gethue/ko/components/contextPopover/ko.popoverOnHover.test.js

Hue is an Open source SQL Query Editor for Databases/Warehouses

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//     http://www.apache.org/licenses/LICENSE-2.0
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import $ from 'jquery';

import { koSetup } from '../../../jest/koTestUtils';

import { NAME } from './ko.popoverOnHover';
import huePubSub from '../../../utils/huePubSub';
import { HIDE_CONTEXT_POPOVER_EVENT } from './ko.contextPopover';

describe('ko.popoverOnHover.js', () => {
  const setup = koSetup();

  it('should render binding', async () => {
    const wrapper = await setup.renderKo(`<div id="foo" data-bind="${NAME}: () => {}"></div>`, {});

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

  it('should call callback on hover and publish on leave', async () => {
    jest.useFakeTimers('legacy');
    let callbackCalled = false;
    const viewModel = {
      callback: () => {
        callbackCalled = true;
      }
    };
    const wrapper = await setup.renderKo(
      `<div id="foo" data-bind="${NAME}: callback"></div>`,
      viewModel
    );

    // Mouse enters
    $(wrapper.firstChild).trigger('mouseenter');
    jest.runAllTimers();
    expect(callbackCalled).toBeTruthy();

    // Mouse leaves
    let publishCalled = false;
    huePubSub.subscribeOnce(HIDE_CONTEXT_POPOVER_EVENT, () => {
      publishCalled = true;
    });
    $(wrapper.firstChild).trigger('mouseleave');
    jest.runAllTimers();
    expect(publishCalled).toBeTruthy();

    // Mouse clicks
    callbackCalled = false;
    $(wrapper.firstChild).trigger('click');
    expect(callbackCalled).toBeTruthy();
  });
});