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4a4b90c365
* autotyping: --none-return * autotyping: --scalar-return * autotyping: --int-param * autotyping: --float-param * autotyping: --str-param * autotyping: --annotate-named-param tmp_path:pathlib.Path
72 lines
1.5 KiB
Python
72 lines
1.5 KiB
Python
from __future__ import annotations
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import os.path
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import subprocess
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from pathlib import Path
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import pytest
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from PIL import Image
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from .helper import assert_image_equal, hopper, magick_command
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def helper_save_as_palm(tmp_path: Path, mode) -> None:
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# Arrange
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im = hopper(mode)
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outfile = str(tmp_path / ("temp_" + mode + ".palm"))
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# Act
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im.save(outfile)
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# Assert
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assert os.path.isfile(outfile)
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assert os.path.getsize(outfile) > 0
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def open_with_magick(magick, tmp_path: Path, f):
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outfile = str(tmp_path / "temp.png")
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rc = subprocess.call(
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magick + [f, outfile], stdout=subprocess.DEVNULL, stderr=subprocess.STDOUT
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)
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assert not rc
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return Image.open(outfile)
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def roundtrip(tmp_path: Path, mode) -> None:
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magick = magick_command()
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if not magick:
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return
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im = hopper(mode)
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outfile = str(tmp_path / "temp.palm")
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im.save(outfile)
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converted = open_with_magick(magick, tmp_path, outfile)
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assert_image_equal(converted, im)
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def test_monochrome(tmp_path: Path) -> None:
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# Arrange
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mode = "1"
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# Act / Assert
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helper_save_as_palm(tmp_path, mode)
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roundtrip(tmp_path, mode)
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@pytest.mark.xfail(reason="Palm P image is wrong")
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def test_p_mode(tmp_path: Path) -> None:
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# Arrange
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mode = "P"
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# Act / Assert
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helper_save_as_palm(tmp_path, mode)
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roundtrip(tmp_path, mode)
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@pytest.mark.parametrize("mode", ("L", "RGB"))
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def test_oserror(tmp_path: Path, mode) -> None:
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with pytest.raises(OSError):
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helper_save_as_palm(tmp_path, mode)
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