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test-amp-story.js
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test-amp-story.js
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/**
* Copyright 2017 The AMP HTML Authors. All Rights Reserved.
*
* 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 * as consent from '../../../../src/consent';
import * as utils from '../utils';
import {
Action,
AmpStoryStoreService,
StateProperty,
UIType,
} from '../amp-story-store-service';
import {ActionTrust} from '../../../../src/action-constants';
import {AmpStory} from '../amp-story';
import {AmpStoryConsent} from '../amp-story-consent';
import {Keys} from '../../../../src/utils/key-codes';
import {LocalizationService} from '../localization';
import {MediaType} from '../media-pool';
import {PageState} from '../amp-story-page';
import {PaginationButtons} from '../pagination-buttons';
import {Services} from '../../../../src/services';
import {registerServiceBuilder} from '../../../../src/service';
// Represents the correct value of KeyboardEvent.which for the Right Arrow
const KEYBOARD_EVENT_WHICH_RIGHT_ARROW = 39;
describes.realWin('amp-story', {
amp: {
runtimeOn: true,
extensions: ['amp-story:1.0'],
},
}, env => {
let win;
let element;
let story;
let replaceStateStub;
/**
* @param {!Element} container
* @param {number} count
* @param {Array<string>=} opt_ids
* @return {!Array<!Element>}
*/
function createPages(container, count, opt_ids) {
return Array(count).fill(undefined).map((unused, i) => {
const page = win.document.createElement('amp-story-page');
page.id = opt_ids && opt_ids[i] ? opt_ids[i] : `-page-${i}`;
container.appendChild(page);
return page;
});
}
/**
* @param {string} eventType
* @return {!Event}
*/
function createEvent(eventType) {
const eventObj = document.createEventObject ?
document.createEventObject() : document.createEvent('Events');
if (eventObj.initEvent) {
eventObj.initEvent(eventType, true, true);
}
return eventObj;
}
beforeEach(() => {
win = env.win;
replaceStateStub = sandbox.stub(win.history, 'replaceState');
sandbox.stub(Services, 'storyStoreService')
.callsFake(() => new AmpStoryStoreService(win));
element = win.document.createElement('amp-story');
win.document.body.appendChild(element);
const localizationService = new LocalizationService(win);
registerServiceBuilder(win, 'localization', () => localizationService);
AmpStory.isBrowserSupported = () => true;
return element.getImpl().then(impl => {
story = impl;
});
});
afterEach(() => {
element.remove();
});
it('should build with the expected number of pages', () => {
const pagesCount = 2;
createPages(story.element, pagesCount, ['cover', 'page-1']);
return story.layoutCallback()
.then(() => {
expect(story.getPageCount()).to.equal(pagesCount);
});
});
it('should activate the first page when built', () => {
createPages(story.element, 2, ['cover', 'page-1']);
return story.layoutCallback()
.then(() => {
// Getting all the AmpStoryPage objets.
const pageElements =
story.element.getElementsByTagName('amp-story-page');
const pages = Array.from(pageElements).map(el => el.getImpl());
return Promise.all(pages);
})
.then(pages => {
// Only the first page should be active.
for (let i = 0; i < pages.length; i++) {
i === 0 ?
