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113 lines
3.5 KiB
TypeScript
113 lines
3.5 KiB
TypeScript
import mocha from 'mocha';
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import chai from 'chai';
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import { getNode, setRoot } from './node';
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import { elementFinderProperty } from '@iconify/iconify/lib/modules/element';
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import {
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initObserver,
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pauseObserver,
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resumeObserver,
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} from '@iconify/iconify/lib/modules/observer';
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const expect = chai.expect;
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describe('Testing observer with DOM manipulation', () => {
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it('Series of events', (done) => {
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const node = getNode('observer-manipulation');
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setRoot(node);
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let counter = 0;
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let waitingCallback: string | boolean = true;
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node.innerHTML =
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'<div></div><ul><li>test</li><li>test2</li></ul><svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" aria-hidden="true" focusable="false" role="img" width="1em" height="1em" style="-ms-transform: rotate(360deg); -webkit-transform: rotate(360deg); transform: rotate(360deg); vertical-align: -0.125em" preserveAspectRatio="xMidYMid meet" viewBox="0 0 24 24" data-icon="mdi-home" data-inline="false" class="iconify"><path d="M10 20v-6h4v6h5v-8h3L12 3L2 12h3v8h5z" fill="currentColor"></path></svg>';
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initObserver((root) => {
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expect(root.node).to.be.equal(node);
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expect(waitingCallback).to.be.equal(true);
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counter++;
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switch (counter) {
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case 1:
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// Added few nodes
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// Remove few nodes. It should not trigger event listener
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waitingCallback = 'removing nodes';
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(() => {
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const item = node.querySelector('ul > li:last-child');
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const parent = item.parentNode;
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parent.removeChild(item);
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// Set timer for next step to make sure callback is not called
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setTimeout(() => {
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// Add node. This should trigger callback
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const newItem = document.createElement('li');
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parent.appendChild(newItem);
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waitingCallback = true;
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}, 50);
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})();
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break;
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case 2:
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// Added one list item
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// Pause observer
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waitingCallback = 'pause test';
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(() => {
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const item = node.querySelector('ul > li:last-child');
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pauseObserver();
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item.innerHTML = '<string>Strong</strong> text!';
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// Set timer for next step to make sure callback is not called
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setTimeout(() => {
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// Resume observer and wait a bit. Resuming observer should not trigger update
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waitingCallback = 'resume test';
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resumeObserver();
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setTimeout(() => {
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// Change text of item: should remove <strong> and add new text node
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waitingCallback = true;
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item.innerHTML = 'Weak text!';
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}, 50);
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}, 50);
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})();
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break;
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case 3:
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waitingCallback = 'attributes on ul';
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(() => {
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const item = node.querySelector('ul');
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item.setAttribute('data-foo', 'bar');
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// Set timer for next step to make sure callback is not called
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setTimeout(() => {
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waitingCallback = true;
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const item = node.querySelector('svg');
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item[elementFinderProperty] = true; // Add fake finder property to trigger update
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item.setAttribute('data-icon', 'mdi-account');
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item.setAttribute('data-rotate', '2');
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}, 50);
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})();
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break;
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case 4:
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(() => {
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// Test removing attribute from SVG
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const item = node.querySelector('svg');
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item.removeAttribute('data-rotate');
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})();
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break;
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case 5:
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done();
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break;
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default:
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done('Unexpected callback call!');
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}
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});
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// Add few nodes to trigger observer
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node.querySelector('div').innerHTML =
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'<span class="test">Some text</span><i>!</i>';
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});
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});
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