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test-amp-a4a.js
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test-amp-a4a.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 {FetchMock, networkFailure} from './fetch-mock';
import {MockA4AImpl, TEST_URL} from './utils';
import {createIframePromise} from '../../../../testing/iframe';
import {
AmpA4A,
RENDERING_TYPE_HEADER,
DEFAULT_SAFEFRAME_VERSION,
SAFEFRAME_VERSION_HEADER,
protectFunctionWrapper,
assignAdUrlToError,
} from '../amp-a4a';
import {AMP_SIGNATURE_HEADER} from '../signature-verifier';
import {FriendlyIframeEmbed} from '../../../../src/friendly-iframe-embed';
import {Signals} from '../../../../src/utils/signals';
import {Extensions} from '../../../../src/service/extensions-impl';
import {Viewer} from '../../../../src/service/viewer-impl';
import {cancellation} from '../../../../src/error';
import {
data as validCSSAmp,
} from './testdata/valid_css_at_rules_amp.reserialized';
import {data as testFragments} from './testdata/test_fragments';
import {
resetScheduledElementForTesting,
} from '../../../../src/service/custom-element-registry';
import {Services} from '../../../../src/services';
import {incrementLoadingAds} from '../../../amp-ad/0.1/concurrent-load';
import '../../../../extensions/amp-ad/0.1/amp-ad-xorigin-iframe-handler';
import {dev, user} from '../../../../src/log';
import {createElementWithAttributes} from '../../../../src/dom';
import {layoutRectLtwh} from '../../../../src/layout-rect';
import {installDocService} from '../../../../src/service/ampdoc-impl';
import * as sinon from 'sinon';
// The following namespaces are imported so that we can stub and spy on certain
// methods in tests.
import * as analytics from '../../../../src/analytics';
import * as analyticsExtension from '../../../../src/extension-analytics';
// Need the following side-effect import because in actual production code,
// Fast Fetch impls are always loaded via an AmpAd tag, which means AmpAd is
// always available for them. However, when we test an impl in isolation,
// AmpAd is not loaded already, so we need to load it separately.
import '../../../amp-ad/0.1/amp-ad';
describe('amp-a4a', () => {
let sandbox;
let fetchMock;
let getSigningServiceNamesMock;
let viewerWhenVisibleMock;
let adResponse;
let onCreativeRenderSpy;
let getResourceStub;
beforeEach(() => {
sandbox = sinon.sandbox.create();
fetchMock = null;
getSigningServiceNamesMock = sandbox.stub(AmpA4A.prototype,
'getSigningServiceNames');
onCreativeRenderSpy =
sandbox.spy(AmpA4A.prototype, 'onCreativeRender');
getSigningServiceNamesMock.returns(['google']);
viewerWhenVisibleMock = sandbox.stub(Viewer.prototype, 'whenFirstVisible');
viewerWhenVisibleMock.returns(Promise.resolve());
getResourceStub = sandbox.stub(AmpA4A.prototype, 'getResource');
getResourceStub.returns({
getUpgradeDelayMs: () => 12345,
});
adResponse = {
headers: {
'AMP-Access-Control-Allow-Source-Origin': 'about:srcdoc',
'AMP-Fast-Fetch-Signature': validCSSAmp.signatureHeader,
},
body: validCSSAmp.reserialized,
};
adResponse.headers[AMP_SIGNATURE_HEADER] = validCSSAmp.signatureHeader;
});
afterEach(() => {
if (fetchMock) {
fetchMock./*OK*/restore();
fetchMock = null;
}
sandbox.restore();
resetScheduledElementForTesting(window, 'amp-a4a');
});
function setupForAdTesting(fixture) {
expect(fetchMock).to.be.null;
fetchMock = new FetchMock(fixture.win);
fetchMock.getOnce(
'https://cdn.ampproject.org/amp-ad-verifying-keyset.json', {
body: validCSSAmp.publicKeyset,
status: 200,
headers: {'Content-Type': 'application/jwk-set+json'},
});
installDocService(fixture.win, /* isSingleDoc */ true);
const doc = fixture.doc;
// TODO(a4a-cam@): This is necessary in the short term, until A4A is
// smarter about host document styling. The issue is that it needs to
// inherit the AMP runtime style element in order for shadow DOM-enclosed
// elements to behave properly. So we have to set up a minimal one here.
