/*
* Copyright 2008-2011 Grant Ingersoll, Thomas Morton and Drew Farris
*
* Licensed 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.
* -------------------
* To purchase or learn more about Taming Text, by Grant Ingersoll, Thomas Morton and Drew Farris, visit
* http://www.manning.com/ingersoll
*/
package com.tamingtext.util;
import java.io.StringReader;
import java.util.ArrayList;
import java.util.List;
import com.tamingtext.TamingTextTestJ4;
import junit.framework.TestCase;
import org.apache.lucene.analysis.Token;
import org.apache.lucene.analysis.standard.StandardTokenizer;
import org.apache.lucene.analysis.tokenattributes.CharTermAttribute;
import org.apache.lucene.util.Version;
import org.junit.*;
public class StringUtilTest extends TamingTextTestJ4 {
@Test
public void testWhitespace() throws Exception {
String[] gold = {"The", "Carolina", "Hurricanes", "won", "the", "2006", "Stanley", "Cup."};
String[] result = StringUtil.tokenizeWhitespace("The Carolina Hurricanes won the 2006 Stanley Cup.");
assertTrue("result Size: " + result.length + " is not: " + gold.length, result.length == gold.length);
for (int i = 0; i < result.length; i++) {
assertTrue(result[i] + " is not equal to " + gold[i], result[i].equals(gold[i]) == true);
}
}
@Test
public void testLuceneStandardTokenizer() throws Exception {
String[] gold = {"I", "can't", "beleive", "that", "the", "Carolina", "Hurricanes", "won", "the", "2005", "2006", "Stanley", "Cup",};
StandardTokenizer tokenizer = new StandardTokenizer(Version.LUCENE_36, new StringReader("I can't beleive that the Carolina Hurricanes won the 2005-2006 Stanley Cup."));
List<String> result = new ArrayList<String>();
while (tokenizer.incrementToken()) {
result.add(((CharTermAttribute) tokenizer.getAttribute(CharTermAttribute.class)).toString());
}
assertTrue("result Size: " + result.size() + " is not: " + gold.length, result.size() == gold.length);
int i = 0;
for (String chunk : result) {
assertTrue(chunk + " is not equal to " + gold[i], chunk.equals(gold[i]) == true);
i++;
}
}
@Test
public void testVikings() throws Exception {
String[] gold = {"Last", "week", "the", "National", "Football", "League", "crowned", "a", "new", "Super", "Bowl", "Champion",
"Minnesota", "Vikings", "fans", "will", "take", "little", "solace", "in", "the", "fact", "that", "they",
"lost", "to", "the", "eventual", "champion", "in", "the", "playoffs"};
StandardTokenizer tokenizer = new StandardTokenizer(Version.LUCENE_36, new StringReader("Last week the National Football League crowned a new Super Bowl Champion." +
" Minnesota Vikings fans will take little solace in the fact that they" +
" lost to the eventual champion in the playoffs."));
List<String> result = new ArrayList<String>();
while (tokenizer.incrementToken()) {
result.add(((CharTermAttribute) tokenizer.getAttribute(CharTermAttribute.class)).toString());
}
assertTrue("result Size: " + result.size() + " is not: " + gold.length, result.size() == gold.length);
int i = 0;
for (String chunk : result) {
System.out.println(chunk);
assertTrue(chunk + " is not equal to " + gold[i], chunk.equals(gold[i]) == true);
i++;
}
}
}