plugeth/core/rawdb/freezer_meta_test.go
rjl493456442 538a868384
core/rawdb, cmd, ethdb, eth: implement freezer tail deletion (#23954)
* core/rawdb, cmd, ethdb, eth: implement freezer tail deletion

* core/rawdb: address comments from martin and sina

* core/rawdb: fixes cornercase in tail deletion

* core/rawdb: separate metadata into a standalone file

* core/rawdb: remove unused code

* core/rawdb: add random test

* core/rawdb: polish code

* core/rawdb: fsync meta file before manipulating the index

* core/rawdb: fix typo

* core/rawdb: address comments
2022-03-10 09:37:23 +01:00

62 lines
1.8 KiB
Go

// Copyright 2022 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library 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 Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>
package rawdb
import (
"io/ioutil"
"os"
"testing"
)
func TestReadWriteFreezerTableMeta(t *testing.T) {
f, err := ioutil.TempFile(os.TempDir(), "*")
if err != nil {
t.Fatalf("Failed to create file %v", err)
}
err = writeMetadata(f, newMetadata(100))
if err != nil {
t.Fatalf("Failed to write metadata %v", err)
}
meta, err := readMetadata(f)
if err != nil {
t.Fatalf("Failed to read metadata %v", err)
}
if meta.Version != freezerVersion {
t.Fatalf("Unexpected version field")
}
if meta.VirtualTail != uint64(100) {
t.Fatalf("Unexpected virtual tail field")
}
}
func TestInitializeFreezerTableMeta(t *testing.T) {
f, err := ioutil.TempFile(os.TempDir(), "*")
if err != nil {
t.Fatalf("Failed to create file %v", err)
}
meta, err := loadMetadata(f, uint64(100))
if err != nil {
t.Fatalf("Failed to read metadata %v", err)
}
if meta.Version != freezerVersion {
t.Fatalf("Unexpected version field")
}
if meta.VirtualTail != uint64(100) {
t.Fatalf("Unexpected virtual tail field")
}
}