mirror of
https://github.com/python-pillow/Pillow.git
synced 2024-11-10 19:56:47 +03:00
51 lines
1.2 KiB
Python
51 lines
1.2 KiB
Python
from io import BytesIO
|
|
|
|
import pytest
|
|
|
|
from PIL import FitsImagePlugin, Image
|
|
|
|
from .helper import assert_image_equal, hopper
|
|
|
|
TEST_FILE = "Tests/images/hopper.fits"
|
|
|
|
|
|
def test_open():
|
|
# Act
|
|
with Image.open(TEST_FILE) as im:
|
|
# Assert
|
|
assert im.format == "FITS"
|
|
assert im.size == (128, 128)
|
|
assert im.mode == "L"
|
|
|
|
assert_image_equal(im, hopper("L"))
|
|
|
|
|
|
def test_invalid_file():
|
|
# Arrange
|
|
invalid_file = "Tests/images/flower.jpg"
|
|
|
|
# Act / Assert
|
|
with pytest.raises(SyntaxError):
|
|
FitsImagePlugin.FitsImageFile(invalid_file)
|
|
|
|
|
|
def test_truncated_fits():
|
|
# No END to headers
|
|
image_data = b"SIMPLE = T" + b" " * 50 + b"TRUNCATE"
|
|
with pytest.raises(OSError):
|
|
FitsImagePlugin.FitsImageFile(BytesIO(image_data))
|
|
|
|
|
|
def test_naxis_zero():
|
|
# This test image has been manually hexedited
|
|
# to set the number of data axes to zero
|
|
with pytest.raises(ValueError):
|
|
with Image.open("Tests/images/hopper_naxis_zero.fits"):
|
|
pass
|
|
|
|
|
|
def test_comment():
|
|
image_data = b"SIMPLE = T / comment string"
|
|
with pytest.raises(OSError):
|
|
FitsImagePlugin.FitsImageFile(BytesIO(image_data))
|