Add tests for keyboard pan and zoom

test/spec/ol/interaction/keyboardpaninteraction.test.js

@@ -0,0 +1,58 @@
+/*global createMapDiv, disposeMap*/
+goog.provide('ol.test.interaction.KeyboardPan');
+
+
+describe('ol.interaction.KeyboardPan', function() {
+  var map;
+
+  beforeEach(function() {
+    map = new ol.Map({
+      target: createMapDiv(100, 100),
+      view: new ol.View({
+        center: [0, 0],
+        resolutions: [1],
+        zoom: 0
+      })
+    });
+    map.renderSync();
+  });
+  afterEach(function() {
+    disposeMap(map);
+  });
+
+  describe('handleEvent()', function() {
+    it('pans on arrow keys', function() {
+      var spy = sinon.spy(ol.interaction.Interaction, 'pan');
+      var event = new ol.MapBrowserEvent(ol.events.EventType.KEYDOWN, map, {
+        type: ol.events.EventType.KEYDOWN,
+        target: map.getTargetElement(),
+        preventDefault: ol.events.Event.prototype.preventDefault
+      });
+      event.originalEvent.keyCode = ol.events.KeyCode.DOWN;
+      map.handleMapBrowserEvent(event);
+      event.originalEvent.keyCode = ol.events.KeyCode.UP;
+      map.handleMapBrowserEvent(event);
+      event.originalEvent.keyCode = ol.events.KeyCode.LEFT;
+      map.handleMapBrowserEvent(event);
+      event.originalEvent.keyCode = ol.events.KeyCode.RIGHT;
+      map.handleMapBrowserEvent(event);
+      expect(spy.getCall(0).args[2]).to.eql([0, -128]);
+      expect(spy.getCall(1).args[2]).to.eql([0, 128]);
+      expect(spy.getCall(2).args[2]).to.eql([-128, 0]);
+      expect(spy.getCall(3).args[2]).to.eql([128, 0]);
+      ol.interaction.Interaction.pan.restore();
+    });
+  });
+
+});
+
+
+goog.require('goog.object');
+goog.require('ol.Map');
+goog.require('ol.MapBrowserEvent');
+goog.require('ol.View');
+goog.require('ol.events.Event');
+goog.require('ol.events.EventType');
+goog.require('ol.events.KeyCode');
+goog.require('ol.interaction.Interaction');
+goog.require('ol.interaction.KeyboardPan');