🎨 #3968【微信支付】修复微信支付api-host-url配置反向代理路径前缀时会导致v3签名异常的问题

weixin-java-pay/src/test/java/com/github/binarywang/wxpay/config/WxPayConfigTest.java

@@ -2,6 +2,8 @@ package com.github.binarywang.wxpay.config;
 
 import org.testng.annotations.Test;
 
+import static org.testng.Assert.assertEquals;
+
 /**
  * <pre>
  *  Created by BinaryWang on 2017/6/18.
@@ -38,6 +40,15 @@ public class WxPayConfigTest {
     payConfig.hashCode();
   }
 
+  @Test
+  public void testApiHostUrlPath() {
+    payConfig.setApiHostUrl("http://10.0.0.1:3128/");
+    payConfig.setApiHostUrlPath("api-weixin/");
+    assertEquals(payConfig.getApiHostUrl(), "http://10.0.0.1:3128");
+    assertEquals(payConfig.getApiHostUrlPath(), "/api-weixin");
+    assertEquals(payConfig.getApiHostWithPathPrefix(), "http://10.0.0.1:3128/api-weixin");
+  }
+
   @Test
   public void testInitSSLContext_base64() throws Exception {
     payConfig.setMchId("123");