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