expect(pages[i].isActive()).to.be.true :
expect(pages[i].isActive()).to.be.false;
}
});
});
it('should update the navigation state when built', () => {
const firstPageId = 'cover';
const pageCount = 2;
createPages(story.element, pageCount, [firstPageId, 'page-1']);
const updateActivePageStub =
sandbox.stub(story.navigationState_, 'updateActivePage');
return story.layoutCallback()
.then(() => {
expect(updateActivePageStub)
.to.have.been.calledWith(0, pageCount, firstPageId);
});
});
it('should preload the bookend if navigating to the last page', () => {
createPages(story.element, 1, ['cover']);
const buildBookendStub = sandbox.stub(story, 'buildAndPreloadBookend_');
return story.layoutCallback()
.then(() => {
expect(buildBookendStub).to.have.been.calledOnce;
});
});
it('should not preload the bookend if not on the last page', () => {
createPages(story.element, 2, ['cover']);
const buildBookendStub = sandbox.stub(story, 'buildAndPreloadBookend_');
return story.layoutCallback()
.then(() => {
expect(buildBookendStub).to.not.have.been.called;
});
});
it('should prerender/load the share menu', () => {
createPages(story.element, 2);
const buildShareMenuStub = sandbox.stub(story.shareMenu_, 'build');
return story.layoutCallback()
.then(() => {
expect(buildShareMenuStub).to.have.been.calledOnce;
});
});
it('should not prerender/load the share menu on desktop', () => {
createPages(story.element, 2);
story.storeService_.dispatch(Action.TOGGLE_UI, UIType.DESKTOP);
const buildShareMenuStub = sandbox.stub(story.shareMenu_, 'build');
return story.layoutCallback()
.then(() => {
expect(buildShareMenuStub).to.not.have.been.called;
});
});
it('should return a valid page index', () => {
createPages(story.element, 4, ['cover', 'page-1', 'page-2', 'page-3']);
return story.layoutCallback()
.then(() => {
// Getting all the AmpStoryPage objets.
const pageElements =
story.element.getElementsByTagName('amp-story-page');
const pages = Array.from(pageElements).map(el => el.getImpl());
return Promise.all(pages);
})
.then(pages => {
// Only the first page should be active.
for (let i = 0; i < pages.length; i++) {
expect(story.getPageIndex(pages[i])).to.equal(i);
}
});
});
it('should pause/resume pages when switching pages', () => {
createPages(story.element, 2, ['cover', 'page-1']);
sandbox.stub(story, 'maybePreloadBookend_').returns();
let pauseOldPageStub;
let resumeNewPageStub;
return story.layoutCallback()
.then(() => {
// Getting all the AmpStoryPage objects.
const pageElements =
story.element.getElementsByTagName('amp-story-page');
const pages = Array.from(pageElements).map(el => el.getImpl());
return Promise.all(pages);
})
.then(pages => {
const oldPage = pages[0];
const newPage = pages[1];
pauseOldPageStub = sandbox.stub(oldPage, 'pauseCallback');
resumeNewPageStub = sandbox.stub(newPage, 'resumeCallback');
})
.then(() => story.switchTo_('page-1'))
.then(() => {
expect(pauseOldPageStub).to.have.been.calledOnce;
expect(resumeNewPageStub).to.have.been.calledOnce;
});
});
// TODO(#11639): Re-enable this test.
it.skip('should go to next page on right arrow keydown', () => {
const pages = createPages(element, 5);
element.build();
expect(pages[0].hasAttribute('active')).to.be.true;
expect(pages[1].hasAttribute('active')).to.be.false;
// Stubbing because we need to assert synchronously
sandbox.stub(element.implementation_, 'mutateElement').callsFake(
mutator => {
mutator();
return Promise.resolve();
});
const eventObj = createEvent('keydown');
eventObj.key = Keys.RIGHT_ARROW;
eventObj.which = KEYBOARD_EVENT_WHICH_RIGHT_ARROW;
const docEl = win.document.documentElement;
docEl.dispatchEvent ?
