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test-viewer.js
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test-viewer.js
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/**
* Copyright 2015 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 {Viewer} from '../../src/service/viewer-impl';
import {dev} from '../../src/log';
import {installDocService} from '../../src/service/ampdoc-impl';
import {installPlatformService} from '../../src/service/platform-impl';
import {installPerformanceService} from '../../src/service/performance-impl';
import {resetServiceForTesting} from '../../src/service';
import {timerFor} from '../../src/timer';
import {installTimerService} from '../../src/service/timer-impl';
import * as sinon from 'sinon';
describe('Viewer', () => {
let sandbox;
let windowMock;
let viewer;
let windowApi;
let ampdoc;
let clock;
let events;
let errorStub;
function changeVisibility(vis) {
windowApi.document.hidden = vis !== 'visible';
windowApi.document.visibilityState = vis;
if (events.visibilitychange) {
events.visibilitychange({
target: windowApi.document,
type: 'visibilitychange',
bubbles: false,
cancelable: false,
});
}
}
beforeEach(() => {
sandbox = sinon.sandbox.create();
clock = sandbox.useFakeTimers();
const WindowApi = function() {};
windowApi = new WindowApi();
installPerformanceService(windowApi);
installPerformanceService(window);
windowApi.setTimeout = window.setTimeout;
windowApi.clearTimeout = window.clearTimeout;
windowApi.location = {
hash: '#origin=g.com',
href: '/test/viewer',
ancestorOrigins: null,
};
windowApi.document = {
nodeType: /* DOCUMENT */ 9,
defaultView: windowApi,
hidden: false,
visibilityState: 'visible',
addEventListener: function(type, listener) {
events[type] = listener;
},
referrer: '',
body: {style: {}},
documentElement: {style: {}},
title: 'Awesome doc',
};
windowApi.navigator = window.navigator;
windowApi.history = {
replaceState: sandbox.spy(),
};
const ampdocService = installDocService(windowApi, /* isSingleDoc */ true);
ampdoc = ampdocService.getAmpDoc();
installPlatformService(windowApi);
installTimerService(windowApi);
events = {};
errorStub = sandbox.stub(dev(), 'error');
windowMock = sandbox.mock(windowApi);
viewer = new Viewer(ampdoc);
});
afterEach(() => {
resetServiceForTesting(windowApi, 'performance');
resetServiceForTesting(window, 'performance');
windowMock.verify();
sandbox.restore();
});
it('should configure as 0 padding top by default', () => {
expect(viewer.getPaddingTop()).to.equal(0);
});
it('should configure correctly based on window name and hash', () => {
windowApi.name = '__AMP__viewportType=natural';
windowApi.location.hash = '#paddingTop=17&other=something';
const viewer = new Viewer(ampdoc);
expect(viewer.getPaddingTop()).to.equal(17);
// All of the startup params are also available via getParam.
expect(viewer.getParam('paddingTop')).to.equal('17');
expect(viewer.getParam('other')).to.equal('something');
});
it('should configure ignore name and hash with explicit params', () => {
const params = {
'paddingTop': '171',
};
windowApi.name = '__AMP__other=something';
windowApi.location.hash = '#paddingTop=17';
const viewer = new Viewer(ampdoc, params);
expect(viewer.getPaddingTop()).to.equal(171);
// All of the startup params are also available via getParam.
