content: /*
   * Copyright 1999-2025 Alibaba Group Holding Ltd.
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package com.alibaba.nacos.console.proxy.ai;
  
  import com.alibaba.nacos.ai.form.a2a.admin.AgentCardForm;
  import com.alibaba.nacos.ai.form.a2a.admin.AgentCardUpdateForm;
  import com.alibaba.nacos.ai.form.a2a.admin.AgentForm;
  import com.alibaba.nacos.ai.form.a2a.admin.AgentListForm;
  import com.alibaba.nacos.api.ai.model.a2a.AgentCard;
  import com.alibaba.nacos.api.ai.model.a2a.AgentCardDetailInfo;
  import com.alibaba.nacos.api.ai.model.a2a.AgentCardVersionInfo;
  import com.alibaba.nacos.api.ai.model.a2a.AgentVersionDetail;
  import com.alibaba.nacos.api.exception.NacosException;
  import com.alibaba.nacos.api.model.Page;
  import com.alibaba.nacos.console.handler.ai.A2aHandler;
  import com.alibaba.nacos.core.model.form.PageForm;
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.Test;
  import org.junit.jupiter.api.extension.ExtendWith;
  import org.mockito.Mock;
  import org.mockito.junit.jupiter.MockitoExtension;
  
  import java.util.ArrayList;
  import java.util.List;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertNotNull;
  import static org.junit.jupiter.api.Assertions.assertThrows;
  import static org.mockito.Mockito.doNothing;
  import static org.mockito.Mockito.doThrow;
  import static org.mockito.Mockito.times;
  import static org.mockito.Mockito.verify;
  import static org.mockito.Mockito.when;
  
  /**
   * Unit tests for A2aProxy.
   *
   * @author nacos
   */
  @ExtendWith(MockitoExtension.class)
  public class A2aProxyTest {
      
      private static final String NAMESPACE_ID = "test-namespace";
      
      private static final String AGENT_NAME = "test-agent";
      
      private static final String AGENT_VERSION = "1.0.0";
      
      @Mock
      private A2aHandler a2aHandler;
      
      private A2aProxy a2aProxy;
      
      @BeforeEach
      public void setUp() {
          a2aProxy = new A2aProxy(a2aHandler);
      }
      
      @Test
      public void testRegisterAgent() throws NacosException {
          AgentCard agentCard = new AgentCard();
          agentCard.setName(AGENT_NAME);
          AgentCardForm agentCardForm = new AgentCardForm();
          
          doNothing().when(a2aHandler).registerAgent(agentCard, agentCardForm);
          
          a2aProxy.registerAgent(agentCard, agentCardForm);
          
          verify(a2aHandler, times(1)).registerAgent(agentCard, agentCardForm);
      }
      
      @Test
      public void testRegisterAgentThrowsException() throws NacosException {
          AgentCard agentCard = new AgentCard();
          agentCard.setName(AGENT_NAME);
          AgentCardForm agentCardForm = new AgentCardForm();
          NacosException expectedException = new NacosException(NacosException.INVALID_PARAM, "Invalid agent card");
          
          doThrow(expectedException).when(a2aHandler).registerAgent(agentCard, agentCardForm);
          
          NacosException actualException = assertThrows(NacosException.class,
                  () -> a2aProxy.registerAgent(agentCard, agentCardForm));
          
          assertEquals(expectedException.getErrCode(), actualException.getErrCode());
          assertEquals(expectedException.getMessage(), actualException.getMessage());
          verify(a2aHandler, times(1)).registerAgent(agentCard, agentCardForm);
      }
      
      @Test
      public void testGetAgentCard() throws NacosException {
          AgentForm form = new AgentForm();
          form.setNamespaceId(NAMESPACE_ID);
          form.setAgentName(AGENT_NAME);
          
          AgentCardDetailInfo expectedDetailInfo = new AgentCardDetailInfo();
          expectedDetailInfo.setName(AGENT_NAME);
          
          when(a2aHandler.getAgentCardWithVersions(form)).thenReturn(expectedDetailInfo);
          
          AgentCardDetailInfo actualDetailInfo = a2aProxy.getAgentCard(form);
          
          assertNotNull(actualDetailInfo);
          assertEquals(expectedDetailInfo, actualDetailInfo);
          verify(a2aHandler, times(1)).getAgentCardWithVersions(form);
      }
      
      @Test
      public void testDeleteAgent() throws NacosException {
          AgentForm form = new AgentForm();
          form.setNamespaceId(NAMESPACE_ID);
          form.setAgentName(AGENT_NAME);
          
          doNothing().when(a2aHandler).deleteAgent(form);
          
          a2aProxy.deleteAgent(form);
          
          verify(a2aHandler, times(1)).deleteAgent(form);
      }
      
      @Test
      public void testUpdateAgentCard() throws NacosException {
          AgentCard agentCard = new AgentCard();
          agentCard.setName(AGENT_NAME);
          AgentCardUpdateForm form = new AgentCardUpdateForm();
          form.setVersion(AGENT_VERSION);
          
          doNothing().when(a2aHandler).updateAgentCard(agentCard, form);
          
          a2aProxy.updateAgentCard(agentCard, form);
          
          verify(a2aHandler, times(1)).updateAgentCard(agentCard, form);
      }
      
      @Test
      public void testListAgents() throws NacosException {
          AgentListForm agentListForm = new AgentListForm();
          agentListForm.setNamespaceId(NAMESPACE_ID);
          agentListForm.setAgentName(AGENT_NAME);
          
          PageForm pageForm = new PageForm();
          pageForm.setPageNo(1);
          pageForm.setPageSize(10);
          
          Page<AgentCardVersionInfo> expectedPage = new Page<>();
          List<AgentCardVersionInfo> items = new ArrayList<>();
          AgentCardVersionInfo info = new AgentCardVersionInfo();
          info.setName(AGENT_NAME);
          items.add(info);
          expectedPage.setPageItems(items);
          expectedPage.setPageNumber(1);
          expectedPage.setPagesAvailable(1);
          expectedPage.setTotalCount(1);
          
          when(a2aHandler.listAgents(agentListForm, pageForm)).thenReturn(expectedPage);
          
          Page<AgentCardVersionInfo> actualPage = a2aProxy.listAgents(agentListForm, pageForm);
          
          assertNotNull(actualPage);
          assertEquals(expectedPage, actualPage);
          verify(a2aHandler, times(1)).listAgents(agentListForm, pageForm);
      }
      
      @Test
      public void testListAgentVersions() throws NacosException {
          List<AgentVersionDetail> expectedVersions = new ArrayList<>();
          AgentVersionDetail version = new AgentVersionDetail();
          version.setVersion(AGENT_VERSION);
          expectedVersions.add(version);
          
          when(a2aHandler.listAgentVersions(NAMESPACE_ID, AGENT_NAME)).thenReturn(expectedVersions);
          
          List<AgentVersionDetail> actualVersions = a2aProxy.listAgentVersions(NAMESPACE_ID, AGENT_NAME);
          
          assertNotNull(actualVersions);
          assertEquals(expectedVersions, actualVersions);
          verify(a2aHandler, times(1)).listAgentVersions(NAMESPACE_ID, AGENT_NAME);
      }
  }