fiddle around with workers

internal/media/image.go

@@ -20,6 +20,7 @@
 
 import (
 	"bytes"
+	"context"
 	"errors"
 	"fmt"
 	"image"
@@ -51,7 +52,8 @@ type imageAndMeta struct {
 	blurhash string
 }
 
-func (m *manager) processImage(data []byte, contentType string) (*gtsmodel.MediaAttachment, error) {
+func (m *manager) processImage(ctx context.Context, data []byte, contentType string, accountID string) {
+
 	var clean []byte
 	var err error
 	var original *imageAndMeta
@@ -68,9 +70,9 @@ func (m *manager) processImage(data []byte, contentType string) (*gtsmodel.Media
 	case mimeImageGif:
 		// gifs are already clean - no exif data to remove
 		clean = data
-		original, err = decodeGif(clean, contentType)
+		original, err = decodeGif(clean)
 	default:
-		err = fmt.Errorf("content type %s not a recognized image type", contentType)
+		err = fmt.Errorf("content type %s not a processible image type", contentType)
 	}
 
 	if err != nil {
@@ -89,47 +91,46 @@ func (m *manager) processImage(data []byte, contentType string) (*gtsmodel.Media
 		return nil, err
 	}
 
-	originalURL := uris.GenerateURIForAttachment(minAttachment.AccountID, string(TypeAttachment), string(SizeOriginal), attachmentID, extension)
-	smallURL := uris.GenerateURIForAttachment(minAttachment.AccountID, string(TypeAttachment), string(SizeSmall), attachmentID, "jpeg") // all thumbnails/smalls are encoded as jpeg
+	originalURL := uris.GenerateURIForAttachment(accountID, string(TypeAttachment), string(SizeOriginal), attachmentID, extension)
+	smallURL := uris.GenerateURIForAttachment(accountID, string(TypeAttachment), string(SizeSmall), attachmentID, "jpeg") // all thumbnails/smalls are encoded as jpeg
 
 	// we store the original...
-	originalPath := fmt.Sprintf("%s/%s/%s/%s.%s", minAttachment.AccountID, TypeAttachment, SizeOriginal, attachmentID, extension)
+	originalPath := fmt.Sprintf("%s/%s/%s/%s.%s", accountID, TypeAttachment, SizeOriginal, attachmentID, extension)
 	if err := m.storage.Put(originalPath, original.image); err != nil {
 		return nil, fmt.Errorf("storage error: %s", err)
 	}
 
 	// and a thumbnail...
-	smallPath := fmt.Sprintf("%s/%s/%s/%s.jpeg", minAttachment.AccountID, TypeAttachment, SizeSmall, attachmentID) // all thumbnails/smalls are encoded as jpeg
+	smallPath := fmt.Sprintf("%s/%s/%s/%s.jpeg", accountID, TypeAttachment, SizeSmall, attachmentID) // all thumbnails/smalls are encoded as jpeg
 	if err := m.storage.Put(smallPath, small.image); err != nil {
 		return nil, fmt.Errorf("storage error: %s", err)
 	}
 
-	minAttachment.FileMeta.Original = gtsmodel.Original{
-		Width:  original.width,
-		Height: original.height,
-		Size:   original.size,
-		Aspect: original.aspect,
-	}
-
-	minAttachment.FileMeta.Small = gtsmodel.Small{
-		Width:  small.width,
-		Height: small.height,
-		Size:   small.size,
-		Aspect: small.aspect,
-	}
-
 	attachment := &gtsmodel.MediaAttachment{
-		ID:                attachmentID,
-		StatusID:          minAttachment.StatusID,
-		URL:               originalURL,
-		RemoteURL:         minAttachment.RemoteURL,
-		CreatedAt:         minAttachment.CreatedAt,
-		UpdatedAt:         minAttachment.UpdatedAt,
-		Type:              gtsmodel.FileTypeImage,
-		FileMeta:          minAttachment.FileMeta,
-		AccountID:         minAttachment.AccountID,
-		Description:       minAttachment.Description,
-		ScheduledStatusID: minAttachment.ScheduledStatusID,
+		ID:        attachmentID,
+		StatusID:  "",
+		URL:       originalURL,
+		RemoteURL: "",
+		CreatedAt: time.Time{},
+		UpdatedAt: time.Time{},
+		Type:      gtsmodel.FileTypeImage,
+		FileMeta: gtsmodel.FileMeta{
+			Original: gtsmodel.Original{
+				Width:  original.width,
+				Height: original.height,
+				Size:   original.size,
+				Aspect: original.aspect,
+			},
+			Small: gtsmodel.Small{
+				Width:  small.width,
+				Height: small.height,
+				Size:   small.size,
+				Aspect: small.aspect,
+			},
+		},
+		AccountID:         accountID,
+		Description:       "",
+		ScheduledStatusID: "",
 		Blurhash:          small.blurhash,
 		Processing:        2,
 		File: gtsmodel.File{
@@ -144,33 +145,24 @@ func (m *manager) processImage(data []byte, contentType string) (*gtsmodel.Media
 			FileSize:    len(small.image),
 			UpdatedAt:   time.Now(),
 			URL:         smallURL,
-			RemoteURL:   minAttachment.Thumbnail.RemoteURL,
+			RemoteURL:   "",
 		},
-		Avatar: minAttachment.Avatar,
-		Header: minAttachment.Header,
+		Avatar: false,
+		Header: false,
 	}
 
