🎨 #3656 【微信支付】 修复平台收付通 - 合单支付 - 关闭订单接口，增加缺少的两个参数

weixin-java-pay/src/test/java/com/github/binarywang/wxpay/bean/request/CombineCloseRequestTest.java

@@ -0,0 +1,47 @@
+package com.github.binarywang.wxpay.bean.request;
+
+import com.google.gson.Gson;
+import org.testng.annotations.Test;
+
+import java.util.Arrays;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+/**
+ * @author <a href="https://github.com/binarywang">Binary Wang</a>
+ * created on  2024-12-19
+ */
+public class CombineCloseRequestTest {
+
+  @Test
+  public void testSerialization() {
+    CombineCloseRequest request = new CombineCloseRequest();
+    request.setCombineAppid("wxd678efh567hg6787");
+    request.setCombineOutTradeNo("P20150806125346");
+
+    CombineCloseRequest.SubOrders subOrder = new CombineCloseRequest.SubOrders();
+    subOrder.setMchid("1900000109");
+    subOrder.setOutTradeNo("20150806125346");
+    subOrder.setSubMchid("1230000109");
+    subOrder.setSubAppid("wxd678efh567hg6999");
+
+    request.setSubOrders(Arrays.asList(subOrder));
+
+    Gson gson = new Gson();
+    String json = gson.toJson(request);
+
+    // Verify that the JSON contains the new fields
+    assertThat(json).contains("\"sub_mchid\":\"1230000109\"");
+    assertThat(json).contains("\"sub_appid\":\"wxd678efh567hg6999\"");
+    assertThat(json).contains("\"combine_appid\":\"wxd678efh567hg6787\"");
+    assertThat(json).contains("\"mchid\":\"1900000109\"");
+    assertThat(json).contains("\"out_trade_no\":\"20150806125346\"");
+
+    // Verify deserialization works
+    CombineCloseRequest deserializedRequest = gson.fromJson(json, CombineCloseRequest.class);
+    assertThat(deserializedRequest.getCombineAppid()).isEqualTo("wxd678efh567hg6787");
+    assertThat(deserializedRequest.getSubOrders()).hasSize(1);
+    assertThat(deserializedRequest.getSubOrders().get(0).getSubMchid()).isEqualTo("1230000109");
+    assertThat(deserializedRequest.getSubOrders().get(0).getSubAppid()).isEqualTo("wxd678efh567hg6999");
+  }
+}