def get_item_form(name, request, renderers=None, validators=None, values=None):
"""Will return a form for the given item
:name: Name of the form
:request: Current request
:renderers: Dictionary of external renderers which should be used
for renderering some form elements.
:validators: List of external formbar validators which should be
added to the form for validation
:values: Dictionary with external values to prefill the form or add
addional values for rule evaluation.
:returns: Form
"""
if renderers is None:
renderers = {}
if validators is None:
validators = []
if values is None:
values = {}
item = get_item_from_request(request)
renderers = add_renderers(renderers)
clazz = request.context.__model__
name = request.session.get("%s.form" % clazz) or name
# handle blobforms
if isinstance(item, Blobform):
# TODO: Why not use the get_form_config method here. This can
# handle Blobforms and usual form configs. () <2014-08-26 22:21>
item, formconfig = get_blobform_config(request, item, name)
else:
formconfig = get_form_config(item, name)
form = Form(formconfig,
item,
request.db,
translate=request.translate,
renderers=renderers,
change_page_callback={
'url': 'set_current_form_page',
'item': clazz.__tablename__,
'itemid': item.id
},
request=request,
csrf_token=request.session.get_csrf_token(),
eval_url=get_eval_url(),
url_prefix=get_app_url(request),
locale=locale_negotiator(request),
values=values,
timezone=get_timezone(request),
dependencies=create_dependencies(request))
# Add validators
for validator in validators:
form.add_validator(validator)
return form
def get_item_form(name, request, renderers=None, validators=None, values=None):
"""Will return a form for the given item
:name: Name of the form
:request: Current request
:renderers: Dictionary of external renderers which should be used
for renderering some form elements.
:validators: List of external formbar validators which should be
added to the form for validation
:values: Dictionary with external values to prefill the form or add
addional values for rule evaluation.
:returns: Form
"""
if renderers is None:
renderers = {}
if validators is None:
validators = []
if values is None:
values = {}
item = get_item_from_request(request)
renderers = add_renderers(renderers)
clazz = request.context.__model__
name = request.session.get("%s.form" % clazz) or name
## handle blobforms
if isinstance(item, Blobform):
# TODO: Why not use the get_form_config method here. This can
# handle Blobforms and usual form configs. () <2014-08-26 22:21>
item, formconfig = get_blobform_config(request, item, name)
else:
formconfig = get_form_config(item, name)
form = Form(formconfig, item, request.db,
translate=request.translate,
renderers=renderers,
change_page_callback={'url': 'set_current_form_page',
'item': clazz.__tablename__,
'itemid': item.id},
request=request,
csrf_token=request.session.get_csrf_token(),
eval_url=get_eval_url(),
url_prefix=get_app_url(request),
locale=locale_negotiator(request),
values=values)
# Add validators
for validator in validators:
form.add_validator(validator)
return form
def changepassword(request):
"""Method to change the users password by the user. The user user
musst provide his old and the new pasword. Users are only allowed to
change their own password."""
# Check authentification
# As this view has now security configured it is
# generally callable by all users. For this reason we first check if
# the user is authenticated. If the user is not authenticated the
# raise an 401 (unauthorized) exception.
if not request.user:
raise HTTPUnauthorized
clazz = User
_ = request.translate
rvalue = {}
# Load the item return 400 if the item can not be found.
id = request.matchdict.get('id')
factory = clazz.get_item_factory()
try:
item = factory.load(id, request.db)
# Check authorisation
# User are only allowed to set their own password.
if item.id != request.user.id:
raise HTTPForbidden()
except sa.orm.exc.NoResultFound:
raise HTTPBadRequest()
form = Form(get_form_config(item, 'changepassword'),
item, request.db, translate=_,
renderers={},
change_page_callback={'url': 'set_current_form_page',
'item': clazz.__tablename__,
'itemid': id},
request=request, csrf_token=request.session.get_csrf_token())
if request.POST:
