jpa/org.eclipse.persistence.jpa.jpql/src/test/java/org/eclipse/persistence/jpa/tests/jpql/parser/BetweenExpressionTest.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.*;

/**
 * Unit-tests for {@link org.eclipse.persistence.jpa.jpql.parser.BetweenExpression BetweenExpression}.
 *
 * @version 2.5
 * @since 2.3
 * @author Pascal Filion
 */
@SuppressWarnings("nls")
public final class BetweenExpressionTest extends JPQLParserTest {

    @Test
    public void test_JPQLQuery_01() {
        String jpqlQuery = "SELECT e FROM Employee e WHERE e.age BETWEEN 20 AND 40";

        ExpressionTester selectStatement = selectStatement(
            select(variable("e")),
            from("Employee", "e"),
            where(path("e.age").between(numeric(20), numeric(40)))
        );

        testQuery(jpqlQuery, selectStatement);
    }

    @Test
    public void test_JPQLQuery_02() {
        String jpqlQuery = "SELECT e FROM Employee e WHERE e.age BETWEEN (SELECT e.age FROM Employee e) AND 40";

        ExpressionTester subquery = subquery(
            subSelect(path("e.age")),
            subFrom("Employee", "e")
        );

        ExpressionTester selectStatement = selectStatement(
            select(variable("e")),
            from("Employee", "e"),
            where(
                    path("e.age")
                .between(
                    sub(subquery),
                    numeric(40)
                )
            )
        );

        testQuery(jpqlQuery, selectStatement);
    }

    @Test
    public void test_JPQLQuery_03() {

        String jpqlQuery = "SELECT e, m " +
                       "FROM Employee e, Manager m " +
                       "WHERE e.age BETWEEN (SELECT e.age FROM Employee e) AND (SELECT m.age FROM Manager m)";

        ExpressionTester subquery1 = subquery(
            subSelect(path("e.age")),
            subFrom("Employee", "e")
        );

        ExpressionTester subquery2 = subquery(
            subSelect(path("m.age")),
            subFrom("Manager", "m")
        );

        ExpressionTester selectStatement = selectStatement(
            select(variable("e"), variable("m")),
            from("Employee", "e", "Manager", "m"),
            where(
                    path("e.age")
                .between(
                    sub(subquery1),
                    sub(subquery2)
                )
            )
        );

        testQuery(jpqlQuery, selectStatement);
    }

    @Test
    public void test_JPQLQuery_04() {

        String jpqlQuery = "SELECT e FROM Employee e WHERE e.age BETWEEN";

        BetweenExpressionTester betweenExpression = path("e.age").between(nullExpression(), nullExpression());
        betweenExpression.hasAnd = false;
        betweenExpression.hasSpaceAfterAnd = false;
        betweenExpression.hasSpaceAfterBetween = false;
        betweenExpression.hasSpaceAfterLowerBound = false;

        ExpressionTester selectStatement = selectStatement(
            select(variable("e")),
            from("Employee", "e"),
            where(betweenExpression)
        );

        testInvalidQuery(jpqlQuery, selectStatement);
    }

    @Test
    public void test_JPQLQuery_05() {

        String jpqlQuery = "SELECT e FROM Employee e WHERE e.age BETWEEN AND";

        BetweenExpressionTester betweenExpression = path("e.age").between(nullExpression(), nullExpression());
        betweenExpression.hasSpaceAfterAnd = false;
        betweenExpression.hasSpaceAfterLowerBound = false;

        ExpressionTester selectStatement = selectStatement(
            select(variable("e")),
            from("Employee", "e"),
            where(betweenExpression)
        );

        testInvalidQuery(jpqlQuery, selectStatement);
    }

    @Test
    public void test_JPQLQuery_06() {

        String jpqlQuery = "SELECT e FROM Employee e WHERE BETWEEN ";

        BetweenExpressionTester betweenExpression = between(
            nullExpression(),
            nullExpression(),
            nullExpression()
        );
        betweenExpression.hasAnd = false;
        betweenExpression.hasSpaceAfterAnd = false;
        betweenExpression.hasSpaceAfterLowerBound = false;

        ExpressionTester selectStatement = selectStatement(
            select(variable("e")),
            from("Employee", "e"),
            where(betweenExpression)
        );

        testInvalidQuery(jpqlQuery, selectStatement);
    }

    @Test
    public void test_JPQLQuery_07() {

        String jpqlQuery = "SELECT e FROM Employee e WHERE BETWEEN 10 AND";

        BetweenExpressionTester betweenExpression = between(nullExpression(), numeric(10), nullExpression());
        betweenExpression.hasSpaceAfterAnd = false;

        ExpressionTester selectStatement = selectStatement(
            select(variable("e")),
            from("Employee", "e"),
            where(betweenExpression)
        );

        testQuery(jpqlQuery, selectStatement);
    }

    @Test
    public void test_JPQLQuery_08() {

        String jpqlQuery = "SELECT e FROM Employee e WHERE NOT BETWEEN 10 AND 20";

        ExpressionTester selectStatement = selectStatement(
            select(variable("e")),
            from("Employee", "e"),
            where(notBetween(nullExpression(), numeric(10), numeric(20)))
        );

        testQuery(jpqlQuery, selectStatement);
    }

    @Test
    public void test_JPQLQuery_09() {

        String jpqlQuery = "SELECT e FROM Employee e WHERE e.age NOT BETWEEN AND 20";

        BetweenExpressionTester betweenExpression = notBetween(
            path("e.age"),
            nullExpression(),
            numeric(20)
        );
        betweenExpression.hasSpaceAfterLowerBound = false;

        ExpressionTester selectStatement = selectStatement(
            select(variable("e")),
            from("Employee", "e"),
            where(betweenExpression)
        );

        testInvalidQuery(jpqlQuery, selectStatement);
    }

    @Test
    public void test_JPQLQuery_10() {

        String jpqlQuery = "SELECT e FROM Employee e WHERE e.age BETWEEN ORDER BY e.name";

        BetweenExpressionTester betweenExpression = between(
            path("e.age"),
            nullExpression(),
            nullExpression()
        );
        betweenExpression.hasAnd = false;
        betweenExpression.hasSpaceAfterAnd = false;
        betweenExpression.hasSpaceAfterLowerBound = false;

        ExpressionTester selectStatement = selectStatement(
            select(variable("e")),
            from("Employee", "e"),
            where(betweenExpression),
            orderBy(orderByItem("e.name"))
        );

        testInvalidQuery(jpqlQuery, selectStatement);
    }

    @Test
    public void test_JPQLQuery_11() {

        String jpqlQuery = "SELECT e FROM Employee e WHERE e.age BETWEEN 10 AND ORDER BY e.name";

        ExpressionTester selectStatement = selectStatement(
            select(variable("e")),
            from("Employee", "e"),
            where(path("e.age").between(numeric(10), nullExpression())),
            orderBy(orderByItem("e.name"))
        );

        testInvalidQuery(jpqlQuery, selectStatement);
    }

    @Test
    public void test_JPQLQuery_12() {

        String jpqlQuery = "SELECT e FROM Employee e WHERE e.age BETWEEN 10 ORDER BY e.name";

        BetweenExpressionTester betweenExpression = between(
            path("e.age"),
            numeric(10),
            nullExpression()
        );
        betweenExpression.hasAnd = false;
        betweenExpression.hasSpaceAfterAnd = false;

        ExpressionTester selectStatement = selectStatement(
            select(variable("e")),
            from("Employee", "e"),
            where(betweenExpression),
            orderBy(orderByItem("e.name"))
        );

        testInvalidQuery(jpqlQuery, selectStatement);
    }
}