docEl.dispatchEvent(eventObj) :
docEl.fireEvent('onkeydown', eventObj);
expect(pages[0].hasAttribute('active')).to.be.false;
expect(pages[1].hasAttribute('active')).to.be.true;
});
it('lock body when amp-story is initialized', () => {
createPages(story.element, 2, ['cover', 'page-1']);
return story.layoutCallback()
.then(() => {
story.lockBody_();
expect(win.document.body.style.getPropertyValue('overflow'))
.to.be.equal('hidden');
expect(
win.document.documentElement.style.getPropertyValue('overflow'))
.to.be.equal('hidden');
});
});
it('builds and attaches pagination buttons ', () => {
createPages(story.element, 2, ['cover', 'page-1']);
return story.layoutCallback()
.then(() => {
const paginationButtonsStub = {
attach: sandbox.spy(),
onNavigationStateChange: sandbox.spy(),
};
sandbox.stub(PaginationButtons, 'create')
.returns(paginationButtonsStub);
story.buildPaginationButtonsForTesting();
expect(paginationButtonsStub.attach)
.to.have.been.calledWith(story.element);
});
});
it.skip('toggles `i-amphtml-story-landscape` based on height and width',
() => {
story.element.style.width = '11px';
story.element.style.height = '10px';
const isDesktopStub = sandbox.stub(story, 'isDesktop_').returns(false);
story.vsync_ = {
run: (task, state) => {
if (task.measure) {
task.measure(state);
}
if (task.mutate) {
task.mutate(state);
}
},
};
story.onResize();
expect(isDesktopStub).to.be.calledOnce;
expect(story.element.classList.contains('i-amphtml-story-landscape'))
.to.be.true;
story.element.style.width = '10px';
story.element.style.height = '11px';
story.onResize();
expect(isDesktopStub).to.be.calledTwice;
expect(story.element.classList.contains('i-amphtml-story-landscape'))
.to.be.false;
});
it('should update page id in store', () => {
const firstPageId = 'page-one';
const pageCount = 2;
createPages(story.element, pageCount, [firstPageId, 'page-1']);
const dispatchStub =
sandbox.stub(story.storeService_, 'dispatch');
return story.layoutCallback()
.then(() => {
expect(dispatchStub).to.have.been.calledWith(Action.CHANGE_PAGE, {
id: firstPageId,
index: 0,
});
});
});
it('should update page id in browser history', () => {
const firstPageId = 'page-zero';
const pageCount = 2;
createPages(story.element, pageCount, [firstPageId, 'page-1']);
return story.layoutCallback()
.then(() => {
return expect(replaceStateStub).to.have.been.calledWith(
{ampStoryPageId: firstPageId},
'',
);
});
});
it('should NOT update page id in browser history if ad', () => {
const firstPageId = 'i-amphtml-ad-page-1';
const pageCount = 2;
const pages = createPages(story.element, pageCount,
[firstPageId, 'page-1']);
const firstPage = pages[0];
firstPage.setAttribute('ad', '');
return story.layoutCallback()
.then(() => {
return expect(replaceStateStub).to.not.have.been.called;
});
});
it('should not set first page to active when rendering paused story', () => {
createPages(story.element, 2, ['cover', 'page-1']);
story.storeService_.dispatch(Action.TOGGLE_PAUSED, true);
return story.layoutCallback()
.then(() => {
expect(story.getPageById('cover').state_)
.to.equal(PageState.NOT_ACTIVE);
});
});
it('should detect fullbleed desktop mode', () => {
createPages(story.element, 4, ['cover', '1', '2', '3']);
story.element.setAttribute('desktop-mode', 'fullbleed');
// Don't do this at home. :(
story.desktopMedia_ = {matches: true};
story.buildCallback();
return story.layoutCallback()
.then(() => {
expect(story.storeService_.get(StateProperty.UI_STATE))
.to.equals(UIType.DESKTOP_FULLBLEED);
});
});
it('should have a meta tag that sets the theme color', () => {
createPages(story.element, 2);
story.buildCallback();
return story.layoutCallback()
.then(() => {
const metaTag = win.document.querySelector('meta[name=theme-color]');
expect(metaTag).to.not.be.null;
});
});
describe('amp-story consent', () => {
it('should pause the story if there is a consent', () => {
sandbox.stub(Services, 'actionServiceForDoc')
.returns({setWhitelist: () => {}, trigger: () => {}});
// Prevents amp-story-consent element from running code that is irrelevant
// to this test.