expect(viewer.getParam('paddingTop')).to.equal('171');
expect(viewer.getParam('other')).to.not.exist;
});
it('should expose viewer capabilities', () => {
windowApi.name = '__AMP__viewportType=natural';
windowApi.location.hash = '#paddingTop=17&cap=foo,bar';
const viewer = new Viewer(ampdoc);
expect(viewer.hasCapability('foo')).to.be.true;
expect(viewer.hasCapability('bar')).to.be.true;
expect(viewer.hasCapability('other')).to.be.false;
});
it('should not clear fragment in non-embedded mode', () => {
windowApi.parent = windowApi;
windowApi.location.href = 'http://www.example.com#test=1';
windowApi.location.hash = '#test=1';
const viewer = new Viewer(ampdoc);
expect(windowApi.history.replaceState.callCount).to.equal(0);
expect(viewer.getParam('test')).to.equal('1');
expect(viewer.hasCapability('foo')).to.be.false;
});
it('should clear fragment in embedded mode', () => {
windowApi.parent = {};
windowApi.location.href = 'http://www.example.com#test=1';
windowApi.location.hash = '#origin=g.com&test=1';
const viewer = new Viewer(ampdoc);
expect(windowApi.history.replaceState.callCount).to.equal(1);
const replace = windowApi.history.replaceState.lastCall;
expect(replace.args).to.jsonEqual([{}, '', 'http://www.example.com']);
expect(viewer.getParam('test')).to.equal('1');
});
it('should clear fragment when click param is present', () => {
windowApi.parent = windowApi;
windowApi.location.href = 'http://www.example.com#click=abc';
windowApi.location.hash = '#click=abc';
const viewer = new Viewer(ampdoc);
expect(windowApi.history.replaceState.callCount).to.equal(1);
const replace = windowApi.history.replaceState.lastCall;
expect(replace.args).to.jsonEqual([{}, '', 'http://www.example.com']);
expect(viewer.getParam('click')).to.equal('abc');
});
it('should configure visibilityState visible by default', () => {
expect(viewer.getVisibilityState()).to.equal('visible');
expect(viewer.isVisible()).to.equal(true);
expect(viewer.getPrerenderSize()).to.equal(1);
expect(viewer.getFirstVisibleTime()).to.equal(0);
});
it('should initialize firstVisibleTime for initially visible doc', () => {
clock.tick(1);
const viewer = new Viewer(ampdoc);
expect(viewer.isVisible()).to.be.true;
expect(viewer.getFirstVisibleTime()).to.equal(1);
});
it('should initialize firstVisibleTime when doc becomes visible', () => {
clock.tick(1);
windowApi.location.hash = '#visibilityState=prerender&prerenderSize=3';
const viewer = new Viewer(ampdoc);
expect(viewer.isVisible()).to.be.false;
expect(viewer.getFirstVisibleTime()).to.be.null;
viewer.receiveMessage('visibilitychange', {
state: 'visible',
});
expect(viewer.isVisible()).to.be.true;
expect(viewer.getFirstVisibleTime()).to.equal(1);
});
it('should configure visibilityState and prerender', () => {
windowApi.location.hash = '#visibilityState=prerender&prerenderSize=3';
const viewer = new Viewer(ampdoc);
expect(viewer.getVisibilityState()).to.equal('prerender');
expect(viewer.isVisible()).to.equal(false);
expect(viewer.getPrerenderSize()).to.equal(3);
});
it('should configure performance tracking', () => {
windowApi.location.hash = '';
let viewer = new Viewer(ampdoc);
viewer.messagingMaybePromise_ = Promise.resolve();
expect(viewer.isPerformanceTrackingOn()).to.be.false;
windowApi.location.hash = '#csi=1';
viewer = new Viewer(ampdoc);
viewer.messagingMaybePromise_ = Promise.resolve();
expect(viewer.isPerformanceTrackingOn()).to.be.true;
windowApi.location.hash = '#csi=0';
viewer = new Viewer(ampdoc);
viewer.messagingMaybePromise_ = Promise.resolve();
expect(viewer.isPerformanceTrackingOn()).to.be.false;
windowApi.location.hash = '#csi=1';
viewer = new Viewer(ampdoc);
viewer.messagingMaybePromise_ = null;
expect(viewer.isPerformanceTrackingOn()).to.be.false;
windowApi.location.hash = '#csi=0';
viewer = new Viewer(ampdoc);
viewer.messagingMaybePromise_ = null;
expect(viewer.isPerformanceTrackingOn()).to.be.false;
