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test-extensions.js
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test-extensions.js
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/**
* Copyright 2016 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 {AmpDocShadow, installDocService} from '../../src/service/ampdoc-impl';
import {BaseElement} from '../../src/base-element';
import {ElementStub} from '../../src/element-stub';
import {Extensions} from '../../src/service/extensions-impl';
import {Services} from '../../src/services';
import {getServiceForDoc} from '../../src/service';
import {installTimerService} from '../../src/service/timer-impl';
import {user} from '../../src/log';
class AmpTest extends BaseElement {}
class AmpTestSub extends BaseElement {}
describes.sandboxed('Extensions', {}, () => {
describes.fakeWin('registerExtension', {}, (env) => {
let win;
let extensions;
let timeoutCallback;
beforeEach(() => {
win = env.win;
win.setTimeout = (cb) => {
timeoutCallback = cb;
};
installDocService(win, /* isSingleDoc */ true);
installTimerService(win);
extensions = new Extensions(win);
installRuntimeStylesTo(win.document.head);
});
function installRuntimeStylesTo(head) {
const runtimeStyle = win.document.createElement('style');
runtimeStyle.setAttribute('amp-runtime', '');
runtimeStyle.textContent = 'a{}';
head.appendChild(runtimeStyle);
}
it('should register successfully without promise', () => {
const amp = {};
let factoryExecuted = false;
let currentHolder;
extensions.registerExtension(
'amp-ext',
(arg) => {
expect(factoryExecuted).to.be.false;
expect(arg).to.equal(amp);
expect(extensions.currentExtensionId_).to.equal('amp-ext');
currentHolder = extensions.getCurrentExtensionHolder_();
factoryExecuted = true;
},
amp
);
expect(factoryExecuted).to.be.true;
expect(extensions.currentExtensionId_).to.be.null;
const holder = extensions.extensions_['amp-ext'];
expect(extensions.getExtensionHolder_('amp-ext')).to.equal(holder);
expect(currentHolder).to.equal(holder);
expect(holder.loaded).to.be.true;
expect(holder.error).to.be.undefined;
expect(holder.resolve).to.be.undefined;
expect(holder.reject).to.be.undefined;
expect(holder.promise).to.be.undefined;
expect(holder.scriptPresent).to.be.undefined;
// However, the promise is created lazily.
return extensions.waitForExtension(win, 'amp-ext').then((extension) => {
expect(extension).to.exist;
expect(extension.elements).to.exist;
});
});
it('should register successfully with promise', () => {
const promise = extensions.waitForExtension(win, 'amp-ext');
extensions.registerExtension('amp-ext', () => {}, {});
expect(extensions.currentExtensionId_).to.be.null;
const holder = extensions.extensions_['amp-ext'];
expect(holder.loaded).to.be.true;
expect(holder.error).to.be.undefined;
expect(holder.resolve).to.exist;
expect(holder.reject).to.exist;
expect(holder.promise).to.exist;
return promise.then((extension) => {
expect(extension).to.exist;
expect(extension.elements).to.exist;
});
});
it('should fail registration without promise', () => {
expect(() => {
extensions.registerExtension(
'amp-ext',
() => {
throw new Error('intentional');
},
{}
);
}).to.throw(/intentional/);
expect(extensions.currentExtensionId_).to.be.null;
const holder = extensions.extensions_['amp-ext'];
expect(extensions.getExtensionHolder_('amp-ext')).to.equal(holder);
expect(holder.error).to.exist;
expect(holder.error.message).to.equal('intentional');
expect(holder.loaded).to.be.undefined;
expect(holder.resolve).to.be.undefined;
expect(holder.reject).to.be.undefined;
expect(holder.promise).to.be.undefined;
// However, the promise is created lazily.
