/**
* 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.hadoop.hbase.regionserver;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotEquals;
import org.apache.hadoop.hbase.CompatibilitySingletonFactory;
import org.apache.hadoop.hbase.testclassification.MetricsTests;
import org.apache.hadoop.hbase.testclassification.SmallTests;
import org.junit.Test;
import org.junit.experimental.categories.Category;
/**
* Test for MetricsTableSourceImpl
*/
@Category({MetricsTests.class, SmallTests.class})
public class TestMetricsTableSourceImpl {
@Test
public void testCompareToHashCode() throws Exception {
MetricsRegionServerSourceFactory metricsFact =
CompatibilitySingletonFactory.getInstance(MetricsRegionServerSourceFactory.class);
MetricsTableSource one = metricsFact.createTable("ONETABLE", new TableWrapperStub("ONETABLE"));
MetricsTableSource oneClone = metricsFact.createTable("ONETABLE", new TableWrapperStub("ONETABLE"));
MetricsTableSource two = metricsFact.createTable("TWOTABLE", new TableWrapperStub("TWOTABLE"));
assertEquals(0, one.compareTo(oneClone));
assertEquals(one.hashCode(), oneClone.hashCode());
assertNotEquals(one, two);
assertTrue(one.compareTo(two) != 0);
assertTrue(two.compareTo(one) != 0);
assertTrue(two.compareTo(one) != one.compareTo(two));
assertTrue(two.compareTo(two) == 0);
}
@Test(expected = RuntimeException.class)
public void testNoGetTableMetricsSourceImpl() throws Exception {
// This should throw an exception because MetricsTableSourceImpl should only
// be created by a factory.
CompatibilitySingletonFactory.getInstance(MetricsTableSourceImpl.class);
}
@Test
public void testGetTableMetrics() throws Exception{
MetricsTableSource oneTbl =
CompatibilitySingletonFactory.getInstance(MetricsRegionServerSourceFactory.class)
.createTable("ONETABLE", new TableWrapperStub("ONETABLE"));
assertEquals("ONETABLE", oneTbl.getTableName());
}
static class TableWrapperStub implements MetricsTableWrapperAggregate {
private String tableName;
public TableWrapperStub(String tableName) {
this.tableName = tableName;
}
@Override
public long getReadRequestsCount(String table) {
return 10;
}
@Override
public long getWriteRequestsCount(String table) {
return 20;
}
@Override
public long getTotalRequestsCount(String table) {
return 30;
}
@Override
public long getMemstoresSize(String table) {
return 1000;
}
@Override
public long getStoreFilesSize(String table) {
return 2000;
}
@Override
public long getTableSize(String table) {
return 3000;
}
public String getTableName() {
return tableName;
}
}
}