[1.11.x] Fixed #28242 -- Moved ImageField file extension validation to the form field.

Backport of a0c07d77fc313388c72a17cd59411265069f037f from master

1 files changed, 11 insertions, 0 deletions

diff --git a/tests/model_forms/models.py b/tests/model_forms/models.py
index f873cfea97..42224ac63e 100644
--- a/tests/model_forms/models.py
+++ b/tests/model_forms/models.py
@@ -214,6 +214,17 @@ try:
 
         def __str__(self):
             return self.description
+
+    class NoExtensionImageFile(models.Model):
+        def upload_to(self, filename):
+            return 'tests/no_extension'
+
+        description = models.CharField(max_length=20)
+        image = models.ImageField(storage=temp_storage, upload_to=upload_to)
+
+        def __str__(self):
+            return self.description
+
 except ImportError:
     test_images = False