fix parallax test

Author: jljsj33

tests/parallax.spec.js

@@ -4,7 +4,6 @@ import ReactDom from 'react-dom';
 import expect from 'expect.js';
 import TestUtils from 'react-dom/test-utils';
 import ticker from 'rc-tween-one/lib/ticker';
-
 import ScrollAnim from '../index';
 
 const windowHeight = 500;
@@ -14,23 +13,25 @@ const endHeight = startHeight + windowHeight;
 describe('rc-scroll-anim', () => {
   let div;
   let instance;
-  function createScrollParallax(cProps) {
-    function ParallaxDemo (props) {
-      return (<div
-        style={{ height: 500, overflow: 'scroll', position: 'absolute', width: '100%', top: 0 }}
-        id="c-div"
-      >
-        <div style={{ height: 1000 }} />
-        <div style={{ height: 1000 }}>
+  function createScrollParallax(props) {
+    class ParallaxDemo extends React.PureComponent {
+      render() {
+        return (<div
+          style={{ height: 500, overflow: 'scroll', position: 'absolute', width: '100%', top: 0 }}
+          id="c-div"
+        >
+          <div style={{ height: 1000 }} />
+          <div style={{ height: 1000 }}>
             -------------
-          <ScrollAnim.Parallax {...props} targetId="c-div">
+            <ScrollAnim.Parallax {...this.props} targetId="c-div">
               demo
-          </ScrollAnim.Parallax>
+            </ScrollAnim.Parallax>
             -------------
-        </div>
-      </div>);
+          </div>
+        </div>);
+      }
     }
-    return ReactDom.render(<ParallaxDemo {...cProps} />, div);
+    return ReactDom.render(<ParallaxDemo {...props} />, div);
   }
 
   beforeEach(() => {
@@ -103,4 +104,4 @@ describe('rc-scroll-anim', () => {
       }, 350);
     }, 350);
   });
-});
+});