CommonLineTokenizerTests.java example

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spring-batch-master
/*
 * Copyright 2008-2012 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 junit.framework.TestCase;

/**
 * Tests for {@link AbstractLineTokenizer}.
 * 
 * @author Robert Kasanicky
 * @author Dave Syer
 */
public class CommonLineTokenizerTests extends TestCase {
	
	/**
	 * Columns names are considered to be specified if they are not <code>null</code> or empty.
	 */
	public void testHasNames() {
		AbstractLineTokenizer tokenizer = new AbstractLineTokenizer() {
		    @Override
			protected List<String> doTokenize(String line) {
				return null;
			}
		};
		
		assertFalse(tokenizer.hasNames());
		
		tokenizer.setNames(null);
		assertFalse(tokenizer.hasNames());
		
		tokenizer.setNames(new String[0]);
		assertFalse(tokenizer.hasNames());
		
		tokenizer.setNames(new String[]{"name1", "name2"});
		assertTrue(tokenizer.hasNames());
	}
	
}