| /* |
| * 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.service.reads; |
| |
| import java.util.Arrays; |
| import java.util.Collection; |
| import java.util.Locale; |
| |
| import org.junit.Test; |
| import org.junit.experimental.runners.Enclosed; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| |
| import org.apache.cassandra.exceptions.ConfigurationException; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.runners.Parameterized.Parameters; |
| |
| import static org.apache.cassandra.service.reads.HybridSpeculativeRetryPolicy.Function; |
| |
| @RunWith(Enclosed.class) |
| public class SpeculativeRetryParseTest |
| { |
| @RunWith(Parameterized.class) |
| public static class SuccessfulParseTest |
| { |
| static final Locale defaultLocale = Locale.getDefault(); |
| |
| private final String string; |
| private final SpeculativeRetryPolicy expectedValue; |
| |
| public SuccessfulParseTest(String string, SpeculativeRetryPolicy expectedValue) |
| { |
| this.string = string; |
| this.expectedValue = expectedValue; |
| } |
| |
| @Parameters |
| public static Collection<Object[]> generateData() |
| { |
| return Arrays.asList(new Object[][]{ |
| { "NONE", NeverSpeculativeRetryPolicy.INSTANCE }, |
| { "None", NeverSpeculativeRetryPolicy.INSTANCE }, |
| { "Never", NeverSpeculativeRetryPolicy.INSTANCE }, |
| { "NEVER", NeverSpeculativeRetryPolicy.INSTANCE }, |
| |
| { "ALWAYS", AlwaysSpeculativeRetryPolicy.INSTANCE }, |
| { "Always", AlwaysSpeculativeRetryPolicy.INSTANCE }, |
| |
| { "95PERCENTILE", new PercentileSpeculativeRetryPolicy(95.0) }, |
| { "99PERCENTILE", new PercentileSpeculativeRetryPolicy(99.0) }, |
| { "99.5PERCENTILE", new PercentileSpeculativeRetryPolicy(99.5) }, |
| { "99.9PERCENTILE", new PercentileSpeculativeRetryPolicy(99.9) }, |
| { "99.95PERCENTILE", new PercentileSpeculativeRetryPolicy(99.95) }, |
| { "99.99PERCENTILE", new PercentileSpeculativeRetryPolicy(99.99) }, |
| { "21.1percentile", new PercentileSpeculativeRetryPolicy(21.1) }, |
| { "78.11p", new PercentileSpeculativeRetryPolicy(78.11) }, |
| |
| { "1ms", new FixedSpeculativeRetryPolicy(1) }, |
| { "10ms", new FixedSpeculativeRetryPolicy(10) }, |
| { "100ms", new FixedSpeculativeRetryPolicy(100) }, |
| { "1000ms", new FixedSpeculativeRetryPolicy(1000) }, |
| { "121.1ms", new FixedSpeculativeRetryPolicy(121) }, |
| { "21.7MS", new FixedSpeculativeRetryPolicy(21) }, |
| |
| { "max(99p,53ms)", |
| new HybridSpeculativeRetryPolicy(new PercentileSpeculativeRetryPolicy(99.0), |
| new FixedSpeculativeRetryPolicy(53), |
| Function.MAX) }, |
| { "max(53ms,99p)", |
| new HybridSpeculativeRetryPolicy(new PercentileSpeculativeRetryPolicy(99.0), |
| new FixedSpeculativeRetryPolicy(53), |
| Function.MAX) }, |
| { "MIN(70MS,90PERCENTILE)", |
| new HybridSpeculativeRetryPolicy(new PercentileSpeculativeRetryPolicy(90.0), |
| new FixedSpeculativeRetryPolicy(70), |
| Function.MIN) }, |
| { "MIN(70MS, 90PERCENTILE)", |
| new HybridSpeculativeRetryPolicy(new PercentileSpeculativeRetryPolicy(90.0), |
| new FixedSpeculativeRetryPolicy(70), |
| Function.MIN) } |
| } |
| ); |
| } |
| |
| @Test |
| public void testParameterParse() |
| { |
| assertEquals(expectedValue, SpeculativeRetryPolicy.fromString(string)); |
| } |
| |
| @Test |
| public void testToStringRoundTripDefaultLocale() |
| { |
| assertEquals(expectedValue, SpeculativeRetryPolicy.fromString(expectedValue.toString())); |
| } |
| |
| @Test |
| public void testToStringRoundTripCommaDecimalSeparatorLocale() |
| { |
| Locale.setDefault(new Locale("pt","BR")); // CASSANDRA-14374: Brazil uses comma instead of dot as decimal separator |
| assertEquals(expectedValue, SpeculativeRetryPolicy.fromString(expectedValue.toString())); |
| Locale.setDefault(defaultLocale); |
| } |
| } |
| |
| @RunWith(Parameterized.class) |
| public static class FailedParseTest |
| { |
| private final String string; |
| |
| public FailedParseTest(String string) |
| { |
| this.string = string; |
| } |
| |
| @Parameters |
| public static Collection<Object[]> generateData() |
| { |
| return Arrays.asList(new Object[][]{ |
| { "" }, |
| { "-0.1PERCENTILE" }, |
| { "100.1PERCENTILE" }, |
| { "xPERCENTILE" }, |
| { "xyzms" }, |
| { "X" } |
| } |
| ); |
| } |
| |
| @Test(expected = ConfigurationException.class) |
| public void testParameterParse() |
| { |
| SpeculativeRetryPolicy.fromString(string); |
| } |
| } |
| } |