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 com.google.protobuf.ByteString;
  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.kv.rpc.DeleteRangeRequest;
  import org.apache.bookkeeper.stream.proto.kv.rpc.DeleteRangeResponse;
  import org.apache.bookkeeper.stream.proto.kv.rpc.PutRequest;
  import org.apache.bookkeeper.stream.proto.kv.rpc.PutResponse;
  import org.apache.bookkeeper.stream.proto.kv.rpc.RangeRequest;
  import org.apache.bookkeeper.stream.proto.kv.rpc.RangeResponse;
  import org.apache.bookkeeper.stream.proto.kv.rpc.ResponseHeader;
  import org.apache.bookkeeper.stream.proto.kv.rpc.RoutingHeader;
  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 TestGrpcTableService}.
   */
  public class TestGrpcTableService {
  
      private static final Throwable CAUSE = new Exception("test-exception");
  
      private static final ByteString TEST_ROUTING_KEY = ByteString.copyFromUtf8("test-routing-key");
      private static final RoutingHeader ROUTING_HEADER = RoutingHeader.newBuilder()
          .setStreamId(1234L)
          .setRangeId(1234L)
          .setRKey(TEST_ROUTING_KEY)
          .build();
      private static final ByteString TEST_KEY = ByteString.copyFromUtf8("test-key");
      private static final ByteString TEST_VAL = ByteString.copyFromUtf8("test-val");
  
      //
      // Meta KeyRange Server Requests tests
      //
  
      @Test
      public void testPutSuccess() throws Exception {
          RangeStoreService rangeService = mock(RangeStoreService.class);
          GrpcTableService grpcService = new GrpcTableService(rangeService);
  
          PutRequest request = PutRequest
              .newBuilder()
              .setKey(TEST_KEY)
              .setValue(TEST_VAL)
              .setHeader(ROUTING_HEADER)
              .build();
  
          PutResponse response = PutResponse.newBuilder()
              .setHeader(ResponseHeader.newBuilder()
                  .setCode(StatusCode.SUCCESS)
                  .setRoutingHeader(ROUTING_HEADER)
                  .build())
              .build();
  
          when(rangeService.put(request)).thenReturn(
              CompletableFuture.completedFuture(response));
  
          TestResponseObserver<PutResponse> responseObserver =
              new TestResponseObserver<>();
          grpcService.put(
              request,
              responseObserver);
  
          responseObserver.verifySuccess(response);
          verify(rangeService, times(1)).put(request);
      }
  
      @Test
      public void testPutFailure() throws Exception {
          RangeStoreService rangeService = mock(RangeStoreService.class);
          GrpcTableService grpcService = new GrpcTableService(rangeService);
  
          PutRequest request = PutRequest
              .newBuilder()
              .setKey(TEST_KEY)
              .setValue(TEST_VAL)
              .setHeader(ROUTING_HEADER)
              .build();
  
          PutResponse response = PutResponse.newBuilder()
              .setHeader(ResponseHeader.newBuilder()
                  .setCode(StatusCode.INTERNAL_SERVER_ERROR)
                  .setRoutingHeader(ROUTING_HEADER)
                  .build())
              .build();
  
          when(rangeService.put(request)).thenReturn(
              FutureUtils.exception(CAUSE));
  
          TestResponseObserver<PutResponse> responseObserver =
              new TestResponseObserver<>();
          grpcService.put(
              request,
              responseObserver);
  
          responseObserver.verifySuccess(response);
          verify(rangeService, times(1)).put(request);
      }
  
      @Test
      public void testPutException() throws Exception {
          RangeStoreService rangeService = mock(RangeStoreService.class);
          GrpcTableService grpcService = new GrpcTableService(rangeService);
  
          PutRequest request = PutRequest
              .newBuilder()
              .setKey(TEST_KEY)
              .setValue(TEST_VAL)
              .setHeader(ROUTING_HEADER)
              .build();
  
          when(rangeService.put(request)).thenReturn(
              FutureUtils.exception(new StatusRuntimeException(Status.NOT_FOUND)));
  
          TestResponseObserver<PutResponse> responseObserver =
              new TestResponseObserver<>();
          grpcService.put(
              request,
              responseObserver);
  
          responseObserver.verifyException(Status.NOT_FOUND);
          verify(rangeService, times(1)).put(request);
      }
  
      @Test
      public void testRangeSuccess() throws Exception {
          RangeStoreService rangeService = mock(RangeStoreService.class);
          GrpcTableService grpcService = new GrpcTableService(rangeService);
  
          RangeRequest request = RangeRequest
              .newBuilder()
              .setKey(TEST_KEY)
              .setHeader(ROUTING_HEADER)
              .build();
  
          RangeResponse response = RangeResponse.newBuilder()
              .setHeader(ResponseHeader.newBuilder()
                  .setCode(StatusCode.SUCCESS)
                  .setRoutingHeader(ROUTING_HEADER)
                  .build())
              .build();
  
          when(rangeService.range(request)).thenReturn(
              CompletableFuture.completedFuture(response));
  