});
it('should get fragment from the url in non-embedded mode', () => {
windowApi.parent = windowApi;
windowApi.location.hash = '#foo';
const viewer = new Viewer(ampdoc);
return viewer.getFragment().then(fragment => {
expect(fragment).to.be.equal('foo');
});
});
it('should get fragment from the viewer in embedded mode ' +
'if the viewer has capability of getting fragment', () => {
windowApi.parent = {};
windowApi.location.hash = '#origin=g.com&foo&cap=fragment';
const viewer = new Viewer(ampdoc);
const send = sandbox.stub(viewer, 'sendMessageUnreliable_');
send.onFirstCall().returns(Promise.resolve('#from-viewer'));
return viewer.getFragment().then(fragment => {
expect(fragment).to.be.equal('from-viewer');
expect(send.withArgs('fragment', undefined, true)).to.be.calledOnce;
});
});
it('should NOT get fragment in embedded mode ' +
'if the viewer has capability of getting fragment, ' +
'but fragment from the viewer does not start with #', () => {
windowApi.parent = {};
windowApi.location.hash = '#origin=g.com&foo&cap=fragment';
const viewer = new Viewer(ampdoc);
const send = sandbox.stub(viewer, 'sendMessageUnreliable_');
send.onFirstCall().returns(Promise.resolve('from-viewer'));
return viewer.getFragment().then(() => {
throw new Error('should not happen');
}, error => {
expect(error.message).to.match(/should start with #/);
});
});
it('should NOT get fragment from the viewer in embedded mode ' +
'if the viewer does NOT have capability of getting fragment', () => {
windowApi.parent = {};
windowApi.location.hash = '#origin=g.com&foo';
const viewer = new Viewer(ampdoc);
return viewer.getFragment().then(fragment => {
expect(fragment).to.equal('');
});
});
it('should NOT get fragment from the viewer in embedded mode ' +
'if the viewer does NOT return a fragment', () => {
windowApi.parent = {};
windowApi.location.hash = '#origin=g.com&foo&cap=fragment';
const viewer = new Viewer(ampdoc);
const send = sandbox.stub(viewer, 'sendMessageUnreliable_');
send.onFirstCall().returns(Promise.resolve());
return viewer.getFragment().then(fragment => {
expect(fragment).to.equal('');
expect(send.withArgs('fragment', undefined, true)).to.be.calledOnce;
});
});
it('should update fragment of the url in non-embedded mode', () => {
windowApi.parent = windowApi;
windowApi.location.href = 'http://www.example.com#foo';
windowApi.location.hash = '#foo';
const viewer = new Viewer(ampdoc);
return viewer.updateFragment('#bar').then(() => {
expect(windowApi.history.replaceState.callCount).to.equal(1);
const replace = windowApi.history.replaceState.lastCall;
expect(replace.args).to.jsonEqual([{}, '', '#bar']);
});
});
it('should update fragment of the url in non-embedded mode' +
' if the url does not contain fragment previously', () => {
windowApi.parent = windowApi;
windowApi.location.href = 'http://www.example.com';
const viewer = new Viewer(ampdoc);
return viewer.updateFragment('#bar').then(() => {
expect(windowApi.history.replaceState.callCount).to.equal(1);
const replace = windowApi.history.replaceState.lastCall;
expect(replace.args).to.jsonEqual([{}, '', '#bar']);
});
});
it('should update fragment of the viewer in embedded mode ' +
'if the viewer has capability of updating fragment', () => {
windowApi.parent = {};
windowApi.location.hash = '#origin=g.com&foo&cap=fragment';
const viewer = new Viewer(ampdoc);
const send = sandbox.stub(viewer, 'sendMessageUnreliable_');
viewer.updateFragment('#bar');
expect(send.withArgs('fragment', {fragment: '#bar'}, true)).to.be
.calledOnce;
});
it('should NOT update fragment of the viewer in embedded mode ' +
'if the viewer does NOT have capability of updating fragment', () => {
windowApi.parent = {};
windowApi.location.hash = '#foo';
const viewer = new Viewer(ampdoc);
const send = sandbox.stub(viewer, 'sendMessageUnreliable_');
viewer.updateFragment('#bar');
