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

41 lines
921 B
Python

from __future__ import annotations
import pytest
from PIL import Image, XpmImagePlugin
from .helper import assert_image_similar, hopper
TEST_FILE = "Tests/images/hopper.xpm"
def test_sanity() -> None:
with Image.open(TEST_FILE) as im:
im.load()
assert im.mode == "P"
assert im.size == (128, 128)
assert im.format == "XPM"
# large error due to quantization->44 colors.
assert_image_similar(im.convert("RGB"), hopper("RGB"), 60)
def test_invalid_file() -> None:
invalid_file = "Tests/images/flower.jpg"
with pytest.raises(SyntaxError):
XpmImagePlugin.XpmImageFile(invalid_file)
def test_load_read() -> None:
# Arrange
with Image.open(TEST_FILE) as im:
assert isinstance(im, XpmImagePlugin.XpmImageFile)
dummy_bytes = 1
# Act
data = im.load_read(dummy_bytes)
# Assert
assert len(data) == 16384