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.client.api;
  
  import static java.nio.charset.StandardCharsets.UTF_8;
  import static org.junit.Assert.assertArrayEquals;
  import static org.mockito.ArgumentMatchers.any;
  import static org.mockito.ArgumentMatchers.anyInt;
  import static org.mockito.ArgumentMatchers.anyLong;
  import static org.mockito.ArgumentMatchers.eq;
  import static org.mockito.Mockito.doAnswer;
  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.netty.buffer.ByteBuf;
  import io.netty.buffer.ByteBufUtil;
  import java.nio.ByteBuffer;
  import java.util.concurrent.LinkedBlockingQueue;
  import org.apache.bookkeeper.common.concurrent.FutureUtils;
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.Test;
  import org.junit.jupiter.api.TestInfo;
  
  /**
   * Unit test for {@link WriteAdvHandle}.
   */
  public class WriteAdvHandleTest {
  
      private final long entryId;
      private final WriteAdvHandle handle = mock(WriteAdvHandle.class);
      private final LinkedBlockingQueue<ByteBuf> entryQueue;
      private String testName;
  
      public WriteAdvHandleTest() {
          this.entryId = System.currentTimeMillis();
          this.entryQueue = new LinkedBlockingQueue<>();
          doAnswer(invocationOnMock -> {
              ByteBuf buf = invocationOnMock.getArgument(1);
              entryQueue.add(buf);
              return FutureUtils.value(-1L);
          }).when(handle).writeAsync(anyLong(), any(ByteBuf.class));
          when(handle.writeAsync(anyLong(), any(byte[].class))).thenCallRealMethod();
          when(handle.writeAsync(anyLong(), any(byte[].class), anyInt(), anyInt())).thenCallRealMethod();
          when(handle.writeAsync(anyLong(), any(ByteBuffer.class))).thenCallRealMethod();
      }
  
      @BeforeEach
      public void setUp(TestInfo testInfo) throws Exception {
          testName = testInfo.getDisplayName();
      }
  
      @Test
      public void testAppendBytes() throws Exception {
          byte[] testData = testName.getBytes(UTF_8);
          handle.writeAsync(entryId, testData);
  
          ByteBuf buffer = entryQueue.take();
          byte[] bufferData = ByteBufUtil.getBytes(buffer);
          assertArrayEquals(testData, bufferData);
          verify(handle, times(1)).writeAsync(eq(entryId), any(ByteBuf.class));
      }
  
      @Test
      public void testAppendBytes2() throws Exception {
          byte[] testData = testName.getBytes(UTF_8);
          handle.writeAsync(entryId, testData, 1, testData.length / 2);
          byte[] expectedData = new byte[testData.length / 2];
          System.arraycopy(testData, 1, expectedData, 0, testData.length / 2);
  
          ByteBuf buffer = entryQueue.take();
          byte[] bufferData = ByteBufUtil.getBytes(buffer);
          assertArrayEquals(expectedData, bufferData);
          verify(handle, times(1)).writeAsync(eq(entryId), any(ByteBuf.class));
      }
  
      @Test
      public void testAppendByteBuffer() throws Exception {
          byte[] testData = testName.getBytes(UTF_8);
          handle.writeAsync(entryId, ByteBuffer.wrap(testData, 1, testData.length / 2));
          byte[] expectedData = new byte[testData.length / 2];
          System.arraycopy(testData, 1, expectedData, 0, testData.length / 2);
  
          ByteBuf buffer = entryQueue.take();
          byte[] bufferData = ByteBufUtil.getBytes(buffer);
          assertArrayEquals(expectedData, bufferData);
          verify(handle, times(1)).writeAsync(eq(entryId), any(ByteBuf.class));
      }
  
  }
  