sandbox.stub(AmpStoryConsent.prototype, 'buildCallback');
const consentEl = win.document.createElement('amp-consent');
const storyConsentEl = win.document.createElement('amp-story-consent');
consentEl.appendChild(storyConsentEl);
element.appendChild(consentEl);
createPages(story.element, 2, ['cover', 'page-1']);
// Never resolving consent promise, emulating a user looking at the
// consent prompt.
const promise = new Promise(() => {});
sandbox.stub(consent, 'getConsentPolicyState').returns(promise);
const coverEl = element.querySelector('amp-story-page');
let setStateStub;
return coverEl.getImpl()
.then(cover => {
setStateStub = sandbox.stub(cover, 'setState');
return story.layoutCallback();
})
.then(() => {
// These assertions ensure we don't spam the page state. We want to
// avoid a situation where we set the page to active, then paused,
// which would spam the media pool with expensive operations.
expect(setStateStub).to.have.been.calledOnce;
expect(setStateStub.getCall(0))
.to.have.been.calledWithExactly(PageState.NOT_ACTIVE);
});
});
it('should play the story after the consent is resolved', () => {
sandbox.stub(Services, 'actionServiceForDoc')
.returns({setWhitelist: () => {}, trigger: () => {}});
// Prevents amp-story-consent element from running code that is irrelevant
// to this test.
sandbox.stub(AmpStoryConsent.prototype, 'buildCallback');
const consentEl = win.document.createElement('amp-consent');
const storyConsentEl = win.document.createElement('amp-story-consent');
consentEl.appendChild(storyConsentEl);
element.appendChild(consentEl);
createPages(story.element, 2, ['cover', 'page-1']);
// In a real scenario, promise is resolved when the user accepted or
// rejected the consent.
let resolver;
const promise = new Promise(resolve => {
resolver = resolve;
});
sandbox.stub(consent, 'getConsentPolicyState').returns(promise);
const coverEl = element.querySelector('amp-story-page');
let setStateStub;
return coverEl.getImpl()
.then(cover => {
setStateStub = sandbox.stub(cover, 'setState');
return story.layoutCallback();
})
.then(() => resolver()) // Resolving the consent.
.then(() => {
// These assertions ensure we don't spam the page state. We want to
// avoid a situation where we set the page to active, then paused,
// then back to active, which would spam the media pool with
// expensive operations.
expect(setStateStub).to.have.been.calledTwice;
expect(setStateStub.getCall(0))
.to.have.been.calledWithExactly(PageState.NOT_ACTIVE);
expect(setStateStub.getCall(1))
.to.have.been.calledWithExactly(PageState.PLAYING);
});
});
it('should play the story if the consent was already resolved', () => {
sandbox.stub(Services, 'actionServiceForDoc')
.returns({setWhitelist: () => {}, trigger: () => {}});
// Prevents amp-story-consent element from running code that is irrelevant
// to this test.
sandbox.stub(AmpStoryConsent.prototype, 'buildCallback');
const consentEl = win.document.createElement('amp-consent');
const storyConsentEl = win.document.createElement('amp-story-consent');
consentEl.appendChild(storyConsentEl);
element.appendChild(consentEl);
createPages(story.element, 2, ['cover', 'page-1']);
// Returns an already resolved promised: the user already accepted or
// rejected the consent in a previous session.
sandbox.stub(consent, 'getConsentPolicyState').resolves();
const coverEl = element.querySelector('amp-story-page');
let setStateStub;
return coverEl.getImpl()
.then(cover => {
setStateStub = sandbox.stub(cover, 'setState');
return story.layoutCallback();
})
.then(() => {
// These assertions ensure we don't spam the page state. We want to
// avoid a situation where we set the page to active, then paused,
// then back to active, which would spam the media pool with
// expensive operations.
