/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.apache.camel.converter;
import java.util.Arrays;
import java.util.Collection;
import java.util.HashMap;
import java.util.Hashtable;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Properties;
import java.util.Set;
import junit.framework.TestCase;
import org.apache.camel.util.CaseInsensitiveMap;
/**
* Test cases for {@link CollectionConverter}
*/
@SuppressWarnings("unchecked")
public class CollectionConverterTest extends TestCase {
private static final List<String> SMURFS = Arrays.asList("Papa smurf", "Smurfette", "Hefty smurf", "Jokey smurf");
public void testIteratorToList() throws Exception {
assertSmurfs(CollectionConverter.toArrayList(SMURFS.iterator()));
}
public void testIterableToList() throws Exception {
assertSmurfs(CollectionConverter.toList(new Iterable() {
public Iterator iterator() {
return SMURFS.iterator();
}
}));
// no conversion should occur for the list itself
assertSame(SMURFS, CollectionConverter.toList((Iterable) SMURFS));
}
private void assertSmurfs(Collection<String> result) {
assertEquals(SMURFS.size(), result.size());
for (String key : result) {
assertTrue(SMURFS.contains(key));
}
}
public void testToArray() {
assertEquals(null, CollectionConverter.toArray(null));
Object[] data = CollectionConverter.toArray(SMURFS);
assertEquals(4, data.length);
}
public void testToList() {
List out = CollectionConverter.toList(SMURFS);
assertEquals(4, out.size());
}
public void testToSet() {
Map map = new HashMap();
map.put("foo", "bar");
Set out = CollectionConverter.toSet(map);
assertEquals(1, out.size());
}
public void testToHashMap() {
Map map = new CaseInsensitiveMap();
map.put("foo", "bar");
HashMap out = CollectionConverter.toHashMap(map);
assertEquals(1, out.size());
}
public void testToHashtable() {
Map map = new CaseInsensitiveMap();
map.put("foo", "bar");
Hashtable out = CollectionConverter.toHashtable(map);
assertEquals(1, out.size());
}
public void testToProperties() {
Map map = new HashMap();
map.put("foo", "bar");
Properties prop = CollectionConverter.toProperties(map);
assertNotNull(prop);
assertEquals(1, prop.size());
assertEquals("bar", prop.get("foo"));
}
}