| /* |
| * Copyright (c) 2012, 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.*; |
| |
| /** |
| * Tests parsing hierarchical query clause. |
| * |
| * @see org.eclipse.persistence.jpa.jpql.parser.HierarchicalQueryClause HierarchicalQueryClause |
| * |
| * @version 2.5 |
| * @since 2.5 |
| * @author Pascal Filion |
| */ |
| @SuppressWarnings("nls") |
| public final class HierarchicalQueryClauseTest extends JPQLParserTest { |
| |
| @Test |
| public void test_JPQLQuery_01() throws Exception { |
| |
| String jpqlQuery = "SELECT e FROM Employee e START WITH CONNECT BY"; |
| |
| StartWithClauseTester startWithClause = startWith(nullExpression()); |
| startWithClause.hasSpaceAfterIdentifier = true; |
| |
| ConnectByClauseTester connectByClause = connectBy(nullExpression()); |
| connectByClause.hasSpaceAfterConnectBy = false; |
| |
| HierarchicalQueryClauseTester hierarchicalQuery = hierarchicalQueryClause( |
| startWithClause, |
| connectByClause |
| ); |
| |
| hierarchicalQuery.hasSpaceAfterStartWithClause = false; |
| |
| ExpressionTester selectStatement = selectStatement( |
| select(variable("e")), |
| from("Employee", "e", hierarchicalQuery) |
| ); |
| |
| testInvalidQuery(jpqlQuery, selectStatement); |
| } |
| |
| @Test |
| public void test_JPQLQuery_02() throws Exception { |
| |
| String jpqlQuery = "SELECT e FROM Employee e START WITH CONNECT BY ORDER SIBLINGS BY"; |
| |
| StartWithClauseTester startWithClause = startWith(nullExpression()); |
| startWithClause.hasSpaceAfterIdentifier = true; |
| |
| ConnectByClauseTester connectByClause = connectBy(nullExpression()); |
| connectByClause.hasSpaceAfterConnectBy = true; |
| |
| OrderSiblingsByClauseTester orderSiblingsByClause = orderSiblingsBy(nullExpression()); |
| orderSiblingsByClause.hasSpaceAfterIdentifier = false; |
| |
| HierarchicalQueryClauseTester hierarchicalQuery = hierarchicalQueryClause( |
| startWithClause, |
| connectByClause, |
| orderSiblingsByClause |
| ); |
| |
| hierarchicalQuery.hasSpaceAfterStartWithClause = false; |
| hierarchicalQuery.hasSpaceAfterConnectByClause = false; |
| |
| ExpressionTester selectStatement = selectStatement( |
| select(variable("e")), |
| from("Employee", "e", hierarchicalQuery) |
| ); |
| |
| testInvalidQuery(jpqlQuery, selectStatement); |
| } |
| |
| @Test |
| public void test_JPQLQuery_03() throws Exception { |
| |
| String jpqlQuery = "SELECT e FROM Employee e START WITH CONNECT BY ORDER SIBLINGS BY "; |
| |
| StartWithClauseTester startWithClause = startWith(nullExpression()); |
| startWithClause.hasSpaceAfterIdentifier = true; |
| |
| ConnectByClauseTester connectByClause = connectBy(nullExpression()); |
| connectByClause.hasSpaceAfterConnectBy = true; |
| |
| OrderSiblingsByClauseTester orderSiblingsByClause = orderSiblingsBy(nullExpression()); |
| orderSiblingsByClause.hasSpaceAfterIdentifier = true; |
| |
| HierarchicalQueryClauseTester hierarchicalQuery = hierarchicalQueryClause( |
| startWithClause, |
| connectByClause, |
| orderSiblingsByClause |
| ); |
| |
| hierarchicalQuery.hasSpaceAfterStartWithClause = false; |
| hierarchicalQuery.hasSpaceAfterConnectByClause = false; |
| |
| ExpressionTester selectStatement = selectStatement( |
| select(variable("e")), |