return extensions.waitForExtension(win, 'amp-ext').then(
() => {
throw new Error('must have been rejected');
},
(reason) => {
expect(reason.message).to.equal('intentional');
}
);
});
it('should fail registration with promise', () => {
const promise = extensions.waitForExtension(win, 'amp-ext');
expect(() => {
extensions.registerExtension(
'amp-ext',
() => {
throw new Error('intentional');
},
{}
);
}).to.throw(/intentional/);
expect(extensions.currentExtensionId_).to.be.null;
const holder = extensions.extensions_['amp-ext'];
expect(holder.error).to.exist;
expect(holder.error.message).to.equal('intentional');
expect(holder.loaded).to.be.undefined;
expect(holder.resolve).to.exist;
expect(holder.reject).to.exist;
expect(holder.promise).to.exist;
expect(promise).to.eventually.equal(holder.promise);
return extensions.waitForExtension(win, 'amp-ext').then(
() => {
throw new Error('must have been rejected');
},
(reason) => {
expect(reason.message).to.equal('intentional');
}
);
});
it('should fail on timeout', () => {
timeoutCallback = null;
const promise = extensions.waitForExtension(win, 'amp-ext');
expect(timeoutCallback).to.be.a('function');
timeoutCallback();
return promise.then(
() => {
throw new Error('must have been rejected');
},
(reason) => {
expect(reason.message).to.match(/^Render timeout/);
}
);
});
it('should add element in registration', () => {
const ctor = function () {};
extensions.registerExtension(
'amp-ext',
() => {
extensions.addElement('e1', ctor);
},
{}
);
return extensions.waitForExtension(win, 'amp-ext').then((extension) => {
expect(extension.elements['e1']).to.exist;
expect(extension.elements['e1'].implementationClass).to.equal(ctor);
});
});
it('should add element out of registration', () => {
const ctor = function () {};
allowConsoleError(() => extensions.addElement('e1', ctor));
expect(Object.keys(extensions.extensions_)).to.deep.equal(['_UNKNOWN_']);
const unknown = extensions.extensions_['_UNKNOWN_'];
expect(unknown.extension.elements['e1']).to.exist;
expect(unknown.extension.elements['e1'].implementationClass).to.equal(
ctor
);
});
it('should install auto undeclared elements for single-doc', () => {
const ampdoc = Services.ampdocServiceFor(win).getSingleDoc();
expect(
win.__AMP_EXTENDED_ELEMENTS && win.__AMP_EXTENDED_ELEMENTS['amp-test']
).to.be.undefined;
expect(
win.__AMP_EXTENDED_ELEMENTS &&
win.__AMP_EXTENDED_ELEMENTS['amp-test-sub']
).to.be.undefined;
expect(win.customElements.elements['amp-test']).to.not.exist;
// Resolve the promise.
extensions.registerExtension(
'amp-test',
() => {
extensions.addElement('amp-test', AmpTest);
extensions.addElement('amp-test-sub', AmpTestSub);
},
{}
);
expect(win.__AMP_EXTENDED_ELEMENTS['amp-test']).to.equal(AmpTest);
expect(win.__AMP_EXTENDED_ELEMENTS['amp-test-sub']).to.equal(AmpTestSub);
expect(win.customElements.elements['amp-test']).to.exist;
expect(ampdoc.declaresExtension('amp-test')).to.be.false;
});
it('should skip non-auto undeclared elements for single-doc', () => {
const ampdoc = Services.ampdocServiceFor(win).getSingleDoc();
expect(
win.__AMP_EXTENDED_ELEMENTS && win.__AMP_EXTENDED_ELEMENTS['amp-test']
).to.be.undefined;
expect(
win.__AMP_EXTENDED_ELEMENTS &&
win.__AMP_EXTENDED_ELEMENTS['amp-test-sub']
).to.be.undefined;
expect(win.customElements.elements['amp-test']).to.not.exist;
// Manually preload extension, which would make it non-auto.
extensions.preloadExtension('amp-test');
// Resolve the promise.
