def testCreateScaleWithoutData(self):
     folder = self.folder
     image = folder[folder.invokeFactory('Image', id='image')]
     field = image.getField('image')
     handler = BlobImageScaleHandler(field)
     foo = handler.createScale(image, 'foo', 100, 80)
     self.assertEqual(foo, None)
 def afterSetUp(self):
     self.image = self.folder['foo-image']
     self.field = self.image.getField('image')
     self.handler = BlobImageScaleHandler(self.field)
     changeAllowedSizes(self.portal, [u'foo 60:60'])