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

/*
 * Copyright (c) 2006, 2020 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.parser.JPQLParserTester.*;

@SuppressWarnings("nls")
public final class DateTimeTest extends JPQLParserTest {

    @Test
    public void test_JPQLQuery_01() {

        String query = "SELECT e FROM Employee e WHERE e.startDate < CURRENT_DATE";

        ExpressionTester selectStatement = selectStatement(
            select(variable("e")),
            from("Employee", "e"),
            where(path("e.startDate").lowerThan(CURRENT_DATE()))
        );

        testQuery(query, selectStatement);
    }

    @Test
    public void test_JPQLQuery_02() {

        String query = "SELECT e FROM Employee e WHERE CURRENT_TIME > e.startDate";

        ExpressionTester selectStatement = selectStatement(
            select(variable("e")),
            from("Employee", "e"),
            where(CURRENT_TIME().greaterThan(path("e.startDate")))
        );

        testQuery(query, selectStatement);
    }

    @Test
    public void test_JPQLQuery_03() {

        String query = "SELECT e FROM Employee e WHERE e.startDate + 45 = CURRENT_TIMESTAMP";

        ExpressionTester selectStatement = selectStatement(
            select(variable("e")),
            from("Employee", "e"),
            where(path("e.startDate").add(numeric(45)).equal(CURRENT_TIMESTAMP()))
        );

        testQuery(query, selectStatement);
    }

    @Test
    public void test_JPQLQuery_04() {

        String query = "SELECT e " +
                       "FROM Employee e " +
                       "WHERE e = p.employee AND " +
                       "      CURRENT_TIMESTAMP = e.startDate";

        ExpressionTester selectStatement = selectStatement(
            select(variable("e")),
            from("Employee", "e"),
            where(
                    variable("e").equal(path("p.employee"))
                .and(
                    CURRENT_TIMESTAMP().equal(path("e.startDate"))
                )
            )
        );

        testQuery(query, selectStatement);
    }

    @Test
    public void test_JPQLQuery_05() {

        String query = "SELECT o " +
                       "FROM Customer c JOIN c.orders o " +
                       "WHERE c.name = 'Smith' AND " +
                       "      o.submissionDate < {d '2008-12-31'}";

        ExpressionTester selectStatement = selectStatement(
            select(variable("o")),
            from("Customer", "c", join("c.orders", "o")),
            where(
                    path("c.name").equal(string("'Smith'"))
                .and(
                    path("o.submissionDate").lowerThan(dateTime("{d '2008-12-31'}"))
                )
            )
        );

        testQuery(query, selectStatement);
    }
}