mirror of
https://github.com/videojs/video.js.git
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581 lines
18 KiB
JavaScript
581 lines
18 KiB
JavaScript
/* eslint-env qunit */
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import sinon from 'sinon';
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import evented from '../../../src/js/mixins/evented';
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import DomData from '../../../src/js/utils/dom-data';
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import * as Dom from '../../../src/js/utils/dom';
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import * as Obj from '../../../src/js/utils/obj';
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import * as Events from '../../../src/js/utils/events.js';
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// Common errors thrown by evented objects.
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const errors = {
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type: (objName, fnName) => new Error(`Invalid event type for ${objName}#${fnName}; must be a non-empty string or array.`),
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listener: (objName, fnName) => new Error(`Invalid listener for ${objName}#${fnName}; must be a function.`),
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target: (objName, fnName) => new Error(`Invalid target for ${objName}#${fnName}; must be a DOM node or evented object.`),
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trigger: (objName) => new Error(`Invalid event type for ${objName}#trigger; must be a non-empty string or object with a type key that has a non-empty value.`)
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};
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const validateListenerCall = (call, thisValue, eventExpectation) => {
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const eventActual = call.args[0];
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QUnit.assert.strictEqual(call.thisValue, thisValue, 'the listener had the expected "this" value');
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QUnit.assert.strictEqual(typeof eventActual, 'object', 'the listener was passed an event object');
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// We don't use `deepEqual` here because we only want to test a subset of
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// properties (designated by the `eventExpectation`).
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Object.keys(eventExpectation).forEach(key => {
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QUnit.assert.strictEqual(eventActual[key], eventExpectation[key], `the event had the expected "${key}"`);
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});
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};
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QUnit.module('mixins: evented', {
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beforeEach() {
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this.targets = {};
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},
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afterEach() {
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Object.keys(this.targets).forEach((k) => this.targets[k].trigger('dispose'));
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}
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});
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QUnit.test('evented() mutates an object as expected', function(assert) {
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const target = this.targets.a = {};
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assert.strictEqual(typeof evented, 'function', 'the mixin is a function');
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assert.strictEqual(evented(target), target, 'returns the target object');
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assert.ok(Obj.isObject(target), 'the target is still an object');
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assert.ok(Dom.isEl(target.eventBusEl_), 'the target has an event bus element');
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assert.strictEqual(typeof target.off, 'function', 'the target has an off method');
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assert.strictEqual(typeof target.on, 'function', 'the target has an on method');
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assert.strictEqual(typeof target.one, 'function', 'the target has a one method');
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assert.strictEqual(typeof target.trigger, 'function', 'the target has a trigger method');
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});
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QUnit.test('evented() with custom element', function(assert) {
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const target = this.targets.a = evented({foo: Dom.createEl('span')}, {eventBusKey: 'foo'});
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assert.strictEqual(target.eventBusEl_, target.foo, 'the custom DOM element is re-used');
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assert.throws(
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() => evented({foo: {}}, {eventBusKey: 'foo'}),
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new Error('The eventBusKey "foo" does not refer to an element.'),
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'throws if the target does not have an element at the supplied key'
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);
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});
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QUnit.test('trigger() errors', function(assert) {
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class Test {}
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const targeta = evented({});
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const targetb = evented(new Test());
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const targetc = evented(new Test());
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targetc.name_ = 'foo';
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[targeta, targetb, targetc].forEach((target) => {
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const objName = target.name_ || target.constructor.name || typeof target;
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const triggerError = errors.trigger(objName);
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assert.throws(() => target.trigger(), triggerError, 'expected error');
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assert.throws(() => target.trigger(' '), triggerError, 'expected error');
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assert.throws(() => target.trigger({}), triggerError, 'expected error');
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assert.throws(() => target.trigger({type: ''}), triggerError, 'expected error');
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assert.throws(() => target.trigger({type: ' '}), triggerError, 'expected error');
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delete target.eventBusEl_;
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assert.throws(() => target.trigger({type: 'foo'}), errors.target(objName, 'trigger'), 'expected error');
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});
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});
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QUnit.test('on(), one(), and any() errors', function(assert) {
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class Test {}
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const targeta = this.targets.a = evented({});
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const targetb = this.targets.b = evented({});
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const targetc = this.targets.c = evented(new Test());
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const targetd = this.targets.d = evented(new Test());
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targetd.name_ = 'foo';
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['on', 'one', 'any'].forEach(method => {
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[targeta, targetc, targetd].forEach((target) => {
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const objName = target.name_ || target.constructor.name || typeof target;