const ampStyle = doc.createElement('style');
ampStyle.setAttribute('amp-runtime', 'scratch-fortesting');
doc.head.appendChild(ampStyle);
}
function createA4aElement(doc, opt_rect) {
const element = createElementWithAttributes(doc, 'amp-a4a', {
'width': opt_rect ? String(opt_rect.width) : '200',
'height': opt_rect ? String(opt_rect.height) : '50',
'type': 'adsense',
});
element.getAmpDoc = () => {
const ampdocService = Services.ampdocServiceFor(doc.defaultView);
return ampdocService.getAmpDoc(element);
};
element.isBuilt = () => {return true;};
element.getLayoutBox = () => {
return opt_rect || layoutRectLtwh(0, 0, 200, 50);
};
element.getPageLayoutBox = () => {
return element.getLayoutBox.apply(element, arguments);
};
element.getIntersectionChangeEntry = () => {return null;};
const signals = new Signals();
element.signals = () => signals;
element.renderStarted = () => {
signals.signal('render-start');
};
doc.body.appendChild(element);
return element;
}
function buildCreativeString(opt_additionalInfo) {
const baseTestDoc = testFragments.minimalDocOneStyle;
const offsets = Object.assign({}, opt_additionalInfo || {});
offsets.ampRuntimeUtf16CharOffsets = [
baseTestDoc.indexOf('<style amp4ads-boilerplate'),
baseTestDoc.lastIndexOf('</script>') + '</script>'.length,
];
const splicePoint = baseTestDoc.indexOf('</body>');
return baseTestDoc.slice(0, splicePoint) +
'<script type="application/json" amp-ad-metadata>' +
JSON.stringify(offsets) + '</script>' +
baseTestDoc.slice(splicePoint);
}
// Checks that element is an amp-ad that is rendered via A4A.
function verifyA4ARender(element) {
expect(element.tagName.toLowerCase()).to.equal('amp-a4a');
expect(element.querySelectorAll('iframe')).to.have.lengthOf(1);
expect(element.querySelector('iframe[name]')).to.not.be.ok;
expect(element.querySelector('iframe[src]')).to.not.be.ok;
const friendlyChild = element.querySelector('iframe[srcdoc]');
expect(friendlyChild).to.be.ok;
expect(friendlyChild.getAttribute('srcdoc')).to.have.string(
'<html ⚡4ads>');
expect(element).to.be.visible;
expect(friendlyChild).to.be.visible;
}
// Checks that element is an amp-ad that is rendered via SafeFrame.
function verifySafeFrameRender(element, sfVersion) {
expect(element.tagName.toLowerCase()).to.equal('amp-a4a');
expect(element).to.be.visible;
expect(element.querySelectorAll('iframe')).to.have.lengthOf(1);
const safeFrameUrl = 'https://tpc.googlesyndication.com/safeframe/' +
sfVersion + '/html/container.html';
const child = element.querySelector(`iframe[src^="${safeFrameUrl}"][name]`);
expect(child).to.be.ok;
const name = child.getAttribute('name');
expect(name).to.match(/[^;]+;\d+;[\s\S]+/);
const re = /^([^;]+);(\d+);([\s\S]*)$/;
const match = re.exec(name);
expect(match).to.be.ok;
const contentLength = Number(match[2]);
const rest = match[3];
expect(rest.length > contentLength).to.be.true;
const data = JSON.parse(rest.substr(contentLength));
expect(data).to.be.ok;
verifyContext(data._context);
}
function verifyContext(context) {
expect(context).to.be.ok;
expect(context.sentinel).to.be.ok;
expect(context.sentinel).to.match(/((\d+)-\d+)/);
}
// Checks that element is an amp-ad that is rendered via nameframe.
function verifyNameFrameRender(element) {
expect(element.tagName.toLowerCase()).to.equal('amp-a4a');
expect(element).to.be.visible;
expect(element.querySelectorAll('iframe')).to.have.lengthOf(1);
const child = element.querySelector('iframe[src][name]');
expect(child).to.be.ok;
expect(child.src).to.match(/^https?:[^?#]+nameframe(\.max)?\.html/);
const nameData = child.getAttribute('name');
expect(nameData).to.be.ok;
verifyNameData(nameData);
expect(child).to.be.visible;
}
function verifyCachedContentIframeRender(element, srcUrl) {
expect(element.tagName.toLowerCase()).to.equal('amp-a4a');
expect(element).to.be.visible;
expect(element.querySelectorAll('iframe')).to.have.lengthOf(1);
const child = element.querySelector('iframe[src]');
expect(child).to.be.ok;
expect(child.src).to.have.string(srcUrl);
const nameData = child.getAttribute('name');
expect(nameData).to.be.ok;
verifyNameData(nameData);
expect(child).to.be.visible;
}
function verifyNameData(nameData) {
let attributes;
expect(() => {attributes = JSON.parse(nameData);}).not.to.throw(Error);
expect(attributes).to.be.ok;
verifyContext(attributes._context);
}
function verifyA4aAnalyticsTriggersWereFired(a4a, triggerAnalyticsEventSpy) {
expect(triggerAnalyticsEventSpy).to.be.calledWith(
a4a.element, 'ad-request-start', {'time': sinon.match.number});
expect(triggerAnalyticsEventSpy).to.be.calledWith(
a4a.element, 'ad-response-end', {'time': sinon.match.number});
expect(triggerAnalyticsEventSpy).to.be.calledWith(
a4a.element, 'ad-render-start', {'time': sinon.match.number});
expect(triggerAnalyticsEventSpy).to.be.calledWith(
a4a.element, 'ad-render-end', {'time': sinon.match.number});
expect(triggerAnalyticsEventSpy).to.be.calledWith(
a4a.element, 'ad-iframe-loaded', {'time': sinon.match.number});
}
describe('ads are visible', () => {
let a4aElement;
let a4a;
let fixture;
beforeEach(() => createIframePromise().then(f => {
fixture = f;
setupForAdTesting(fixture);
fetchMock.getOnce(
TEST_URL + '&__amp_source_origin=about%3Asrcdoc', () => adResponse,
{name: 'ad'});
a4aElement = createA4aElement(fixture.doc);
a4a = new MockA4AImpl(a4aElement);
a4a.releaseType_ = '0';
return fixture;
}));
it('for SafeFrame rendering case', () => {
// Make sure there's no signature, so that we go down the 3p iframe path.
