From 28e0c16e943bcbbd6c093728ae2ca486299243ac Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Fri, 5 Dec 2025 08:25:52 +0000
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8D=E6=96=87=E6=A1=A3=E6=B3=A8?=
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Co-authored-by: binarywang <1343140+binarywang@users.noreply.github.com>
---
 .../result/WxPayUnifiedOrderV3Result.java     |   2 +-
 .../result/WxPayUnifiedOrderV3ResultTest.java | 201 ++++++++++++++++++
 2 files changed, 202 insertions(+), 1 deletion(-)
 create mode 100644 weixin-java-pay/src/test/java/com/github/binarywang/wxpay/bean/result/WxPayUnifiedOrderV3ResultTest.java

diff --git a/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/bean/result/WxPayUnifiedOrderV3Result.java b/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/bean/result/WxPayUnifiedOrderV3Result.java
index dc929a2cd..47445ff37 100644
--- a/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/bean/result/WxPayUnifiedOrderV3Result.java
+++ b/weixin-java-pay/src/main/java/com/github/binarywang/wxpay/bean/result/WxPayUnifiedOrderV3Result.java
@@ -58,7 +58,7 @@ public class WxPayUnifiedOrderV3Result implements Serializable {
   /**
    * <pre>
    * 字段名：二维码链接（NATIVE支付 会返回）
-   * 变量名：h5_url
+   * 变量名：code_url
    * 是否必填：是
    * 类型：string[1,512]
    * 描述：
diff --git a/weixin-java-pay/src/test/java/com/github/binarywang/wxpay/bean/result/WxPayUnifiedOrderV3ResultTest.java b/weixin-java-pay/src/test/java/com/github/binarywang/wxpay/bean/result/WxPayUnifiedOrderV3ResultTest.java
new file mode 100644
index 000000000..afcca2924
--- /dev/null
+++ b/weixin-java-pay/src/test/java/com/github/binarywang/wxpay/bean/result/WxPayUnifiedOrderV3ResultTest.java
@@ -0,0 +1,201 @@
+package com.github.binarywang.wxpay.bean.result;
+
+import com.github.binarywang.wxpay.bean.result.enums.TradeTypeEnum;
+import com.github.binarywang.wxpay.v3.util.SignUtils;
+import org.testng.Assert;
+import org.testng.annotations.Test;
+
+import java.security.KeyPair;
+import java.security.KeyPairGenerator;
+import java.security.PrivateKey;
+
+/**
+ * <pre>
+ * WxPayUnifiedOrderV3Result 测试类
+ * 主要测试prepayId字段和静态工厂方法的解耦功能
+ * </pre>
+ *
+ * @author copilot
+ */
+public class WxPayUnifiedOrderV3ResultTest {
+
+  /**
+   * 生成测试用的RSA密钥对
+   */
+  private KeyPair generateKeyPair() throws Exception {
+    KeyPairGenerator keyPairGenerator = KeyPairGenerator.getInstance("RSA");
+    keyPairGenerator.initialize(2048);
+    return keyPairGenerator.generateKeyPair();
+  }
+
+  /**
+   * 测试JsapiResult中的prepayId字段是否正确设置
+   */
+  @Test
+  public void testJsapiResultWithPrepayId() throws Exception {
+    // 准备测试数据
+    String testPrepayId = "wx201410272009395522657a690389285100";
+    String testAppId = "wx8888888888888888";
+    KeyPair keyPair = generateKeyPair();
+    PrivateKey privateKey = keyPair.getPrivate();
+
+    // 创建WxPayUnifiedOrderV3Result对象
+    WxPayUnifiedOrderV3Result result = new WxPayUnifiedOrderV3Result();
+    result.setPrepayId(testPrepayId);
