mirror of
https://source.quilibrium.com/quilibrium/ceremonyclient.git
synced 2024-12-24 23:55:18 +00:00
111 lines
2.8 KiB
Go
111 lines
2.8 KiB
Go
// Copyright 2020 The LevelDB-Go and Pebble Authors. All rights reserved. Use
|
|
// of this source code is governed by a BSD-style license that can be found in
|
|
// the LICENSE file.
|
|
|
|
package pebble
|
|
|
|
import (
|
|
"testing"
|
|
|
|
"github.com/cockroachdb/errors"
|
|
"github.com/cockroachdb/pebble/internal/base"
|
|
"github.com/cockroachdb/pebble/vfs"
|
|
"github.com/stretchr/testify/require"
|
|
)
|
|
|
|
// TestSetCurrentFileCrash tests a crash that occurs during
|
|
// a MANIFEST roll, leaving the temporary CURRENT file on
|
|
// the filesystem. These temporary files should be cleaned
|
|
// up on Open.
|
|
func TestSetCurrentFileCrash(t *testing.T) {
|
|
mem := vfs.NewMem()
|
|
|
|
// Initialize a fresh database to write the initial MANIFEST.
|
|
{
|
|
d, err := Open("", &Options{FS: mem})
|
|
require.NoError(t, err)
|
|
require.NoError(t, d.Close())
|
|
}
|
|
|
|
// Open the database again, this time with a FS that
|
|
// errors on Rename and a tiny max manifest file size
|
|
// to force manifest rolls.
|
|
{
|
|
wantErr := errors.New("rename error")
|
|
_, err := Open("", &Options{
|
|
FS: renameErrorFS{FS: mem, err: wantErr},
|
|
Logger: noFatalLogger{t: t},
|
|
MaxManifestFileSize: 1,
|
|
L0CompactionThreshold: 10,
|
|
})
|
|
// Open should fail during a manifest roll,
|
|
// leaving a temp dir on the filesystem.
|
|
if !errors.Is(err, wantErr) {
|
|
t.Fatal(err)
|
|
}
|
|
}
|
|
|
|
// A temp file should be left on the filesystem
|
|
// from the failed Rename of the CURRENT file.
|
|
if temps := allTempFiles(t, mem); len(temps) == 0 {
|
|
t.Fatal("no temp files on the filesystem")
|
|
}
|
|
|
|
// Open the database a third time with a normal
|
|
// filesystem again. It should clean up any temp
|
|
// files on Open.
|
|
{
|
|
d, err := Open("", &Options{
|
|
FS: mem,
|
|
MaxManifestFileSize: 1,
|
|
L0CompactionThreshold: 10,
|
|
})
|
|
require.NoError(t, err)
|
|
require.NoError(t, d.Close())
|
|
if temps := allTempFiles(t, mem); len(temps) > 0 {
|
|
t.Fatalf("temporary files still on disk: %#v\n", temps)
|
|
}
|
|
}
|
|
}
|
|
|
|
func allTempFiles(t *testing.T, fs vfs.FS) []string {
|
|
var files []string
|
|
ls, err := fs.List("")
|
|
require.NoError(t, err)
|
|
for _, f := range ls {
|
|
ft, _, ok := base.ParseFilename(fs, f)
|
|
if ok && ft == fileTypeTemp {
|
|
files = append(files, f)
|
|
}
|
|
}
|
|
return files
|
|
}
|
|
|
|
type renameErrorFS struct {
|
|
vfs.FS
|
|
err error
|
|
}
|
|
|
|
func (fs renameErrorFS) Rename(oldname string, newname string) error {
|
|
return fs.err
|
|
}
|
|
|
|
// noFatalLogger implements Logger, logging to the contained
|
|
// *testing.T. Notably it does not panic on calls to Fatalf
|
|
// to enable unit tests of fatal logic.
|
|
type noFatalLogger struct {
|
|
t *testing.T
|
|
}
|
|
|
|
func (l noFatalLogger) Infof(format string, args ...interface{}) {
|
|
l.t.Logf(format, args...)
|
|
}
|
|
|
|
func (l noFatalLogger) Errorf(format string, args ...interface{}) {
|
|
l.t.Logf(format, args...)
|
|
}
|
|
|
|
func (l noFatalLogger) Fatalf(format string, args ...interface{}) {
|
|
l.t.Logf(format, args...)
|
|
}
|