Pillow/Tests/test_file_fpx.py
2024-09-09 22:34:46 +10:00

50 lines
1.4 KiB
Python

from __future__ import annotations
import pytest
from PIL import Image
from .helper import assert_image_equal_tofile
FpxImagePlugin = pytest.importorskip(
"PIL.FpxImagePlugin", reason="olefile not installed"
)
def test_sanity() -> None:
with Image.open("Tests/images/input_bw_one_band.fpx") as im:
assert im.mode == "L"
assert im.size == (70, 46)
assert im.format == "FPX"
assert_image_equal_tofile(im, "Tests/images/input_bw_one_band.png")
def test_close() -> None:
with Image.open("Tests/images/input_bw_one_band.fpx") as im:
assert isinstance(im, FpxImagePlugin.FpxImageFile)
assert im.ole.fp.closed
im = Image.open("Tests/images/input_bw_one_band.fpx")
assert isinstance(im, FpxImagePlugin.FpxImageFile)
im.close()
assert im.ole.fp.closed
def test_invalid_file() -> None:
# Test an invalid OLE file
invalid_file = "Tests/images/flower.jpg"
with pytest.raises(SyntaxError):
FpxImagePlugin.FpxImageFile(invalid_file)
# Test a valid OLE file, but not an FPX file
ole_file = "Tests/images/test-ole-file.doc"
with pytest.raises(SyntaxError):
FpxImagePlugin.FpxImageFile(ole_file)
def test_fpx_invalid_number_of_bands() -> None:
with pytest.raises(OSError, match="Invalid number of bands"):
with Image.open("Tests/images/input_bw_five_bands.fpx"):
pass