test case for integer values with radio choice widget

test_radio.py

from pyramid.config import Configurator                                                                                                                                     
from pyramid.view import view_config                                                                                                                                        
from colander import Schema, SchemaNode, Int, String                                                                                                                        
from deform.widget import RadioChoiceWidget                                                                                                                                 
from deform.form import Form                                                                                                                                                
import waitress                                                                                                                                                             
                                                                                                                                                                            
class TestSchema(Schema):                                                                                                                                                   
    string_field = SchemaNode(                                                                                                                                              
                String(),                                                                                                                                                   
                widget=RadioChoiceWidget(values=(('0','zero'),('1','one')))                                                                                                 
            )                                                                                                                                                               
    int_field = SchemaNode(                                                                                                                                                 
                Int(),                                                                                                                                                      
                widget=RadioChoiceWidget(values=((0, 'zero'),(1,'one')))                                                                                                    
            )                                                                                                                                                               
                                                                                                                                                                            
@view_config(route_name='home')                                                                                                                                             
def test_radio_form(request):                                                                                                                                               
    form = Form(TestSchema(), buttons=('submit',))                                                                                                                          
    from pyramid.response import Response                                                                                                                                   
    return Response(form.render({'string_field': '0', 'int_field': 0}))                                                                                                     
                                                                                                                                                                            
                                                                                                                                                                            
if __name__ == "__main__":                                                                                                                                                  
    config = Configurator()                                                                                                                                                 
    config.add_route('home', '/')                                                                                                                                           
    config.scan()                                                                                                                                                           
    app = config.make_wsgi_app()                                                                                                                                            
    waitress.serve(app, host='0.0.0.0', port='6444')