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			81 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			81 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
from __future__ import annotations
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import pytest
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from PIL import Image, ImageMode
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from .helper import hopper
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def test_sanity() -> None:
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    with hopper() as im:
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        im.mode
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    ImageMode.getmode("1")
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    ImageMode.getmode("L")
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    ImageMode.getmode("P")
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    ImageMode.getmode("RGB")
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    ImageMode.getmode("I")
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    ImageMode.getmode("F")
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    m = ImageMode.getmode("1")
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    assert m.mode == "1"
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    assert str(m) == "1"
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    assert m.bands == ("1",)
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    assert m.basemode == "L"
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    assert m.basetype == "L"
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    assert m.typestr == "|b1"
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    for mode in (
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        "I;16",
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        "I;16S",
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        "I;16L",
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        "I;16LS",
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        "I;16B",
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        "I;16BS",
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        "I;16N",
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        "I;16NS",
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    ):
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        m = ImageMode.getmode(mode)
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        assert m.mode == mode
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        assert str(m) == mode
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        assert m.bands == ("I",)
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        assert m.basemode == "L"
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        assert m.basetype == "L"
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    m = ImageMode.getmode("RGB")
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    assert m.mode == "RGB"
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    assert str(m) == "RGB"
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    assert m.bands == ("R", "G", "B")
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    assert m.basemode == "RGB"
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    assert m.basetype == "L"
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    assert m.typestr == "|u1"
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@pytest.mark.parametrize(
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    "mode, expected_base, expected_type, expected_bands, expected_band_names",
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    (
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        ("1", "L", "L", 1, ("1",)),
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        ("L", "L", "L", 1, ("L",)),
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        ("P", "P", "L", 1, ("P",)),
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        ("I", "L", "I", 1, ("I",)),
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        ("F", "L", "F", 1, ("F",)),
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        ("RGB", "RGB", "L", 3, ("R", "G", "B")),
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        ("RGBA", "RGB", "L", 4, ("R", "G", "B", "A")),
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        ("RGBX", "RGB", "L", 4, ("R", "G", "B", "X")),
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        ("CMYK", "RGB", "L", 4, ("C", "M", "Y", "K")),
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        ("YCbCr", "RGB", "L", 3, ("Y", "Cb", "Cr")),
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    ),
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)
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def test_properties(
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    mode: str,
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    expected_base: str,
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    expected_type: str,
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    expected_bands: int,
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    expected_band_names: tuple[str, ...],
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) -> None:
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    assert Image.getmodebase(mode) == expected_base
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    assert Image.getmodetype(mode) == expected_type
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    assert Image.getmodebands(mode) == expected_bands
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    assert Image.getmodebandnames(mode) == expected_band_names
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