extensions.registerExtension(
'amp-test',
() => {
extensions.addElement('amp-test', AmpTest);
extensions.addElement('amp-test-sub', AmpTestSub);
},
{}
);
expect(
win.__AMP_EXTENDED_ELEMENTS && win.__AMP_EXTENDED_ELEMENTS['amp-test']
).to.be.undefined;
expect(
win.__AMP_EXTENDED_ELEMENTS &&
win.__AMP_EXTENDED_ELEMENTS['amp-test-sub']
).to.be.undefined;
expect(win.customElements.elements['amp-test']).to.not.exist;
expect(ampdoc.declaresExtension('amp-test')).to.be.false;
});
it('should install declared elements for single-doc', () => {
const ampdoc = Services.ampdocServiceFor(win).getSingleDoc();
ampdoc.declareExtension('amp-test');
expect(
win.__AMP_EXTENDED_ELEMENTS && win.__AMP_EXTENDED_ELEMENTS['amp-test']
).to.be.undefined;
expect(
win.__AMP_EXTENDED_ELEMENTS &&
win.__AMP_EXTENDED_ELEMENTS['amp-test-sub']
).to.be.undefined;
expect(win.customElements.elements['amp-test']).to.not.exist;
expect(win.__AMP_SERVICES['amp-test']).to.not.exist;
// Resolve the promise.
extensions.registerExtension(
'amp-test',
() => {
extensions.addElement('amp-test', AmpTest);
extensions.addElement('amp-test-sub', AmpTestSub);
},
{}
);
expect(win.__AMP_EXTENDED_ELEMENTS['amp-test']).to.equal(AmpTest);
expect(win.__AMP_EXTENDED_ELEMENTS['amp-test-sub']).to.equal(AmpTestSub);
expect(win.customElements.elements['amp-test']).to.exist;
expect(win.__AMP_SERVICES['amp-test']).to.exist;
});
it('should install non-auto declared elements for single-doc', () => {
const ampdoc = Services.ampdocServiceFor(win).getSingleDoc();
ampdoc.declareExtension('amp-test');
expect(
win.__AMP_EXTENDED_ELEMENTS && win.__AMP_EXTENDED_ELEMENTS['amp-test']
).to.be.undefined;
expect(
win.__AMP_EXTENDED_ELEMENTS &&
win.__AMP_EXTENDED_ELEMENTS['amp-test-sub']
).to.be.undefined;
expect(win.customElements.elements['amp-test']).to.not.exist;
// Manually preload extension, which would make it non-auto.
extensions.preloadExtension('amp-test');
// Resolve the promise.
extensions.registerExtension(
'amp-test',
() => {
extensions.addElement('amp-test', AmpTest);
extensions.addElement('amp-test-sub', AmpTestSub);
},
{}
);
expect(win.__AMP_EXTENDED_ELEMENTS['amp-test']).to.equal(AmpTest);
expect(win.__AMP_EXTENDED_ELEMENTS['amp-test-sub']).to.equal(AmpTestSub);
expect(win.customElements.elements['amp-test']).to.exist;
expect(ampdoc.declaresExtension('amp-test')).to.be.true;
});
it('should install elements in shadow doc', () => {
env.sandbox
.stub(Services.ampdocServiceFor(win), 'isSingleDoc')
.callsFake(() => false);
expect(
win.__AMP_EXTENDED_ELEMENTS && win.__AMP_EXTENDED_ELEMENTS['amp-test']
).to.be.undefined;
expect(
win.__AMP_EXTENDED_ELEMENTS &&
win.__AMP_EXTENDED_ELEMENTS['amp-test-sub']
).to.be.undefined;
expect(win.customElements.elements['amp-test']).to.not.exist;
// Resolve the promise.
extensions.registerExtension(
'amp-test',
() => {
extensions.addElement('amp-test', AmpTest);
extensions.addElement('amp-test-sub', AmpTestSub);
},
{}
);
expect(
win.__AMP_EXTENDED_ELEMENTS && win.__AMP_EXTENDED_ELEMENTS['amp-test']
).to.be.undefined;
expect(
win.__AMP_EXTENDED_ELEMENTS &&
win.__AMP_EXTENDED_ELEMENTS['amp-test-sub']
).to.be.undefined;
expect(win.customElements.elements['amp-test']).to.not.exist;
// Install into shadow doc.