+
+    // 调用getPayInfo生成JsapiResult
+    WxPayUnifiedOrderV3Result.JsapiResult jsapiResult =
+      result.getPayInfo(TradeTypeEnum.JSAPI, testAppId, null, privateKey);
+
+    // 验证prepayId字段是否正确设置
+    Assert.assertNotNull(jsapiResult.getPrepayId(), "prepayId不应为null");
+    Assert.assertEquals(jsapiResult.getPrepayId(), testPrepayId, "prepayId应该与设置的值相同");
+
+    // 验证其他字段
+    Assert.assertEquals(jsapiResult.getAppId(), testAppId);
+    Assert.assertNotNull(jsapiResult.getTimeStamp());
+    Assert.assertNotNull(jsapiResult.getNonceStr());
+    Assert.assertEquals(jsapiResult.getPackageValue(), "prepay_id=" + testPrepayId);
+    Assert.assertEquals(jsapiResult.getSignType(), "RSA");
+    Assert.assertNotNull(jsapiResult.getPaySign());
+  }
+
+  /**
+   * 测试使用静态工厂方法生成JsapiResult（解耦场景）
+   */
+  @Test
+  public void testGetJsapiPayInfoStaticMethod() throws Exception {
+    // 准备测试数据
+    String testPrepayId = "wx201410272009395522657a690389285100";
+    String testAppId = "wx8888888888888888";
+    KeyPair keyPair = generateKeyPair();
+    PrivateKey privateKey = keyPair.getPrivate();
+
+    // 使用静态工厂方法生成JsapiResult
+    WxPayUnifiedOrderV3Result.JsapiResult jsapiResult =
+      WxPayUnifiedOrderV3Result.getJsapiPayInfo(testPrepayId, testAppId, privateKey);
+
+    // 验证prepayId字段
+    Assert.assertNotNull(jsapiResult.getPrepayId(), "prepayId不应为null");
+    Assert.assertEquals(jsapiResult.getPrepayId(), testPrepayId, "prepayId应该与输入的值相同");
+
+    // 验证其他字段
+    Assert.assertEquals(jsapiResult.getAppId(), testAppId);
+    Assert.assertNotNull(jsapiResult.getTimeStamp());
+    Assert.assertNotNull(jsapiResult.getNonceStr());
+    Assert.assertEquals(jsapiResult.getPackageValue(), "prepay_id=" + testPrepayId);
+    Assert.assertEquals(jsapiResult.getSignType(), "RSA");
+    Assert.assertNotNull(jsapiResult.getPaySign());
+  }
+
+  /**
+   * 测试使用静态工厂方法生成AppResult（解耦场景）
+   */
+  @Test
+  public void testGetAppPayInfoStaticMethod() throws Exception {
+    // 准备测试数据
+    String testPrepayId = "wx201410272009395522657a690389285100";
+    String testAppId = "wx8888888888888888";
+    String testMchId = "1900000109";
+    KeyPair keyPair = generateKeyPair();
+    PrivateKey privateKey = keyPair.getPrivate();
+
+    // 使用静态工厂方法生成AppResult
+    WxPayUnifiedOrderV3Result.AppResult appResult =
+      WxPayUnifiedOrderV3Result.getAppPayInfo(testPrepayId, testAppId, testMchId, privateKey);
+
+    // 验证prepayId字段
+    Assert.assertNotNull(appResult.getPrepayId(), "prepayId不应为null");
+    Assert.assertEquals(appResult.getPrepayId(), testPrepayId, "prepayId应该与输入的值相同");
+
+    // 验证其他字段
+    Assert.assertEquals(appResult.getAppid(), testAppId);
+    Assert.assertEquals(appResult.getPartnerId(), testMchId);
+    Assert.assertNotNull(appResult.getTimestamp());
+    Assert.assertNotNull(appResult.getNoncestr());
+    Assert.assertEquals(appResult.getPackageValue(), "Sign=WXPay");
+    Assert.assertNotNull(appResult.getSign());
+  }
+
+  /**
+   * 测试解耦场景：先获取prepayId，后续再生成支付信息
