foundation/eclipselink.core.test/src/org/eclipse/persistence/testing/tests/queries/InheritancePrepareTest.java

/*******************************************************************************
 * Copyright (c) 1998, 2013 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.testing.tests.queries;

import java.util.*;
import org.eclipse.persistence.testing.models.employee.domain.*;
import org.eclipse.persistence.expressions.*;
import org.eclipse.persistence.queries.*;
import org.eclipse.persistence.testing.framework.*;

/**
 * BUG#3158703
 * Inheritance queries were not preparing the type select query for subclasses spanning multiple tables.
 * Tests that query generated SQL contain parameter.
 */
public class InheritancePrepareTest extends AutoVerifyTestCase {
    protected ReadAllQuery query;

    public InheritancePrepareTest() {
        setDescription("Tests the inheritance type query is prepare correctly with binding.");
    }

    public void setup() {
        if (getSession().getPlatform().isTimesTen()) {
            throw new TestWarningException("TimesTen does not support TO_NUMBER");
        }
        if (getSession().getPlatform().isDB2()) {
            throw new TestWarningException("The test does not support DB2 (Bug 4563813).");        
        }
    
        query = new ReadAllQuery();
        query.setReferenceClass(Employee.class);
        query.bindAllParameters();
        ExpressionBuilder employee = new ExpressionBuilder();
        query.setSelectionCriteria(employee.get("id").equal(employee.getParameter("id").toNumber()));
        query.addArgument("id");
    }

    public void test() {
        Vector arguments = new Vector(1);
        arguments.add(null);
        List result = (List)getSession().executeQuery(query, arguments);
        result.toString();
        arguments = new Vector(1);
        arguments.add("0");
        result = (List)getSession().executeQuery(query, arguments);
    }

    protected void verify() {
        if (query.getSQLString().indexOf("?") == -1) {
            throw new TestErrorException("SQL not prepared correctly: " + query.getSQLString());
        }
    }
}