 	return attachment, nil
 }
 
-func decodeGif(b []byte, extension string) (*imageAndMeta, error) {
-	var g *gif.GIF
-	var err error
-
-	switch extension {
-	case mimeGif:
-		g, err = gif.DecodeAll(bytes.NewReader(b))
-	default:
-		err = fmt.Errorf("extension %s not recognised", extension)
-	}
-
+func decodeGif(b []byte) (*imageAndMeta, error) {
+	gif, err := gif.DecodeAll(bytes.NewReader(b))
 	if err != nil {
 		return nil, err
 	}
 
 	// use the first frame to get the static characteristics
-	width := g.Config.Width
-	height := g.Config.Height
+	width := gif.Config.Width
+	height := gif.Config.Height
 	size := width * height
 	aspect := float64(width) / float64(height)
 

internal/media/manager.go

@@ -22,45 +22,32 @@
 	"context"
 	"errors"
 	"fmt"
-	"net/url"
+	"runtime"
 	"strings"
-	"time"
 
 	"codeberg.org/gruf/go-store/kv"
 	"github.com/superseriousbusiness/gotosocial/internal/db"
-	"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
-	"github.com/superseriousbusiness/gotosocial/internal/id"
-	"github.com/superseriousbusiness/gotosocial/internal/transport"
-	"github.com/superseriousbusiness/gotosocial/internal/uris"
 )
 
-// ProcessCallback is triggered by the media manager when an attachment has finished undergoing
-// image processing (generation of a blurhash, thumbnail etc) but hasn't yet been inserted into
-// the database. It is provided to allow callers to a) access the processed media attachment and b)
-// make any last-minute changes to the media attachment before it enters the database.
-type ProcessCallback func(*gtsmodel.MediaAttachment) *gtsmodel.MediaAttachment
-
-// defaultCB will be used when a nil ProcessCallback is passed to one of the manager's interface functions.
-// It just returns the processed media attachment with no additional changes.
-var defaultCB ProcessCallback = func(a *gtsmodel.MediaAttachment) *gtsmodel.MediaAttachment {
-	return a
-}
-
 // Manager provides an interface for managing media: parsing, storing, and retrieving media objects like photos, videos, and gifs.
 type Manager interface {
-	ProcessAttachment(ctx context.Context, data []byte, accountID string, cb ProcessCallback) (*gtsmodel.MediaAttachment, error)
+	ProcessMedia(ctx context.Context, data []byte, accountID string) (*Media, error)
 }
 
 type manager struct {
 	db      db.DB
 	storage *kv.KVStore
+	pool    *workerPool
 }
 
 // New returns a media manager with the given db and underlying storage.
 func New(database db.DB, storage *kv.KVStore) Manager {
+	workers := runtime.NumCPU() / 2
+
 	return &manager{
 		db:      database,
 		storage: storage,
+		pool:    newWorkerPool(workers),
 	}
 }
 
@@ -68,13 +55,19 @@ func New(database db.DB, storage *kv.KVStore) Manager {
 	INTERFACE FUNCTIONS
 */
 
-func (m *manager) ProcessAttachment(ctx context.Context, data []byte, accountID string, cb ProcessCallback) (*gtsmodel.MediaAttachment, error) {
+func (m *manager) ProcessMedia(ctx context.Context, data []byte, accountID string) (*Media, error) {
 	contentType, err := parseContentType(data)
 	if err != nil {
 		return nil, err
 	}
 
