| /* |
| * 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.search.highlight; |
| |
| import java.io.StringReader; |
| |
| import org.apache.lucene.analysis.*; |
| |
| public class OffsetLimitTokenFilterTest extends BaseTokenStreamTestCase { |
| |
| public void testFilter() throws Exception { |
| // we disable MockTokenizer checks because we will forcefully limit the |
| // tokenstream and call end() before incrementToken() returns false. |
| MockTokenizer stream = new MockTokenizer( |
| MockTokenizer.WHITESPACE, false); |
| stream.setReader(new StringReader("short toolong evenmuchlongertext a ab toolong foo")); |
| stream.setEnableChecks(false); |
| OffsetLimitTokenFilter filter = new OffsetLimitTokenFilter(stream, 10); |
| assertTokenStreamContents(filter, new String[] {"short", "toolong"}); |
| |
| stream = new MockTokenizer(MockTokenizer.WHITESPACE, false); |
| stream.setReader(new StringReader("short toolong evenmuchlongertext a ab toolong foo")); |
| stream.setEnableChecks(false); |
| filter = new OffsetLimitTokenFilter(stream, 12); |
| assertTokenStreamContents(filter, new String[] {"short", "toolong"}); |
| |
| stream = new MockTokenizer(MockTokenizer.WHITESPACE, false); |
| stream.setReader(new StringReader("short toolong evenmuchlongertext a ab toolong foo")); |
| stream.setEnableChecks(false); |
| filter = new OffsetLimitTokenFilter(stream, 30); |
| assertTokenStreamContents(filter, new String[] {"short", "toolong", |
| "evenmuchlongertext"}); |
| |
| checkOneTerm(new Analyzer() { |
| |
| @Override |
| public TokenStreamComponents createComponents(String fieldName) { |
| MockTokenizer tokenizer = new MockTokenizer(MockTokenizer.WHITESPACE, false); |
| tokenizer.setEnableChecks(false); |
| return new TokenStreamComponents(tokenizer, new OffsetLimitTokenFilter(tokenizer, 10)); |
| } |
| }, "llenges", "llenges"); |
| } |
| } |