package org.apache.lucene.analysis.standard;
/*
* 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.
*/
import java.io.Reader;
import java.io.StringReader;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import org.apache.lucene.analysis.BaseTokenStreamTestCase;
import org.apache.lucene.analysis.MockTokenizer;
import org.apache.lucene.analysis.TokenStream;
import org.apache.lucene.analysis.Tokenizer;
import org.apache.lucene.analysis.core.KeywordTokenizerFactory;
import org.apache.lucene.analysis.core.LetterTokenizerFactory;
import org.apache.lucene.analysis.core.LowerCaseTokenizerFactory;
import org.apache.lucene.analysis.core.WhitespaceTokenizerFactory;
import org.apache.lucene.analysis.miscellaneous.ASCIIFoldingFilterFactory;
/**
* Simple tests to ensure the standard lucene factories are working.
*/
public class TestStandardFactories extends BaseTokenStreamTestCase {
/**
* Test StandardTokenizerFactory
*/
public void testStandardTokenizer() throws Exception {
Reader reader = new StringReader("Wha\u0301t's this thing do?");
StandardTokenizerFactory factory = new StandardTokenizerFactory();
factory.setLuceneMatchVersion(TEST_VERSION_CURRENT);
Map<String, String> args = Collections.emptyMap();
factory.init(args);
Tokenizer stream = factory.create(reader);
assertTokenStreamContents(stream,
new String[] {"Wha\u0301t's", "this", "thing", "do" });
}
public void testStandardTokenizerMaxTokenLength() throws Exception {
StringBuilder builder = new StringBuilder();
for (int i = 0 ; i < 100 ; ++i) {
builder.append("abcdefg"); // 7 * 100 = 700 char "word"
}
String longWord = builder.toString();
String content = "one two three " + longWord + " four five six";
Reader reader = new StringReader(content);
Map<String,String> args = new HashMap<String,String>();
args.put("maxTokenLength", "1000");
StandardTokenizerFactory factory = new StandardTokenizerFactory();
factory.setLuceneMatchVersion(TEST_VERSION_CURRENT);
factory.init(args);
Tokenizer stream = factory.create(reader);
assertTokenStreamContents(stream,
new String[] {"one", "two", "three", longWord, "four", "five", "six" });
}
/**
* Test ClassicTokenizerFactory
*/
public void testClassicTokenizer() throws Exception {
Reader reader = new StringReader("What's this thing do?");
ClassicTokenizerFactory factory = new ClassicTokenizerFactory();
factory.setLuceneMatchVersion(TEST_VERSION_CURRENT);
Map<String, String> args = Collections.emptyMap();
factory.init(args);
Tokenizer stream = factory.create(reader);
assertTokenStreamContents(stream,
new String[] {"What's", "this", "thing", "do" });
}
public void testClassicTokenizerMaxTokenLength() throws Exception {
StringBuilder builder = new StringBuilder();
for (int i = 0 ; i < 100 ; ++i) {
builder.append("abcdefg"); // 7 * 100 = 700 char "word"
}
String longWord = builder.toString();
String content = "one two three " + longWord + " four five six";
Reader reader = new StringReader(content);
Map<String,String> args = new HashMap<String,String>();
args.put("maxTokenLength", "1000");
ClassicTokenizerFactory factory = new ClassicTokenizerFactory();
factory.setLuceneMatchVersion(TEST_VERSION_CURRENT);
factory.init(args);
Tokenizer stream = factory.create(reader);
assertTokenStreamContents(stream,
new String[] {"one", "two", "three", longWord, "four", "five", "six" });
}
/**
* Test ClassicFilterFactory
*/
public void testStandardFilter() throws Exception {
Reader reader = new StringReader("What's this thing do?");
ClassicTokenizerFactory factory = new ClassicTokenizerFactory();
factory.setLuceneMatchVersion(TEST_VERSION_CURRENT);
Map<String, String> args = Collections.emptyMap();
factory.init(args);
ClassicFilterFactory filterFactory = new ClassicFilterFactory();
filterFactory.setLuceneMatchVersion(TEST_VERSION_CURRENT);
filterFactory.init(args);
Tokenizer tokenizer = factory.create(reader);
TokenStream stream = filterFactory.create(tokenizer);
assertTokenStreamContents(stream,
new String[] {"What", "this", "thing", "do"});
}
/**
* Test KeywordTokenizerFactory
*/
public void testKeywordTokenizer() throws Exception {
Reader reader = new StringReader("What's this thing do?");
KeywordTokenizerFactory factory = new KeywordTokenizerFactory();
factory.setLuceneMatchVersion(TEST_VERSION_CURRENT);
Map<String, String> args = Collections.emptyMap();
factory.init(args);
Tokenizer stream = factory.create(reader);
assertTokenStreamContents(stream,
new String[] {"What's this thing do?"});
}
/**
* Test WhitespaceTokenizerFactory
*/
public void testWhitespaceTokenizer() throws Exception {
Reader reader = new StringReader("What's this thing do?");
WhitespaceTokenizerFactory factory = new WhitespaceTokenizerFactory();
factory.setLuceneMatchVersion(TEST_VERSION_CURRENT);
Map<String, String> args = Collections.emptyMap();
factory.init(args);
Tokenizer stream = factory.create(reader);
assertTokenStreamContents(stream,
new String[] {"What's", "this", "thing", "do?"});
}
/**
* Test LetterTokenizerFactory
*/
public void testLetterTokenizer() throws Exception {
Reader reader = new StringReader("What's this thing do?");
LetterTokenizerFactory factory = new LetterTokenizerFactory();
factory.setLuceneMatchVersion(TEST_VERSION_CURRENT);
Map<String, String> args = Collections.emptyMap();
factory.init(args);
Tokenizer stream = factory.create(reader);
assertTokenStreamContents(stream,
new String[] {"What", "s", "this", "thing", "do"});
}
/**
* Test LowerCaseTokenizerFactory
*/
public void testLowerCaseTokenizer() throws Exception {
Reader reader = new StringReader("What's this thing do?");
LowerCaseTokenizerFactory factory = new LowerCaseTokenizerFactory();
factory.setLuceneMatchVersion(TEST_VERSION_CURRENT);
Map<String, String> args = Collections.emptyMap();
factory.init(args);
Tokenizer stream = factory.create(reader);
assertTokenStreamContents(stream,
new String[] {"what", "s", "this", "thing", "do"});
}
/**
* Ensure the ASCIIFoldingFilterFactory works
*/
public void testASCIIFolding() throws Exception {
Reader reader = new StringReader("Česká");
Tokenizer tokenizer = new MockTokenizer(reader, MockTokenizer.WHITESPACE, false);
ASCIIFoldingFilterFactory factory = new ASCIIFoldingFilterFactory();
factory.setLuceneMatchVersion(TEST_VERSION_CURRENT);
Map<String, String> args = Collections.emptyMap();
factory.init(args);
TokenStream stream = factory.create(tokenizer);
assertTokenStreamContents(stream, new String[] { "Ceska" });
}
}