django1/django/contrib/formtools/tests/__init__.py

426 lines
15 KiB
Python

import os
from django import forms, http
from django.conf import settings
from django.contrib.formtools import preview, wizard, utils
from django.test import TestCase
from django.utils import unittest
success_string = "Done was called!"
class TestFormPreview(preview.FormPreview):
def get_context(self, request, form):
context = super(TestFormPreview, self).get_context(request, form)
context.update({'custom_context': True})
return context
def get_initial(self, request):
return {'field1': 'Works!'}
def done(self, request, cleaned_data):
return http.HttpResponse(success_string)
class TestForm(forms.Form):
field1 = forms.CharField()
field1_ = forms.CharField()
bool1 = forms.BooleanField(required=False)
class UserSecuredFormPreview(TestFormPreview):
"""
FormPreview with a custum security_hash method
"""
def security_hash(self, request, form):
return "123"
class PreviewTests(TestCase):
urls = 'django.contrib.formtools.tests.urls'
def setUp(self):
# Create a FormPreview instance to share between tests
self.preview = preview.FormPreview(TestForm)
input_template = '<input type="hidden" name="%s" value="%s" />'
self.input = input_template % (self.preview.unused_name('stage'), "%d")
self.test_data = {'field1':u'foo', 'field1_':u'asdf'}
def test_unused_name(self):
"""
Verifies name mangling to get uniue field name.
"""
self.assertEqual(self.preview.unused_name('field1'), 'field1__')
def test_form_get(self):
"""
Test contrib.formtools.preview form retrieval.
Use the client library to see if we can sucessfully retrieve
the form (mostly testing the setup ROOT_URLCONF
process). Verify that an additional hidden input field
is created to manage the stage.
"""
response = self.client.get('/test1/')
stage = self.input % 1
self.assertContains(response, stage, 1)
self.assertEquals(response.context['custom_context'], True)
self.assertEquals(response.context['form'].initial, {'field1': 'Works!'})
def test_form_preview(self):
"""
Test contrib.formtools.preview form preview rendering.
Use the client library to POST to the form to see if a preview
is returned. If we do get a form back check that the hidden
value is correctly managing the state of the form.
"""
# Pass strings for form submittal and add stage variable to
# show we previously saw first stage of the form.
self.test_data.update({'stage': 1})
response = self.client.post('/test1/', self.test_data)
# Check to confirm stage is set to 2 in output form.
stage = self.input % 2
self.assertContains(response, stage, 1)
def test_form_submit(self):
"""
Test contrib.formtools.preview form submittal.
Use the client library to POST to the form with stage set to 3
to see if our forms done() method is called. Check first
without the security hash, verify failure, retry with security
hash and verify sucess.
"""
# Pass strings for form submittal and add stage variable to
# show we previously saw first stage of the form.
self.test_data.update({'stage':2})
response = self.client.post('/test1/', self.test_data)
self.assertNotEqual(response.content, success_string)
hash = self.preview.security_hash(None, TestForm(self.test_data))
self.test_data.update({'hash': hash})
response = self.client.post('/test1/', self.test_data)
self.assertEqual(response.content, success_string)
def test_bool_submit(self):
"""
Test contrib.formtools.preview form submittal when form contains:
BooleanField(required=False)
Ticket: #6209 - When an unchecked BooleanField is previewed, the preview
form's hash would be computed with no value for ``bool1``. However, when
the preview form is rendered, the unchecked hidden BooleanField would be
rendered with the string value 'False'. So when the preview form is
resubmitted, the hash would be computed with the value 'False' for
``bool1``. We need to make sure the hashes are the same in both cases.
"""
self.test_data.update({'stage':2})
hash = self.preview.security_hash(None, TestForm(self.test_data))
self.test_data.update({'hash':hash, 'bool1':u'False'})
response = self.client.post('/test1/', self.test_data)
self.assertEqual(response.content, success_string)
def test_form_submit_django12_hash(self):
"""
Test contrib.formtools.preview form submittal, using the hash function
used in Django 1.2
"""
# Pass strings for form submittal and add stage variable to
# show we previously saw first stage of the form.
self.test_data.update({'stage':2})
response = self.client.post('/test1/', self.test_data)
self.assertNotEqual(response.content, success_string)
hash = utils.security_hash(None, TestForm(self.test_data))
self.test_data.update({'hash': hash})
response = self.client.post('/test1/', self.test_data)
self.assertEqual(response.content, success_string)
def test_form_submit_django12_hash_custom_hash(self):
"""
Test contrib.formtools.preview form submittal, using the hash function
used in Django 1.2 and a custom security_hash method.
