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// 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
)
// 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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