expect(send.callCount).to.equal(0);
});
it('should receive viewport event', () => {
let viewportEvent = null;
viewer.onViewportEvent(event => {
viewportEvent = event;
});
viewer.receiveMessage('viewport', {
paddingTop: 19,
});
expect(viewportEvent).to.not.equal(null);
expect(viewer.getPaddingTop()).to.equal(19);
});
describe('should receive the visibilitychange event', () => {
it('should change prerenderSize', () => {
viewer.receiveMessage('visibilitychange', {
prerenderSize: 4,
});
expect(viewer.getPrerenderSize()).to.equal(4);
});
it('should change visibilityState', () => {
viewer.receiveMessage('visibilitychange', {
state: 'paused',
});
expect(viewer.getVisibilityState()).to.equal('paused');
expect(viewer.isVisible()).to.equal(false);
});
it('should receive "paused" visibilityState', () => {
viewer.receiveMessage('visibilitychange', {
state: 'paused',
});
expect(viewer.getVisibilityState()).to.equal('paused');
expect(viewer.isVisible()).to.equal(false);
});
it('should receive "inactive" visibilityState', () => {
viewer.receiveMessage('visibilitychange', {
state: 'inactive',
});
expect(viewer.getVisibilityState()).to.equal('inactive');
expect(viewer.isVisible()).to.equal(false);
});
it('should parse "hidden" as "prerender" before first visible', () => {
viewer.hasBeenVisible_ = false;
viewer.receiveMessage('visibilitychange', {
state: 'hidden',
});
expect(viewer.getVisibilityState()).to.equal('prerender');
expect(viewer.isVisible()).to.equal(false);
});
it('should parse "hidden" as "inactive" after first visible', () => {
viewer.hasBeenVisible_ = true;
viewer.receiveMessage('visibilitychange', {
state: 'hidden',
});
expect(viewer.getVisibilityState()).to.equal('inactive');
expect(viewer.isVisible()).to.equal(false);
});
it('should reject unknown values', () => {
viewer.receiveMessage('visibilitychange', {
state: 'paused',
});
expect(() => {
viewer.receiveMessage('visibilitychange', {
state: 'what is this',
});
}).to.throw('Unknown VisibilityState value');
expect(viewer.getVisibilityState()).to.equal('paused');
expect(viewer.isVisible()).to.equal(false);
});
it('should be inactive when the viewer tells us we are inactive', () => {
viewer.receiveMessage('visibilitychange', {
state: 'inactive',
});
expect(viewer.getVisibilityState()).to.equal('inactive');
expect(viewer.isVisible()).to.equal(false);
changeVisibility('hidden');
expect(viewer.getVisibilityState()).to.equal('inactive');
expect(viewer.isVisible()).to.equal(false);
});
it('should be prerender when the viewer tells us we are prerender', () => {
viewer.receiveMessage('visibilitychange', {
state: 'prerender',
});
expect(viewer.getVisibilityState()).to.equal('prerender');
expect(viewer.isVisible()).to.equal(false);
changeVisibility('visible');
expect(viewer.getVisibilityState()).to.equal('prerender');
expect(viewer.isVisible()).to.equal(false);
});
it('should be hidden when the browser document is hidden', () => {
changeVisibility('hidden');
viewer.receiveMessage('visibilitychange', {
state: 'visible',
});
expect(viewer.getVisibilityState()).to.equal('hidden');
expect(viewer.isVisible()).to.equal(false);
viewer.receiveMessage('visibilitychange', {
state: 'paused',
});
expect(viewer.getVisibilityState()).to.equal('hidden');
expect(viewer.isVisible()).to.equal(false);
viewer.receiveMessage('visibilitychange', {
state: 'visible',
});
expect(viewer.getVisibilityState()).to.equal('hidden');
expect(viewer.isVisible()).to.equal(false);
});
it('should be paused when the browser document is visible but viewer is' +
'paused', () => {
changeVisibility('visible');
viewer.receiveMessage('visibilitychange', {
state: 'paused',
});
expect(viewer.getVisibilityState()).to.equal('paused');
expect(viewer.isVisible()).to.equal(false);
});
it('should be visible when the browser document is visible', () => {
changeVisibility('visible');
