mirror of
https://github.com/python-pillow/Pillow.git
synced 2024-11-14 05:36:48 +03:00
4a4b90c365
* autotyping: --none-return * autotyping: --scalar-return * autotyping: --int-param * autotyping: --float-param * autotyping: --str-param * autotyping: --annotate-named-param tmp_path:pathlib.Path
127 lines
2.2 KiB
Python
127 lines
2.2 KiB
Python
from __future__ import annotations
|
|
|
|
from PIL import GimpGradientFile, ImagePalette
|
|
|
|
|
|
def test_linear_pos_le_middle() -> None:
|
|
# Arrange
|
|
middle = 0.5
|
|
pos = 0.25
|
|
|
|
# Act
|
|
ret = GimpGradientFile.linear(middle, pos)
|
|
|
|
# Assert
|
|
assert ret == 0.25
|
|
|
|
|
|
def test_linear_pos_le_small_middle() -> None:
|
|
# Arrange
|
|
middle = 1e-11
|
|
pos = 1e-12
|
|
|
|
# Act
|
|
ret = GimpGradientFile.linear(middle, pos)
|
|
|
|
# Assert
|
|
assert ret == 0.0
|
|
|
|
|
|
def test_linear_pos_gt_middle() -> None:
|
|
# Arrange
|
|
middle = 0.5
|
|
pos = 0.75
|
|
|
|
# Act
|
|
ret = GimpGradientFile.linear(middle, pos)
|
|
|
|
# Assert
|
|
assert ret == 0.75
|
|
|
|
|
|
def test_linear_pos_gt_small_middle() -> None:
|
|
# Arrange
|
|
middle = 1 - 1e-11
|
|
pos = 1 - 1e-12
|
|
|
|
# Act
|
|
ret = GimpGradientFile.linear(middle, pos)
|
|
|
|
# Assert
|
|
assert ret == 1.0
|
|
|
|
|
|
def test_curved() -> None:
|
|
# Arrange
|
|
middle = 0.5
|
|
pos = 0.75
|
|
|
|
# Act
|
|
ret = GimpGradientFile.curved(middle, pos)
|
|
|
|
# Assert
|
|
assert ret == 0.75
|
|
|
|
|
|
def test_sine() -> None:
|
|
# Arrange
|
|
middle = 0.5
|
|
pos = 0.75
|
|
|
|
# Act
|
|
ret = GimpGradientFile.sine(middle, pos)
|
|
|
|
# Assert
|
|
assert ret == 0.8535533905932737
|
|
|
|
|
|
def test_sphere_increasing() -> None:
|
|
# Arrange
|
|
middle = 0.5
|
|
pos = 0.75
|
|
|
|
# Act
|
|
ret = GimpGradientFile.sphere_increasing(middle, pos)
|
|
|
|
# Assert
|
|
assert round(abs(ret - 0.9682458365518543), 7) == 0
|
|
|
|
|
|
def test_sphere_decreasing() -> None:
|
|
# Arrange
|
|
middle = 0.5
|
|
pos = 0.75
|
|
|
|
# Act
|
|
ret = GimpGradientFile.sphere_decreasing(middle, pos)
|
|
|
|
# Assert
|
|
assert ret == 0.3385621722338523
|
|
|
|
|
|
def test_load_via_imagepalette() -> None:
|
|
# Arrange
|
|
test_file = "Tests/images/gimp_gradient.ggr"
|
|
|
|
# Act
|
|
palette = ImagePalette.load(test_file)
|
|
|
|
# Assert
|
|
# load returns raw palette information
|
|
assert len(palette[0]) == 1024
|
|
assert palette[1] == "RGBA"
|
|
|
|
|
|
def test_load_1_3_via_imagepalette() -> None:
|
|
# Arrange
|
|
# GIMP 1.3 gradient files contain a name field
|
|
test_file = "Tests/images/gimp_gradient_with_name.ggr"
|
|
|
|
# Act
|
|
palette = ImagePalette.load(test_file)
|
|
|
|
# Assert
|
|
# load returns raw palette information
|
|
assert len(palette[0]) == 1024
|
|
assert palette[1] == "RGBA"
|