prysm-pulse/beacon-chain/db/restore_test.go

70 lines
2.4 KiB
Go
Raw Normal View History

package db
import (
"context"
"flag"
"io/ioutil"
"os"
"path"
"testing"
types "github.com/prysmaticlabs/eth2-types"
"github.com/prysmaticlabs/prysm/beacon-chain/db/kv"
"github.com/prysmaticlabs/prysm/shared/cmd"
"github.com/prysmaticlabs/prysm/shared/testutil"
"github.com/prysmaticlabs/prysm/shared/testutil/assert"
"github.com/prysmaticlabs/prysm/shared/testutil/require"
logTest "github.com/sirupsen/logrus/hooks/test"
"github.com/urfave/cli/v2"
)
func TestRestore(t *testing.T) {
logHook := logTest.NewGlobal()
ctx := context.Background()
backupDb, err := kv.NewKVStore(context.Background(), t.TempDir(), &kv.Config{})
require.NoError(t, err)
head := testutil.NewBeaconBlock()
head.Block.Slot = 5000
require.NoError(t, backupDb.SaveBlock(ctx, head))
root, err := head.Block.HashTreeRoot()
require.NoError(t, err)
st, err := testutil.NewBeaconState()
require.NoError(t, err)
require.NoError(t, backupDb.SaveState(ctx, st, root))
require.NoError(t, backupDb.SaveHeadBlockRoot(ctx, root))
require.NoError(t, err)
require.NoError(t, backupDb.Close())
// We rename the backup file so that we can later verify
// whether the restored db has been renamed correctly.
require.NoError(t, os.Rename(
path.Join(backupDb.DatabasePath(), kv.DatabaseFileName),
path.Join(backupDb.DatabasePath(), "backup.db")))
restoreDir := t.TempDir()
app := cli.App{}
set := flag.NewFlagSet("test", 0)
set.String(cmd.RestoreSourceFileFlag.Name, "", "")
set.String(cmd.RestoreTargetDirFlag.Name, "", "")
require.NoError(t, set.Set(cmd.RestoreSourceFileFlag.Name, path.Join(backupDb.DatabasePath(), "backup.db")))
require.NoError(t, set.Set(cmd.RestoreTargetDirFlag.Name, restoreDir))
cliCtx := cli.NewContext(&app, set, nil)
assert.NoError(t, Restore(cliCtx))
files, err := ioutil.ReadDir(path.Join(restoreDir, kv.BeaconNodeDbDirName))
require.NoError(t, err)
assert.Equal(t, 1, len(files))
assert.Equal(t, kv.DatabaseFileName, files[0].Name())
restoredDb, err := kv.NewKVStore(context.Background(), path.Join(restoreDir, kv.BeaconNodeDbDirName), &kv.Config{})
defer func() {
require.NoError(t, restoredDb.Close())
}()
require.NoError(t, err)
headBlock, err := restoredDb.HeadBlock(ctx)
require.NoError(t, err)
assert.Equal(t, types.Slot(5000), headBlock.Block.Slot, "Restored database has incorrect data")
assert.LogsContain(t, logHook, "Restore completed successfully")
}