mirror of
https://github.com/python-pillow/Pillow.git
synced 2025-11-04 18:07:51 +03:00
5c76e7ec17
Co-authored-by: Andrew Murray <3112309+radarhere@users.noreply.github.com> Co-authored-by: Hugo van Kemenade <1324225+hugovk@users.noreply.github.com>
165 lines
4.3 KiB
Python
165 lines
4.3 KiB
Python
from __future__ import annotations
|
|
|
|
import pytest
|
|
|
|
from PIL import Image
|
|
|
|
from .helper import hopper
|
|
|
|
|
|
@pytest.mark.parametrize(
|
|
"mode, dest_modes",
|
|
(
|
|
("L", ["I", "F", "LA", "RGB", "RGBA", "RGBX", "CMYK", "YCbCr", "HSV"]),
|
|
("I", ["L", "F"]), # Technically I;32 can work for any 4x8bit storage.
|
|
("F", ["I", "L", "LA", "RGB", "RGBA", "RGBX", "CMYK", "YCbCr", "HSV"]),
|
|
("LA", ["L", "F"]),
|
|
("RGB", ["L", "F"]),
|
|
("RGBA", ["L", "F"]),
|
|
("RGBX", ["L", "F"]),
|
|
("CMYK", ["L", "F"]),
|
|
("YCbCr", ["L", "F"]),
|
|
("HSV", ["L", "F"]),
|
|
),
|
|
)
|
|
def test_invalid_array_type(mode: str, dest_modes: list[str]) -> None:
|
|
img = hopper(mode)
|
|
for dest_mode in dest_modes:
|
|
with pytest.raises(ValueError):
|
|
Image.fromarrow(img, dest_mode, img.size)
|
|
|
|
|
|
def test_invalid_array_size() -> None:
|
|
img = hopper("RGB")
|
|
|
|
assert img.size != (10, 10)
|
|
with pytest.raises(ValueError):
|
|
Image.fromarrow(img, "RGB", (10, 10))
|
|
|
|
|
|
def test_release_schema() -> None:
|
|
# these should not error out, valgrind should be clean
|
|
img = hopper("L")
|
|
schema = img.__arrow_c_schema__()
|
|
del schema
|
|
|
|
|
|
def test_release_array() -> None:
|
|
# these should not error out, valgrind should be clean
|
|
img = hopper("L")
|
|
array, schema = img.__arrow_c_array__()
|
|
del array
|
|
del schema
|
|
|
|
|
|
def test_readonly() -> None:
|
|
img = hopper("L")
|
|
reloaded = Image.fromarrow(img, img.mode, img.size)
|
|
assert reloaded.readonly == 1
|
|
reloaded._readonly = 0
|
|
assert reloaded.readonly == 1
|
|
|
|
|
|
def test_multiblock_l_image() -> None:
|
|
block_size = Image.core.get_block_size()
|
|
|
|
# check a 2 block image in single channel mode
|
|
size = (4096, 2 * block_size // 4096)
|
|
img = Image.new("L", size, 128)
|
|
|
|
with pytest.raises(ValueError):
|
|
(schema, arr) = img.__arrow_c_array__()
|
|
|
|
|
|
def test_multiblock_rgba_image() -> None:
|
|
block_size = Image.core.get_block_size()
|
|
|
|
# check a 2 block image in 4 channel mode
|
|
size = (4096, (block_size // 4096) // 2)
|
|
img = Image.new("RGBA", size, (128, 127, 126, 125))
|
|
|
|
with pytest.raises(ValueError):
|
|
(schema, arr) = img.__arrow_c_array__()
|
|
|
|
|
|
def test_multiblock_l_schema() -> None:
|
|
block_size = Image.core.get_block_size()
|
|
|
|
# check a 2 block image in single channel mode
|
|
size = (4096, 2 * block_size // 4096)
|
|
img = Image.new("L", size, 128)
|
|
|
|
with pytest.raises(ValueError):
|
|
img.__arrow_c_schema__()
|
|
|
|
|
|
def test_multiblock_rgba_schema() -> None:
|
|
block_size = Image.core.get_block_size()
|
|
|
|
# check a 2 block image in 4 channel mode
|
|
size = (4096, (block_size // 4096) // 2)
|
|
img = Image.new("RGBA", size, (128, 127, 126, 125))
|
|
|
|
with pytest.raises(ValueError):
|
|
img.__arrow_c_schema__()
|
|
|
|
|
|
def test_singleblock_l_image() -> None:
|
|
Image.core.set_use_block_allocator(1)
|
|
|
|
block_size = Image.core.get_block_size()
|
|
|
|
# check a 2 block image in 4 channel mode
|
|
size = (4096, 2 * (block_size // 4096))
|
|
img = Image.new("L", size, 128)
|
|
assert img.im.isblock()
|
|
|
|
(schema, arr) = img.__arrow_c_array__()
|
|
assert schema
|
|
assert arr
|
|
|
|
Image.core.set_use_block_allocator(0)
|
|
|
|
|
|
def test_singleblock_rgba_image() -> None:
|
|
Image.core.set_use_block_allocator(1)
|
|
block_size = Image.core.get_block_size()
|
|
|
|
# check a 2 block image in 4 channel mode
|
|
size = (4096, (block_size // 4096) // 2)
|
|
img = Image.new("RGBA", size, (128, 127, 126, 125))
|
|
assert img.im.isblock()
|
|
|
|
(schema, arr) = img.__arrow_c_array__()
|
|
assert schema
|
|
assert arr
|
|
Image.core.set_use_block_allocator(0)
|
|
|
|
|
|
def test_singleblock_l_schema() -> None:
|
|
Image.core.set_use_block_allocator(1)
|
|
block_size = Image.core.get_block_size()
|
|
|
|
# check a 2 block image in single channel mode
|
|
size = (4096, 2 * block_size // 4096)
|
|
img = Image.new("L", size, 128)
|
|
assert img.im.isblock()
|
|
|
|
schema = img.__arrow_c_schema__()
|
|
assert schema
|
|
Image.core.set_use_block_allocator(0)
|
|
|
|
|
|
def test_singleblock_rgba_schema() -> None:
|
|
Image.core.set_use_block_allocator(1)
|
|
block_size = Image.core.get_block_size()
|
|
|
|
# check a 2 block image in 4 channel mode
|
|
size = (4096, (block_size // 4096) // 2)
|
|
img = Image.new("RGBA", size, (128, 127, 126, 125))
|
|
assert img.im.isblock()
|
|
|
|
schema = img.__arrow_c_schema__()
|
|
assert schema
|
|
Image.core.set_use_block_allocator(0)
|