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

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());
    }

}