delete adResponse.headers['AMP-Fast-Fetch-Signature'];
delete adResponse.headers[AMP_SIGNATURE_HEADER];
// If rendering type is safeframe, we SHOULD attach a SafeFrame.
adResponse.headers[RENDERING_TYPE_HEADER] = 'safeframe';
a4a.buildCallback();
const lifecycleEventStub =
sandbox.stub(a4a, 'protectedEmitLifecycleEvent_');
a4a.onLayoutMeasure();
return a4a.layoutCallback().then(() => {
const child = a4aElement.querySelector('iframe[name]');
expect(child).to.be.ok;
expect(child).to.be.visible;
expect(onCreativeRenderSpy.withArgs(null)).to.be.called;
expect(lifecycleEventStub).to.be.calledWith('renderSafeFrameStart',
{'isAmpCreative': false, 'releaseType': '0'});
});
});
it('for ios defaults to SafeFrame rendering', () => {
const platform = Services.platformFor(fixture.win);
sandbox.stub(platform, 'isIos').returns(true);
a4a = new MockA4AImpl(a4aElement);
// Make sure there's no signature, so that we go down the 3p iframe path.
delete adResponse.headers['AMP-Fast-Fetch-Signature'];
delete adResponse.headers[AMP_SIGNATURE_HEADER];
// Ensure no rendering type header (ios on safari will default to
// safeframe).
delete adResponse.headers[RENDERING_TYPE_HEADER];
fixture.doc.body.appendChild(a4aElement);
a4a.buildCallback();
a4a.onLayoutMeasure();
return a4a.layoutCallback().then(() => {
const child = a4aElement.querySelector('iframe[name]');
expect(child).to.be.ok;
expect(child).to.be.visible;
expect(onCreativeRenderSpy.withArgs(null)).to.be.called;
});
});
it('for cached content iframe rendering case', () => {
// Make sure there's no signature, so that we go down the 3p iframe path.
delete adResponse.headers['AMP-Fast-Fetch-Signature'];
delete adResponse.headers[AMP_SIGNATURE_HEADER];
a4a.buildCallback();
a4a.onLayoutMeasure();
return a4a.layoutCallback().then(() => {
const child = a4aElement.querySelector('iframe[src]');
expect(child).to.be.ok;
expect(child).to.be.visible;
expect(onCreativeRenderSpy.withArgs(null)).to.be.called;
});
});
it('populates postAdResponseExperimentFeatures', () => {
a4a.buildCallback();
a4a.onLayoutMeasure();
return a4a.layoutCallback().then(() => {
const child = a4aElement.querySelector('iframe[srcdoc]');
expect(child).to.be.ok;
expect(child.srcdoc.indexOf('meta http-equiv=Content-Security-Policy'))
.to.not.equal(-1);
});
});
it('for A4A friendly iframe rendering case', () => {
expect(a4a.friendlyIframeEmbed_).to.not.exist;
a4a.buildCallback();
a4a.onLayoutMeasure();
return a4a.layoutCallback().then(() => {
const child = a4aElement.querySelector('iframe[srcdoc]');
expect(child).to.be.ok;
expect(child).to.be.visible;
const a4aBody = child.contentDocument.body;
expect(a4aBody).to.be.ok;
expect(a4aBody).to.be.visible;
expect(a4a.friendlyIframeEmbed_).to.exist;
});
});
it('for A4A FIE should wait for initial layout', () => {
let iniLoadResolver;
const iniLoadPromise = new Promise(resolve => {
iniLoadResolver = resolve;
});
const whenIniLoadedStub = sandbox.stub(
FriendlyIframeEmbed.prototype,
'whenIniLoaded',
() => iniLoadPromise);
a4a.buildCallback();
const lifecycleEventStub = sandbox.stub(
a4a, 'protectedEmitLifecycleEvent_');
a4a.onLayoutMeasure();
const layoutPromise = a4a.layoutCallback();
return Promise.resolve().then(() => {
expect(whenIniLoadedStub).to.not.be.called;
iniLoadResolver();
return layoutPromise;
}).then(() => {
expect(a4a.friendlyIframeEmbed_).to.exist;
expect(a4a.friendlyIframeEmbed_.host).to.equal(a4a.element);
expect(whenIniLoadedStub).to.be.calledOnce;
expect(lifecycleEventStub).to.be.calledWith('friendlyIframeIniLoad');
});
});
it('should fire amp-analytics triggers for lifecycle events', () => {
let iniLoadResolver;
const iniLoadPromise = new Promise(resolve => {
iniLoadResolver = resolve;
});
const whenIniLoadedStub = sandbox.stub(
FriendlyIframeEmbed.prototype,
'whenIniLoaded',
() => iniLoadPromise);
a4a.buildCallback();
const triggerAnalyticsEventSpy =
sandbox.spy(analytics, 'triggerAnalyticsEvent');
a4a.onLayoutMeasure();
