/
test-amp-iframe.js
1264 lines (1180 loc) · 43.7 KB
/
test-amp-iframe.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 {ActionTrust} from '../../../../src/action-constants';
import {AmpIframe, setTrackingIframeTimeoutForTesting} from '../amp-iframe';
import {CommonSignals} from '../../../../src/common-signals';
import {LayoutPriority} from '../../../../src/layout';
import {Services} from '../../../../src/services';
import {
createElementWithAttributes,
whenUpgradedToCustomElement,
} from '../../../../src/dom';
import {isAdLike} from '../../../../src/iframe-helper';
import {poll} from '../../../../testing/iframe';
import {toggleExperiment} from '../../../../src/experiments';
import {user} from '../../../../src/log';
/** @const {number} */
const IFRAME_MESSAGE_TIMEOUT = 50;
describes.realWin(
'amp-iframe',
{
allowExternalResources: true,
amp: {
runtimeOn: true,
extensions: ['amp-iframe'],
ampdoc: 'single',
},
},
env => {
describe('amp-iframe', () => {
let iframeSrc;
let clickableIframeSrc;
let timer;
let ranJs;
let content;
let win;
let doc;
beforeEach(() => {
iframeSrc =
'http://iframe.localhost:' +
location.port +
'/test/fixtures/served/iframe.html';
clickableIframeSrc =
'http://iframe.localhost:' +
location.port +
'/test/fixtures/served/iframe-clicktoplay.html';
win = env.win;
doc = win.document;
timer = Services.timerFor(win);
ranJs = 0;
content = '';
timer = Services.timerFor(env.win);
win.addEventListener('message', message => {
if (typeof message.data != 'string') {
return;
}
if (message.data == 'loaded-iframe') {
ranJs++;
}
if (message.data.indexOf('content-iframe:') == 0) {
content = message.data.replace('content-iframe:', '');
}
});
setTrackingIframeTimeoutForTesting(20);
});
function stubUserAsserts() {
const errors = [];
env.sandbox
.stub(user(), 'assert')
.callsFake((shouldBeTrueish, message) => {
if (!shouldBeTrueish) {
errors.push(message);
}
return shouldBeTrueish;
});
const replay = function() {
if (errors.length > 0) {
throw errors[0];
}
};
replay.errors = errors;
return replay;
}
function waitForJsInIframe(opt_ranJs = 1, opt_timeout = 300) {
return poll(
'waiting for JS to run',
() => {
return ranJs >= opt_ranJs;
},
undefined,
opt_timeout
);
}
function waitForAmpIframeLayoutPromise(doc, ampIframe) {
const viewport = Services.viewportForDoc(doc);
viewport.setScrollTop(600);
return whenUpgradedToCustomElement(ampIframe).then(element => {
return element.signals().whenSignal(CommonSignals.LOAD_END);
});
}
function createAmpIframe(
env,
opt_attributes,
opt_top,
opt_height,
opt_translateY,
opt_container
) {
const doc = env.win.document;
env.win.innerHeight = opt_height;
const attributes = opt_attributes || {
src: iframeSrc,
width: 100,
height: 100,
};
const ampIframe = createElementWithAttributes(
doc,
'amp-iframe',
attributes
);
if (attributes.resizable) {
const overflowEl = doc.createElement('div');
overflowEl.setAttribute('overflow', '');
ampIframe.appendChild(overflowEl);
}
if (attributes.poster) {
const img = createElementWithAttributes(doc, 'amp-img', {
'layout': 'fill',
