de-DE', 'en-US', 'es-ES', 'fr-FR', 'id-ID', 'ja-JP', 'ko-KR', 'pt-BR',
        'pt-PT', 'ru-RU', 'sv-SE', 'tr-TR', 'vi-VN', 'zh-CN', 'zh-TW'
      ].reduce((obj, locale) => {
        obj[locale] = require('../../../src/locale/lang/' + locale).default;
        return obj;
      }, {});
      const testDate = new Date(2030, 9); // October 2030
  
      Object.keys(locales).forEach(locale => {
        const format = locales[locale].i.datepicker.datePanelLabel;
        const f = formater(locale, format, testDate);
        const labelText = f.labels.map(obj => obj.label).join(f.separator);
        expect(labelText).to.equal(expectedResults[locale]);
      });
      expect(Object.keys(locales).length > 0).to.equal(true);
      done();
    });

  });