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test lack of warnings from common mode conversions

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Sam Mason 2023-07-07 14:13:58 +01:00
parent 0568292553
commit 8bdb6553a4
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1 changed files with 15 additions and 0 deletions
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Tests/test_image.py
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@ -168,6 +168,21 @@ class TestImage:
assert im2.size == (1500, 1500)
assert_image_equal(im.resize(im2.size), im2)
# make sure common modes get converted without a warning
im = Image.new("LAB", (100, 100))
with pytest.warns(None) as record:
bundle = im._repr_mimebundle_()
assert len(record) == 0
with Image.open(io.BytesIO(bundle["image/png"])) as im2:
assert_image_equal(im.convert("RGB"), im2)
im = Image.new("HSV", (100, 100))
with pytest.warns(None) as record:
bundle = im._repr_mimebundle_()
assert len(record) == 0
with Image.open(io.BytesIO(bundle["image/png"])) as im2:
assert_image_equal(im.convert("RGB"), im2)
def test_open_formats(self):
PNGFILE = "Tests/images/hopper.png"
JPGFILE = "Tests/images/hopper.jpg"