const layoutPromise = a4a.layoutCallback();
expect(whenIniLoadedStub).to.not.be.called;
iniLoadResolver();
layoutPromise.then(() => {
verifyA4aAnalyticsTriggersWereFired(a4a, triggerAnalyticsEventSpy);
});
});
it('should update embed visibility', () => {
sandbox.stub(a4a, 'isInViewport', () => false);
a4a.buildCallback();
a4a.onLayoutMeasure();
return a4a.layoutCallback().then(() => {
expect(a4a.friendlyIframeEmbed_).to.exist;
expect(a4a.friendlyIframeEmbed_.isVisible()).to.be.false;
a4a.viewportCallback(true);
expect(a4a.friendlyIframeEmbed_.isVisible()).to.be.true;
a4a.viewportCallback(false);
expect(a4a.friendlyIframeEmbed_.isVisible()).to.be.false;
a4a.viewportCallback(true);
expect(a4a.friendlyIframeEmbed_.isVisible()).to.be.true;
});
});
it('for requests from insecure HTTP pages', () => {
sandbox.stub(Services.cryptoFor(fixture.win), 'isPkcsAvailable')
.returns(false);
a4a.buildCallback();
a4a.onLayoutMeasure();
return a4a.layoutCallback().then(() => {
const child = a4aElement.querySelector('iframe[src]');
expect(child).to.be.ok;
expect(child).to.be.visible;
expect(onCreativeRenderSpy.withArgs(null)).to.be.called;
});
});
it('should fire amp-analytics triggers', () => {
const triggerAnalyticsEventSpy =
sandbox.spy(analytics, 'triggerAnalyticsEvent');
a4a.buildCallback();
a4a.onLayoutMeasure();
return a4a.layoutCallback().then(() => {
verifyA4aAnalyticsTriggersWereFired(a4a, triggerAnalyticsEventSpy);
});
});
it('should not fire amp-analytics triggers without config', () => {
sandbox.stub(MockA4AImpl.prototype, 'getA4aAnalyticsConfig', () => null);
a4a = new MockA4AImpl(a4aElement);
const triggerAnalyticsEventSpy =
sandbox.spy(analytics, 'triggerAnalyticsEvent');
a4a.buildCallback();
a4a.onLayoutMeasure();
return a4a.layoutCallback().then(() => {
expect(triggerAnalyticsEventSpy).to.not.be.called;
});
});
it('should insert an amp-analytics element', () => {
sandbox.stub(
MockA4AImpl.prototype, 'getA4aAnalyticsConfig',
() => ({'foo': 'bar'}));
a4a = new MockA4AImpl(a4aElement);
const insertAnalyticsElementSpy =
sandbox.spy(analyticsExtension, 'insertAnalyticsElement');
a4a.buildCallback();
expect(insertAnalyticsElementSpy).to.be.calledWith(
a4a.element, {'foo': 'bar'}, true /* loadAnalytics */);
});
it('should not insert an amp-analytics element if config is null', () => {
sandbox.stub(MockA4AImpl.prototype, 'getA4aAnalyticsConfig', () => null);
a4a = new MockA4AImpl(a4aElement);
const insertAnalyticsElementSpy =
sandbox.spy(analyticsExtension, 'insertAnalyticsElement');
a4a.buildCallback();
expect(insertAnalyticsElementSpy).not.to.be.called;
});
});
describe('layoutCallback cancels properly', () => {
let a4aElement;
let a4a;
let fixture;
beforeEach(() => createIframePromise().then(f => {
fixture = f;
setupForAdTesting(fixture);
fetchMock.getOnce(
TEST_URL + '&__amp_source_origin=about%3Asrcdoc', () => adResponse,
{name: 'ad'});
a4aElement = createA4aElement(fixture.doc);
a4a = new MockA4AImpl(a4aElement);
return fixture;
}));
it('when unlayoutCallback called after adPromise', () => {
a4a.buildCallback();
a4a.onLayoutMeasure();
let promiseResolver;
a4a.adPromise_ = new Promise(resolver => {
promiseResolver = resolver;
});
const layoutCallbackPromise = a4a.layoutCallback();
a4a.unlayoutCallback();
const renderNonAmpCreativeSpy = sandbox.spy(
AmpA4A.prototype, 'renderNonAmpCreative_');
promiseResolver();
layoutCallbackPromise.then(() => {
// We should never get in here.
expect(false).to.be.true;
}).catch(err => {
expect(renderNonAmpCreativeSpy).to.not.be.called;
expect(err).to.be.ok;
expect(err.message).to.equal('CANCELLED');
});
});
it('when unlayoutCallback called before renderAmpCreative_', () => {
a4a.buildCallback();
a4a.onLayoutMeasure();
let promiseResolver;
a4a.renderAmpCreative_ = new Promise(resolver => {
promiseResolver = resolver;
});
const layoutCallbackPromise = a4a.layoutCallback();
a4a.unlayoutCallback();
promiseResolver();
layoutCallbackPromise.then(() => {
// We should never get in here.
