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.tests.integration.stream;
  
  import static org.apache.bookkeeper.stream.protocol.ProtocolConstants.ROOT_STORAGE_CONTAINER_ID;
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertTrue;
  
  import com.google.common.collect.Lists;
  import java.util.List;
  import lombok.extern.slf4j.Slf4j;
  import org.apache.bookkeeper.clients.impl.internal.LocationClientImpl;
  import org.apache.bookkeeper.clients.impl.internal.api.LocationClient;
  import org.apache.bookkeeper.common.util.OrderedScheduler;
  import org.apache.bookkeeper.common.util.Revisioned;
  import org.apache.bookkeeper.stream.proto.common.Endpoint;
  import org.apache.bookkeeper.stream.proto.storage.OneStorageContainerEndpointResponse;
  import org.apache.bookkeeper.stream.proto.storage.StatusCode;
  import org.junit.After;
  import org.junit.Before;
  import org.junit.Test;
  
  /**
   * Integration test for location test.
   */
  @Slf4j
  public class LocationClientTest extends StreamClusterTestBase {
  
      private OrderedScheduler scheduler;
      private LocationClient client;
  
      @Before
      public void setup() {
          scheduler = OrderedScheduler.newSchedulerBuilder()
              .name("location-client-test")
              .numThreads(1)
              .build();
          client = new LocationClientImpl(
              newStorageClientSettings(),
              scheduler);
      }
  
      @After
      public void teardown() {
          if (null != client) {
              client.close();
          }
          if (null != scheduler) {
              scheduler.shutdown();
          }
      }
  
      @Test
      public void testLocateStorageContainers() throws Exception {
          List<OneStorageContainerEndpointResponse> responses = client.locateStorageContainers(
              Lists.newArrayList(
                  Revisioned.of(ROOT_STORAGE_CONTAINER_ID, -1L))
          ).get();
          assertEquals(1, responses.size());
          OneStorageContainerEndpointResponse oneResponse = responses.get(0);
          assertEquals(StatusCode.SUCCESS, oneResponse.getStatusCode());
  
          Endpoint endpoint = oneResponse.getEndpoint().getRwEndpoint();
          log.info("Current cluster endpoints = {}", getInternalStreamEndpoints());
          log.info("Response : rw endpoint = {}", endpoint);
          assertTrue(getInternalStreamEndpoints().contains(endpoint));
  
          assertEquals(1, oneResponse.getEndpoint().getRoEndpointCount());
          endpoint = oneResponse.getEndpoint().getRoEndpoint(0);
          log.info("Response : ro endpoint = {}", endpoint);
          assertTrue(getInternalStreamEndpoints().contains(endpoint));
      }
  
  
  }
  