'src': attributes.poster,
'placeholder': '',
});
ampIframe.appendChild(img);
}
if (opt_container) {
const container = doc.createElement('div');
container.classList.add('i-amphtml-overlay');
container.appendChild(ampIframe);
doc.body.appendChild(container);
} else {
doc.body.appendChild(ampIframe);
}
const viewport = Services.viewportForDoc(doc);
viewport.resize_();
ampIframe.style.top = '600px';
if (opt_top != undefined) {
ampIframe.style.top = opt_top.toString() + 'px';
}
const {top} = ampIframe.style;
ampIframe.style.position = 'absolute'; //opt_position
if (opt_translateY) {
ampIframe.style.transform = `translateY(${opt_translateY}px)`; //'translateY(' + opt_translateY + ')';
}
if (attributes.resizable !== undefined) {
const overflowEl = doc.createElement('div');
overflowEl.setAttribute('overflow', '');
ampIframe.appendChild(overflowEl);
}
if (attributes.poster) {
const img = doc.createElement('amp-img');
img.setAttribute('layout', 'fill');
img.setAttribute('src', attributes.poster);
img.setAttribute('placeholder', '');
ampIframe.appendChild(img);
}
if (attributes.position) {
ampIframe.style.position = attributes.position;
}
viewport.setScrollTop(parseInt(top, 10));
return ampIframe;
}
it('should render iframe', async () => {
const ampIframe = createAmpIframe(env, {
src: iframeSrc,
width: 100,
height: 100,
});
await waitForAmpIframeLayoutPromise(doc, ampIframe);
const impl = ampIframe.implementation_;
const iframe = ampIframe.querySelector('iframe');
expect(iframe.src).to.equal(iframeSrc + '#amp=1');
expect(iframe.getAttribute('sandbox')).to.equal('');
const scrollWrapper = ampIframe.querySelector(
'i-amphtml-scroll-container'
);
expect(iframe.parentNode).to.equal(scrollWrapper);
expect(impl.looksLikeTrackingIframe_()).to.be.false;
expect(impl.getLayoutPriority()).to.equal(LayoutPriority.CONTENT);
await timer.promise(IFRAME_MESSAGE_TIMEOUT);
expect(ranJs).to.equal(0);
});
it('should only propagate supported attributes', function*() {
const ampIframe = createAmpIframe(env, {
src: iframeSrc,
width: 100,
height: 100,
title: 'example title',
allowfullscreen: '',
allowpaymentrequest: '',
allowtransparency: '',
allow: 'microphone; camera',
referrerpolicy: 'no-referrer',
frameborder: 3,
tabindex: -1,
longdesc: 'foo',
marginwidth: 5,
});
yield waitForAmpIframeLayoutPromise(doc, ampIframe);
const iframe = ampIframe.querySelector('iframe');
expect(iframe.getAttribute('allowfullscreen')).to.equal('');
expect(iframe.getAttribute('allowpaymentrequest')).to.equal('');
expect(iframe.getAttribute('allowtransparency')).to.equal('');
expect(iframe.getAttribute('allow')).to.equal('microphone; camera');
expect(iframe.getAttribute('referrerpolicy')).to.equal('no-referrer');
expect(iframe.getAttribute('frameborder')).to.equal('3');
expect(iframe.getAttribute('tabindex')).to.equal('-1');
expect(iframe.getAttribute('title')).to.equal('example title');
// unsupported attributes
expect(iframe.getAttribute('longdesc')).to.be.null;
expect(iframe.getAttribute('marginwidth')).to.be.null;
});
// This is temporary.