          TestResponseObserver<RangeResponse> responseObserver =
              new TestResponseObserver<>();
          grpcService.range(
              request,
              responseObserver);
  
          responseObserver.verifySuccess(response);
          verify(rangeService, times(1)).range(request);
      }
  
      @Test
      public void testRangeActiveRangesFailure() throws Exception {
          RangeStoreService rangeService = mock(RangeStoreService.class);
          GrpcTableService grpcService = new GrpcTableService(rangeService);
  
          RangeRequest request = RangeRequest
              .newBuilder()
              .setKey(TEST_KEY)
              .setHeader(ROUTING_HEADER)
              .build();
  
          RangeResponse response = RangeResponse.newBuilder()
              .setHeader(ResponseHeader.newBuilder()
                  .setCode(StatusCode.INTERNAL_SERVER_ERROR)
                  .setRoutingHeader(ROUTING_HEADER)
                  .build())
              .build();
  
          when(rangeService.range(request)).thenReturn(
              FutureUtils.exception(CAUSE));
  
          TestResponseObserver<RangeResponse> responseObserver =
              new TestResponseObserver<>();
          grpcService.range(
              request,
              responseObserver);
  
          responseObserver.verifySuccess(response);
          verify(rangeService, times(1)).range(request);
      }
  
      @Test
      public void testRangeActiveRangesException() throws Exception {
          RangeStoreService rangeService = mock(RangeStoreService.class);
          GrpcTableService grpcService = new GrpcTableService(rangeService);
  
          RangeRequest request = RangeRequest
              .newBuilder()
              .setKey(TEST_KEY)
              .setHeader(ROUTING_HEADER)
              .build();
  
          when(rangeService.range(request)).thenReturn(
              FutureUtils.exception(new StatusRuntimeException(Status.NOT_FOUND)));
  
          TestResponseObserver<RangeResponse> responseObserver =
              new TestResponseObserver<>();
          grpcService.range(
              request,
              responseObserver);
  
          responseObserver.verifyException(Status.NOT_FOUND);
          verify(rangeService, times(1)).range(request);
      }
  
      @Test
      public void testDeleteSuccess() throws Exception {
          RangeStoreService rangeService = mock(RangeStoreService.class);
          GrpcTableService grpcService = new GrpcTableService(rangeService);
  
          DeleteRangeRequest request = DeleteRangeRequest
              .newBuilder()
              .setKey(TEST_KEY)
              .setHeader(ROUTING_HEADER)
              .build();
  
          DeleteRangeResponse response = DeleteRangeResponse.newBuilder()
              .setHeader(ResponseHeader.newBuilder()
                  .setCode(StatusCode.SUCCESS)
                  .setRoutingHeader(ROUTING_HEADER)
                  .build())
              .build();
  
          when(rangeService.delete(request)).thenReturn(
              CompletableFuture.completedFuture(response));
  
          TestResponseObserver<DeleteRangeResponse> responseObserver =
              new TestResponseObserver<>();
          grpcService.delete(
              request,
              responseObserver);
  
          responseObserver.verifySuccess(response);
          verify(rangeService, times(1)).delete(request);
      }
  
      @Test
      public void testDeleteFailure() throws Exception {
          RangeStoreService rangeService = mock(RangeStoreService.class);
          GrpcTableService grpcService = new GrpcTableService(rangeService);
  
          DeleteRangeRequest request = DeleteRangeRequest
              .newBuilder()
              .setKey(TEST_KEY)
              .setHeader(ROUTING_HEADER)
              .build();
  
          DeleteRangeResponse response = DeleteRangeResponse.newBuilder()
              .setHeader(ResponseHeader.newBuilder()
                  .setCode(StatusCode.INTERNAL_SERVER_ERROR)
                  .setRoutingHeader(ROUTING_HEADER)
                  .build())
              .build();
  
          when(rangeService.delete(request)).thenReturn(
              FutureUtils.exception(CAUSE));
  
          TestResponseObserver<DeleteRangeResponse> responseObserver =
              new TestResponseObserver<>();
          grpcService.delete(
              request,
              responseObserver);
  
          responseObserver.verifySuccess(response);
          verify(rangeService, times(1)).delete(request);
      }
  
      @Test
      public void testDeleteException() throws Exception {
          RangeStoreService rangeService = mock(RangeStoreService.class);
          GrpcTableService grpcService = new GrpcTableService(rangeService);
  
          DeleteRangeRequest request = DeleteRangeRequest
              .newBuilder()
              .setKey(TEST_KEY)
              .setHeader(ROUTING_HEADER)
              .build();
  
          when(rangeService.delete(request)).thenReturn(
              FutureUtils.exception(new StatusRuntimeException(Status.NOT_FOUND)));
  
          TestResponseObserver<DeleteRangeResponse> responseObserver =
              new TestResponseObserver<>();
          grpcService.delete(
              request,
              responseObserver);
  
          responseObserver.verifyException(Status.NOT_FOUND);
          verify(rangeService, times(1)).delete(request);
      }
  
  }
  