mapping = {'item': item}
# Do extra validation which is not handled by formbar.
# Is the provided old password correct?
validator = Validator('oldpassword',
_('The given password is not correct'),
check_password)
pw_len_validator = Validator('password',
_('Password must be at least 12 '
'characters long.'),
password_minlength_validator)
pw_nonchar_validator = Validator('password',
_('Password must contain at least 2 '
'non-letters.'),
password_nonletter_validator)
form.add_validator(validator)
form.add_validator(pw_len_validator)
form.add_validator(pw_nonchar_validator)
if form.validate(request.params):
form.save()
# Actually save the password. This is not done in the form
# as the password needs to be encrypted.
encrypt_password_callback(request, item)
msg = _('Changed password for "${item}" successfull.',
mapping=mapping)
log.info(msg)
request.session.flash(msg, 'success')
route_name = get_action_routename(item, 'changepassword')
url = request.route_path(route_name, id=item.id)
# Invalidate cache
invalidate_cache()
return HTTPFound(location=url)
else:
msg = _('Error on changing the password for '
'"${item}".', mapping=mapping)
log.info(msg)
request.session.flash(msg, 'error')
rvalue['clazz'] = clazz
rvalue['item'] = item
rvalue['form'] = form.render(page=get_current_form_page(clazz, request))
return rvalue
def register_user(request):
settings = request.registry.settings
if not is_registration_enabled(settings):
raise exc.exception_response(503)
handle_history(request)
_ = request.translate
config = Config(load(get_path_to_form_config('auth.xml')))
form_config = config.get_form('register_user')
form = Form(form_config, csrf_token=request.session.get_csrf_token(),
translate=_)
# Do extra validation which is not handled by formbar.
# Is the login unique?
login_unique_validator = Validator('login',
_('There is already a user with this '
'name'),
is_login_unique)
pw_len_validator = Validator('pass',
_('Password must be at least 12 characters '
'long.'),
password_minlength_validator)
pw_nonchar_validator = Validator('pass',
_('Password must contain at least 2 '
'non-letters.'),
password_nonletter_validator)
form.add_validator(login_unique_validator)
form.add_validator(pw_len_validator)
form.add_validator(pw_nonchar_validator)
registration_complete = False
if request.POST:
if form.validate(request.params):
# 1. Create user. Do not activate him. Default role is user.
ufac = User.get_item_factory()
user = ufac.create(None, form.data)
# Set login from formdata
user.login = form.data['login']
# Encrypt password and save
user.password = encrypt_password(form.data['pass'])
# Deactivate the user. To activate the user needs to confirm
# with the activation link
user.activated = False
atoken = str(uuid.uuid4())
user.activation_token = atoken
# Set profile data
user.profile[0].email = form.data['_email']
# 2. Set user group
gfac = Usergroup.get_item_factory()
default_grps = settings.get("auth.register_user_default_groups",
str(USER_GROUP_ID))
for gid in [int(id) for id in default_grps.split(",")]:
group = gfac.load(gid)
user.groups.append(group)
# 3. Set user role
rfac = Role.get_item_factory()
default_roles = settings.get("auth.register_user_default_roles",
str(USER_ROLE_ID))
for rid in [int(id) for id in default_roles.split(",")]:
role = rfac.load(rid)
user.roles.append(role)
# Set default user group.
request.db.add(user)
# 4. Send confirmation email. The user will be activated
# after the user clicks on the confirmation link
mailer = Mailer(request)
recipient = user.profile[0].email
subject = _('Confirm user registration')
values = {'url': request.route_url('confirm_user', token=atoken),
'app_name': get_app_title(),
'email': settings['mail.default_sender'],
'_': _}
mail = Mail([recipient],
subject,
template="register_user",
values=values)
mailer.send(mail)
msg = _("User has been created and a confirmation mail was sent"
" to the users email adress. Please check your email.")
request.session.flash(msg, 'success')
registration_complete = True
return {'form': form.render(), 'complete': registration_complete}
def register_user(request):
settings = request.registry.settings
if not is_registration_enabled(settings):
raise exc.exception_response(503)
_ = request.translate
config = Config(load(get_path_to_form_config('auth.xml')))
form_config = config.get_form('register_user')
form = Form(form_config,
csrf_token=request.session.get_csrf_token(),
translate=_)
