Fix exif circular imports in tests

api/scanner/exif/exif.go

@@ -9,19 +9,19 @@ import (
 	"github.com/photoview/photoview/api/graphql/models"
 )
 
-type exifParser interface {
+type ExifParser interface {
 	ParseExif(media_path string) (*models.MediaEXIF, error)
 }
 
-var globalExifParser exifParser
+var globalExifParser ExifParser
 
 func InitializeEXIFParser() {
 	// Decide between internal or external Exif parser
-	exiftoolParser, err := newExiftoolParser()
+	exiftoolParser, err := NewExiftoolParser()
 
 	if err != nil {
 		log.Printf("Failed to get exiftool, using internal exif parser instead: %v\n", err)
-		globalExifParser = &internalExifParser{}
+		globalExifParser = NewInternalExifParser()
 	} else {
 		log.Println("Found exiftool")
 		globalExifParser = exiftoolParser

api/scanner/exif/exif_parser_external.go

@@ -15,7 +15,7 @@ type externalExifParser struct {
 	dataLoader *dataloader.ExiftoolLoader
 }
 
-func newExiftoolParser() (*externalExifParser, error) {
+func NewExiftoolParser() (ExifParser, error) {
 	et, err := exiftool.NewExiftool(exiftool.NoPrintConversion())
 
 	if err != nil {

api/scanner/exif/exif_parser_internal.go

@@ -16,7 +16,11 @@ import (
 // internalExifParser is an exif parser that parses the media without the use of external tools
 type internalExifParser struct{}
 
-func (p *internalExifParser) ParseExif(media_path string) (returnExif *models.MediaEXIF, returnErr error) {
+func NewInternalExifParser() ExifParser {
+	return internalExifParser{}
+}
+
+func (p internalExifParser) ParseExif(media_path string) (returnExif *models.MediaEXIF, returnErr error) {
 	photoFile, err := os.Open(media_path)
 	if err != nil {
 		return nil, err

api/scanner/exif/exif_test.go

@@ -1,4 +1,4 @@
-package exif
+package exif_test
 
 import (
 	"fmt"
@@ -9,6 +9,7 @@ import (
 
 	"github.com/barasher/go-exiftool"
 	"github.com/photoview/photoview/api/graphql/models"
+	"github.com/photoview/photoview/api/scanner/exif"
 	"github.com/photoview/photoview/api/test_utils"
 	"github.com/stretchr/testify/assert"
 )
@@ -22,18 +23,18 @@ func TestExifParsers(t *testing.T) {
 
 	parsers := []struct {
 		name   string
-		parser exifParser
+		parser exif.ExifParser
 	}{
 		{
 			name:   "internal",
-			parser: &internalExifParser{},
+			parser: exif.NewInternalExifParser(),
 		},
 	}
 
-	if externalParser, err := newExiftoolParser(); err == nil {
+	if externalParser, err := exif.NewExiftoolParser(); err == nil {
 		parsers = append(parsers, struct {
 			name   string
-			parser exifParser
+			parser exif.ExifParser
 		}{
 			name:   "external",
 			parser: externalParser,