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79 lines
2.0 KiB
Python
79 lines
2.0 KiB
Python
from __future__ import annotations
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import pytest
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from PIL import Image, ImagePalette
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from .helper import assert_image_similar, hopper, skip_unless_feature
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MicImagePlugin = pytest.importorskip(
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"PIL.MicImagePlugin", reason="olefile not installed"
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)
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pytestmark = skip_unless_feature("libtiff")
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TEST_FILE = "Tests/images/hopper.mic"
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def test_sanity() -> None:
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with Image.open(TEST_FILE) as im:
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im.load()
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assert im.mode == "RGBA"
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assert im.size == (128, 128)
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assert im.format == "MIC"
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# Adjust for the gamma of 2.2 encoded into the file
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lut = ImagePalette.make_gamma_lut(1 / 2.2)
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im = Image.merge("RGBA", [chan.point(lut) for chan in im.split()])
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im2 = hopper("RGBA")
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assert_image_similar(im, im2, 10)
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def test_n_frames() -> None:
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with Image.open(TEST_FILE) as im:
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assert isinstance(im, MicImagePlugin.MicImageFile)
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assert im.n_frames == 1
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def test_is_animated() -> None:
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with Image.open(TEST_FILE) as im:
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assert isinstance(im, MicImagePlugin.MicImageFile)
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assert not im.is_animated
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def test_tell() -> None:
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with Image.open(TEST_FILE) as im:
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assert im.tell() == 0
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def test_seek() -> None:
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with Image.open(TEST_FILE) as im:
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im.seek(0)
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assert im.tell() == 0
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with pytest.raises(EOFError):
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im.seek(99)
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assert im.tell() == 0
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def test_close() -> None:
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with Image.open(TEST_FILE) as im:
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assert isinstance(im, MicImagePlugin.MicImageFile)
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assert im.ole.fp.closed
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im = Image.open(TEST_FILE)
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assert isinstance(im, MicImagePlugin.MicImageFile)
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im.close()
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assert im.ole.fp.closed
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def test_invalid_file() -> None:
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# Test an invalid OLE file
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invalid_file = "Tests/images/flower.jpg"
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with pytest.raises(SyntaxError):
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MicImagePlugin.MicImageFile(invalid_file)
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# Test a valid OLE file, but not a MIC file
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ole_file = "Tests/images/test-ole-file.doc"
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with pytest.raises(SyntaxError):
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MicImagePlugin.MicImageFile(ole_file)
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