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/*-
* ============LICENSE_START=======================================================
* SDC
* ================================================================================
* Copyright (C) 2019 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* 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.
* ============LICENSE_END=========================================================
*/
package org.openecomp.sdc.be.dao.utils;
import org.apache.tinkerpop.gremlin.structure.T;
import org.junit.jupiter.api.Test;
import java.util.List;
import java.util.LinkedList;
import java.util.Map;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Set;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertNull;
public class CollectionUtilsTest {
@Test
public void testMerge() throws Exception {
Set<T> source = new HashSet<>();
Set<T> target = new HashSet<>();
assertNull(CollectionUtils.merge(source, target));
T t = null;
source.add(t);
assertNotNull(CollectionUtils.merge(source, target));
}
@Test
public void testMerge_1() throws Exception {
Map<String, String> source = new HashMap();
Map<String, String> target = new HashMap();
source.put("key", "value");
target.put("key", "value2");
assertEquals("value2", CollectionUtils.merge(source, target, false).get("key"));
assertEquals("value", CollectionUtils.merge(source, target, true).get("key"));
}
@Test
public void testMerge_2() throws Exception {
List<String> source = null;
List<String> target = null;
assertEquals(0, CollectionUtils.merge(source, target).size());
source = new LinkedList<>();
target = new LinkedList<>();
assertEquals(0, CollectionUtils.merge(source, target).size());
source.add("test1");
target.add("test2");
assertEquals("test2", CollectionUtils.merge(source, target).get(0));
assertEquals("test1", CollectionUtils.merge(source, target).get(1));
}
@Test
public void testUnion() throws Exception {
List<String> source = new LinkedList<>();
List<String> target = new LinkedList<>();
source.add("test1");
target.add("test2");
assertEquals("test1", CollectionUtils.union(source, target).get(0));
assertEquals("test2", CollectionUtils.union(source, target).get(1));
}
}
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