From 923c466572eda9aa08bfcc56e1becb5a7f749944 Mon Sep 17 00:00:00 2001
From: Anton Lavrenov <lavrton@gmail.com>
Date: Sun, 26 Apr 2015 07:26:54 +0700
Subject: [PATCH] test for toDataURL + HDPI

---
 test/unit/Node-test.js  | 53 +++++++++++++++++++++++++----------------
 test/unit/Stage-test.js | 39 ++++++++++++++++++++++++++++++
 2 files changed, 72 insertions(+), 20 deletions(-)

diff --git a/test/unit/Node-test.js b/test/unit/Node-test.js
index 4fa52cb3..389356ee 100644
--- a/test/unit/Node-test.js
+++ b/test/unit/Node-test.js
@@ -280,33 +280,46 @@ suite('Node', function() {
     });
 
     // ======================================================
-    test('test pixel ratio toDataURL', function() {
+    test.only('toDataURL + HDPI', function(done) {
+        var oldRatio = Konva.pixelRatio;
+        Konva.pixelRatio = 2;
+
         var stage = addStage();
         var layer = new Konva.Layer();
-
-        // override pixel ratio
-
-        layer.canvas = new Konva.SceneCanvas({
-           pixelRatio: 2
-        });
-        layer.canvas._canvas.style.position = 'absolute';
-
-        var circle = new Konva.Circle({
-            x: stage.getWidth() / 2,
-            y: stage.getHeight() / 2,
-            radius: 70,
-            fill: 'green',
-            stroke: 'black',
-            strokeWidth: 4
-        });
-
-        layer.add(circle);
         stage.add(layer);
 
-        assert.equal(layer.canvas.pixelRatio, 2);
+        var circle = new Konva.Circle({
+            fill : 'green',
+            x : stage.width() / 2,
+            y : stage.height() / 2,
+            radius : 50
+        });
+        layer.add(circle);
 
+        var layer2 = new Konva.Layer();
+        stage.add(layer2);
+
+        stage.draw();
+        stage.toDataURL({
+            callback : function(url) {
+                console.log(url);
+                var img = new Image();
+                img.onload = function() {
+                    var image = new Konva.Image({
+                        image : img
+                    });
+                    layer2.add(image);
+                    layer2.draw();
+                    compareLayers(layer, layer2);
+                    done();
+                }
+                img.src = url;
+            }
+        });
     });
 
+
+
     // ======================================================
     test('listen and don\'t listen', function() {
         var stage = addStage();
diff --git a/test/unit/Stage-test.js b/test/unit/Stage-test.js
index 51f80d11..dc809157 100644
--- a/test/unit/Stage-test.js
+++ b/test/unit/Stage-test.js
@@ -521,4 +521,43 @@ suite('Stage', function() {
         assert.equal(Konva.isDragging(), false);
         assert.equal(Konva.DD.node, undefined);
     });
+
+    test.skip('toDataURL + HDPI', function(done) {
+        Konva.pixelRatio = 2;
+
+        var stage = addStage();
+        var layer = new Konva.Layer();
+
+        var image = new Image();
+        image.onload = function() {
+            var lion = new Konva.Image({
+                image: image,
+                draggable: true
+            });
+
+            lion.cache();
+            lion.drawHitFromCache();
+
+            layer.add(lion);
+            stage.add(layer);
+            stage.draw();
+
+            var snapshotStage = addStage();
+
+            stage.toImage({
+                callback: function (image) {
+                    var imageNode = new Konva.Image({
+                        image: image
+                    });
+                    var snapshotLayer = new Konva.Layer();
+                    snapshotLayer.add(imageNode);
+                    snapshotStage.add(snapshotLayer);
+                    snapshotStage.draw();
+                    Konva.pixelRatio = undefined;
+                    done();
+                }
+            });
+        };
+        image.src = 'assets/lion.png';
+    });
 });
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