105 lines
2.5 KiB
JavaScript
105 lines
2.5 KiB
JavaScript
describe('Events', function() {
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var Klass;
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beforeEach(function() {
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Klass = L.Class.extend({
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includes: L.Mixin.Events
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});
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});
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describe('#fireEvent', function() {
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it('should fire all listeners added through #addEventListener', function() {
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var obj = new Klass(),
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spy = jasmine.createSpy(),
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spy2 = jasmine.createSpy(),
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spy3 = jasmine.createSpy();
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obj.addEventListener('test', spy);
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obj.addEventListener('test', spy2);
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obj.addEventListener('other', spy3);
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expect(spy).not.toHaveBeenCalled();
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expect(spy2).not.toHaveBeenCalled();
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expect(spy3).not.toHaveBeenCalled();
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obj.fireEvent('test');
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expect(spy).toHaveBeenCalled();
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expect(spy2).toHaveBeenCalled();
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expect(spy3).not.toHaveBeenCalled();
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});
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it('should provide event object to listeners and execute them in the right context', function() {
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var obj = new Klass(),
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obj2 = new Klass(),
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foo = {};
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function listener1(e) {
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expect(e.type).toEqual('test');
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expect(e.target).toEqual(obj);
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expect(this).toEqual(obj);
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expect(e.bar).toEqual(3);
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};
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function listener2(e) {
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expect(e.target).toEqual(obj2);
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expect(this).toEqual(foo);
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};
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obj.addEventListener('test', listener1);
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obj2.addEventListener('test', listener2, foo);
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obj.fireEvent('test', {bar: 3});
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});
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it('should not call listeners removed through #removeEventListener', function() {
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var obj = new Klass(),
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spy = jasmine.createSpy();
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obj.addEventListener('test', spy);
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obj.removeEventListener('test', spy);
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obj.fireEvent('test');
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expect(spy).not.toHaveBeenCalled();
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});
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});
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describe('#on & #off', function() {
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it('should work like #addEventListener && #removeEventListener', function() {
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var obj = new Klass(),
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spy = jasmine.createSpy();
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obj.on('test', spy);
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obj.fireEvent('test');
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expect(spy).toHaveBeenCalled();
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obj.off('test', spy);
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obj.fireEvent('test');
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expect(spy.callCount).toBeLessThan(2);
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});
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it('should not override existing methods with the same name', function() {
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var spy1 = jasmine.createSpy(),
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spy2 = jasmine.createSpy();
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var Klass2 = L.Class.extend({
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includes: L.Mixin.Events,
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on: spy1,
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off: spy2
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});
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var obj = new Klass2();
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obj.on();
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expect(spy1).toHaveBeenCalled();
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obj.off();
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expect(spy2).toHaveBeenCalled();
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});
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});
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}); |