content: /*
   * Copyright 2013-2023 the original author or authors.
   *
   * 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
   *
   *      https://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.cloud.nacos.discovery;
  
  import java.util.ArrayList;
  import java.util.HashMap;
  import java.util.LinkedList;
  import java.util.List;
  
  import com.alibaba.cloud.nacos.NacosDiscoveryProperties;
  import com.alibaba.cloud.nacos.NacosServiceManager;
  import com.alibaba.nacos.api.exception.NacosException;
  import com.alibaba.nacos.api.naming.NamingService;
  import com.alibaba.nacos.api.naming.pojo.Instance;
  import com.alibaba.nacos.api.naming.pojo.ListView;
  import org.junit.jupiter.api.Test;
  
  import org.springframework.cloud.client.ServiceInstance;
  
  import static com.alibaba.cloud.nacos.test.NacosMockTest.serviceInstance;
  import static org.assertj.core.api.Assertions.assertThat;
  import static org.mockito.ArgumentMatchers.eq;
  import static org.mockito.Mockito.mock;
  import static org.mockito.Mockito.when;
  
  /**
   * @author xiaojing
   * @author echooymxq
   **/
  public class NacosServiceDiscoveryTest {
  
  	private String host = "123.123.123.123";
  
  	private int port = 8888;
  
  	private String serviceName = "test-service";
  
  	@Test
  	public void testGetInstances() throws NacosException {
  		ArrayList<Instance> instances = new ArrayList<>();
  
  		HashMap<String, String> map = new HashMap<>();
  		map.put("test-key", "test-value");
  		map.put("secure", "true");
  
  		instances.add(serviceInstance(serviceName, true, host, port, map));
  
  		NacosDiscoveryProperties nacosDiscoveryProperties = mock(
  				NacosDiscoveryProperties.class);
  		NacosServiceManager nacosServiceManager = mock(NacosServiceManager.class);
  
  		NamingService namingService = mock(NamingService.class);
  
  		when(nacosServiceManager.getNamingService())
  						.thenReturn(namingService);
  		when(nacosDiscoveryProperties.getGroup()).thenReturn("DEFAULT");
  		when(namingService.selectInstances(eq(serviceName), eq("DEFAULT"), eq(true)))
  				.thenReturn(instances);
  
  		NacosServiceDiscovery serviceDiscovery = new NacosServiceDiscovery(
  				nacosDiscoveryProperties, nacosServiceManager);
  
  		List<ServiceInstance> serviceInstances = serviceDiscovery
  				.getInstances(serviceName);
  
  		assertThat(serviceInstances.size()).isEqualTo(1);
  
  		ServiceInstance serviceInstance = serviceInstances.get(0);
  
  		assertThat(serviceInstance.getServiceId()).isEqualTo(serviceName);
  		assertThat(serviceInstance.getHost()).isEqualTo(host);
  		assertThat(serviceInstance.getPort()).isEqualTo(port);
  		assertThat(serviceInstance.isSecure()).isEqualTo(true);
  		assertThat(serviceInstance.getUri().toString())
  				.isEqualTo(getUri(serviceInstance));
  		assertThat(serviceInstance.getMetadata().get("test-key")).isEqualTo("test-value");
  	}
  
  	@Test
  	public void testGetServices() throws NacosException {
  		ListView<String> nacosServices = new ListView<>();
  
  		nacosServices.setData(new LinkedList<>());
  
  		nacosServices.getData().add(serviceName + "1");
  		nacosServices.getData().add(serviceName + "2");
  		nacosServices.getData().add(serviceName + "3");
  
  		NacosDiscoveryProperties nacosDiscoveryProperties = mock(
  				NacosDiscoveryProperties.class);
  		NacosServiceManager nacosServiceManager = mock(NacosServiceManager.class);
  
  		NamingService namingService = mock(NamingService.class);
  
  		when(nacosServiceManager
  				.getNamingService())
  						.thenReturn(namingService);
  		when(nacosDiscoveryProperties.getGroup()).thenReturn("DEFAULT");
  		when(namingService.getServicesOfServer(eq(1), eq(Integer.MAX_VALUE),
  				eq("DEFAULT"))).thenReturn(nacosServices);
  
  		NacosServiceDiscovery serviceDiscovery = new NacosServiceDiscovery(
  				nacosDiscoveryProperties, nacosServiceManager);
  
  		List<String> services = serviceDiscovery.getServices();
  
  		assertThat(services.size()).isEqualTo(3);
  		assertThat(services.contains(serviceName + "1"));
  		assertThat(services.contains(serviceName + "2"));
  		assertThat(services.contains(serviceName + "3"));
  	}
  
  	private String getUri(ServiceInstance instance) {
  
  		if (instance.isSecure()) {
  			return "https://" + host + ":" + port;
  		}
  
  		return "http://" + host + ":" + port;
  	}
  
  }
  