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assert.throws(() => target[method](), errors.type(objName, method), 'expected error');
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assert.throws(() => target[method](' '), errors.type(objName, method), 'expected error');
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assert.throws(() => target[method]([]), errors.type(objName, method), 'expected error');
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assert.throws(() => target[method]('x'), errors.listener(objName, method), 'expected error');
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assert.throws(() => target[method]({}, 'x', () => {}), errors.target(objName, method), 'expected error');
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assert.throws(() => target[method](targetb, 'x', null), errors.listener(objName, method), 'expected error');
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});
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});
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});
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QUnit.test('off() errors', function(assert) {
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class Test {}
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const targeta = this.targets.a = evented({});
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const targetb = this.targets.b = evented({});
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const targetc = this.targets.c = evented({});
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const targetd = this.targets.d = evented({});
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const targete = this.targets.e = evented(new Test());
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const targetf = this.targets.f = evented(new Test());
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targetf.name_ = 'foo';
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// An invalid event actually causes an invalid target error because it
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// gets passed into code that assumes the first argument is the target.
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[targeta, targete, targetf].forEach(function(target) {
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const objName = target.name_ || target.constructor.name || typeof target;
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assert.throws(() => target.off([]), errors.target(objName, 'off'), 'expected error');
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assert.throws(() => target.off({}, 'x', () => {}), errors.target(objName, 'off'), 'expected error');
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assert.throws(() => target.off(targetb, '', () => {}), errors.type(objName, 'off'), 'expected error');
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assert.throws(() => target.off(targetc, [], () => {}), errors.type(objName, 'off'), 'expected error');
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assert.throws(() => target.off(targetd, 'x', null), errors.listener(objName, 'off'), 'expected error');
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assert.throws(() => target.off(targetd, 'x', null), errors.listener(objName, 'off'), 'expected error');
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});
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});
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QUnit.test('on() can add a listener to one event type on this object', function(assert) {
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const a = this.targets.a = evented({});
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const spy = sinon.spy();
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a.on('x', spy);
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a.trigger('x');
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assert.strictEqual(spy.callCount, 1, 'the listener was called the expected number of times');
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validateListenerCall(spy.getCall(0), a, {
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type: 'x',
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target: a.eventBusEl_
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});
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});
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QUnit.test('on() can add a listener to an array of event types on this object', function(assert) {
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const a = this.targets.a = evented({});
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const spy = sinon.spy();
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a.on(['x', 'y'], spy);
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a.trigger('x');
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a.trigger('y');
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assert.strictEqual(spy.callCount, 2, 'the listener was called the expected number of times');
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validateListenerCall(spy.getCall(0), a, {
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type: 'x',
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target: a.eventBusEl_
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});
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validateListenerCall(spy.getCall(1), a, {
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type: 'y',
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target: a.eventBusEl_
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});
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});
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QUnit.test('one() can add a listener to one event type on this object', function(assert) {
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const a = this.targets.a = evented({});
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const spy = sinon.spy();
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a.one('x', spy);
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a.trigger('x');
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a.trigger('x');
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assert.strictEqual(spy.callCount, 1, 'the listener was called the expected number of times');
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validateListenerCall(spy.getCall(0), a, {
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type: 'x',
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target: a.eventBusEl_
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});
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});
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QUnit.test('one() can add a listener to an array of event types on this object', function(assert) {
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const a = this.targets.a = evented({});
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const spy = sinon.spy();
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a.one(['x', 'y'], spy);
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a.trigger('x');
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a.trigger('y');
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a.trigger('x');
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a.trigger('y');
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assert.strictEqual(spy.callCount, 2, 'the listener was called the expected number of times');
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validateListenerCall(spy.getCall(0), a, {
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type: 'x',
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target: a.eventBusEl_
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});
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validateListenerCall(spy.getCall(1), a, {
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type: 'y',
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target: a.eventBusEl_
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});
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});
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QUnit.test('one() can add a listener to an array of event types on this object', function(assert) {
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const a = this.targets.a = evented({});
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const spy = sinon.spy();
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a.one(['x', 'y'], spy);
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a.trigger('x');
