| /* |
| * 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; |
| |
| import org.apache.cassandra.config.DatabaseDescriptor; |
| import org.junit.Assert; |
| import org.junit.Before; |
| import org.junit.BeforeClass; |
| import org.junit.Test; |
| |
| public class GCInspectorTest |
| { |
| |
| GCInspector gcInspector; |
| |
| @BeforeClass |
| public static void setupDatabaseDescriptor() |
| { |
| DatabaseDescriptor.daemonInitialization(); |
| } |
| |
| @Before |
| public void before() |
| { |
| gcInspector = new GCInspector(); |
| } |
| |
| @Test |
| public void ensureStaticFieldsHydrateFromConfig() |
| { |
| Assert.assertEquals(DatabaseDescriptor.getGCLogThreshold(), gcInspector.getGcLogThresholdInMs()); |
| Assert.assertEquals(DatabaseDescriptor.getGCWarnThreshold(), gcInspector.getGcWarnThresholdInMs()); |
| } |
| |
| @Test |
| public void ensureStatusIsCalculated() |
| { |
| Assert.assertTrue(gcInspector.getStatusThresholdInMs() > 0); |
| } |
| |
| @Test(expected=IllegalArgumentException.class) |
| public void ensureWarnGreaterThanLog() |
| { |
| gcInspector.setGcWarnThresholdInMs(gcInspector.getGcLogThresholdInMs()); |
| } |
| |
| @Test |
| public void ensureZeroIsOk() |
| { |
| gcInspector.setGcWarnThresholdInMs(0); |
| Assert.assertEquals(gcInspector.getStatusThresholdInMs(), gcInspector.getGcLogThresholdInMs()); |
| Assert.assertEquals(0, DatabaseDescriptor.getGCWarnThreshold()); |
| Assert.assertEquals(200, DatabaseDescriptor.getGCLogThreshold()); |
| } |
| |
| @Test(expected=IllegalArgumentException.class) |
| public void ensureLogLessThanWarn() |
| { |
| Assert.assertEquals(200, gcInspector.getGcLogThresholdInMs()); |
| gcInspector.setGcWarnThresholdInMs(1000); |
| Assert.assertEquals(1000, gcInspector.getGcWarnThresholdInMs()); |
| gcInspector.setGcLogThresholdInMs(gcInspector.getGcWarnThresholdInMs() + 1); |
| } |
| |
| @Test |
| public void testDefaults() |
| { |
| gcInspector.setGcLogThresholdInMs(200); |
| gcInspector.setGcWarnThresholdInMs(1000); |
| Assert.assertEquals(200, DatabaseDescriptor.getGCLogThreshold()); |
| Assert.assertEquals(200, gcInspector.getGcLogThresholdInMs()); |
| Assert.assertEquals(1000, DatabaseDescriptor.getGCWarnThreshold()); |
| Assert.assertEquals(1000, gcInspector.getGcWarnThresholdInMs()); |
| } |
| |
| @Test(expected=IllegalArgumentException.class) |
| public void testMaxValue() |
| { |
| gcInspector.setGcLogThresholdInMs(200); |
| gcInspector.setGcWarnThresholdInMs(Integer.MAX_VALUE+1L); |
| } |
| } |