// TODO(aghassemi, #21247)
it('should disable allow=autoplay', function*() {
const ampIframe = createAmpIframe(env, {
src: iframeSrc,
width: 100,
height: 100,
allow: 'microphone; autoplay; camera',
});
yield waitForAmpIframeLayoutPromise(doc, ampIframe);
const iframe = ampIframe.querySelector('iframe');
expect(iframe.getAttribute('allow')).to.equal(
'microphone; autoplay-disabled; camera'
);
});
it('should default frameborder to 0 if not set', function*() {
const ampIframe = createAmpIframe(env, {
src: iframeSrc,
width: 100,
height: 100,
});
yield waitForAmpIframeLayoutPromise(doc, ampIframe);
const iframe = ampIframe.querySelector('iframe');
expect(iframe.getAttribute('frameborder')).to.equal('0');
});
it('should allow JS and propagate scrolling and have lower priority', function*() {
const ampIframe = createAmpIframe(env, {
src: iframeSrc,
sandbox: 'allow-scripts',
width: 320,
height: 250,
scrolling: 'no',
});
yield waitForAmpIframeLayoutPromise(doc, ampIframe);
expect(ampIframe.implementation_.getLayoutPriority()).to.equal(
LayoutPriority.ADS
);
expect(ampIframe.getAttribute('sandbox')).to.equal('allow-scripts');
return waitForJsInIframe().then(() => {
expect(ranJs).to.equal(1);
expect(ampIframe.querySelector('i-amphtml-scroll-container')).to.be
.null;
});
});
it('should not render at the top', async () => {
expectAsyncConsoleError(/position/);
const ampIframe = createAmpIframe(
env,
{
src: iframeSrc,
sandbox: 'allow-scripts',
width: 100,
height: 100,
},
599,
1000
);
await whenUpgradedToCustomElement(ampIframe);
await ampIframe.signals().whenSignal(CommonSignals.LOAD_START);
});
it('should respect translations', function*() {
expectAsyncConsoleError(/position/);
const ampIframe = createAmpIframe(
env,
{
src: iframeSrc,
sandbox: 'allow-scripts',
width: 100,
height: 100,
},
650,
1000,
-600
);
yield whenUpgradedToCustomElement(ampIframe);
yield ampIframe.signals().whenSignal(CommonSignals.LOAD_START);
});
it('should render if further than 75% vh away from top', function*() {
const ampIframe = createAmpIframe(
env,
{
src: iframeSrc,
sandbox: 'allow-scripts',
width: 100,
height: 100,
},
75,
100
);
yield waitForAmpIframeLayoutPromise(doc, ampIframe);
expect(ampIframe.querySelector('iframe')).to.not.be.null;
});
it('should deny http', async () => {
const asserts = stubUserAsserts();
const ampIframe = createAmpIframe(env, {
src: 'http://google.com/fpp',
sandbox: 'allow-scripts',
width: 100,
height: 100,
});
await waitForAmpIframeLayoutPromise(doc, ampIframe);
expect(asserts).to.throw(/Must start with https/);
});
it('should allow data-uri', function*() {
const dataUri =
'data:text/html;charset=utf-8;base64,' +
'PHNjcmlwdD5kb2N1bWVudC53cml0ZSgnUiAnICsgZG9jdW1lbnQucmVmZXJyZXIgK' +
'yAnLCAnICsgbG9jYXRpb24uaHJlZik8L3NjcmlwdD4=';
const ampIframe = createAmpIframe(env, {
src: dataUri,
width: 100,
height: 100,
});
yield waitForAmpIframeLayoutPromise(doc, ampIframe);
const iframe = ampIframe.querySelector('iframe');
expect(iframe.src).to.equal(dataUri);
expect(iframe.getAttribute('sandbox')).to.equal('');
const scrollWrapper = ampIframe.querySelector(
'i-amphtml-scroll-container'
);
expect(iframe.parentNode).to.equal(scrollWrapper);
yield timer.promise(IFRAME_MESSAGE_TIMEOUT);
expect(ranJs).to.equal(0);
});
it('should support srcdoc', function*() {
const ampIframe = createAmpIframe(env, {
width: 100,
height: 100,
sandbox: 'allow-scripts',
srcdoc:
'<div id="content"><p>௵Z加䅌ਇ☎Èʘغޝ</p></div>' +
'<script>try{parent.location.href}catch(e){' +
"parent./*OK*/postMessage('loaded-iframe', '*');" +
"var c = document.querySelector('#content').innerHTML;" +
"parent./*OK*/postMessage('content-iframe:' + c, '*');" +
'}</script>',
});
yield waitForAmpIframeLayoutPromise(doc, ampIframe);
const iframe = ampIframe.querySelector('iframe');
expect(iframe.src).to.match(/^data\:text\/html;charset=utf-8;base64,/);
expect(iframe.getAttribute('srcdoc')).to.be.null;
