47 lines
1.6 KiB
JavaScript
47 lines
1.6 KiB
JavaScript
import domEventSourceReopenable from 'consul-ui/utils/dom/event-source/reopenable';
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import { module } from 'qunit';
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import test from 'ember-sinon-qunit/test-support/test';
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module('Unit | Utility | dom/event-source/reopenable');
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const createEventSource = function() {
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return class {
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constructor(cb) {
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this.readyState = 1;
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this.source = cb;
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this.source.apply(this, arguments);
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}
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addEventListener() {}
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removeEventListener() {}
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dispatchEvent() {}
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close() {}
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};
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};
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test('it creates an Reopenable class implementing EventSource', function(assert) {
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const EventSource = createEventSource();
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const ReopenableEventSource = domEventSourceReopenable(EventSource);
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assert.ok(ReopenableEventSource instanceof Function);
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const source = new ReopenableEventSource(function() {});
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assert.ok(source instanceof EventSource);
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});
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test('it reopens the event source when reopen is called', function(assert) {
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const callable = this.stub();
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const EventSource = createEventSource();
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const ReopenableEventSource = domEventSourceReopenable(EventSource);
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const source = new ReopenableEventSource(callable);
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assert.equal(source.readyState, 1);
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// first automatic EventSource `open`
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assert.ok(callable.calledOnce);
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source.readyState = 3;
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source.reopen();
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// still only called once as it hasn't completely closed yet
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// therefore is just opened by resetting the readyState
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assert.ok(callable.calledOnce);
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assert.equal(source.readyState, 1);
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// properly close the source
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source.readyState = 2;
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source.reopen();
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// this time it is reopened via a recall of the callable
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assert.ok(callable.calledTwice);
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});
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