78 lines
3.2 KiB
JavaScript
78 lines
3.2 KiB
JavaScript
describe('ol.handler.Drag', function() {
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var map;
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beforeEach(function() {
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map = new ol.Map();
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var elt = new goog.events.EventTarget();
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map.viewport_ = elt;
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});
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describe('creating a drag handler', function() {
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it('returns an ol.handler.Drag instance', function() {
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var handler = new ol.handler.Drag(map, {});
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expect(handler).toBeA(ol.handler.Drag);
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});
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});
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describe('dispatching events', function() {
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var handler, states;
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beforeEach(function() {
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states = {};
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handler = new ol.handler.Drag(map, states);
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});
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it('dragstart, drag and dragend events', function() {
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var spy = spyOn(goog.events.Event, 'preventDefault').andCallThrough();
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goog.events.listen(map, ol.events.MapEventType.DRAGSTART, spy);
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goog.events.listen(map, ol.events.MapEventType.DRAG, spy);
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goog.events.listen(map, ol.events.MapEventType.DRAGEND, spy);
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handler.dragger_.dispatchEvent({type: goog.fx.Dragger.EventType.START});
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handler.dragger_.dispatchEvent({type: goog.fx.Dragger.EventType.DRAG});
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handler.dragger_.dispatchEvent({type: goog.fx.Dragger.EventType.END});
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expect(spy.callCount).toEqual(3);
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expect(spy.argsForCall[0][0].type).toEqual(ol.events.MapEventType.DRAGSTART);
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expect(spy.argsForCall[1][0].type).toEqual(ol.events.MapEventType.DRAG);
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expect(spy.argsForCall[2][0].type).toEqual(ol.events.MapEventType.DRAGEND);
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});
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it('sets the dragged state during a drag sequence', function() {
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handler.dragger_.dispatchEvent({type: goog.fx.Dragger.EventType.DRAG});
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expect(states.dragged).toBeTruthy();
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handler.dragger_.dispatchEvent({type: goog.fx.Dragger.EventType.START});
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expect(states.dragged).toBeFalsy();
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});
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it('sets deltaX and deltaY on the ol.event.MapEvent', function() {
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var spy = spyOn(goog.events.Event, 'preventDefault').andCallThrough();
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goog.events.listen(map, ol.events.MapEventType.DRAG, spy);
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handler.dragger_.dispatchEvent({type: goog.fx.Dragger.EventType.START,
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clientX: 2, clientY: 4});
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handler.dragger_.dispatchEvent({type: goog.fx.Dragger.EventType.DRAG,
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clientX: 1, clientY: 2});
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handler.dragger_.dispatchEvent({type: goog.fx.Dragger.EventType.DRAG,
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clientX: 2, clientY: 4});
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expect(spy.callCount).toEqual(2);
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expect(spy.argsForCall[0][0].deltaX).toEqual(-1);
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expect(spy.argsForCall[0][0].deltaY).toEqual(-2);
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expect(spy.argsForCall[1][0].deltaX).toEqual(1);
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expect(spy.argsForCall[1][0].deltaY).toEqual(2);
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});
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it('calls the default action', function() {
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var handler = new ol.handler.Drag(map, {});
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var spy spyOn(handler, 'defaultDrag');
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handler.dragger_.dispatchEvent({type: goog.fx.Dragger.EventType.DRAG});
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expect(spy).toHaveBeenCalled();
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});
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});
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});
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