refactor tests

test/unit/Group-test.ts

@@ -0,0 +1,48 @@
+import { addStage, cloneAndCompareLayer, Konva } from './utis';
+
+describe('Group', function () {
+  // ======================================================
+  it('cache group with text', function () {
+    var stage = addStage();
+
+    var layer = new Konva.Layer();
+    var group = new Konva.Group({
+      draggable: true,
+      x: 50,
+      y: 40,
+    });
+    var text = new Konva.Text({
+      text: 'some text',
+      fontSize: 20,
+      fill: 'black',
+      y: 50,
+    });
+
+    var rect = new Konva.Rect({
+      height: 100,
+      width: 100,
+      stroke: 'black',
+      strokeWidth: 10,
+      // cornerRadius: 1,
+    });
+    group.add(text);
+    group.add(rect);
+    layer.add(group);
+
+    stage.add(layer);
+
+    group
+      .cache({
+        x: -15,
+        y: -15,
+        width: 150,
+        height: 150,
+      })
+      .offsetX(5)
+      .offsetY(5);
+
+    layer.draw();
+
+    cloneAndCompareLayer(layer, 200);
+  });
+});