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improvements to the drag handler tests

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This commit is contained in:
Éric Lemoine
2012-07-13 17:44:46 +02:00
parent 226480af90
commit a365b0aaf3
1 changed files with 39 additions and 33 deletions
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72
test/spec/ol/handler/Drag.test.js
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@@ -1,12 +1,10 @@
describe('ol.handler.Drag', function() {
var map, elt;
var map;
beforeEach(function() {
map = new ol.Map();
elt = new goog.events.EventTarget();
var elt = new goog.events.EventTarget();
map.viewport_ = elt;
listener = {fn: function() {}};
spyOn(listener, 'fn');
});
describe('creating a drag handler', function() {
@@ -19,53 +17,61 @@ describe('ol.handler.Drag', function() {
});
describe('dispatching events', function() {
var handler, states;
beforeEach(function() {
states = {};
handler = new ol.handler.Drag(map, states);
});
it('dragstart, drag and dragend events', function() {
var handler = new ol.handler.Drag(map, {});
goog.events.listen(map, 'dragstart', listener.fn);
goog.events.listen(map, 'drag', listener.fn);
goog.events.listen(map, 'dragend', listener.fn);
var spy = spyOn(goog.events.Event, 'preventDefault').andCallThrough();
goog.events.listen(map, ol.events.MapEventType.DRAGSTART, spy);
goog.events.listen(map, ol.events.MapEventType.DRAG, spy);
goog.events.listen(map, ol.events.MapEventType.DRAGEND, spy);
handler.dragger_.dispatchEvent({type: 'start'});
handler.dragger_.dispatchEvent({type: 'drag'});
handler.dragger_.dispatchEvent({type: 'end'});
handler.dragger_.dispatchEvent({type: goog.fx.Dragger.EventType.START});
handler.dragger_.dispatchEvent({type: goog.fx.Dragger.EventType.DRAG});
handler.dragger_.dispatchEvent({type: goog.fx.Dragger.EventType.END});
expect(listener.fn.calls[0].args[0].type).toBe('dragstart');
expect(listener.fn.calls[1].args[0].type).toBe('drag');
expect(listener.fn.calls[2].args[0].type).toBe('dragend');
expect(spy.callCount).toEqual(3);
expect(spy.argsForCall[0][0].type).toEqual(ol.events.MapEventType.DRAGSTART);
expect(spy.argsForCall[1][0].type).toEqual(ol.events.MapEventType.DRAG);
expect(spy.argsForCall[2][0].type).toEqual(ol.events.MapEventType.DRAGEND);
});
it('sets the dragged state during a drag sequence', function() {
var states = {};
var handler = new ol.handler.Drag(map, states);
handler.dragger_.dispatchEvent({type: goog.fx.Dragger.EventType.DRAG});
expect(states.dragged).toBeTruthy();
handler.dragger_.dispatchEvent({type: 'drag'});
expect(states.dragged).toBe(true);
handler.dragger_.dispatchEvent({type: 'start'});
expect(states.dragged).toBe(false);
handler.dragger_.dispatchEvent({type: goog.fx.Dragger.EventType.START});
expect(states.dragged).toBeFalsy();
});
it('sets deltaX and deltaY on the ol.event.MapEvent', function() {
var handler = new ol.handler.Drag(map, {});
goog.events.listen(map, 'drag', listener.fn);
var spy = spyOn(goog.events.Event, 'preventDefault').andCallThrough();
goog.events.listen(map, ol.events.MapEventType.DRAG, spy);
handler.dragger_.dispatchEvent({type: 'start', clientX: 2, clientY: 4});
handler.dragger_.dispatchEvent({type: 'drag', clientX: 1, clientY: 2});
handler.dragger_.dispatchEvent({type: 'drag', clientX: 2, clientY: 4});
handler.dragger_.dispatchEvent({type: goog.fx.Dragger.EventType.START,
clientX: 2, clientY: 4});
handler.dragger_.dispatchEvent({type: goog.fx.Dragger.EventType.DRAG,
clientX: 1, clientY: 2});
handler.dragger_.dispatchEvent({type: goog.fx.Dragger.EventType.DRAG,
clientX: 2, clientY: 4});
expect(listener.fn.calls[0].args[0].deltaX).toBe(-1);
expect(listener.fn.calls[0].args[0].deltaY).toBe(-2);
expect(listener.fn.calls[1].args[0].deltaX).toBe(1);
expect(listener.fn.calls[1].args[0].deltaY).toBe(2);
expect(spy.callCount).toEqual(2);
expect(spy.argsForCall[0][0].deltaX).toEqual(-1);
expect(spy.argsForCall[0][0].deltaY).toEqual(-2);
expect(spy.argsForCall[1][0].deltaX).toEqual(1);
expect(spy.argsForCall[1][0].deltaY).toEqual(2);
});
it('calls the default action', function() {
var handler = new ol.handler.Drag(map, {});
spyOn(handler, 'defaultDrag');
var spy spyOn(handler, 'defaultDrag');
handler.dragger_.dispatchEvent({type: 'drag'});
expect(handler.defaultDrag).toHaveBeenCalled();
handler.dragger_.dispatchEvent({type: goog.fx.Dragger.EventType.DRAG});
expect(spy).toHaveBeenCalled();
});
});
});