102 lines
2.6 KiB
JavaScript
102 lines
2.6 KiB
JavaScript
describe('DomEvent', function() {
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var el;
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function simulateClick(el) {
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if (document.createEvent) {
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var e = document.createEvent('MouseEvents');
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e.initMouseEvent('click', true, true, window,
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0, 0, 0, 0, 0, false, false, false, false, 0, null);
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return el.dispatchEvent(e);
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} else if (el.fireEvent) {
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return el.fireEvent('onclick');
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}
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}
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beforeEach(function() {
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el = document.createElement('div');
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el.style.position = 'absolute';
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el.style.top = el.style.left = '-10000px';
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document.body.appendChild(el);
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});
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afterEach(function() {
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document.body.removeChild(el);
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});
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describe('#addListener', function() {
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it('should add a listener and call it on event', function() {
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var listener1 = jasmine.createSpy('listener1'),
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listener2 = jasmine.createSpy('listener2');
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L.DomEvent.addListener(el, 'click', listener1);
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L.DomEvent.addListener(el, 'click', listener2);
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simulateClick(el);
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expect(listener1).toHaveBeenCalled();
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expect(listener2).toHaveBeenCalled();
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});
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it('should have "this" keyword point to the given context', function() {
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var obj = {foo: 'bar'},
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result;
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L.DomEvent.addListener(el, 'click', function() {
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result = this;
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}, obj);
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simulateClick(el);
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expect(result).toEqual(obj);
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});
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it('should pass an event object to the listener', function() {
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var type;
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L.DomEvent.addListener(el, 'click', function(e) {
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type = e && e.type;
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});
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simulateClick(el);
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expect(type).toEqual('click');
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});
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});
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describe('#removeListener', function() {
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it('should remove prevously added listener', function() {
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var listener = jasmine.createSpy('listener');
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L.DomEvent.addListener(el, 'click', listener);
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L.DomEvent.removeListener(el, 'click', listener);
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simulateClick(el);
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expect(listener).not.toHaveBeenCalled();
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});
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});
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describe('#stopPropagation', function() {
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it('should stop propagation of the given event', function() {
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var child = document.createElement('div'),
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listener = jasmine.createSpy('listener');
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el.appendChild(child);
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L.DomEvent.addListener(child, 'click', L.DomEvent.stopPropagation);
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L.DomEvent.addListener(el, 'click', listener);
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simulateClick(child);
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expect(listener).not.toHaveBeenCalled();
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el.removeChild(child);
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});
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});
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describe('#preventDefault', function() {
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it('should prevent the default action of event', function() {
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L.DomEvent.addListener(el, 'click', L.DomEvent.preventDefault);
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expect(simulateClick(el)).toBe(false);
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});
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});
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}); |