jpa/org.eclipse.persistence.jpa.jpql/src/test/java/org/eclipse/persistence/jpa/tests/jpql/parser/EclipseLinkJPQLParserTests2_5.java

/*
 * Copyright (c) 2012, 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
//
package org.eclipse.persistence.jpa.tests.jpql.parser;

import org.junit.Test;
import static org.eclipse.persistence.jpa.tests.jpql.EclipseLinkJPQLQueries2_5.*;
import static org.eclipse.persistence.jpa.tests.jpql.parser.JPQLParserTester.*;

/**
 * This test suite contains a series of unit-tests that test parsing JPQL queries that follows the
 * JPQL grammar defined in JPA 2.1 and the additional support provider by EclipseLink version 2.5.
 *
 * @version 2.5
 * @since 2.5
 * @author Pascal Filion
 */
@SuppressWarnings("nls")
public final class EclipseLinkJPQLParserTests2_5 extends JPQLParserTest {

    private JPQLQueryStringFormatter buildQueryFormatter_1() {
        return new JPQLQueryStringFormatter() {
            @Override
            public String format(String query) {
                return query.replace(" TIMESTAMP", " timestamp");
            }
        };
    }

    private JPQLQueryStringFormatter buildQueryFormatter_2() {
        return new JPQLQueryStringFormatter() {
            @Override
            public String format(String query) {
                return query.replace("SCN", "scn");
            }
        };
    }

    @Test
    public void test_HQL_Query_001() {

        String jpqlQuery = "FROM Employee e";

        ExpressionTester selectStatement = selectStatement(
            from("Employee", "e")
        );

        testQuery(jpqlQuery, selectStatement);
    }

    @Test
    public void test_HQL_Query_002() {

        String jpqlQuery = "FROM Employee e WHERE e.name = 'JPQL'";

        ExpressionTester selectStatement = selectStatement(
            from("Employee", "e"),
            where(path("e.name").equal(string("'JPQL'")))
        );

        testQuery(jpqlQuery, selectStatement);
    }

    @Test
    public void test_Query_006() {

        // UPDATE DateTime SET timestamp = CURRENT_TIMESTAMP

        ExpressionTester updateStatement = updateStatement(
            update("DateTime", set("{datetime}.timestamp", CURRENT_TIMESTAMP()))
        );

        testQuery(query_006(), updateStatement, buildQueryFormatter_1());
    }

    @Test
    public void test_Query_007() {

        // UPDATE DateTime SET scn = CURRENT_TIMESTAMP

        ExpressionTester updateStatement = updateStatement(
            update("DateTime", set("{datetime}.scn", CURRENT_TIMESTAMP()))
        );

        testQuery(query_007(), updateStatement, buildQueryFormatter_2());
    }
}