"""
# Pass strings for form submittal and add stage variable to
# show we previously saw first stage of the form.
self.test_data.update({'stage':2})
response = self.client.post('/test2/', self.test_data)
self.assertEqual(response.status_code, 200)
self.assertNotEqual(response.content, success_string)
hash = utils.security_hash(None, TestForm(self.test_data))
self.test_data.update({'hash': hash})
response = self.client.post('/test2/', self.test_data)
self.assertNotEqual(response.content, success_string)
class SecurityHashTests(unittest.TestCase):
def test_textfield_hash(self):
"""
Regression test for #10034: the hash generation function should ignore
leading/trailing whitespace so as to be friendly to broken browsers that
submit it (usually in textareas).
"""
f1 = HashTestForm({'name': 'joe', 'bio': 'Nothing notable.'})
f2 = HashTestForm({'name': ' joe', 'bio': 'Nothing notable. '})
hash1 = utils.security_hash(None, f1)
hash2 = utils.security_hash(None, f2)
self.assertEqual(hash1, hash2)
def test_empty_permitted(self):
"""
Regression test for #10643: the security hash should allow forms with
empty_permitted = True, or forms where data has not changed.
"""
f1 = HashTestBlankForm({})
f2 = HashTestForm({}, empty_permitted=True)
hash1 = utils.security_hash(None, f1)
hash2 = utils.security_hash(None, f2)
self.assertEqual(hash1, hash2)
class FormHmacTests(unittest.TestCase):
"""
Same as SecurityHashTests, but with form_hmac
"""
def test_textfield_hash(self):
"""
Regression test for #10034: the hash generation function should ignore
leading/trailing whitespace so as to be friendly to broken browsers that
submit it (usually in textareas).
"""
f1 = HashTestForm({'name': 'joe', 'bio': 'Nothing notable.'})
f2 = HashTestForm({'name': ' joe', 'bio': 'Nothing notable. '})
hash1 = utils.form_hmac(f1)
hash2 = utils.form_hmac(f2)
self.assertEqual(hash1, hash2)
def test_empty_permitted(self):
"""
Regression test for #10643: the security hash should allow forms with
empty_permitted = True, or forms where data has not changed.
"""
f1 = HashTestBlankForm({})
f2 = HashTestForm({}, empty_permitted=True)
hash1 = utils.form_hmac(f1)
hash2 = utils.form_hmac(f2)
self.assertEqual(hash1, hash2)
class HashTestForm(forms.Form):
name = forms.CharField()
bio = forms.CharField()
class HashTestBlankForm(forms.Form):
name = forms.CharField(required=False)
bio = forms.CharField(required=False)
#
# FormWizard tests
#
class WizardPageOneForm(forms.Form):
field = forms.CharField()
class WizardPageTwoForm(forms.Form):
field = forms.CharField()
class WizardPageTwoAlternativeForm(forms.Form):
field = forms.CharField()
class WizardPageThreeForm(forms.Form):
field = forms.CharField()
class WizardClass(wizard.FormWizard):
def get_template(self, step):
return 'formwizard/wizard.html'
def done(self, request, cleaned_data):
return http.HttpResponse(success_string)
class UserSecuredWizardClass(WizardClass):
"""
Wizard with a custum security_hash method
"""
def security_hash(self, request, form):
return "123"
class DummyRequest(http.HttpRequest):
def __init__(self, POST=None):
super(DummyRequest, self).__init__()
self.method = POST and "POST" or "GET"
if POST is not None:
self.POST.update(POST)
self._dont_enforce_csrf_checks = True
class WizardTests(TestCase):
urls = 'django.contrib.formtools.tests.urls'
def setUp(self):
self.old_TEMPLATE_DIRS = settings.TEMPLATE_DIRS
settings.TEMPLATE_DIRS = (
os.path.join(
os.path.dirname(__file__),
'templates'
),
)
# Use a known SECRET_KEY to make security_hash tests deterministic
self.old_SECRET_KEY = settings.SECRET_KEY
settings.SECRET_KEY = "123"
def tearDown(self):
settings.TEMPLATE_DIRS = self.old_TEMPLATE_DIRS
settings.SECRET_KEY = self.old_SECRET_KEY
def test_step_starts_at_zero(self):
"""
step should be zero for the first form
"""
response = self.client.get('/wizard/')
self.assertEquals(0, response.context['step0'])
def test_step_increments(self):
"""
step should be incremented when we go to the next page
"""
response = self.client.post('/wizard/', {"0-field":"test", "wizard_step":"0"})
self.assertEquals(1, response.context['step0'])
def test_bad_hash(self):
"""
Form should not advance if the hash is missing or bad
"""
response = self.client.post('/wizard/',
{"0-field":"test",
"1-field":"test2",
"wizard_step": "1"})
self.assertEquals(0, response.context['step0'])
def test_good_hash_django12(self):
"""
Form should advance if the hash is present and good, as calculated using
django 1.2 method.