const shadowRoot = document.createDocumentFragment();
installRuntimeStylesTo(shadowRoot);
const ampdoc = new AmpDocShadow(win, 'https://a.org/', shadowRoot);
const promise = extensions.installExtensionsInDoc(ampdoc, ['amp-test']);
return promise.then(() => {
// Resolved later.
expect(win.__AMP_EXTENDED_ELEMENTS['amp-test']).to.equal(AmpTest);
expect(win.__AMP_EXTENDED_ELEMENTS['amp-test-sub']).to.equal(
AmpTestSub
);
// Extension is now declared.
expect(ampdoc.declaresExtension('amp-test')).to.be.true;
});
});
it('should add doc factory in registration', () => {
const factory = function () {};
extensions.registerExtension(
'amp-ext',
() => {
extensions.addDocFactory(factory);
},
{}
);
const holder = extensions.getExtensionHolder_('amp-ext');
expect(holder.docFactories).to.exist;
expect(holder.docFactories).to.have.length(1);
expect(holder.docFactories[0]).to.equal(factory);
});
it('should add doc factory out of registration', () => {
const factory = function () {};
allowConsoleError(() => extensions.addDocFactory(factory));
const holder = extensions.getExtensionHolder_('_UNKNOWN_');
expect(holder.docFactories).to.exist;
expect(holder.docFactories).to.have.length(1);
expect(holder.docFactories[0]).to.equal(factory);
});
// TODO(#16916): Make this test work with synchronous throws.
it.skip('should install all doc factories to shadow doc', () => {
env.sandbox
.stub(Services.ampdocServiceFor(win), 'isSingleDoc')
.callsFake(() => false);
const factory1 = env.sandbox.spy();
const factory2 = function () {
throw new Error('intentional');
};
const factory3 = env.sandbox.spy();
extensions.registerExtension(
'amp-ext',
() => {
extensions.addDocFactory(factory1);
extensions.addDocFactory(factory2);
extensions.addDocFactory(factory3);
},
{}
);
const shadowRoot = document.createDocumentFragment();
const ampdoc = new AmpDocShadow(win, 'https://a.org/', shadowRoot);
const promise = extensions.installExtensionsInDoc(ampdoc, ['amp-ext']);
return promise.then(() => {
expect(factory1).to.be.calledOnce;
expect(factory1.args[0][0]).to.equal(ampdoc);
// Should survive errors in one factory.
expect(factory3).to.be.calledOnce;
expect(factory3.args[0][0]).to.equal(ampdoc);
});
});
it('should add service factory in registration', () => {
const factory = function () {};
extensions.registerExtension(
'amp-ext',
() => {
extensions.addService('service1', factory);
},
{}
);
const holder = extensions.getExtensionHolder_('amp-ext');
expect(holder.extension.services).to.exist;
expect(holder.extension.services).to.have.length(1);
expect(holder.extension.services[0]).to.deep.equal({
serviceName: 'service1',
serviceClass: factory,
});
});
it('should add service factory out of registration', () => {
const factory = function () {};
allowConsoleError(() => extensions.addService('service1', factory));
const holder = extensions.getExtensionHolder_('_UNKNOWN_');
expect(holder.extension.services).to.exist;
expect(holder.extension.services).to.have.length(1);
expect(holder.extension.services[0]).to.deep.equal({
serviceName: 'service1',
serviceClass: factory,
});
});
it('should install auto undeclared services for single-doc', () => {
const ampdoc = Services.ampdocServiceFor(win).getSingleDoc();
const factory1Spy = env.sandbox.spy();
const factory2Spy = env.sandbox.spy();
const factory1 = function () {
factory1Spy();
return {a: 1};
};
const factory2 = function () {
factory2Spy();
return {a: 2};
};
// Resolve the promise.