expect(iframe.getAttribute('sandbox')).to.equal('allow-scripts');
const scrollWrapper = ampIframe.querySelector(
'i-amphtml-scroll-container'
);
expect(iframe.parentNode).to.equal(scrollWrapper);
return waitForJsInIframe().then(() => {
expect(ranJs).to.equal(1);
expect(content).to.equal('<p>௵Z加䅌ਇ☎Èʘغޝ</p>');
});
});
it('should deny srcdoc with allow-same-origin', async () => {
const asserts = stubUserAsserts();
const ampIframe = createAmpIframe(env, {
width: 100,
height: 100,
sandbox: 'allow-same-origin',
srcdoc: 'test',
});
await waitForAmpIframeLayoutPromise(doc, ampIframe);
expect(asserts).to.throw(/allow-same-origin.*srcdoc/);
});
it('should deny data uri with allow-same-origin', async () => {
const asserts = stubUserAsserts();
const ampIframe = createAmpIframe(env, {
width: 100,
height: 100,
sandbox: 'allow-same-origin',
src:
'data:text/html;charset=utf-8;base64,' +
'PHNjcmlwdD5kb2N1bWVudC53cml0ZSgnUiAnICsgZG9jdW1lbnQucmVmZXJyZXIgK' +
'yAnLCAnICsgbG9jYXRpb24uaHJlZik8L3NjcmlwdD4=',
});
await waitForAmpIframeLayoutPromise(doc, ampIframe);
expect(asserts).to.throw(/amp-iframe-origin-policy.md/);
});
it('should deny DATA uri with allow-same-origin', async () => {
const asserts = stubUserAsserts();
const ampIframe = createAmpIframe(env, {
width: 100,
height: 100,
sandbox: 'allow-same-origin',
src:
'DATA:text/html;charset=utf-8;base64,' +
'PHNjcmlwdD5kb2N1bWVudC53cml0ZSgnUiAnICsgZG9jdW1lbnQucmVmZXJyZXIgK' +
'yAnLCAnICsgbG9jYXRpb24uaHJlZik8L3NjcmlwdD4=',
});
await waitForAmpIframeLayoutPromise(doc, ampIframe);
expect(asserts).to.throw(/amp-iframe-origin-policy.md/);
});
it('should deny same origin', () => {
const ampIframe = createAmpIframe(env);
const impl = ampIframe.implementation_;
allowConsoleError(() => {
expect(() => {
impl.assertSource_(
'https://google.com/fpp',
'https://google.com/abc',
'allow-same-origin'
);
}).to.throw(/must not be equal to container/);
});
allowConsoleError(() => {
expect(() => {
impl.assertSource_(
'https://google.com/fpp',
'https://google.com/abc',
'Allow-same-origin'
);
}).to.throw(/must not be equal to container/);
});
allowConsoleError(() => {
expect(() => {
impl.assertSource_(
'https://google.com/fpp',
'https://google.com/abc',
'allow-same-origin allow-scripts'
);
}).to.throw(/must not be equal to container/);
});
// Same origin, but sandboxed.
impl.assertSource_(
'https://google.com/fpp',
'https://google.com/abc',
''
);
allowConsoleError(() => {
expect(() => {
impl.assertSource_('http://google.com/', 'https://foo.com', '');
}).to.throw(/Must start with https/);
});
allowConsoleError(() => {
expect(() => {
impl.assertSource_('./foo', location.href, 'allow-same-origin');
}).to.throw(/must not be equal to container/);
});
impl.assertSource_(
'http://iframe.localhost:123/foo',
'https://foo.com',
''
);
impl.assertSource_('https://container.com', 'https://foo.com', '');
ampIframe.setAttribute('srcdoc', 'abc');
ampIframe.setAttribute('sandbox', 'allow-same-origin');
allowConsoleError(() => {
expect(() => {
impl.transformSrcDoc_(
'<script>try{parent.location.href}catch(e){' +
"parent.parent./*OK*/postMessage('loaded-iframe', '*');}" +
'</script>',
'Allow-Same-Origin'
);
}).to.throw(
/allow-same-origin is not allowed with the srcdoc attribute/
);
});
allowConsoleError(() => {
expect(() => {
impl.assertSource_(
'https://3p.ampproject.net:999/t',
'https://google.com/abc'
);
}).to.throw(/not allow embedding of frames from ampproject\.\*/);
});
allowConsoleError(() => {
expect(() => {
impl.assertSource_(
'https://3p.ampproject.net:999/t',
'https://google.com/abc'
);
}).to.throw(/not allow embedding of frames from ampproject\.\*/);
});
});
it('should transform source', () => {
const ampIframe = createAmpIframe(env);
const impl = ampIframe.implementation_;
// null -> undefined
expect(impl.transformSrc_(null)).to.be.undefined;
// data: is unchanged
expect(impl.transformSrc_('data:abc')).to.equal('data:abc');
// URL with fragment is unchanged.
