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gitea/modules/avatar/avatar_test.go

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// Copyright 2016 The Gogs Authors. All rights reserved.
// SPDX-License-Identifier: MIT
package avatar
import (
"bytes"
"image"
"image/png"
"os"
"testing"
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"code.gitea.io/gitea/modules/setting"
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"github.com/stretchr/testify/assert"
)
func Test_RandomImageSize(t *testing.T) {
_, err := RandomImageSize(0, []byte("gitea@local"))
assert.Error(t, err)
_, err = RandomImageSize(64, []byte("gitea@local"))
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assert.NoError(t, err)
}
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func Test_RandomImage(t *testing.T) {
_, err := RandomImage([]byte("gitea@local"))
assert.NoError(t, err)
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}
func Test_ProcessAvatarPNG(t *testing.T) {
setting.Avatar.MaxWidth = 4096
setting.Avatar.MaxHeight = 4096
data, err := os.ReadFile("testdata/avatar.png")
assert.NoError(t, err)
_, err = processAvatarImage(data, 262144)
assert.NoError(t, err)
}
func Test_ProcessAvatarJPEG(t *testing.T) {
setting.Avatar.MaxWidth = 4096
setting.Avatar.MaxHeight = 4096
data, err := os.ReadFile("testdata/avatar.jpeg")
assert.NoError(t, err)
_, err = processAvatarImage(data, 262144)
assert.NoError(t, err)
}
func Test_ProcessAvatarInvalidData(t *testing.T) {
setting.Avatar.MaxWidth = 5
setting.Avatar.MaxHeight = 5
_, err := processAvatarImage([]byte{}, 12800)
assert.EqualError(t, err, "image.DecodeConfig: image: unknown format")
}
func Test_ProcessAvatarInvalidImageSize(t *testing.T) {
setting.Avatar.MaxWidth = 5
setting.Avatar.MaxHeight = 5
data, err := os.ReadFile("testdata/avatar.png")
assert.NoError(t, err)
_, err = processAvatarImage(data, 12800)
assert.EqualError(t, err, "image width is too large: 10 > 5")
}
func Test_ProcessAvatarImage(t *testing.T) {
setting.Avatar.MaxWidth = 4096
setting.Avatar.MaxHeight = 4096
scaledSize := DefaultAvatarSize * setting.Avatar.RenderedSizeFactor
newImgData := func(size int, optHeight ...int) []byte {
width := size
height := size
if len(optHeight) == 1 {
height = optHeight[0]
}
img := image.NewRGBA(image.Rect(0, 0, width, height))
bs := bytes.Buffer{}
err := png.Encode(&bs, img)
assert.NoError(t, err)
return bs.Bytes()
}
// if origin image canvas is too large, crop and resize it
origin := newImgData(500, 600)
result, err := processAvatarImage(origin, 0)
assert.NoError(t, err)
assert.NotEqual(t, origin, result)
decoded, err := png.Decode(bytes.NewReader(result))
assert.NoError(t, err)
assert.EqualValues(t, scaledSize, decoded.Bounds().Max.X)
assert.EqualValues(t, scaledSize, decoded.Bounds().Max.Y)
// if origin image is smaller than the default size, use the origin image
origin = newImgData(1)
result, err = processAvatarImage(origin, 0)
assert.NoError(t, err)
assert.Equal(t, origin, result)
// use the origin image if the origin is smaller
origin = newImgData(scaledSize + 100)
result, err = processAvatarImage(origin, 0)
assert.NoError(t, err)
assert.Less(t, len(result), len(origin))
// still use the origin image if the origin doesn't exceed the max-origin-size
origin = newImgData(scaledSize + 100)
result, err = processAvatarImage(origin, 262144)
assert.NoError(t, err)
assert.Equal(t, origin, result)
// allow to use known image format (eg: webp) if it is small enough
origin, err = os.ReadFile("testdata/animated.webp")
assert.NoError(t, err)
result, err = processAvatarImage(origin, 262144)
assert.NoError(t, err)
assert.Equal(t, origin, result)
// do not support unknown image formats, eg: SVG may contain embedded JS
origin = []byte("<svg></svg>")
_, err = processAvatarImage(origin, 262144)
assert.ErrorContains(t, err, "image: unknown format")
// make sure the canvas size limit works
setting.Avatar.MaxWidth = 5
setting.Avatar.MaxHeight = 5
origin = newImgData(10)
_, err = processAvatarImage(origin, 262144)
assert.ErrorContains(t, err, "image width is too large: 10 > 5")
}