content: /*
   * Copyright 1999-2020 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.api.naming.pojo;
  
  import com.alibaba.nacos.api.common.Constants;
  import com.alibaba.nacos.api.naming.PreservedMetadataKeys;
  import com.fasterxml.jackson.annotation.JsonInclude;
  import com.fasterxml.jackson.core.JsonProcessingException;
  import com.fasterxml.jackson.databind.DeserializationFeature;
  import com.fasterxml.jackson.databind.ObjectMapper;
  import org.junit.jupiter.api.BeforeAll;
  import org.junit.jupiter.api.Test;
  
  import java.util.Collections;
  import java.util.HashMap;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertFalse;
  import static org.junit.jupiter.api.Assertions.assertNotEquals;
  import static org.junit.jupiter.api.Assertions.assertNull;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  class InstanceTest {
      
      private static ObjectMapper mapper;
      
      @BeforeAll
      static void setUp() throws Exception {
          mapper = new ObjectMapper();
          mapper.disable(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES);
          mapper.setSerializationInclusion(JsonInclude.Include.NON_NULL);
      }
      
      @Test
      void testSetAndGet() {
          Instance instance = new Instance();
          assertNull(instance.getInstanceId());
          assertNull(instance.getIp());
          assertEquals(0, instance.getPort());
          assertEquals(1.0D, instance.getWeight(), 0.1);
          assertTrue(instance.isHealthy());
          assertTrue(instance.isEnabled());
          assertTrue(instance.isEphemeral());
          assertNull(instance.getClusterName());
          assertNull(instance.getServiceName());
          assertTrue(instance.getMetadata().isEmpty());
          setInstance(instance);
          checkInstance(instance);
      }
      
      @Test
      void testJsonSerialize() throws JsonProcessingException {
          Instance instance = new Instance();
          setInstance(instance);
          String actual = mapper.writeValueAsString(instance);
          assertTrue(actual.contains("\"instanceId\":\"id\""));
          assertTrue(actual.contains("\"ip\":\"1.1.1.1\""));
          assertTrue(actual.contains("\"port\":1000"));
          assertTrue(actual.contains("\"weight\":100.0"));
          assertTrue(actual.contains("\"healthy\":false"));
          assertTrue(actual.contains("\"enabled\":false"));
          assertTrue(actual.contains("\"ephemeral\":false"));
          assertTrue(actual.contains("\"clusterName\":\"cluster\""));
          assertTrue(actual.contains("\"serviceName\":\"group@@serviceName\""));
          assertTrue(actual.contains("\"metadata\":{\"a\":\"b\"}"));
          assertTrue(actual.contains("\"instanceHeartBeatInterval\":5000"));
          assertTrue(actual.contains("\"instanceHeartBeatTimeOut\":15000"));
          assertTrue(actual.contains("\"ipDeleteTimeout\":30000"));
      }
      
      @Test
      void testJsonDeserialize() throws JsonProcessingException {
          String json = "{\"instanceId\":\"id\",\"ip\":\"1.1.1.1\",\"port\":1000,\"weight\":100.0,\"healthy\":false,"
                  + "\"enabled\":false,\"ephemeral\":false,\"clusterName\":\"cluster\","
                  + "\"serviceName\":\"group@@serviceName\",\"metadata\":{\"a\":\"b\"},\"instanceHeartBeatInterval\":5000,"
                  + "\"instanceHeartBeatTimeOut\":15000,\"ipDeleteTimeout\":30000}";
          Instance instance = mapper.readValue(json, Instance.class);
          checkInstance(instance);
      }
      
      @Test
      void testCheckClusterNameFormat() {
          Instance instance = new Instance();
          instance.setClusterName("demo");
          assertEquals("demo", instance.getClusterName());
      }
      
      @Test
      void testToInetAddr() {
          Instance instance = new Instance();
          setInstance(instance);
          assertEquals("1.1.1.1:1000", instance.toInetAddr());
      }
      
      @Test
      void testContainsMetadata() {
          Instance instance = new Instance();
          assertFalse(instance.containsMetadata("a"));
          instance.setMetadata(null);
          assertFalse(instance.containsMetadata("a"));
          instance.addMetadata("a", "b");
          assertTrue(instance.containsMetadata("a"));
      }
      
      @Test
      void testGetInstanceIdGenerator() {
          Instance instance = new Instance();
          assertEquals(Constants.DEFAULT_INSTANCE_ID_GENERATOR, instance.getInstanceIdGenerator());
          instance.addMetadata(PreservedMetadataKeys.INSTANCE_ID_GENERATOR, "test");
          assertEquals("test", instance.getInstanceIdGenerator());
      }
      
      @Test
      void testEquals() {
          Instance actual = new Instance();
          setInstance(actual);
          actual.setMetadata(new HashMap<>());
          actual.addMetadata("a", "b");
          assertNotEquals(actual, new Object());
          Instance expected = new Instance();
          setInstance(expected);
          expected.setMetadata(new HashMap<>());
          expected.addMetadata("a", "b");
          assertEquals(actual, expected);
          expected.addMetadata("a", "c");
          assertNotEquals(actual, expected);
      }
      
      private void setInstance(Instance instance) {
          instance.setInstanceId("id");
          instance.setIp("1.1.1.1");
          instance.setPort(1000);
          instance.setWeight(100);
          instance.setHealthy(false);
          instance.setEnabled(false);
          instance.setEphemeral(false);
          instance.setClusterName("cluster");
          instance.setServiceName("group@@serviceName");
          instance.setMetadata(Collections.singletonMap("a", "b"));
      }
      
      private void checkInstance(Instance instance) {
          assertEquals("id", instance.getInstanceId());
          assertEquals("1.1.1.1", instance.getIp());
          assertEquals(1000, instance.getPort());
          assertEquals(100D, instance.getWeight(), 0.1);
          assertFalse(instance.isHealthy());
          assertFalse(instance.isEnabled());
          assertFalse(instance.isEphemeral());
          assertEquals("cluster", instance.getClusterName());
          assertEquals("group@@serviceName", instance.getServiceName());
          assertFalse(instance.getMetadata().isEmpty());
          assertTrue(instance.containsMetadata("a"));
          assertEquals("b", instance.getMetadata().get("a"));
      }
  }