viewer.receiveMessage('visibilitychange', {
state: 'visible',
});
expect(viewer.getVisibilityState()).to.equal('visible');
expect(viewer.isVisible()).to.equal(true);
});
it('should be hidden when the browser document is unknown state', () => {
changeVisibility('what is this');
expect(viewer.getVisibilityState()).to.equal('hidden');
expect(viewer.isVisible()).to.equal(false);
viewer.receiveMessage('visibilitychange', {
state: 'paused',
});
expect(viewer.getVisibilityState()).to.equal('hidden');
expect(viewer.isVisible()).to.equal(false);
});
it('should change visibility on visibilitychange event', () => {
changeVisibility('hidden');
expect(viewer.getVisibilityState()).to.equal('hidden');
expect(viewer.isVisible()).to.equal(false);
changeVisibility('visible');
expect(viewer.getVisibilityState()).to.equal('visible');
expect(viewer.isVisible()).to.equal(true);
viewer.receiveMessage('visibilitychange', {
state: 'hidden',
});
changeVisibility('hidden');
expect(viewer.getVisibilityState()).to.equal('inactive');
expect(viewer.isVisible()).to.equal(false);
changeVisibility('visible');
expect(viewer.getVisibilityState()).to.equal('inactive');
expect(viewer.isVisible()).to.equal(false);
viewer.receiveMessage('visibilitychange', {
state: 'inactive',
});
changeVisibility('hidden');
expect(viewer.getVisibilityState()).to.equal('inactive');
expect(viewer.isVisible()).to.equal(false);
changeVisibility('visible');
expect(viewer.getVisibilityState()).to.equal('inactive');
expect(viewer.isVisible()).to.equal(false);
viewer.receiveMessage('visibilitychange', {
state: 'paused',
});
changeVisibility('hidden');
expect(viewer.getVisibilityState()).to.equal('hidden');
expect(viewer.isVisible()).to.equal(false);
changeVisibility('visible');
expect(viewer.getVisibilityState()).to.equal('paused');
expect(viewer.isVisible()).to.equal(false);
viewer.receiveMessage('visibilitychange', {
state: 'visible',
});
changeVisibility('hidden');
expect(viewer.getVisibilityState()).to.equal('hidden');
expect(viewer.isVisible()).to.equal(false);
changeVisibility('visible');
expect(viewer.getVisibilityState()).to.equal('visible');
expect(viewer.isVisible()).to.equal(true);
});
});
it('should post documentLoaded event', () => {
viewer.postDocumentReady();
const m = viewer.messageQueue_[0];
expect(m.eventType).to.equal('documentLoaded');
expect(m.data.title).to.equal('Awesome doc');
expect(m.data.sourceUrl).to.equal('http://localhost:9876/test/viewer');
});
it('should post scroll event', () => {
viewer.postScroll(111);
const m = viewer.messageQueue_[0];
expect(m.eventType).to.equal('scroll');
expect(m.data.scrollTop).to.equal(111);
});
it('should post request/cancelFullOverlay event', () => {
viewer.requestFullOverlay();
viewer.cancelFullOverlay();
expect(viewer.messageQueue_[0].eventType).to.equal('requestFullOverlay');
expect(viewer.messageQueue_[1].eventType).to.equal('cancelFullOverlay');
});
it('should queue non-dupe events', () => {
viewer.postDocumentReady();
viewer.postDocumentReady();
expect(viewer.messageQueue_.length).to.equal(1);
expect(viewer.messageQueue_[0].eventType).to.equal('documentLoaded');
});
describe('baseCid', () => {
const cidData = JSON.stringify({
time: 100,
cid: 'cid-123',
});
let trustedViewer;
let persistedCidData;
let shouldTimeout;
beforeEach(() => {
shouldTimeout = false;
clock.tick(100);
trustedViewer = true;
persistedCidData = cidData;
sandbox.stub(viewer, 'isTrustedViewer',
() => Promise.resolve(trustedViewer));
sandbox.stub(viewer, 'sendMessage', (message, payload) => {
if (message != 'cid') {
return Promise.reject();
}
if (shouldTimeout) {
return timerFor(window).promise(15000);
}
if (payload) {
persistedCidData = payload;
}
return Promise.resolve(persistedCidData);
});
});
it('should return CID', () => {
const p = expect(viewer.baseCid()).to.eventually.equal(cidData);
p.then(() => {
// This should not trigger a timeout.
