blob: 2960a1f3c4cab6d79bad5cff939224a0285f0bb8 [file] [log] [blame]
/**
* @license
* Copyright (C) 2017 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import '../../../test/common-test-setup-karma.js';
import './gr-page-nav.js';
import {html} from '@polymer/polymer/lib/utils/html-tag.js';
const basicFixture = fixtureFromTemplate(html`
<gr-page-nav>
<ul>
<li>item</li>
</ul>
</gr-page-nav>
`);
suite('gr-page-nav tests', () => {
let element;
setup(() => {
element = basicFixture.instantiate();
flush();
});
test('header is not pinned just below top', () => {
sinon.stub(element, '_getOffsetParent').callsFake(() => 0);
sinon.stub(element, '_getOffsetTop').callsFake(() => 10);
sinon.stub(element, '_getScrollY').callsFake(() => 5);
element._handleBodyScroll();
assert.isFalse(element.$.nav.classList.contains('pinned'));
});
test('header is pinned when scroll down the page', () => {
sinon.stub(element, '_getOffsetParent').callsFake(() => 0);
sinon.stub(element, '_getOffsetTop').callsFake(() => 10);
sinon.stub(element, '_getScrollY').callsFake(() => 25);
window.scrollY = 100;
element._handleBodyScroll();
assert.isTrue(element.$.nav.classList.contains('pinned'));
});
test('header is not pinned just below top with header set', () => {
element._headerHeight = 20;
sinon.stub(element, '_getScrollY').callsFake(() => 15);
window.scrollY = 100;
element._handleBodyScroll();
assert.isFalse(element.$.nav.classList.contains('pinned'));
});
test('header is pinned when scroll down the page with header set', () => {
element._headerHeight = 20;
sinon.stub(element, '_getScrollY').callsFake(() => 25);
window.scrollY = 100;
element._handleBodyScroll();
assert.isTrue(element.$.nav.classList.contains('pinned'));
});
});