roles

utils/colors_test.go

@@ -0,0 +1,29 @@
+package utils_test
+
+import (
+	"testing"
+
+	"git.sapphic.engineer/roleypoly/v4/utils"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestIntToRgb(t *testing.T) {
+	r, g, b := utils.IntToRgb(0x123456)
+	assert.Equal(t, uint8(0x12), r, "red")
+	assert.Equal(t, uint8(0x34), g, "green")
+	assert.Equal(t, uint8(0x56), b, "blue")
+}
+
+func TestIsDarkColor(t *testing.T) {
+	isDark := utils.IsDarkColor(0, 0, 0)
+	assert.True(t, isDark)
+
+	isLight := utils.IsDarkColor(255, 255, 255)
+	assert.False(t, isLight)
+
+	isQuestionable := utils.IsDarkColor(0x88, 0x88, 0x88)
+	assert.False(t, isQuestionable)
+
+	isReallyQuestionable := utils.IsDarkColor(0x00, 0x88, 0x00)
+	assert.True(t, isReallyQuestionable)
+}