| from("Employee", "e", hierarchicalQuery) |
| ); |
| |
| testInvalidQuery(jpqlQuery, selectStatement); |
| } |
| |
| @Test |
| public void test_JPQLQuery_04() throws Exception { |
| |
| String jpqlQuery = "SELECT e FROM Employee e START WITH ORDER SIBLINGS BY"; |
| |
| StartWithClauseTester startWithClause = startWith(nullExpression()); |
| startWithClause.hasSpaceAfterIdentifier = true; |
| |
| OrderSiblingsByClauseTester orderSiblingsByClause = orderSiblingsBy(nullExpression()); |
| orderSiblingsByClause.hasSpaceAfterIdentifier = false; |
| |
| HierarchicalQueryClauseTester hierarchicalQuery = hierarchicalQueryClause( |
| startWithClause, |
| nullExpression(), |
| orderSiblingsByClause |
| ); |
| |
| hierarchicalQuery.hasSpaceAfterStartWithClause = false; |
| |
| ExpressionTester selectStatement = selectStatement( |
| select(variable("e")), |
| from("Employee", "e", hierarchicalQuery) |
| ); |
| |
| testInvalidQuery(jpqlQuery, selectStatement); |
| } |
| |
| @Test |
| public void test_JPQLQuery_05() throws Exception { |
| |
| String jpqlQuery = "SELECT e FROM Employee e ORDER SIBLINGS BY"; |
| |
| OrderSiblingsByClauseTester orderSiblingsByClause = orderSiblingsBy(nullExpression()); |
| orderSiblingsByClause.hasSpaceAfterIdentifier = false; |
| |
| HierarchicalQueryClauseTester hierarchicalQuery = hierarchicalQueryClause( |
| nullExpression(), |
| nullExpression(), |
| orderSiblingsByClause |
| ); |
| |
| ExpressionTester selectStatement = selectStatement( |
| select(variable("e")), |
| from("Employee", "e", hierarchicalQuery) |
| ); |
| |
| testInvalidQuery(jpqlQuery, selectStatement); |
| } |
| |
| @Test |
| public void test_JPQLQuery_06() throws Exception { |
| |
| String jpqlQuery = "SELECT e FROM Employee e CONNECT BY ORDER SIBLINGS BY"; |
| |
| ConnectByClauseTester connectByClause = connectBy(nullExpression()); |
| connectByClause.hasSpaceAfterConnectBy = true; |
| |
| OrderSiblingsByClauseTester orderSiblingsByClause = orderSiblingsBy(nullExpression()); |
| orderSiblingsByClause.hasSpaceAfterIdentifier = false; |
| |
| HierarchicalQueryClauseTester hierarchicalQuery = hierarchicalQueryClause( |
| nullExpression(), |
| connectByClause, |
| orderSiblingsByClause |
| ); |
| |
| hierarchicalQuery.hasSpaceAfterStartWithClause = false; |
| hierarchicalQuery.hasSpaceAfterConnectByClause = false; |
| |
| ExpressionTester selectStatement = selectStatement( |
| select(variable("e")), |
| from("Employee", "e", hierarchicalQuery) |
| ); |
| |
| testInvalidQuery(jpqlQuery, selectStatement); |
| } |
| |
| @Test |
| public void test_JPQLQuery_07() throws Exception { |
| |
| String jpqlQuery = "SELECT e FROM Employee e CONNECT BY"; |
| |
| ConnectByClauseTester connectByClause = connectBy(nullExpression()); |
| connectByClause.hasSpaceAfterConnectBy = false; |
| |
| HierarchicalQueryClauseTester hierarchicalQuery = hierarchicalQueryClause( |
| nullExpression(), |
| connectByClause, |
| nullExpression() |
| ); |
| |
| hierarchicalQuery.hasSpaceAfterStartWithClause = false; |
| |
| ExpressionTester selectStatement = selectStatement( |
| select(variable("e")), |
| from("Employee", "e", hierarchicalQuery) |
| ); |
| |
| testInvalidQuery(jpqlQuery, selectStatement); |
| } |
| } |