clock.tick(100000);
});
return p;
});
it('should not request cid for untrusted viewer', () => {
trustedViewer = false;
return expect(viewer.baseCid()).to.eventually.be.undefined;
});
it('should convert CID returned by legacy API to new format', () => {
persistedCidData = 'cid-123';
return expect(viewer.baseCid()).to.eventually.equal(cidData);
});
it('should send message to store cid', () => {
const newCidData = JSON.stringify({time: 101, cid: 'cid-456'});
return expect(viewer.baseCid(newCidData))
.to.eventually.equal(newCidData);
});
it('should time out', () => {
shouldTimeout = true;
const p = expect(viewer.baseCid()).to.eventually.be.undefined;
Promise.resolve().then(() => {
clock.tick(9999);
Promise.resolve().then(() => {
clock.tick(1);
});
});
return p.then(() => {
// Ticked 100 at start.
expect(Date.now()).to.equal(10100);
});
});
});
it('should dequeue events when deliverer set', () => {
viewer.postDocumentReady();
expect(viewer.messageQueue_.length).to.equal(1);
const delivered = [];
viewer.setMessageDeliverer((eventType, data) => {
delivered.push({eventType, data});
}, 'https://acme.com');
expect(viewer.messageQueue_.length).to.equal(0);
expect(delivered.length).to.equal(1);
expect(delivered[0].eventType).to.equal('documentLoaded');
});
describe('Messaging not embedded', () => {
it('should not expect messaging', () => {
expect(viewer.messagingReadyPromise_).to.be.null;
expect(viewer.messagingMaybePromise_).to.be.null;
});
it('should fail sendMessage', () => {
return viewer.sendMessage('message1', {}, /* awaitResponse */ false)
.then(() => {
throw new Error('should not succeed');
}, error => {
expect(error.message).to.match(/No messaging channel/);
});
});
it('should post broadcast event but not fail', () => {
viewer.broadcast({type: 'type1'});
expect(viewer.messageQueue_.length).to.equal(0);
});
});
describe('Messaging', () => {
beforeEach(() => {
windowApi.parent = {};
viewer = new Viewer(ampdoc);
});
it('should receive broadcast event', () => {
let broadcastMessage = null;
viewer.onBroadcast(message => {
broadcastMessage = message;
});
viewer.receiveMessage('broadcast', {type: 'type1'});
expect(broadcastMessage).to.exist;
expect(broadcastMessage.type).to.equal('type1');
});
it('should post broadcast event', () => {
const delivered = [];
viewer.setMessageDeliverer((eventType, data) => {
delivered.push({eventType, data});
}, 'https://acme.com');
viewer.broadcast({type: 'type1'});
expect(viewer.messageQueue_.length).to.equal(0);
return viewer.messagingMaybePromise_.then(() => {
expect(delivered.length).to.equal(1);
const m = delivered[0];
expect(m.eventType).to.equal('broadcast');
expect(m.data.type).to.equal('type1');
});
});
it('should post broadcast event but not fail w/o messaging', () => {
viewer.broadcast({type: 'type1'});
expect(viewer.messageQueue_.length).to.equal(0);
clock.tick(20001);
return viewer.messagingReadyPromise_.then(() => 'OK', () => 'ERROR')
.then(res => {
expect(res).to.equal('ERROR');
return viewer.messagingMaybePromise_;
}).then(() => {
expect(viewer.messageQueue_.length).to.equal(0);
});
});
it('should wait for messaging channel', () => {
let m1Resolved = false;
let m2Resolved = false;
const m1 = viewer.sendMessage('message1', {}, /* awaitResponse */ false)
.then(() => {
m1Resolved = true;
});
const m2 = viewer.sendMessage('message2', {}, /* awaitResponse */ true)
.then(() => {
m2Resolved = true;
});
return Promise.resolve().then(() => {
// Not resolved yet.
expect(m1Resolved).to.be.false;
expect(m2Resolved).to.be.false;
// Set message deliverer.
viewer.setMessageDeliverer(() => {
return Promise.resolve();
}, 'https://acme.com');
expect(m1Resolved).to.be.false;
expect(m2Resolved).to.be.false;
return Promise.all([m1, m2]);
}).then(() => {
// All resolved now.
expect(m1Resolved).to.be.true;
expect(m2Resolved).to.be.true;
});
});
it('should timeout messaging channel', () => {
let m1Resolved = false;
let m2Resolved = false;
const m1 = viewer.sendMessage('message1', {}, /* awaitResponse */ false)
.then(() => {
m1Resolved = true;
});
const m2 = viewer.sendMessage('message2', {}, /* awaitResponse */ true)
.then(() => {
m2Resolved = true;
});
return Promise.resolve().then(() => {
// Not resolved yet.
