querydsl/querydsl-sql/src/test/java/com/mysema/query/sql/QBeanTest.java

/*
 * Copyright 2011, Mysema Ltd
 * 
 * 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 com.mysema.query.sql;

import static org.junit.Assert.assertEquals;

import org.junit.Test;

import com.mysema.query.sql.domain.Employee;
import com.mysema.query.sql.domain.QEmployee;
import com.mysema.query.types.FactoryExpression;
import com.mysema.query.types.QBean;

public class QBeanTest {
    
    private final QEmployee e = new QEmployee("e");
    
    @Test
    public void Direct_to_Managed_type() {
        FactoryExpression<Employee> expr = new QBean<Employee>(Employee.class, e.superiorId);        
        Employee e = expr.newInstance(3);
        assertEquals(Integer.valueOf(3), e.getSuperiorId());
    }
    
    @Test
    public void Direct_to_Custom_type() {
        FactoryExpression<Employee> expr = new QBean<Employee>(Employee.class, e.firstname, e.lastname);        
        Employee e = expr.newInstance("John","Smith");
        assertEquals("John", e.getFirstname());
        assertEquals("Smith", e.getLastname());
    }
    
    @Test
    public void Alias_to_Managed_type() {
        FactoryExpression<Employee> expr = new QBean<Employee>(Employee.class, e.superiorId.as("id"));        
        Employee e = expr.newInstance(3);
        assertEquals(3, e.getId().intValue());
    }
    
    @Test
    public void Alias_to_Custom_type() {
        FactoryExpression<Employee> expr = new QBean<Employee>(Employee.class, e.firstname.as("lastname"), e.lastname.as("firstname"));        
        Employee e = expr.newInstance("John","Smith");
        assertEquals("Smith", e.getFirstname());
        assertEquals("John", e.getLastname());
    }

}