# Do extra validation which is not handled by formbar.
# Is the login unique?
login_unique_validator = Validator(
'login', _('There is already a user with this '
'name'), is_login_unique)
pw_len_validator = Validator(
'pass', _('Password must be at least 12 characters '
'long.'), password_minlength_validator)
pw_nonchar_validator = Validator(
'pass', _('Password must contain at least 2 '
'non-letters.'), password_nonletter_validator)
form.add_validator(login_unique_validator)
form.add_validator(pw_len_validator)
form.add_validator(pw_nonchar_validator)
registration_complete = False
if request.POST:
if form.validate(request.params):
# 1. Create user. Do not activate him. Default role is user.
ufac = User.get_item_factory()
user = ufac.create(None, form.data)
# Set login from formdata
user.login = form.data['login']
# Encrypt password and save
user.password = encrypt_password(form.data['pass'])
# Deactivate the user. To activate the user needs to confirm
# with the activation link
user.activated = False
atoken = str(uuid.uuid4())
user.activation_token = atoken
# Set profile data
user.profile[0].email = form.data['_email']
# 2. Set user group
gfac = Usergroup.get_item_factory()
default_grps = settings.get("auth.register_user_default_groups",
str(USER_GROUP_ID))
for gid in [int(id) for id in default_grps.split(",")]:
group = gfac.load(gid)
user.groups.append(group)
# 3. Set user role
rfac = Role.get_item_factory()
default_roles = settings.get("auth.register_user_default_roles",
str(USER_ROLE_ID))
for rid in [int(id) for id in default_roles.split(",")]:
role = rfac.load(rid)
user.roles.append(role)
# Set default user group.
request.db.add(user)
# 4. Send confirmation email. The user will be activated
# after the user clicks on the confirmation link
mailer = Mailer(request)
recipient = user.profile[0].email
subject = _('Confirm user registration')
values = {
'url': request.route_url('confirm_user', token=atoken),
'app_name': get_app_title(),
'email': settings['mail.default_sender'],
'login': user.login,
'_': _
}
mail = Mail([recipient],
subject,
template="register_user",
values=values)
mailer.send(mail)
msg = _("User has been created and a confirmation mail was sent"
" to the users email adress. Please check your email.")
request.session.flash(msg, 'success')
registration_complete = True
return {'form': form.render(), 'complete': registration_complete}
def changepassword(request):
"""Method to change the users password by the user. The user user
musst provide his old and the new pasword. Users are only allowed to
change their own password."""
# Check authentification
# As this view has now security configured it is
# generally callable by all users. For this reason we first check if
# the user is authenticated. If the user is not authenticated the
# raise an 401 (unauthorized) exception.
if not request.user:
raise HTTPUnauthorized
clazz = User
handle_history(request)
handle_params(request)
_ = request.translate
rvalue = {}
# Load the item return 400 if the item can not be found.
id = request.matchdict.get('id')
factory = clazz.get_item_factory()
try:
item = factory.load(id, request.db)
# Check authorisation
# User are only allowed to set their own password.
if item.id != request.user.id:
raise HTTPForbidden()
except sa.orm.exc.NoResultFound:
raise HTTPBadRequest()
form = Form(get_form_config(item, 'changepassword'),
item, request.db, translate=_,
renderers={},
change_page_callback={'url': 'set_current_form_page',
'item': clazz.__tablename__,
'itemid': id},
request=request, csrf_token=request.session.get_csrf_token())
if request.POST:
mapping = {'item': item}
# Do extra validation which is not handled by formbar.
# Is the provided old password correct?
validator = Validator('oldpassword',
_('The given password is not correct'),
check_password)
pw_len_validator = Validator('password',
_('Password must be at least 12 '
'characters long.'),
password_minlength_validator)
pw_nonchar_validator = Validator('password',
_('Password must contain at least 2 '
'non-letters.'),
password_nonletter_validator)
form.add_validator(validator)
form.add_validator(pw_len_validator)
form.add_validator(pw_nonchar_validator)
if form.validate(request.params):
form.save()
# Actually save the password. This is not done in the form
# as the password needs to be encrypted.
encrypt_password_callback(request, item)
msg = _('Changed password for "${item}" successfull.',
mapping=mapping)
log.info(msg)
request.session.flash(msg, 'success')
route_name = get_action_routename(item, 'changepassword')
url = request.route_path(route_name, id=item.id)
# Invalidate cache
invalidate_cache()
return HTTPFound(location=url)
else:
msg = _('Error on changing the password for '
'"${item}".', mapping=mapping)
log.info(msg)
request.session.flash(msg, 'error')
rvalue['clazz'] = clazz
rvalue['item'] = item
rvalue['form'] = form.render(page=get_current_form_page(clazz, request))
return rvalue
def register_user(request):
settings = request.registry.settings
if not is_registration_enabled(settings):
raise exc.exception_response(503)
handle_history(request)
_ = request.translate
config = Config(load(get_path_to_form_config('auth.xml', 'ringo')))
form_config = config.get_form('register_user')
form = Form(form_config, csrf_token=request.session.get_csrf_token(),
translate=_)
