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/**
* ============LICENSE_START=======================================================
* Model Loader
* ================================================================================
* Copyright © 2017 AT&T Intellectual Property.
* Copyright © 2017 Amdocs
* 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=========================================================
*
* ECOMP and OpenECOMP are trademarks
* and service marks of AT&T Intellectual Property.
*/
package org.openecomp.modelloader.entity.model;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import org.junit.Test;
import org.openecomp.modelloader.entity.Artifact;
public class ModelSorterTest {
@Test
public void noModels() {
List<Artifact> emptyList = Collections.emptyList();
ModelSorter sorter = new ModelSorter();
sorter = new ModelSorter();
List<Artifact> sortedList = sorter.sort(emptyList);
assertNotNull(sortedList);
assertEquals(0, sortedList.size());
}
@Test
public void singleModel() {
List<Artifact> modelList = new ArrayList<Artifact>();
ModelArtifact model = new ModelArtifact();
model.setNameVersionId("aaaaa");
model.addDependentModelId("xyz");
modelList.add(model);
ModelSorter sorter = new ModelSorter();
sorter = new ModelSorter();
List<Artifact> sortedList = sorter.sort(modelList);
assertNotNull(sortedList);
assertEquals(1, sortedList.size());
}
/**
*
* depends on depends on B ------> A -------> C
*
*
* Input list = a, b, c Sorted list = c, a, b
*
*/
@Test
public void multipleModels() {
List<Artifact> modelList = new ArrayList<Artifact>();
ModelArtifact aaaa = new ModelArtifact();
aaaa.setModelInvariantId("aaaa");
aaaa.setModelVerId("mvaaaa");
aaaa.addDependentModelId("cccc|mvcccc");
ModelArtifact bbbb = new ModelArtifact();
bbbb.setModelInvariantId("bbbb");
bbbb.setModelVerId("mvbbbb");
bbbb.addDependentModelId("aaaa|mvaaaa");
ModelArtifact cccc = new ModelArtifact();
cccc.setModelInvariantId("cccc");
cccc.setModelVerId("mvcccc");
modelList.add(aaaa);
modelList.add(bbbb);
modelList.add(cccc);
ModelSorter sorter = new ModelSorter();
sorter = new ModelSorter();
List<Artifact> sortedList = sorter.sort(modelList);
assertNotNull(sortedList);
assertEquals(3, sortedList.size());
assertEquals(cccc, sortedList.get(0));
assertEquals(aaaa, sortedList.get(1));
assertEquals(bbbb, sortedList.get(2));
}
@Test(expected = RuntimeException.class)
public void circularDependency() {
List<Artifact> modelList = new ArrayList<Artifact>();
ModelArtifact aaaa = new ModelArtifact();
aaaa.setNameVersionId("aaaa");
aaaa.addDependentModelId("bbbb");
ModelArtifact bbbb = new ModelArtifact();
bbbb.setNameVersionId("bbbb");
bbbb.addDependentModelId("aaaa");
modelList.add(aaaa);
modelList.add(bbbb);
ModelSorter sorter = new ModelSorter();
sorter = new ModelSorter();
List<Artifact> sortedList = sorter.sort(modelList);
assertNotNull(sortedList);
assertEquals(2, sortedList.size());
}
}
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