expect(setStateStub).to.have.been.calledTwice;
expect(setStateStub.getCall(0))
.to.have.been.calledWithExactly(PageState.NOT_ACTIVE);
expect(setStateStub.getCall(1))
.to.have.been.calledWithExactly(PageState.PLAYING);
});
});
});
describe('amp-story pause/resume callbacks', () => {
it('should pause the story when tab becomes inactive', () => {
createPages(story.element, 2, ['cover', 'page-1']);
sandbox.stub(story.documentState_, 'isHidden').returns(true);
const onVisibilityChangedStub =
sandbox.stub(story.documentState_, 'onVisibilityChanged');
story.buildCallback();
return story.layoutCallback()
.then(() => {
// Execute the callback passed to onVisibilityChanged.
expect(onVisibilityChangedStub).to.have.been.calledOnce;
onVisibilityChangedStub.getCall(0).args[0]();
// Paused state has been changed to true.
expect(story.storeService_.get(StateProperty.PAUSED_STATE))
.to.be.true;
});
});
it('should play the story when tab becomes active', () => {
createPages(story.element, 2, ['cover', 'page-1']);
sandbox.stub(story.documentState_, 'isHidden').returns(false);
const onVisibilityChangedStub =
sandbox.stub(story.documentState_, 'onVisibilityChanged');
story.storeService_.dispatch(Action.TOGGLE_PAUSED, true);
story.buildCallback();
return story.layoutCallback()
.then(() => {
// Execute the callback passed to onVisibilityChanged.
expect(onVisibilityChangedStub).to.have.been.calledOnce;
onVisibilityChangedStub.getCall(0).args[0]();
// Paused state has been changed to false.
expect(story.storeService_.get(StateProperty.PAUSED_STATE))
.to.be.false;
});
});
it('should pause the story when viewer becomes inactive', () => {
createPages(story.element, 2, ['cover', 'page-1']);
return story.layoutCallback()
.then(() => {
story.pauseCallback();
expect(story.storeService_.get(StateProperty.PAUSED_STATE))
.to.be.true;
});
});
it('should play the story when viewer becomes active', () => {
createPages(story.element, 2, ['cover', 'page-1']);
story.storeService_.dispatch(Action.TOGGLE_PAUSED, true);
return story.layoutCallback()
.then(() => {
story.resumeCallback();
expect(story.storeService_.get(StateProperty.PAUSED_STATE))
.to.be.false;
});
});
it('should keep the story paused on resume when previously paused', () => {
createPages(story.element, 2, ['cover', 'page-1']);
story.storeService_.dispatch(Action.TOGGLE_PAUSED, true);
return story.layoutCallback()
.then(() => {
story.pauseCallback();
story.resumeCallback();
expect(story.storeService_.get(StateProperty.PAUSED_STATE))
.to.be.true;
});
});
});
describe('amp-story continue anyway', () => {
it('should not display layout', () => {
AmpStory.isBrowserSupported = () => false;
story = new AmpStory(element);
const dispatchStub = sandbox.stub(story.storeService_, 'dispatch');
createPages(story.element, 2, ['cover', 'page-4']);
return story.layoutCallback()
.then(() => {
expect(dispatchStub).to.have.been.calledWith(
Action.TOGGLE_SUPPORTED_BROWSER, false
);
});
});
it('should display the story after clicking "continue" button', () => {
AmpStory.isBrowserSupported = () => false;
story = new AmpStory(element);
const dispatchStub = sandbox.stub(
story.unsupportedBrowserLayer_.storeService_, 'dispatch');
createPages(story.element, 2, ['cover', 'page-1']);
story.buildCallback();
return story.layoutCallback()
.then(() => {
story.unsupportedBrowserLayer_.continueButton_.click();
})
.then(() => {
expect(dispatchStub).to.have.been.calledWith(
Action.TOGGLE_SUPPORTED_BROWSER, true
);
});
});
});
describe('amp-story custom sidebar', () => {