"""
# We are hard-coding a hash value here, but that is OK, since we want to
# ensure that we don't accidentally change the algorithm.
data = {"0-field": "test",
"1-field": "test2",
"hash_0": "2fdbefd4c0cad51509478fbacddf8b13",
"wizard_step": "1"}
response = self.client.post('/wizard/', data)
self.assertEquals(2, response.context['step0'])
def test_good_hash_django12_subclass(self):
"""
The Django 1.2 method of calulating hashes should *not* be used as a
fallback if the FormWizard subclass has provided their own method
of calculating a hash.
"""
# We are hard-coding a hash value here, but that is OK, since we want to
# ensure that we don't accidentally change the algorithm.
data = {"0-field": "test",
"1-field": "test2",
"hash_0": "2fdbefd4c0cad51509478fbacddf8b13",
"wizard_step": "1"}
response = self.client.post('/wizard2/', data)
self.assertEquals(0, response.context['step0'])
def test_good_hash_current(self):
"""
Form should advance if the hash is present and good, as calculated using
current method.
"""
data = {"0-field": "test",
"1-field": "test2",
"hash_0": "7e9cea465f6a10a6fb47fcea65cb9a76350c9a5c",
"wizard_step": "1"}
response = self.client.post('/wizard/', data)
self.assertEquals(2, response.context['step0'])
def test_14498(self):
"""
Regression test for ticket #14498. All previous steps' forms should be
validated.
"""
reached = [False]
that = self
class WizardWithProcessStep(WizardClass):
def process_step(self, request, form, step):
that.assertTrue(hasattr(form, 'cleaned_data'))
reached[0] = True
wizard = WizardWithProcessStep([WizardPageOneForm,
WizardPageTwoForm,
WizardPageThreeForm])
data = {"0-field": "test",
"1-field": "test2",
"hash_0": "7e9cea465f6a10a6fb47fcea65cb9a76350c9a5c",
"wizard_step": "1"}
wizard(DummyRequest(POST=data))
self.assertTrue(reached[0])
def test_14576(self):
"""
Regression test for ticket #14576.
The form of the last step is not passed to the done method.
"""
reached = [False]
that = self
class Wizard(WizardClass):
def done(self, request, form_list):
reached[0] = True
that.assertTrue(len(form_list) == 2)
wizard = Wizard([WizardPageOneForm,
WizardPageTwoForm])
data = {"0-field": "test",
"1-field": "test2",
"hash_0": "7e9cea465f6a10a6fb47fcea65cb9a76350c9a5c",
"wizard_step": "1"}
wizard(DummyRequest(POST=data))
self.assertTrue(reached[0])
def test_15075(self):
"""
Regression test for ticket #15075. Allow modifying wizard's form_list
in process_step.
"""
reached = [False]
that = self
class WizardWithProcessStep(WizardClass):
def process_step(self, request, form, step):
if step == 0:
self.form_list[1] = WizardPageTwoAlternativeForm
if step == 1:
that.assertTrue(isinstance(form, WizardPageTwoAlternativeForm))
reached[0] = True
wizard = WizardWithProcessStep([WizardPageOneForm,
WizardPageTwoForm,
WizardPageThreeForm])
data = {"0-field": "test",
"1-field": "test2",
"hash_0": "7e9cea465f6a10a6fb47fcea65cb9a76350c9a5c",
"wizard_step": "1"}
wizard(DummyRequest(POST=data))
self.assertTrue(reached[0])