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/*
* Copyright © 2016-2018 European Support Limited
*
* 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.
*
* Modifications Copyright (c) 2019 Samsung
*
*/
package org.onap.config;
import static java.util.stream.Collectors.toList;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.assertFalse;
import java.lang.reflect.Array;
import java.lang.reflect.Field;
import java.util.ArrayDeque;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Deque;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Queue;
import java.util.Set;
import java.util.SortedSet;
import java.util.TreeSet;
import java.util.concurrent.BlockingQueue;
import java.util.concurrent.ConcurrentLinkedQueue;
import java.util.concurrent.LinkedBlockingQueue;
import java.util.concurrent.LinkedTransferQueue;
import java.util.concurrent.TransferQueue;
import java.util.stream.Collectors;
import java.util.stream.IntStream;
import java.util.stream.Stream;
import org.junit.Test;
public class ConfigurationUtilsTest {
@Test
public void testCommaList() {
List<?> list = Arrays.asList("1", "2", 3);
String commaSeparatedList = ConfigurationUtils.getCommaSeparatedList(list);
list.forEach(o -> assertTrue(commaSeparatedList.contains(o.toString())));
}
@Test
public void testCommaListWithNullAndEmptyStrings() {
List list = Arrays.asList(null, "", " ");
String commaSeparatedList = ConfigurationUtils.getCommaSeparatedList(list);
assertTrue(commaSeparatedList.isEmpty());
}
@Test
public void testGetArrayClassFunction() {
assertEquals(String[].class, ConfigurationUtils.getArrayClass(String.class));
assertNull(ConfigurationUtils.getArrayClass(ConfigurationUtilsTest.class));
}
@Test
public void testGetCollectionGenericType() throws NoSuchFieldException {
class DummyClass {
public Map<String, String> testParameterizedTypeField;
}
Field field = DummyClass.class.getField("testParameterizedTypeField");
assertEquals(String.class, ConfigurationUtils.getCollectionGenericType(field));
}
@Test
public void testCastingArray() {
int arraySize = 2;
final Class[] primitiveType = new Class[]{boolean.class, byte.class,
double.class, float.class, int.class, long.class, short.class};
for (Class clazz: primitiveType) {
Class expectedResultClass = Array.newInstance(clazz, 0).getClass();
List defaultCollection = IntStream.range(0, arraySize).mapToObj(i ->
ConfigurationUtils.getDefaultFor(clazz)).collect(toList());
Object resultArray = ConfigurationUtils.getPrimitiveArray(defaultCollection, clazz);
assertNotNull(resultArray);
assertFalse(ConfigurationUtils.isZeroLengthArray(expectedResultClass, resultArray));
assertNotNull(expectedResultClass.cast(resultArray));
}
}
@Test(expected = IllegalArgumentException.class)
public void testGetCompatibleCollection() {
final Map<Class, Class> testClasses = Stream.of(new Class[][] {
{BlockingQueue.class, LinkedBlockingQueue.class},
{TransferQueue.class, LinkedTransferQueue.class},
{Deque.class, ArrayDeque.class},
{Queue.class, ConcurrentLinkedQueue.class},
{SortedSet.class, TreeSet.class},
{Set.class, HashSet.class},
{List.class, ArrayList.class}
}).collect(Collectors.toMap(data -> data[0], data -> data[1]));
testClasses.forEach((entryClass, expResultClass) -> {
Class resultClass = ConfigurationUtils.getCompatibleCollectionForAbstractDef(entryClass).getClass();
assertEquals(expResultClass, resultClass);
}
);
ConfigurationUtils.getCompatibleCollectionForAbstractDef(Collection.class);
}
}
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