463 lines
11 KiB
Go
463 lines
11 KiB
Go
package thumb
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import (
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"os"
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"testing"
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"github.com/disintegration/imaging"
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"github.com/photoprism/photoprism/pkg/fs"
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"github.com/stretchr/testify/assert"
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)
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func TestResampleOptions(t *testing.T) {
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t.Run("ResamplePng, FillCenter", func(t *testing.T) {
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method, filter, format := ResampleOptions(ResamplePng, ResampleFillCenter, ResampleDefault)
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assert.Equal(t, ResampleFillCenter, method)
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assert.Equal(t, imaging.Lanczos.Support, filter.Support)
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assert.Equal(t, fs.FormatPng, format)
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})
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t.Run("ResampleNearestNeighbor, FillTopLeft", func(t *testing.T) {
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method, filter, format := ResampleOptions(ResampleNearestNeighbor, ResampleFillTopLeft)
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assert.Equal(t, ResampleFillTopLeft, method)
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assert.Equal(t, imaging.NearestNeighbor.Support, filter.Support)
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assert.Equal(t, fs.FormatJpeg, format)
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})
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t.Run("ResampleNearestNeighbor, FillBottomRight", func(t *testing.T) {
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method, filter, format := ResampleOptions(ResampleNearestNeighbor, ResampleFillBottomRight)
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assert.Equal(t, ResampleFillBottomRight, method)
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assert.Equal(t, imaging.NearestNeighbor.Support, filter.Support)
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assert.Equal(t, fs.FormatJpeg, format)
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})
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}
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func TestResample(t *testing.T) {
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t.Run("tile50 options", func(t *testing.T) {
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tile50 := Types["tile_50"]
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src := "testdata/example.jpg"
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assert.FileExists(t, src)
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img, err := imaging.Open(src, imaging.AutoOrientation(true))
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if err != nil {
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t.Fatal(err)
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}
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bounds := img.Bounds()
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assert.Equal(t, 750, bounds.Max.X)
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assert.Equal(t, 500, bounds.Max.Y)
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result := Resample(img, tile50.Width, tile50.Height, tile50.Options...)
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boundsNew := result.Bounds()
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assert.Equal(t, 50, boundsNew.Max.X)
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assert.Equal(t, 50, boundsNew.Max.Y)
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})
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t.Run("left_224 options", func(t *testing.T) {
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left224 := Types["left_224"]
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src := "testdata/example.jpg"
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assert.FileExists(t, src)
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img, err := imaging.Open(src, imaging.AutoOrientation(true))
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if err != nil {
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t.Fatal(err)
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}
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bounds := img.Bounds()
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assert.Equal(t, 750, bounds.Max.X)
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assert.Equal(t, 500, bounds.Max.Y)
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result := Resample(img, left224.Width, left224.Height, left224.Options...)
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boundsNew := result.Bounds()
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assert.Equal(t, 224, boundsNew.Max.X)
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assert.Equal(t, 224, boundsNew.Max.Y)
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})
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t.Run("right_224 options", func(t *testing.T) {
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right224 := Types["right_224"]
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src := "testdata/example.jpg"
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assert.FileExists(t, src)
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img, err := imaging.Open(src, imaging.AutoOrientation(true))
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if err != nil {
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t.Fatal(err)
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}
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bounds := img.Bounds()
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assert.Equal(t, 750, bounds.Max.X)
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assert.Equal(t, 500, bounds.Max.Y)
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result := Resample(img, right224.Width, right224.Height, right224.Options...)
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boundsNew := result.Bounds()
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assert.Equal(t, 224, boundsNew.Max.X)
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assert.Equal(t, 224, boundsNew.Max.Y)
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})
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t.Run("fit_1280 options", func(t *testing.T) {
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fit1280 := Types["fit_1280"]
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src := "testdata/example.jpg"
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assert.FileExists(t, src)
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img, err := imaging.Open(src, imaging.AutoOrientation(true))
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if err != nil {
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t.Fatal(err)
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}
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bounds := img.Bounds()
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assert.Equal(t, 750, bounds.Max.X)
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assert.Equal(t, 500, bounds.Max.Y)
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result := Resample(img, fit1280.Width, fit1280.Height, fit1280.Options...)
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boundsNew := result.Bounds()
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assert.Equal(t, 750, boundsNew.Max.X)
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assert.Equal(t, 500, boundsNew.Max.Y)
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})
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}
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func TestPostfix(t *testing.T) {
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tile50 := Types["tile_50"]
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result := Postfix(tile50.Width, tile50.Height, tile50.Options...)
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assert.Equal(t, "50x50_center.jpg", result)
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}
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func TestFilename(t *testing.T) {
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t.Run("colors", func(t *testing.T) {
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colorThumb := Types["colors"]
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result, err := Filename("123456789098765432", "testdata", colorThumb.Width, colorThumb.Height, colorThumb.Options...)
