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#!/usr/bin/env python
from unittest import TestCase
from wtforms.validators import (
StopValidation, ValidationError, email, equal_to,
ip_address, length, required, optional, regexp,
url, NumberRange, AnyOf, NoneOf, mac_address, UUID
)
from functools import partial
class DummyTranslations(object):
def gettext(self, string):
return string
def ngettext(self, singular, plural, n):
if n == 1:
return singular
return plural
class DummyForm(dict):
pass
class DummyField(object):
_translations = DummyTranslations()
def __init__(self, data, errors=(), raw_data=None):
self.data = data
self.errors = list(errors)
self.raw_data = raw_data
def gettext(self, string):
return self._translations.gettext(string)
def ngettext(self, singular, plural, n):
return self._translations.ngettext(singular, plural, n)
def grab_error_message(callable, form, field):
try:
callable(form, field)
except ValidationError, e:
return e.args[0]
class ValidatorsTest(TestCase):
def setUp(self):
self.form = DummyForm()
def test_email(self):
self.assertEqual(email()(self.form, DummyField('foo@bar.dk')), None)
self.assertEqual(email()(self.form, DummyField('123@bar.dk')), None)
self.assertEqual(email()(self.form, DummyField('foo@456.dk')), None)
self.assertEqual(email()(self.form, DummyField('foo@bar456.info')), None)
self.assertRaises(ValidationError, email(), self.form, DummyField(None))
self.assertRaises(ValidationError, email(), self.form, DummyField(''))
self.assertRaises(ValidationError, email(), self.form, DummyField('foo'))
self.assertRaises(ValidationError, email(), self.form, DummyField('bar.dk'))
self.assertRaises(ValidationError, email(), self.form, DummyField('foo@'))
self.assertRaises(ValidationError, email(), self.form, DummyField('@bar.dk'))
self.assertRaises(ValidationError, email(), self.form, DummyField('foo@bar'))
self.assertRaises(ValidationError, email(), self.form, DummyField('foo@bar.ab12'))
self.assertRaises(ValidationError, email(), self.form, DummyField('foo@.bar.ab'))
def test_equal_to(self):
self.form['foo'] = DummyField('test')
self.assertEqual(equal_to('foo')(self.form, self.form['foo']), None)
self.assertRaises(ValidationError, equal_to('invalid_field_name'), self.form, DummyField('test'))
self.assertRaises(ValidationError, equal_to('foo'), self.form, DummyField('different_value'))
def test_ip_address(self):
self.assertEqual(ip_address()(self.form, DummyField('127.0.0.1')), None)
self.assertRaises(ValidationError, ip_address(), self.form, DummyField('abc.0.0.1'))
self.assertRaises(ValidationError, ip_address(), self.form, DummyField('1278.0.0.1'))
self.assertRaises(ValidationError, ip_address(), self.form, DummyField('127.0.0.abc'))
def test_mac_address(self):
self.assertEqual(mac_address()(self.form,
DummyField('01:23:45:67:ab:CD')), None)
check_fail = partial(
self.assertRaises, ValidationError,
mac_address(), self.form
)
check_fail(DummyField('00:00:00:00:00'))
check_fail(DummyField('01:23:45:67:89:'))
check_fail(DummyField('01:23:45:67:89:gh'))
check_fail(DummyField('123:23:45:67:89:00'))
def test_uuid(self):
self.assertEqual(UUID()(self.form, DummyField(
'2bc1c94f-0deb-43e9-92a1-4775189ec9f8')), None)
self.assertRaises(ValidationError, UUID(), self.form,
DummyField('2bc1c94f-deb-43e9-92a1-4775189ec9f8'))
self.assertRaises(ValidationError, UUID(), self.form,
DummyField('2bc1c94f-0deb-43e9-92a1-4775189ec9f'))
self.assertRaises(ValidationError, UUID(), self.form,
DummyField('gbc1c94f-0deb-43e9-92a1-4775189ec9f8'))
self.assertRaises(ValidationError, UUID(), self.form,
DummyField('2bc1c94f 0deb-43e9-92a1-4775189ec9f8'))
def test_length(self):
field = DummyField('foobar')
self.assertEqual(length(min=2, max=6)(self.form, field), None)
self.assertRaises(ValidationError, length(min=7), self.form, field)
self.assertEqual(length(min=6)(self.form, field), None)
self.assertRaises(ValidationError, length(max=5), self.form, field)
self.assertEqual(length(max=6)(self.form, field), None)
self.assertRaises(AssertionError, length)
self.assertRaises(AssertionError, length, min=5, max=2)
# Test new formatting features
grab = lambda **k : grab_error_message(length(**k), self.form, field)
self.assertEqual(grab(min=2, max=5, message='%(min)d and %(max)d'), '2 and 5')
self.assert_('at least 8' in grab(min=8))
self.assert_('longer than 5' in grab(max=5))
self.assert_('between 2 and 5' in grab(min=2, max=5))
def test_required(self):
self.assertEqual(required()(self.form, DummyField('foobar')), None)
self.assertRaises(StopValidation, required(), self.form, DummyField(''))