# Do extra validation which is not handled by formbar.
# Is the login unique?
validator = Validator('login',
'There is already a user with this name',
is_login_unique)
form.add_validator(validator)
if request.POST:
if form.validate(request.params):
# 1. Create user. Do not activate him. Default role is user.
ufac = User.get_item_factory()
user = ufac.create(None, form.data)
# Set login from formdata
user.login = form.data['login']
# Encrypt password and save
user.password = encrypt_password(form.data['pass'])
# Deactivate the user. To activate the user needs to confirm
# with the activation link
user.activated = False
atoken = str(uuid.uuid4())
user.activation_token = atoken
# Set profile data
user.profile[0].email = form.data['_email']
# 2. Set user group
gfac = Usergroup.get_item_factory()
group = gfac.load(USER_GROUP_ID)
user.groups.append(group)
# 3. Set user role
rfac = Role.get_item_factory()
role = rfac.load(USER_ROLE_ID)
user.roles.append(role)
# Set default user group.
request.db.add(user)
# 4. Send confirmation email. The user will be activated
# after the user clicks on the confirmation link
mailer = Mailer(request)
recipient = user.profile[0].email
subject = _('Confirm user registration')
values = {'url': request.route_url('confirm_user', token=atoken),
'app_name': get_app_title(),
'email': settings['mail.default_sender'],
'_': _}
mail = Mail([recipient], subject, template="register_user", values=values)
mailer.send(mail)
target_url = request.route_path('login')
headers = forget(request)
msg = _("User has been created and a confirmation mail was sent"
" to the users email adress. Please check your email.")
request.session.flash(msg, 'success')
return HTTPFound(location=target_url, headers=headers)
return {'form': form.render()}
class TestFormValidation(unittest.TestCase):
def setUp(self):
tree = load(os.path.join(test_dir, 'form.xml'))
config = Config(tree)
form_config = config.get_form('customform')
self.form = Form(form_config)
def test_form_init(self):
pass
def test_form_unknown_field(self):
values = {'unknown': 'test', 'integer': '15', 'date': '1998-02-01'}
self.form.validate(values)
# Check that the unknown field has been filtered out as it was
# not part of the form.
self.assertEqual(self.form.data.has_key('unknown'), False)
def test_form_validate_fail(self):
values = {'default': 'test', 'integer': '15', 'date': '1998-02-01'}
self.assertEqual(self.form.validate(values), False)
def test_form_validate_fail_checkvalues(self):
values = {'default': 'test', 'integer': '15', 'date': '1998-02-01'}
self.assertEqual(self.form.validate(values), False)
self.assertEqual(self.form.submitted_data['integer'], '15')
self.assertEqual(self.form.submitted_data['date'], '1998-02-01')
def test_form_validate_ok(self):
values = {'default': 'test', 'integer': '16', 'date': '1998-02-01'}
validator = Validator('integer',
'Error message',
external_validator)
self.form.add_validator(validator)
self.assertEqual(self.form.validate(values), True)
def test_form_validate_ext_validator_fail(self):
values = {'default': 'test', 'integer': '15', 'date': '1998-02-01'}
validator = Validator('integer',
'Error message',
external_validator)
self.form.add_validator(validator)
self.assertEqual(self.form.validate(values), False)
def test_form_validate_ext_validator_ok(self):
values = {'default': 'test', 'integer': '16', 'date': '1998-02-01'}
self.assertEqual(self.form.validate(values), True)
def test_form_deserialize_int(self):
values = {'default': 'test', 'integer': '16', 'date': '1998-02-01'}
self.form.validate(values)
self.assertEqual(self.form.data['integer'], 16)
