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) }) }