restic/internal/repository/upgrade_repo_test.go

83 lines
1.8 KiB
Go

package repository
import (
"context"
"os"
"path/filepath"
"sync"
"testing"
"github.com/restic/restic/internal/backend"
"github.com/restic/restic/internal/errors"
rtest "github.com/restic/restic/internal/test"
)
func TestUpgradeRepoV2(t *testing.T) {
repo := TestRepositoryWithVersion(t, 1)
if repo.Config().Version != 1 {
t.Fatal("test repo has wrong version")
}
err := UpgradeRepo(context.Background(), repo)
rtest.OK(t, err)
}
type failBackend struct {
backend.Backend
mu sync.Mutex
ConfigFileSavesUntilError uint
}
func (be *failBackend) Save(ctx context.Context, h backend.Handle, rd backend.RewindReader) error {
if h.Type != backend.ConfigFile {
return be.Backend.Save(ctx, h, rd)
}
be.mu.Lock()
if be.ConfigFileSavesUntilError == 0 {
be.mu.Unlock()
return errors.New("failure induced for testing")
}
be.ConfigFileSavesUntilError--
be.mu.Unlock()
return be.Backend.Save(ctx, h, rd)
}
func TestUpgradeRepoV2Failure(t *testing.T) {
be := TestBackend(t)
// wrap backend so that it fails upgrading the config after the initial write
be = &failBackend{
ConfigFileSavesUntilError: 1,
Backend: be,
}
repo := TestRepositoryWithBackend(t, be, 1, Options{})
if repo.Config().Version != 1 {
t.Fatal("test repo has wrong version")
}
err := UpgradeRepo(context.Background(), repo)
if err == nil {
t.Fatal("expected error returned from Apply(), got nil")
}
upgradeErr := err.(*upgradeRepoV2Error)
if upgradeErr.UploadNewConfigError == nil {
t.Fatal("expected upload error, got nil")
}
if upgradeErr.ReuploadOldConfigError == nil {
t.Fatal("expected reupload error, got nil")
}
if upgradeErr.BackupFilePath == "" {
t.Fatal("no backup file path found")
}
rtest.OK(t, os.Remove(upgradeErr.BackupFilePath))
rtest.OK(t, os.Remove(filepath.Dir(upgradeErr.BackupFilePath)))
}