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/*-
* ============LICENSE_START=======================================================
* ONAP - SO
* ================================================================================
* Copyright (C) 2018 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.mso.openpojo.rules;
import static org.hamcrest.CoreMatchers.anyOf;
import static org.hamcrest.CoreMatchers.anything;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import javax.persistence.Id;
import org.hamcrest.Matcher;
import com.openpojo.business.annotation.BusinessKey;
import com.openpojo.random.RandomFactory;
import com.openpojo.reflection.PojoClass;
import com.openpojo.reflection.PojoField;
import com.openpojo.validation.affirm.Affirm;
import com.openpojo.validation.test.Tester;
import com.openpojo.validation.utils.ValidationHelper;
public class EqualsAndHashCodeTester implements Tester {
private final Matcher m;
public EqualsAndHashCodeTester() {
m = anything();
}
public EqualsAndHashCodeTester(Matcher m) {
this.m = m;
}
@Override
public void run(PojoClass pojoClass) {
Class<?> clazz = pojoClass.getClazz();
if (anyOf(m).matches(clazz)) {
final Object classInstanceOne = ValidationHelper.getBasicInstance(pojoClass);
final Object classInstanceTwo = ValidationHelper.getBasicInstance(pojoClass);
Set<PojoField> identityFields = hasIdOrBusinessKey(pojoClass);
List<PojoField> otherFields = new ArrayList<>(pojoClass.getPojoFields());
otherFields.removeAll(identityFields);
for (PojoField field : identityFields) {
final Object value = RandomFactory.getRandomValue(field);
field.invokeSetter(classInstanceOne, value);
field.invokeSetter(classInstanceTwo, value);
}
for (PojoField field : otherFields) {
if (field.hasSetter()) {
final Object valueOne = RandomFactory.getRandomValue(field);
final Object valueTwo = RandomFactory.getRandomValue(field);
field.invokeSetter(classInstanceOne, valueOne);
field.invokeSetter(classInstanceTwo, valueTwo);
}
}
Affirm.affirmTrue("Equals test failed for [" + classInstanceOne.getClass().getName() + "]", classInstanceOne.equals(classInstanceTwo));
Affirm.affirmTrue("Equals test failed for [" + classInstanceOne.getClass().getName() + "]", classInstanceOne.equals(
classInstanceOne));
Affirm.affirmTrue("HashCode test failed for [" + classInstanceOne.getClass().getName() + "]", classInstanceOne.hashCode() == classInstanceTwo.hashCode());
Affirm.affirmFalse("Expected false for comparison of two unlike objects", classInstanceOne.equals("test"));
}
}
private Set<PojoField> hasIdOrBusinessKey(PojoClass pojoClass) {
final Set<PojoField> fields = new HashSet<>();
fields.addAll(pojoClass.getPojoFieldsAnnotatedWith(BusinessKey.class));
fields.addAll(pojoClass.getPojoFieldsAnnotatedWith(Id.class));
return fields;
}
}
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