Mailspring/app/spec/components/multiselect-dropdown-spec.jsx

import React from 'react';
import { scryRenderedDOMComponentsWithClass, Simulate } from 'react-dom/test-utils';

import MultiselectDropdown from '../../src/components/multiselect-dropdown';
import { renderIntoDocument } from '../mailspring-test-utils';

const makeDropdown = (items = [], props = {}) => {
  return renderIntoDocument(<MultiselectDropdown {...props} items={items} />);
};
describe('MultiselectDropdown', function multiSelectedDropdown() {
  describe('_onItemClick', () => {
    it('calls onToggleItem function', () => {
      const onToggleItem = jasmine.createSpy('onToggleItem');
      const itemChecked = jasmine.createSpy('itemChecked');
      const itemKey = i => i;
      const dropdown = makeDropdown(['annie@nylas.com', 'anniecook@ostby.com'], {
        onToggleItem,
        itemChecked,
        itemKey,
      });
      dropdown.setState({ selectingItems: true });
      const item = scryRenderedDOMComponentsWithClass(dropdown, 'item')[0];
      Simulate.mouseDown(item);
      expect(onToggleItem).toHaveBeenCalled();
    });
  });
});