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.clients.impl.internal;
  
  import static org.apache.bookkeeper.stream.protocol.ProtocolConstants.DEFAULT_STREAM_CONF;
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.assertFalse;
  import static org.junit.Assert.assertTrue;
  import static org.mockito.ArgumentMatchers.anyLong;
  import static org.mockito.ArgumentMatchers.eq;
  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 org.apache.bookkeeper.clients.impl.internal.api.RootRangeClient;
  import org.apache.bookkeeper.common.concurrent.FutureUtils;
  import org.apache.bookkeeper.stream.proto.StreamProperties;
  import org.junit.Test;
  
  /**
   * Unit test of {@link StreamMetadataCache}.
   */
  public class TestStreamMetadataCache {
  
      private final RootRangeClient scClient = mock(RootRangeClient.class);
      private final StreamMetadataCache cache = new StreamMetadataCache(scClient);
      private final StreamProperties props = StreamProperties.newBuilder()
          .setStorageContainerId(1234L)
          .setStreamId(2345L)
          .setStreamName("test-stream")
          .setStreamConf(DEFAULT_STREAM_CONF)
          .build();
  
      @Test
      public void testGetStreamProperties() throws Exception {
          when(scClient.getStream(anyLong()))
              .thenReturn(FutureUtils.value(props));
          assertEquals(0, cache.getStreams().size());
          assertEquals(props, FutureUtils.result(cache.getStreamProperties(1234L)));
          assertEquals(1, cache.getStreams().size());
          verify(scClient, times(1)).getStream(eq(1234L));
      }
  
      @Test
      public void testPutStreamProperties() throws Exception {
          assertEquals(0, cache.getStreams().size());
          assertTrue(cache.putStreamProperties(1234L, props));
          assertEquals(1, cache.getStreams().size());
          assertFalse(cache.putStreamProperties(1234L, props));
          assertEquals(1, cache.getStreams().size());
      }
  
  }
  