--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/thirdparty/google_appengine/lib/django/tests/regressiontests/bug639/tests.py	Tue Aug 26 21:49:54 2008 +0000
@@ -0,0 +1,42 @@
+"""
+Tests for file field behavior, and specifically #639, in which Model.save() gets
+called *again* for each FileField. This test will fail if calling an
+auto-manipulator's save() method causes Model.save() to be called more than once.
+"""
+
+import os
+import unittest
+from regressiontests.bug639.models import Photo
+from django.http import QueryDict
+from django.utils.datastructures import MultiValueDict
+
+class Bug639Test(unittest.TestCase):
+        
+    def testBug639(self):
+        """
+        Simulate a file upload and check how many times Model.save() gets called.
+        """
+        # Grab an image for testing
+        img = open(os.path.join(os.path.dirname(__file__), "test.jpg"), "rb").read()
+        
+        # Fake a request query dict with the file
+        qd = QueryDict("title=Testing&image=", mutable=True)
+        qd["image_file"] = {
+            "filename" : "test.jpg",
+            "content-type" : "image/jpeg",
+            "content" : img
+        }
+        
+        manip = Photo.AddManipulator()
+        manip.do_html2python(qd)
+        p = manip.save(qd)
+        
+        # Check the savecount stored on the object (see the model)
+        self.assertEqual(p._savecount, 1)
+        
+    def tearDown(self):
+        """
+        Make sure to delete the "uploaded" file to avoid clogging /tmp.
+        """
+        p = Photo.objects.get()
+        os.unlink(p.get_image_filename())
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