| /* |
| * 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.opennlp; |
| |
| import java.io.IOException; |
| import java.io.StringReader; |
| import java.util.HashMap; |
| import java.util.Map; |
| import org.apache.lucene.analysis.BaseTokenStreamTestCase; |
| import org.apache.lucene.analysis.Tokenizer; |
| import org.apache.lucene.analysis.custom.CustomAnalyzer; |
| import org.apache.lucene.util.ClasspathResourceLoader; |
| import org.junit.Test; |
| |
| /** |
| * Tests the Tokenizer as well- the Tokenizer needs the OpenNLP model files, which this can load |
| * from src/test-files/opennlp/solr/conf |
| */ |
| public class TestOpenNLPTokenizerFactory extends BaseTokenStreamTestCase { |
| |
| private static String SENTENCES = "Sentence number 1 has 6 words. Sentence number 2, 5 words."; |
| private static String[] SENTENCES_punc = { |
| "Sentence", |
| "number", |
| "1", |
| "has", |
| "6", |
| "words", |
| ".", |
| "Sentence", |
| "number", |
| "2", |
| ",", |
| "5", |
| "words", |
| "." |
| }; |
| private static int[] SENTENCES_startOffsets = { |
| 0, 9, 16, 18, 22, 24, 29, 31, 40, 47, 48, 50, 52, 57 |
| }; |
| private static int[] SENTENCES_endOffsets = { |
| 8, 15, 17, 21, 23, 29, 30, 39, 46, 48, 49, 51, 57, 58 |
| }; |
| |
| private static String SENTENCE1 = "Sentence number 1 has 6 words."; |
| private static String[] SENTENCE1_punc = {"Sentence", "number", "1", "has", "6", "words", "."}; |
| |
| @Test |
| public void testTokenizer() throws IOException { |
| CustomAnalyzer analyzer = |
| CustomAnalyzer.builder(new ClasspathResourceLoader(getClass())) |
| .withTokenizer( |
| "opennlp", |
| "sentenceModel", |
| "en-test-sent.bin", |
| "tokenizerModel", |
| "en-test-tokenizer.bin") |
| .build(); |
| assertAnalyzesTo( |
| analyzer, SENTENCES, SENTENCES_punc, SENTENCES_startOffsets, SENTENCES_endOffsets); |
| assertAnalyzesTo(analyzer, SENTENCE1, SENTENCE1_punc); |
| } |
| |
| @Test |
| public void testTokenizerNoSentenceDetector() throws IOException { |
| IllegalArgumentException expected = |
| expectThrows( |
| IllegalArgumentException.class, |
| () -> { |
| CustomAnalyzer analyzer = |
| CustomAnalyzer.builder(new ClasspathResourceLoader(getClass())) |
| .withTokenizer("opennlp", "tokenizerModel", "en-test-tokenizer.bin") |
| .build(); |
| }); |
| assertTrue( |
| expected.getMessage().contains("Configuration Error: missing parameter 'sentenceModel'")); |
| } |
| |
| @Test |
| public void testTokenizerNoTokenizer() throws IOException { |
| IllegalArgumentException expected = |
| expectThrows( |
| IllegalArgumentException.class, |
| () -> { |
| CustomAnalyzer analyzer = |
| CustomAnalyzer.builder(new ClasspathResourceLoader(getClass())) |
| .withTokenizer("opennlp", "sentenceModel", "en-test-sent.bin") |
| .build(); |
| }); |
| assertTrue( |
| expected.getMessage().contains("Configuration Error: missing parameter 'tokenizerModel'")); |
| } |
| |
| // test analyzer caching the tokenizer |
| @Test |
| public void testClose() throws IOException { |
| Map<String, String> args = |
| new HashMap<String, String>() { |
| { |
| put("sentenceModel", "en-test-sent.bin"); |
| put("tokenizerModel", "en-test-tokenizer.bin"); |
| } |
| }; |
| OpenNLPTokenizerFactory factory = new OpenNLPTokenizerFactory(args); |
| factory.inform(new ClasspathResourceLoader(getClass())); |
| |
| Tokenizer ts = factory.create(newAttributeFactory()); |
| ts.setReader(new StringReader(SENTENCES)); |
| |
| ts.reset(); |
| ts.close(); |
| ts.reset(); |
| ts.setReader(new StringReader(SENTENCES)); |
| assertTokenStreamContents(ts, SENTENCES_punc); |
| ts.close(); |
| ts.reset(); |
| ts.setReader(new StringReader(SENTENCES)); |
| assertTokenStreamContents(ts, SENTENCES_punc); |
| } |
| } |