/*
* 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.file.transform;
import static org.junit.Assert.assertTrue;
import java.util.Arrays;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import org.junit.Test;
/**
* @author Dan Garrette
* @since 2.0
*/
public class PassThroughFieldExtractorTests {
@Test
public void testExtractString() {
PassThroughFieldExtractor<String> extractor = new PassThroughFieldExtractor<String>();
Object[] result = extractor.extract("abc");
assertTrue(Arrays.equals(new Object[] { "abc" }, result));
}
@Test
public void testExtractArray() {
PassThroughFieldExtractor<String[]> extractor = new PassThroughFieldExtractor<String[]>();
Object[] result = extractor.extract(new String[] { "a", "b", null, "d" });
assertTrue(Arrays.equals(new Object[] { "a", "b", null, "d" }, result));
}
@Test
public void testExtractFieldSet() {
PassThroughFieldExtractor<FieldSet> extractor = new PassThroughFieldExtractor<FieldSet>();
Object[] result = extractor.extract(new DefaultFieldSet(new String[] { "a", "b", "", "d" }));
assertTrue(Arrays.equals(new Object[] { "a", "b", "", "d" }, result));
}
@Test
public void testExtractCollection() {
PassThroughFieldExtractor<List<String>> extractor = new PassThroughFieldExtractor<List<String>>();
Object[] result = extractor.extract(Arrays.asList("a", "b", null, "d"));
assertTrue(Arrays.equals(new Object[] { "a", "b", null, "d" }, result));
}
@Test
public void testExtractMap() {
PassThroughFieldExtractor<Map<String, String>> extractor = new PassThroughFieldExtractor<Map<String, String>>();
Map<String, String> map = new LinkedHashMap<String, String>();
map.put("A", "a");
map.put("B", "b");
map.put("C", null);
map.put("D", "d");
Object[] result = extractor.extract(map);
assertTrue(Arrays.equals(new Object[] { "a", "b", null, "d" }, result));
}
}