it('should show the sidebar control if a sidebar exists', () => {
createPages(story.element, 2, ['cover', 'page-1']);
const sidebar = win.document.createElement('amp-sidebar');
story.element.appendChild(sidebar);
return story.layoutCallback()
.then(() => {
expect(story.storeService_
.get(StateProperty.HAS_SIDEBAR_STATE)).to.be.true;
});
});
it('should open the sidebar on button click', () => {
createPages(story.element, 2, ['cover', 'page-1']);
const sidebar = win.document.createElement('amp-sidebar');
story.element.appendChild(sidebar);
const executeSpy = sandbox.spy();
sandbox.stub(Services, 'actionServiceForDoc')
.returns({setWhitelist: () => {}, trigger: () => {},
execute: executeSpy,
});
story.buildCallback();
return story.layoutCallback()
.then(() => {
story.storeService_.dispatch(Action.TOGGLE_SIDEBAR, true);
expect(executeSpy).to.have.been.calledWith(story.sidebar_, 'open',
null, null, null, null, ActionTrust.HIGH);
});
});
it('should unpause the story when the sidebar is closed', () => {
createPages(story.element, 2, ['cover', 'page-1']);
const sidebar = win.document.createElement('amp-sidebar');
story.element.appendChild(sidebar);
sandbox.stub(Services, 'actionServiceForDoc')
.returns({setWhitelist: () => {}, trigger: () => {},
execute: () => {sidebar.setAttribute('open', '');}});
story.buildCallback();
return story.layoutCallback()
.then(() => {
story.storeService_.dispatch(Action.TOGGLE_SIDEBAR, true);
}).then(() => {
story.sidebar_.removeAttribute('open');
}).then(() => {
expect(story.storeService_.get(StateProperty.SIDEBAR_STATE))
.to.be.false;
});
});
});
describe('desktop attributes', () => {
it('should add desktop-position attributes', () => {
const desktopAttribute = 'i-amphtml-desktop-position';
const pages = createPages(story.element, 4, ['cover', '1', '2', '3']);
story.buildCallback();
story.storeService_.dispatch(Action.TOGGLE_UI, UIType.DESKTOP);
return story.layoutCallback()
.then(() => {
expect(pages[0].getAttribute(desktopAttribute)).to.equal('0');
expect(pages[1].getAttribute(desktopAttribute)).to.equal('1');
expect(pages[2].getAttribute(desktopAttribute)).to.equal('2');
expect(pages[3].hasAttribute(desktopAttribute)).to.be.false;
});
});
it('should update desktop-position attributes upon navigation', () => {
const desktopAttribute = 'i-amphtml-desktop-position';
const pages = createPages(story.element, 4, ['cover', '1', '2', '3']);
story.buildCallback();
story.storeService_.dispatch(Action.TOGGLE_UI, UIType.DESKTOP);
return story.layoutCallback()
.then(() => story.switchTo_('2'))
.then(() => {
expect(pages[0].getAttribute(desktopAttribute)).to.equal('-2');
expect(pages[1].getAttribute(desktopAttribute)).to.equal('-1');
expect(pages[2].getAttribute(desktopAttribute)).to.equal('0');
expect(pages[3].getAttribute(desktopAttribute)).to.equal('1');
});
});
it('should add previous visited attribute', () => {
sandbox.stub(story, 'maybePreloadBookend_').returns();
sandbox.stub(utils, 'setAttributeInMutate').callsFake(
(el, attr) => el.element.setAttribute(attr, ''));
const pages = createPages(story.element, 2, ['page-0', 'page-1']);
const page0 = pages[0];
return story.layoutCallback()
.then(() => story.switchTo_('page-1'))
.then(() => {
expect(page0.hasAttribute('i-amphtml-visited')).to.be.true;
});
});
});
describe('amp-story audio', () => {
it('should register and preload the background audio', () => {
const src = 'https://example.com/foo.mp3';
story.element.setAttribute('background-audio', src);
