vant/src/tree-select/test/index.spec.js

import Vue from 'vue';
import TreeSelect from '..';
import { mount } from '../../../test/utils';

Vue.use(TreeSelect);

test('empty list', () => {
  expect(mount(TreeSelect)).toMatchSnapshot();
});

const mockItem = {
  text: 'city1',
  id: 1
};

const mockItem2 = {
  text: 'city2',
  id: 2
};

const mockItems = [
  {
    text: 'group1',
    children: [mockItem]
  }
];

test('click-nav event', () => {
  const onNavClick = jest.fn();
  const onClickNav = jest.fn();

  const wrapper = mount(TreeSelect, {
    propsData: {
      items: mockItems
    },
    context: {
      on: {
        navclick: onNavClick,
        'click-nav': onClickNav
      }
    }
  });

  const navItems = wrapper.findAll('.van-tree-select__nav-item');
  navItems.at(0).trigger('click');

  expect(onNavClick).toHaveBeenCalledWith(0);
  expect(onClickNav).toHaveBeenCalledWith(0);
});

test('click-item event', () => {
  const onItemClick = jest.fn();
  const onClickItem = jest.fn();

  const wrapper = mount(TreeSelect, {
    propsData: {
      items: mockItems
    },
    context: {
      on: {
        itemclick: onItemClick,
        'click-item': onClickItem
      }
    }
  });

  const items = wrapper.findAll('.van-tree-select__item');
  items.at(0).trigger('click');
  expect(onItemClick).toHaveBeenCalledWith(mockItem);
  expect(onClickItem).toHaveBeenCalledWith(mockItem);
});

test('click disabled nav', () => {
  const onClickNav = jest.fn();

  const wrapper = mount(TreeSelect, {
    propsData: {
      items: [
        {
          text: 'group1',
          children: [mockItem],
          disabled: true
        }
      ]
    },
    context: {
      on: {
        'click-nav': onClickNav
      }
    }
  });

  const items = wrapper.findAll('.van-tree-select__nav-item');
  items.at(0).trigger('click');
  expect(onClickNav).toHaveBeenCalledTimes(0);
});

test('click disabled item', () => {
  const onClickItem = jest.fn();
  const wrapper = mount(TreeSelect, {
    propsData: {
      items: [
        {
          text: 'group1',
          children: [
            {
              ...mockItem,
              disabled: true
            }
          ]
        }
      ]
    },
    context: {
      on: {
        'click-item': onClickItem
      }
    }
  });

  const items = wrapper.findAll('.van-tree-select__item');
  items.at(0).trigger('click');
  expect(onClickItem).toHaveBeenCalledTimes(0);
});

test('content slot', () => {
  const wrapper = mount(TreeSelect, {
    propsData: {
      items: [
        {
          text: 'group1'
        }
      ]
    },
    scopedSlots: {
      content: () => 'Custom Content'
    }
  });

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

test('height prop', () => {
  const wrapper = mount(TreeSelect, {
    propsData: {
      height: '100vh'
    }
  });

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

test('use sync modifier in main-active-index', () => {
  const wrapper = mount({
    template: `
      <van-tree-select
        :items="items"
        :main-active-index.sync="mainActiveIndex"
      />
    `,
    data() {
      return {
        mainActiveIndex: -1,
        items: mockItems
      };
    }
  });

  const navItems = wrapper.findAll('.van-tree-select__nav-item');
  navItems.at(0).trigger('click');

  expect(wrapper.vm.mainActiveIndex).toEqual(0);
});

test('use sync modifier in active-id', () => {
  const wrapper = mount({
    template: `
      <van-tree-select
        :items="items"
        :main-active-index="0"
        :active-id.sync="activeId"
      />
    `,
    data() {
      return {
        activeId: mockItem.id,
        mainActiveIndex: 0,
        items: [
          {
            text: 'group1',
            children: [mockItem, mockItem2]
          }
        ]
      };
    }
  });

  const items = wrapper.findAll('.van-tree-select__item');
  items.at(1).trigger('click');

  expect(wrapper.vm.activeId).toEqual(mockItem2.id);
});

test('multiple select', () => {
  const wrapper = mount({
    template: `
      <van-tree-select
        :items="items"
        :main-active-index="0"
        :active-id.sync="activeId"
      />
    `,
    data() {
      return {
        activeId: [],
        mainActiveIndex: 0,
        items: [
          {
            text: 'group1',
            children: [mockItem, mockItem2]
          }
        ]
      };
    }
  });

  const items = wrapper.findAll('.van-tree-select__item');
  items.at(0).trigger('click');
  items.at(1).trigger('click');
  expect(wrapper.vm.activeId).toEqual([mockItem.id, mockItem2.id]);

  items.at(0).trigger('click');
  items.at(1).trigger('click');
  expect(wrapper.vm.activeId).toEqual([]);
});