/**
* Copyright 2011 The Apache Software Foundation
*
* 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.index.manager;
import java.util.ArrayList;
import java.util.List;
import java.util.Set;
import junit.framework.TestCase;
import org.apache.hadoop.hbase.HColumnDescriptor;
import org.apache.hadoop.hbase.MediumTests;
import org.apache.hadoop.hbase.index.ColumnQualifier;
import org.apache.hadoop.hbase.index.IndexSpecification;
import org.junit.experimental.categories.Category;
/**
* Test index manager functionality.
*/
@Category(MediumTests.class)
public class TestIndexManager extends TestCase {
public void testAddIndexForTable() throws Exception {
IndexManager im = IndexManager.getInstance();
assertNotNull("Index Manager should not be null.", im);
List<IndexSpecification> indexList = new ArrayList<IndexSpecification>(1);
IndexSpecification iSpec = new IndexSpecification("index_name");
iSpec.addIndexColumn(new HColumnDescriptor("cf"), "cq", null, 10);
indexList.add(iSpec);
im.addIndexForTable("index_name", indexList);
indexList = im.getIndicesForTable("index_name");
assertEquals("Index name should be equal with actual value.", "index_name", indexList.get(0)
.getName());
assertTrue("Column qualifier state mismatch.",
indexList.get(0).getIndexColumns().contains(new ColumnQualifier("cf", "cq", null, 10)));
}
public void testShouldNotThrowNPEIfValueTypeIsNull() throws Exception {
IndexManager im = IndexManager.getInstance();
assertNotNull("Index Manager should not be null.", im);
List<IndexSpecification> indexList = new ArrayList<IndexSpecification>(1);
IndexSpecification iSpec = new IndexSpecification("index_name");
iSpec.addIndexColumn(new HColumnDescriptor("cf"), "cq", null, 5);
indexList.add(iSpec);
im.addIndexForTable("index_name", indexList);
indexList = im.getIndicesForTable("index_name");
Set<ColumnQualifier> indexColumns = indexList.get(0).getIndexColumns();
for (ColumnQualifier columnQualifier : indexColumns) {
assertNotNull(columnQualifier.getType());
}
}
public void testAddIndexForTableWhenStringAndValLengthIsZero() throws Exception {
IndexManager im = IndexManager.getInstance();
assertNotNull("Index Manager should not be null.", im);
List<IndexSpecification> indexList = new ArrayList<IndexSpecification>(1);
IndexSpecification iSpec = new IndexSpecification("index_name");
iSpec.addIndexColumn(new HColumnDescriptor("cf"), "cq", null, 0);
indexList.add(iSpec);
im.addIndexForTable("index_name", indexList);
indexList = im.getIndicesForTable("index_name");
assertEquals("the total value length should be 2", 2, indexList.get(0).getTotalValueLength());
}
public void testRemoveIndicesForTable() throws Exception {
IndexManager im = IndexManager.getInstance();
assertNotNull("Index Manager should not be null.", im);
List<IndexSpecification> indexList = new ArrayList<IndexSpecification>(1);
IndexSpecification iSpec = new IndexSpecification("index_name");
iSpec.addIndexColumn(new HColumnDescriptor("cf"), "cq", null, 10);
indexList.add(iSpec);
im.removeIndices("index_name");
indexList = im.getIndicesForTable("index_name");
assertNull("Index specification List should be null.", indexList);
}
}