content: /*
   * Copyright 1999-2023 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.pojo.instance;
  
  import com.alibaba.nacos.api.naming.PreservedMetadataKeys;
  import com.alibaba.nacos.api.naming.pojo.Instance;
  import com.alibaba.nacos.sys.env.EnvUtil;
  import org.junit.jupiter.api.Test;
  import org.junit.jupiter.api.extension.ExtendWith;
  import org.mockito.junit.jupiter.MockitoExtension;
  import org.springframework.mock.env.MockEnvironment;
  
  import java.util.HashMap;
  import java.util.Map;
  
  import static com.alibaba.nacos.api.common.Constants.SNOWFLAKE_INSTANCE_ID_GENERATOR;
  import static org.hamcrest.CoreMatchers.is;
  import static org.hamcrest.MatcherAssert.assertThat;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  @ExtendWith(MockitoExtension.class)
  class InstanceIdGeneratorManagerTest {
      
      static {
          MockEnvironment environment = new MockEnvironment();
          environment.setProperty("nacos.core.snowflake.worker-id", "-1");
          EnvUtil.setEnvironment(environment);
      }
      
      @Test
      void testGenerateSnowFlakeInstanceId() {
          Instance instance = new Instance();
          Map<String, String> metaData = new HashMap<>(1);
          metaData.put(PreservedMetadataKeys.INSTANCE_ID_GENERATOR, SNOWFLAKE_INSTANCE_ID_GENERATOR);
          instance.setMetadata(metaData);
          instance.setServiceName("service");
          instance.setClusterName("cluster");
          instance.setIp("1.1.1.1");
          instance.setPort(1000);
          String instanceId = InstanceIdGeneratorManager.generateInstanceId(instance);
          assertTrue(instanceId.endsWith("#cluster#service"));
      }
      
      @Test
      void testGenerateInstanceId() {
          Instance instance = new Instance();
          instance.setServiceName("service");
          instance.setClusterName("cluster");
          instance.setIp("1.1.1.1");
          instance.setPort(1000);
          assertThat(InstanceIdGeneratorManager.generateInstanceId(instance), is("1.1.1.1#1000#cluster#service"));
      }
  }
  