extensions.registerExtension(
'amp-test',
() => {
extensions.addService('service1', factory1);
extensions.addService('service2', factory2);
},
{}
);
expect(ampdoc.declaresExtension('amp-test')).to.be.false;
expect(factory1Spy).to.be.calledOnce;
expect(factory2Spy).to.be.calledOnce;
expect(getServiceForDoc(ampdoc, 'service1').a).to.equal(1);
expect(getServiceForDoc(ampdoc, 'service2').a).to.equal(2);
});
it('should skip non-auto undeclared services for single-doc', () => {
const ampdoc = Services.ampdocServiceFor(win).getSingleDoc();
const factory1 = env.sandbox.spy();
const factory2 = env.sandbox.spy();
// Manually preload extension, which would make it non-auto.
extensions.preloadExtension('amp-test');
// Resolve the promise.
extensions.registerExtension(
'amp-test',
() => {
extensions.addService('service1', factory1);
extensions.addService('service2', factory2);
},
{}
);
expect(ampdoc.declaresExtension('amp-test')).to.be.false;
expect(factory1).to.be.not.called;
expect(factory2).to.be.not.called;
allowConsoleError(() => {
expect(() => getServiceForDoc(ampdoc, 'service1')).to.throw(
/to be registered/
);
expect(() => getServiceForDoc(ampdoc, 'service2')).to.throw(
/to be registered/
);
});
});
it('should install declared services for single-doc', () => {
const ampdoc = Services.ampdocServiceFor(win).getSingleDoc();
ampdoc.declareExtension('amp-test');
const factory1Spy = env.sandbox.spy();
const factory2Spy = env.sandbox.spy();
const factory1 = function () {
factory1Spy();
return {a: 1};
};
const factory2 = function () {
factory2Spy();
return {a: 2};
};
// Resolve the promise.
extensions.registerExtension(
'amp-test',
() => {
extensions.addService('service1', factory1);
extensions.addService('service2', factory2);
},
{}
);
expect(factory1Spy).to.be.calledOnce;
expect(factory2Spy).to.be.calledOnce;
expect(getServiceForDoc(ampdoc, 'service1').a).to.equal(1);
expect(getServiceForDoc(ampdoc, 'service2').a).to.equal(2);
});
// TODO(#16916): Make this test work with synchronous throws.
it.skip('should install all services to doc', () => {
env.sandbox
.stub(Services.ampdocServiceFor(win), 'isSingleDoc')
.callsFake(() => false);
const factory1 = env.sandbox.spy();
const factory2Spy = env.sandbox.spy();
const factory2 = function () {
factory2Spy();
throw new Error('intentional');
};
const factory3 = env.sandbox.spy();
extensions.registerExtension(
'amp-ext',
() => {
extensions.addService('service1', factory1);
extensions.addService('service2', factory2);
extensions.addService('service3', factory3);
},
{}
);
// Install into shadow doc.
const shadowRoot = document.createDocumentFragment();
const ampdoc = new AmpDocShadow(win, 'https://a.org/', shadowRoot);
const promise = extensions.installExtensionsInDoc(ampdoc, ['amp-ext']);
return promise.then(() => {
expect(factory1).to.be.calledOnce;
expect(factory1.args[0][0]).to.equal(ampdoc);
// Should survive errors in one factory.
expect(factory2Spy).to.be.calledOnce;
expect(factory3).to.be.calledOnce;
expect(factory3.args[0][0]).to.equal(ampdoc);
});
});
it('should load extension class via load extension', () => {
const ctor = function () {};
extensions.registerExtension(
'amp-ext',
() => {
extensions.addElement('amp-ext', ctor);
},
{}
);
return extensions.loadElementClass('amp-ext').then((elementClass) => {
expect(elementClass).to.equal(ctor);
});
});
it('should keep awaiting promise through reload', () => {
const script = document.createElement('script');
script.setAttribute('custom-element', 'amp-ext');
script.setAttribute(
'src',
'https://cdn.ampproject.org/v0/amp-ext-0.1.js'
);
win.document.head.appendChild(script);
// Start waiting immediately.
