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role color stuff

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This commit is contained in:
41666 2025-04-05 23:38:02 -07:00
parent 41d48bf60a
commit f72c7a357b
9 changed files with 165 additions and 14 deletions
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41
utils/colors_test.go
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@ -7,6 +7,11 @@ import (
"github.com/stretchr/testify/assert"
)
const (
WCAGAAA float64 = 0.14285714285714285
WCAGAA float64 = 0.25
)
func TestIntToRgb(t *testing.T) {
r, g, b := utils.IntToRgb(0x123456)
assert.Equal(t, uint8(0x12), r, "red")
@ -27,3 +32,39 @@ func TestIsDarkColor(t *testing.T) {
isReallyQuestionable := utils.IsDarkColor(0x00, 0x88, 0x00)
assert.True(t, isReallyQuestionable)
}
func TestBrighten(t *testing.T) {
r, g, b := utils.Brighten(0, 0, 0, 0.1)
assert.Equal(t, uint8(0x19), r)
assert.Equal(t, uint8(0x19), g)
assert.Equal(t, uint8(0x19), b)
// assert.LessOrEqual(t, WCAGAA, utils.WCAGRatio(
// utils.Luminance(0, 0, 0),
// utils.Luminance(r, g, b),
// ))
r, g, b = utils.Brighten(0x88, 0x88, 0x88, -0.1)
assert.Equal(t, uint8(0x88-0x19-1), r)
assert.Equal(t, uint8(0x88-0x19-1), g)
assert.Equal(t, uint8(0x88-0x19-1), b)
// assert.LessOrEqual(t, WCAGAA, utils.WCAGRatio(
// utils.Luminance(0x88, 0x88, 0x88),
// utils.Luminance(r, g, b),
// ))
}
func TestRgbToString(t *testing.T) {
assert.Equal(t, "#acab69", utils.RgbToString(0xac, 0xab, 0x69))
}
func TestAltColor(t *testing.T) {
r, g, b := utils.AltColor(0xa2, 0xc2, 0x42)
assert.Equal(t, uint8(0x09), r, "red")
assert.Equal(t, uint8(0x29), g, "green")
assert.Equal(t, uint8(0x00), b, "blue")
r, g, b = utils.AltColor(0xa2, 0x15, 0x18)
assert.Equal(t, uint8(0xff), r, "red")
assert.Equal(t, uint8(0xed), g, "green")
assert.Equal(t, uint8(0xf0), b, "blue")
}