为新增加的发送红包的接口方法添加单元测试，仅测试接口格式，未测试实际功能

weixin-java-mp/src/test/java/me/chanjar/weixin/mp/api/impl/WxMpPayServiceImplTest.java

@@ -1,12 +1,26 @@
 package me.chanjar.weixin.mp.api.impl;
 
+import org.testng.annotations.Guice;
 import org.testng.annotations.Test;
 
+import com.google.inject.Inject;
+
+import me.chanjar.weixin.mp.api.ApiTestModule;
+import me.chanjar.weixin.mp.bean.pay.WxRedpackResult;
+import me.chanjar.weixin.mp.bean.pay.WxSendRedpackRequest;
+
 /**
+ * 测试支付相关接口
  * Created by Binary Wang on 2016/7/28.
  * @author binarywang (https://github.com/binarywang)
  */
+@Test
+@Guice(modules = ApiTestModule.class)
 public class WxMpPayServiceImplTest {
+
+  @Inject
+  protected WxMpServiceImpl wxService;
+
   @Test
   public void testGetPrepayId() throws Exception {
 
@@ -54,7 +68,14 @@ public class WxMpPayServiceImplTest {
 
   @Test
   public void testSendRedpack() throws Exception {
-
+    WxSendRedpackRequest request = new WxSendRedpackRequest();
+    request.setActName("abc");
+    request.setClientIp("aaa");
+    request.setMchBillno("aaaa");
+    request
+        .setReOpenid(((ApiTestModule.WxXmlMpInMemoryConfigStorage) this.wxService.getWxMpConfigStorage()).getOpenid());
+    WxRedpackResult redpackResult = this.wxService.getPayService().sendRedpack(request);
+    System.err.println(redpackResult);
   }
 
 }

weixin-java-mp/src/test/java/me/chanjar/weixin/mp/bean/pay/WxSendRedpackRequestTest.java

@@ -0,0 +1,33 @@
+package me.chanjar.weixin.mp.bean.pay;
+
+import java.lang.reflect.Field;
+import java.util.Map.Entry;
+
+import org.joor.Reflect;
+import org.testng.annotations.Test;
+
+import com.thoughtworks.xstream.annotations.XStreamAlias;
+
+@Test
+public class WxSendRedpackRequestTest {
+
+  public void test() throws NoSuchFieldException, SecurityException {
+
+    WxSendRedpackRequest request = new WxSendRedpackRequest();
+    request.setMchBillno("123");
+    request.setActName("ab");
+    for (Entry<String, Reflect> entry : Reflect.on(request).fields().entrySet()) {
+      Reflect reflect = entry.getValue();
+      if (reflect.get() == null) {
+        continue;
+      }
+
+      Field field = WxSendRedpackRequest.class.getDeclaredField(entry.getKey());
+      if (field.isAnnotationPresent(XStreamAlias.class)) {
+        System.err.println(reflect.get() + "  =  " + field.getAnnotation(XStreamAlias.class).value());
+      }
+    }
+
+  }
+
+}