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.cassandra.tools.nodetool;
  
  import org.junit.BeforeClass;
  import org.junit.Test;
  
  import org.apache.cassandra.cql3.CQLTester;
  
  import static org.apache.cassandra.streaming.StreamManager.StreamRateLimiter;
  import static org.apache.cassandra.tools.ToolRunner.ToolResult;
  import static org.apache.cassandra.tools.ToolRunner.invokeNodetool;
  import static org.assertj.core.api.Assertions.assertThat;
  import static org.assertj.core.api.Assertions.withPrecision;
  
  /**
   * Tests for entire SSTable {@code nodetool setstreamthroughput} and {@code nodetool getstreamthroughput}.
   */
  public class SetGetEntireSSTableStreamThroughputTest extends CQLTester
  {
      private static final int MAX_INT_CONFIG_VALUE_MIB = Integer.MAX_VALUE - 1;
  
      @BeforeClass
      public static void setup() throws Exception
      {
          requireNetwork();
          startJMXServer();
      }
  
      @Test
      public void testNull()
      {
          assertSetInvalidThroughput(null, "Missing required parameter: 'stream_throughput'");
      }
  
      @Test
      public void testPositive()
      {
          assertSetGetValidThroughput(7, 7 * StreamRateLimiter.BYTES_PER_MEBIBYTE);
      }
  
      @Test
      public void testMaxValue()
      {
          assertSetGetValidThroughput(MAX_INT_CONFIG_VALUE_MIB, MAX_INT_CONFIG_VALUE_MIB * StreamRateLimiter.BYTES_PER_MEBIBYTE);
      }
  
      @Test
      public void testUpperBound()
      {
          assertSetInvalidEntireSStableThroughputMib(String.valueOf(Integer.MAX_VALUE));
      }
  
      @Test
      public void testZero()
      {
          assertSetGetValidThroughput(0, Double.MAX_VALUE);
      }
  
      @Test
      public void testUnparseable()
      {
          assertSetInvalidThroughput("1.2", "Invalid value for positional parameter at index 0 (stream_throughput): '1.2' is not an int");
          assertSetInvalidThroughput("value", "Invalid value for positional parameter at index 0 (stream_throughput): 'value' is not an int");
      }
  
      private static void assertSetGetValidThroughput(int throughput)
      {
          ToolResult tool = invokeNodetool("setstreamthroughput", "-e", String.valueOf(throughput));
          tool.assertOnCleanExit();
          assertThat(tool.getStdout()).isEmpty();
  
          assertGetThroughput(throughput);
      }
  
      private static void assertSetGetValidThroughput(int throughput, double rateInBytes)
      {
          assertSetGetValidThroughput(throughput);
  
          assertThat(StreamRateLimiter.getEntireSSTableRateLimiterRateInBytes()).isEqualTo(rateInBytes, withPrecision(0.01));
      }
  
      private static void assertSetInvalidEntireSStableThroughputMib(String throughput)
      {
          ToolResult tool = invokeNodetool("setstreamthroughput", "-e", throughput);
          assertThat(tool.getExitCode()).isEqualTo(1);
          assertThat(tool.getStdout()).contains("entire_sstable_stream_throughput_outbound: 2147483647 is too large; it " +
                                                "should be less than 2147483647 in MiB/s");
      }
  
      private static void assertSetInvalidThroughput(String throughput, String expectedErrorMessage)
      {
          ToolResult tool = throughput == null ? invokeNodetool("setstreamthroughput", "-e")
                                               : invokeNodetool("setstreamthroughput", "-e", throughput);
          assertThat(tool.getExitCode()).isEqualTo(1);
          assertThat(tool.getStdout()).contains(expectedErrorMessage);
      }
  
      private static void assertGetThroughput(double expected)
      {
          ToolResult tool = invokeNodetool("getstreamthroughput", "-e");
          tool.assertOnCleanExit();
  
          if (expected > 0)
              assertThat(tool.getStdout()).contains("Current entire SSTable stream throughput: " + expected + " MiB/s");
          else
              assertThat(tool.getStdout()).contains("Current entire SSTable stream throughput: unlimited");
      }
  }
  