/*******************************************************************************
* Copyright (c) 2012, 2015 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
*
******************************************************************************/
package org.eclipse.persistence.jpa.tests.jpql.parser;
import org.junit.Test;
import static org.eclipse.persistence.jpa.jpql.parser.Expression.*;
import static org.eclipse.persistence.jpa.tests.jpql.parser.JPQLParserTester.*;
/**
* This unit-tests test parsing the null ordering added to an ordering item.
*
* @version 2.5.1
* @since 2.4
* @author Pascal Filion
*/
@SuppressWarnings("nls")
public final class OrderByItemTest extends JPQLParserTest {
@Test
public void test_JPQLQuery_01() throws Exception {
String jpqlQuery = "select e from Employee e order by e.name asc nulls first";
ExpressionTester selectStatement = selectStatement(
select(variable("e")),
from("Employee", "e"),
orderBy(orderByItemAscNullsFirst("e.name"))
);
testQuery(jpqlQuery, selectStatement);
}
@Test
public void test_JPQLQuery_02() throws Exception {
String jpqlQuery = "select e from Employee e order by e.name asc nulls last";
ExpressionTester selectStatement = selectStatement(
select(variable("e")),
from("Employee", "e"),
orderBy(orderByItemAscNullsLast("e.name"))
);
testQuery(jpqlQuery, selectStatement);
}
@Test
public void test_JPQLQuery_03() throws Exception {
String jpqlQuery = "select e from Employee e order by e.name nulls first";
ExpressionTester selectStatement = selectStatement(
select(variable("e")),
from("Employee", "e"),
orderBy(orderByItemNullsFirst("e.name"))
);
testQuery(jpqlQuery, selectStatement);
}
@Test
public void test_JPQLQuery_04() throws Exception {
String jpqlQuery = "select e from Employee e order by e.name nulls last";
ExpressionTester selectStatement = selectStatement(
select(variable("e")),
from("Employee", "e"),
orderBy(orderByItemNullsLast("e.name"))
);
testQuery(jpqlQuery, selectStatement);
}
@Test
public void test_JPQLQuery_05() throws Exception {
String jpqlQuery = "select e from Employee e order by e.name nulls last, e.age desc nulls first";
ExpressionTester selectStatement = selectStatement(
select(variable("e")),
from("Employee", "e"),
orderBy(
orderByItemNullsLast("e.name"),
orderByItemDescNullsFirst("e.age")
)
);
testQuery(jpqlQuery, selectStatement);
}
@Test
public void test_JPQLQuery_06() throws Exception {
String jpqlQuery = "select e from Employee e order by e.name nulls last, e.age nulls";
OrderByItemTester orderByItem = orderByItemNullsFirst("e.age");
orderByItem.nulls = NULLS;
ExpressionTester selectStatement = selectStatement(
select(variable("e")),
from("Employee", "e"),
orderBy(
orderByItemNullsLast("e.name"),
orderByItem
)
);
testQuery(jpqlQuery, selectStatement);
}
@Test
public void test_JPQLQuery_07() throws Exception {
String jpqlQuery = "select e from Employee e order by e.name nulls last, e.age NULLS ";
OrderByItemTester orderByItem = orderByItemNullsFirst("e.age");
orderByItem.nulls = "NULLS";
orderByItem.hasSpaceAfterNulls = true;
ExpressionTester selectStatement = selectStatement(
select(variable("e")),
from("Employee", "e"),
orderBy(
orderByItemNullsLast("e.name"),
orderByItem
)
);
testInvalidQuery(jpqlQuery, selectStatement);
}
@Test
public void test_JPQLQuery_08() throws Exception {
String jpqlQuery = "SELECT i FROM Item i WHERE i.category=:category ORDER BY i.id\"";
ExpressionTester selectStatement = selectStatement(
select(variable("i")),
from("Item", "i"),
where(path("i.category").equal(inputParameter(":category"))),
orderBy(orderByItem(path("i.id\"")))
);
testInvalidQuery(jpqlQuery, selectStatement);
}
}