mirror of
https://gitlab.com/pulsechaincom/erigon-pulse.git
synced 2025-01-01 00:31:21 +00:00
126 lines
3.2 KiB
Go
126 lines
3.2 KiB
Go
/*
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Copyright 2021 Erigon contributors
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package mdbx_test
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import (
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"context"
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"errors"
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"testing"
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"github.com/ledgerwatch/erigon-lib/kv"
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"github.com/ledgerwatch/erigon-lib/kv/mdbx"
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"github.com/ledgerwatch/erigon-lib/kv/memdb"
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"github.com/ledgerwatch/log/v3"
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"github.com/stretchr/testify/require"
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)
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func TestBucketCRUD(t *testing.T) {
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require := require.New(t)
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db := memdb.New()
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defer db.Close()
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ctx := context.Background()
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tx, err := db.BeginRw(ctx)
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require.NoError(err)
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defer tx.Rollback()
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normalBucket := kv.ChaindataTables[15]
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deprecatedBucket := kv.ChaindataDeprecatedTables[0]
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migrator, ok := tx.(kv.BucketMigrator)
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if !ok {
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return
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}
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// check thad buckets have unique DBI's
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uniquness := map[kv.DBI]bool{}
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castedKv, ok := db.(*mdbx.MdbxKV)
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if !ok {
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t.Skip()
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}
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for _, dbi := range castedKv.AllDBI() {
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if dbi == mdbx.NonExistingDBI {
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continue
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}
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_, ok := uniquness[dbi]
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require.False(ok)
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uniquness[dbi] = true
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}
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require.True(migrator.ExistsBucket(normalBucket))
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require.True(errors.Is(migrator.DropBucket(normalBucket), kv.ErrAttemptToDeleteNonDeprecatedBucket))
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require.False(migrator.ExistsBucket(deprecatedBucket))
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require.NoError(migrator.CreateBucket(deprecatedBucket))
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require.True(migrator.ExistsBucket(deprecatedBucket))
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require.NoError(migrator.DropBucket(deprecatedBucket))
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require.False(migrator.ExistsBucket(deprecatedBucket))
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require.NoError(migrator.CreateBucket(deprecatedBucket))
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require.True(migrator.ExistsBucket(deprecatedBucket))
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c, err := tx.RwCursor(deprecatedBucket)
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require.NoError(err)
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err = c.Put([]byte{1}, []byte{1})
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require.NoError(err)
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v, err := tx.GetOne(deprecatedBucket, []byte{1})
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require.NoError(err)
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require.Equal([]byte{1}, v)
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buckets, err := migrator.ListBuckets()
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require.NoError(err)
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require.True(len(buckets) > 10)
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// check thad buckets have unique DBI's
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uniquness = map[kv.DBI]bool{}
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for _, dbi := range castedKv.AllDBI() {
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if dbi == mdbx.NonExistingDBI {
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continue
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}
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_, ok := uniquness[dbi]
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require.False(ok)
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uniquness[dbi] = true
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}
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}
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func TestReadOnlyMode(t *testing.T) {
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path := t.TempDir()
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logger := log.New()
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db1 := mdbx.NewMDBX(logger).Path(path).WithTablessCfg(func(defaultBuckets kv.TableCfg) kv.TableCfg {
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return kv.TableCfg{
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kv.Headers: kv.TableCfgItem{},
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}
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}).MustOpen()
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db1.Close()
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db2 := mdbx.NewMDBX(logger).Readonly().Path(path).WithTablessCfg(func(defaultBuckets kv.TableCfg) kv.TableCfg {
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return kv.TableCfg{
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kv.Headers: kv.TableCfgItem{},
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}
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}).MustOpen()
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defer db2.Close()
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tx, err := db2.BeginRo(context.Background())
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require.NoError(t, err)
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defer tx.Rollback()
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c, err := tx.Cursor(kv.Headers)
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require.NoError(t, err)
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_, _, err = c.Seek([]byte("some prefix"))
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require.NoError(t, err)
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}
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