| /* |
| * 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.ar; |
| |
| |
| import java.io.IOException; |
| |
| import org.apache.lucene.analysis.Analyzer; |
| import org.apache.lucene.analysis.BaseTokenStreamTestCase; |
| import org.apache.lucene.analysis.CharArraySet; |
| 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; |
| |
| /** |
| * Test the Arabic Normalization Filter |
| * |
| */ |
| public class TestArabicStemFilter extends BaseTokenStreamTestCase { |
| |
| public void testAlPrefix() throws IOException { |
| check("الحسن", "حسن"); |
| } |
| |
| public void testWalPrefix() throws IOException { |
| check("والحسن", "حسن"); |
| } |
| |
| public void testBalPrefix() throws IOException { |
| check("بالحسن", "حسن"); |
| } |
| |
| public void testKalPrefix() throws IOException { |
| check("كالحسن", "حسن"); |
| } |
| |
| public void testFalPrefix() throws IOException { |
| check("فالحسن", "حسن"); |
| } |
| |
| public void testLlPrefix() throws IOException { |
| check("للاخر", "اخر"); |
| } |
| |
| public void testWaPrefix() throws IOException { |
| check("وحسن", "حسن"); |
| } |
| |
| public void testAhSuffix() throws IOException { |
| check("زوجها", "زوج"); |
| } |
| |
| public void testAnSuffix() throws IOException { |
| check("ساهدان", "ساهد"); |
| } |
| |
| public void testAtSuffix() throws IOException { |
| check("ساهدات", "ساهد"); |
| } |
| |
| public void testWnSuffix() throws IOException { |
| check("ساهدون", "ساهد"); |
| } |
| |
| public void testYnSuffix() throws IOException { |
| check("ساهدين", "ساهد"); |
| } |
| |
| public void testYhSuffix() throws IOException { |
| check("ساهديه", "ساهد"); |
| } |
| |
| public void testYpSuffix() throws IOException { |
| check("ساهدية", "ساهد"); |
| } |
| |
| public void testHSuffix() throws IOException { |
| check("ساهده", "ساهد"); |
| } |
| |
| public void testPSuffix() throws IOException { |
| check("ساهدة", "ساهد"); |
| } |
| |
| public void testYSuffix() throws IOException { |
| check("ساهدي", "ساهد"); |
| } |
| |
| public void testComboPrefSuf() throws IOException { |
| check("وساهدون", "ساهد"); |
| } |
| |
| public void testComboSuf() throws IOException { |
| check("ساهدهات", "ساهد"); |
| } |
| |
| public void testShouldntStem() throws IOException { |
| check("الو", "الو"); |
| } |
| |
| public void testNonArabic() throws IOException { |
| check("English", "English"); |
| } |
| |
| public void testWithKeywordAttribute() throws IOException { |
| CharArraySet set = new CharArraySet(1, true); |
| set.add("ساهدهات"); |
| MockTokenizer tokenStream = whitespaceMockTokenizer("ساهدهات"); |
| |
| ArabicStemFilter filter = new ArabicStemFilter(new SetKeywordMarkerFilter(tokenStream, set)); |
| assertTokenStreamContents(filter, new String[]{"ساهدهات"}); |
| } |
| |
| private void check(final String input, final String expected) throws IOException { |
| MockTokenizer tokenStream = whitespaceMockTokenizer(input); |
| ArabicStemFilter filter = new ArabicStemFilter(tokenStream); |
| assertTokenStreamContents(filter, new String[]{expected}); |
| } |
| |
| public void testEmptyTerm() throws IOException { |
| Analyzer a = new Analyzer() { |
| @Override |
| protected TokenStreamComponents createComponents(String fieldName) { |
| Tokenizer tokenizer = new KeywordTokenizer(); |
| return new TokenStreamComponents(tokenizer, new ArabicStemFilter(tokenizer)); |
| } |
| }; |
| checkOneTerm(a, "", ""); |
| a.close(); |
| } |
| } |