/*
* Copyright 2009-2012 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.ibatis.type;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertSame;
import static org.junit.Assert.assertTrue;
import java.net.URI;
import java.sql.CallableStatement;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.List;
import org.apache.ibatis.domain.misc.RichType;
import org.junit.Ignore;
import org.junit.Test;
public class TypeHandlerRegistryTest {
private TypeHandlerRegistry typeHandlerRegistry = new TypeHandlerRegistry();
@Test
public void shouldRegisterAndRetrieveTypeHandler() {
TypeHandler<String> stringTypeHandler = typeHandlerRegistry.getTypeHandler(String.class);
typeHandlerRegistry.register(String.class, JdbcType.LONGVARCHAR, stringTypeHandler);
assertEquals(stringTypeHandler, typeHandlerRegistry.getTypeHandler(String.class, JdbcType.LONGVARCHAR));
assertTrue(typeHandlerRegistry.hasTypeHandler(String.class));
assertFalse(typeHandlerRegistry.hasTypeHandler(RichType.class));
assertTrue(typeHandlerRegistry.hasTypeHandler(String.class, JdbcType.LONGVARCHAR));
assertTrue(typeHandlerRegistry.hasTypeHandler(String.class, JdbcType.INTEGER));
assertTrue(typeHandlerRegistry.getUnknownTypeHandler() instanceof UnknownTypeHandler);
}
@Test
public void shouldRegisterAndRetrieveComplexTypeHandler() {
TypeHandler<List<URI>> fakeHandler = new TypeHandler<List<URI>>() {
public void setParameter( PreparedStatement ps, int i, List<URI> parameter, JdbcType jdbcType )
throws SQLException {
// do nothing, fake method
}
public List<URI> getResult( CallableStatement cs, int columnIndex )
throws SQLException {
// do nothing, fake method
return null;
}
public List<URI> getResult( ResultSet rs, int columnIndex )
throws SQLException {
// do nothing, fake method
return null;
}
public List<URI> getResult( ResultSet rs, String columnName )
throws SQLException {
// do nothing, fake method
return null;
}
};
TypeReference<List<URI>> type = new TypeReference<List<URI>>(){};
typeHandlerRegistry.register(type, fakeHandler);
assertSame(fakeHandler, typeHandlerRegistry.getTypeHandler(type));
}
@Test
public void shouldAutoRegisterAndRetrieveComplexTypeHandler() {
TypeHandler<List<URI>> fakeHandler = new BaseTypeHandler<List<URI>>() {
@Override
public void setNonNullParameter( PreparedStatement ps, int i, List<URI> parameter, JdbcType jdbcType )
throws SQLException {
// do nothing, fake method
}
@Override
public List<URI> getNullableResult( ResultSet rs, String columnName )
throws SQLException {
// do nothing, fake method
return null;
}
@Override
public List<URI> getNullableResult( ResultSet rs, int columnIndex )
throws SQLException {
// do nothing, fake method
return null;
}
@Override
public List<URI> getNullableResult( CallableStatement cs, int columnIndex )
throws SQLException {
// do nothing, fake method
return null;
}
};
typeHandlerRegistry.register(fakeHandler);
assertSame(fakeHandler, typeHandlerRegistry.getTypeHandler(new TypeReference<List<URI>>(){}));
}
@Test
public void shouldBindHandlersToWrapersAndPrimitivesIndividually() {
typeHandlerRegistry.register(Integer.class, DateTypeHandler.class);
assertSame(IntegerTypeHandler.class, typeHandlerRegistry.getTypeHandler(int.class).getClass());
typeHandlerRegistry.register(Integer.class, IntegerTypeHandler.class);
typeHandlerRegistry.register(int.class, DateTypeHandler.class);
assertSame(IntegerTypeHandler.class, typeHandlerRegistry.getTypeHandler(Integer.class).getClass());
typeHandlerRegistry.register(Integer.class, IntegerTypeHandler.class);
}
}