list integration test: error scanning 'restic list blobs' (#5311)

Co-authored-by: Michael Eischer <michael.eischer@fau.de>

cmd/restic/cmd_list_integration_test.go

@@ -4,10 +4,13 @@ import (
 	"bufio"
 	"context"
 	"io"
+	"path/filepath"
+	"strings"
 	"testing"
 
 	"github.com/restic/restic/internal/restic"
 	rtest "github.com/restic/restic/internal/test"
+	"github.com/restic/restic/internal/ui"
 )
 
 func testRunList(t testing.TB, gopts GlobalOptions, tpe string) restic.IDs {
@@ -24,13 +27,24 @@ func parseIDsFromReader(t testing.TB, rd io.Reader) restic.IDs {
 	sc := bufio.NewScanner(rd)
 
 	for sc.Scan() {
+		if len(sc.Text()) == 64 {
 			id, err := restic.ParseID(sc.Text())
 			if err != nil {
 				t.Logf("parse id %v: %v", sc.Text(), err)
 				continue
 			}
-
 			IDs = append(IDs, id)
+		} else {
+			// 'list blobs' is different because it lists the blobs together with the blob type
+			// e.g. "tree ac08ce34ba4f8123618661bef2425f7028ffb9ac740578a3ee88684d2523fee8"
+			parts := strings.Split(sc.Text(), " ")
+			id, err := restic.ParseID(parts[len(parts)-1])
+			if err != nil {
+				t.Logf("parse id %v: %v", sc.Text(), err)
+				continue
+			}
+			IDs = append(IDs, id)
+		}
 	}
 
 	return IDs
@@ -42,3 +56,48 @@ func testListSnapshots(t testing.TB, gopts GlobalOptions, expected int) restic.I
 	rtest.Assert(t, len(snapshotIDs) == expected, "expected %v snapshot, got %v", expected, snapshotIDs)
 	return snapshotIDs
 }
+
+// extract blob set from repository index
+func testListBlobs(t testing.TB, gopts GlobalOptions) (blobSetFromIndex restic.IDSet) {
+	err := withTermStatus(t, gopts, func(ctx context.Context, gopts GlobalOptions) error {
+		printer := ui.NewProgressPrinter(gopts.JSON, gopts.verbosity, gopts.term)
+		_, repo, unlock, err := openWithReadLock(ctx, gopts, false, printer)
+		rtest.OK(t, err)
+		defer unlock()
+
+		// make sure the index is loaded
+		rtest.OK(t, repo.LoadIndex(ctx, nil))
+
+		// get blobs from index
+		blobSetFromIndex = restic.NewIDSet()
+		rtest.OK(t, repo.ListBlobs(ctx, func(blob restic.PackedBlob) {
+			blobSetFromIndex.Insert(blob.ID)
+		}))
+		return nil
+	})
+	rtest.OK(t, err)
+
+	return blobSetFromIndex
+}
+
+func TestListBlobs(t *testing.T) {
+
+	env, cleanup := withTestEnvironment(t)
+	defer cleanup()
+
+	testSetupBackupData(t, env)
+	opts := BackupOptions{}
+
+	// first backup
+	testRunBackup(t, "", []string{filepath.Join(env.testdata, "0", "0", "9")}, opts, env.gopts)
+	testListSnapshots(t, env.gopts, 1)
+
+	// run the `list blobs` command
+	resticIDs := testRunList(t, env.gopts, "blobs")
+
+	// convert to set
+	testIDSet := restic.NewIDSet(resticIDs...)
+	blobSetFromIndex := testListBlobs(t, env.gopts)
+
+	rtest.Assert(t, blobSetFromIndex.Equals(testIDSet), "the set of restic.ID s should be equal")
+}