/*******************************************************************************
* Copyright (c) 1998, 2015 Oracle and/or its affiliates. All rights reserved.
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0 and Eclipse Distribution License v. 1.0
* which accompanies this distribution.
* The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
* and the Eclipse Distribution License is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* Contributors:
* Oracle - initial API and implementation from Oracle TopLink
******************************************************************************/
package org.eclipse.persistence.tools.workbench.test.mappingsmodel.descriptor;
import junit.framework.Test;
import junit.framework.TestSuite;
import org.eclipse.persistence.tools.workbench.mappingsmodel.ProblemConstants;
import org.eclipse.persistence.tools.workbench.mappingsmodel.descriptor.MWDescriptor;
import org.eclipse.persistence.tools.workbench.mappingsmodel.descriptor.MWMappingDescriptor;
import org.eclipse.persistence.tools.workbench.mappingsmodel.descriptor.relational.MWAggregateDescriptor;
import org.eclipse.persistence.tools.workbench.mappingsmodel.descriptor.relational.MWRelationalClassDescriptor;
import org.eclipse.persistence.tools.workbench.mappingsmodel.descriptor.relational.MWRelationalClassIndicatorFieldPolicy;
import org.eclipse.persistence.tools.workbench.mappingsmodel.descriptor.relational.MWRelationalDescriptor;
import org.eclipse.persistence.tools.workbench.mappingsmodel.descriptor.relational.MWTableDescriptor;
import org.eclipse.persistence.tools.workbench.mappingsmodel.descriptor.relational.MWUserDefinedQueryKey;
import org.eclipse.persistence.tools.workbench.mappingsmodel.handles.MWDescriptorHandle;
import org.eclipse.persistence.tools.workbench.mappingsmodel.mapping.relational.MWAggregateMapping;
import org.eclipse.persistence.tools.workbench.mappingsmodel.mapping.relational.MWDirectToFieldMapping;
import org.eclipse.persistence.tools.workbench.mappingsmodel.mapping.relational.MWOneToOneMapping;
import org.eclipse.persistence.tools.workbench.mappingsmodel.meta.MWClassAttribute;
import org.eclipse.persistence.tools.workbench.test.mappingsmodel.ModelProblemsTestCase;
import org.eclipse.persistence.tools.workbench.test.models.projects.ComplexAggregateProject;
import org.eclipse.persistence.tools.workbench.test.models.projects.CrimeSceneProject;
import org.eclipse.persistence.tools.workbench.test.models.projects.EmployeeProject;
import org.eclipse.persistence.tools.workbench.test.models.projects.PhoneCompanyProject;
import org.eclipse.persistence.tools.workbench.utility.ClassTools;
public class MWAggregateDescriptorTests extends ModelProblemsTestCase {
public static Test suite() {
return new TestSuite(MWAggregateDescriptorTests.class);
}
public MWAggregateDescriptorTests(String name) {
super(name);
}
public void testIsAggregateDescriptor() {
CrimeSceneProject csp = new CrimeSceneProject();
assertTrue("Address descriptor should have been an aggregate.", csp.getAddressDescriptor().isAggregateDescriptor());
}
public void testIfAggregateThenNoOtherReferencesProblem() {
// If the descriptor is an aggregate then other classes
// cannot reference the aggregate with one-to-one,
// one-to-many, or many-to-many mappings.
checkAggregateDescriptorsForFalseFailures(ProblemConstants.DESCRIPTOR_CLASSES_REFERENCE_AN_AGGREGATE_TARGET);
CrimeSceneProject csp = new CrimeSceneProject();
MWDescriptor addDesc = csp.getAddressDescriptor();
MWTableDescriptor csDesc = csp.getCrimeSceneDescriptor();
MWAggregateMapping addressMapping = csp.getAddressMappingInCrimeScene();
MWOneToOneMapping address1to1mapping = addressMapping.asMWOneToOneMapping();
try {
MWDescriptorHandle refDescHandle = (MWDescriptorHandle) ClassTools.attemptToGetFieldValue(address1to1mapping, "referenceDescriptorHandle");
refDescHandle.setDescriptor(addDesc);
} catch (NoSuchFieldException exception) {
//no need to do anything, if this doesn't work the test should fail.
}
csDesc.replaceMapping(addressMapping, address1to1mapping);
assertTrue("Address descriptor should have a problem.", hasProblem(ProblemConstants.DESCRIPTOR_CLASSES_REFERENCE_AN_AGGREGATE_TARGET, addDesc));
csDesc.replaceMapping(address1to1mapping, addressMapping);
}
public void testIfSharedAggregateThenNoBackReferencesProblem() {
// If the descriptor is an aggregate that is shared by
// multiple source descriptors then it can't have
// a mapping that has a target object that references it.
// This means no one-to-many or many-to-many mappings and
// no one-to-one mappings where the target has a
// pointer to the aggregate.
ComplexAggregateProject cap = new ComplexAggregateProject();
MWAggregateDescriptor desc = cap.getAddressDescriptionDescriptor();
MWClassAttribute testAttribute = desc.getMWClass().addAttribute("testAttribute");
assertTrue("Address description descriptor should not have problem.", !hasProblem(ProblemConstants.DESCRIPTOR_SHARED_AGGREGATE_HAS_1_TO_M_OR_M_TO_M_MAPPINGS, desc));
desc.addOneToManyMapping(testAttribute);
assertTrue("Address description descriptor should have a problem.", hasProblem(ProblemConstants.DESCRIPTOR_SHARED_AGGREGATE_HAS_1_TO_M_OR_M_TO_M_MAPPINGS, desc));
}
public void testMorphToAggregateNullsClassIndicatorField() {
EmployeeProject project = new EmployeeProject();
MWRelationalClassDescriptor projectDescriptor = project.getProjectDescriptor();
assertTrue("Class indicator field should be set on Project descriptor", ((MWRelationalClassIndicatorFieldPolicy) projectDescriptor.getInheritancePolicy().getClassIndicatorPolicy()).getField() != null);
MWAggregateDescriptor aggregateDescriptor = projectDescriptor.asMWAggregateDescriptor();
assertTrue("Class indicator should be null when descriptor morphed to aggregate", ((MWRelationalClassIndicatorFieldPolicy) aggregateDescriptor.getInheritancePolicy().getClassIndicatorPolicy()).getField() == null);
}
public void testMorphToAggregateNullsDirectMappingField() {
EmployeeProject project = new EmployeeProject();
MWRelationalDescriptor employeeDescriptor = project.getEmployeeDescriptor();
MWDirectToFieldMapping mapping = (MWDirectToFieldMapping) ((MWMappingDescriptor) employeeDescriptor).mappingNamed("firstName");
assertTrue("Field should be set on firstName mapping", mapping.getColumn() != null);
employeeDescriptor.asMWAggregateDescriptor();
assertTrue("Field should be null on firstName mapping when descriptor morphed to aggregate", mapping.getColumn() == null);
}
public void testMorphToAggregateNullsQueryKeyFields() {
PhoneCompanyProject project = new PhoneCompanyProject(false);
MWTableDescriptor personDescriptor = project.getEmailAddressDescriptor();
MWUserDefinedQueryKey queryKey = (MWUserDefinedQueryKey) personDescriptor.queryKeyNamed("email");
assertTrue("Field should be set on email query key", queryKey.getColumn() != null);
personDescriptor.asMWAggregateDescriptor();
assertTrue("Field should be null on email query key when descriptor morphed to aggregate", queryKey.getColumn() == null);
}
}