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.client.config.impl;
  
  import com.alibaba.nacos.api.config.ConfigChangeEvent;
  import com.alibaba.nacos.api.config.PropertyChangeType;
  import com.alibaba.nacos.api.config.listener.AbstractSharedListener;
  import com.alibaba.nacos.api.config.listener.Listener;
  import com.alibaba.nacos.api.exception.NacosException;
  import com.alibaba.nacos.client.config.filter.impl.ConfigFilterChainManager;
  import com.alibaba.nacos.client.config.listener.impl.AbstractConfigChangeListener;
  import com.alibaba.nacos.common.notify.Event;
  import com.alibaba.nacos.common.notify.NotifyCenter;
  import com.alibaba.nacos.common.notify.listener.Subscriber;
  import com.alibaba.nacos.common.utils.MD5Utils;
  import org.junit.jupiter.api.Test;
  
  import java.util.ArrayList;
  import java.util.Date;
  import java.util.List;
  import java.util.Properties;
  import java.util.concurrent.Executor;
  import java.util.concurrent.atomic.AtomicReference;
  
  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 CacheDataTest {
      
      @Test
      void testConstructorAndEquals() {
          ConfigFilterChainManager filter = new ConfigFilterChainManager(new Properties());
          final CacheData cacheData1 = new CacheData(filter, "name1", "key", "group", "tenant");
          assertEquals("CacheData [key, group]", cacheData1.toString());
          
          final CacheData cacheData2 = new CacheData(filter, "name2", "key", "group");
          assertEquals(cacheData1, cacheData2);
          assertEquals(cacheData1.hashCode(), cacheData2.hashCode());
          
          final CacheData cacheData3 = new CacheData(filter, "name2", "key3", "group", "tenant");
          assertNotEquals(cacheData1, cacheData3);
      }
      
      @Test
      void testGetter() {
          ConfigFilterChainManager filter = new ConfigFilterChainManager(new Properties());
          final CacheData cacheData1 = new CacheData(filter, "name1", "key", "group", "tenant");
          
          assertTrue(cacheData1.isInitializing());
          assertNull(cacheData1.getContent());
          assertEquals(0, cacheData1.getTaskId());
          assertFalse(cacheData1.isConsistentWithServer());
          assertFalse(cacheData1.isUseLocalConfigInfo());
          assertEquals(0, cacheData1.getLastModifiedTs().intValue());
          assertEquals(0, cacheData1.getLocalConfigInfoVersion());
          
          cacheData1.setInitializing(false);
          cacheData1.setContent("123");
          cacheData1.setTaskId(123);
          cacheData1.setConsistentWithServer(true);
          cacheData1.setType("123");
          long timeStamp = new Date().getTime();
          cacheData1.setLastModifiedTs(timeStamp);
          cacheData1.setUseLocalConfigInfo(true);
          cacheData1.setLocalConfigInfoVersion(timeStamp);
          
          assertFalse(cacheData1.isInitializing());
          assertEquals("123", cacheData1.getContent());
          assertEquals(MD5Utils.md5Hex("123", "UTF-8"), cacheData1.getMd5());
          
          assertEquals(123, cacheData1.getTaskId());
          assertTrue(cacheData1.isConsistentWithServer());
          assertEquals("123", cacheData1.getType());
          assertTrue(cacheData1.isUseLocalConfigInfo());
          assertEquals(timeStamp, cacheData1.getLastModifiedTs().longValue());
          assertEquals(timeStamp, cacheData1.getLocalConfigInfoVersion());
      }
      
      @Test
      void testNotifyWarnTimeout() {
          System.setProperty("nacos.listener.notify.warn.timeout", "5000");
          long notifyWarnTimeout = CacheData.initNotifyWarnTimeout();
          assertEquals(5000, notifyWarnTimeout);
          System.setProperty("nacos.listener.notify.warn.timeout", "1bf000abc");
          long notifyWarnTimeout2 = CacheData.initNotifyWarnTimeout();
          assertEquals(60000, notifyWarnTimeout2);
      }
      
      @Test
      void testListener() throws NacosException {
          ConfigFilterChainManager filter = new ConfigFilterChainManager(new Properties());
          final CacheData cacheData1 = new CacheData(filter, "name1", "key", "group", "tenant");
          
          Listener listener = new Listener() {
              @Override
              public Executor getExecutor() {
                  return null;
              }
              
              @Override
              public void receiveConfigInfo(String configInfo) {
              }
          };
          cacheData1.addListener(listener);
          assertEquals(1, cacheData1.getListeners().size());
          assertEquals(listener, cacheData1.getListeners().get(0));
          
          cacheData1.removeListener(listener);
          assertEquals(0, cacheData1.getListeners().size());
          
