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