expect(m1Resolved).to.be.false;
expect(m2Resolved).to.be.false;
// Timeout.
clock.tick(20001);
return Promise.all([m1, m2]);
}).then(() => {
throw new Error('must never be here');
}, () => {
// Not resolved ever.
expect(m1Resolved).to.be.false;
expect(m2Resolved).to.be.false;
});
});
});
describe('isEmbedded', () => {
it('should NOT be embedded when not iframed', () => {
windowApi.parent = windowApi;
windowApi.location.hash = '#origin=g.com';
expect(new Viewer(ampdoc).isEmbedded()).to.be.false;
});
it('should be embedded when iframed w/ "origin" in URL hash', () => {
windowApi.parent = {};
windowApi.location.hash = '#origin=g.com';
expect(new Viewer(ampdoc).isEmbedded()).to.be.ok;
});
it('should NOT be embedded when iframed w/o "origin" in URL hash', () => {
windowApi.parent = {};
windowApi.location.hash = '#';
expect(new Viewer(ampdoc).isEmbedded()).to.be.false;
});
it('should be embedded with "webview=1" param', () => {
windowApi.parent = windowApi;
windowApi.location.hash = '#webview=1';
expect(new Viewer(ampdoc).isEmbedded()).to.be.ok;
});
});
describe('isTrustedViewer', () => {
function test(origin, toBeTrusted) {
const viewer = new Viewer(ampdoc);
expect(viewer.isTrustedViewerOrigin_(origin)).to.equal(toBeTrusted);
}
it('should consider non-trusted when not iframed', () => {
windowApi.parent = windowApi;
windowApi.location.ancestorOrigins = ['https://google.com'];
return new Viewer(ampdoc).isTrustedViewer().then(res => {
expect(res).to.be.false;
});
});
it('should consider trusted by ancestor', () => {
windowApi.parent = {};
windowApi.location.ancestorOrigins = ['https://google.com'];
return new Viewer(ampdoc).isTrustedViewer().then(res => {
expect(res).to.be.true;
});
});
it('should consider non-trusted without ancestor', () => {
windowApi.parent = {};
windowApi.location.ancestorOrigins = [];
return new Viewer(ampdoc).isTrustedViewer().then(res => {
expect(res).to.be.false;
});
});
it('should consider non-trusted with wrong ancestor', () => {
windowApi.parent = {};
windowApi.location.ancestorOrigins = ['https://untrusted.com'];
return new Viewer(ampdoc).isTrustedViewer().then(res => {
expect(res).to.be.false;
});
});
it('should decide trusted on connection with origin', () => {
windowApi.parent = {};
windowApi.location.ancestorOrigins = null;
const viewer = new Viewer(ampdoc);
viewer.setMessageDeliverer(() => {}, 'https://google.com');
return viewer.isTrustedViewer().then(res => {
expect(res).to.be.true;
});
});
it('should NOT allow channel without origin', () => {
windowApi.parent = {};
windowApi.location.ancestorOrigins = null;
const viewer = new Viewer(ampdoc);
expect(() => {
viewer.setMessageDeliverer(() => {});
}).to.throw(/message channel must have an origin/);
});
it('should decide non-trusted on connection with wrong origin', () => {
windowApi.parent = {};
windowApi.location.ancestorOrigins = null;
const viewer = new Viewer(ampdoc);
viewer.setMessageDeliverer(() => {}, 'https://untrusted.com');
return viewer.isTrustedViewer().then(res => {
expect(res).to.be.false;
});
});
it('should give precedence to ancestor', () => {
windowApi.parent = {};
windowApi.location.ancestorOrigins = ['https://google.com'];
const viewer = new Viewer(ampdoc);
viewer.setMessageDeliverer(() => {}, 'https://untrusted.com');
return viewer.isTrustedViewer().then(res => {
expect(res).to.be.true;
});
});
describe('when in webview', () => {
it('should decide trusted on connection with origin', () => {
windowApi.parent = windowApi;
windowApi.location.hash = '#webview=1';
windowApi.location.ancestorOrigins = [];
const viewer = new Viewer(ampdoc);
viewer.setMessageDeliverer(() => {}, 'https://google.com');
