Files
zeekay b63dc1753c Add Syncer interface for database persistence
- Add Syncer interface to database.Database with Sync() method
- Implement Sync() for all database backends:
  - badgerdb: calls db.Sync() to flush WAL
  - pebbledb: calls LogData with pebble.Sync
  - leveldb: writes empty batch with Sync option
  - memdb: no-op for in-memory database
  - versiondb: delegates to underlying database
  - prefixdb: delegates to underlying database
  - meterdb: delegates with metrics tracking
  - metricdb: delegates with metrics tracking
  - hookdb: new wrapper with sync notification hooks
  - corruptabledb: delegates to underlying database
  - encdb: delegates to underlying database

This ensures data persists across restarts when using async
writes (e.g., badgerdb with SyncWrites=false).

Critical for admin.importChain to persist imported blocks.
2025-12-27 21:23:33 -08:00

72 lines
1.4 KiB
Go

// Copyright (C) 2019-2025, Lux Industries Inc. All rights reserved.
// See the file LICENSE for licensing terms.
//go:build leveldb
package leveldb
import (
"fmt"
"testing"
"github.com/stretchr/testify/require"
"github.com/luxfi/database"
"github.com/luxfi/database/dbtest"
)
func newDB(t testing.TB) database.Database {
folder := t.TempDir()
db, err := New(folder, 16, 16, 16)
require.NoError(t, err)
return db
}
func TestInterface(t *testing.T) {
for name, test := range dbtest.Tests {
t.Run(name, func(t *testing.T) {
db := newDB(t)
test(t, db)
_ = db.Close()
})
}
}
func FuzzKeyValue(f *testing.F) {
db := newDB(f)
defer db.Close()
dbtest.FuzzKeyValue(f, db)
}
func FuzzNewIteratorWithPrefix(f *testing.F) {
db := newDB(f)
defer db.Close()
dbtest.FuzzNewIteratorWithPrefix(f, db)
}
func FuzzNewIteratorWithStartAndPrefix(f *testing.F) {
db := newDB(f)
defer db.Close()
dbtest.FuzzNewIteratorWithStartAndPrefix(f, db)
}
func BenchmarkInterface(b *testing.B) {
for _, size := range dbtest.BenchmarkSizes {
keys, values := dbtest.SetupBenchmark(b, size[0], size[1], size[2])
for name, bench := range dbtest.Benchmarks {
b.Run(fmt.Sprintf("leveldb_%d_pairs_%d_keys_%d_values_%s", size[0], size[1], size[2], name), func(b *testing.B) {
db := newDB(b)
bench(b, db, keys, values)
// The database may have been closed by the test, so we don't care if it
// errors here.
_ = db.Close()
})
}
}
}