photoprism/internal/thumb/create_test.go
Michael Mayer 5be456a09f JPEG: Convert Apple "Display P3" colors to standard sRGB #1474
Other color profiles and file formats are not supported yet. Should
be easy to add though. Main difficulty will be profile name comparison:
For example "Adobe RGB (1998)" vs just "Adobe RGB".
2021-12-09 07:00:39 +01:00

464 lines
11 KiB
Go

package thumb
import (
"os"
"testing"
"github.com/disintegration/imaging"
"github.com/stretchr/testify/assert"
"github.com/photoprism/photoprism/pkg/fs"
)
func TestResampleOptions(t *testing.T) {
t.Run("ResamplePng, FillCenter", func(t *testing.T) {
method, filter, format := ResampleOptions(ResamplePng, ResampleFillCenter, ResampleDefault)
assert.Equal(t, ResampleFillCenter, method)
assert.Equal(t, imaging.Lanczos.Support, filter.Support)
assert.Equal(t, fs.FormatPng, format)
})
t.Run("ResampleNearestNeighbor, FillTopLeft", func(t *testing.T) {
method, filter, format := ResampleOptions(ResampleNearestNeighbor, ResampleFillTopLeft)
assert.Equal(t, ResampleFillTopLeft, method)
assert.Equal(t, imaging.NearestNeighbor.Support, filter.Support)
assert.Equal(t, fs.FormatJpeg, format)
})
t.Run("ResampleNearestNeighbor, FillBottomRight", func(t *testing.T) {
method, filter, format := ResampleOptions(ResampleNearestNeighbor, ResampleFillBottomRight)
assert.Equal(t, ResampleFillBottomRight, method)
assert.Equal(t, imaging.NearestNeighbor.Support, filter.Support)
assert.Equal(t, fs.FormatJpeg, format)
})
}
func TestResample(t *testing.T) {
t.Run("tile50 options", func(t *testing.T) {
tile50 := Sizes[Tile50]
src := "testdata/example.jpg"
assert.FileExists(t, src)
img, err := imaging.Open(src, imaging.AutoOrientation(true))
if err != nil {
t.Fatal(err)
}
bounds := img.Bounds()
assert.Equal(t, 750, bounds.Max.X)
assert.Equal(t, 500, bounds.Max.Y)
result := Resample(img, tile50.Width, tile50.Height, tile50.Options...)
boundsNew := result.Bounds()
assert.Equal(t, 50, boundsNew.Max.X)
assert.Equal(t, 50, boundsNew.Max.Y)
})
t.Run("left_224 options", func(t *testing.T) {
left224 := Sizes[Left224]
src := "testdata/example.jpg"
assert.FileExists(t, src)
img, err := imaging.Open(src, imaging.AutoOrientation(true))
if err != nil {
t.Fatal(err)
}
bounds := img.Bounds()
assert.Equal(t, 750, bounds.Max.X)
assert.Equal(t, 500, bounds.Max.Y)
result := Resample(img, left224.Width, left224.Height, left224.Options...)
boundsNew := result.Bounds()
assert.Equal(t, 224, boundsNew.Max.X)
assert.Equal(t, 224, boundsNew.Max.Y)
})
t.Run("right_224 options", func(t *testing.T) {
right224 := Sizes[Right224]
src := "testdata/example.jpg"
assert.FileExists(t, src)
img, err := imaging.Open(src, imaging.AutoOrientation(true))
if err != nil {
t.Fatal(err)
}
bounds := img.Bounds()
assert.Equal(t, 750, bounds.Max.X)
assert.Equal(t, 500, bounds.Max.Y)
result := Resample(img, right224.Width, right224.Height, right224.Options...)
boundsNew := result.Bounds()
assert.Equal(t, 224, boundsNew.Max.X)
assert.Equal(t, 224, boundsNew.Max.Y)
})
t.Run("fit_1280 options", func(t *testing.T) {
fit1280 := Sizes[Fit1280]
src := "testdata/example.jpg"
assert.FileExists(t, src)
img, err := imaging.Open(src, imaging.AutoOrientation(true))
if err != nil {
t.Fatal(err)
}
bounds := img.Bounds()
assert.Equal(t, 750, bounds.Max.X)
assert.Equal(t, 500, bounds.Max.Y)
result := Resample(img, fit1280.Width, fit1280.Height, fit1280.Options...)
boundsNew := result.Bounds()
assert.Equal(t, 750, boundsNew.Max.X)
assert.Equal(t, 500, boundsNew.Max.Y)
})
}
func TestSuffix(t *testing.T) {
tile50 := Sizes[Tile50]
result := Suffix(tile50.Width, tile50.Height, tile50.Options...)
