| /* |
| * 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.bn; |
| |
| import java.io.IOException; |
| import org.apache.lucene.analysis.Analyzer; |
| import org.apache.lucene.analysis.BaseTokenStreamTestCase; |
| import org.apache.lucene.analysis.TokenFilter; |
| import org.apache.lucene.analysis.Tokenizer; |
| import org.apache.lucene.analysis.core.KeywordTokenizer; |
| |
| /** Test Codes for BengaliStemmer */ |
| public class TestBengaliStemmer extends BaseTokenStreamTestCase { |
| |
| /** Testing few verbal words */ |
| public void testVerbsInShadhuForm() throws IOException { |
| check("করেছিলাম", "কর"); |
| check("করিতেছিলে", "কর"); |
| check("খাইতাম", "খাই"); |
| check("যাইবে", "যা"); |
| } |
| |
| public void testVerbsInCholitoForm() throws IOException { |
| check("করছিলাম", "কর"); |
| check("করছিলে", "কর"); |
| check("করতাম", "কর"); |
| check("যাব", "যা"); |
| check("যাবে", "যা"); |
| check("করি", "কর"); |
| check("করো", "কর"); |
| } |
| |
| public void testNouns() throws IOException { |
| check("মেয়েরা", "মে"); |
| check("মেয়েদেরকে", "মে"); |
| check("মেয়েদের", "মে"); |
| |
| check("একটি", "এক"); |
| check("মানুষগুলি", "মানুষ"); |
| } |
| |
| private void check(String input, String output) throws IOException { |
| Tokenizer tokenizer = whitespaceMockTokenizer(input); |
| TokenFilter tf = new BengaliStemFilter(tokenizer); |
| assertTokenStreamContents(tf, new String[] {output}); |
| } |
| |
| public void testEmptyTerm() throws IOException { |
| Analyzer a = |
| new Analyzer() { |
| @Override |
| protected TokenStreamComponents createComponents(String fieldName) { |
| Tokenizer tokenizer = new KeywordTokenizer(); |
| return new TokenStreamComponents(tokenizer, new BengaliStemFilter(tokenizer)); |
| } |
| }; |
| checkOneTerm(a, "", ""); |
| a.close(); |
| } |
| } |