package checker_test import ( "path/filepath" "sort" "testing" "github.com/restic/restic/backend" "github.com/restic/restic/checker" "github.com/restic/restic/repository" . "github.com/restic/restic/test" ) var checkerTestData = filepath.Join("testdata", "checker-test-repo.tar.gz") func list(repo *repository.Repository, t backend.Type) (IDs []string) { done := make(chan struct{}) defer close(done) for id := range repo.List(t, done) { IDs = append(IDs, id.String()) } return IDs } func checkPacks(chkr *checker.Checker) (errs []error) { done := make(chan struct{}) defer close(done) errChan := make(chan error) go chkr.Packs(errChan, done) for err := range errChan { errs = append(errs, err) } return errs } func checkStruct(chkr *checker.Checker) (errs []error) { done := make(chan struct{}) defer close(done) errChan := make(chan error) go chkr.Structure(errChan, done) for err := range errChan { errs = append(errs, err) } return errs } func TestCheckRepo(t *testing.T) { WithTestEnvironment(t, checkerTestData, func(repodir string) { repo := OpenLocalRepo(t, repodir) chkr := checker.New(repo) OK(t, chkr.LoadIndex()) OKs(t, checkPacks(chkr)) OKs(t, checkStruct(chkr)) }) } func TestMissingPack(t *testing.T) { WithTestEnvironment(t, checkerTestData, func(repodir string) { repo := OpenLocalRepo(t, repodir) packID := "657f7fb64f6a854fff6fe9279998ee09034901eded4e6db9bcee0e59745bbce6" OK(t, repo.Backend().Remove(backend.Data, packID)) chkr := checker.New(repo) OK(t, chkr.LoadIndex()) errs := checkPacks(chkr) Assert(t, len(errs) == 1, "expected exactly one error, got %v", len(errs)) if err, ok := errs[0].(checker.PackError); ok { Equals(t, packID, err.ID.String()) } else { t.Errorf("expected error returned by checker.Packs() to be PackError, got %v", err) } }) } func TestUnreferencedPack(t *testing.T) { WithTestEnvironment(t, checkerTestData, func(repodir string) { repo := OpenLocalRepo(t, repodir) // index 3f1a only references pack 60e0 indexID := "3f1abfcb79c6f7d0a3be517d2c83c8562fba64ef2c8e9a3544b4edaf8b5e3b44" packID := "60e0438dcb978ec6860cc1f8c43da648170ee9129af8f650f876bad19f8f788e" OK(t, repo.Backend().Remove(backend.Index, indexID)) chkr := checker.New(repo) OK(t, chkr.LoadIndex()) errs := checkPacks(chkr) Assert(t, len(errs) == 1, "expected exactly one error, got %v", len(errs)) if err, ok := errs[0].(checker.PackError); ok { Equals(t, packID, err.ID.String()) } else { t.Errorf("expected error returned by checker.Packs() to be PackError, got %v", err) } }) } func TestUnreferencedBlobs(t *testing.T) { WithTestEnvironment(t, checkerTestData, func(repodir string) { repo := OpenLocalRepo(t, repodir) snID := "51d249d28815200d59e4be7b3f21a157b864dc343353df9d8e498220c2499b02" OK(t, repo.Backend().Remove(backend.Snapshot, snID)) unusedBlobsBySnapshot := backend.IDs{ ParseID("58c748bbe2929fdf30c73262bd8313fe828f8925b05d1d4a87fe109082acb849"), ParseID("988a272ab9768182abfd1fe7d7a7b68967825f0b861d3b36156795832c772235"), ParseID("c01952de4d91da1b1b80bc6e06eaa4ec21523f4853b69dc8231708b9b7ec62d8"), ParseID("bec3a53d7dc737f9a9bee68b107ec9e8ad722019f649b34d474b9982c3a3fec7"), ParseID("2a6f01e5e92d8343c4c6b78b51c5a4dc9c39d42c04e26088c7614b13d8d0559d"), ParseID("18b51b327df9391732ba7aaf841a4885f350d8a557b2da8352c9acf8898e3f10"), } sort.Sort(unusedBlobsBySnapshot) chkr := checker.New(repo) OK(t, chkr.LoadIndex()) OKs(t, checkPacks(chkr)) OKs(t, checkStruct(chkr)) blobs := chkr.UnusedBlobs() sort.Sort(blobs) Equals(t, unusedBlobsBySnapshot, blobs) }) } var checkerDuplicateIndexTestData = filepath.Join("testdata", "duplicate-packs-in-index-test-repo.tar.gz") func TestDuplicatePacksInIndex(t *testing.T) { WithTestEnvironment(t, checkerDuplicateIndexTestData, func(repodir string) { repo := OpenLocalRepo(t, repodir) chkr := checker.New(repo) err := chkr.LoadIndex() if err == nil { t.Fatalf("did not get expected checker error for duplicate packs in indexes") } if _, ok := err.(checker.ErrDuplicatePacks); !ok { t.Fatalf("did not get ErrDuplicatePacks, got %v instead", err) } }) }