Fixed #5441 -- Added tests for django.contrib.formtools. Thanks, simeon.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@6734 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/contrib/formtools/models.py

@@ -0,0 +1 @@
+""" models.py (even empty) currently required by the runtests.py to enable unit tests """

django/contrib/formtools/test_urls.py

@@ -0,0 +1,12 @@
+"""
+
+This is a urlconf to be loaded by tests.py. Add any urls needed
+for tests only.
+
+"""
+from django.conf.urls.defaults import *
+from django.contrib.formtools.tests import *
+
+urlpatterns = patterns('',
+                       (r'^test1/', TestFormPreview(TestForm)),
+                      )

django/contrib/formtools/tests.py

@@ -0,0 +1,93 @@
+from django import newforms as forms
+from django.contrib.formtools import preview
+from django import http
+from django.conf import settings
+from django.test import TestCase
+from django.test.client import Client
+
+
+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):
+
+    def setUp(self):
+        settings.ROOT_URLCONF = 'django.contrib.formtools.test_urls'
+        # 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)
+
+
+if __name__ == '__main__':
+    unittest.main()