django1/tests/regressiontests/bug639/tests.py

42 lines
1.4 KiB
Python
Raw Normal View History

"""
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())