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Parametrized test

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Andrew Murray 2022-09-11 09:20:45 +10:00 committed by GitHub
parent beb7b4d0f6
commit ed016f8f5a
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1 changed files with 15 additions and 14 deletions
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23
Tests/test_file_tiff.py
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@ -84,23 +84,24 @@ class TestFileTiff:
with Image.open("Tests/images/multipage.tiff") as im: with Image.open("Tests/images/multipage.tiff") as im:
im.load() im.load()
def test_get_child_images(self): @pytest.mark.parametrize(
def check(ims, sizes): "path, sizes",
assert len(ims) == len(sizes) (
("Tests/images/hopper.tif", ()),
("Tests/images/child_ifd.tiff", (16, 8)),
("Tests/images/child_ifd_jpeg.tiff", (20,)),
),
)
def test_get_child_images(self, path, sizes):
with Image.open(path) as im:
ims = im.get_child_images()
assert len(ims) == len(sizes)
for i, im in enumerate(ims): for i, im in enumerate(ims):
w = sizes[i] w = sizes[i]
expected = Image.new("RGB", (w, w), "#f00") expected = Image.new("RGB", (w, w), "#f00")
assert_image_similar(im, expected, 1) assert_image_similar(im, expected, 1)
with Image.open("Tests/images/child_ifd.tiff") as im:
ims = im.get_child_images()
check(ims, (16, 8))
with Image.open("Tests/images/child_ifd_jpeg.tiff") as im:
ims = im.get_child_images()
check(ims, (20,))
def test_mac_tiff(self): def test_mac_tiff(self):
# Read RGBa images from macOS [@PIL136] # Read RGBa images from macOS [@PIL136]