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// 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)
}
}
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