vant/src/datetime-picker/test/datetime-picker.legacy.js

import DatetimePicker from '..';
import { mount } from '@vue/test-utils';

test('confirm & cancel event', () => {
  const onConfirm = jest.fn();
  const onCancel = jest.fn();

  const wrapper = mount(DatetimePicker, {
    listeners: {
      confirm: onConfirm,
      cancel: onCancel,
    },
  });

  wrapper.find('.van-picker__confirm').trigger('click');
  expect(onConfirm).toHaveBeenCalledTimes(1);

  wrapper.find('.van-picker__cancel').trigger('click');
  expect(onCancel).toHaveBeenCalledTimes(1);
});

test('time type', () => {
  const wrapper = mount(DatetimePicker, {
    props: {
      type: 'time',
      minHour: 22,
      minMinute: 58,
    },
  });

  expect(wrapper.html()).toMatchSnapshot();
});

test('getPicker method', () => {
  const wrapper = mount(DatetimePicker);
  expect(wrapper.vm.getPicker()).toBeTruthy();
});

test('should render title slot correctly', () => {
  const wrapper = mount(DatetimePicker, {
    propsData: {
      showToolbar: true,
    },
    scopedSlots: {
      title: () => 'Custom title',
    },
  });

  expect(wrapper.find('.van-picker__toolbar')).toMatchSnapshot();
});