test(meta): add push-pull-read tests for metadb (#2022)

Signed-off-by: Laurentiu Niculae <niculae.laurentiu1@gmail.com>

pkg/meta/boltdb/boltdb.go

@@ -385,6 +385,10 @@ func (bdw *BoltDB) SearchRepos(ctx context.Context, searchText string,
 
 			delete(protoRepoMeta.Tags, "")
 
+			if len(protoRepoMeta.Tags) == 0 {
+				continue
+			}
+
 			protoRepoMeta.Rank = int32(rank)
 			protoRepoMeta.IsStarred = zcommon.Contains(userStars, protoRepoMeta.Name)
 			protoRepoMeta.IsBookmarked = zcommon.Contains(userBookmarks, protoRepoMeta.Name)

pkg/meta/common/common.go

@@ -277,7 +277,7 @@ func RemoveImageFromRepoMeta(repoMeta *proto_go.RepoMeta, repoBlobs *proto_go.Re
 
 		queue := []string{descriptor.Digest}
 
-		mConvert.GetProtoEarlierUpdatedImage(updatedLastImage, &proto_go.RepoLastUpdatedImage{
+		updatedLastImage = mConvert.GetProtoEarlierUpdatedImage(updatedLastImage, &proto_go.RepoLastUpdatedImage{
 			LastUpdated: repoBlobs.Blobs[descriptor.Digest].LastUpdated,
 			MediaType:   descriptor.MediaType,
 			Digest:      descriptor.Digest,

pkg/meta/dynamodb/dynamodb.go

@@ -459,6 +459,12 @@ func (dwr *DynamoDB) SearchRepos(ctx context.Context, searchText string) ([]mTyp
 			continue
 		}
 
+		delete(protoRepoMeta.Tags, "")
+
+		if len(protoRepoMeta.Tags) == 0 {
+			continue
+		}
+
 		rank := common.RankRepoName(searchText, protoRepoMeta.Name)
 		if rank == -1 {
 			continue