expect(impl.transformSrc_('https://example.com/#1')).to.equal(
'https://example.com/#1'
);
// URL w/o fragment is modified.
expect(impl.transformSrc_('https://example.com/')).to.equal(
'https://example.com/#amp=1'
);
// URL with empty fragment is modified.
expect(impl.transformSrc_('https://example.com/#')).to.equal(
'https://example.com/#amp=1'
);
});
it('should listen for resize events', function*() {
const ampIframe = createAmpIframe(env, {
src: iframeSrc,
sandbox: 'allow-scripts allow-same-origin',
width: 100,
height: 100,
resizable: '',
});
yield waitForAmpIframeLayoutPromise(doc, ampIframe);
const impl = ampIframe.implementation_;
return new Promise((resolve, unusedReject) => {
impl.updateSize_ = (height, width) => {
resolve({height, width});
};
const iframe = ampIframe.querySelector('iframe');
iframe.contentWindow.postMessage(
{
sentinel: 'amp-test',
type: 'requestHeight',
height: 217,
width: 113,
},
'*'
);
}).then(res => {
expect(res.height).to.equal(217);
expect(res.width).to.equal(113);
});
});
it('should allow resize events w/o allow-same-origin', function*() {
const ampIframe = createAmpIframe(env, {
src: iframeSrc,
sandbox: 'allow-scripts',
width: 100,
height: 100,
resizable: '',
});
yield waitForAmpIframeLayoutPromise(doc, ampIframe);
const impl = ampIframe.implementation_;
return new Promise((resolve, unusedReject) => {
impl.updateSize_ = (height, width) => {
resolve({height, width});
};
const iframe = ampIframe.querySelector('iframe');
iframe.contentWindow.postMessage(
{
sentinel: 'amp-test',
type: 'requestHeight',
height: 217,
width: 113,
},
'*'
);
}).then(res => {
expect(res.height).to.equal(217);
expect(res.width).to.equal(113);
});
});
it('should allow resize events w/ srcdoc', function*() {
const srcdoc = `
<!doctype html>
<html>
<body>
<script>
setTimeout(() => {
window.parent.postMessage({
sentinel: 'amp',
type: 'embed-size',
height: 200,
width: 300,
}, '*');
}, 100);
</script>
</body>
</html>
`;
const ampIframe = createAmpIframe(env, {
srcdoc,
sandbox: 'allow-scripts',
width: 100,
height: 100,
resizable: '',
});
yield waitForAmpIframeLayoutPromise(doc, ampIframe);
const impl = ampIframe.implementation_;
return new Promise((resolve, unusedReject) => {
impl.updateSize_ = (height, width) => {
resolve({height, width});
};
}).then(res => {
expect(res.height).to.equal(200);
expect(res.width).to.equal(300);
});
});
it('should only error once for embed-size requests when non-resizable', function*() {
expectAsyncConsoleError(/Ignoring embed-size request/);
const ampIframe = createAmpIframe(env, {
src: iframeSrc,
sandbox: 'allow-scripts',
width: 100,
height: 100,
});
yield waitForAmpIframeLayoutPromise(doc, ampIframe);
console.error.restore();
const userError = env.sandbox.spy(console, 'error');
const impl = ampIframe.implementation_;
impl.updateSize_(217, 114);
expect(impl.hasErroredEmbedSize_).to.be.true;
impl.updateSize_(328, 225);
impl.updateSize_(439, 336);
expect(userError).to.have.callCount(1);
});
it('should resize amp-iframe', function*() {
const ampIframe = createAmpIframe(env, {
src: iframeSrc,
sandbox: 'allow-scripts',
width: 100,
height: 100,
resizable: '',
});
yield waitForAmpIframeLayoutPromise(doc, ampIframe);
const impl = ampIframe.implementation_;