+   */
+  @Test
+  public void testDecoupledScenario() throws Exception {
+    // 模拟场景：先创建订单获取prepayId
+    String testPrepayId = "wx201410272009395522657a690389285100";
+    String testAppId = "wx8888888888888888";
+    KeyPair keyPair = generateKeyPair();
+    PrivateKey privateKey = keyPair.getPrivate();
+
+    // 步骤1：模拟从创建订单接口获取prepayId
+    WxPayUnifiedOrderV3Result orderResult = new WxPayUnifiedOrderV3Result();
+    orderResult.setPrepayId(testPrepayId);
+
+    // 获取prepayId用于存储
+    String storedPrepayId = orderResult.getPrepayId();
+    Assert.assertEquals(storedPrepayId, testPrepayId);
+
+    // 步骤2：后续支付失败时，使用存储的prepayId重新生成支付信息
+    WxPayUnifiedOrderV3Result.JsapiResult newPayInfo =
+      WxPayUnifiedOrderV3Result.getJsapiPayInfo(storedPrepayId, testAppId, privateKey);
+
+    // 验证重新生成的支付信息
+    Assert.assertEquals(newPayInfo.getPrepayId(), storedPrepayId);
+    Assert.assertEquals(newPayInfo.getPackageValue(), "prepay_id=" + storedPrepayId);
+    Assert.assertNotNull(newPayInfo.getPaySign());
+  }
+
+  /**
+   * 测试多次生成支付信息，签名应该不同（因为timestamp和nonceStr每次都不同）
+   */
+  @Test
+  public void testMultipleGenerationsHaveDifferentSignatures() throws Exception {
+    String testPrepayId = "wx201410272009395522657a690389285100";
+    String testAppId = "wx8888888888888888";
+    KeyPair keyPair = generateKeyPair();
+    PrivateKey privateKey = keyPair.getPrivate();
+
+    // 生成第一次支付信息
+    WxPayUnifiedOrderV3Result.JsapiResult result1 =
+      WxPayUnifiedOrderV3Result.getJsapiPayInfo(testPrepayId, testAppId, privateKey);
+
+    // 等待一秒确保timestamp不同
+    Thread.sleep(1000);
+
+    // 生成第二次支付信息
+    WxPayUnifiedOrderV3Result.JsapiResult result2 =
+      WxPayUnifiedOrderV3Result.getJsapiPayInfo(testPrepayId, testAppId, privateKey);
+
+    // prepayId应该相同
+    Assert.assertEquals(result1.getPrepayId(), result2.getPrepayId());
+
+    // 但是timestamp、nonceStr和签名应该不同
+    Assert.assertNotEquals(result1.getTimeStamp(), result2.getTimeStamp(), "timestamp应该不同");
+    Assert.assertNotEquals(result1.getNonceStr(), result2.getNonceStr(), "nonceStr应该不同");
+    Assert.assertNotEquals(result1.getPaySign(), result2.getPaySign(), "签名应该不同");
+  }
+
+  /**
+   * 测试AppResult中的prepayId字段
+   */
+  @Test
+  public void testAppResultWithPrepayId() throws Exception {
+    String testPrepayId = "wx201410272009395522657a690389285100";
+    String testAppId = "wx8888888888888888";
+    String testMchId = "1900000109";
+    KeyPair keyPair = generateKeyPair();
+    PrivateKey privateKey = keyPair.getPrivate();
+
+    WxPayUnifiedOrderV3Result result = new WxPayUnifiedOrderV3Result();
+    result.setPrepayId(testPrepayId);
+
+    // 调用getPayInfo生成AppResult
+    WxPayUnifiedOrderV3Result.AppResult appResult =
+      result.getPayInfo(TradeTypeEnum.APP, testAppId, testMchId, privateKey);
+
+    // 验证prepayId字段
+    Assert.assertNotNull(appResult.getPrepayId(), "prepayId不应为null");
+    Assert.assertEquals(appResult.getPrepayId(), testPrepayId, "prepayId应该与设置的值相同");
+  }
+}