lucene/analysis/common/src/test/org/apache/lucene/analysis/ga/TestIrishAnalyzer.java

/*
 * 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.lucene.analysis.ga;


import java.io.IOException;

import org.apache.lucene.analysis.Analyzer;
import org.apache.lucene.analysis.BaseTokenStreamTestCase;
import org.apache.lucene.analysis.CharArraySet;

public class TestIrishAnalyzer extends BaseTokenStreamTestCase {
  /** This test fails with NPE when the 
   * stopwords file is missing in classpath */
  public void testResourcesAvailable() {
    new IrishAnalyzer().close();
  }
  
  /** test stopwords and stemming */
  public void testBasics() throws IOException {
    Analyzer a = new IrishAnalyzer();
    // stemming
    checkOneTerm(a, "siopadóireacht", "siopadóir");
    checkOneTerm(a, "síceapatacha", "síceapaite");
    // stopword
    assertAnalyzesTo(a, "le", new String[] { });
    a.close();
  }
  
  /** test use of elisionfilter */
  public void testContractions() throws IOException {
    Analyzer a = new IrishAnalyzer();
    assertAnalyzesTo(a, "b'fhearr m'athair",
        new String[] { "fearr", "athair" });
    a.close();
  }
  
  /** test use of exclusion set */
  public void testExclude() throws IOException {
    CharArraySet exclusionSet = new CharArraySet( asSet("feirmeoireacht"), false);
    Analyzer a = new IrishAnalyzer( 
        IrishAnalyzer.getDefaultStopSet(), exclusionSet);
    checkOneTerm(a, "feirmeoireacht", "feirmeoireacht");
    checkOneTerm(a, "siopadóireacht", "siopadóir");
    a.close();
  }
  
  /** test special hyphen handling */
  public void testHyphens() throws IOException {
    Analyzer a = new IrishAnalyzer();
    assertAnalyzesTo(a, "n-athair",
        new String[] { "athair" },
        new int[] { 2 });
    a.close();
  }
  
  /** blast some random strings through the analyzer */
  public void testRandomStrings() throws Exception {
    Analyzer a = new IrishAnalyzer();
    checkRandomData(random(), a, 200 * RANDOM_MULTIPLIER);
    a.close();
  }
}