content: /*
   *  Copyright 1999-2021 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.remote.grpc;
  
  import com.alibaba.nacos.api.config.remote.request.cluster.ConfigChangeClusterSyncRequest;
  import com.alibaba.nacos.api.grpc.auto.Payload;
  import com.alibaba.nacos.common.remote.ConnectionType;
  import com.alibaba.nacos.common.remote.client.grpc.GrpcUtils;
  import com.alibaba.nacos.core.remote.RequestHandlerRegistry;
  import com.alibaba.nacos.sys.env.EnvUtil;
  import com.alibaba.nacos.sys.utils.ApplicationUtils;
  import io.grpc.stub.StreamObserver;
  import org.junit.jupiter.api.AfterAll;
  import org.junit.jupiter.api.AfterEach;
  import org.junit.jupiter.api.BeforeAll;
  import org.junit.jupiter.api.Test;
  import org.junit.jupiter.api.extension.ExtendWith;
  import org.mockito.MockedStatic;
  import org.mockito.Mockito;
  import org.mockito.junit.jupiter.MockitoExtension;
  import org.mockito.junit.jupiter.MockitoSettings;
  import org.mockito.quality.Strictness;
  import org.springframework.mock.env.MockEnvironment;
  import org.springframework.util.ReflectionUtils;
  
  import java.lang.reflect.Field;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.mockito.ArgumentMatchers.eq;
  
  /**
   * {@link GrpcSdkServer} and {@link GrpcClusterServer} unit test.
   *
   * @author chenglu
   * @date 2021-06-30 14:32
   */
  @MockitoSettings(strictness = Strictness.LENIENT)
  @ExtendWith(MockitoExtension.class)
  class GrpcServerTest {
      
      static MockedStatic<ApplicationUtils> applicationUtilsMockedStatic = null;
      
      private BaseGrpcServer grpcSdkServer;
      
      @BeforeAll
      static void setUpBeforeClass() {
          EnvUtil.setEnvironment(new MockEnvironment());
          applicationUtilsMockedStatic = Mockito.mockStatic(ApplicationUtils.class);
      }
      
      @AfterAll
      static void after() {
          applicationUtilsMockedStatic.close();
      }
      
      @AfterEach
      void tearDown() throws Exception {
          if (null != grpcSdkServer) {
              grpcSdkServer.stopServer();
          }
      }
      
      @Test
      void testGrpcSdkServer() throws Exception {
          grpcSdkServer = new GrpcSdkServer();
          grpcSdkServer.start();
          assertEquals(ConnectionType.GRPC, grpcSdkServer.getConnectionType());
          assertEquals(1000, grpcSdkServer.rpcPortOffset());
      }
      
      @Test
      void testGrpcClusterServer() throws Exception {
          grpcSdkServer = new GrpcClusterServer();
          grpcSdkServer.start();
          assertEquals(ConnectionType.GRPC, grpcSdkServer.getConnectionType());
          assertEquals(1001, grpcSdkServer.rpcPortOffset());
          grpcSdkServer.stopServer();
      }
      
      @Test
      public void testGrpcSdkServerSourceCheck() throws Exception {
          grpcSdkServer = new GrpcSdkServer();
          RequestHandlerRegistry mock = Mockito.mock(RequestHandlerRegistry.class);
          Field field = ReflectionUtils.findField(GrpcSdkServer.class, "requestHandlerRegistry");
          field.setAccessible(true);
          ReflectionUtils.setField(field, grpcSdkServer, mock);
          GrpcRequestAcceptor mockAcceptor = Mockito.mock(GrpcRequestAcceptor.class);
          Field fieldGrpcAcceptor = ReflectionUtils.findField(GrpcSdkServer.class, "grpcCommonRequestAcceptor");
          fieldGrpcAcceptor.setAccessible(true);
          ReflectionUtils.setField(fieldGrpcAcceptor, grpcSdkServer, mockAcceptor);
          
          StreamObserver streamObserverMock = Mockito.mock(StreamObserver.class);
          Payload convert = GrpcUtils.convert(new ConfigChangeClusterSyncRequest());
          //verify not allowed
          Mockito.when(mock.checkSourceInvokeAllowed(ConfigChangeClusterSyncRequest.class.getSimpleName(),
                  grpcSdkServer.getSource())).thenReturn(false);
          grpcSdkServer.handleCommonRequest(convert, streamObserverMock);
          Mockito.verify(streamObserverMock, Mockito.times(1)).onCompleted();
          //verify allowed
          Mockito.when(mock.checkSourceInvokeAllowed(ConfigChangeClusterSyncRequest.class.getSimpleName(),
                  grpcSdkServer.getSource())).thenReturn(true);
          grpcSdkServer.handleCommonRequest(convert, streamObserverMock);
          Mockito.verify(mockAcceptor, Mockito.times(1)).request(eq(convert), eq(streamObserverMock));
          
      }
  }
  