/*******************************************************************************
* 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.tests.jpql.parser.JPQLParserTester.*;
@SuppressWarnings("nls")
public final class OnClauseTest extends JPQLParserTest {
@Test
public void test_JPQLQuery_01() {
String query = "SELECT e FROM Employee e JOIN e.projects p ON p.budget > 10000";
SelectStatementTester selectStatement = selectStatement(
select(variable("e")),
from("Employee", "e",
join("e.projects", "p",
on(
path("p.budget")
.greaterThan(
numeric("10000")
)
)
)
)
);
testQuery(query, selectStatement);
}
@Test
public void test_JPQLQuery_02() {
String query = "SELECT e FROM Employee e JOIN e.projects p ON";
SelectStatementTester selectStatement = selectStatement(
select(variable("e")),
from("Employee", "e", join("e.projects", "p", on(nullExpression())))
);
testInvalidQuery(query, selectStatement);
}
@Test
public void test_JPQLQuery_03() {
String query = "SELECT e FROM Employee e JOIN e.projects p ON ";
OnClauseTester onClause = on(nullExpression());
onClause.hasSpaceAfterIdentifier = true;
SelectStatementTester selectStatement = selectStatement(
select(variable("e")),
from("Employee", "e", join("e.projects", "p", onClause))
);
testInvalidQuery(query, selectStatement);
}
@Test
public void test_JPQLQuery_04() {
String query = "SELECT e FROM Employee e JOIN e.projects p ON p.budget > 10000 JOIN FETCH p.managers";
SelectStatementTester selectStatement = selectStatement(
select(variable("e")),
from("Employee", "e",
join("e.projects", "p",
on(
path("p.budget")
.greaterThan(
numeric("10000")
)
)
),
joinFetch("p.managers")
)
);
testQuery(query, selectStatement);
}
@Test
public void test_JPQLQuery_05() {
String query = "SELECT e " +
"FROM Employee e JOIN e.projects p ON p.budget > 10000 " +
" JOIN FETCH p.managers ON " +
"WHERE e.id > -1";
OnClauseTester onClause = on(nullExpression());
onClause.hasSpaceAfterIdentifier = true;
SelectStatementTester selectStatement = selectStatement(
select(variable("e")),
from("Employee", "e",
join("e.projects", "p",
on(
path("p.budget")
.greaterThan(
numeric("10000")
)
)
),
joinFetch(collectionPath("p.managers"), nullExpression(),
onClause
)
),
where(path("e.id").greaterThan(numeric(-1)))
);
selectStatement.hasSpaceAfterFrom = false;
testInvalidQuery(query, selectStatement);
}
@Test
public void test_JPQLQuery_06() {
String query = "SELECT e " +
"FROM Employee e JOIN e.projects p ON p.budget > 10000 " +
" JOIN FETCH p.managers ON SQRT(e.age) = 2 " +
"WHERE e.id > -1";
SelectStatementTester selectStatement = selectStatement(
select(variable("e")),
from("Employee", "e",
join("e.projects", "p",
on(
path("p.budget")
.greaterThan(
numeric("10000")
)
)
),
joinFetch(collectionPath("p.managers"), nullExpression(),
on(sqrt(path("e.age")).equal(numeric(2)))
)
),
where(path("e.id").greaterThan(numeric(-1)))
);
testQuery(query, selectStatement);
}
}