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46 lines
1.3 KiB
Python
46 lines
1.3 KiB
Python
"""
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Tests for file field behavior, and specifically #639, in which Model.save()
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gets called *again* for each FileField. This test will fail if calling a
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ModelForm's save() method causes Model.save() to be called more than once.
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"""
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import os
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import shutil
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import unittest
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from django.core.files.uploadedfile import SimpleUploadedFile
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from django.utils._os import upath
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from .models import Photo, PhotoForm, temp_storage_dir
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class Bug639Test(unittest.TestCase):
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def testBug639(self):
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"""
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Simulate a file upload and check how many times Model.save() gets
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called.
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"""
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# Grab an image for testing.
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filename = os.path.join(os.path.dirname(upath(__file__)), "test.jpg")
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with open(filename, "rb") as fp:
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img = fp.read()
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# Fake a POST QueryDict and FILES MultiValueDict.
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data = {'title': 'Testing'}
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files = {"image": SimpleUploadedFile('test.jpg', img, 'image/jpeg')}
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form = PhotoForm(data=data, files=files)
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p = form.save()
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# Check the savecount stored on the object (see the model).
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self.assertEqual(p._savecount, 1)
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def tearDown(self):
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"""
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Make sure to delete the "uploaded" file to avoid clogging /tmp.
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"""
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p = Photo.objects.get()
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p.image.delete(save=False)
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shutil.rmtree(temp_storage_dir)
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