assert.Equal(t, "50x50_center.jpg", result)
}
func TestFileName(t *testing.T) {
t.Run("colors", func(t *testing.T) {
colorThumb := Sizes[Colors]
result, err := FileName("123456789098765432", "testdata", colorThumb.Width, colorThumb.Height, colorThumb.Options...)
if err != nil {
t.Fatal(err)
}
assert.Equal(t, "testdata/1/2/3/123456789098765432_3x3_resize.png", result)
})
t.Run("fit_720", func(t *testing.T) {
fit720 := Sizes[Fit720]
result, err := FileName("123456789098765432", "testdata", fit720.Width, fit720.Height, fit720.Options...)
if err != nil {
t.Fatal(err)
}
assert.Equal(t, "testdata/1/2/3/123456789098765432_720x720_fit.jpg", result)
})
t.Run("invalid width", func(t *testing.T) {
colorThumb := Sizes[Colors]
result, err := FileName("123456789098765432", "testdata", -2, colorThumb.Height, colorThumb.Options...)
if err == nil {
t.Fatal("error expected")
}
assert.Equal(t, "resample: width exceeds limit (-2)", err.Error())
assert.Empty(t, result)
})
t.Run("invalid height", func(t *testing.T) {
colorThumb := Sizes[Colors]
result, err := FileName("123456789098765432", "testdata", colorThumb.Width, -3, colorThumb.Options...)
if err == nil {
t.Fatal("error expected")
}
assert.Equal(t, "resample: height exceeds limit (-3)", err.Error())
assert.Empty(t, result)
})
t.Run("invalid hash", func(t *testing.T) {
colorThumb := Sizes[Colors]
result, err := FileName("12", "testdata", colorThumb.Width, colorThumb.Height, colorThumb.Options...)
if err == nil {
t.Fatal("error expected")
}
assert.Equal(t, "resample: file hash is empty or too short (12)", err.Error())
assert.Empty(t, result)
})
t.Run("invalid thumb path", func(t *testing.T) {
colorThumb := Sizes[Colors]
result, err := FileName("123456789098765432", "", colorThumb.Width, colorThumb.Height, colorThumb.Options...)
if err == nil {
t.Fatal("error expected")
}
assert.Equal(t, "resample: folder is empty", err.Error())
assert.Empty(t, result)
})
}
func TestFromFile(t *testing.T) {
t.Run("colors", func(t *testing.T) {
colorThumb := Sizes[Colors]
src := "testdata/example.gif"
dst := "testdata/1/2/3/123456789098765432_3x3_resize.png"
assert.FileExists(t, src)
fileName, err := FromFile(src, "123456789098765432", "testdata", colorThumb.Width, colorThumb.Height, OrientationNormal, colorThumb.Options...)
if err != nil {
t.Fatal(err)
}
assert.Equal(t, dst, fileName)
assert.FileExists(t, dst)
})
t.Run("orientation >1 ", func(t *testing.T) {
colorThumb := Sizes[Colors]
src := "testdata/example.gif"
dst := "testdata/1/2/3/123456789098765432_3x3_resize.png"
assert.FileExists(t, src)
fileName, err := FromFile(src, "123456789098765432", "testdata", colorThumb.Width, colorThumb.Height, 3, colorThumb.Options...)
if err != nil {
t.Fatal(err)
}
assert.Equal(t, dst, fileName)
assert.FileExists(t, dst)
})
t.Run("missing file", func(t *testing.T) {
colorThumb := Sizes[Colors]
src := "testdata/example.xxx"
assert.NoFileExists(t, src)
fileName, err := FromFile(src, "193456789098765432", "testdata", colorThumb.Width, colorThumb.Height, OrientationNormal, colorThumb.Options...)
assert.Equal(t, "", fileName)
assert.Error(t, err)
})
t.Run("empty filename", func(t *testing.T) {
colorThumb := Sizes[Colors]
fileName, err := FromFile("", "193456789098765432", "testdata", colorThumb.Width, colorThumb.Height, OrientationNormal, colorThumb.Options...)
if err == nil {
t.Fatal("error expected")
}
assert.Equal(t, "", fileName)
assert.Equal(t, "resample: invalid file name “”", err.Error())
})
}
func TestFromCache(t *testing.T) {
t.Run("missing thumb", func(t *testing.T) {
tile50 := Sizes[Tile50]
src := "testdata/example.jpg"
assert.FileExists(t, src)
fileName, err := FromCache(src, "193456789098765432", "testdata", tile50.Width, tile50.Height, tile50.Options...)
