Pillow/Tests/test_file_gimpgradient.py
Hugo van Kemenade 4a4b90c365
Autotype tests (#7756)
* autotyping: --none-return
* autotyping: --scalar-return
* autotyping: --int-param
* autotyping: --float-param
* autotyping: --str-param
* autotyping: --annotate-named-param tmp_path:pathlib.Path
2024-01-31 20:12:58 +11:00

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"