Fixed #7885 -- Prevent duplicates in fields and fieldsets declarations. Thanks julien and wamberg for the patches.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@8173 bcc190cf-cafb-0310-a4f2-bffc1f526a37

1 files changed, 14 insertions, 0 deletions

diff --git a/tests/regressiontests/modeladmin/models.py b/tests/regressiontests/modeladmin/models.py
index 6a7da7d362..0fdd9afdf1 100644
--- a/tests/regressiontests/modeladmin/models.py
+++ b/tests/regressiontests/modeladmin/models.py
@@ -346,6 +346,20 @@ Traceback (most recent call last):
 ...
 ImproperlyConfigured: Both fieldsets and fields are specified in ValidationTestModelAdmin.
 
+>>> class ValidationTestModelAdmin(ModelAdmin): 
+...     fieldsets = [(None, {'fields': ['name', 'name']})] 
+>>> validate(ValidationTestModelAdmin, ValidationTestModel) 
+Traceback (most recent call last): 
+... 
+ImproperlyConfigured: There are duplicate field(s) in ValidationTestModelAdmin.fieldsets
+
+>>> class ValidationTestModelAdmin(ModelAdmin):
+...     fields = ["name", "name"]
+>>> validate(ValidationTestModelAdmin, ValidationTestModel)
+Traceback (most recent call last):
+...
+ImproperlyConfigured: There are duplicate field(s) in ValidationTestModelAdmin.fields
+
 # form
 
 >>> class FakeForm(object):