Added blur filter unit tests.

test/unit/filters/Blur-test.js

@@ -0,0 +1,96 @@
+suite('Blur', function() {
+    // ======================================================
+    test('basic blur', function() {
+        var stage = addStage();
+
+        var imageObj = new Image();
+        imageObj.onload = function() {
+            
+            var layer = new Kinetic.Layer();
+            darth = new Kinetic.Image({
+                x: 10,
+                y: 10,
+                image: imageObj,
+                draggable: true
+            });
+
+            layer.add(darth);
+            stage.add(layer);
+
+            darth.setFilter(Kinetic.Filters.Blur);
+            darth.setFilterRadius(10);
+            layer.draw();
+
+        };
+        imageObj.src = 'assets/darth-vader.jpg';
+    });
+
+    // ======================================================
+    test('tween blur', function() {
+        var stage = addStage();
+
+        var imageObj = new Image();
+        imageObj.onload = function() {
+            
+            var layer = new Kinetic.Layer();
+            darth = new Kinetic.Image({
+                x: 10,
+                y: 10,
+                image: imageObj,
+                draggable: true
+            });
+
+            layer.add(darth);
+            stage.add(layer);
+
+            darth.setFilter(Kinetic.Filters.Blur);
+            darth.setFilterRadius(100);
+            layer.draw();
+
+            var tween = new Kinetic.Tween({
+              node: darth, 
+              duration: 5.0,
+              filterRadius: 0,
+              easing: Kinetic.Easings.EaseInOut
+            });
+        
+            darth.on('mouseover', function() {
+              tween.play();
+            });
+      
+            darth.on('mouseout', function() {
+              tween.reverse();
+            });
+
+        };
+        imageObj.src = 'assets/darth-vader.jpg';
+    });
+
+    // ======================================================
+    test('crop blur', function() {
+        var stage = addStage();
+
+        var imageObj = new Image();
+        imageObj.onload = function() {
+            
+            var layer = new Kinetic.Layer();
+            darth = new Kinetic.Image({
+                x: 10,
+                y: 10,
+                image: imageObj,
+                crop: {x:48, y:48, width:256, height:256},
+                draggable: true
+            });
+
+            layer.add(darth);
+            stage.add(layer);
+
+            darth.setFilter(Kinetic.Filters.Blur);
+            darth.setFilterRadius(10);
+            layer.draw();
+
+        };
+        imageObj.src = 'assets/darth-vader.jpg';
+    });
+
+});