| /* |
| * 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 {@code nodetool setinterdcstreamthroughput} and {@code nodetool getinterdcstreamthroughput}. |
| */ |
| public class SetGetInterDCStreamThroughputTest extends CQLTester |
| { |
| @BeforeClass |
| public static void setup() throws Exception |
| { |
| startJMXServer(); |
| } |
| |
| @Test |
| public void testNull() |
| { |
| assertSetInvalidThroughput(null, "Required parameters are missing: inter_dc_stream_throughput"); |
| } |
| |
| @Test |
| public void testPositive() |
| { |
| assertSetGetValidThroughput(7, 7 * StreamRateLimiter.BYTES_PER_MEGABIT); |
| } |
| |
| @Test |
| public void testMaxValue() |
| { |
| assertSetGetValidThroughput(Integer.MAX_VALUE, Integer.MAX_VALUE * StreamRateLimiter.BYTES_PER_MEGABIT); |
| } |
| |
| @Test |
| public void testZero() |
| { |
| assertSetGetValidThroughput(0, Double.MAX_VALUE); |
| } |
| |
| @Test |
| public void testNegative() |
| { |
| assertSetGetValidThroughput(-7, Double.MAX_VALUE); |
| } |
| |
| @Test |
| public void testUnparseable() |
| { |
| assertSetInvalidThroughput("1.2", "inter_dc_stream_throughput: can not convert \"1.2\" to a int"); |
| assertSetInvalidThroughput("value", "inter_dc_stream_throughput: can not convert \"value\" to a int"); |
| } |
| |
| private static void assertSetGetValidThroughput(int throughput, double rateInBytes) |
| { |
| ToolResult tool = invokeNodetool("setinterdcstreamthroughput", String.valueOf(throughput)); |
| tool.assertOnCleanExit(); |
| assertThat(tool.getStdout()).isEmpty(); |
| |
| assertGetThroughput(throughput); |
| |
| assertThat(StreamRateLimiter.getInterDCRateLimiterRateInBytes()).isEqualTo(rateInBytes, withPrecision(0.01)); |
| } |
| |
| private static void assertSetInvalidThroughput(String throughput, String expectedErrorMessage) |
| { |
| ToolResult tool = throughput == null ? invokeNodetool("setinterdcstreamthroughput") |
| : invokeNodetool("setinterdcstreamthroughput", throughput); |
| assertThat(tool.getExitCode()).isEqualTo(1); |
| assertThat(tool.getStdout()).contains(expectedErrorMessage); |
| } |
| |
| private static void assertGetThroughput(int expected) |
| { |
| ToolResult tool = invokeNodetool("getinterdcstreamthroughput"); |
| tool.assertOnCleanExit(); |
| assertThat(tool.getStdout()).contains("Current inter-datacenter stream throughput: " + expected + " Mb/s"); |
| } |
| } |