def test_form_deserialize_float(self):
values = {'default': 'test', 'integer': '16',
'date': '1998-02-01', 'float': '87.5'}
self.assertEqual(self.form.validate(values), True)
self.assertEqual(self.form.data['float'], 87.5)
def test_form_deserialize_date(self):
values = {'default': 'test', 'integer': '16',
'float': '87.5', 'date': '1998-02-01'}
self.form.validate(values)
self.assertEqual(self.form.data['date'], datetime.date(1998, 2, 1))
def test_form_deserialize_string(self):
values = {'default': 'test', 'integer': '16', 'date': '1998-02-01', 'float': '99'}
self.form.validate(values)
self.assertEqual(self.form.data['default'], 'test')
def test_form_deserialize_time(self):
values = {'default': 'test', 'integer': '16', 'date': '1998-02-01', 'float': '99', 'time': '00:12:11'}
self.form.validate(values)
self.assertEqual(self.form.data['time'], 731)
def test_form_deserialize_interval(self):
values = {'default': 'test', 'integer': '16', 'date': '1998-02-01', 'float': '99', 'interval': '00:12:11'}
self.form.validate(values)
self.assertEqual(self.form.data['interval'], datetime.timedelta(0, 731))
def test_form_convert_interval_ok(self):
values = {'default': 'test', 'integer': '16', 'date': '1998-02-01', 'float': '99', 'interval': '01:12'}
self.form.validate(values)
self.assertEqual(self.form.data['interval'], datetime.timedelta(hours=1, minutes=12))
def test_form_convert_interval_false(self):
values = {'default': 'test', 'integer': '16', 'date': '1998-02-01', 'float': '99', 'interval': '00:12:11'}
self.form.validate(values)
self.assertEqual(self.form.data['interval'] == datetime.timedelta(1), False)
def test_form_convert_interval_mm_ok(self):
values = {'default': 'test', 'integer': '16', 'date': '1998-02-01', 'float': '99', 'interval': '12'}
self.form.validate(values)
self.assertEqual(self.form.data['interval'], datetime.timedelta(minutes=12))
def test_form_save(self):
values = {'default': 'test', 'integer': '16', 'date': '1998-02-01'}
self.assertEqual(self.form.validate(values), True)
def test_form_warnings(self):
values = {'select': '2', 'default': 'test', 'integer': '16', 'date': '1998-02-01'}
self.form.validate(values)
warnings = self.form.get_warnings()
self.assertEqual(len(warnings), 2)
def test_form_save_without_validation(self):
self.assertRaises(StateError, self.form.save)
def test_form_fields(self):
self.assertEqual(len(self.form.fields.values()), 9)
def test_form_field_select_options(self):
selfield = self.form.get_field('select')
self.assertEqual(len(selfield.get_options()), 4)
def test_generated_rules(self):
num_rules = 0
fields = self.form.fields
for field in fields:
num_rules += len(self.form.get_field(field).get_rules())
self.assertEqual(num_rules, 5)
def test_generated_warning_rules(self):
num_rules = 0
fields = self.form.fields
for fieldname in fields:
field = self.form.get_field(fieldname)
rules = [r for r in field.get_rules() if r.triggers=="warning"]
num_rules += len(rules)
self.assertEqual(num_rules, 2)
def test_generated_error_rules(self):
num_rules = 0
fields = self.form.fields
for fieldname in fields:
field = self.form.get_field(fieldname)
rules = [r for r in field.get_rules() if r.triggers=="error"]
num_rules += len(rules)
self.assertEqual(num_rules, 3)
class TestFormValidation(unittest.TestCase):
def setUp(self):
tree = load(os.path.join(test_dir, 'form.xml'))
config = Config(tree)
form_config = config.get_form('customform')
self.form = Form(form_config)
def test_form_init(self):
pass
def test_form_unknown_field(self):
values = {'unknown': 'test', 'integer': '15', 'date': '1998-02-01'}
self.form.validate(values)
