Convert test_properties to use parametrize

This commit is contained in:
Hugo van Kemenade 2023-01-08 14:37:46 +02:00
parent f30eb38e31
commit a5e046fb49

View File

@ -1,3 +1,5 @@
import pytest
from PIL import Image, ImageMode
from .helper import hopper
@ -49,23 +51,25 @@ def test_sanity():
assert m.typestr == "|u1"
def test_properties():
def check(mode, *result):
signature = (
Image.getmodebase(mode),
Image.getmodetype(mode),
Image.getmodebands(mode),
Image.getmodebandnames(mode),
)
assert signature == result
check("1", "L", "L", 1, ("1",))
check("L", "L", "L", 1, ("L",))
check("P", "P", "L", 1, ("P",))
check("I", "L", "I", 1, ("I",))
check("F", "L", "F", 1, ("F",))
check("RGB", "RGB", "L", 3, ("R", "G", "B"))
check("RGBA", "RGB", "L", 4, ("R", "G", "B", "A"))
check("RGBX", "RGB", "L", 4, ("R", "G", "B", "X"))
check("CMYK", "RGB", "L", 4, ("C", "M", "Y", "K"))
check("YCbCr", "RGB", "L", 3, ("Y", "Cb", "Cr"))
@pytest.mark.parametrize(
"mode, expected_base, expected_type, expected_bands, expected_band_names",
(
("1", "L", "L", 1, ("1",)),
("L", "L", "L", 1, ("L",)),
("P", "P", "L", 1, ("P",)),
("I", "L", "I", 1, ("I",)),
("F", "L", "F", 1, ("F",)),
("RGB", "RGB", "L", 3, ("R", "G", "B")),
("RGBA", "RGB", "L", 4, ("R", "G", "B", "A")),
("RGBX", "RGB", "L", 4, ("R", "G", "B", "X")),
("CMYK", "RGB", "L", 4, ("C", "M", "Y", "K")),
("YCbCr", "RGB", "L", 3, ("Y", "Cb", "Cr")),
),
)
def test_properties(
mode, expected_base, expected_type, expected_bands, expected_band_names
):
assert Image.getmodebase(mode) == expected_base
assert Image.getmodetype(mode) == expected_type
assert Image.getmodebands(mode) == expected_bands
assert Image.getmodebandnames(mode) == expected_band_names