expect(false).to.be.true;
}).catch(err => {
expect(err).to.be.ok;
expect(err.message).to.equal('CANCELLED');
});
});
});
describe('cross-domain rendering', () => {
let a4aElement;
let a4a;
let lifecycleEventStub;
beforeEach(() => {
// Make sure there's no signature, so that we go down the 3p iframe path.
delete adResponse.headers['AMP-Fast-Fetch-Signature'];
delete adResponse.headers[AMP_SIGNATURE_HEADER];
// If rendering type is safeframe, we SHOULD attach a SafeFrame.
adResponse.headers[RENDERING_TYPE_HEADER] = 'safeframe';
return createIframePromise().then(fixture => {
setupForAdTesting(fixture);
fetchMock.getOnce(
TEST_URL + '&__amp_source_origin=about%3Asrcdoc', () => adResponse,
{name: 'ad'});
const doc = fixture.doc;
a4aElement = createA4aElement(doc);
a4a = new MockA4AImpl(a4aElement);
a4a.releaseType_ = '0';
a4a.createdCallback();
a4a.firstAttachedCallback();
a4a.buildCallback();
lifecycleEventStub = sandbox.stub(a4a, 'protectedEmitLifecycleEvent_');
expect(onCreativeRenderSpy).to.not.be.called;
});
});
describe('illegal render mode value', () => {
let devErrLogSpy;
beforeEach(() => {
devErrLogSpy = sandbox.spy(dev(), 'error');
// If rendering type is unknown, should fall back to cached content
// iframe and generate an error.
adResponse.headers[RENDERING_TYPE_HEADER] = 'random illegal value';
a4a.onLayoutMeasure();
});
it('should render via cached iframe', () => {
return a4a.layoutCallback().then(() => {
verifyCachedContentIframeRender(a4aElement, TEST_URL);
// Should have reported an error.
expect(devErrLogSpy).to.be.calledOnce;
expect(devErrLogSpy.getCall(0).args[1]).to.have.string(
'random illegal value');
expect(fetchMock.called('ad')).to.be.true;
expect(lifecycleEventStub).to.be.calledWith('renderCrossDomainStart',
{'isAmpCreative': false, 'releaseType': '0'});
});
});
it('should fire amp-analytics triggers for illegal render modes', () => {
const triggerAnalyticsEventSpy =
sandbox.spy(analytics, 'triggerAnalyticsEvent');
return a4a.layoutCallback().then(() => {
verifyA4aAnalyticsTriggersWereFired(a4a, triggerAnalyticsEventSpy);
expect(lifecycleEventStub).to.be.calledWith(
'crossDomainIframeLoaded');
});
});
});
describe('#renderViaNameFrame', () => {
beforeEach(() => {
// If rendering type is nameframe, we SHOULD attach a NameFrame.
adResponse.headers[RENDERING_TYPE_HEADER] = 'nameframe';
a4a.onLayoutMeasure();
});
it('should attach a NameFrame when header is set', () => {
return a4a.layoutCallback().then(() => {
verifyNameFrameRender(a4aElement);
expect(fetchMock.called('ad')).to.be.true;
});
});
it('should make only one NameFrame even if onLayoutMeasure called ' +
'multiple times', () => {
a4a.onLayoutMeasure();
a4a.onLayoutMeasure();
a4a.onLayoutMeasure();
a4a.onLayoutMeasure();
return a4a.layoutCallback().then(() => {
verifyNameFrameRender(a4aElement);
expect(fetchMock.called('ad')).to.be.true;
});
});
['', 'client_cache', 'safeframe', 'some_random_thing'].forEach(
headerVal => {
it(`should not attach a NameFrame when header is ${headerVal}`,
() => {
// Make sure there's no signature, so that we go down the 3p iframe path.
delete adResponse.headers['AMP-Fast-Fetch-Signature'];
delete adResponse.headers[AMP_SIGNATURE_HEADER];
// If rendering type is anything but nameframe, we SHOULD NOT
// attach a NameFrame.
adResponse.headers[RENDERING_TYPE_HEADER] = headerVal;
a4a.onLayoutMeasure();
return a4a.layoutCallback().then(() => {
const nameChild = a4aElement.querySelector(
'iframe[src^="nameframe"]');
expect(nameChild).to.not.be.ok;
if (headerVal != 'safeframe') {
const unsafeChild = a4aElement.querySelector('iframe');
expect(unsafeChild).to.be.ok;
expect(unsafeChild.getAttribute('src')).to.have.string(
TEST_URL);
}
expect(fetchMock.called('ad')).to.be.true;
});
});
});
it('should fire amp-analytics triggers for lifecycle stages', () => {
const triggerAnalyticsEventSpy =
sandbox.spy(analytics, 'triggerAnalyticsEvent');
return a4a.layoutCallback().then(() => {
verifyA4aAnalyticsTriggersWereFired(a4a, triggerAnalyticsEventSpy);
expect(lifecycleEventStub).to.be.calledWith(
'crossDomainIframeLoaded');
});
});
});
describe('#renderViaSafeFrame', () => {
beforeEach(() => {
// If rendering type is safeframe, we SHOULD attach a SafeFrame.
