/usr/share/gocode/src/github.com/issue9/identicon/identicon_test.go is in golang-github-issue9-identicon-dev 0.0~git20170630.0.5196591-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 | // Copyright 2015 by caixw, All rights reserved.
// Use of this source code is governed by a MIT
// license that can be found in the LICENSE file.
package identicon
import (
"image"
"image/color"
"image/png"
"os"
"strconv"
"testing"
"github.com/issue9/assert"
)
var (
back = color.RGBA{255, 0, 0, 100}
fore = color.RGBA{0, 255, 255, 100}
fores = []color.Color{color.Black, color.RGBA{200, 2, 5, 100}, color.RGBA{2, 200, 5, 100}}
size = 128
)
// 在不存在testdata目录下的情况下，自动创建一个目录。
func TestInit(t *testing.T) {
a := assert.New(t)
a.NotError(os.MkdirAll("./testdata/", os.ModePerm))
}
// 依次画出各个网络的图像。
func TestBlocks(t *testing.T) {
p := []color.Color{back, fore}
a := assert.New(t)
for k, v := range blocks {
img := image.NewPaletted(image.Rect(0, 0, size*4, size), p) // 横向4张图片大小
for i := 0; i < 4; i++ {
v(img, float64(i*size), 0, float64(size), i)
}
fi, err := os.Create("./testdata/block-" + strconv.Itoa(k) + ".png")
a.NotError(err).NotNil(fi)
a.NotError(png.Encode(fi, img))
a.NotError(fi.Close()) // 关闭文件
}
}
// 产生一组测试图片
func TestDrawBlocks(t *testing.T) {
a := assert.New(t)
for i := 0; i < 20; i++ {
p := image.NewPaletted(image.Rect(0, 0, size, size), []color.Color{back, fore})
c := (i + 1) % len(centerBlocks)
b1 := (i + 2) % len(blocks)
b2 := (i + 3) % len(blocks)
drawBlocks(p, size, centerBlocks[c], blocks[b1], blocks[b2], 0)
fi, err := os.Create("./testdata/draw-" + strconv.Itoa(i) + ".png")
a.NotError(err).NotNil(fi)
a.NotError(png.Encode(fi, p))
a.NotError(fi.Close()) // 关闭文件
}
}
func TestMake(t *testing.T) {
a := assert.New(t)
for i := 0; i < 20; i++ {
img, err := Make(size, back, fore, []byte("make-"+strconv.Itoa(i)))
a.NotError(err).NotNil(img)
fi, err := os.Create("./testdata/make-" + strconv.Itoa(i) + ".png")
a.NotError(err).NotNil(fi)
a.NotError(png.Encode(fi, img))
a.NotError(fi.Close()) // 关闭文件
}
}
func TestIdenticon(t *testing.T) {
a := assert.New(t)
ii, err := New(size, back, fores...)
a.NotError(err).NotNil(ii)
for i := 0; i < 20; i++ {
img := ii.Make([]byte("identicon-" + strconv.Itoa(i)))
a.NotNil(img)
fi, err := os.Create("./testdata/identicon-" + strconv.Itoa(i) + ".png")
a.NotError(err).NotNil(fi)
a.NotError(png.Encode(fi, img))
a.NotError(fi.Close()) // 关闭文件
}
}
// BenchmarkMake 5000 229378 ns/op
func BenchmarkMake(b *testing.B) {
a := assert.New(b)
for i := 0; i < b.N; i++ {
img, err := Make(size, back, fore, []byte("Make"))
a.NotError(err).NotNil(img)
}
}
// BenchmarkIdenticon_Make 10000 222127 ns/op
func BenchmarkIdenticon_Make(b *testing.B) {
a := assert.New(b)
ii, err := New(size, back, fores...)
a.NotError(err).NotNil(ii)
for i := 0; i < b.N; i++ {
img := ii.Make([]byte("Make"))
a.NotNil(img)
}
}
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