| /* |
| * 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.tr; |
| |
| import java.io.IOException; |
| import org.apache.lucene.analysis.Analyzer; |
| import org.apache.lucene.analysis.BaseTokenStreamTestCase; |
| import org.apache.lucene.analysis.TokenStream; |
| import org.apache.lucene.analysis.Tokenizer; |
| import org.apache.lucene.analysis.core.KeywordTokenizer; |
| |
| /** Test the Turkish lowercase filter. */ |
| public class TestTurkishLowerCaseFilter extends BaseTokenStreamTestCase { |
| |
| /** Test composed forms */ |
| public void testTurkishLowerCaseFilter() throws Exception { |
| TokenStream stream = whitespaceMockTokenizer("\u0130STANBUL \u0130ZM\u0130R ISPARTA"); |
| TurkishLowerCaseFilter filter = new TurkishLowerCaseFilter(stream); |
| assertTokenStreamContents( |
| filter, |
| new String[] { |
| "istanbul", "izmir", "\u0131sparta", |
| }); |
| } |
| |
| /** Test decomposed forms */ |
| public void testDecomposed() throws Exception { |
| TokenStream stream = |
| whitespaceMockTokenizer("\u0049\u0307STANBUL \u0049\u0307ZM\u0049\u0307R ISPARTA"); |
| TurkishLowerCaseFilter filter = new TurkishLowerCaseFilter(stream); |
| assertTokenStreamContents( |
| filter, |
| new String[] { |
| "istanbul", "izmir", "\u0131sparta", |
| }); |
| } |
| |
| /** |
| * Test decomposed forms with additional accents In this example, U+0049 + U+0316 + U+0307 is |
| * canonically equivalent to U+0130 + U+0316, and is lowercased the same way. |
| */ |
| public void testDecomposed2() throws Exception { |
| TokenStream stream = |
| whitespaceMockTokenizer( |
| "\u0049\u0316\u0307STANBUL \u0049\u0307ZM\u0049\u0307R I\u0316SPARTA"); |
| TurkishLowerCaseFilter filter = new TurkishLowerCaseFilter(stream); |
| assertTokenStreamContents( |
| filter, |
| new String[] { |
| "i\u0316stanbul", "izmir", "\u0131\u0316sparta", |
| }); |
| } |
| |
| public void testDecomposed3() throws Exception { |
| TokenStream stream = whitespaceMockTokenizer("\u0049\u0307"); |
| TurkishLowerCaseFilter filter = new TurkishLowerCaseFilter(stream); |
| assertTokenStreamContents(filter, new String[] {"i"}); |
| } |
| |
| public void testEmptyTerm() throws IOException { |
| Analyzer a = |
| new Analyzer() { |
| @Override |
| protected TokenStreamComponents createComponents(String fieldName) { |
| Tokenizer tokenizer = new KeywordTokenizer(); |
| return new TokenStreamComponents(tokenizer, new TurkishLowerCaseFilter(tokenizer)); |
| } |
| }; |
| checkOneTerm(a, "", ""); |
| a.close(); |
| } |
| } |