Files
openlayers/test/spec/ol/pointer/touchsource.test.js
2015-10-12 20:45:49 +02:00

139 lines
4.4 KiB
JavaScript

goog.provide('ol.test.pointer.TouchSource');
goog.require('goog.object');
describe('ol.pointer.TouchSource', function() {
var handler;
var target;
var eventSpy;
beforeEach(function() {
target = goog.dom.createElement('DIV');
// make sure that a mouse and touch event source is used
ol.has.POINTER = false;
ol.has.MSPOINTER = false;
ol.has.TOUCH = true;
handler = new ol.pointer.PointerEventHandler(target);
eventSpy = sinon.spy();
});
afterEach(function() {
handler.dispose();
});
describe('pointer event creation', function() {
it('generates pointer events for each touch contact', function() {
goog.events.listen(handler, 'pointerdown', eventSpy);
simulateTouchEvent('touchstart', [
{identifier: 3, clientX: 10, clientY: 11},
{identifier: 4, clientX: 30, clientY: 45}
]);
expect(eventSpy.calledTwice).to.be.ok();
// pointer event for the first touch contact
var pointerEvent1 = eventSpy.firstCall.args[0];
expect(pointerEvent1.pointerId).to.be(5);
expect(pointerEvent1.pointerType).to.be('touch');
expect(pointerEvent1.clientX).to.be(10);
expect(pointerEvent1.clientY).to.be(11);
// pointer event for the second touch contact
var pointerEvent2 = eventSpy.secondCall.args[0];
expect(pointerEvent2.pointerId).to.be(6);
expect(pointerEvent2.pointerType).to.be('touch');
expect(pointerEvent2.clientX).to.be(30);
expect(pointerEvent2.clientY).to.be(45);
expect(goog.object.getCount(handler.pointerMap)).to.be(2);
});
it('creates the right pointer events', function() {
goog.events.listen(handler, 'pointerdown', eventSpy);
// first touch
simulateTouchEvent('touchstart', [
{identifier: 3, clientX: 10, clientY: 11}
]);
expect(eventSpy.calledOnce).to.be.ok();
expect(goog.object.getCount(handler.pointerMap)).to.be(1);
// second touch (first touch still down)
simulateTouchEvent('touchstart', [
{identifier: 4, clientX: 30, clientY: 45}
], [{identifier: 3}, {identifier: 4}]
);
expect(eventSpy.calledTwice).to.be.ok();
expect(goog.object.getCount(handler.pointerMap)).to.be(2);
// first touch moves
var moveEventSpy = sinon.spy();
goog.events.listen(handler, 'pointermove', moveEventSpy);
simulateTouchEvent('touchmove', [
{identifier: 3, clientX: 15, clientY: 16}
], [{identifier: 3}, {identifier: 4}]
);
expect(moveEventSpy.calledOnce).to.be.ok();
// and then both touches go up
var upEventSpy = sinon.spy();
goog.events.listen(handler, 'pointerup', upEventSpy);
simulateTouchEvent('touchend', [
{identifier: 3, clientX: 15, clientY: 16},
{identifier: 4, clientX: 30, clientY: 45}
], [{identifier: 3}, {identifier: 4}]
);
expect(upEventSpy.calledTwice).to.be.ok();
expect(goog.object.getCount(handler.pointerMap)).to.be(0);
});
it('handles flawed touches', function() {
goog.events.listen(handler, 'pointerdown', eventSpy);
// first touch
simulateTouchEvent('touchstart', [
{identifier: 3, clientX: 10, clientY: 11}
]);
expect(eventSpy.calledOnce).to.be.ok();
expect(goog.object.getCount(handler.pointerMap)).to.be(1);
// second touch, but the first touch has disappeared
var cancelEventSpy = sinon.spy();
goog.events.listen(handler, 'pointercancel', cancelEventSpy);
simulateTouchEvent('touchstart', [
{identifier: 4, clientX: 30, clientY: 45}
], [{identifier: 4}]
);
expect(eventSpy.calledTwice).to.be.ok();
// the first (broken) touch is canceled
expect(cancelEventSpy.calledOnce).to.be.ok();
expect(goog.object.getCount(handler.pointerMap)).to.be(1);
});
});
function simulateTouchEvent(type, changedTouches, touches) {
touches = touches !== undefined ? touches : changedTouches;
var event = new goog.events.BrowserEvent({
type: type,
touches: touches,
changedTouches: changedTouches
});
goog.events.fireListeners(target, type, false, event);
}
});
goog.require('goog.dom');
goog.require('goog.events');
goog.require('goog.events.BrowserEvent');
goog.require('ol.has');
goog.require('ol.pointer.PointerEvent');
goog.require('ol.pointer.PointerEventHandler');
goog.require('ol.pointer.TouchSource');