adResponse.headers[RENDERING_TYPE_HEADER] = 'safeframe';
a4a.onLayoutMeasure();
});
it('should attach a SafeFrame when header is set', () => {
return a4a.layoutCallback().then(() => {
verifySafeFrameRender(a4aElement, DEFAULT_SAFEFRAME_VERSION);
expect(fetchMock.called('ad')).to.be.true;
});
});
it('should use safeframe version header value', () => {
a4a.safeframeVersion = '1-2-3';
return a4a.layoutCallback().then(() => {
verifySafeFrameRender(a4aElement, '1-2-3');
expect(fetchMock.called('ad')).to.be.true;
});
});
it('should make only one SafeFrame even if onLayoutMeasure called ' +
'multiple times', () => {
a4a.onLayoutMeasure();
a4a.onLayoutMeasure();
a4a.onLayoutMeasure();
a4a.onLayoutMeasure();
return a4a.layoutCallback().then(() => {
verifySafeFrameRender(a4aElement, DEFAULT_SAFEFRAME_VERSION);
expect(fetchMock.called('ad')).to.be.true;
});
});
['', 'client_cache', 'nameframe', 'some_random_thing'].forEach(
headerVal => {
it(`should not attach a SafeFrame when header is ${headerVal}`,
() => {
// If rendering type is anything but safeframe, we SHOULD NOT attach a
// SafeFrame.
adResponse.headers[RENDERING_TYPE_HEADER] = headerVal;
a4a.onLayoutMeasure();
return a4a.layoutCallback().then(() => {
const safeframeUrl = 'https://tpc.googlesyndication.com/safeframe/' +
DEFAULT_SAFEFRAME_VERSION + '/html/container.html';
const safeChild = a4aElement.querySelector(
`iframe[src^="${safeframeUrl}"]`);
expect(safeChild).to.not.be.ok;
if (headerVal != 'nameframe') {
const unsafeChild = a4aElement.querySelector('iframe');
expect(unsafeChild).to.be.ok;
expect(unsafeChild.getAttribute('src')).to.have.string(
TEST_URL);
}
expect(fetchMock.called('ad')).to.be.true;
});
});
});
it('should reset state to null on unlayoutCallback', () => {
return a4a.layoutCallback().then(() => {
expect(a4a.experimentalNonAmpCreativeRenderMethod_)
.to.equal('safeframe');
a4a.unlayoutCallback();
expect(a4a.experimentalNonAmpCreativeRenderMethod_).to.be.null;
expect(fetchMock.called('ad')).to.be.true;
});
});
it('should fire amp-analytics triggers for lifecycle stages', () => {
const triggerAnalyticsEventSpy =
sandbox.spy(analytics, 'triggerAnalyticsEvent');
return a4a.layoutCallback().then(() => {
verifyA4aAnalyticsTriggersWereFired(a4a, triggerAnalyticsEventSpy);
expect(lifecycleEventStub).to.be.calledWith(
'crossDomainIframeLoaded');
});
});
});
});
describe('cross-domain vs A4A', () => {
let a4a;
let a4aElement;
beforeEach(() => createIframePromise().then(fixture => {
setupForAdTesting(fixture);
fetchMock.getOnce(
TEST_URL + '&__amp_source_origin=about%3Asrcdoc', () => adResponse,
{name: 'ad'});
const doc = fixture.doc;
a4aElement = createA4aElement(doc);
a4a = new MockA4AImpl(a4aElement);
}));
afterEach(() => {
expect(fetchMock.called('ad')).to.be.true;
});
['nameframe', 'safeframe'].forEach(renderType => {
it(`should not use ${renderType} if creative is A4A`, () => {
adResponse.headers[RENDERING_TYPE_HEADER] = renderType;
a4a.buildCallback();
a4a.onLayoutMeasure();
return a4a.layoutCallback().then(() => {
verifyA4ARender(a4aElement);
});
});
it(`should not use ${renderType} even if onLayoutMeasure called ` +
'multiple times', () => {
adResponse.headers[RENDERING_TYPE_HEADER] = renderType;
a4a.buildCallback();
a4a.onLayoutMeasure();
a4a.onLayoutMeasure();
a4a.onLayoutMeasure();
a4a.onLayoutMeasure();
return a4a.layoutCallback().then(() => {
const safeChild = a4aElement.querySelector('iframe[name]');
expect(safeChild).to.not.be.ok;
const crossDomainChild = a4aElement.querySelector('iframe[src]');
expect(crossDomainChild).to.not.be.ok;
const friendlyChild = a4aElement.querySelector('iframe[srcdoc]');
expect(friendlyChild).to.be.ok;
expect(friendlyChild.getAttribute('srcdoc')).to.have.string(
'<html ⚡4ads>');
});
});
});
});
it('should set height/width on iframe matching header value', () => {
// Make sure there's no signature, so that we go down the 3p iframe path.
