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.core.distributed.raft;
  
  import com.alibaba.nacos.consistency.entity.ReadRequest;
  import com.alibaba.nacos.consistency.entity.Response;
  import com.alibaba.nacos.consistency.entity.WriteRequest;
  import com.alibaba.nacos.core.cluster.ServerMemberManager;
  import com.alipay.sofa.jraft.Node;
  import com.google.protobuf.Message;
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.Test;
  import org.junit.jupiter.api.extension.ExtendWith;
  import org.mockito.Mock;
  import org.mockito.junit.jupiter.MockitoExtension;
  import org.mockito.junit.jupiter.MockitoSettings;
  import org.mockito.quality.Strictness;
  
  import java.lang.reflect.Field;
  import java.util.HashSet;
  import java.util.Set;
  import java.util.concurrent.CompletableFuture;
  
  import static org.mockito.ArgumentMatchers.any;
  import static org.mockito.ArgumentMatchers.eq;
  import static org.mockito.Mockito.times;
  import static org.mockito.Mockito.verify;
  import static org.mockito.Mockito.when;
  
  @ExtendWith(MockitoExtension.class)
  // todo remove this
  @MockitoSettings(strictness = Strictness.LENIENT)
  class JRaftProtocolTest {
      
      @Mock
      private JRaftServer serverMock;
      
      private JRaftProtocol raftProtocol;
      
      @Mock
      private JRaftMaintainService jRaftMaintainService;
      
      @Mock
      private ServerMemberManager memberManager;
      
      private ReadRequest readRequest;
      
      private WriteRequest writeRequest;
      
      @Mock
      private CompletableFuture<Response> futureMock;
      
      @Mock
      private Node nodeMock;
      
      private String groupId;
      
      @BeforeEach
      void setUp() throws Exception {
          raftProtocol = new JRaftProtocol(memberManager);
          ReadRequest.Builder readRequestBuilder = ReadRequest.newBuilder();
          readRequest = readRequestBuilder.build();
          
          WriteRequest.Builder writeRequestBuilder = WriteRequest.newBuilder();
          writeRequest = writeRequestBuilder.build();
          
          Field raftServerField = JRaftProtocol.class.getDeclaredField("raftServer");
          raftServerField.setAccessible(true);
          raftServerField.set(raftProtocol, serverMock);
          
          Field jRaftMaintainServiceField = JRaftProtocol.class.getDeclaredField("jRaftMaintainService");
          jRaftMaintainServiceField.setAccessible(true);
          jRaftMaintainServiceField.set(raftProtocol, jRaftMaintainService);
          
          when(serverMock.get(readRequest)).thenReturn(futureMock);
          when(serverMock.commit(any(String.class), any(Message.class), any(CompletableFuture.class))).thenReturn(futureMock);
          
          groupId = "test_group";
          when(serverMock.findNodeByGroup(groupId)).thenReturn(nodeMock);
      }
      
      @Test
      void testGetData() throws Exception {
          raftProtocol.getData(readRequest);
          verify(serverMock).get(readRequest);
      }
      
      @Test
      void testWrite() throws Exception {
          raftProtocol.write(writeRequest);
          verify(serverMock).commit(any(String.class), eq(writeRequest), any(CompletableFuture.class));
      }
      
      @Test
      void testMemberChange() {
          Set<String> addresses = new HashSet<>();
          raftProtocol.memberChange(addresses);
          verify(serverMock, times(5)).peerChange(jRaftMaintainService, addresses);
      }
      
      @Test
      void testIsLeader() {
          raftProtocol.isLeader(groupId);
          verify(serverMock).findNodeByGroup(groupId);
          verify(nodeMock).isLeader();
      }
      
      @Test
      void testIsReady() {
          raftProtocol.isReady();
          verify(serverMock).isReady();
      }
  }