def test_generate_thumbnail_bad_image(self):
text_file = ContentFile("Lorem ipsum dolor sit amet. Not an image.")
self.storage.save('avatars/invalid.jpg', text_file)
instance = models.TestModel(avatar='avatars/invalid.jpg')
generate = lambda: instance.avatar.generate_thumbnail(
{'size': (300, 300)})
self.assertRaises(IOError, generate)
def test_serialization(self):
instance = models.TestModel(avatar='avatars/avatar.jpg')
self.assertEqual('/media/avatars/avatar.jpg.100x100_q85.jpg',
instance.avatar['small'].url)
new_instance = pickle.loads(pickle.dumps(instance))
self.assertEqual('/media/avatars/avatar.jpg.100x100_q85.jpg',
new_instance.avatar['small'].url)
def test_saving_image_field_with_resize_source(self):
# Ensure that saving ThumbnailerImageField with resize_source enabled
# using instance.field.save() does not fail
instance = models.TestModel(avatar='avatars/avatar.jpg')
instance.picture.save(
'file.jpg', ContentFile(instance.avatar.file.read()), save=False)
self.assertEqual(instance.picture.width, 10)
def test_saving_image_field_with_resize_source_different_ext(self):
instance = models.TestModel(avatar='avatars/avatar.jpg')
instance.picture.save('file.gif',
ContentFile(self._read_filefield(
instance.avatar)),
save=False)
self.assertEqual(instance.picture.name, 'pictures/file.jpg')
def test_delete_thumbnails(self):
instance = models.TestModel(avatar='avatars/avatar.jpg')
source_path = instance.avatar.path
thumb_paths = (
instance.avatar.get_thumbnail({'size': (300, 300)}).path,
instance.avatar.get_thumbnail({'size': (200, 200)}).path,
instance.avatar.get_thumbnail({'size': (100, 100)}).path,
)
self.assertTrue(os.path.exists(source_path))
for path in thumb_paths:
self.assertTrue(os.path.exists(path))
instance.avatar.delete_thumbnails()
self.assertTrue(os.path.exists(source_path))
for path in thumb_paths:
self.assertFalse(os.path.exists(path))
def test_get_thumbnails(self):
instance = models.TestModel(avatar='avatars/avatar.jpg')
instance.avatar.get_thumbnail({'size': (300, 300)})
instance.avatar.get_thumbnail({'size': (200, 200)})
self.assertEqual(len(list(instance.avatar.get_thumbnails())), 2)
def test_generate_thumbnail_alias_0x0_size(self):
instance = models.TestModel(avatar='avatars/avatar.jpg')
self.assertRaises(EasyThumbnailsError,
instance.avatar.generate_thumbnail, {'size': (0, 0)})
def test_generate_thumbnail_alias_bad_image(self):
text_file = ContentFile("Lorem ipsum dolor sit amet. Not an image.")
self.storage.save('avatars/invalid.jpg', text_file)
instance = models.TestModel(avatar='avatars/invalid.jpg')
generate = lambda: instance.avatar['small']
self.assertRaises(InvalidImageFormatError, generate)
def test_generate_thumbnail(self):
instance = models.TestModel(avatar='avatars/avatar.jpg')
thumb = instance.avatar.generate_thumbnail({'size': (300, 300)})
self.assertEqual((thumb.width, thumb.height), (300, 225))
