/*
 * Hibernate, Relational Persistence for Idiomatic Java
 *
 * License: GNU Lesser General Public License (LGPL), version 2.1 or later.
 * See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
 */
package org.hibernate.dialect;

import java.util.Collections;
import java.util.List;
import java.util.Map;

import org.hibernate.dialect.function.SQLFunction;
import org.hibernate.engine.spi.Mapping;
import org.hibernate.engine.spi.SessionFactoryImplementor;
import org.hibernate.type.StandardBasicTypes;
import org.hibernate.type.Type;

import org.hibernate.testing.TestForIssue;
import org.hibernate.testing.junit4.BaseUnitTestCase;
import org.junit.Test;

import static org.junit.Assert.assertEquals;

/**
 * Testing of patched support for Informix boolean type; see HHH-9894, HHH-10800
 *
 * @author Greg Jones
 */
public class InformixDialectTestCase extends BaseUnitTestCase {

	private final InformixDialect dialect = new InformixDialect();

	@Test
	@TestForIssue(jiraKey = "HHH-9894")
	public void testToBooleanValueStringTrue() {
		assertEquals( "'t'", dialect.toBooleanValueString( true ) );
	}

	@Test
	@TestForIssue(jiraKey = "HHH-9894")
	public void testToBooleanValueStringFalse() {
		assertEquals( "'f'", dialect.toBooleanValueString( false ) );
	}

	@Test
	@TestForIssue(jiraKey = "HHH-10800")
	public void testCurrentTimestampFunction() {
		Map<String, SQLFunction> functions = dialect.getFunctions();
		SQLFunction sqlFunction = functions.get( "current_timestamp" );

		Type firstArgumentType = null;
		Mapping mapping = null;
		assertEquals( StandardBasicTypes.TIMESTAMP, sqlFunction.getReturnType( firstArgumentType, mapping ) );

		firstArgumentType = null;
		List arguments = Collections.emptyList();
		SessionFactoryImplementor factory = null;
		assertEquals( "current", sqlFunction.render( firstArgumentType, arguments, factory ) );
	}

	@Test
	@TestForIssue(jiraKey = "HHH-10800")
	public void testCurrentDateFunction() {
		Map<String, SQLFunction> functions = dialect.getFunctions();
		SQLFunction sqlFunction = functions.get( "current_date" );

		Type firstArgumentType = null;
		Mapping mapping = null;
		assertEquals( StandardBasicTypes.DATE, sqlFunction.getReturnType( firstArgumentType, mapping ) );

		firstArgumentType = null;
		List arguments = Collections.emptyList();
		SessionFactoryImplementor factory = null;
		assertEquals( "today", sqlFunction.render( firstArgumentType, arguments, factory ) );
	}
}