foundation/eclipselink.core.test/src/it/java/org/eclipse/persistence/testing/tests/workbenchintegration/TypeConversionConverterDataClassIsArrayTest.java

/*
 * Copyright (c) 1998, 2021 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 v. 2.0 which is available at
 * http://www.eclipse.org/legal/epl-2.0,
 * or the Eclipse Distribution License v. 1.0 which is available at
 * http://www.eclipse.org/org/documents/edl-v10.php.
 *
 * SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause
 */

// Contributors:
//     Oracle - initial API and implementation from Oracle TopLink
package org.eclipse.persistence.testing.tests.workbenchintegration;

import org.eclipse.persistence.mappings.*;
import org.eclipse.persistence.descriptors.*;
import org.eclipse.persistence.mappings.converters.*;

/**
 * Bug 5170735 - PROJECTCLASSGENERATOR GENERATES NON-COMPILING CODE FOR TYPECONVERSIONCONVERTER
 * Test setting the DataClass for a TypeConversionConverter produces correct code
 * when the DataClass is of type array.
 * <p>Incorrectly generated code: [B.class
 * <br>Correct code: byte[].class
 */
public class TypeConversionConverterDataClassIsArrayTest extends ProjectClassGeneratorResultFileTest {

    protected ClassDescriptor descriptor;
    protected DirectToFieldMapping mapping;
    protected Class<?> classType;

    public TypeConversionConverterDataClassIsArrayTest(Class<?> classType) {
        super(new org.eclipse.persistence.testing.models.employee.relational.EmployeeProject());
        setDescription("Test addTypeConversionConverterLines method -> setDataClassName() generates legal array code");
        setName(getName() + "[" + classType.getName() + "]");
        // should validate to prevent improper test usage
        if (!classType.isArray()) {
            throwError("ClassType must be an array type: " + classType);
        }
        this.classType = classType;
        String expectedName = classType.getComponentType().getName();
        this.testString = "someDataMappingConverter.setDataClass(" + expectedName + "[].class);";
    }

    @Override
    public void setup() {
        getSession().getIdentityMapAccessor().initializeAllIdentityMaps();
        descriptor = project.getDescriptors().get(org.eclipse.persistence.testing.models.employee.domain.Employee.class);

        mapping = new DirectToFieldMapping();
        mapping.setAttributeName("someData");
        mapping.setFieldName("SOME_TABLE.SOME_DATA");

        TypeConversionConverter someConverter = new TypeConversionConverter();
        // MW only sets dataClassName, this is translated to dataClass when written to the project java file
        someConverter.setDataClassName(classType.getName());
        mapping.setConverter(someConverter);
        descriptor.addMapping(mapping);
    }

    @Override
    public void reset() {
        if (descriptor != null) {
            descriptor.getMappings().remove(mapping);
            mapping.setDescriptor(null);
        }
        super.reset();
    }

}