/*
* 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.standard;
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 standard lucene factories are working.
*/
public class TestStandardFactories extends BaseTokenStreamFactoryTestCase {
/**
* Test StandardTokenizerFactory
*/
public void testStandardTokenizer() throws Exception {
Reader reader = new StringReader("Wha\u0301t's this thing do?");
Tokenizer stream = tokenizerFactory("Standard").create(newAttributeFactory());
stream.setReader(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);
Tokenizer stream = tokenizerFactory("Standard",
"maxTokenLength", "1000").create(newAttributeFactory());
stream.setReader(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?");
Tokenizer stream = tokenizerFactory("Classic").create(newAttributeFactory());
stream.setReader(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);
Tokenizer stream = tokenizerFactory("Classic",
"maxTokenLength", "1000").create(newAttributeFactory());
stream.setReader(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?");
Tokenizer tokenizer = tokenizerFactory("Classic").create(newAttributeFactory());
tokenizer.setReader(reader);
TokenStream stream = tokenFilterFactory("Classic").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?");
Tokenizer stream = tokenizerFactory("Keyword").create();
stream.setReader(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?");
Tokenizer stream = tokenizerFactory("Whitespace").create(newAttributeFactory());
stream.setReader(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?");
Tokenizer stream = tokenizerFactory("Letter").create(newAttributeFactory());
stream.setReader(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?");
Tokenizer stream = tokenizerFactory("LowerCase").create(newAttributeFactory());
stream.setReader(reader);
assertTokenStreamContents(stream,
new String[] { "what", "s", "this", "thing", "do" });
}
/**
* Ensure the ASCIIFoldingFilterFactory works
*/
public void testASCIIFolding() throws Exception {
Reader reader = new StringReader("Česká");
TokenStream stream = whitespaceMockTokenizer(reader);
stream = tokenFilterFactory("ASCIIFolding").create(stream);
assertTokenStreamContents(stream, new String[] { "Ceska" });
}
/** Test that bogus arguments result in exception */
public void testBogusArguments() throws Exception {
IllegalArgumentException expected = expectThrows(IllegalArgumentException.class, () -> {
tokenizerFactory("Standard", "bogusArg", "bogusValue");
});
assertTrue(expected.getMessage().contains("Unknown parameters"));
expected = expectThrows(IllegalArgumentException.class, () -> {
tokenizerFactory("Classic", "bogusArg", "bogusValue");
});
assertTrue(expected.getMessage().contains("Unknown parameters"));
expected = expectThrows(IllegalArgumentException.class, () -> {
tokenizerFactory("Whitespace", "bogusArg", "bogusValue");
});
assertTrue(expected.getMessage().contains("Unknown parameters"));
expected = expectThrows(IllegalArgumentException.class, () -> {
tokenizerFactory("Letter", "bogusArg", "bogusValue");
});
assertTrue(expected.getMessage().contains("Unknown parameters"));
expected = expectThrows(IllegalArgumentException.class, () -> {
tokenizerFactory("LowerCase", "bogusArg", "bogusValue");
});
assertTrue(expected.getMessage().contains("Unknown parameters"));
expected = expectThrows(IllegalArgumentException.class, () -> {
tokenFilterFactory("ASCIIFolding", "bogusArg", "bogusValue");
});
assertTrue(expected.getMessage().contains("Unknown parameters"));
expected = expectThrows(IllegalArgumentException.class, () -> {
tokenFilterFactory("Standard", "bogusArg", "bogusValue");
});
assertTrue(expected.getMessage().contains("Unknown parameters"));
expected = expectThrows(IllegalArgumentException.class, () -> {
tokenFilterFactory("Classic", "bogusArg", "bogusValue");
});
assertTrue(expected.getMessage().contains("Unknown parameters"));
}
}