delete adResponse.headers['AMP-Fast-Fetch-Signature'];
delete adResponse.headers[AMP_SIGNATURE_HEADER];
adResponse.headers['X-CreativeSize'] = '320x50';
return createIframePromise().then(fixture => {
setupForAdTesting(fixture);
fetchMock.getOnce(
TEST_URL + '&__amp_source_origin=about%3Asrcdoc', () => adResponse,
{name: 'ad'});
const doc = fixture.doc;
const a4aElement = createA4aElement(doc);
a4aElement.setAttribute('width', 480);
a4aElement.setAttribute('height', 75);
a4aElement.setAttribute('type', 'doubleclick');
const a4a = new MockA4AImpl(a4aElement);
doc.body.appendChild(a4aElement);
a4a.buildCallback();
a4a.onLayoutMeasure();
const renderPromise = a4a.layoutCallback();
return renderPromise.then(() => {
const child = a4aElement.querySelector('iframe[name]');
expect(child).to.be.ok;
expect(child.getAttribute('width')).to.equal('320');
expect(child.getAttribute('height')).to.equal('50');
});
});
});
describe('#onLayoutMeasure', () => {
it('resumeCallback calls onLayoutMeasure', () => {
// Force non-FIE
delete adResponse.headers['AMP-Fast-Fetch-Signature'];
delete adResponse.headers[AMP_SIGNATURE_HEADER];
return createIframePromise().then(fixture => {
setupForAdTesting(fixture);
fetchMock.getOnce(
TEST_URL + '&__amp_source_origin=about%3Asrcdoc', () => adResponse,
{name: 'ad'});
const doc = fixture.doc;
const a4aElement = createA4aElement(doc);
const s = doc.createElement('style');
s.textContent = '.fixed {position:fixed;}';
doc.head.appendChild(s);
const a4a = new MockA4AImpl(a4aElement);
const renderNonAmpCreativeSpy =
sandbox.spy(a4a, 'renderNonAmpCreative_');
a4a.buildCallback();
a4a.onLayoutMeasure();
expect(a4a.adPromise_).to.be.ok;
return a4a.layoutCallback().then(() => {
expect(renderNonAmpCreativeSpy.calledOnce,
'renderNonAmpCreative_ called exactly once').to.be.true;
a4a.unlayoutCallback();
getResourceStub.returns(
{'hasBeenMeasured': () => true, 'isMeasureRequested': () => false});
const onLayoutMeasureSpy = sandbox.spy(a4a, 'onLayoutMeasure');
a4a.resumeCallback();
expect(onLayoutMeasureSpy).to.be.calledOnce;
expect(a4a.fromResumeCallback).to.be.true;
});
});
});
it('resumeCallback does not call onLayoutMeasure for FIE', () => {
return createIframePromise().then(fixture => {
setupForAdTesting(fixture);
fetchMock.getOnce(
TEST_URL + '&__amp_source_origin=about%3Asrcdoc', () => adResponse,
{name: 'ad'});
const doc = fixture.doc;
const a4aElement = createA4aElement(doc);
const s = doc.createElement('style');
s.textContent = '.fixed {position:fixed;}';
doc.head.appendChild(s);
const a4a = new MockA4AImpl(a4aElement);
const renderAmpCreativeSpy = sandbox.spy(a4a, 'renderAmpCreative_');
a4a.buildCallback();
a4a.onLayoutMeasure();
expect(a4a.adPromise_).to.be.ok;
return a4a.layoutCallback().then(() => {
expect(renderAmpCreativeSpy.calledOnce,
'renderAmpCreative_ called exactly once').to.be.true;
sandbox.stub(a4a, 'unlayoutCallback', () => false);
const onLayoutMeasureSpy = sandbox.spy(a4a, 'onLayoutMeasure');
a4a.resumeCallback();
expect(onLayoutMeasureSpy).to.not.be.called;
expect(a4a.fromResumeCallback).to.be.false;
});
});
});
it('resumeCallback w/ measure required no onLayoutMeasure', () => {
// Force non-FIE
delete adResponse.headers['AMP-Fast-Fetch-Signature'];
delete adResponse.headers[AMP_SIGNATURE_HEADER];
return createIframePromise().then(fixture => {
setupForAdTesting(fixture);
fetchMock.getOnce(
TEST_URL + '&__amp_source_origin=about%3Asrcdoc', () => adResponse,
{name: 'ad'});
const doc = fixture.doc;
const a4aElement = createA4aElement(doc);
const s = doc.createElement('style');
s.textContent = '.fixed {position:fixed;}';
doc.head.appendChild(s);
const a4a = new MockA4AImpl(a4aElement);
const renderNonAmpCreativeSpy =
sandbox.spy(a4a, 'renderNonAmpCreative_');
a4a.buildCallback();
a4a.onLayoutMeasure();
expect(a4a.adPromise_).to.be.ok;
return a4a.layoutCallback().then(() => {
expect(renderNonAmpCreativeSpy.calledOnce,
'renderNonAmpCreative_ called exactly once').to.be.true;
a4a.unlayoutCallback();
const onLayoutMeasureSpy = sandbox.spy(a4a, 'onLayoutMeasure');
getResourceStub.returns({'hasBeenMeasured': () => false});
