mirror of
https://github.com/python-pillow/Pillow.git
synced 2024-12-27 10:26:19 +03:00
72 lines
1.7 KiB
Python
72 lines
1.7 KiB
Python
import pytest
|
|
from PIL import Image, ImagePalette, features
|
|
|
|
from .helper import assert_image_similar, hopper
|
|
|
|
try:
|
|
from PIL import MicImagePlugin
|
|
except ImportError:
|
|
olefile_installed = False
|
|
else:
|
|
olefile_installed = True
|
|
|
|
TEST_FILE = "Tests/images/hopper.mic"
|
|
|
|
|
|
pytestmark = [
|
|
pytest.mark.skipif(not olefile_installed, reason="olefile package not installed"),
|
|
pytest.mark.skipif(not features.check("libtiff"), reason="libtiff not installed"),
|
|
]
|
|
|
|
|
|
def test_sanity():
|
|
with Image.open(TEST_FILE) as im:
|
|
im.load()
|
|
assert im.mode == "RGBA"
|
|
assert im.size == (128, 128)
|
|
assert im.format == "MIC"
|
|
|
|
# Adjust for the gamma of 2.2 encoded into the file
|
|
lut = ImagePalette.make_gamma_lut(1 / 2.2)
|
|
im = Image.merge("RGBA", [chan.point(lut) for chan in im.split()])
|
|
|
|
im2 = hopper("RGBA")
|
|
assert_image_similar(im, im2, 10)
|
|
|
|
|
|
def test_n_frames():
|
|
with Image.open(TEST_FILE) as im:
|
|
assert im.n_frames == 1
|
|
|
|
|
|
def test_is_animated():
|
|
with Image.open(TEST_FILE) as im:
|
|
assert not im.is_animated
|
|
|
|
|
|
def test_tell():
|
|
with Image.open(TEST_FILE) as im:
|
|
assert im.tell() == 0
|
|
|
|
|
|
def test_seek():
|
|
with Image.open(TEST_FILE) as im:
|
|
im.seek(0)
|
|
assert im.tell() == 0
|
|
|
|
with pytest.raises(EOFError):
|
|
im.seek(99)
|
|
assert im.tell() == 0
|
|
|
|
|
|
def test_invalid_file():
|
|
# Test an invalid OLE file
|
|
invalid_file = "Tests/images/flower.jpg"
|
|
with pytest.raises(SyntaxError):
|
|
MicImagePlugin.MicImageFile(invalid_file)
|
|
|
|
# Test a valid OLE file, but not a MIC file
|
|
ole_file = "Tests/images/test-ole-file.doc"
|
|
with pytest.raises(SyntaxError):
|
|
MicImagePlugin.MicImageFile(ole_file)
|