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a.trigger('y');
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a.trigger('x');
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a.trigger('y');
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assert.strictEqual(spy.callCount, 2, 'the listener was called the expected number of times');
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validateListenerCall(spy.getCall(0), a, {
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type: 'x',
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target: a.eventBusEl_
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});
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validateListenerCall(spy.getCall(1), a, {
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type: 'y',
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target: a.eventBusEl_
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});
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});
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QUnit.test('any() can add a listener to one event type on this object', function(assert) {
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const a = this.targets.a = evented({});
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const spy = sinon.spy();
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a.any('x', spy);
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a.trigger('x');
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a.trigger('x');
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assert.strictEqual(spy.callCount, 1, 'the listener was called the expected number of times');
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validateListenerCall(spy.getCall(0), a, {
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type: 'x',
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target: a.eventBusEl_
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});
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});
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QUnit.test('any() can add a listener to an array of event types on this object', function(assert) {
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const a = this.targets.a = evented({});
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const spy = sinon.spy();
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a.any(['x', 'y'], spy);
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a.trigger('x');
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a.trigger('y');
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a.trigger('x');
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a.trigger('y');
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assert.strictEqual(spy.callCount, 1, 'the listener was called the expected number of times');
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validateListenerCall(spy.getCall(0), a, {
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type: 'x',
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target: a.eventBusEl_
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});
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});
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QUnit.test('on() can add a listener to one event type on a different target object', function(assert) {
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const a = this.targets.a = evented({});
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const b = this.targets.b = evented({});
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const spy = sinon.spy();
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a.on(b, 'x', spy);
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b.trigger('x');
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// Make sure we aren't magically binding a listener to "a".
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a.trigger('x');
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assert.strictEqual(spy.callCount, 1, 'the listener was called the expected number of times');
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validateListenerCall(spy.getCall(0), a, {
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type: 'x',
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target: b.eventBusEl_
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});
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});
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QUnit.test('on() can add a listener to an array of event types on a different target object', function(assert) {
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const a = this.targets.a = evented({});
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const b = this.targets.b = evented({});
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const spy = sinon.spy();
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a.on(b, ['x', 'y'], spy);
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b.trigger('x');
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b.trigger('y');
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// Make sure we aren't magically binding a listener to "a".
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a.trigger('x');
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a.trigger('y');
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assert.strictEqual(spy.callCount, 2, 'the listener was called the expected number of times');
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validateListenerCall(spy.getCall(0), a, {
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type: 'x',
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target: b.eventBusEl_
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});
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validateListenerCall(spy.getCall(1), a, {
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type: 'y',
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target: b.eventBusEl_
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});
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});
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QUnit.test('one() can add a listener to one event type on a different target object', function(assert) {
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const a = this.targets.a = evented({});
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const b = this.targets.b = evented({});
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const spy = sinon.spy();
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a.one(b, 'x', spy);
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b.trigger('x');
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// Make sure we aren't magically binding a listener to "a".
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a.trigger('x');
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assert.strictEqual(spy.callCount, 1, 'the listener was called the expected number of times');
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validateListenerCall(spy.getCall(0), a, {
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type: 'x',
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target: b.eventBusEl_
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});
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});
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// TODO: This test is incorrect! this listener should be called twice,
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// but instead all listeners are removed on the first trigger!
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// see https://github.com/videojs/video.js/issues/5962
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QUnit.test('one() can add a listener to an array of event types on a different target object', function(assert) {
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const a = this.targets.a = evented({});
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const b = this.targets.b = evented({});
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const spy = sinon.spy();
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a.one(b, ['x', 'y'], spy);
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b.trigger('x');
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b.trigger('y');
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b.trigger('x');
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b.trigger('y');
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// Make sure we aren't magically binding a listener to "a".
