lnd.xprv/channeldb/kvdb/etcd/db_test.go
Andras Banki-Horvath 6757e14998
etcd: refactors to simplify etcd configuration
This refactor removes a redundancy where we had etcd configuration under
kvdb and kvdb/etcd packages.
2021-05-04 17:33:04 +02:00

75 lines
1.5 KiB
Go

// +build kvdb_etcd
package etcd
import (
"bytes"
"context"
"testing"
"github.com/btcsuite/btcwallet/walletdb"
"github.com/stretchr/testify/require"
)
func TestCopy(t *testing.T) {
t.Parallel()
f := NewEtcdTestFixture(t)
defer f.Cleanup()
db, err := newEtcdBackend(context.TODO(), f.BackendConfig())
require.NoError(t, err)
err = db.Update(func(tx walletdb.ReadWriteTx) error {
// "apple"
apple, err := tx.CreateTopLevelBucket([]byte("apple"))
require.NoError(t, err)
require.NotNil(t, apple)
require.NoError(t, apple.Put([]byte("key"), []byte("val")))
return nil
}, func() {})
// Expect non-zero copy.
var buf bytes.Buffer
require.NoError(t, db.Copy(&buf))
require.Greater(t, buf.Len(), 0)
require.Nil(t, err)
expected := map[string]string{
bkey("apple"): bval("apple"),
vkey("key", "apple"): "val",
}
require.Equal(t, expected, f.Dump())
}
func TestAbortContext(t *testing.T) {
t.Parallel()
f := NewEtcdTestFixture(t)
defer f.Cleanup()
ctx, cancel := context.WithCancel(context.Background())
config := f.BackendConfig()
// Pass abort context and abort right away.
db, err := newEtcdBackend(ctx, config)
require.NoError(t, err)
cancel()
// Expect that the update will fail.
err = db.Update(func(tx walletdb.ReadWriteTx) error {
_, err := tx.CreateTopLevelBucket([]byte("bucket"))
require.Error(t, err, "context canceled")
return nil
}, func() {})
require.Error(t, err, "context canceled")
// No changes in the DB.
require.Equal(t, map[string]string{}, f.Dump())
}