const attemptChangeSize = env.sandbox.spy(impl, 'attemptChangeSize');
impl.updateSize_(217, '114' /* be tolerant to string number */);
expect(attemptChangeSize).to.be.calledWith(217, 114);
});
it('should resize amp-iframe when only height is provided', function*() {
const ampIframe = createAmpIframe(env, {
src: iframeSrc,
sandbox: 'allow-scripts',
width: 100,
height: 100,
resizable: '',
});
yield waitForAmpIframeLayoutPromise(doc, ampIframe);
const impl = ampIframe.implementation_;
const attemptChangeSize = env.sandbox.spy(impl, 'attemptChangeSize');
impl.updateSize_(217);
expect(attemptChangeSize).to.be.calledOnce;
expect(attemptChangeSize.firstCall.args[0]).to.equal(217);
expect(attemptChangeSize.firstCall.args[1]).to.be.undefined;
});
it('should not resize amp-iframe if request height is small', function*() {
expectAsyncConsoleError(/resize height is less than 100px/);
const ampIframe = createAmpIframe(env, {
src: iframeSrc,
sandbox: 'allow-scripts',
width: 100,
height: 100,
resizable: '',
});
yield waitForAmpIframeLayoutPromise(doc, ampIframe);
const impl = ampIframe.implementation_;
const attemptChangeSize = env.sandbox.spy(impl, 'attemptChangeSize');
impl.updateSize_(50, 114);
expect(attemptChangeSize).to.have.not.been.called;
});
it('should not resize amp-iframe if it is non-resizable', function*() {
expectAsyncConsoleError(/iframe is not resizable/);
const ampIframe = createAmpIframe(env, {
src: iframeSrc,
sandbox: 'allow-scripts',
width: 100,
height: 100,
});
yield waitForAmpIframeLayoutPromise(doc, ampIframe);
const impl = ampIframe.implementation_;
const attemptChangeSize = env.sandbox.spy(impl, 'attemptChangeSize');
impl.updateSize_(217, 114);
expect(attemptChangeSize).to.have.not.been.called;
});
it('should listen for embed-ready event', function*() {
const activateIframeSpy_ = window.sandbox./*OK*/ spy(
AmpIframe.prototype,
'activateIframe_'
);
const ampIframe = createAmpIframe(env, {
src: clickableIframeSrc,
sandbox: 'allow-scripts allow-same-origin',
width: 480,
height: 360,
poster: 'https://i.ytimg.com/vi/cMcCTVAFBWM/hqdefault.jpg',
});
yield waitForAmpIframeLayoutPromise(doc, ampIframe);
const iframe = ampIframe.querySelector('iframe');
yield timer.promise(100);
expect(iframe.style.zIndex).to.equal('0');
expect(activateIframeSpy_).to.have.callCount(2);
});
it('should detect non-tracking iframe', function*() {
const ampIframe = createAmpIframe(env, {
src: clickableIframeSrc,
sandbox: 'allow-scripts allow-same-origin',
width: 11,
height: 11,
poster: 'https://i.ytimg.com/vi/cMcCTVAFBWM/hqdefault.jpg',
});
yield waitForAmpIframeLayoutPromise(doc, ampIframe);
const impl = ampIframe.implementation_;
expect(impl.looksLikeTrackingIframe_()).to.be.false;
});
it('should detect tracking iframes', function*() {
expectAsyncConsoleError(/Only 1 analytics\/tracking iframe allowed/);
const ampIframe1 = createAmpIframe(env, {
src: clickableIframeSrc,
sandbox: 'allow-scripts allow-same-origin',
width: 5,
height: 5,
poster: 'https://i.ytimg.com/vi/cMcCTVAFBWM/hqdefault.jpg',
});
const ampIframe2 = createAmpIframe(env, {
src: clickableIframeSrc,
sandbox: 'allow-scripts allow-same-origin',
width: 10,
height: 10,
poster: 'https://i.ytimg.com/vi/cMcCTVAFBWM/hqdefault.jpg',
});
const ampIframe3 = createAmpIframe(env, {
src: clickableIframeSrc,
