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from django import forms
from django.contrib.formtools import preview
from django import http
from django.test import TestCase
success_string = "Done was called!"
test_data = {'field1': u'foo',
'field1_': u'asdf'}
class TestFormPreview(preview.FormPreview):
def done(self, request, cleaned_data):
return http.HttpResponse(success_string)
class TestForm(forms.Form):
field1 = forms.CharField()
field1_ = forms.CharField()
class PreviewTests(TestCase):
urls = 'django.contrib.formtools.test_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")
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)
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.
test_data.update({'stage': 1})
response = self.client.post('/test1/', 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.
test_data.update({'stage': 2})
response = self.client.post('/test1/', test_data)
self.failIfEqual(response.content, success_string)
hash = self.preview.security_hash(None, TestForm(test_data))
test_data.update({'hash': hash})
response = self.client.post('/test1/', test_data)
self.assertEqual(response.content, success_string)
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