const registerStub = sandbox.stub(story.mediaPool_, 'register');
const preloadStub = sandbox.stub(story.mediaPool_, 'preload').resolves();
createPages(story.element, 2, ['cover', 'page-1']);
return story.layoutCallback()
.then(() => {
expect(story.backgroundAudioEl_).to.exist;
expect(story.backgroundAudioEl_.src).to.equal(src);
expect(registerStub).to.have.been.calledOnce;
expect(preloadStub).to.have.been.calledOnce;
});
});
it('should bless the media on unmute', () => {
const blessAllStub =
sandbox.stub(story.mediaPool_, 'blessAll').resolves();
createPages(story.element, 2, ['cover', 'page-1']);
return story.layoutCallback()
.then(() => {
story.storeService_.dispatch(Action.TOGGLE_MUTED, false);
expect(blessAllStub).to.have.been.calledOnce;
});
});
it('should pause the background audio on ad state if not muted', () => {
const backgroundAudioEl = win.document.createElement('audio');
backgroundAudioEl.setAttribute('id', 'foo');
story.backgroundAudioEl_ = backgroundAudioEl;
createPages(story.element, 2, ['cover', 'page-1']);
return story.layoutCallback()
.then(() => {
const pauseStub = sandbox.stub(story.mediaPool_, 'pause');
story.storeService_.dispatch(Action.TOGGLE_MUTED, false);
story.storeService_.dispatch(Action.TOGGLE_AD, true);
expect(pauseStub).to.have.been.calledOnce;
expect(pauseStub).to.have.been.calledWith(backgroundAudioEl);
});
});
it('should play the background audio when hiding ad if not muted', () => {
const backgroundAudioEl = win.document.createElement('audio');
backgroundAudioEl.setAttribute('id', 'foo');
story.backgroundAudioEl_ = backgroundAudioEl;
createPages(story.element, 2, ['cover', 'page-1']);
return story.layoutCallback()
.then(() => {
// Displaying an ad and not muted.
story.storeService_.dispatch(Action.TOGGLE_AD, true);
story.storeService_.dispatch(Action.TOGGLE_MUTED, false);
const unmuteStub = sandbox.stub(story.mediaPool_, 'unmute');
const playStub = sandbox.stub(story.mediaPool_, 'play');
story.storeService_.dispatch(Action.TOGGLE_AD, false);
expect(unmuteStub).to.have.been.calledOnce;
expect(unmuteStub).to.have.been.calledWith(backgroundAudioEl);
expect(playStub).to.have.been.calledOnce;
expect(playStub).to.have.been.calledWith(backgroundAudioEl);
});
});
it('should not play the background audio when hiding ad if muted', () => {
const backgroundAudioEl = win.document.createElement('audio');
backgroundAudioEl.setAttribute('id', 'foo');
story.backgroundAudioEl_ = backgroundAudioEl;
createPages(story.element, 2, ['cover', 'page-1']);
return story.layoutCallback()
.then(() => {
story.storeService_.dispatch(Action.TOGGLE_AD, true);
const unmuteStub = sandbox.stub(story.mediaPool_, 'unmute');
const playStub = sandbox.stub(story.mediaPool_, 'play');
story.storeService_.dispatch(Action.TOGGLE_AD, false);
expect(unmuteStub).not.to.have.been.called;
expect(playStub).not.to.have.been.called;
});
});
it('should mute the page and unmute the next page upon navigation', () => {
createPages(story.element, 4, ['cover', 'page-1', 'page-2', 'page-3']);
story.storeService_.dispatch(Action.TOGGLE_MUTED, false);
let coverMuteStub;
let firstPageUnmuteStub;
return story.layoutCallback()
.then(() => {
coverMuteStub =
sandbox.stub(story.getPageById('cover'), 'muteAllMedia');
firstPageUnmuteStub =
sandbox.stub(story.getPageById('page-1'), 'unmuteAllMedia');
return story.switchTo_('page-1');
})
.then(() => {
expect(coverMuteStub).to.have.been.calledOnce;
expect(firstPageUnmuteStub).to.have.been.calledOnce;
});
});
});
