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56 lines
1.3 KiB
TypeScript
56 lines
1.3 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 { listRootNodes } from '@iconify/iconify/lib/modules/root';
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import {
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initObserver,
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pauseObserver,
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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 creation', () => {
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it('Creating observer and triggering event', (done) => {
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const node = getNode('observer-creation');
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setRoot(node);
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// Get node
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const list = listRootNodes();
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expect(list.length).to.be.equal(1);
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const item = list[0];
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expect(item.node).to.be.equal(node);
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expect(item.observer).to.be.equal(void 0);
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// Do test
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let counter = 0;
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node.innerHTML = '<div></div><ul><li>test</li><li>test2</li></ul>';
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initObserver((root) => {
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expect(root.node).to.be.equal(node);
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counter++;
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// Should be called only once
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expect(counter).to.be.equal(1);
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// Check if observer is paused
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expect(item.observer).to.not.be.equal(void 0);
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expect(item.observer.paused).to.be.equal(0);
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// Pause observer
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pauseObserver();
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expect(item.observer.paused).to.be.equal(1);
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done();
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});
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// Add few nodes to trigger observer
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expect(item.observer).to.not.be.equal(void 0);
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expect(item.observer.paused).to.be.equal(0);
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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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