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// Copyright (C) 2019-2023 Algorand, Inc.
// This file is part of go-algorand
//
// go-algorand is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// go-algorand is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with go-algorand. If not, see <https://www.gnu.org/licenses/>.
package db
import (
"context"
"database/sql"
"os"
"testing"
"github.com/algorand/go-algorand/test/partitiontest"
"github.com/stretchr/testify/require"
)
func testVersioning(t *testing.T, inMemory bool) {
acc, err := MakeAccessor("fn.db", false, inMemory)
require.NoError(t, err)
if !inMemory {
defer os.Remove("fn.db")
defer os.Remove("fn.db-shm")
defer os.Remove("fn.db-wal")
}
conn, err := acc.Handle.Conn(context.Background())
require.NoError(t, err)
tx, err := conn.BeginTx(context.Background(), &sql.TxOptions{Isolation: sql.LevelSerializable, ReadOnly: false})
require.NoError(t, err)
ver, err := GetUserVersion(context.Background(), tx)
require.NoError(t, err)
require.Equal(t, int32(0), ver)
previousVersion, err := SetUserVersion(context.Background(), tx, 5)
require.NoError(t, err)
require.Equal(t, int32(0), previousVersion)
previousVersion, err = SetUserVersion(context.Background(), tx, 9)
require.NoError(t, err)
require.Equal(t, int32(5), previousVersion)
// check that expired context doesn't work:
expiredContext, expiredContextCancelFunc := context.WithCancel(context.Background())
expiredContextCancelFunc()
ver, err = GetUserVersion(expiredContext, tx)
require.Equal(t, expiredContext.Err(), err)
require.Equal(t, int32(0), ver)
ver, err = SetUserVersion(expiredContext, tx, 15)
require.Equal(t, expiredContext.Err(), err)
require.Equal(t, int32(0), ver)
tx.Commit()
tx, err = conn.BeginTx(context.Background(), &sql.TxOptions{Isolation: sql.LevelSerializable, ReadOnly: false})
require.NoError(t, err)
previousVersion, err = SetUserVersion(context.Background(), tx, 2)
require.NoError(t, err)
require.Equal(t, int32(9), previousVersion)
tx.Rollback()
tx, err = conn.BeginTx(context.Background(), &sql.TxOptions{Isolation: sql.LevelSerializable, ReadOnly: false})
require.NoError(t, err)
ver, err = GetUserVersion(context.Background(), tx)
require.NoError(t, err)
require.Equal(t, int32(9), ver)
tx.Commit()
conn.Close()
acc.Close()
}
func TestVersioning(t *testing.T) {
partitiontest.PartitionTest(t)
t.Run("InMem", func(t *testing.T) { testVersioning(t, true) })
t.Run("OnDisk", func(t *testing.T) { testVersioning(t, false) })
}
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