/* * 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.cjk; import java.io.Reader; import java.io.StringReader; import org.apache.lucene.analysis.TokenStream; import org.apache.lucene.analysis.Tokenizer; import org.apache.lucene.analysis.util.BaseTokenStreamFactoryTestCase; /** * Simple tests to ensure the CJK bigram factory is working. */ public class TestCJKBigramFilterFactory extends BaseTokenStreamFactoryTestCase { public void testDefaults() throws Exception { Reader reader = new StringReader("多くの学生が試験に落ちた。"); TokenStream stream = tokenizerFactory("standard").create(); ((Tokenizer)stream).setReader(reader); stream = tokenFilterFactory("CJKBigram").create(stream); assertTokenStreamContents(stream, new String[] { "多く", "くの", "の学", "学生", "生が", "が試", "試験", "験に", "に落", "落ち", "ちた" }); } public void testHanOnly() throws Exception { Reader reader = new StringReader("多くの学生が試験に落ちた。"); TokenStream stream = tokenizerFactory("standard").create(); ((Tokenizer)stream).setReader(reader); stream = tokenFilterFactory("CJKBigram", "hiragana", "false").create(stream); assertTokenStreamContents(stream, new String[] { "多", "く", "の", "学生", "が", "試験", "に", "落", "ち", "た" }); } public void testHanOnlyUnigrams() throws Exception { Reader reader = new StringReader("多くの学生が試験に落ちた。"); TokenStream stream = tokenizerFactory("standard").create(); ((Tokenizer)stream).setReader(reader); stream = tokenFilterFactory("CJKBigram", "hiragana", "false", "outputUnigrams", "true").create(stream); assertTokenStreamContents(stream, new String[] { "多", "く", "の", "学", "学生", "生", "が", "試", "試験", "験", "に", "落", "ち", "た" }); } /** Test that bogus arguments result in exception */ public void testBogusArguments() throws Exception { IllegalArgumentException expected = expectThrows(IllegalArgumentException.class, () -> { tokenFilterFactory("CJKBigram", "bogusArg", "bogusValue"); }); } }