assert.Equal(t, "", fileName)
if err != ErrThumbNotCached {
t.Fatal("ErrThumbNotCached expected")
}
})
t.Run("missing file", func(t *testing.T) {
tile50 := Sizes[Tile50]
src := "testdata/example.xxx"
assert.NoFileExists(t, src)
fileName, err := FromCache(src, "193456789098765432", "testdata", tile50.Width, tile50.Height, tile50.Options...)
assert.Equal(t, "", fileName)
assert.Error(t, err)
})
t.Run("invalid hash", func(t *testing.T) {
tile50 := Sizes[Tile50]
src := "testdata/example.jpg"
assert.FileExists(t, src)
fileName, err := FromCache(src, "12", "testdata", tile50.Width, tile50.Height, tile50.Options...)
if err == nil {
t.Fatal("error expected")
}
assert.Equal(t, "resample: invalid file hash 12", err.Error())
assert.Empty(t, fileName)
})
t.Run("empty filename", func(t *testing.T) {
tile50 := Sizes[Tile50]
fileName, err := FromCache("", "193456789098765432", "testdata", tile50.Width, tile50.Height, tile50.Options...)
if err == nil {
t.Fatal("error expected")
}
assert.Equal(t, "resample: invalid file name “”", err.Error())
assert.Empty(t, fileName)
})
}
func TestCreate(t *testing.T) {
t.Run("tile_500", func(t *testing.T) {
tile500 := Sizes[Tile500]
src := "testdata/example.jpg"
dst := "testdata/example.tile_500.jpg"
assert.FileExists(t, src)
assert.NoFileExists(t, dst)
img, err := imaging.Open(src, imaging.AutoOrientation(true))
if err != nil {
t.Fatal(err)
}
bounds := img.Bounds()
assert.Equal(t, 750, bounds.Max.X)
assert.Equal(t, 500, bounds.Max.Y)
resized, err := Create(img, dst, tile500.Width, tile500.Height, tile500.Options...)
if err != nil {
t.Fatal(err)
}
assert.FileExists(t, dst)
if err := os.Remove(dst); err != nil {
t.Fatal(err)
}
imgNew := resized
boundsNew := imgNew.Bounds()
assert.Equal(t, 500, boundsNew.Max.X)
assert.Equal(t, 500, boundsNew.Max.Y)
})
t.Run("width & height <= 150", func(t *testing.T) {
tile500 := Sizes[Tile500]
src := "testdata/example.jpg"
dst := "testdata/example.tile_500.jpg"
assert.FileExists(t, src)
assert.NoFileExists(t, dst)
img, err := imaging.Open(src, imaging.AutoOrientation(true))
if err != nil {
t.Fatal(err)
}
bounds := img.Bounds()
assert.Equal(t, 750, bounds.Max.X)
assert.Equal(t, 500, bounds.Max.Y)
resized, err := Create(img, dst, 150, 150, tile500.Options...)
if err != nil {
t.Fatal(err)
}
assert.FileExists(t, dst)
if err := os.Remove(dst); err != nil {
t.Fatal(err)
}
imgNew := resized
boundsNew := imgNew.Bounds()
assert.Equal(t, 150, boundsNew.Max.X)
assert.Equal(t, 150, boundsNew.Max.Y)
})
t.Run("invalid width", func(t *testing.T) {
tile500 := Sizes[Tile500]
src := "testdata/example.jpg"
dst := "testdata/example.tile_500.jpg"
assert.FileExists(t, src)
assert.NoFileExists(t, dst)
img, err := imaging.Open(src, imaging.AutoOrientation(true))
if err != nil {
t.Fatal(err)
}
bounds := img.Bounds()
assert.Equal(t, 750, bounds.Max.X)
assert.Equal(t, 500, bounds.Max.Y)
resized, err := Create(img, dst, -5, tile500.Height, tile500.Options...)
if err == nil {
t.Fatal("error expected")
}
assert.Equal(t, "resample: width has an invalid value (-5)", err.Error())
t.Log(resized)
})
t.Run("invalid height", func(t *testing.T) {
tile500 := Sizes[Tile500]
src := "testdata/example.jpg"
dst := "testdata/example.tile_500.jpg"
assert.FileExists(t, src)
assert.NoFileExists(t, dst)
img, err := imaging.Open(src, imaging.AutoOrientation(true))
if err != nil {
t.Fatal(err)
}
bounds := img.Bounds()
assert.Equal(t, 750, bounds.Max.X)
assert.Equal(t, 500, bounds.Max.Y)
resized, err := Create(img, dst, tile500.Width, -3, tile500.Options...)
if err == nil {
t.Fatal("error expected")
}
assert.Equal(t, "resample: height has an invalid value (-3)", err.Error())
t.Log(resized)
})
}