-	mainType := strings.Split(contentType, "/")[0]
+	split := strings.Split(contentType, "/")
+	if len(split) != 2 {
+		return nil, fmt.Errorf("content type %s malformed", contentType)
+	}
+
+	mainType := split[0]
+
 	switch mainType {
 	case mimeImage:
 		if !supportedImage(contentType) {
@@ -83,192 +76,11 @@ func (m *manager) ProcessAttachment(ctx context.Context, data []byte, accountID
 		if len(data) == 0 {
 			return nil, errors.New("image was of size 0")
 		}
-		return m.processImage(attachmentBytes, minAttachment)
+
+		return m.pool.run(func(ctx context.Context, data []byte, contentType string, accountID string) {
+			m.processImage(ctx, data, contentType, accountID)
+		})
 	default:
 		return nil, fmt.Errorf("content type %s not (yet) supported", contentType)
 	}
 }
-
-// ProcessHeaderOrAvatar takes a new header image for an account, checks it out, removes exif data from it,
-// puts it in whatever storage backend we're using, sets the relevant fields in the database for the new image,
-// and then returns information to the caller about the new header.
-func (m *manager) ProcessHeader(ctx context.Context, data []byte, accountID string, cb ProcessCallback) (*gtsmodel.MediaAttachment, error) {
-
-	// make sure we have a type we can handle
-	contentType, err := parseContentType(data)
-	if err != nil {
-		return nil, err
-	}
-
-	if !supportedImage(contentType) {
-		return nil, fmt.Errorf("%s is not an accepted image type", contentType)
-	}
-
-	if len(data) == 0 {
-		return nil, fmt.Errorf("passed reader was of size 0")
-	}
-
-	// process it
-	ma, err := m.processHeaderOrAvi(attachment, contentType, mediaType, accountID, remoteURL)
-	if err != nil {
-		return nil, fmt.Errorf("error processing %s: %s", mediaType, err)
-	}
-
-	// set it in the database
-	if err := m.db.SetAccountHeaderOrAvatar(ctx, ma, accountID); err != nil {
-		return nil, fmt.Errorf("error putting %s in database: %s", mediaType, err)
-	}
-
-	return ma, nil
-}
-
-// ProcessLocalEmoji takes a new emoji and a shortcode, cleans it up, puts it in storage, and creates a new
-// *gts.Emoji for it, then returns it to the caller. It's the caller's responsibility to put the returned struct
-// in the database.
-func (m *manager) ProcessLocalEmoji(ctx context.Context, emojiBytes []byte, shortcode string) (*gtsmodel.Emoji, error) {
-	var clean []byte
-	var err error
-	var original *imageAndMeta
-	var static *imageAndMeta
-
-	// check content type of the submitted emoji and make sure it's supported by us
-	contentType, err := parseContentType(emojiBytes)
-	if err != nil {
-		return nil, err
-	}
-	if !supportedEmoji(contentType) {
-		return nil, fmt.Errorf("content type %s not supported for emojis", contentType)
-	}
-
-	if len(emojiBytes) == 0 {
-		return nil, errors.New("emoji was of size 0")
-	}
-	if len(emojiBytes) > EmojiMaxBytes {
-		return nil, fmt.Errorf("emoji size %d bytes exceeded max emoji size of %d bytes", len(emojiBytes), EmojiMaxBytes)
-	}
-
-	// clean any exif data from png but leave gifs alone
-	switch contentType {
-	case mimePng:
-		if clean, err = purgeExif(emojiBytes); err != nil {
-			return nil, fmt.Errorf("error cleaning exif data: %s", err)
-		}
-	case mimeGif:
-		clean = emojiBytes
-	default:
-		return nil, errors.New("media type unrecognized")
-	}
-
-	// unlike with other attachments we don't need to derive anything here because we don't care about the width/height etc
-	original = &imageAndMeta{
-		image: clean,
-	}
-
-	static, err = deriveStaticEmoji(clean, contentType)
-	if err != nil {
-		return nil, fmt.Errorf("error deriving static emoji: %s", err)
-	}
-
-	// since emoji aren't 'owned' by an account, but we still want to use the same pattern for serving them through the filserver,
-	// (ie., fileserver/ACCOUNT_ID/etc etc) we need to fetch the INSTANCE ACCOUNT from the database. That is, the account that's created
-	// with the same username as the instance hostname, which doesn't belong to any particular user.
-	instanceAccount, err := m.db.GetInstanceAccount(ctx, "")
-	if err != nil {