const initialPromise = extensions.preloadExtension('amp-ext');
// Reload the extension. E.g. due to the version mismatch.
const reloadPromise = extensions.reloadExtension('amp-ext');
// Register extension.
extensions.registerExtension('amp-ext', () => {}, {});
return reloadPromise.then((reloadedExtension) => {
expect(reloadedExtension).to.exist;
return initialPromise.then((initialExtension) => {
expect(initialExtension).to.equal(reloadedExtension);
const newScript = win.document.head.querySelector(
'script[custom-element="amp-ext"]:not([i-amphtml-loaded-new-version])'
);
expect(newScript).to.exist;
});
});
});
});
describes.fakeWin('reloadExtension', {}, (env) => {
let win;
let extensions;
beforeEach(() => {
win = env.win;
env.sandbox.stub(Services, 'ampdocServiceFor').returns(null);
extensions = new Extensions(win);
env.sandbox.stub(extensions, 'preloadExtension');
env.sandbox.stub(user(), 'error');
});
describe('regular scripts', () => {
it('should devAssert if script cannot be found', () => {
extensions.reloadExtension('amp-list');
expect(user().error).to.be.calledWith(
'reloadExtension',
'Extension script for "%s" is missing or was already reloaded.',
'amp-list'
);
expect(extensions.preloadExtension).to.not.be.called;
});
it('should ignore inserted scripts', () => {
const list = document.createElement('script');
list.setAttribute('custom-element', 'amp-list');
list.setAttribute(
'src',
'https://cdn.ampproject.org/v0/amp-list-0.1.js'
);
list.setAttribute('i-amphtml-inserted', '');
win.document.head.appendChild(list);
extensions.reloadExtension('amp-list');
expect(user().error).to.be.calledWith(
'reloadExtension',
'Extension script for "%s" is missing or was already reloaded.',
'amp-list'
);
expect(list.hasAttribute('i-amphtml-loaded-new-version')).to.be.false;
expect(extensions.preloadExtension).to.not.be.called;
});
it('should support [custom-element] scripts', () => {
const list = document.createElement('script');
list.setAttribute('custom-element', 'amp-list');
list.setAttribute(
'src',
'https://cdn.ampproject.org/v0/amp-list-0.1.js'
);
win.document.head.appendChild(list);
extensions.reloadExtension('amp-list');
expect(list.getAttribute('i-amphtml-loaded-new-version')).to.equal(
'amp-list'
);
expect(extensions.preloadExtension).to.be.calledWith('amp-list', '0.1');
});
it('should support "latest" version scripts', () => {
const list = document.createElement('script');
list.setAttribute('custom-element', 'amp-list');
list.setAttribute(
'src',
'https://cdn.ampproject.org/v0/amp-list-latest.js'
);
win.document.head.appendChild(list);
extensions.reloadExtension('amp-list');
expect(list.getAttribute('i-amphtml-loaded-new-version')).to.equal(
'amp-list'
);
expect(extensions.preloadExtension).to.be.calledWith(
'amp-list',
'latest'
);
});
it('should support [custom-template] scripts', () => {
const mustache = document.createElement('script');
mustache.setAttribute('custom-template', 'amp-mustache');
mustache.setAttribute(
'src',
'https://cdn.ampproject.org/v0/amp-mustache-0.2.js'
);
win.document.head.appendChild(mustache);
extensions.reloadExtension('amp-mustache');
expect(mustache.getAttribute('i-amphtml-loaded-new-version')).to.equal(
'amp-mustache'
);
expect(extensions.preloadExtension).to.be.calledWith(
'amp-mustache',
'0.2'
);
});
it('should support no-attribute scripts', () => {
const viewer = document.createElement('script');
viewer.setAttribute(
'src',
'https://cdn.ampproject.org/v0/amp-viewer-integration-0.1.js'
);
win.document.head.appendChild(viewer);