return viewer.isTrustedViewer().then(res => {
expect(res).to.be.true;
});
});
it('should NOT allow channel without origin', () => {
windowApi.parent = windowApi;
windowApi.location.hash = '#webview=1';
windowApi.location.ancestorOrigins = [];
const viewer = new Viewer(ampdoc);
expect(() => {
viewer.setMessageDeliverer(() => {});
}).to.throw(/message channel must have an origin/);
});
it('should decide non-trusted on connection with wrong origin', () => {
windowApi.parent = windowApi;
windowApi.location.hash = '#webview=1';
windowApi.location.ancestorOrigins = [];
const viewer = new Viewer(ampdoc);
viewer.setMessageDeliverer(() => {}, 'https://untrusted.com');
return viewer.isTrustedViewer().then(res => {
expect(res).to.be.false;
});
});
it('should NOT give precedence to ancestor', () => {
windowApi.parent = windowApi;
windowApi.location.hash = '#webview=1';
windowApi.location.ancestorOrigins = ['https://google.com'];
const viewer = new Viewer(ampdoc);
viewer.setMessageDeliverer(() => {}, 'https://untrusted.com');
return viewer.isTrustedViewer().then(res => {
expect(res).to.be.false;
});
});
});
describe('when in a fake webview (a bad actor iframe)', () => {
it('should consider trusted by ancestor', () => {
windowApi.parent = {};
windowApi.location.hash = '#origin=g.com&webview=1';
windowApi.location.ancestorOrigins = ['https://google.com'];
return new Viewer(ampdoc).isTrustedViewer().then(res => {
expect(res).to.be.true;
});
});
it('should consider non-trusted without ancestor', () => {
windowApi.parent = {};
windowApi.location.hash = '#origin=g.com&webview=1';
windowApi.location.ancestorOrigins = [];
return new Viewer(ampdoc).isTrustedViewer().then(res => {
expect(res).to.be.false;
});
});
it('should consider non-trusted with wrong ancestor', () => {
windowApi.parent = {};
windowApi.location.hash = '#origin=g.com&webview=1';
windowApi.location.ancestorOrigins = ['https://untrusted.com'];
return new Viewer(ampdoc).isTrustedViewer().then(res => {
expect(res).to.be.false;
});
});
it('should decide trusted on connection with origin', () => {
windowApi.parent = {};
windowApi.location.hash = '#origin=g.com&webview=1';
windowApi.location.ancestorOrigins = null;
const viewer = new Viewer(ampdoc);
viewer.setMessageDeliverer(() => {}, 'https://google.com');
return viewer.isTrustedViewer().then(res => {
expect(res).to.be.true;
});
});
it('should NOT allow channel without origin', () => {
windowApi.parent = {};
windowApi.location.hash = '#origin=g.com&webview=1';
windowApi.location.ancestorOrigins = null;
const viewer = new Viewer(ampdoc);
expect(() => {
viewer.setMessageDeliverer(() => {});
}).to.throw(/message channel must have an origin/);
});
it('should decide non-trusted on connection with wrong origin', () => {
windowApi.parent = {};
windowApi.location.hash = '#origin=g.com&webview=1';
windowApi.location.ancestorOrigins = null;
const viewer = new Viewer(ampdoc);
viewer.setMessageDeliverer(() => {}, 'https://untrusted.com');
return viewer.isTrustedViewer().then(res => {
expect(res).to.be.false;
});
});
it('should give precedence to ancestor', () => {
windowApi.parent = {};
windowApi.location.hash = '#origin=g.com&webview=1';
windowApi.location.ancestorOrigins = ['https://google.com'];
const viewer = new Viewer(ampdoc);
viewer.setMessageDeliverer(() => {}, 'https://untrusted.com');
return viewer.isTrustedViewer().then(res => {
expect(res).to.be.true;
});
});
});
it('should trust domain variations', () => {
test('https://google.com', true);
test('https://www.google.com', true);
test('https://news.google.com', true);
test('https://google.co', true);
test('https://www.google.co', true);