fix GraphicLayer UT；review by qiw

Author: hechangqun

src/common/commontypes/Util.js

@@ -127,6 +127,33 @@ const DOTS_PER_INCH = 96;
  */
 
 const Util = {
+
+  /**
+     * @function Util.extend
+     * @description 对象拷贝赋值。
+     * @param {Object} dest - 目标对象。
+     * @param {Object} arguments - 待拷贝的对象。
+     * @returns {Object} 赋值后的目标对象。
+     */
+  assign(dest) {
+    for (var index = 0; index < Object.getOwnPropertyNames(arguments).length; index++) {
+        var arg = Object.getOwnPropertyNames(arguments)[index];
+        if (arg == "caller" || arg == "callee" || arg == "length" || arg == "arguments") {
+            continue;
+        }
+        var obj = arguments[arg];
+        if (obj) {
+            for (var j = 0; j < Object.getOwnPropertyNames(obj).length; j++) {
+                var key = Object.getOwnPropertyNames(obj)[j];
+                if (arg == "caller" || arg == "callee" || arg == "length" || arg == "arguments") {
+                    continue;
+                }
+                dest[key] = obj[key];
+            }
+        }
+    }
+    return dest;
+  },
   /**
    * @memberOf CommonUtil
    * @description 复制源对象的所有属性到目标对象上，源对象上的没有定义的属性在目标对象上也不会被设置。

src/common/overlay/graphic/GraphicLayerRenderer.js

@@ -36,7 +36,7 @@
  export class GraphicLayerRenderer {
 
      constructor(id, options, callbackOptions, mapOptions) {
-         let opt = CommonUtil.extend(this,  defaultProps, options);
+         let opt = CommonUtil.assign(this,  defaultProps, options);
          /**
           * @member {string} GraphicLayerRenderer.prototype.id
           * @description 高效率点图层 ID。
@@ -63,7 +63,7 @@
             this.mapOptions.mapContainer.appendChild(this.canvas);
         }
          this._initContainer();
-         let mapState = this.callbackOptions.getState();
+         let mapState = this.getState();
          let {
              data,
              color,
@@ -162,7 +162,7 @@
              outline: this.outline
          };
 
-         CommonUtil.extend(this, styleOpt, styleOptions);
+         CommonUtil.assign(this, styleOpt, styleOptions);
          this.update();
      }
 
@@ -304,7 +304,7 @@
                  viewportChanged: true,
                  updateTriggersChanged: true
              });
-             let state = this.callbackOptions.getState();
+             let state = this.getState();
              let width = parseInt(this.canvas.style.width);
              let height = parseInt(this.canvas.style.height);
              state.width = width;
@@ -327,7 +327,7 @@
       * @description 删除该图层。
       */
      remove() {
-        this.CanvasContainer.removeChild(this.canvas);
+        this.mapOptions.mapContainer.removeChild(this.canvas);
      }
 
      /**
@@ -383,7 +383,7 @@
       * @description 绘制图层。
       */
      draw() {
-         let mapState = this.callbackOptions.getState();
+         let mapState = this.getState();
          let deckOptions = {};
 
          for (let key in mapState) {
@@ -419,5 +419,22 @@
          canvas.style.height = mapCanvas.style.height;
          return canvas;
      }
+
+     getState() {
+        let mapState = this.callbackOptions.getMapState();
+        return {
+            data: this.graphics,
+            color: this.color,
+            radius: this.radius,
+            opacity: this.opacity,
+            highlightColor: this.highlightColor,
+            radiusScale: this.radiusScale,
+            radiusMinPixels: this.radiusMinPixels,
+            radiusMaxPixels: this.radiusMaxPixels,
+            strokeWidth: this.strokeWidth,
+            outline: this.outline,
+            ...mapState
+        };
+    }
  }