first-commit

modules/util/color_test.go

@@ -0,0 +1,63 @@
+// Copyright 2023 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+package util
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func Test_HexToRBGColor(t *testing.T) {
+	cases := []struct {
+		colorString string
+		expectedR   float64
+		expectedG   float64
+		expectedB   float64
+	}{
+		{"2b8685", 43, 134, 133},
+		{"1e1", 17, 238, 17},
+		{"#1e1", 17, 238, 17},
+		{"1e16", 17, 238, 17},
+		{"3bb6b3", 59, 182, 179},
+		{"#3bb6b399", 59, 182, 179},
+		{"#0", 0, 0, 0},
+		{"#00000", 0, 0, 0},
+		{"#1234567", 0, 0, 0},
+	}
+	for n, c := range cases {
+		r, g, b := HexToRBGColor(c.colorString)
+		assert.InDelta(t, c.expectedR, r, 0, "case %d: error R should match: expected %f, but get %f", n, c.expectedR, r)
+		assert.InDelta(t, c.expectedG, g, 0, "case %d: error G should match: expected %f, but get %f", n, c.expectedG, g)
+		assert.InDelta(t, c.expectedB, b, 0, "case %d: error B should match: expected %f, but get %f", n, c.expectedB, b)
+	}
+}
+
+func Test_UseLightText(t *testing.T) {
+	cases := []struct {
+		color    string
+		expected string
+	}{
+		{"#d73a4a", "#fff"},
+		{"#0075ca", "#fff"},
+		{"#cfd3d7", "#000"},
+		{"#a2eeef", "#000"},
+		{"#7057ff", "#fff"},
+		{"#008672", "#fff"},
+		{"#e4e669", "#000"},
+		{"#d876e3", "#000"},
+		{"#ffffff", "#000"},
+		{"#2b8684", "#fff"},
+		{"#2b8786", "#fff"},
+		{"#2c8786", "#000"},
+		{"#3bb6b3", "#000"},
+		{"#7c7268", "#fff"},
+		{"#7e716c", "#fff"},
+		{"#81706d", "#fff"},
+		{"#807070", "#fff"},
+		{"#84b6eb", "#000"},
+	}
+	for n, c := range cases {
+		assert.Equal(t, c.expected, ContrastColor(c.color), "case %d: error should match", n)
+	}
+}