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if err != nil {
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t.Fatal(err)
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}
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assert.Equal(t, "testdata/1/2/3/123456789098765432_3x3_resize.png", result)
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})
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t.Run("fit_720", func(t *testing.T) {
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fit720 := Types["fit_720"]
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result, err := Filename("123456789098765432", "testdata", fit720.Width, fit720.Height, fit720.Options...)
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if err != nil {
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t.Fatal(err)
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}
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assert.Equal(t, "testdata/1/2/3/123456789098765432_720x720_fit.jpg", result)
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})
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t.Run("invalid width", func(t *testing.T) {
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colorThumb := Types["colors"]
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result, err := Filename("123456789098765432", "testdata", -2, colorThumb.Height, colorThumb.Options...)
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if err == nil {
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t.Fatal("error expected")
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}
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assert.Equal(t, "resample: width exceeds limit (-2)", err.Error())
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assert.Empty(t, result)
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})
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t.Run("invalid height", func(t *testing.T) {
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colorThumb := Types["colors"]
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result, err := Filename("123456789098765432", "testdata", colorThumb.Width, -3, colorThumb.Options...)
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if err == nil {
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t.Fatal("error expected")
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}
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assert.Equal(t, "resample: height exceeds limit (-3)", err.Error())
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assert.Empty(t, result)
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})
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t.Run("invalid hash", func(t *testing.T) {
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colorThumb := Types["colors"]
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result, err := Filename("12", "testdata", colorThumb.Width, colorThumb.Height, colorThumb.Options...)
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if err == nil {
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t.Fatal("error expected")
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}
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assert.Equal(t, "resample: file hash is empty or too short (12)", err.Error())
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assert.Empty(t, result)
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})
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t.Run("invalid thumb path", func(t *testing.T) {
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colorThumb := Types["colors"]
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result, err := Filename("123456789098765432", "", colorThumb.Width, colorThumb.Height, colorThumb.Options...)
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if err == nil {
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t.Fatal("error expected")
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}
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assert.Equal(t, "resample: folder is empty", err.Error())
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assert.Empty(t, result)
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})
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}
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func TestFromFile(t *testing.T) {
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t.Run("colors", func(t *testing.T) {
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colorThumb := Types["colors"]
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src := "testdata/example.gif"
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dst := "testdata/1/2/3/123456789098765432_3x3_resize.png"
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assert.FileExists(t, src)
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fileName, err := FromFile(src, "123456789098765432", "testdata", colorThumb.Width, colorThumb.Height, OrientationNormal, colorThumb.Options...)
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if err != nil {
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t.Fatal(err)
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}
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assert.Equal(t, dst, fileName)
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assert.FileExists(t, dst)
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})
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t.Run("orientation >1 ", func(t *testing.T) {
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colorThumb := Types["colors"]
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src := "testdata/example.gif"
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dst := "testdata/1/2/3/123456789098765432_3x3_resize.png"
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assert.FileExists(t, src)
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fileName, err := FromFile(src, "123456789098765432", "testdata", colorThumb.Width, colorThumb.Height, 3, colorThumb.Options...)
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if err != nil {
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t.Fatal(err)
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}
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assert.Equal(t, dst, fileName)
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assert.FileExists(t, dst)
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})
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t.Run("missing file", func(t *testing.T) {
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colorThumb := Types["colors"]
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src := "testdata/example.xxx"
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assert.NoFileExists(t, src)
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fileName, err := FromFile(src, "193456789098765432", "testdata", colorThumb.Width, colorThumb.Height, OrientationNormal, colorThumb.Options...)
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assert.Equal(t, "", fileName)
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assert.Error(t, err)
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})
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t.Run("empty filename", func(t *testing.T) {
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colorThumb := Types["colors"]
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fileName, err := FromFile("", "193456789098765432", "testdata", colorThumb.Width, colorThumb.Height, OrientationNormal, colorThumb.Options...)
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if err == nil {
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t.Fatal("error expected")
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}
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assert.Equal(t, "", fileName)
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assert.Equal(t, "resample: image filename is empty or too short ()", err.Error())
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})
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}
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func TestFromCache(t *testing.T) {
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t.Run("missing thumb", func(t *testing.T) {
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tile50 := Types["tile_50"]
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src := "testdata/example.jpg"
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assert.FileExists(t, src)
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fileName, err := FromCache(src, "193456789098765432", "testdata", tile50.Width, tile50.Height, tile50.Options...)
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assert.Equal(t, "", fileName)
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if err != ErrThumbNotCached {
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t.Fatal("ErrThumbNotCached expected")
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}
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})
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t.Run("missing file", func(t *testing.T) {
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tile50 := Types["tile_50"]
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src := "testdata/example.xxx"
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assert.NoFileExists(t, src)
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fileName, err := FromCache(src, "193456789098765432", "testdata", tile50.Width, tile50.Height, tile50.Options...)
