Ekaterina Lebedeva
8a81af5a3b
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Signed-off-by: Ekaterina Lebedeva <ekaterina.lebedeva@yadro.com>
88 lines
2.2 KiB
Go
88 lines
2.2 KiB
Go
package meta
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import (
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"context"
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"encoding/binary"
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"errors"
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"fmt"
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"path/filepath"
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"testing"
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"github.com/stretchr/testify/require"
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"go.etcd.io/bbolt"
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)
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type epochStateImpl struct{}
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func (s epochStateImpl) CurrentEpoch() uint64 {
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return 0
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}
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func TestVersion(t *testing.T) {
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dir := t.TempDir()
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newDB := func(t *testing.T) *DB {
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return New(WithPath(filepath.Join(dir, t.Name())),
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WithPermissions(0600), WithEpochState(epochStateImpl{}))
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}
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check := func(t *testing.T, db *DB) {
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require.NoError(t, db.boltDB.View(func(tx *bbolt.Tx) error {
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b := tx.Bucket(shardInfoBucket)
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if b == nil {
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return errors.New("shard info bucket not found")
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}
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data := b.Get(versionKey)
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if len(data) != 8 {
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return errors.New("invalid version data")
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}
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if stored := binary.LittleEndian.Uint64(data); stored != version {
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return fmt.Errorf("invalid version: %d != %d", stored, version)
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}
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return nil
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}))
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}
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t.Run("simple", func(t *testing.T) {
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db := newDB(t)
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require.NoError(t, db.Open(context.Background(), false))
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require.NoError(t, db.Init())
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check(t, db)
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require.NoError(t, db.Close())
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t.Run("reopen", func(t *testing.T) {
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require.NoError(t, db.Open(context.Background(), false))
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require.NoError(t, db.Init())
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check(t, db)
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require.NoError(t, db.Close())
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})
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})
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t.Run("old data", func(t *testing.T) {
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db := newDB(t)
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require.NoError(t, db.Open(context.Background(), false))
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require.NoError(t, db.WriteShardID([]byte{1, 2, 3, 4}))
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require.NoError(t, db.Close())
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require.NoError(t, db.Open(context.Background(), false))
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require.NoError(t, db.Init())
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check(t, db)
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require.NoError(t, db.Close())
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})
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t.Run("invalid version", func(t *testing.T) {
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db := newDB(t)
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require.NoError(t, db.Open(context.Background(), false))
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require.NoError(t, db.boltDB.Update(func(tx *bbolt.Tx) error {
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return updateVersion(tx, version+1)
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}))
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require.NoError(t, db.Close())
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require.NoError(t, db.Open(context.Background(), false))
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require.Error(t, db.Init())
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require.NoError(t, db.Close())
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t.Run("reset", func(t *testing.T) {
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require.NoError(t, db.Open(context.Background(), false))
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require.NoError(t, db.Reset())
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check(t, db)
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require.NoError(t, db.Close())
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})
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})
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}
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