MWRelationalDirectMapMappingTests.java

/*******************************************************************************
 * 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.mapping;

import junit.framework.Test;
import junit.framework.TestSuite;

import org.eclipse.persistence.indirection.ValueHolderInterface;
import org.eclipse.persistence.tools.workbench.mappingsmodel.ProblemConstants;
import org.eclipse.persistence.tools.workbench.mappingsmodel.db.MWColumn;
import org.eclipse.persistence.tools.workbench.mappingsmodel.db.MWTable;
import org.eclipse.persistence.tools.workbench.mappingsmodel.mapping.relational.MWManyToManyMapping;
import org.eclipse.persistence.tools.workbench.mappingsmodel.mapping.relational.MWRelationalDirectCollectionMapping;
import org.eclipse.persistence.tools.workbench.mappingsmodel.mapping.relational.MWRelationalDirectMapMapping;
import org.eclipse.persistence.tools.workbench.test.mappingsmodel.ModelProblemsTestCase;
import org.eclipse.persistence.tools.workbench.test.models.projects.CrimeSceneProject;
import org.eclipse.persistence.tools.workbench.test.models.projects.EmployeeProject;


public class MWRelationalDirectMapMappingTests extends ModelProblemsTestCase {

    public MWRelationalDirectMapMappingTests(String name) {
        super(name);
    }

    public static Test suite() {
        return new TestSuite(MWRelationalDirectMapMappingTests.class);
    }

    public void testDirectKeyAndValueFieldSetToNull() {
        EmployeeProject employeeProject = new EmployeeProject();
        MWRelationalDirectMapMapping mapping = (MWRelationalDirectMapMapping) employeeProject.getEmployeeDescriptor().mappingNamed("emailAddressMap");

        MWTable emailAddressTable = employeeProject.database().tableNamed("EMAIL_ADDRESS");
        MWColumn keyField = mapping.getDirectKeyColumn();
        MWColumn valueField = mapping.getDirectValueColumn();
        emailAddressTable.removeColumn(keyField);
        emailAddressTable.removeColumn(valueField);

        assertNull("Direct Key Field should have been set to null when database field was removed", mapping.getDirectKeyColumn());
        assertNull("Direct Value Field should have been set to null when database field was removed", mapping.getDirectValueColumn());
    }

    public void testDirectKeyFieldSetNullWhenTableDeleted() {
        EmployeeProject employeeProject = new EmployeeProject();
        MWRelationalDirectMapMapping mapping = (MWRelationalDirectMapMapping) employeeProject.getEmployeeDescriptor().mappingNamed("emailAddressMap");

        MWTable emailAddressTable = employeeProject.database().tableNamed("EMAIL_ADDRESS");
        employeeProject.database().removeTable(emailAddressTable);
        assertNull("Direct Key Field should have been set to null when table was removed", mapping.getDirectKeyColumn());
        assertNull("Direct Value Field should have been set to null when table was removed", mapping.getDirectValueColumn());
        assertNull("Target table should have been set to null when table was removed", mapping.getTargetTable());

    }


    public void testDirectKeyFieldSpecifiedProblem() {
        String errorName = ProblemConstants.MAPPING_DIRECT_KEY_FIELD_NOT_SPECIFIED;

        EmployeeProject employeeProject = new EmployeeProject();
        MWRelationalDirectMapMapping mapping = (MWRelationalDirectMapMapping) employeeProject.getEmployeeDescriptor().mappingNamed("emailAddressMap");


        assertFalse(hasProblem(errorName, mapping));

        MWColumn field = mapping.getDirectKeyColumn();
        mapping.setDirectKeyColumn(null);
        assertTrue("Direct Key field is null -- should have problem", hasProblem( errorName, mapping ) );

        mapping.setDirectKeyColumn(field);
    }

    public void testReferenceNullProblem() {
        String problem = ProblemConstants.MAPPING_TABLE_REFERENCE_NOT_SPECIFIED;

        CrimeSceneProject csp = new CrimeSceneProject();
        MWRelationalDirectCollectionMapping mapping = csp.getKeywordsMappingInCrimeScene();

        assertTrue("The descriptor should not have the problem: " + problem, !hasProblem(problem, mapping));

        mapping.setReference(null);

        assertTrue("The descriptor should have the problem: " + problem, hasProblem(problem, mapping));

    }
    public void testReferenceValidProblem() {
        String problem = ProblemConstants.MAPPING_TABLE_REFERENCE_INVALID;

        EmployeeProject csp = new EmployeeProject();
        MWRelationalDirectCollectionMapping mapping = (MWRelationalDirectCollectionMapping)csp.getEmployeeDescriptor().mappingNamed("responsibilitiesList");

        assertFalse("The descriptor should not have the problem: " + problem, hasProblem(problem, mapping));

        MWManyToManyMapping empMapping = (MWManyToManyMapping)csp.getEmployeeDescriptor().mappingNamed("projects");
        mapping.setReference(empMapping.getReference());

        assertTrue("The descriptor should have the problem: " + problem, hasProblem(problem, mapping));

    }

    public void testMappingAndVariableDontUseIndirectionProblem() {
        String errorName = ProblemConstants.MAPPING_VALUE_HOLDER_ATTRIBUTE_WITHOUT_VALUE_HOLDER_INDIRECTION;

        checkMappingsForFalseFailures(errorName, MWRelationalDirectCollectionMapping.class);

        CrimeSceneProject csp = new CrimeSceneProject();
        MWRelationalDirectCollectionMapping mapping = csp.getKeywordsMappingInCrimeScene();

        mapping.setUseNoIndirection();
        mapping.getInstanceVariable().setType(csp.getProject().typeFor(ValueHolderInterface.class));

        assertTrue("The descriptor should have the problem: " + errorName, hasProblem(errorName, mapping));

        mapping.setUseTransparentIndirection();

        assertTrue("The descriptor should have the problem: " + errorName, hasProblem(errorName, mapping));

    }
    public void testMappingAndVariableUseIndirectionProblem() {
        String errorName = ProblemConstants.MAPPING_VALUE_HOLDER_INDIRECTION_WITHOUT_VALUE_HOLDER_ATTRIBUTE;

        checkMappingsForFalseFailures( errorName, MWRelationalDirectCollectionMapping.class );

        CrimeSceneProject csp = new CrimeSceneProject();
        MWRelationalDirectCollectionMapping mapping = csp.getKeywordsMappingInCrimeScene();

        mapping.setUseValueHolderIndirection();

        assertTrue("The descriptor should have the problem: " + errorName, hasProblem(errorName, mapping));
    }

}