# Check that the unknown field has been filtered out as it was
# not part of the form.
self.assertEqual(self.form.data.has_key('unknown'), False)
def test_form_validate_fail(self):
values = {'default': 'test', 'integer': '15', 'date': '1998-02-01'}
self.assertEqual(self.form.validate(values), False)
def test_form_validate_fail_checkvalues(self):
values = {'default': 'test', 'integer': '15', 'date': '1998-02-01'}
self.assertEqual(self.form.validate(values), False)
self.assertEqual(self.form.submitted_data['integer'], '15')
self.assertEqual(self.form.submitted_data['date'], '1998-02-01')
def test_form_validate_ok(self):
values = {'default': 'test', 'integer': '16', 'date': '1998-02-01'}
validator = Validator('integer', 'Error message', external_validator)
self.form.add_validator(validator)
self.assertEqual(self.form.validate(values), True)
def test_form_validate_ext_validator_fail(self):
values = {'default': 'test', 'integer': '15', 'date': '1998-02-01'}
validator = Validator('integer', 'Error message', external_validator)
self.form.add_validator(validator)
self.assertEqual(self.form.validate(values), False)
def test_form_validate_ext_validator_ok(self):
values = {'default': 'test', 'integer': '16', 'date': '1998-02-01'}
self.assertEqual(self.form.validate(values), True)
def test_form_deserialize_int(self):
values = {'default': 'test', 'integer': '16', 'date': '1998-02-01'}
self.form.validate(values)
self.assertEqual(self.form.data['integer'], 16)
def test_form_deserialize_float(self):
values = {
'default': 'test',
'integer': '16',
'date': '1998-02-01',
'float': '87.5'
}
self.assertEqual(self.form.validate(values), True)
self.assertEqual(self.form.data['float'], 87.5)
def test_form_deserialize_date(self):
values = {
'default': 'test',
'integer': '16',
'float': '87.5',
'date': '1998-02-01'
}
self.form.validate(values)
self.assertEqual(self.form.data['date'], datetime.date(1998, 2, 1))
def test_form_deserialize_string(self):
values = {
'default': 'test',
'integer': '16',
'date': '1998-02-01',
'float': '99'
}
self.form.validate(values)
self.assertEqual(self.form.data['default'], 'test')
def test_form_deserialize_time(self):
values = {
'default': 'test',
'integer': '16',
'date': '1998-02-01',
'float': '99',
'time': '00:12:11'
}
self.form.validate(values)
self.assertEqual(self.form.data['time'], 731)
def test_form_deserialize_interval(self):
values = {
'default': 'test',
'integer': '16',
'date': '1998-02-01',
'float': '99',
'interval': '00:12:11'
}
self.form.validate(values)
self.assertEqual(self.form.data['interval'],
datetime.timedelta(0, 731))
def test_form_convert_interval_ok(self):
values = {
'default': 'test',
'integer': '16',
'date': '1998-02-01',
'float': '99',
'interval': '01:12'
}
self.form.validate(values)
self.assertEqual(self.form.data['interval'],
datetime.timedelta(hours=1, minutes=12))
def test_form_convert_interval_false(self):
values = {
'default': 'test',
'integer': '16',
'date': '1998-02-01',
'float': '99',
'interval': '00:12:11'
}
self.form.validate(values)
self.assertEqual(self.form.data['interval'] == datetime.timedelta(1),
False)
def test_form_convert_interval_mm_ok(self):
values = {
'default': 'test',
'integer': '16',
'date': '1998-02-01',
'float': '99',
'interval': '12'
}
self.form.validate(values)
self.assertEqual(self.form.data['interval'],
datetime.timedelta(minutes=12))
def test_form_save(self):
values = {'default': 'test', 'integer': '16', 'date': '1998-02-01'}
self.assertEqual(self.form.validate(values), True)
def test_form_warnings(self):
values = {
'select': '2',
'default': 'test',
'integer': '16',
'date': '1998-02-01'
}
self.form.validate(values)
warnings = self.form.get_warnings()
self.assertEqual(len(warnings), 2)
def test_form_save_without_validation(self):
self.assertRaises(StateError, self.form.save)
def test_form_fields(self):
self.assertEqual(len(self.form.fields.values()), 9)
def test_form_field_select_options(self):
selfield = self.form.get_field('select')
self.assertEqual(len(selfield.get_options()), 4)
def test_generated_rules(self):
num_rules = 0
fields = self.form.fields
for field in fields:
num_rules += len(self.form.get_field(field).get_rules())
self.assertEqual(num_rules, 5)
def test_generated_warning_rules(self):
num_rules = 0
fields = self.form.fields
for fieldname in fields:
field = self.form.get_field(fieldname)
rules = [r for r in field.get_rules() if r.triggers == "warning"]
num_rules += len(rules)
self.assertEqual(num_rules, 2)
def test_generated_error_rules(self):
num_rules = 0
fields = self.form.fields
for fieldname in fields:
field = self.form.get_field(fieldname)
rules = [r for r in field.get_rules() if r.triggers == "error"]
num_rules += len(rules)
self.assertEqual(num_rules, 3)