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72 lines
1.7 KiB
Python
72 lines
1.7 KiB
Python
import pytest
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from PIL import Image, ImagePalette, features
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from .helper import assert_image_similar, hopper
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try:
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from PIL import MicImagePlugin
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except ImportError:
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olefile_installed = False
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else:
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olefile_installed = True
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TEST_FILE = "Tests/images/hopper.mic"
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pytestmark = [
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pytest.mark.skipif(not olefile_installed, reason="olefile package not installed"),
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pytest.mark.skipif(not features.check("libtiff"), reason="libtiff not installed"),
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]
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def test_sanity():
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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():
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with Image.open(TEST_FILE) as im:
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assert im.n_frames == 1
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def test_is_animated():
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with Image.open(TEST_FILE) as im:
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assert not im.is_animated
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def test_tell():
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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():
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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_invalid_file():
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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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