/*******************************************************************************
 * Copyright (c) 2006, 2013 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 IdentificationVariableDeclarationTest extends JPQLParserTest {

	@Test
	public void test_JPQLQuery_01() {

		String query = "SELECT e FROM Employee e, Address AS addr";

		SelectStatementTester selectStatement = selectStatement(
			select(variable("e")),
			from(
				identificationVariableDeclaration("Employee", "e"),
				identificationVariableDeclarationAs("Address", "addr")
			)
		);

		testQuery(query, selectStatement);
	}

	@Test
	public void test_JPQLQuery_02() {

		String query = "SELECT e FROM Employee e JOIN e.magazines AS mags";

		SelectStatementTester selectStatement = selectStatement(
			select(variable("e")),
			from("Employee", "e", joinAs("e.magazines", "mags"))
		);

		testQuery(query, selectStatement);
	}

	@Test
	public void test_JPQLQuery_03() {

		String query = "SELECT e FROM Employee e JOIN e.magazines mags";

		SelectStatementTester selectStatement = selectStatement(
			select(variable("e")),
			from("Employee", "e", join("e.magazines", "mags"))
		);

		testQuery(query, selectStatement);
	}

	@Test
	public void test_JPQLQuery_04() {

		String query = "SELECT e FROM Employee e LEFT JOIN e.magazines mags";

		SelectStatementTester selectStatement = selectStatement(
			select(variable("e")),
			from("Employee", "e", leftJoin("e.magazines", "mags"))
		);

		testQuery(query, selectStatement);
	}

	@Test
	public void test_JPQLQuery_05() {

		String query = "SELECT e FROM Employee e JOIN FETCH e.magazines";

		SelectStatementTester selectStatement = selectStatement(
			select(variable("e")),
			from("Employee", "e", joinFetch("e.magazines"))
		);

		testQuery(query, selectStatement);
	}

	@Test
	public void test_JPQLQuery_06() {

		String query = "SELECT e FROM Employee e JOIN e.magazines mags " +
		               "                         INNER JOIN e.name AS name";

		SelectStatementTester selectStatement = selectStatement(
			select(variable("e")),
			from(
				"Employee", "e",
				join("e.magazines", "mags"),
				innerJoinAs("e.name", "name")
			)
		);

		testQuery(query, selectStatement);
	}

	@Test
	public void test_JPQLQuery_07() {

		String query = "SELECT e " +
		               "FROM Employee e LEFT OUTER JOIN e.magazines mags, " +
		               "     Address AS addr JOIN FETCH addr.street " +
		               "                     INNER JOIN addr.zip AS zip, " +
		               "     Manager m";


		SelectStatementTester selectStatement = selectStatement(
			select(variable("e")),
			from(
				identificationVariableDeclaration  ("Employee", "e",   leftOuterJoin("e.magazines", "mags")),
				identificationVariableDeclarationAs("Address", "addr", joinFetch("addr.street"), innerJoinAs("addr.zip", "zip")),
				identificationVariableDeclaration  ("Manager", "m")
			)
		);

		testQuery(query, selectStatement);
	}
}