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a.trigger('x');
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a.trigger('y');
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assert.strictEqual(spy.callCount, 1, 'the listener was called the expected number of times');
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validateListenerCall(spy.getCall(0), a, {
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type: 'x',
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target: b.eventBusEl_
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});
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});
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QUnit.test('any() can add a listener to one event type on a different target object', function(assert) {
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const a = this.targets.a = evented({});
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const b = this.targets.b = evented({});
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const spy = sinon.spy();
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a.any(b, 'x', spy);
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b.trigger('x');
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// Make sure we aren't magically binding a listener to "a".
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a.trigger('x');
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assert.strictEqual(spy.callCount, 1, 'the listener was called the expected number of times');
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validateListenerCall(spy.getCall(0), a, {
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type: 'x',
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target: b.eventBusEl_
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});
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});
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QUnit.test('any() can add a listener to an array of event types on a different target object', function(assert) {
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const a = this.targets.a = evented({});
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const b = this.targets.b = evented({});
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const spy = sinon.spy();
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a.any(b, ['x', 'y'], spy);
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b.trigger('x');
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b.trigger('y');
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b.trigger('x');
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b.trigger('y');
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// Make sure we aren't magically binding a listener to "a".
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a.trigger('x');
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a.trigger('y');
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assert.strictEqual(spy.callCount, 1, 'the listener was called the expected number of times');
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validateListenerCall(spy.getCall(0), a, {
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type: 'x',
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target: b.eventBusEl_
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});
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});
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QUnit.test('off() with no arguments will remove all listeners from all events on this object', function(assert) {
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const a = this.targets.a = evented({});
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const spyX = sinon.spy();
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const spyY = sinon.spy();
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a.on('x', spyX);
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a.on('y', spyY);
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a.trigger('x');
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a.trigger('y');
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a.off();
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a.trigger('x');
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a.trigger('y');
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assert.strictEqual(spyX.callCount, 1, 'the listener was called the expected number of times');
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validateListenerCall(spyX.getCall(0), a, {
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type: 'x',
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target: a.eventBusEl_
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});
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assert.strictEqual(spyY.callCount, 1, 'the listener was called the expected number of times');
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validateListenerCall(spyY.getCall(0), a, {
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type: 'y',
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target: a.eventBusEl_
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});
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});
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QUnit.test('off() can remove all listeners from a single event on this object', function(assert) {
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const a = this.targets.a = evented({});
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const spyX = sinon.spy();
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const spyY = sinon.spy();
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a.on('x', spyX);
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a.on('y', spyY);
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a.trigger('x');
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a.trigger('y');
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a.off('x');
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a.trigger('x');
