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gif2webp_test.go
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gif2webp_test.go
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package webpbin
import (
"image/gif"
"os"
"testing"
"github.com/stretchr/testify/assert"
)
func init() {
DetectUnsupportedPlatforms()
downloadFile("https://upload.wikimedia.org/wikipedia/commons/thumb/b/b7/CanadaLakeLouise_Bird.gif/240px-CanadaLakeLouise_Bird.gif", "source.gif")
}
func TestGifEncodeImage(t *testing.T) {
c := NewGif2WebP()
f, err := os.Open("source.gif")
assert.Nil(t, err)
img, err := gif.DecodeAll(f)
assert.Nil(t, err)
c.InputImage(img)
c.OutputFile("target.webp")
err = c.Run()
assert.Nil(t, err)
validateGifWebp(t)
}
func TestGifEncodeReader(t *testing.T) {
c := NewGif2WebP()
f, err := os.Open("source.gif")
assert.Nil(t, err)
c.Input(f)
c.OutputFile("target.webp")
err = c.Run()
assert.Nil(t, err)
validateGifWebp(t)
}
func TestGifEncodeFile(t *testing.T) {
c := NewGif2WebP()
c.InputFile("source.gif")
c.OutputFile("target.webp")
err := c.Run()
assert.Nil(t, err)
validateGifWebp(t)
}
func TestGifEncodeWriter(t *testing.T) {
f, err := os.Create("target.webp")
assert.Nil(t, err)
defer f.Close()
c := NewGif2WebP()
c.InputFile("source.gif")
c.Output(f)
err = c.Run()
assert.Nil(t, err)
f.Close()
validateGifWebp(t)
}
func TestGifVersionCWebP(t *testing.T) {
c := NewGif2WebP()
_, err := c.Version()
assert.Nil(t, err)
}
func validateGifWebp(t *testing.T) {
defer os.Remove("target.webp")
// We don't decode animated webp for check since it's implemented for now.
// fSource, err := os.Open("source.gif")
// assert.Nil(t, err)
// imgSource, err := gif.Decode(fSource)
// assert.Nil(t, err)
// fTarget, err := os.Open("target.webp")
// assert.Nil(t, err)
// defer fTarget.Close()
// imgTarget, err := webp.Decode(fTarget)
// assert.Nil(t, err)
// assert.Equal(t, imgSource.Bounds(), imgTarget.Bounds())
}