package org.apache.lucene.analysis.ar;
/*
* 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.Reader;
import java.io.StringReader;
import java.util.Collections;
import java.util.Map;
import org.apache.lucene.analysis.BaseTokenStreamTestCase;
import org.apache.lucene.analysis.TokenStream;
import org.apache.lucene.analysis.Tokenizer;
import org.apache.lucene.analysis.fa.PersianCharFilterFactory;
import org.apache.lucene.analysis.standard.StandardTokenizerFactory;
/**
* Simple tests to ensure the Arabic filter Factories are working.
*/
public class TestArabicFilters extends BaseTokenStreamTestCase {
/**
* Test ArabicLetterTokenizerFactory
* @deprecated (3.1) Remove in Lucene 5.0
*/
@Deprecated
public void testTokenizer() throws Exception {
Reader reader = new StringReader("الذين مَلكت أيمانكم");
ArabicLetterTokenizerFactory factory = new ArabicLetterTokenizerFactory();
factory.setLuceneMatchVersion(TEST_VERSION_CURRENT);
Map<String, String> args = Collections.emptyMap();
factory.init(args);
Tokenizer stream = factory.create(reader);
assertTokenStreamContents(stream, new String[] {"الذين", "مَلكت", "أيمانكم"});
}
/**
* Test ArabicNormalizationFilterFactory
*/
public void testNormalizer() throws Exception {
Reader reader = new StringReader("الذين مَلكت أيمانكم");
StandardTokenizerFactory factory = new StandardTokenizerFactory();
factory.setLuceneMatchVersion(TEST_VERSION_CURRENT);
ArabicNormalizationFilterFactory filterFactory = new ArabicNormalizationFilterFactory();
filterFactory.setLuceneMatchVersion(TEST_VERSION_CURRENT);
Map<String, String> args = Collections.emptyMap();
factory.init(args);
filterFactory.init(args);
Tokenizer tokenizer = factory.create(reader);
TokenStream stream = filterFactory.create(tokenizer);
assertTokenStreamContents(stream, new String[] {"الذين", "ملكت", "ايمانكم"});
}
/**
* Test ArabicStemFilterFactory
*/
public void testStemmer() throws Exception {
Reader reader = new StringReader("الذين مَلكت أيمانكم");
StandardTokenizerFactory factory = new StandardTokenizerFactory();
factory.setLuceneMatchVersion(TEST_VERSION_CURRENT);
ArabicNormalizationFilterFactory normFactory = new ArabicNormalizationFilterFactory();
normFactory.setLuceneMatchVersion(TEST_VERSION_CURRENT);
ArabicStemFilterFactory stemFactory = new ArabicStemFilterFactory();
Map<String, String> args = Collections.emptyMap();
factory.init(args);
normFactory.init(args);
Tokenizer tokenizer = factory.create(reader);
TokenStream stream = normFactory.create(tokenizer);
stream = stemFactory.create(stream);
assertTokenStreamContents(stream, new String[] {"ذين", "ملكت", "ايمانكم"});
}
/**
* Test PersianCharFilterFactory
*/
public void testPersianCharFilter() throws Exception {
Reader reader = new StringReader("میخورد");
PersianCharFilterFactory charfilterFactory = new PersianCharFilterFactory();
StandardTokenizerFactory tokenizerFactory = new StandardTokenizerFactory();
tokenizerFactory.setLuceneMatchVersion(TEST_VERSION_CURRENT);
Map<String, String> args = Collections.emptyMap();
tokenizerFactory.init(args);
TokenStream stream = tokenizerFactory.create(charfilterFactory.create(reader));
assertTokenStreamContents(stream, new String[] { "می", "خورد" });
}
}