/**
* Copyright 2010 Karthik Kumar
*
*
* 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.hbasene.index;
import java.io.IOException;
import org.apache.log4j.Logger;
import org.apache.lucene.index.CorruptIndexException;
import org.apache.lucene.index.Term;
import org.hbasene.index.AbstractTermPositionsEncoder;
import org.hbasene.index.HBaseTermPositions;
import org.junit.After;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
public class TestHBaseTermPositions extends AbstractHBaseneTest {
@SuppressWarnings("unused")
private static final Logger LOGGER = Logger
.getLogger(TestHBaseTermPositions.class.getName());
private HBaseTermPositions termPositions;
/**
* Encoder of termPositions
*/
private final AbstractTermPositionsEncoder termPositionEncoder = new AlphaTermPositionsEncoder();
/**
* @throws java.lang.Exception
*/
@Before
public void doSetupDerived() throws CorruptIndexException, IOException {
termPositions = new HBaseTermPositions(indexReader, this.termPositionEncoder);
}
/**
* @throws java.lang.Exception
*/
@After
public void doTearDownDerived() throws Exception {
termPositions.close();
}
@Test
public void testTermDocs() throws IOException {
termPositions.seek(new Term("content", "plays"));
int count = 0;
while (termPositions.next()) {
Assert.assertTrue(termPositions.doc() >= 0);
Assert.assertTrue(termPositions.freq() > 0);
++count;
}
Assert.assertEquals( 4, count);
}
@Test
public void testReadNormal() throws IOException {
int[] docs = new int[4];
int[] freqs = new int[4];
termPositions.seek(new Term("content", "plays"));
Assert.assertEquals(4, termPositions.read(docs, freqs));
}
@Test
public void testReadOverflowDocs() throws IOException {
int[] docs = new int[32];
int[] freqs = new int[32];
termPositions.seek(new Term("content", "plays"));
Assert.assertEquals(4, termPositions.read(docs, freqs));
}
@Test
public void testReadUnderflowDocs() throws IOException {
int[] docs = new int[3];
int[] freqs = new int[3];
termPositions.seek(new Term("content", "plays"));
Assert.assertEquals(3, termPositions.read(docs, freqs));
}
@Test
public void testReadMultipleSplits() throws IOException {
termPositions.seek(new Term("content", "plays"));
int[] docs = new int[3];
int[] freqs = new int[3];
Assert.assertEquals(3, termPositions.read(docs, freqs));
docs = new int[1];
freqs = new int[1];
Assert.assertEquals(1, termPositions.read(docs, freqs));
}
@Test
public void testReadAtLastBoundary() throws IOException {
termPositions.seek(new Term("content", "plays"));
int[] docs = new int[3];
int[] freqs = new int[3];
Assert.assertEquals(3, termPositions.read(docs, freqs));
docs = new int[1];
freqs = new int[1];
Assert.assertEquals(1, termPositions.read(docs, freqs));
Assert.assertEquals(0, termPositions.read(docs, freqs));
}
}