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136 lines
4.5 KiB
Python
136 lines
4.5 KiB
Python
from __future__ import annotations
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from io import BytesIO
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import pytest
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from PIL import CurImagePlugin, Image
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def test_deerstalker() -> None:
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with Image.open("Tests/images/cur/deerstalker.cur") as im:
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assert im.size == (32, 32)
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assert im.info["hotspots"] == [(0, 0)]
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assert isinstance(im, CurImagePlugin.CurImageFile)
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# Check some pixel colors to ensure image is loaded properly
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assert im.getpixel((10, 1)) == (0, 0, 0, 0)
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assert im.getpixel((11, 1)) == (253, 254, 254, 1)
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assert im.getpixel((16, 16)) == (84, 87, 86, 255)
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def test_posy_link() -> None:
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with Image.open("Tests/images/cur/posy_link.cur") as im:
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assert im.size == (128, 128)
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assert im.info["sizes"] == {(128, 128), (96, 96), (64, 64), (48, 48), (32, 32)}
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assert im.info["hotspots"] == [(25, 7), (18, 5), (12, 3), (9, 2), (5, 1)]
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# check some pixel colors
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assert im.getpixel((0, 0)) == (0, 0, 0, 0)
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assert im.getpixel((20, 20)) == (0, 0, 0, 255)
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assert im.getpixel((40, 40)) == (255, 255, 255, 255)
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im.size = (32, 32)
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im.load()
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assert im.getpixel((0, 0)) == (0, 0, 0, 0)
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assert im.getpixel((10, 10)) == (191, 191, 191, 255)
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def test_stopwtch() -> None:
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with Image.open("Tests/images/cur/stopwtch.cur") as im:
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assert im.size == (32, 32)
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assert im.info["hotspots"] == [(16, 19)]
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assert im.getpixel((16, 16)) == (0, 0, 255, 255)
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assert im.getpixel((8, 16)) == (255, 0, 0, 255)
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def test_win98_arrow() -> None:
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with Image.open("Tests/images/cur/win98_arrow.cur") as im:
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assert im.size == (32, 32)
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assert im.info["hotspots"] == [(10, 10)]
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assert im.getpixel((0, 0)) == (0, 0, 0, 0)
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assert im.getpixel((16, 16)) == (0, 0, 0, 255)
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assert im.getpixel((14, 19)) == (255, 255, 255, 255)
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def test_invalid_file() -> None:
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invalid_file = "Tests/images/cur/posy_link.png"
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with pytest.raises(SyntaxError):
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CurImagePlugin.CurImageFile(invalid_file)
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no_cursors_file = "Tests/images/cur/no_cursors.cur"
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cur = CurImagePlugin.CurImageFile("Tests/images/cur/deerstalker.cur")
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cur.fp.close()
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with open(no_cursors_file, "rb") as cur.fp:
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with pytest.raises(TypeError):
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cur._open()
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def test_save_win98_arrow() -> None:
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with Image.open("Tests/images/cur/win98_arrow.png") as im:
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# save the data
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with BytesIO() as output:
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im.save(
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output,
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format="CUR",
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sizes=[(32, 32)],
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hotspots=[(10, 10)],
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bitmap_format="bmp",
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)
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with Image.open(output) as reloaded:
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assert im.tobytes() == reloaded.tobytes()
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with BytesIO() as output:
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im.save(output, format="CUR")
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# check default save params
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with Image.open(output) as reloaded:
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assert reloaded.size == (32, 32)
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assert reloaded.info["sizes"] == {(32, 32), (24, 24), (16, 16)}
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assert reloaded.info["hotspots"] == [(0, 0), (0, 0), (0, 0)]
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def test_save_posy_link() -> None:
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sizes = [(128, 128), (96, 96), (64, 64), (48, 48), (32, 32)]
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hotspots = [(25, 7), (18, 5), (12, 3), (9, 2), (5, 1)]
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with Image.open("Tests/images/cur/posy_link.png") as im:
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# save the data
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with BytesIO() as output:
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im.save(
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output,
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sizes=sizes,
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hotspots=hotspots,
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format="CUR",
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bitmap_format="bmp",
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)
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# make sure saved output is readable
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# and sizes/hotspots are correct
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with Image.open(output, formats=["CUR"]) as reloaded:
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assert (128, 128) == reloaded.size
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assert set(sizes) == reloaded.info["sizes"]
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with BytesIO() as output:
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im.save(output, sizes=sizes[3:], hotspots=hotspots[3:], format="CUR")
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# make sure saved output is readable
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# and sizes/hotspots are correct
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with Image.open(output, formats=["CUR"]) as reloaded:
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assert (48, 48) == reloaded.size
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assert set(sizes[3:]) == reloaded.info["sizes"]
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# make sure error is thrown when size and hotspot len's
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# don't match
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with pytest.raises(ValueError):
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im.save(
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output,
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sizes=sizes[2:],
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hotspots=hotspots[3:],
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format="CUR",
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bitmap_format="bmp",
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)
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