def form_postvars(tablename, fields, request, action="create", 
        record_id=None):
    """
    Creates the appropriate request vars for forms
    """

    vars = {}
    for field_name in fields:
        vars[field_name] = fields[field_name]
    if action == "create":
        vars["_formname"] = tablename + "_" + action
    elif action == "update":
        vars["_formname"] = tablename + "_" + str(record_id)
        vars["id"] = record_id
    elif action == "delete":
        vars["_formname"] = tablename + "_" + str(record_id)
        vars["id"] = record_id
        vars["delete_this_record"] = True
    elif action:
        vars["_formname"] = action

    request['vars'].update(vars)
    request['post_vars'].update(vars)

#!/usr/bin/python

#python web2py.py -S postcard -M -R testRunner.py

import unittest
from gluon.globals import Request, Session, Storage, Response
from gluon.contrib.test_helpers import form_postvars
from gluon.html import BEAUTIFY
import cPickle as pickle



class DefaultController(unittest.TestCase):
    def __init__(self, p):
        global auth, session, request
        unittest.TestCase.__init__(self, p)
        self.session = pickle.dumps(session)
        request.application = 'appname'
        request.controller = 'default'
        self.request = pickle.dumps(request)


    def setUp(self):
        global response, session, request, auth
        session = pickle.loads(self.session)
        request = pickle.loads(self.request)
        auth = Auth(globals(), db)
        auth.define_tables()
   def _testRedirect(self, callable, url="/index"):
        try:
            resp = callable()
            self.fail("%s should raise an exception\n%s" % (
                callable.__name__,
                resp.errors))
        except HTTP, e:
            self.assertTrue(e.headers['Location'] == url,
                    "Wrong redirection url for unlogged user on %s() : %s" %
                    (callable.__name__, e.headers['Location']))
        else:
            self.fail("%s should raise an HTTP exception\n%s" % (
                callable.__name__,
                e))

    def emptyUserDB(self):
        db(db.auth_user.id>0).delete()
        db.commit()

    def testRegisterSuccess(self):
        self.emptyUserDB()
        #Register
        request.function='register'
        resp = auth.register()
        form_postvars("auth_user", {
            "email": "essai@gmail.com",
            "first_name": "e_first",
            "last_name": "e_lats",
            "password" : "blob",
            "password_two": "blob",
            "_formkey": resp.formkey,
            },
            request, action="register",
            record_id=None, )     
        self._testRedirect(auth.register)
        self.assertTrue(auth.is_logged_in())
        self.assertEquals(auth.user.first_name, 'e_first')