🎨 #4074 【微信支付】完善小程序纯签约接口的版本字段的兼容性

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

@@ -0,0 +1,46 @@
+package com.github.binarywang.wxpay.bean.request;
+
+import com.github.binarywang.wxpay.config.WxPayConfig;
+import com.github.binarywang.wxpay.constant.WxPayConstants;
+import com.github.binarywang.wxpay.util.SignUtils;
+import com.github.binarywang.wxpay.util.XmlConfig;
+import org.testng.annotations.Test;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+/**
+ * Tests for {@link WxMaEntrustRequest}.
+ */
+public class WxMaEntrustRequestTest {
+
+  @Test
+  public void versionIsExcludedFromPayloadAndSignature() throws Exception {
+    WxMaEntrustRequest request = WxMaEntrustRequest.newBuilder()
+      .planId("plan-id")
+      .contractCode("contract-code")
+      .requestSerial(1L)
+      .contractDisplayAccount("account")
+      .notifyUrl("https://example.com/notify")
+      .timestamp("1710000000")
+      .version("1.0")
+      .build();
+    WxPayConfig config = new WxPayConfig();
+    config.setAppId("wx-app-id");
+    config.setMchId("mch-id");
+    config.setMchKey("mch-key");
+
+    request.checkAndSign(config);
+
+    assertThat(request.toString()).doesNotContain("\"version\"");
+    assertThat(request.toXML()).doesNotContain("<version");
+    boolean fastMode = XmlConfig.fastMode;
+    try {
+      XmlConfig.fastMode = true;
+      assertThat(request.toXML()).doesNotContain("<version");
+    } finally {
+      XmlConfig.fastMode = fastMode;
+    }
+    assertThat(request.getSign()).isEqualTo(SignUtils.createSign(
+      request, WxPayConstants.SignType.MD5, config.getMchKey(), null));
+  }
+}