      }
      
      @Test
      void testCheckListenerMd5() throws NacosException {
          ConfigFilterChainManager filter = new ConfigFilterChainManager(new Properties());
          final CacheData data = new CacheData(filter, "name1", "key", "group", "tenant");
          final List<String> list = new ArrayList<>();
          Listener listener = new Listener() {
              @Override
              public Executor getExecutor() {
                  return Runnable::run;
              }
              
              @Override
              public void receiveConfigInfo(String configInfo) {
                  list.add(configInfo);
              }
          };
          data.addListener(listener);
          data.checkListenerMd5();
          assertTrue(data.checkListenersMd5Consistent());
          assertEquals(0, list.size());
          
          data.setContent("new");
          assertFalse(data.checkListenersMd5Consistent());
          data.checkListenerMd5();
          assertEquals(1, list.size());
          assertEquals("new", list.get(0));
          
      }
      
      @Test
      void testCheckListenerMd5NotifyTimeouts() throws NacosException {
          System.setProperty("nacos.listener.notify.warn.timeout", "1000");
          long notifyWarnTimeout = CacheData.initNotifyWarnTimeout();
          assertEquals(1000, notifyWarnTimeout);
          ConfigFilterChainManager filter = new ConfigFilterChainManager(new Properties());
          final CacheData data = new CacheData(filter, "name1", "keytimeouts", "group", "tenant");
          Listener listener = new Listener() {
              @Override
              public Executor getExecutor() {
                  return Runnable::run;
              }
              
              @Override
              public void receiveConfigInfo(String configInfo) {
                  try {
                      Thread.sleep(11000);
                  } catch (InterruptedException e) {
                      throw new RuntimeException(e);
                  }
              }
          };
          
          AtomicReference<String> dataIdNotifyTimeouts = new AtomicReference();
          NotifyCenter.registerSubscriber(new Subscriber() {
              
              @Override
              public void onEvent(Event event) {
                  ChangeNotifyBlockEvent changeNotifyBlockEvent = (ChangeNotifyBlockEvent) event;
                  dataIdNotifyTimeouts.set(changeNotifyBlockEvent.getDataId());
                  System.out.println("timeout:" + changeNotifyBlockEvent.getDataId());
              }
              
              @Override
              public Class<? extends Event> subscribeType() {
                  return ChangeNotifyBlockEvent.class;
              }
          });
          data.addListener(listener);
          data.setContent("new");
          data.checkListenerMd5();
          assertTrue(data.checkListenersMd5Consistent());
          assertEquals("keytimeouts", dataIdNotifyTimeouts.get());
      }
      
      @Test
      void testAbstractSharedListener() throws NacosException {
          ConfigFilterChainManager filter = new ConfigFilterChainManager(new Properties());
          final CacheData data = new CacheData(filter, "name1", "keyshare", "group", "tenant");
          
          final String[] dataIdReceive = new String[1];
          final String[] groupReceive = new String[1];
          final String[] contentReceive = new String[1];
          
          Listener listener = new AbstractSharedListener() {
              @Override
              public Executor getExecutor() {
                  return Runnable::run;
              }
              
              @Override
              public void innerReceive(String dataId, String group, String configInfo) {
                  dataIdReceive[0] = dataId;
                  groupReceive[0] = group;
                  contentReceive[0] = configInfo;
              }
              
          };
          data.addListener(listener);
          String content = "content" + System.currentTimeMillis();
          data.setContent(content);
          data.checkListenerMd5();
          assertTrue(data.checkListenersMd5Consistent());
          assertEquals("keyshare", dataIdReceive[0]);
          assertEquals("group", groupReceive[0]);
          assertEquals(contentReceive[0], content);
      }
      
      @Test
      void testAbstractConfigChangeListener() throws NacosException {
          ConfigFilterChainManager filter = new ConfigFilterChainManager(new Properties());
          final CacheData data = new CacheData(filter, "name1", "keyshare", "group", "tenant");
          data.setType("properties");
          data.setContent("a=a\nb=b\nc=c");
          
          AtomicReference<ConfigChangeEvent> changeItemReceived = new AtomicReference<>();
          Listener listener = new AbstractConfigChangeListener() {
              @Override
              public void receiveConfigChange(ConfigChangeEvent event) {
                  changeItemReceived.set(event);
              }
              
              @Override
              public Executor getExecutor() {
                  return Runnable::run;
              }
              
          };
          data.addListener(listener);
          String content = "b=b\nc=abc\nd=d";
          data.setContent(content);
          data.checkListenerMd5();
          assertTrue(data.checkListenersMd5Consistent());
          assertEquals(PropertyChangeType.DELETED, changeItemReceived.get().getChangeItem("a").getType());
          assertEquals(PropertyChangeType.MODIFIED, changeItemReceived.get().getChangeItem("c").getType());
          assertEquals(PropertyChangeType.ADDED, changeItemReceived.get().getChangeItem("d").getType());
      }
      
  }
  