def test_save_persona_image_not_an_image(self, pngcrush_image_mock):
# If the source is not an image, save_persona_image() should just
# return early without writing the destination or calling pngcrush.
expected_dst = tempfile.NamedTemporaryFile(mode='r+w+b',
suffix=".png",
delete=False,
dir=settings.TMP_PATH)
save_persona_image(get_image_path('non-image.png'), expected_dst.name)
# pngcrush_image should not have been called.
assert pngcrush_image_mock.call_count == 0
# the destination file should not have been written to.
assert os.stat(expected_dst.name).st_size == 0
def test_save_persona_image(self, pngcrush_image_mock):
# save_persona_image() simply saves an image as a png to the
# destination file. The image should be processed with pngcrush.
expected_dst = tempfile.NamedTemporaryFile(mode='r+w+b',
suffix=".png",
delete=False,
dir=settings.TMP_PATH)
save_persona_image(get_image_path('persona-header.jpg'),
expected_dst.name)
# pngcrush_image should have been called once.
assert pngcrush_image_mock.call_count == 1
assert pngcrush_image_mock.call_args_list[0][0][0] == expected_dst.name
def test_save_persona_image(self, pngcrush_image_mock):
# save_persona_image() simply saves an image as a png to the
# destination file. The image should be processed with pngcrush.
expected_dst = tempfile.NamedTemporaryFile(
mode='wb', suffix=".png", delete=False, dir=settings.TMP_PATH)
save_persona_image(
get_image_path('persona-header.jpg'),
expected_dst.name
)
# pngcrush_image should have been called once.
assert pngcrush_image_mock.call_count == 1
assert pngcrush_image_mock.call_args_list[0][0][0] == expected_dst.name
def test_save_persona_image_not_an_image(self, pngcrush_image_mock):
# If the source is not an image, save_persona_image() should just
# return early without writing the destination or calling pngcrush.
expected_dst = tempfile.NamedTemporaryFile(
mode='wb', suffix=".png", delete=False, dir=settings.TMP_PATH)
save_persona_image(
get_image_path('non-image.png'),
expected_dst.name
)
# pngcrush_image should not have been called.
assert pngcrush_image_mock.call_count == 0
# the destination file should not have been written to.
assert os.stat(expected_dst.name).st_size == 0
