Fixed #6893: `FormWizard` now properly updates its `step` value. Thanks, siddhi and wamberg.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@8603 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/contrib/formtools/tests.py

@@ -1,5 +1,5 @@
 from django import forms
-from django.contrib.formtools import preview
+from django.contrib.formtools import preview, wizard
 from django import http
 from django.test import TestCase
 
@@ -101,3 +101,44 @@ class PreviewTests(TestCase):
         response = self.client.post('/test1/', self.test_data)
         self.assertEqual(response.content, success_string)
 
+#
+# FormWizard tests
+#
+
+class WizardPageOneForm(forms.Form):
+    field = forms.CharField()
+
+class WizardPageTwoForm(forms.Form):
+    field = forms.CharField()
+
+class WizardClass(wizard.FormWizard):
+    def render_template(self, *args, **kw):
+        return ""
+
+    def done(self, request, cleaned_data):
+        return http.HttpResponse(success_string)
+
+class DummyRequest(object):
+    def __init__(self, POST=None):
+        self.method = POST and "POST" or "GET"
+        self.POST = POST
+
+class WizardTests(TestCase):
+    def test_step_starts_at_zero(self):
+        """
+        step should be zero for the first form
+        """
+        wizard = WizardClass([WizardPageOneForm, WizardPageTwoForm])
+        request = DummyRequest()
+        wizard(request)
+        self.assertEquals(0, wizard.step)
+
+    def test_step_increments(self):
+        """
+        step should be incremented when we go to the next page
+        """
+        wizard = WizardClass([WizardPageOneForm, WizardPageTwoForm])
+        request = DummyRequest(POST={"0-field":"test", "wizard_step":"0"})
+        response = wizard(request)
+        self.assertEquals(1, wizard.step)
+

django/contrib/formtools/wizard.py

@@ -92,7 +92,7 @@ class FormWizard(object):
             # Otherwise, move along to the next step.
             else:
                 form = self.get_form(next_step)
-                current_step = next_step
+                self.step = current_step = next_step
 
         return self.render(form, request, current_step)
 
@@ -203,7 +203,7 @@ class FormWizard(object):
         """
         context = context or {}
         context.update(self.extra_context)
-        return render_to_response(self.get_template(self.step), dict(context,
+        return render_to_response(self.get_template(step), dict(context,
             step_field=self.step_field_name,
             step0=step,
             step=step + 1,