/*******************************************************************************
* 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.*;
/**
* @version 2.5
* @since 2.4
* @author Pascal Filion
*/
@SuppressWarnings("nls")
public final class UnionClauseTest extends JPQLParserTest {
@Test
public void test_JPQLQuery_01() throws Exception {
String jpqlQuery = "select e from Employee e union";
ExpressionTester selectStatement = selectStatement(
select(variable("e")),
from("Employee", "e"),
union(nullExpression())
);
testInvalidQuery(jpqlQuery, selectStatement);
}
@Test
public void test_JPQLQuery_02() throws Exception {
String jpqlQuery = "select e from Employee e union ";
UnionClauseTester union = union(nullExpression());
union.hasSpaceAfterIdentifier = true;
ExpressionTester selectStatement = selectStatement(
select(variable("e")),
from("Employee", "e"),
union
);
testInvalidQuery(jpqlQuery, selectStatement);
}
@Test
public void test_JPQLQuery_03() throws Exception {
String jpqlQuery = "select e from Employee e union all";
ExpressionTester selectStatement = selectStatement(
select(variable("e")),
from("Employee", "e"),
unionAll(nullExpression())
);
testInvalidQuery(jpqlQuery, selectStatement);
}
@Test
public void test_JPQLQuery_04() throws Exception {
String jpqlQuery = "select e from Employee e union all ";
UnionClauseTester union = unionAll(nullExpression());
union.hasSpaceAfterAll = true;
ExpressionTester selectStatement = selectStatement(
select(variable("e")),
from("Employee", "e"),
union
);
testInvalidQuery(jpqlQuery, selectStatement);
}
@Test
public void test_JPQLQuery_05() throws Exception {
String jpqlQuery = "select e from Employee e intersect";
ExpressionTester selectStatement = selectStatement(
select(variable("e")),
from("Employee", "e"),
intersect(nullExpression())
);
testInvalidQuery(jpqlQuery, selectStatement);
}
@Test
public void test_JPQLQuery_06() throws Exception {
String jpqlQuery = "select e from Employee e intersect ";
UnionClauseTester union = intersect(nullExpression());
union.hasSpaceAfterIdentifier = true;
ExpressionTester selectStatement = selectStatement(
select(variable("e")),
from("Employee", "e"),
union
);
testInvalidQuery(jpqlQuery, selectStatement);
}
@Test
public void test_JPQLQuery_07() throws Exception {
String jpqlQuery = "select e from Employee e intersect all";
ExpressionTester selectStatement = selectStatement(
select(variable("e")),
from("Employee", "e"),
intersectAll(nullExpression())
);
testInvalidQuery(jpqlQuery, selectStatement);
}
@Test
public void test_JPQLQuery_08() throws Exception {
String jpqlQuery = "select e from Employee e intersect all ";
UnionClauseTester union = intersectAll(nullExpression());
union.hasSpaceAfterAll = true;
ExpressionTester selectStatement = selectStatement(
select(variable("e")),
from("Employee", "e"),
union
);
testInvalidQuery(jpqlQuery, selectStatement);
}
@Test
public void test_JPQLQuery_09() throws Exception {
String jpqlQuery = "select e from Employee e except";
ExpressionTester selectStatement = selectStatement(
select(variable("e")),
from("Employee", "e"),
except(nullExpression())
);
testInvalidQuery(jpqlQuery, selectStatement);
}
@Test
public void test_JPQLQuery_10() throws Exception {
String jpqlQuery = "select e from Employee e except ";
UnionClauseTester union = except(nullExpression());
union.hasSpaceAfterIdentifier = true;
ExpressionTester selectStatement = selectStatement(
select(variable("e")),
from("Employee", "e"),
union
);
testInvalidQuery(jpqlQuery, selectStatement);
}
@Test
public void test_JPQLQuery_11() throws Exception {
String jpqlQuery = "select e from Employee e except all";
ExpressionTester selectStatement = selectStatement(
select(variable("e")),
from("Employee", "e"),
exceptAll(nullExpression())
);
testInvalidQuery(jpqlQuery, selectStatement);
}
@Test
public void test_JPQLQuery_12() throws Exception {
String jpqlQuery = "select e from Employee e except all ";
UnionClauseTester union = exceptAll(nullExpression());
union.hasSpaceAfterAll = true;
ExpressionTester selectStatement = selectStatement(
select(variable("e")),
from("Employee", "e"),
union
);
testInvalidQuery(jpqlQuery, selectStatement);
}
@Test
public void test_JPQLQuery_13() throws Exception {
String jpqlQuery = "select e from Employee e except select a from Alias a";
ExpressionTester selectStatement = selectStatement(
select(variable("e")),
from("Employee", "e"),
except(
subSelect(variable("a")),
subFrom("Alias", "a")
)
);
testQuery(jpqlQuery, selectStatement);
}
@Test
public void test_JPQLQuery_14() throws Exception {
String jpqlQuery = "select e from Employee e " +
"except select a from Alias a " +
"union " +
"intersect all select p from Product p where p.id <> 2";
UnionClauseTester union = union(nullExpression());
union.hasSpaceAfterIdentifier = true;
CollectionExpressionTester unionClauses = spacedCollection(
except(
subSelect(variable("a")),
subFrom("Alias", "a")
),
union,
intersectAll(
subSelect(variable("p")),
subFrom("Product", "p"),
where(path("p.id").different(numeric(2)))
)
);
unionClauses.spaces[1] = false;
ExpressionTester selectStatement = selectStatement(
select(variable("e")),
from("Employee", "e"),
unionClauses
);
testInvalidQuery(jpqlQuery, selectStatement);
}
@Test
public void test_JPQLQuery_15() throws Exception {
String jpqlQuery = "select e from Employee e " +
"except select a " +
"intersect all select p from Product p where p.id <> " +
"union select d from Department d";
ComparisonExpressionTester comparison = path("p.id").different(nullExpression());
comparison.hasSpaceAfterIdentifier = true;
SimpleSelectStatementTester subquery = subquery(
subSelect(variable("a")),
nullExpression()
);
subquery.hasSpaceAfterFrom = true;
CollectionExpressionTester unionClauses = spacedCollection(
except(subquery),
intersectAll(
subSelect(variable("p")),
subFrom("Product", "p"),
where(comparison)
),
union(
subSelect(variable("d")),
subFrom("Department", "d")
)
);
unionClauses.spaces[0] = false;
unionClauses.spaces[1] = false;
ExpressionTester selectStatement = selectStatement(
select(variable("e")),
from("Employee", "e"),
unionClauses
);
testInvalidQuery(jpqlQuery, selectStatement);
}
}