| /* |
| * 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.ja; |
| |
| import java.io.IOException; |
| import java.io.StringReader; |
| import java.util.HashMap; |
| import org.apache.lucene.analysis.BaseTokenStreamTestCase; |
| import org.apache.lucene.analysis.TokenStream; |
| import org.apache.lucene.analysis.Tokenizer; |
| |
| /** Simple tests for {@link JapaneseKatakanaStemFilterFactory} */ |
| public class TestJapaneseKatakanaStemFilterFactory extends BaseTokenStreamTestCase { |
| public void testKatakanaStemming() throws IOException { |
| JapaneseTokenizerFactory tokenizerFactory = new JapaneseTokenizerFactory(new HashMap<>()); |
| tokenizerFactory.inform(new StringMockResourceLoader("")); |
| TokenStream tokenStream = tokenizerFactory.create(newAttributeFactory()); |
| ((Tokenizer) tokenStream).setReader(new StringReader("明後日パーティーに行く予定がある。図書館で資料をコピーしました。")); |
| JapaneseKatakanaStemFilterFactory filterFactory = |
| new JapaneseKatakanaStemFilterFactory(new HashMap<>()); |
| |
| assertTokenStreamContents( |
| filterFactory.create(tokenStream), |
| new String[] { |
| // パーティー should be stemmed |
| "明後日", |
| "パーティ", |
| "に", |
| "行く", |
| "予定", |
| "が", |
| "ある", |
| // コピー should not be stemmed |
| "図書館", |
| "で", |
| "資料", |
| "を", |
| "コピー", |
| "し", |
| "まし", |
| "た" |
| }); |
| } |
| |
| /** Test that bogus arguments result in exception */ |
| public void testBogusArguments() throws Exception { |
| IllegalArgumentException expected = |
| expectThrows( |
| IllegalArgumentException.class, |
| () -> { |
| new JapaneseKatakanaStemFilterFactory( |
| new HashMap<>() { |
| { |
| put("bogusArg", "bogusValue"); |
| } |
| }); |
| }); |
| assertTrue(expected.getMessage().contains("Unknown parameters")); |
| } |
| } |