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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"
-
- "code.gitea.io/gitea/modules/setting"
-
- "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"))
- assert.NoError(t, err)
- }
-
- func Test_RandomImage(t *testing.T) {
- _, err := RandomImage([]byte("gitea@local"))
- assert.NoError(t, err)
- }
-
- 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")
- }
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