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// Copyright (c) 2012, Suryandaru Triandana <syndtr@gmail.com>
// All rights reserved.
//
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
package storage
import (
"fmt"
"os"
"path/filepath"
"testing"
)
var cases = []struct {
oldName []string
name string
ftype FileType
num uint64
}{
{nil, "000100.log", TypeJournal, 100},
{nil, "000000.log", TypeJournal, 0},
{[]string{"000000.sst"}, "000000.ldb", TypeTable, 0},
{nil, "MANIFEST-000002", TypeManifest, 2},
{nil, "MANIFEST-000007", TypeManifest, 7},
{nil, "18446744073709551615.log", TypeJournal, 18446744073709551615},
{nil, "000100.tmp", TypeTemp, 100},
}
var invalidCases = []string{
"",
"foo",
"foo-dx-100.log",
".log",
"",
"manifest",
"CURREN",
"CURRENTX",
"MANIFES",
"MANIFEST",
"MANIFEST-",
"XMANIFEST-3",
"MANIFEST-3x",
"LOC",
"LOCKx",
"LO",
"LOGx",
"18446744073709551616.log",
"184467440737095516150.log",
"100",
"100.",
"100.lop",
}
func TestFileStorage_CreateFileName(t *testing.T) {
for _, c := range cases {
f := &file{num: c.num, t: c.ftype}
if f.name() != c.name {
t.Errorf("invalid filename got '%s', want '%s'", f.name(), c.name)
}
}
}
func TestFileStorage_ParseFileName(t *testing.T) {
for _, c := range cases {
for _, name := range append([]string{c.name}, c.oldName...) {
f := new(file)
if !f.parse(name) {
t.Errorf("cannot parse filename '%s'", name)
continue
}
if f.Type() != c.ftype {
t.Errorf("filename '%s' invalid type got '%d', want '%d'", name, f.Type(), c.ftype)
}
if f.Num() != c.num {
t.Errorf("filename '%s' invalid number got '%d', want '%d'", name, f.Num(), c.num)
}
}
}
}
func TestFileStorage_InvalidFileName(t *testing.T) {
for _, name := range invalidCases {
f := new(file)
if f.parse(name) {
t.Errorf("filename '%s' should be invalid", name)
}
}
}
func TestFileStorage_Locking(t *testing.T) {
path := filepath.Join(os.TempDir(), fmt.Sprintf("goleveldbtestfd-%d", os.Getuid()))
_, err := os.Stat(path)
if err == nil {
err = os.RemoveAll(path)
if err != nil {
t.Fatal("RemoveAll: got error: ", err)
}
}
p1, err := OpenFile(path)
if err != nil {
t.Fatal("OpenFile(1): got error: ", err)
}
defer os.RemoveAll(path)
p2, err := OpenFile(path)
if err != nil {
t.Logf("OpenFile(2): got error: %s (expected)", err)
} else {
p2.Close()
p1.Close()
t.Fatal("OpenFile(2): expect error")
}
p1.Close()
p3, err := OpenFile(path)
if err != nil {
t.Fatal("OpenFile(3): got error: ", err)
}
defer p3.Close()
l, err := p3.Lock()
if err != nil {
t.Fatal("storage lock failed(1): ", err)
}
_, err = p3.Lock()
if err == nil {
t.Fatal("expect error for second storage lock attempt")
} else {
t.Logf("storage lock got error: %s (expected)", err)
}
l.Release()
_, err = p3.Lock()
if err != nil {
t.Fatal("storage lock failed(2): ", err)
}
}
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