a4a.resumeCallback();
expect(onLayoutMeasureSpy).to.not.be.called;
expect(a4a.fromResumeCallback).to.be.true;
});
});
});
it('should run end-to-end and render in friendly iframe', () => {
return createIframePromise().then(fixture => {
setupForAdTesting(fixture);
fetchMock.getOnce(
TEST_URL + '&__amp_source_origin=about%3Asrcdoc', () => adResponse,
{name: 'ad'});
const doc = fixture.doc;
const a4aElement = createA4aElement(doc);
const a4a = new MockA4AImpl(a4aElement);
a4a.releaseType_ = '0';
const getAdUrlSpy = sandbox.spy(a4a, 'getAdUrl');
const rtcResponse = Promise.resolve(
[{response: 'a', rtcTime: 1, callout: 'https://a.com'}]);
AMP.maybeExecuteRealTimeConfig = sandbox.stub().returns(
rtcResponse);
const tryExecuteRealTimeConfigSpy =
sandbox.spy(a4a, 'tryExecuteRealTimeConfig_');
const updatePriorityStub = sandbox.stub(a4a, 'updatePriority');
const renderAmpCreativeSpy = sandbox.spy(a4a, 'renderAmpCreative_');
const preloadExtensionSpy =
sandbox.spy(Extensions.prototype, 'preloadExtension');
a4a.buildCallback();
const lifecycleEventStub =
sandbox.stub(a4a, 'protectedEmitLifecycleEvent_');
a4a.onLayoutMeasure();
expect(a4a.adPromise_).to.be.instanceof(Promise);
return a4a.adPromise_.then(promiseResult => {
expect(promiseResult).to.be.ok;
expect(promiseResult.minifiedCreative).to.be.ok;
expect(a4a.isVerifiedAmpCreative_).to.be.true;
expect(tryExecuteRealTimeConfigSpy.calledOnce).to.be.true;
expect(AMP.maybeExecuteRealTimeConfig.calledOnce).to.be.true;
expect(AMP.maybeExecuteRealTimeConfig.calledWith(
a4a, null)).to.be.true;
expect(getAdUrlSpy.calledOnce, 'getAdUrl called exactly once')
.to.be.true;
expect(getAdUrlSpy.calledWith(rtcResponse)).to.be.true;
expect(fetchMock.called('ad')).to.be.true;
expect(preloadExtensionSpy.withArgs('amp-font')).to.be.calledOnce;
expect(doc.querySelector('link[rel=preload]' +
'[href="https://fonts.googleapis.com/css?family=Questrial"]'))
.to.be.ok;
return a4a.layoutCallback().then(() => {
expect(renderAmpCreativeSpy.calledOnce,
'renderAmpCreative_ called exactly once').to.be.true;
expect(a4aElement.getElementsByTagName('iframe').length)
.to.equal(1);
const friendlyIframe = a4aElement.querySelector('iframe[srcdoc]');
expect(friendlyIframe).to.not.be.null;
expect(friendlyIframe.getAttribute('src')).to.be.null;
const expectedAttributes = {
'frameborder': '0', 'allowfullscreen': '',
'allowtransparency': '', 'scrolling': 'no'};
Object.keys(expectedAttributes).forEach(key => {
expect(friendlyIframe.getAttribute(key)).to.equal(
expectedAttributes[key]);
});
// Should not contain v0.js, any extensions, or amp-boilerplate.
const iframeDoc = friendlyIframe.contentDocument;
expect(iframeDoc.querySelector('script[src]')).to.not.be.ok;
expect(iframeDoc.querySelector('script[custom-element]'))
.to.not.be.ok;
expect(iframeDoc.querySelector('style[amp-boilerplate]'))
.to.not.be.ok;
expect(iframeDoc.querySelector('noscript')).to.not.be.ok;
// Should contain font link and extension in main document.
expect(iframeDoc.querySelector(
'link[href="https://fonts.googleapis.com/css?family=Questrial"]'))
.to.be.ok;
expect(doc.querySelector('script[src*="amp-font-0.1"]')).to.be.ok;
expect(onCreativeRenderSpy.withArgs(sinon.match.object))
.to.be.calledOnce;
expect(updatePriorityStub).to.be.calledOnce;
expect(updatePriorityStub.args[0][0]).to.equal(0);
expect(lifecycleEventStub).to.be.calledWith(
'adResponseValidateEnd', {
'signatureValidationResult': 0,
'releaseType': '0',
});
});
});
});
});
// TODO (keithwrightbos) - move into above e2e once signed creative with
// image within creative can be regenerated.
it('should prefetch amp images', () => {
return createIframePromise().then(fixture => {
setupForAdTesting(fixture);
fetchMock.getOnce(
TEST_URL + '&__amp_source_origin=about%3Asrcdoc', () => adResponse,
{name: 'ad'});
const doc = fixture.doc;
const a4aElement = createA4aElement(doc);
const a4a = new MockA4AImpl(a4aElement);
sandbox.stub(a4a, 'getAmpAdMetadata_', creative => {
const metaData = AmpA4A.prototype.getAmpAdMetadata_(creative);
metaData.images = ['https://prefetch.me.com?a=b', 'http://do.not.prefetch.me.com?c=d',