| // Lucene version compatibility level 8.2.0 |
| using Lucene.Net.Analysis.Util; |
| using NUnit.Framework; |
| using System; |
| using System.Collections.Generic; |
| using System.IO; |
| |
| namespace Lucene.Net.Analysis.OpenNlp |
| { |
| /* |
| * 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. |
| */ |
| |
| /// <summary> |
| /// Tests the Tokenizer as well- the Tokenizer needs the OpenNLP model files, |
| /// which this can load from src/test-files/opennlp/solr/conf |
| /// </summary> |
| public class TestOpenNLPTokenizerFactory : BaseTokenStreamTestCase |
| { |
| private const 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 const String SENTENCE1 = "Sentence number 1 has 6 words."; |
| private static String[] SENTENCE1_punc = { "Sentence", "number", "1", "has", "6", "words", "." }; |
| |
| [Test] |
| public void TestTokenizer() |
| { |
| Analyzer analyzer = Analyzer.NewAnonymous(createComponents: (fieldname, reader) => |
| { |
| var tokenizerFactory = new OpenNLPTokenizerFactory(new Dictionary<string, string> { { "sentenceModel", "en-test-sent.bin" }, { "tokenizerModel", "en-test-tokenizer.bin" } }); |
| var tokenizer = tokenizerFactory.Create(reader); |
| return new TokenStreamComponents(tokenizer); |
| }); |
| //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() |
| { |
| var expected = Assert.Throws<ArgumentException>(() => |
| { |
| Analyzer analyzer = Analyzer.NewAnonymous(createComponents: (fieldname, reader) => |
| { |
| var tokenizerFactory = new OpenNLPTokenizerFactory(new Dictionary<string, string> { { "tokenizerModel", "en-test-tokenizer.bin" } }); |
| var tokenizer = tokenizerFactory.Create(reader); |
| return new TokenStreamComponents(tokenizer); |
| }); |
| analyzer.GetTokenStream("", ""); |
| }); |
| |
| // IllegalArgumentException expected = expectThrows(IllegalArgumentException.class, () -> { |
| // CustomAnalyzer analyzer = CustomAnalyzer.builder(new ClasspathResourceLoader(getClass())) |
| // .withTokenizer("opennlp", "tokenizerModel", "en-test-tokenizer.bin") |
| // .build(); |
| //}); |
| assertTrue(expected.Message.Contains("Configuration Error: missing parameter 'sentenceModel'")); |
| } |
| |
| [Test] |
| public void TestTokenizerNoTokenizer() |
| { |
| //Analyzer analyzer2 = Analyzer.NewAnonymous(createComponents: (fieldname, reader) => |
| //{ |
| // var tokenizerFactory = new OpenNLPTokenizerFactory(new Dictionary<string, string> { { "sentenceModel", "en-test-sent.bin" } }); |
| // tokenizerFactory.Inform(new ClasspathResourceLoader(GetType())); |
| // var tokenizer = tokenizerFactory.Create(reader); |
| // return new TokenStreamComponents(tokenizer); |
| //}); |
| //analyzer2.GetTokenStream("", ""); |
| |
| var expected = Assert.Throws<ArgumentException>(() => |
| { |
| Analyzer analyzer = Analyzer.NewAnonymous(createComponents: (fieldname, reader) => |
| { |
| var tokenizerFactory = new OpenNLPTokenizerFactory(new Dictionary<string, string> { { "sentenceModel", "en-test-sent.bin" } }); |
| var tokenizer = tokenizerFactory.Create(reader); |
| return new TokenStreamComponents(tokenizer); |
| }); |
| analyzer.GetTokenStream("", ""); |
| }); |
| |
| // IllegalArgumentException expected = expectThrows(ArgumentException.class, () -> { |
| // CustomAnalyzer analyzer = CustomAnalyzer.builder(new ClasspathResourceLoader(getClass())) |
| // .withTokenizer("opennlp", "sentenceModel", "en-test-sent.bin") |
| // .build(); |
| //}); |
| assertTrue(expected.Message.Contains("Configuration Error: missing parameter 'tokenizerModel'")); |
| } |
| |
| // test analyzer caching the tokenizer |
| [Test] |
| public void TestClose() |
| { |
| IDictionary<String, String> args = new Dictionary<String, String>() |
| { |
| { "sentenceModel", "en-test-sent.bin" }, |
| { "tokenizerModel", "en-test-tokenizer.bin" } |
| }; |
| OpenNLPTokenizerFactory factory = new OpenNLPTokenizerFactory(args); |
| factory.Inform(new ClasspathResourceLoader(GetType())); |
| |
| Tokenizer ts = factory.Create(NewAttributeFactory(), new StringReader(SENTENCES)); |
| //ts.SetReader(new StringReader(SENTENCES)); |
| |
| ts.Reset(); |
| ts.Dispose(); |
| ts.Reset(); |
| ts.SetReader(new StringReader(SENTENCES)); |
| AssertTokenStreamContents(ts, SENTENCES_punc); |
| ts.Dispose(); |
| ts.Reset(); |
| ts.SetReader(new StringReader(SENTENCES)); |
| AssertTokenStreamContents(ts, SENTENCES_punc); |
| } |
| |
| internal static void assertTrue(bool condition) |
| { |
| Assert.IsTrue(condition); |
| } |
| } |
| } |