extensions.reloadExtension('amp-viewer-integration');
expect(viewer.getAttribute('i-amphtml-loaded-new-version')).to.equal(
'amp-viewer-integration'
);
expect(extensions.preloadExtension).to.be.calledWith(
'amp-viewer-integration',
'0.1'
);
});
});
describe('module/nomdule script pairs', () => {
it('should devAssert if script cannot be found', () => {
extensions.reloadExtension('amp-list');
expect(user().error).to.be.calledWith(
'reloadExtension',
'Extension script for "%s" is missing or was already reloaded.',
'amp-list'
);
expect(extensions.preloadExtension).to.not.be.called;
});
it('should ignore inserted scripts', () => {
const mod = document.createElement('script');
mod.setAttribute('custom-element', 'amp-list');
mod.setAttribute(
'src',
'https://cdn.ampproject.org/v0/amp-list-0.1.mjs'
);
mod.setAttribute('i-amphtml-inserted', '');
mod.setAttribute('type', 'module');
win.document.head.appendChild(mod);
const nomod = document.createElement('script');
nomod.setAttribute('custom-element', 'amp-list');
nomod.setAttribute(
'src',
'https://cdn.ampproject.org/v0/amp-list-0.1.js'
);
nomod.setAttribute('i-amphtml-inserted', '');
nomod.setAttribute('nomodule', '');
win.document.head.appendChild(nomod);
extensions.reloadExtension('amp-list');
expect(user().error).to.be.calledWith(
'reloadExtension',
'Extension script for "%s" is missing or was already reloaded.',
'amp-list'
);
expect(mod.hasAttribute('i-amphtml-loaded-new-version')).to.be.false;
expect(nomod.hasAttribute('i-amphtml-loaded-new-version')).to.be.false;
expect(extensions.preloadExtension).to.not.be.called;
});
it('should support [custom-element] scripts', () => {
const mod = document.createElement('script');
mod.setAttribute('custom-element', 'amp-list');
mod.setAttribute(
'src',
'https://cdn.ampproject.org/v0/amp-list-0.1.mjs'
);
mod.setAttribute('type', 'module');
win.document.head.appendChild(mod);
const nomod = document.createElement('script');
nomod.setAttribute('custom-element', 'amp-list');
nomod.setAttribute(
'src',
'https://cdn.ampproject.org/v0/amp-list-0.1.js'
);
nomod.setAttribute('nomodule', '');
win.document.head.appendChild(nomod);
extensions.reloadExtension('amp-list');
expect(mod.getAttribute('i-amphtml-loaded-new-version')).to.equal(
'amp-list'
);
expect(nomod.getAttribute('i-amphtml-loaded-new-version')).to.equal(
'amp-list'
);
expect(extensions.preloadExtension).to.be.calledOnce;
expect(extensions.preloadExtension).to.be.calledWith('amp-list', '0.1');
});
it('should support "latest" version scripts', () => {
const mod = document.createElement('script');
mod.setAttribute('custom-element', 'amp-list');
mod.setAttribute(
'src',
'https://cdn.ampproject.org/v0/amp-list-latest.mjs'
);
mod.setAttribute('type', 'module');
win.document.head.appendChild(mod);
const nomod = document.createElement('script');
nomod.setAttribute('custom-element', 'amp-list');
nomod.setAttribute(
'src',
'https://cdn.ampproject.org/v0/amp-list-latest.js'
);
nomod.setAttribute('nomodule', '');
win.document.head.appendChild(nomod);
extensions.reloadExtension('amp-list');
expect(mod.getAttribute('i-amphtml-loaded-new-version')).to.equal(
'amp-list'
);
expect(nomod.getAttribute('i-amphtml-loaded-new-version')).to.equal(
'amp-list'
);
expect(extensions.preloadExtension).to.be.calledOnce;
expect(extensions.preloadExtension).to.be.calledWith(
'amp-list',
'latest'
);
});
it('should support [custom-template] scripts', () => {
const mod = document.createElement('script');
mod.setAttribute('custom-template', 'amp-mustache');
mod.setAttribute(
'src',
