refactor(xxl-rpc):重构 OpenApiControllerTest 并添加新的数据传输对象

- 将 OpenApiControllerTest 类移动到新的包 com.xxl.rpc.admin.registry.openapi
- 重写测试方法，使用新的数据传输对象 XxlRpcRegisterDTO
- 添加新的数据传输对象类：
  - RegisterInstance
  -

xxl-rpc-admin/src/test/java/com/xxl/rpc/admin/registry/openapi/OpenApiControllerTest.java

@@ -0,0 +1,98 @@
+package com.xxl.rpc.admin.registry.openapi;
+
+import com.alibaba.fastjson2.JSON;
+import com.xxl.rpc.admin.registry.model.*;
+import com.xxl.tool.net.HttpTool;
+import org.junit.jupiter.api.Test;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.web.context.request.async.DeferredResult;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+
+public class OpenApiControllerTest {
+    private static final Logger logger = LoggerFactory.getLogger(OpenApiControllerTest.class);
+
+    // admin-client
+    private static String adminAddress = "http://127.0.0.1:8080/xxl-rpc-admin";
+
+
+    @Test
+    public void test_register() {
+
+        // 1、register
+        XxlRpcRegisterDTO.RegisterRequest request = new XxlRpcRegisterDTO.RegisterRequest();
+        request.setAccessToken("defaultaccesstoken");
+        request.setEnv("test");
+        request.setInstance(new XxlRpcRegisterDTO.RegisterInstance("app01", "127.0.0.1", 8080, "{}"));
+
+        String responseBody = HttpTool.postBody(adminAddress + "/openapi/register",
+                JSON.toJSONString(request),
+                null,
+                3000);
+
+        XxlRpcRegisterDTO.OpenApiResponse openApiResponse = JSON.parseObject(responseBody, XxlRpcRegisterDTO.OpenApiResponse.class);
+
+        logger.info("result:{}, request:{}, responseBody:{}", openApiResponse.isSuccess()?"success":"fail", request, responseBody);
+    }
+
+    @Test
+    public void test_unregister() {
+
+        // 2、unregister
+        XxlRpcRegisterDTO.RegisterRequest request = new XxlRpcRegisterDTO.RegisterRequest();
+        request.setAccessToken("defaultaccesstoken");
+        request.setEnv("test");
+        request.setInstance(new XxlRpcRegisterDTO.RegisterInstance("app01", "127.0.0.1", 8080, "{}"));
+
+        String responseBody = HttpTool.postBody(adminAddress + "/openapi/unregister",
+                JSON.toJSONString(request),
+                null,
+                3000);
+
+        XxlRpcRegisterDTO.OpenApiResponse openApiResponse = JSON.parseObject(responseBody, XxlRpcRegisterDTO.OpenApiResponse.class);
+        logger.info("result:{}, request:{}, responseBody:{}", openApiResponse.isSuccess()?"success":"fail", request, responseBody);
+    }
+
+    @Test
+    public void test_discovery() {
+
+        // 3、discovery
+        XxlRpcRegisterDTO.DiscoveryRequest request = new XxlRpcRegisterDTO.DiscoveryRequest();
+        request.setAccessToken("defaultaccesstoken");
+        request.setEnv("test");
+        request.setAppnameList(Arrays.asList("app01", "app02"));
+        request.setSimpleQuery(false);
+
+        String responseBody = HttpTool.postBody(adminAddress + "/openapi/discovery",
+                JSON.toJSONString(request),
+                null,
+                3000
+        );
+        XxlRpcRegisterDTO.DiscoveryResponse discoveryResponse = JSON.parseObject(responseBody, XxlRpcRegisterDTO.DiscoveryResponse.class);
+        logger.info("result:{}, request:{}, responseBody:{}", discoveryResponse.isSuccess()?"success":"fail", request, responseBody);
+    }
+
+    @Test
+    public void test_monitor() {
+
+        // 4、monitor
+        DiscoveryRequest request = new DiscoveryRequest();
+        request.setAccessToken("defaultaccesstoken");
+        request.setEnv("test");
+        request.setAppnameList(Arrays.asList("app01", "app02"));
+        request.setSimpleQuery(false);
+
+        String responseBody = HttpTool.postBody(adminAddress + "/openapi/monitor",
+                JSON.toJSONString(request),
+                null,
+                3000);
+
+        DeferredResult<OpenApiResponse<String>> discoveryResponse = JSON.parseObject(responseBody, DeferredResult.class);
+        OpenApiResponse<String> result = (OpenApiResponse<String>) discoveryResponse.getResult();
+        logger.info("result:{}, request:{}, responseBody:{}", result.isSuccess()?"success":"fail", request, responseBody);
+    }
+
+
+}