-		return nil, fmt.Errorf("error fetching instance account: %s", err)
-	}
-
-	// the file extension (either png or gif)
-	extension := strings.Split(contentType, "/")[1]
-
-	// generate a ulid for the new emoji
-	newEmojiID, err := id.NewRandomULID()
-	if err != nil {
-		return nil, err
-	}
-
-	// activitypub uri for the emoji -- unrelated to actually serving the image
-	// will be something like https://example.org/emoji/01FPSVBK3H8N7V8XK6KGSQ86EC
-	emojiURI := uris.GenerateURIForEmoji(newEmojiID)
-
-	// serve url and storage path for the original emoji -- can be png or gif
-	emojiURL := uris.GenerateURIForAttachment(instanceAccount.ID, string(TypeEmoji), string(SizeOriginal), newEmojiID, extension)
-	emojiPath := fmt.Sprintf("%s/%s/%s/%s.%s", instanceAccount.ID, TypeEmoji, SizeOriginal, newEmojiID, extension)
-
-	// serve url and storage path for the static version -- will always be png
-	emojiStaticURL := uris.GenerateURIForAttachment(instanceAccount.ID, string(TypeEmoji), string(SizeStatic), newEmojiID, "png")
-	emojiStaticPath := fmt.Sprintf("%s/%s/%s/%s.png", instanceAccount.ID, TypeEmoji, SizeStatic, newEmojiID)
-
-	// Store the original emoji
-	if err := m.storage.Put(emojiPath, original.image); err != nil {
-		return nil, fmt.Errorf("storage error: %s", err)
-	}
-
-	// Store the static emoji
-	if err := m.storage.Put(emojiStaticPath, static.image); err != nil {
-		return nil, fmt.Errorf("storage error: %s", err)
-	}
-
-	// and finally return the new emoji data to the caller -- it's up to them what to do with it
-	e := &gtsmodel.Emoji{
-		ID:                     newEmojiID,
-		Shortcode:              shortcode,
-		Domain:                 "", // empty because this is a local emoji
-		CreatedAt:              time.Now(),
-		UpdatedAt:              time.Now(),
-		ImageRemoteURL:         "", // empty because this is a local emoji
-		ImageStaticRemoteURL:   "", // empty because this is a local emoji
-		ImageURL:               emojiURL,
-		ImageStaticURL:         emojiStaticURL,
-		ImagePath:              emojiPath,
-		ImageStaticPath:        emojiStaticPath,
-		ImageContentType:       contentType,
-		ImageStaticContentType: mimePng, // static version will always be a png
-		ImageFileSize:          len(original.image),
-		ImageStaticFileSize:    len(static.image),
-		ImageUpdatedAt:         time.Now(),
-		Disabled:               false,
-		URI:                    emojiURI,
-		VisibleInPicker:        true,
-		CategoryID:             "", // empty because this is a new emoji -- no category yet
-	}
-	return e, nil
-}
-
-func (m *manager) ProcessRemoteHeaderOrAvatar(ctx context.Context, t transport.Transport, currentAttachment *gtsmodel.MediaAttachment, accountID string) (*gtsmodel.MediaAttachment, error) {
-	if !currentAttachment.Header && !currentAttachment.Avatar {
-		return nil, errors.New("provided attachment was set to neither header nor avatar")
-	}
-
-	if currentAttachment.Header && currentAttachment.Avatar {
-		return nil, errors.New("provided attachment was set to both header and avatar")
-	}
-
-	var headerOrAvi Type
-	if currentAttachment.Header {
-		headerOrAvi = TypeHeader
-	} else if currentAttachment.Avatar {
-		headerOrAvi = TypeAvatar
-	}
-
-	if currentAttachment.RemoteURL == "" {
-		return nil, errors.New("no remote URL on media attachment to dereference")
-	}
-	remoteIRI, err := url.Parse(currentAttachment.RemoteURL)
-	if err != nil {
-		return nil, fmt.Errorf("error parsing attachment url %s: %s", currentAttachment.RemoteURL, err)
-	}
-
-	// for content type, we assume we don't know what to expect...
-	expectedContentType := "*/*"
-	if currentAttachment.File.ContentType != "" {
-		// ... and then narrow it down if we do
-		expectedContentType = currentAttachment.File.ContentType
-	}
-
-	attachmentBytes, err := t.DereferenceMedia(ctx, remoteIRI, expectedContentType)
-	if err != nil {
-		return nil, fmt.Errorf("dereferencing remote media with url %s: %s", remoteIRI.String(), err)
-	}
-
-	return m.ProcessHeaderOrAvatar(ctx, attachmentBytes, accountID, headerOrAvi, currentAttachment.RemoteURL)
-}

