content: /*
   * Copyright 1999-2018 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.naming.controllers;
  
  import com.alibaba.fastjson.JSON;
  import com.alibaba.fastjson.JSONArray;
  import com.alibaba.fastjson.JSONObject;
  import com.alibaba.nacos.api.common.Constants;
  import com.alibaba.nacos.naming.BaseTest;
  import com.alibaba.nacos.naming.consistency.persistent.raft.RaftPeerSet;
  import com.alibaba.nacos.naming.core.Cluster;
  import com.alibaba.nacos.naming.core.Instance;
  import com.alibaba.nacos.naming.core.Service;
  import com.alibaba.nacos.naming.misc.UtilsAndCommons;
  import org.junit.Assert;
  import org.junit.Before;
  import org.junit.Test;
  import org.junit.runner.RunWith;
  import org.mockito.InjectMocks;
  import org.mockito.Mock;
  import org.mockito.Mockito;
  import org.springframework.mock.web.MockHttpServletResponse;
  import org.springframework.mock.web.MockServletContext;
  import org.springframework.test.context.ContextConfiguration;
  import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
  import org.springframework.test.context.web.WebAppConfiguration;
  import org.springframework.test.web.servlet.MockMvc;
  import org.springframework.test.web.servlet.request.MockHttpServletRequestBuilder;
  import org.springframework.test.web.servlet.request.MockMvcRequestBuilders;
  import org.springframework.test.web.servlet.setup.MockMvcBuilders;
  
  import java.util.ArrayList;
  import java.util.List;
  
  /**
   * @author nkorange
   */
  @RunWith(SpringJUnit4ClassRunner.class)
  @ContextConfiguration(classes = MockServletContext.class)
  @WebAppConfiguration
  public class InstanceControllerTest extends BaseTest {
  
      @InjectMocks
      private InstanceController instanceController;
  
      @Mock
      private RaftPeerSet peerSet;
  
      private MockMvc mockmvc;
  
      @Before
      public void before() {
          super.before();
          mockmvc = MockMvcBuilders.standaloneSetup(instanceController).build();
      }
  
      @Test
      public void registerInstance() throws Exception {
  
          Service service = new Service();
          service.setName(TEST_SERVICE_NAME);
  
          Cluster cluster = new Cluster(UtilsAndCommons.DEFAULT_CLUSTER_NAME, service);
          service.addCluster(cluster);
  
          Instance instance = new Instance();
          instance.setIp("1.1.1.1");
          instance.setPort(9999);
          List<Instance> ipList = new ArrayList<>();
          ipList.add(instance);
          service.updateIPs(ipList, false);
  
          Mockito.when(serviceManager.getService(Constants.DEFAULT_NAMESPACE_ID, TEST_SERVICE_NAME)).thenReturn(service);
  
          MockHttpServletRequestBuilder builder =
              MockMvcRequestBuilders.put(UtilsAndCommons.NACOS_NAMING_CONTEXT + "/instance")
                  .param("serviceName", TEST_SERVICE_NAME)
                  .param("ip", "1.1.1.1")
                  .param("port", "9999");
          String actualValue = mockmvc.perform(builder).andReturn().getResponse().getContentAsString();
  
          Assert.assertEquals("ok", actualValue);
      }
  
      @Test
      public void deregisterInstance() throws Exception {
  
          MockHttpServletRequestBuilder builder =
              MockMvcRequestBuilders.delete(UtilsAndCommons.NACOS_NAMING_CONTEXT + "/instance")
                  .param("serviceName", TEST_SERVICE_NAME)
                  .param("ip", "1.1.1.1")
                  .param("port", "9999")
                  .param("clusterName", UtilsAndCommons.DEFAULT_CLUSTER_NAME);
          String actualValue = mockmvc.perform(builder).andReturn().getResponse().getContentAsString();
  
          Assert.assertEquals("ok", actualValue);
      }
  
      @Test
      public void getInstances() throws Exception {
  
          Service service = new Service();
          service.setName(TEST_SERVICE_NAME);
  
          Cluster cluster = new Cluster(UtilsAndCommons.DEFAULT_CLUSTER_NAME, service);
          service.addCluster(cluster);
  
          Instance instance = new Instance();
          instance.setIp("10.10.10.10");
          instance.setPort(8888);
          instance.setWeight(2.0);
          instance.setServiceName(TEST_SERVICE_NAME);
          List<Instance> ipList = new ArrayList<>();
          ipList.add(instance);
          service.updateIPs(ipList, false);
  
          Mockito.when(serviceManager.getService(Constants.DEFAULT_NAMESPACE_ID, TEST_SERVICE_NAME)).thenReturn(service);
  
          MockHttpServletRequestBuilder builder =
              MockMvcRequestBuilders.get(UtilsAndCommons.NACOS_NAMING_CONTEXT + "/instance/list")
                  .param("serviceName", TEST_SERVICE_NAME);
  
          MockHttpServletResponse response = mockmvc.perform(builder).andReturn().getResponse();
          String actualValue = response.getContentAsString();
          JSONObject result = JSON.parseObject(actualValue);
  
          Assert.assertEquals(TEST_SERVICE_NAME, result.getString("name"));
          JSONArray hosts = result.getJSONArray("hosts");
          Assert.assertNotNull(hosts);
          Assert.assertEquals(hosts.size(), 1);
  
          JSONObject host = hosts.getJSONObject(0);
          Assert.assertNotNull(host);
          Assert.assertEquals("10.10.10.10", host.getString("ip"));
          Assert.assertEquals(8888, host.getIntValue("port"));
          Assert.assertEquals(2.0, host.getDoubleValue("weight"), 0.001);
      }
  
      @Test
      public void getNullServiceInstances() throws Exception {
          Mockito.when(serviceManager.getService(Constants.DEFAULT_NAMESPACE_ID, TEST_SERVICE_NAME)).thenReturn(null);
          
          MockHttpServletRequestBuilder builder =
              MockMvcRequestBuilders.get(UtilsAndCommons.NACOS_NAMING_CONTEXT + "/instance/list")
                  .param("serviceName", TEST_SERVICE_NAME);
  
          MockHttpServletResponse response = mockmvc.perform(builder).andReturn().getResponse();
          String actualValue = response.getContentAsString();
          JSONObject result = JSON.parseObject(actualValue);
  
          JSONArray hosts = result.getJSONArray("hosts");
          Assert.assertEquals(hosts.size(), 0);
      }
  }
  