polygerrit-ui/app/elements/shared/gr-alert/gr-alert_test.ts

/**
 * @license
 * Copyright 2015 Google LLC
 * SPDX-License-Identifier: Apache-2.0
 */
import '../../../test/common-test-setup';
import './gr-alert';
import {GrAlert} from './gr-alert';
import {assert} from '@open-wc/testing';
import {GrButton} from '../gr-button/gr-button';
import {waitEventLoop} from '../../../test/test-utils';

suite('gr-alert tests', () => {
  let element: GrAlert;

  setup(() => {
    // The gr-alert element attaches itself to the root element on .show(),
    // rather than existing under a fixture parent.
    element = document.createElement('gr-alert');
  });

  teardown(() => {
    if (element.parentNode) {
      element.parentNode.removeChild(element);
    }
  });

  test('render', async () => {
    element.show('Alert text');
    await element.updateComplete;

    assert.shadowDom.equal(
      element,
      /* HTML */ `
        <div class="content-wrapper">
          <span class="text"> Alert text </span>
          <gr-button
            aria-disabled="false"
            class="action"
            hidden=""
            link=""
            role="button"
            tabindex="0"
          >
          </gr-button>
        </div>
      `
    );
  });

  test('show/hide', async () => {
    assert.isNull(element.parentNode);
    element.show('Alert text');
    // wait for element to be rendered after being attached to DOM
    await waitEventLoop();
    assert.equal(element.parentNode, document.body);
    element.style.setProperty('--gr-alert-transition-duration', '0ms');
    element.hide();
    assert.isNull(element.parentNode);
  });

  test('action event', async () => {
    const spy = sinon.spy();
    element.show('Alert text');
    await waitEventLoop();
    element._actionCallback = spy;
    assert.isFalse(spy.called);
    element.shadowRoot!.querySelector<GrButton>('.action')!.click();
    assert.isTrue(spy.called);
  });
});