sandbox: 'allow-scripts allow-same-origin',
width: 100,
height: 100,
poster: 'https://i.ytimg.com/vi/cMcCTVAFBWM/hqdefault.jpg',
});
yield waitForAmpIframeLayoutPromise(doc, ampIframe1);
yield waitForAmpIframeLayoutPromise(doc, ampIframe2);
yield waitForAmpIframeLayoutPromise(doc, ampIframe3);
// 5*5
const impl1 = ampIframe1.implementation_;
// 10*10
const impl2 = ampIframe2.implementation_;
// 100*100
const impl3 = ampIframe3.implementation_;
// appended amp-iframe 5x5
expect(impl1.looksLikeTrackingIframe_()).to.be.true;
// appended amp-iframe 10x10
expect(impl2.looksLikeTrackingIframe_()).to.be.true;
expect(impl2.getLayoutPriority()).to.equal(LayoutPriority.METADATA);
// appended amp-iframe 100x100
expect(impl3.looksLikeTrackingIframe_()).to.be.false;
expect(impl3.getLayoutPriority()).to.equal(LayoutPriority.CONTENT);
yield Services.timerFor(env.win).promise(21);
expect(doc.querySelectorAll('[amp-removed]')).to.have.length(1);
expect(doc.querySelectorAll('iframe')).to.have.length(1);
expect(ampIframe3.querySelector('iframe')).to.not.be.null;
});
it('should not detect traking iframe in amp container', function*() {
expectAsyncConsoleError(/Only 1 analytics\/tracking iframe allowed/);
const ampIframeRealTracking = createAmpIframe(env, {
src: iframeSrc,
width: 5,
height: 5,
});
const ampIframeInLightbox = createAmpIframe(
env,
{
src: iframeSrc,
width: 5,
height: 5,
},
undefined,
undefined,
undefined,
true
);
const ampIframe = createAmpIframe(env);
yield waitForAmpIframeLayoutPromise(doc, ampIframeRealTracking);
yield waitForAmpIframeLayoutPromise(doc, ampIframeInLightbox);
yield waitForAmpIframeLayoutPromise(doc, ampIframe);
expect(ampIframeRealTracking.implementation_.looksLikeTrackingIframe_())
.to.be.true;
expect(ampIframe.implementation_.looksLikeTrackingIframe_()).to.be
.false;
expect(ampIframeInLightbox.implementation_.looksLikeTrackingIframe_())
.to.be.false;
});
it('should correctly classify ads', () => {
function e(width, height) {
return {
getLayoutBox() {
return {width, height};
},
};
}
expect(isAdLike(e(300, 250))).to.be.true;
expect(isAdLike(e(320, 270))).to.be.true;
expect(isAdLike(e(299, 249))).to.be.false;
expect(isAdLike(e(320, 100))).to.be.true;
expect(isAdLike(e(335, 100))).to.be.true;
expect(isAdLike(e(341, 100))).to.be.false;
});
it('should not render fixed ad', function*() {
expectAsyncConsoleError(/not used for displaying fixed ad/);
const ampIframe = createAmpIframe(
env,
{
src: iframeSrc,
sandbox: 'allow-scripts allow-same-origin',
width: 300,
height: 250,
position: 'fixed',
},
0
);
yield whenUpgradedToCustomElement(ampIframe);
yield ampIframe.signals().whenSignal(CommonSignals.LOAD_START);
});
it('should not cache intersection box', function*() {
const ampIframe = createAmpIframe(env, {
src: iframeSrc,
sandbox: 'allow-scripts allow-same-origin',
width: 300,
height: 250,
});
yield waitForAmpIframeLayoutPromise(doc, ampIframe);
const impl = ampIframe.implementation_;
const stub = env.sandbox.stub(impl, 'getLayoutBox');
const box = {
top: 100,
bottom: 200,
left: 0,
right: 100,
width: 100,
height: 100,
};
stub.returns(box);
impl.onLayoutMeasure();
const intersection = impl.getIntersectionElementLayoutBox();
// Simulate a fixed position element "moving" 100px by scrolling down
// the page.