internal/media/media.go

@@ -0,0 +1,7 @@
+package media
+
+import gtsmodel "github.com/superseriousbusiness/gotosocial/internal/db/bundb/migrations/20211113114307_init"
+
+type Media struct {
+	Attachment *gtsmodel.MediaAttachment
+}

internal/media/pool.go

@@ -0,0 +1,65 @@
+package media
+
+import "context"
+
+func newWorkerPool(workers int) *workerPool {
+	// make a pool with the given worker capacity
+	pool := &workerPool{
+		workerQueue: make(chan *worker, workers),
+	}
+
+	// fill the pool with workers
+	for i := 0; i < workers; i++ {
+		pool.workerQueue <- &worker{
+			// give each worker a reference to the pool so it
+			// can put itself back in when it's finished
+			workerQueue: pool.workerQueue,
+			data:        []byte{},
+			contentType: "",
+			accountID:   "",
+		}
+	}
+
+	return pool
+}
+
+type workerPool struct {
+	workerQueue chan *worker
+}
+
+func (p *workerPool) run(fn func(ctx context.Context, data []byte, contentType string, accountID string)) (*Media, error) {
+
+	m := &Media{}
+
+	go func() {
+		// take a worker from the worker pool
+		worker := <-p.workerQueue
+		// tell it to work
+		worker.work(fn)
+	}()
+
+	return m, nil
+}
+
+type worker struct {
+	workerQueue chan *worker
+	data        []byte
+	contentType string
+	accountID   string
+}
+
+func (w *worker) work(fn func(ctx context.Context, data []byte, contentType string, accountID string)) {
+	// return self to pool when finished
+	defer w.finish()
+	// do the work
+	fn(context.Background(), w.data, w.contentType, w.accountID)
+}
+
+func (w *worker) finish() {
+	// clear self
+	w.data = []byte{}
+	w.contentType = ""
+	w.accountID = ""
+	// put self back in the worker pool
+	w.workerQueue <- w
+}

internal/media/process.go

@@ -0,0 +1,5 @@
+package media
+
+import "context"
+
+type mediaProcessingFunction func(ctx context.Context, data []byte, contentType string, accountID string)

internal/media/processvideo.go

@@ -1,23 +0,0 @@
-/*
-   GoToSocial
-   Copyright (C) 2021-2022 GoToSocial Authors admin@gotosocial.org
-
-   This program is free software: you can redistribute it and/or modify
-   it under the terms of the GNU Affero General Public License as published by
-   the Free Software Foundation, either version 3 of the License, or
-   (at your option) any later version.
-
-   This program is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-   GNU Affero General Public License for more details.
-
-   You should have received a copy of the GNU Affero General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.
-*/
-
-package media
-
-// func (mh *mediaManager) processVideoAttachment(data []byte, accountID string, contentType string, remoteURL string) (*gtsmodel.MediaAttachment, error) {
-// 	return nil, nil
-// }

