| /* |
| * 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.config.DatabaseDescriptor; |
| import org.apache.cassandra.cql3.CQLTester; |
| |
| import static org.apache.cassandra.tools.ToolRunner.ToolResult; |
| import static org.apache.cassandra.tools.ToolRunner.invokeNodetool; |
| import static org.assertj.core.api.Assertions.assertThat; |
| |
| /** |
| * Tests for {@code nodetool setcompactionthroughput} and {@code nodetool getcompactionthroughput}. |
| */ |
| public class SetGetCompactionThroughputTest extends CQLTester |
| { |
| private static final int MAX_INT_CONFIG_VALUE_IN_MBIT = Integer.MAX_VALUE - 1; |
| |
| @BeforeClass |
| public static void setup() throws Exception |
| { |
| requireNetwork(); |
| startJMXServer(); |
| } |
| |
| @Test |
| public void testNull() |
| { |
| assertSetInvalidThroughput(null, "Required parameters are missing: compaction_throughput"); |
| } |
| |
| @Test |
| public void testPositive() |
| { |
| assertSetGetValidThroughput(7); |
| } |
| |
| @Test |
| public void testMaxValue() |
| { |
| assertSetGetValidThroughput(MAX_INT_CONFIG_VALUE_IN_MBIT); |
| } |
| |
| @Test |
| public void testUpperBound() |
| { |
| assertSetInvalidThroughputMib(String.valueOf(Integer.MAX_VALUE)); |
| } |
| |
| @Test |
| public void testZero() |
| { |
| assertSetGetValidThroughput(0); |
| } |
| |
| @Test |
| public void testUnparseable() |
| { |
| assertSetInvalidThroughput("1.2", "compaction_throughput: can not convert \"1.2\" to a Integer"); |
| assertSetInvalidThroughput("value", "compaction_throughput: can not convert \"value\" to a Integer"); |
| assertSetInvalidThroughput(); |
| assertPreciseMibFlagNeeded(); |
| } |
| |
| private static void assertSetGetValidThroughput(int throughput) |
| { |
| ToolResult tool = invokeNodetool("setcompactionthroughput", String.valueOf(throughput)); |
| tool.assertOnCleanExit(); |
| assertThat(tool.getStdout()).isEmpty(); |
| |
| assertGetThroughput(throughput); |
| assertGetThroughputDouble(throughput); |
| } |
| |
| private static void assertSetInvalidThroughput(String throughput, String expectedErrorMessage) |
| { |
| ToolResult tool = throughput == null ? invokeNodetool("setcompactionthroughput") |
| : invokeNodetool("setcompactionthroughput", throughput); |
| assertThat(tool.getExitCode()).isEqualTo(1); |
| assertThat(tool.getStdout()).contains(expectedErrorMessage); |
| } |
| |
| private static void assertSetInvalidThroughput() |
| { |
| DatabaseDescriptor.setCompactionThroughputBytesPerSec(500); |
| ToolResult tool = invokeNodetool("getstreamthroughput"); |
| assertThat(tool.getExitCode()).isEqualTo(2); |
| assertThat(tool.getStderr()).contains("Use the -d flag to quiet this error and get the exact throughput in megabits/s"); |
| } |
| |
| private static void assertSetInvalidThroughputMib(String throughput) |
| { |
| ToolResult tool = invokeNodetool("setcompactionthroughput", throughput); |
| assertThat(tool.getExitCode()).isEqualTo(1); |
| assertThat(tool.getStdout()).contains("compaction_throughput: 2147483647 is too large; it should be less than" + |
| " 2147483647 in MiB/s"); |
| } |
| |
| private static void assertPreciseMibFlagNeeded() |
| { |
| DatabaseDescriptor.setCompactionThroughputBytesPerSec(15); |
| ToolResult tool = invokeNodetool("getcompactionthroughput"); |
| assertThat(tool.getExitCode()).isEqualTo(2); |
| assertThat(tool.getStderr()).contains("Use the -d flag to quiet this error and get the exact throughput in MiB/s"); |
| } |
| |
| private static void assertGetThroughput(int expected) |
| { |
| ToolResult tool = invokeNodetool("getcompactionthroughput"); |
| tool.assertOnCleanExit(); |
| |
| if (expected > 0) |
| assertThat(tool.getStdout()).contains("Current compaction throughput: " + expected + " MB/s"); |
| else |
| assertThat(tool.getStdout()).contains("Current compaction throughput: 0 MB/s"); |
| } |
| |
| private static void assertGetThroughputDouble(double expected) |
| { |
| ToolResult tool = invokeNodetool("getcompactionthroughput", "-d"); |
| tool.assertOnCleanExit(); |
| |
| if (expected > 0) |
| assertThat(tool.getStdout()).contains("Current compaction throughput: " + expected + " MiB/s"); |
| else |
| assertThat(tool.getStdout()).contains("Current compaction throughput: 0.0 MiB/s"); |
| } |
| } |