'https://cdn.ampproject.org/v0/amp-mustache-0.2.mjs'
);
mod.setAttribute('type', 'module');
win.document.head.appendChild(mod);
const nomod = document.createElement('script');
nomod.setAttribute('custom-template', 'amp-mustache');
nomod.setAttribute(
'src',
'https://cdn.ampproject.org/v0/amp-mustache-0.2.js'
);
nomod.setAttribute('nomodule', '');
win.document.head.appendChild(nomod);
extensions.reloadExtension('amp-mustache');
expect(mod.getAttribute('i-amphtml-loaded-new-version')).to.equal(
'amp-mustache'
);
expect(nomod.getAttribute('i-amphtml-loaded-new-version')).to.equal(
'amp-mustache'
);
expect(extensions.preloadExtension).to.be.calledOnce;
expect(extensions.preloadExtension).to.be.calledWith(
'amp-mustache',
'0.2'
);
});
it('should support no-attribute scripts', () => {
const mod = document.createElement('script');
mod.setAttribute(
'src',
'https://cdn.ampproject.org/v0/amp-viewer-integration-0.1.mjs'
);
mod.setAttribute('type', 'module');
win.document.head.appendChild(mod);
const nomod = document.createElement('script');
nomod.setAttribute(
'src',
'https://cdn.ampproject.org/v0/amp-viewer-integration-0.1.js'
);
nomod.setAttribute('nomodule', '');
win.document.head.appendChild(nomod);
extensions.reloadExtension('amp-viewer-integration');
expect(mod.getAttribute('i-amphtml-loaded-new-version')).to.equal(
'amp-viewer-integration'
);
expect(nomod.getAttribute('i-amphtml-loaded-new-version')).to.equal(
'amp-viewer-integration'
);
expect(extensions.preloadExtension).to.be.calledOnce;
expect(extensions.preloadExtension).to.be.calledWith(
'amp-viewer-integration',
'0.1'
);
});
});
});
describes.realWin(
'preloadExtension',
{
amp: true,
fakeRegisterElement: true,
},
(env) => {
let win, doc, extensions;
beforeEach(() => {
win = env.win;
doc = win.document;
extensions = env.extensions;
});
it('should insert extension script correctly', () => {
expect(
doc.head.querySelectorAll('[custom-element="amp-test"]')
).to.have.length(0);
expect(extensions.extensions_['amp-test']).to.be.undefined;
extensions.preloadExtension('amp-test');
expect(
doc.head.querySelectorAll('[custom-element="amp-test"]')
).to.have.length(1);
expect(extensions.extensions_['amp-test'].scriptPresent).to.be.true;
expect(win.customElements.elements['amp-test']).to.be.undefined;
});
it('should insert template extension script correctly', () => {
expect(
doc.head.querySelectorAll('[custom-template="amp-mustache"]')
).to.have.length(0);
expect(extensions.extensions_['amp-mustache']).to.be.undefined;
extensions.preloadExtension('amp-mustache');
expect(
doc.head.querySelectorAll('[custom-template="amp-mustache"]')
).to.have.length(1);
expect(extensions.extensions_['amp-mustache'].scriptPresent).to.be.true;
expect(win.customElements.elements['amp-mustache']).to.be.undefined;
});
it('should insert extension script and not collide with prefixes', () => {
// First add an extension with the same suffix.
extensions.preloadExtension('amp-test-suffix');
expect(
doc.head.querySelectorAll('[custom-element="amp-test-suffix"]')
).to.have.length(1);
// Then try to add the prefix-based extension.
extensions.preloadExtension('amp-test');
expect(
doc.head.querySelectorAll('[custom-element="amp-test"]')
).to.have.length(1);
});
it('should insert extension version correctly', () => {
expect(
doc.head.querySelectorAll('[custom-element="amp-test"]')
).to.have.length(0);
expect(extensions.extensions_['amp-test']).to.be.undefined;
extensions.preloadExtension('amp-test', '1.0');
expect(
doc.head.querySelectorAll('[custom-element="amp-test"][src*="0.1"]')