package org.apache.lucene.analysis.hunspell;
/*
* 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.
*/
import java.io.IOException;
import java.io.InputStream;
import java.io.Reader;
import java.io.StringReader;
import java.text.ParseException;
import java.util.Arrays;
import org.apache.lucene.analysis.Analyzer;
import org.apache.lucene.analysis.BaseTokenStreamTestCase;
import org.apache.lucene.analysis.MockTokenizer;
import org.apache.lucene.analysis.Tokenizer;
import org.apache.lucene.analysis.core.KeywordTokenizer;
import org.apache.lucene.analysis.miscellaneous.SetKeywordMarkerFilter;
import org.apache.lucene.analysis.util.CharArraySet;
import org.apache.lucene.util._TestUtil;
import org.junit.AfterClass;
import org.junit.BeforeClass;
public class HunspellStemFilterTest extends BaseTokenStreamTestCase {
private static HunspellDictionary DICTIONARY;
@BeforeClass
public static void beforeClass() throws IOException, ParseException {
DICTIONARY = createDict(true);
}
@AfterClass
public static void afterClass() {
DICTIONARY = null;
}
public static HunspellDictionary createDict(boolean ignoreCase) throws IOException, ParseException {
InputStream affixStream = HunspellStemmerTest.class.getResourceAsStream("test.aff");
InputStream dictStream = HunspellStemmerTest.class.getResourceAsStream("test.dic");
return new HunspellDictionary(affixStream, dictStream, TEST_VERSION_CURRENT, ignoreCase);
}
/**
* Simple test for KeywordAttribute
*/
public void testKeywordAttribute() throws IOException {
MockTokenizer tokenizer = new MockTokenizer(new StringReader("lucene is awesome"), MockTokenizer.WHITESPACE, true);
tokenizer.setEnableChecks(true);
HunspellStemFilter filter = new HunspellStemFilter(tokenizer, DICTIONARY, _TestUtil.nextInt(random(), 1, 3));
assertTokenStreamContents(filter, new String[]{"lucene", "lucen", "is", "awesome"}, new int[] {1, 0, 1, 1});
// assert with keywork marker
tokenizer = new MockTokenizer(new StringReader("lucene is awesome"), MockTokenizer.WHITESPACE, true);
CharArraySet set = new CharArraySet(TEST_VERSION_CURRENT, Arrays.asList("Lucene"), true);
filter = new HunspellStemFilter(new SetKeywordMarkerFilter(tokenizer, set), DICTIONARY, _TestUtil.nextInt(random(), 1, 3));
assertTokenStreamContents(filter, new String[]{"lucene", "is", "awesome"}, new int[] {1, 1, 1});
}
/** blast some random strings through the analyzer */
public void testRandomStrings() throws Exception {
Analyzer analyzer = new Analyzer() {
@Override
protected TokenStreamComponents createComponents(String fieldName, Reader reader) {
Tokenizer tokenizer = new MockTokenizer(reader, MockTokenizer.WHITESPACE, false);
return new TokenStreamComponents(tokenizer, new HunspellStemFilter(tokenizer, DICTIONARY, _TestUtil.nextInt(random(), 1, 3)));
}
};
checkRandomData(random(), analyzer, 1000*RANDOM_MULTIPLIER);
}
public void testEmptyTerm() throws IOException {
Analyzer a = new Analyzer() {
@Override
protected TokenStreamComponents createComponents(String fieldName, Reader reader) {
Tokenizer tokenizer = new KeywordTokenizer(reader);
return new TokenStreamComponents(tokenizer, new HunspellStemFilter(tokenizer, DICTIONARY, _TestUtil.nextInt(random(), 1, 3)));
}
};
checkOneTerm(a, "", "");
}
}