forgejo-federation/modules/avatar/identicon/identicon_test.go
wxiaoguang a8fd76557b
Better builtin avatar generator (#17707)
This PR fixes the builtin avatar generator.

1. The random background color makes some images very dirty. So now we only use white background for avatars.
2. We use left-right mirror avatars to satisfy #14799
3. Fix a small padding error in the algorithm
2021-11-20 01:10:41 +08:00

42 lines
909 B
Go

// Copyright 2021 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
//go:build test_avatar_identicon
// +build test_avatar_identicon
package identicon
import (
"image/color"
"image/png"
"os"
"strconv"
"testing"
"github.com/stretchr/testify/assert"
)
func TestGenerate(t *testing.T) {
dir, _ := os.Getwd()
dir = dir + "/testdata"
if st, err := os.Stat(dir); err != nil || !st.IsDir() {
t.Errorf("can not save generated images to %s", dir)
}
backColor := color.White
imgMaker, err := New(64, backColor, DarkColors...)
assert.NoError(t, err)
for i := 0; i < 100; i++ {
s := strconv.Itoa(i)
img := imgMaker.Make([]byte(s))
f, err := os.Create(dir + "/" + s + ".png")
if !assert.NoError(t, err) {
continue
}
defer f.Close()
err = png.Encode(f, img)
assert.NoError(t, err)
}
}