Here is my code, the pb is that the view return is null ... an idea ? :
Code:
fillUtilisateur();
LoginFormController classe = new LoginFormController(  );

String formView = "fail";
String successView = "success";
classe.setFormView( formView );
classe.setSuccessView( successView );
classe.setCommandName("utilisateur");
classe.setCommandClass(utilisateur.class);
        
BindException errors = new BindException(utilisateur, "utilisateur");
MockHttpServletRequest 	request=new MockHttpServletRequest("POST", "/login.html");
HttpServletResponse 	response = new MockHttpServletResponse();
request.addParameter("login", utilisateur.getLogin().toString());
request.addParameter("mdp", utilisateur.getMdp().toString());
mv = classe.onSubmit(request, response, utilisateur, errors);
Thanks a lot,

Fabien