Completing tests for map handlers.

2012-07-12 23:48:13 +02:00
parent ba986e536d
commit f4532f1548
3 changed files with 124 additions and 10 deletions
@@ -3,15 +3,43 @@ describe('ol.handler.MouseWheel', function() {

    beforeEach(function() {
        map = new ol.Map();
-        elt = goog.dom.createDom('div');
+        elt = new goog.events.EventTarget();
+        map.viewport_ = elt;
+        listener = {fn: function() {}};
+        spyOn(listener, 'fn');
    });

    describe('create a mouse wheel handler', function() {

        it('returns an ol.handler.MouseWheel instance', function() {
-            var handler = new ol.handler.MouseWheel(map, elt, {});
+            var handler = new ol.handler.MouseWheel(map, {});
            expect(handler).toBeA(ol.handler.MouseWheel);
        });

    });
+    
+    describe('dispatching events', function() {
+        
+        it('dispatches a mousewheel event', function() {
+            var handler = new ol.handler.MouseWheel(map, {});
+            goog.events.listen(map, 'mousewheel', listener.fn);
+            
+            var evt = new goog.events.MouseWheelEvent(1, 'foo', 0, 1);
+            handler.handleMouseWheel(evt);
+            
+            expect(listener.fn.calls[0].args[0].type).toBe('mousewheel');
+            expect(listener.fn.calls[0].args[0].originalEvent).toBe(evt);
+        });
+        
+        it('calls the default action on the default control', function() {
+            var control = new ol.control.DefaultControl();
+            spyOn(control, 'defaultMouseWheel');
+            map.setDefaultControl(control);
+            var handler = new ol.handler.MouseWheel(map, {});
+            
+            handler.handleMouseWheel(new goog.events.MouseWheelEvent(1, 'foo', 0, 1));
+            expect(control.defaultMouseWheel).toHaveBeenCalled();
+        });
+        
+    });
 });