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98a2081a78
These modules are safe to import and this better follows PEP 8. From https://www.python.org/dev/peps/pep-0008/#imports > Imports are always put at the top of the file, just after any module > comments and docstrings, and before module globals and constants.
71 lines
1.7 KiB
Python
71 lines
1.7 KiB
Python
from PIL import Image, ImageMode
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from .helper import hopper
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def test_sanity():
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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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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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def test_properties():
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def check(mode, *result):
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signature = (
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Image.getmodebase(mode),
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Image.getmodetype(mode),
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Image.getmodebands(mode),
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Image.getmodebandnames(mode),
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)
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assert signature == result
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check("1", "L", "L", 1, ("1",))
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check("L", "L", "L", 1, ("L",))
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check("P", "P", "L", 1, ("P",))
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check("I", "L", "I", 1, ("I",))
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check("F", "L", "F", 1, ("F",))
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check("RGB", "RGB", "L", 3, ("R", "G", "B"))
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check("RGBA", "RGB", "L", 4, ("R", "G", "B", "A"))
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check("RGBX", "RGB", "L", 4, ("R", "G", "B", "X"))
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check("RGBX", "RGB", "L", 4, ("R", "G", "B", "X"))
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check("CMYK", "RGB", "L", 4, ("C", "M", "Y", "K"))
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check("YCbCr", "RGB", "L", 3, ("Y", "Cb", "Cr"))
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