/*
* 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.resolver;
import java.sql.SQLException;
import org.hibernate.dialect.Dialect;
import org.hibernate.dialect.TestingDialects;
import org.hibernate.engine.jdbc.dialect.internal.DialectResolverSet;
import org.hibernate.engine.jdbc.dialect.spi.BasicDialectResolver;
import org.hibernate.engine.jdbc.dialect.spi.DialectResolver;
import org.hibernate.exception.JDBCConnectionException;
import org.junit.Test;
import org.hibernate.testing.junit4.BaseUnitTestCase;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.fail;
/**
* @author Steve Ebersole
*/
public class DialectResolverTest extends BaseUnitTestCase {
@Test
public void testDialects() throws Exception {
DialectResolverSet resolvers = new DialectResolverSet();
resolvers.addResolverAtFirst( new TestingDialects.MyDialectResolver1() );
resolvers.addResolverAtFirst( new TestingDialects.MyDialectResolver2() );
testDetermination( resolvers, "MyDatabase1", 1, TestingDialects.MyDialect1.class );
testDetermination( resolvers, "MyDatabase1", 2, TestingDialects.MyDialect1.class );
testDetermination( resolvers, "MyDatabase2", 0, null );
testDetermination( resolvers, "MyDatabase2", 1, TestingDialects.MyDialect21.class );
testDetermination( resolvers, "MyDatabase2", 2, TestingDialects.MyDialect22.class );
testDetermination( resolvers, "MyDatabase2", 3, TestingDialects.MyDialect22.class );
testDetermination( resolvers, "MyDatabase3", 1, null );
testDetermination( resolvers, "MyTrickyDatabase1", 1, TestingDialects.MyDialect1.class );
}
@Test
public void testErrorAndOrder() throws Exception {
DialectResolverSet resolvers = new DialectResolverSet();
resolvers.addResolverAtFirst( new TestingDialects.MyDialectResolver1() );
resolvers.addResolver( new TestingDialects.MyDialectResolver2() );
// Non-connection errors are suppressed.
testDetermination( resolvers, "MyDatabase1", 1, TestingDialects.MyDialect1.class );
testDetermination( resolvers, "MyTrickyDatabase1", 1, TestingDialects.MyDialect1.class );
testDetermination( resolvers, "NoSuchDatabase", 1, null );
}
@Test
public void testBasicDialectResolver() throws Exception {
DialectResolverSet resolvers = new DialectResolverSet();
// Simulating MyDialectResolver1 by BasicDialectResolvers
resolvers.addResolver( new BasicDialectResolver( "MyDatabase1", TestingDialects.MyDialect1.class ) );
resolvers.addResolver( new BasicDialectResolver( "MyDatabase2", 1, TestingDialects.MyDialect21.class ) );
resolvers.addResolver( new BasicDialectResolver( "MyDatabase2", 2, TestingDialects.MyDialect22.class ) );
resolvers.addResolver( new BasicDialectResolver( "ErrorDatabase1", Object.class ) );
testDetermination( resolvers, "MyDatabase1", 1, TestingDialects.MyDialect1.class );
testDetermination( resolvers, "MyDatabase1", 2, TestingDialects.MyDialect1.class );
testDetermination( resolvers, "MyDatabase2", 0, null );
testDetermination( resolvers, "MyDatabase2", 1, TestingDialects.MyDialect21.class );
testDetermination( resolvers, "MyDatabase2", 2, TestingDialects.MyDialect22.class );
testDetermination( resolvers, "ErrorDatabase1", 0, null );
}
private void testDetermination(
DialectResolver resolver,
String databaseName,
int version,
Class dialectClass) throws SQLException {
Dialect dialect = resolver.resolveDialect( TestingDialectResolutionInfo.forDatabaseInfo( databaseName, version ) );
if ( dialectClass == null ) {
assertEquals( null, dialect );
}
else {
assertEquals( dialectClass, dialect.getClass() );
}
}
}