internal/media/util_test.go

@@ -1,150 +0,0 @@
-/*
-   GoToSocial
-   Copyright (C) 2021-2022 GoToSocial Authors admin@gotosocial.org
-
-   This program is free software: you can redistribute it and/or modify
-   it under the terms of the GNU Affero General Public License as published by
-   the Free Software Foundation, either version 3 of the License, or
-   (at your option) any later version.
-
-   This program is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-   GNU Affero General Public License for more details.
-
-   You should have received a copy of the GNU Affero General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.
-*/
-
-package media
-
-import (
-	"io/ioutil"
-	"testing"
-
-	"github.com/spf13/viper"
-	"github.com/superseriousbusiness/gotosocial/internal/config"
-	"github.com/superseriousbusiness/gotosocial/internal/log"
-
-	"github.com/stretchr/testify/suite"
-)
-
-type MediaUtilTestSuite struct {
-	suite.Suite
-}
-
-/*
-	TEST INFRASTRUCTURE
-*/
-
-// SetupSuite sets some variables on the suite that we can use as consts (more or less) throughout
-func (suite *MediaUtilTestSuite) SetupSuite() {
-	// doesn't use testrig.InitTestLog() helper to prevent import cycle
-	viper.Set(config.Keys.LogLevel, "trace")
-	err := log.Initialize()
-	if err != nil {
-		panic(err)
-	}
-}
-
-func (suite *MediaUtilTestSuite) TearDownSuite() {
-
-}
-
-// SetupTest creates a db connection and creates necessary tables before each test
-func (suite *MediaUtilTestSuite) SetupTest() {
-
-}
-
-// TearDownTest drops tables to make sure there's no data in the db
-func (suite *MediaUtilTestSuite) TearDownTest() {
-
-}
-
-/*
-	ACTUAL TESTS
-*/
-
-func (suite *MediaUtilTestSuite) TestParseContentTypeOK() {
-	f, err := ioutil.ReadFile("./test/test-jpeg.jpg")
-	suite.NoError(err)
-	ct, err := parseContentType(f)
-	suite.NoError(err)
-	suite.Equal("image/jpeg", ct)
-}
-
-func (suite *MediaUtilTestSuite) TestParseContentTypeNotOK() {
-	f, err := ioutil.ReadFile("./test/test-corrupted.jpg")
-	suite.NoError(err)
-	ct, err := parseContentType(f)
-	suite.NotNil(err)
-	suite.Equal("", ct)
-	suite.Equal("filetype unknown", err.Error())
-}
-
-func (suite *MediaUtilTestSuite) TestRemoveEXIF() {
-	// load and validate image
-	b, err := ioutil.ReadFile("./test/test-with-exif.jpg")
-	suite.NoError(err)
-
-	// clean it up and validate the clean version
-	clean, err := purgeExif(b)
-	suite.NoError(err)
-
-	// compare it to our stored sample
-	sampleBytes, err := ioutil.ReadFile("./test/test-without-exif.jpg")
-	suite.NoError(err)
-	suite.EqualValues(sampleBytes, clean)
-}
-
-func (suite *MediaUtilTestSuite) TestDeriveImageFromJPEG() {
-	// load image
-	b, err := ioutil.ReadFile("./test/test-jpeg.jpg")
-	suite.NoError(err)
-
-	// clean it up and validate the clean version
-	imageAndMeta, err := decodeImage(b, "image/jpeg")
-	suite.NoError(err)
-
-	suite.Equal(1920, imageAndMeta.width)
-	suite.Equal(1080, imageAndMeta.height)
-	suite.Equal(1.7777777777777777, imageAndMeta.aspect)
-	suite.Equal(2073600, imageAndMeta.size)
-
-	// assert that the final image is what we would expect
-	sampleBytes, err := ioutil.ReadFile("./test/test-jpeg-processed.jpg")
-	suite.NoError(err)
-	suite.EqualValues(sampleBytes, imageAndMeta.image)
-}
-
-func (suite *MediaUtilTestSuite) TestDeriveThumbnailFromJPEG() {
-	// load image
-	b, err := ioutil.ReadFile("./test/test-jpeg.jpg")
-	suite.NoError(err)
-
-	// clean it up and validate the clean version
-	imageAndMeta, err := deriveThumbnail(b, "image/jpeg", 512, 512)
-	suite.NoError(err)
-
-	suite.Equal(512, imageAndMeta.width)
-	suite.Equal(288, imageAndMeta.height)
-	suite.Equal(1.7777777777777777, imageAndMeta.aspect)
-	suite.Equal(147456, imageAndMeta.size)
-	suite.Equal("LjBzUo#6RQR._NvzRjWF?urqV@a$", imageAndMeta.blurhash)
-
-	sampleBytes, err := ioutil.ReadFile("./test/test-jpeg-thumbnail.jpg")
-	suite.NoError(err)
-	suite.EqualValues(sampleBytes, imageAndMeta.image)
-}
-
-func (suite *MediaUtilTestSuite) TestSupportedImageTypes() {
-	ok := supportedImage("image/jpeg")
-	suite.True(ok)
-
-	ok = supportedImage("image/bmp")
-	suite.False(ok)
-}
-
-func TestMediaUtilTestSuite(t *testing.T) {
-	suite.Run(t, new(MediaUtilTestSuite))
-}