/*
* Copyright 2006-2012 the original author or authors.
*
* 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.
*/
package org.springframework.batch.item.file.transform;
import java.util.List;
import org.junit.Test;
import static org.junit.Assert.*;
public class RegexLineTokenizerTests {
private RegexLineTokenizer tokenizer = new RegexLineTokenizer();
@Test
public void testCapturingGroups() {
String line = "Liverpool, England: 53d 25m 0s N 3d 0m 0s";
tokenizer.setRegex("([a-zA-Z]+), ([a-zA-Z]+): ([0-9]+). ([0-9]+). ([0-9]+). ([A-Z]) ([0-9]+). ([0-9]+). ([0-9]+).");
List<String> tokens = tokenizer.doTokenize(line);
assertEquals(9, tokens.size());
assertEquals("England", tokens.get(1));
assertEquals("3", tokens.get(6));
}
@Test
public void testNonCapturingGroups() {
String line = "Graham James Edward Miller";
tokenizer.setRegex("(.*?)(?: .*)* (.*)");
List<String> tokens = tokenizer.doTokenize(line);
assertEquals(2, tokens.size());
assertEquals("Graham", tokens.get(0));
assertEquals("Miller", tokens.get(1));
}
@Test
public void testNoMatch() {
tokenizer.setRegex("([0-9]+).");
List<String> tokens = tokenizer.doTokenize("noNumber");
assertEquals(0, tokens.size());
}
}