clean up

test/unit/Layer-test.js

@@ -384,73 +384,6 @@ suite('Layer', function() {
     assert.equal(layer.shouldDrawHit(), true);
   });
 
-  // ======================================================
-  // skip, because we don't use this caching. It is slow.
-  test.skip('hit graph caching', function() {
-    var stage = addStage();
-    var layer = new Konva.Layer();
-    var originGetImageData = layer.getHitCanvas().getContext().getImageData;
-    var count = 0;
-    layer.getHitCanvas().getContext().getImageData = function() {
-      count += 1;
-      return originGetImageData.apply(this, arguments);
-    };
-
-    stage.add(layer);
-
-    var circle = new Konva.Circle({
-      x: stage.getWidth() / 2,
-      y: stage.getHeight() / 2,
-      radius: 70,
-      fill: 'red',
-      stroke: 'black',
-      strokeWidth: 4
-    });
-    layer.add(circle);
-    layer.draw();
-    assert.equal(count, 0, 'draw should not touch getImageData');
-    var top = stage.content.getBoundingClientRect().top;
-    stage._mousemove({
-      clientX: stage.getWidth() / 2,
-      clientY: stage.getHeight() / 2 + top
-    });
-
-    // while mouse event we need hit canvas info
-    assert.equal(count, 1, 'getImageData should be called once');
-
-    stage._mousemove({
-      clientX: stage.getWidth() / 2,
-      clientY: stage.getHeight() / 2 + top + 2
-    });
-
-    assert.equal(
-      count,
-      1,
-      'getImageData should not be called, because data is cached'
-    );
-
-    var group = new Konva.Group();
-    group.cache({
-      width: 1,
-      height: 1
-    });
-    layer.add(group);
-
-    group.draw();
-
-    stage._mousemove({
-      clientX: stage.getWidth() / 2,
-      clientY: stage.getHeight() / 2 + top + 2
-    });
-
-    // after drawing group hit cache should be cleared
-    assert.equal(
-      count,
-      2,
-      'while creating new cache getImageData should be called'
-    );
-  });
-
   test('get/set layer size', function() {
     var stage = addStage();
     var layer = new Konva.Layer();