/*
 * Copyright 2006-2007 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.support;

import static org.junit.Assert.assertEquals;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import org.junit.Test;
import org.springframework.batch.classify.PatternMatchingClassifier;
import org.springframework.batch.item.ItemWriter;

/**
 * @author Dave Syer
 *
 */
public class ClassifierCompositeItemWriterTests {
	
	private ClassifierCompositeItemWriter<String> writer = new ClassifierCompositeItemWriter<String>();
	private List<String> defaults = new ArrayList<String>();
	private List<String> foos = new ArrayList<String>();

	@Test
	public void testWrite() throws Exception {
		Map<String, ItemWriter<? super String>> map = new HashMap<String, ItemWriter<? super String>>();
		ItemWriter<String> fooWriter = new ItemWriter<String>() {
			public void write(List<? extends String> items) throws Exception {
				foos.addAll(items);
			}
		};
		ItemWriter<String> defaultWriter = new ItemWriter<String>() {
			public void write(List<? extends String> items) throws Exception {
				defaults.addAll(items);
			}
		};
		map.put("foo", fooWriter );
		map.put("*", defaultWriter);
		writer.setClassifier(new PatternMatchingClassifier<ItemWriter<? super String>>(map));
		writer.write(Arrays.asList("foo", "foo", "bar"));
		assertEquals("[foo, foo]", foos.toString());
		assertEquals("[bar]", defaults.toString());
	}

}