box.top += 100;
box.bottom += 100;
const newIntersection = impl.getIntersectionElementLayoutBox();
expect(newIntersection).not.to.deep.equal(intersection);
expect(newIntersection.top).to.equal(intersection.top + 100);
expect(newIntersection.width).to.equal(300);
expect(newIntersection.height).to.equal(250);
});
it('should propagate `src` when container attribute is mutated', function*() {
const ampIframe = createAmpIframe(env, {
src: iframeSrc,
width: 100,
height: 100,
});
yield waitForAmpIframeLayoutPromise(doc, ampIframe);
const impl = ampIframe.implementation_;
const iframe = ampIframe.querySelector('iframe');
const newSrc = 'https://foo.bar';
ampIframe.setAttribute('src', newSrc);
impl.mutatedAttributesCallback({src: newSrc});
expect(impl.iframeSrc).to.contain(newSrc);
expect(iframe.getAttribute('src')).to.contain(newSrc);
});
it('should propagate `title` when container attribute is mutated', function*() {
const ampIframe = createAmpIframe(env, {
src: iframeSrc,
width: 100,
height: 100,
title: 'foo',
});
yield waitForAmpIframeLayoutPromise(doc, ampIframe);
const impl = ampIframe.implementation_;
const iframe = ampIframe.querySelector('iframe');
const newTitle = 'bar';
ampIframe.setAttribute('title', newTitle);
impl.mutatedAttributesCallback({title: newTitle});
expect(impl.iframe_.title).to.equal(newTitle);
expect(iframe.getAttribute('title')).to.equal(newTitle);
});
describe('throwIfCannotNavigate()', () => {
it('should do nothing if top navigation is allowed', function*() {
const ampIframe = createAmpIframe(env, {
src: iframeSrc,
sandbox: 'allow-scripts allow-same-origin allow-top-navigation',
width: 300,
height: 250,
});
yield waitForAmpIframeLayoutPromise(doc, ampIframe);
const impl = ampIframe.implementation_;
// Should be allowed if `allow-top-navigation` is set.
expect(() => impl.throwIfCannotNavigate()).to.not.throw();
});
it('should throw error if top navigation is not allowed', function*() {
const ampIframe = createAmpIframe(env, {
src: iframeSrc,
sandbox: 'allow-scripts allow-same-origin',
width: 300,
height: 250,
});
yield waitForAmpIframeLayoutPromise(doc, ampIframe);
const impl = ampIframe.implementation_;
// Should be allowed if `allow-top-navigation` is set.
expect(() => impl.throwIfCannotNavigate()).to.throw(
/allow-top-navigation/
);
});
});
describe('two-way messaging', function() {
let messagingSrc;
beforeEach(() => {
messagingSrc =
'http://iframe.localhost:' +
location.port +
'/test/fixtures/served/iframe-messaging.html';
toggleExperiment(win, 'iframe-messaging', true, true);
});
afterEach(() => {
toggleExperiment(win, 'iframe-messaging', false, true);
});
it('should support "postMessage" action', function*() {
const ampIframe = createAmpIframe(env, {
src: messagingSrc,