content: /*
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you 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 org.apache.bookkeeper.stream.storage.impl.grpc;
  
  import static org.mockito.Mockito.mock;
  import static org.mockito.Mockito.times;
  import static org.mockito.Mockito.verify;
  import static org.mockito.Mockito.when;
  
  import io.grpc.Status;
  import io.grpc.StatusRuntimeException;
  import java.util.concurrent.CompletableFuture;
  import org.apache.bookkeeper.common.concurrent.FutureUtils;
  import org.apache.bookkeeper.stream.proto.storage.GetActiveRangesRequest;
  import org.apache.bookkeeper.stream.proto.storage.GetActiveRangesResponse;
  import org.apache.bookkeeper.stream.proto.storage.StatusCode;
  import org.apache.bookkeeper.stream.storage.api.metadata.RangeStoreService;
  import org.junit.Test;
  
  /**
   * Unit test for {@link TestGrpcMetaRangeService}.
   */
  public class TestGrpcMetaRangeService {
  
      private static final Throwable CAUSE = new Exception("test-exception");
  
      //
      // Meta KeyRange Server Requests tests
      //
  
      @Test
      public void testGetActiveRangesSuccess() throws Exception {
          RangeStoreService rangeService = mock(RangeStoreService.class);
          GrpcMetaRangeService grpcService = new GrpcMetaRangeService(rangeService);
  
          GetActiveRangesRequest request = GetActiveRangesRequest
              .newBuilder()
              .setStreamId(23456L)
              .build();
  
          GetActiveRangesResponse response = GetActiveRangesResponse.newBuilder()
              .setCode(StatusCode.SUCCESS)
              .build();
  
          when(rangeService.getActiveRanges(request)).thenReturn(
              CompletableFuture.completedFuture(response));
  
          TestResponseObserver<GetActiveRangesResponse> responseObserver =
              new TestResponseObserver<>();
          grpcService.getActiveRanges(
              request,
              responseObserver);
  
          responseObserver.verifySuccess(response);
          verify(rangeService, times(1)).getActiveRanges(request);
      }
  
      @Test
      public void testGetActiveRangesFailure() throws Exception {
          RangeStoreService rangeService = mock(RangeStoreService.class);
          GrpcMetaRangeService grpcService = new GrpcMetaRangeService(rangeService);
  
          GetActiveRangesRequest request = GetActiveRangesRequest
              .newBuilder()
              .setStreamId(23456L)
              .build();
  
          GetActiveRangesResponse response = GetActiveRangesResponse.newBuilder()
              .setCode(StatusCode.INTERNAL_SERVER_ERROR)
              .build();
  
          when(rangeService.getActiveRanges(request)).thenReturn(
              FutureUtils.exception(CAUSE));
  
          TestResponseObserver<GetActiveRangesResponse> responseObserver =
              new TestResponseObserver<>();
          grpcService.getActiveRanges(
              request,
              responseObserver);
  
          responseObserver.verifySuccess(response);
          verify(rangeService, times(1)).getActiveRanges(request);
      }
  
      @Test
      public void testGetActiveRangesException() throws Exception {
          RangeStoreService rangeService = mock(RangeStoreService.class);
          GrpcMetaRangeService grpcService = new GrpcMetaRangeService(rangeService);
  
          GetActiveRangesRequest request = GetActiveRangesRequest
              .newBuilder()
              .setStreamId(23456L)
              .build();
  
          when(rangeService.getActiveRanges(request)).thenReturn(
              FutureUtils.exception(new StatusRuntimeException(Status.NOT_FOUND)));
  
          TestResponseObserver<GetActiveRangesResponse> responseObserver =
              new TestResponseObserver<>();
          grpcService.getActiveRanges(
              request,
              responseObserver);
  
          responseObserver.verifyException(Status.NOT_FOUND);
          verify(rangeService, times(1)).getActiveRanges(request);
      }
  
  }
  