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assert.Equal(t, "", fileName)
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assert.Error(t, err)
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})
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t.Run("invalid hash", func(t *testing.T) {
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tile50 := Types["tile_50"]
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src := "testdata/example.jpg"
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assert.FileExists(t, src)
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fileName, err := FromCache(src, "12", "testdata", tile50.Width, tile50.Height, tile50.Options...)
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if err == nil {
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t.Fatal("error expected")
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}
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assert.Equal(t, "resample: file hash is empty or too short (12)", err.Error())
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assert.Empty(t, fileName)
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})
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t.Run("empty filename", func(t *testing.T) {
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tile50 := Types["tile_50"]
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fileName, err := FromCache("", "193456789098765432", "testdata", tile50.Width, tile50.Height, tile50.Options...)
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if err == nil {
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t.Fatal("error expected")
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}
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assert.Equal(t, "resample: image filename is empty or too short ()", err.Error())
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assert.Empty(t, fileName)
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})
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}
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func TestCreate(t *testing.T) {
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t.Run("tile_500", func(t *testing.T) {
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tile500 := Types["tile_500"]
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src := "testdata/example.jpg"
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dst := "testdata/example.tile_500.jpg"
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assert.FileExists(t, src)
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assert.NoFileExists(t, dst)
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img, err := imaging.Open(src, imaging.AutoOrientation(true))
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if err != nil {
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t.Fatal(err)
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}
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bounds := img.Bounds()
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assert.Equal(t, 750, bounds.Max.X)
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assert.Equal(t, 500, bounds.Max.Y)
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resized, err := Create(img, dst, tile500.Width, tile500.Height, tile500.Options...)
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if err != nil {
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t.Fatal(err)
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}
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assert.FileExists(t, dst)
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if err := os.Remove(dst); err != nil {
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t.Fatal(err)
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}
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imgNew := resized
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boundsNew := imgNew.Bounds()
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assert.Equal(t, 500, boundsNew.Max.X)
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assert.Equal(t, 500, boundsNew.Max.Y)
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})
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t.Run("width & height <= 150", func(t *testing.T) {
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tile500 := Types["tile_500"]
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src := "testdata/example.jpg"
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dst := "testdata/example.tile_500.jpg"
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assert.FileExists(t, src)
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assert.NoFileExists(t, dst)
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img, err := imaging.Open(src, imaging.AutoOrientation(true))
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if err != nil {
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t.Fatal(err)
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}
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bounds := img.Bounds()
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assert.Equal(t, 750, bounds.Max.X)
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assert.Equal(t, 500, bounds.Max.Y)
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resized, err := Create(img, dst, 150, 150, tile500.Options...)
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if err != nil {
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t.Fatal(err)
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}
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assert.FileExists(t, dst)
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if err := os.Remove(dst); err != nil {
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t.Fatal(err)
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}
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imgNew := resized
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boundsNew := imgNew.Bounds()
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assert.Equal(t, 150, boundsNew.Max.X)
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assert.Equal(t, 150, boundsNew.Max.Y)
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})
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t.Run("invalid width", func(t *testing.T) {
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tile500 := Types["tile_500"]
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src := "testdata/example.jpg"
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dst := "testdata/example.tile_500.jpg"
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assert.FileExists(t, src)
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assert.NoFileExists(t, dst)
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img, err := imaging.Open(src, imaging.AutoOrientation(true))
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if err != nil {
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t.Fatal(err)
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}
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bounds := img.Bounds()
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assert.Equal(t, 750, bounds.Max.X)
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assert.Equal(t, 500, bounds.Max.Y)
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resized, err := Create(img, dst, -5, tile500.Height, tile500.Options...)
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if err == nil {
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t.Fatal("error expected")
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}
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assert.Equal(t, "resample: width has an invalid value (-5)", err.Error())
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t.Log(resized)
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})
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t.Run("invalid height", func(t *testing.T) {
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tile500 := Types["tile_500"]
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src := "testdata/example.jpg"
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dst := "testdata/example.tile_500.jpg"
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assert.FileExists(t, src)
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assert.NoFileExists(t, dst)
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img, err := imaging.Open(src, imaging.AutoOrientation(true))
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if err != nil {
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t.Fatal(err)
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}
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bounds := img.Bounds()
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assert.Equal(t, 750, bounds.Max.X)
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assert.Equal(t, 500, bounds.Max.Y)
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resized, err := Create(img, dst, tile500.Width, -3, tile500.Options...)
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if err == nil {
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t.Fatal("error expected")
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}
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assert.Equal(t, "resample: height has an invalid value (-3)", err.Error())
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t.Log(resized)
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})
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}
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