/*
* 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 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.item.ItemWriter;
import org.springframework.classify.PatternMatchingClassifier;
import static junit.framework.TestCase.fail;
import static org.junit.Assert.assertEquals;
/**
* @author Dave Syer
* @author Glenn Renfro
*
*/
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>() {
@Override
public void write(List<? extends String> items) throws Exception {
foos.addAll(items);
}
};
ItemWriter<String> defaultWriter = new ItemWriter<String>() {
@Override
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", "one", "two", "three"));
assertEquals("[foo, foo]", foos.toString());
assertEquals("[one, two, three]", defaults.toString());
}
@Test
public void testSetNullClassifier() throws Exception {
try {
ClassifierCompositeItemWriter<String> writer = new ClassifierCompositeItemWriter<>();
writer.setClassifier(null);
fail("A classifier is required.");
}
catch (IllegalArgumentException iae) {
assertEquals("Message returned from exception did not match expected result.", "A classifier is required.",
iae.getMessage());
}
}
}