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a.trigger('y');
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assert.strictEqual(spyX.callCount, 1, 'the listener was called the expected number of times');
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validateListenerCall(spyX.getCall(0), a, {
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type: 'x',
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target: a.eventBusEl_
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});
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assert.strictEqual(spyY.callCount, 2, 'the listener was called the expected number of times');
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validateListenerCall(spyY.getCall(0), a, {
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type: 'y',
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target: a.eventBusEl_
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});
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validateListenerCall(spyY.getCall(1), a, {
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type: 'y',
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target: a.eventBusEl_
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});
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});
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QUnit.test('off() can remove a listener from a single event on this object', function(assert) {
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const a = this.targets.a = evented({});
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const spyX1 = sinon.spy();
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const spyX2 = sinon.spy();
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const spyY = sinon.spy();
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a.on('x', spyX1);
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a.on('x', spyX2);
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a.on('y', spyY);
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a.trigger('x');
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a.trigger('y');
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a.off('x', spyX1);
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a.trigger('x');
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a.trigger('y');
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assert.strictEqual(spyX1.callCount, 1, 'the listener was called the expected number of times');
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validateListenerCall(spyX1.getCall(0), a, {
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type: 'x',
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target: a.eventBusEl_
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});
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assert.strictEqual(spyX2.callCount, 2, 'the listener was called the expected number of times');
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validateListenerCall(spyX2.getCall(0), a, {
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type: 'x',
|
|
target: a.eventBusEl_
|
|
});
|
|
|
|
validateListenerCall(spyX2.getCall(1), a, {
|
|
type: 'x',
|
|
target: a.eventBusEl_
|
|
});
|
|
|
|
assert.strictEqual(spyY.callCount, 2, 'the listener was called the expected number of times');
|
|
|
|
validateListenerCall(spyY.getCall(0), a, {
|
|
type: 'y',
|
|
target: a.eventBusEl_
|
|
});
|
|
|
|
validateListenerCall(spyY.getCall(1), a, {
|
|
type: 'y',
|
|
target: a.eventBusEl_
|
|
});
|
|
});
|
|
|
|
QUnit.test('off() can remove a listener from a single event on a different target object', function(assert) {
|
|
const a = this.targets.a = evented({});
|
|
const b = this.targets.b = evented({});
|
|
const spy = sinon.spy();
|
|
|
|
a.on(b, 'x', spy);
|
|
b.trigger('x');
|
|
a.off(b, 'x', spy);
|
|
b.trigger('x');
|
|
|
|
assert.strictEqual(spy.callCount, 1, 'the listener was called the expected number of times');
|
|
|
|
validateListenerCall(spy.getCall(0), a, {
|
|
type: 'x',
|
|
target: b.eventBusEl_
|
|
});
|
|
});
|
|
|
|
QUnit.test('off() can remove a listener from an array of events on a different target object', function(assert) {
|
|
const a = this.targets.a = evented({});
|
|
const b = this.targets.b = evented({});
|
|
const spy = sinon.spy();
|
|
|
|
a.on(b, ['x', 'y'], spy);
|
|
b.trigger('x');
|
|
b.trigger('y');
|
|
a.off(b, ['x', 'y'], spy);
|
|
b.trigger('x');
|
|
b.trigger('y');
|
|
|
|
assert.strictEqual(spy.callCount, 2, 'the listener was called the expected number of times');
|
|
|
|
validateListenerCall(spy.getCall(0), a, {
|
|
type: 'x',
|
|
target: b.eventBusEl_
|
|
});
|
|
|
|
validateListenerCall(spy.getCall(1), a, {
|
|
type: 'y',
|
|
target: b.eventBusEl_
|
|
});
|
|
});
|
|
|
|
QUnit.test('Removes DomData on dispose', function(assert) {
|
|
const el_ = Dom.createEl('div');
|
|
const eventBusEl_ = Dom.createEl('span', {className: 'vjs-event-bus'});
|
|
const target = evented({el_, eventBusEl_}, {eventBusKey: 'eventBusEl_'});
|
|
|
|
assert.equal(DomData.get(eventBusEl_).handlers.dispose.length, 1, 'event bus has dispose handler');
|
|
assert.notOk(DomData.get(target), 'evented obj has no handlers');
|
|
assert.notOk(DomData.get(el_), 'evented el_ has handlers');
|
|
|
|
target.on('foo', () => {});
|
|
|
|
assert.equal(DomData.get(eventBusEl_).handlers.foo.length, 1, 'foo handler added to bus');
|
|
|
|
Events.on(eventBusEl_, 'bar', () => {});
|
|
assert.equal(DomData.get(eventBusEl_).handlers.bar.length, 1, 'bar handler added to bus');
|
|
|
|
Events.on(el_, 'foo', () => {});
|
|
assert.equal(DomData.get(el_).handlers.foo.length, 1, 'foo handler added to el_');
|
|
|
|
Events.on(target, 'foo', () => {});
|
|
assert.equal(DomData.get(target).handlers.foo.length, 1, 'foo handler added to evented object');
|
|
|
|
target.trigger('dispose');
|
|
assert.notOk(DomData.get(eventBusEl_), 'eventBusEl_ DomData deleted');
|
|
assert.notOk(DomData.get(target), 'evented object DomData deleted');
|
|
assert.notOk(DomData.get(el_), 'el_ DomData deleted');
|
|
});
|