implement integration tests

pkg/server/grpc/server.go

@@ -4,6 +4,8 @@ import (
 	"github.com/owncloud/ocis-pkg/v2/service/grpc"
 	"github.com/owncloud/ocis-thumbnails/pkg/proto/v0"
 	svc "github.com/owncloud/ocis-thumbnails/pkg/service/v0"
+	"github.com/owncloud/ocis-thumbnails/pkg/thumbnail/imgsource"
+	"github.com/owncloud/ocis-thumbnails/pkg/thumbnail/storage"
 	"github.com/owncloud/ocis-thumbnails/pkg/version"
 )
 
@@ -26,6 +28,13 @@ func NewService(opts ...Option) grpc.Service {
 		thumbnail = svc.NewService(
 			svc.Config(options.Config),
 			svc.Logger(options.Logger),
+			svc.ThumbnailSource(imgsource.NewWebDavSource(options.Config.Thumbnail.WebDavSource)),
+			svc.ThumbnailStorage(
+				storage.NewFileSystemStorage(
+					options.Config.Thumbnail.FileSystemStorage,
+					options.Logger,
+				),
+			),
 		)
 		thumbnail = svc.NewInstrument(thumbnail, options.Metrics)
 		thumbnail = svc.NewLogging(thumbnail, options.Logger)