describe('#getMaxMediaElementCounts', () => {
it('should create 2 audio & video elements when no elements found', () => {
createPages(story.element, 2, ['cover', 'page-1']);
return story.layoutCallback()
.then(() => {
sandbox.stub(story.element, 'querySelectorAll').returns([]);
const expected = {
[MediaType.AUDIO]: 2,
[MediaType.VIDEO]: 2,
};
expect(story.getMaxMediaElementCounts()).to.deep.equal(expected);
});
});
it('should create 2 extra audio & video elements for ads', () => {
createPages(story.element, 2, ['cover', 'page-1']);
return story.layoutCallback()
.then(() => {
const qsStub = sandbox.stub(story.element, 'querySelectorAll');
qsStub.withArgs('amp-audio, [background-audio]').returns(['el']);
qsStub.withArgs('amp-video').returns(['el', 'el']);
const expected = {
[MediaType.AUDIO]: 3,
[MediaType.VIDEO]: 4,
};
expect(story.getMaxMediaElementCounts()).to.deep.equal(expected);
});
});
it('never have more than the defined maximums', () => {
createPages(story.element, 2, ['cover', 'page-1']);
return story.layoutCallback()
.then(() => {
const qsStub = sandbox.stub(story.element, 'querySelectorAll');
qsStub.withArgs('amp-audio, [background-audio]')
.returns(['el', 'el', 'el', 'el', 'el', 'el', 'el']);
qsStub.withArgs('amp-video')
.returns(['el', 'el', 'el', 'el', 'el', 'el', 'el', 'el']);
const expected = {
[MediaType.AUDIO]: 4,
[MediaType.VIDEO]: 8,
};
expect(story.getMaxMediaElementCounts()).to.deep.equal(expected);
});
});
});
describe('amp-story navigation', () => {
it('should navigate when performing a navigational click', () => {
createPages(story.element, 4, ['cover', 'page-1', 'page-2', 'page-3']);
return story.layoutCallback()
.then(() => {
// Click on right side of the screen to trigger page advancement.
const clickEvent = new MouseEvent('click', {clientX: 200});
story.activePage_.element.dispatchEvent(clickEvent);
expect(story.activePage_.element.id).to.equal('page-1');
});
});
it('should NOT navigate when clicking on a tappable element', () => {
createPages(story.element, 4, ['cover', 'page-1', 'page-2', 'page-3']);
return story.layoutCallback()
.then(() => {
const tappableEl = win.document.createElement('target');
tappableEl.setAttribute('on', 'tap:cover.hide');
story.activePage_.element.appendChild(tappableEl);
const clickEvent = new MouseEvent('click', {clientX: 200});
tappableEl.dispatchEvent(clickEvent);
expect(story.activePage_.element.id).to.equal('cover');
});
});
it('should NOT navigate when clicking on a shadow DOM element', () => {
createPages(story.element, 4, ['cover', 'page-1', 'page-2', 'page-3']);
return story.layoutCallback()
.then(() => {
const clickEvent = new MouseEvent('click', {clientX: 200});
story.shareMenu_.element_.dispatchEvent(clickEvent);
expect(story.activePage_.element.id).to.equal('cover');
});
});
it('should NOT navigate when clicking on a CTA link', () => {
createPages(story.element, 4, ['cover', 'page-1', 'page-2', 'page-3']);
return story.layoutCallback()
.then(() => {
const ctaLink = win.document.createElement('a');
ctaLink.setAttribute('role', 'link');
story.activePage_.element.appendChild(ctaLink);
const clickEvent = new MouseEvent('click', {clientX: 200});
ctaLink.dispatchEvent(clickEvent);
expect(story.activePage_.element.id).to.equal('cover');
});
});
});
describe('amp-access navigation', () => {
it('should set the access state to true if next page blocked', () => {
createPages(story.element, 4, ['cover', 'page-1', 'page-2', 'page-3']);
return story.layoutCallback()
.then(() => {
story.getPageById('page-1')