self.assertRaises(StopValidation, required(), self.form, DummyField(' '))
self.assertEqual(required().field_flags, ('required', ))
f = DummyField('', ['Invalid Integer Value'])
self.assertEqual(len(f.errors), 1)
self.assertRaises(StopValidation, required(), self.form, f)
self.assertEqual(len(f.errors), 0)
def test_optional(self):
self.assertEqual(optional()(self.form, DummyField('foobar', raw_data=['foobar'])), None)
self.assertRaises(StopValidation, optional(), self.form, DummyField('', raw_data=['']))
self.assertRaises(StopValidation, optional(), self.form, DummyField(' ', raw_data=[' ']))
self.assertEqual(optional().field_flags, ('optional', ))
f = DummyField('', ['Invalid Integer Value'], raw_data=[''])
self.assertEqual(len(f.errors), 1)
self.assertRaises(StopValidation, optional(), self.form, f)
self.assertEqual(len(f.errors), 0)
def test_regexp(self):
import re
# String regexp
self.assertEqual(regexp('^a')(self.form, DummyField('abcd')), None)
self.assertEqual(regexp('^a', re.I)(self.form, DummyField('ABcd')), None)
self.assertRaises(ValidationError, regexp('^a'), self.form, DummyField('foo'))
self.assertRaises(ValidationError, regexp('^a'), self.form, DummyField(None))
# Compiled regexp
self.assertEqual(regexp(re.compile('^a'))(self.form, DummyField('abcd')), None)
self.assertEqual(regexp(re.compile('^a', re.I))(self.form, DummyField('ABcd')), None)
self.assertRaises(ValidationError, regexp(re.compile('^a')), self.form, DummyField('foo'))
self.assertRaises(ValidationError, regexp(re.compile('^a')), self.form, DummyField(None))
def test_url(self):
self.assertEqual(url()(self.form, DummyField('http://foobar.dk')), None)
self.assertEqual(url()(self.form, DummyField('http://foobar.dk/')), None)
self.assertEqual(url()(self.form, DummyField('http://foobar.museum/foobar')), None)
self.assertEqual(url()(self.form, DummyField('http://127.0.0.1/foobar')), None)
self.assertEqual(url()(self.form, DummyField('http://127.0.0.1:9000/fake')), None)
self.assertEqual(url(require_tld=False)(self.form, DummyField('http://localhost/foobar')), None)
self.assertEqual(url(require_tld=False)(self.form, DummyField('http://foobar')), None)
self.assertRaises(ValidationError, url(), self.form, DummyField('http://foobar'))
self.assertRaises(ValidationError, url(), self.form, DummyField('foobar.dk'))
self.assertRaises(ValidationError, url(), self.form, DummyField('http://127.0.0/asdf'))
self.assertRaises(ValidationError, url(), self.form, DummyField('http://foobar.d'))
self.assertRaises(ValidationError, url(), self.form, DummyField('http://foobar.12'))
self.assertRaises(ValidationError, url(), self.form, DummyField('http://localhost:abc/a'))
def test_number_range(self):
v = NumberRange(min=5, max=10)
self.assertEqual(v(self.form, DummyField(7)), None)
self.assertRaises(ValidationError, v, self.form, DummyField(None))
self.assertRaises(ValidationError, v, self.form, DummyField(0))
self.assertRaises(ValidationError, v, self.form, DummyField(12))
self.assertRaises(ValidationError, v, self.form, DummyField(-5))
onlymin = NumberRange(min=5)
self.assertEqual(onlymin(self.form, DummyField(500)), None)
self.assertRaises(ValidationError, onlymin, self.form, DummyField(4))
onlymax = NumberRange(max=50)
self.assertEqual(onlymax(self.form, DummyField(30)), None)
self.assertRaises(ValidationError, onlymax, self.form, DummyField(75))
def test_lazy_proxy(self):
"""Tests that the validators support lazy translation strings for messages."""
class ReallyLazyProxy(object):
def __unicode__(self):
raise Exception('Translator function called during form declaration: it should be called at response time.')
__str__ = __unicode__
message = ReallyLazyProxy()
self.assertRaises(Exception, str, message)
self.assertRaises(Exception, unicode, message)
self.assert_(equal_to('fieldname', message=message))
self.assert_(length(min=1, message=message))
self.assert_(NumberRange(1,5, message=message))
self.assert_(required(message=message))
self.assert_(regexp('.+', message=message))
self.assert_(email(message=message))
self.assert_(ip_address(message=message))
self.assert_(url(message=message))
def test_any_of(self):
self.assertEqual(AnyOf(['a', 'b', 'c'])(self.form, DummyField('b')), None)
self.assertRaises(ValueError, AnyOf(['a', 'b', 'c']), self.form, DummyField(None))
def test_none_of(self):
self.assertEqual(NoneOf(['a', 'b', 'c'])(self.form, DummyField('d')), None)
self.assertRaises(ValueError, NoneOf(['a', 'b', 'c']), self.form, DummyField('a'))
if __name__ == '__main__':
from unittest import main
main()
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