content: /**
   * 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));
  
    }
  
  }
  