mirror of
https://github.com/Polymer/polymer.git
synced 2025-02-25 18:55:30 -06:00
138 lines
4.9 KiB
HTML
138 lines
4.9 KiB
HTML
<!doctype html>
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<!--
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@license
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Copyright (c) 2017 The Polymer Project Authors. All rights reserved.
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This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
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The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
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The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
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Code distributed by Google as part of the polymer project is also
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subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
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-->
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<html>
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<head>
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<meta charset="utf-8">
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<script src="../../node_modules/@webcomponents/webcomponentsjs/webcomponents-lite.js"></script>
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<script src="wct-browser-config.js"></script>
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<script src="../../node_modules/wct-browser-legacy/browser.js"></script>
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<script type="module" src="./dynamic-imports/dynamic-element.js"></script>
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</head>
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<body>
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<dynamic-element></dynamic-element>
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<script type="module">
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import './dynamic-imports/dynamic-element.js';
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import { Base } from '../../polymer-legacy.js';
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suite('dynamic imports', function() {
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test('use importHref to load and create an element', function(done) {
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var d = document.querySelector('dynamic-element');
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d.whenDynamicContentReady(function() {
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assert.isTrue(d.isAttached, true, 'dynamic element not readied');
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assert.ok(d.$.content, 'dynamic element does not have content');
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assert.isTrue(d.$.outer.isAttached, true, 'dynamic sub-element not readied');
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assert.ok(d.$.outer.$.content, 'dynamic sub-element does not have content');
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assert.isTrue(d.$.outer.$.inner.isAttached, true, 'dynamic sub-element not readied');
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assert.ok(d.$.outer.$.inner.$.content, 'dynamic sub-element does not have content');
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done();
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});
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});
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suite('async/sync loading', function() {
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var url = 'dynamic-imports/dynamic-element.html';
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test('importHref does not cache failed results', function(done) {
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Base.importHref('does_not_exist.html', function() {
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throw new Error('Load handler should not be called.');
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}, function() {
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var link = document.head
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.querySelector('[href="does_not_exist.html"]');
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assert.isNotOk(link, 'The link should not exist');
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done();
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});
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});
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test('importHref caches successful results', function(done) {
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var targetUrl = 'dynamic-imports/async-import.html';
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Base.importHref(targetUrl, function(event) {
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var targetOne = event.target;
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Base.importHref(targetUrl, function(event) {
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var targetTwo = event.target;
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assert.isOk(targetOne, 'Event target should be available');
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assert.strictEqual(targetOne, targetTwo,
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'Link element references should be identical');
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done();
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}, done);
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}, done);
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});
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test('importHref sync loads by default', function(done) {
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Base.importHref(url, function(e) {
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assert.isFalse(e.target.hasAttribute('async'),
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'sync load is default');
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done();
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});
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});
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test('importHref sync called again, triggers load', function(done) {
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Base.importHref(url, function() {
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Base.importHref(url, function() {
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done();
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});
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});
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});
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test('importHref async loading', function(done) {
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Base.importHref('dynamic-imports/async-import.html', function(e) {
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assert.isTrue(window.asyncImportLoaded, 'flag not set from import');
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assert.isTrue(e.target.hasAttribute('async'), 'async load');
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assert.ok(e.target.import);
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done();
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}, null, true);
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});
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test('importHref does not leak event listeners on load', function(done) {
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var errorSpy = sinon.spy();
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var loadSpy = sinon.spy(function(e) {
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var target = e.target;
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target.dispatchEvent(new Event('error'));
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assert.isFalse(errorSpy.called, 'doesn\'t trigger the error event listener');
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setTimeout(function() {
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loadSpy.reset();
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target.dispatchEvent(new Event('load'));
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assert.isFalse(loadSpy.called, 'doesn\'t trigger the load event listener');
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done();
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});
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});
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Base.importHref('dynamic-imports/async-import.html', loadSpy, errorSpy, true);
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});
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test('importHref does not leak event listeners on error', function(done) {
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var loadSpy = sinon.spy();
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var errorSpy = sinon.spy(function(e) {
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var target = e.target;
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target.dispatchEvent(new Event('load'));
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assert.isFalse(loadSpy.called, 'doesn\'t trigger the load event listener');
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setTimeout(function() {
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errorSpy.reset();
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target.dispatchEvent(new Event('error'));
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assert.isFalse(errorSpy.called, 'doesn\'t trigger the error event listener');
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done();
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});
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});
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Base.importHref('dynamic-imports/async-import-invalid.html', loadSpy, errorSpy, true);
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});
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});
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});
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</script>
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</body>
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</html>
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