syncthing/lib/db/set_test.go

1616 lines
54 KiB
Go

// Copyright (C) 2014 The Syncthing Authors.
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this file,
// You can obtain one at https://mozilla.org/MPL/2.0/.
package db_test
import (
"bytes"
"fmt"
"os"
"path/filepath"
"sort"
"testing"
"time"
"github.com/d4l3k/messagediff"
"github.com/syncthing/syncthing/lib/db"
"github.com/syncthing/syncthing/lib/db/backend"
"github.com/syncthing/syncthing/lib/fs"
"github.com/syncthing/syncthing/lib/protocol"
)
var remoteDevice0, remoteDevice1 protocol.DeviceID
func init() {
remoteDevice0, _ = protocol.DeviceIDFromString("AIR6LPZ-7K4PTTV-UXQSMUU-CPQ5YWH-OEDFIIQ-JUG777G-2YQXXR5-YD6AWQR")
remoteDevice1, _ = protocol.DeviceIDFromString("I6KAH76-66SLLLB-5PFXSOA-UFJCDZC-YAOMLEK-CP2GB32-BV5RQST-3PSROAU")
}
const myID = 1
func genBlocks(n int) []protocol.BlockInfo {
b := make([]protocol.BlockInfo, n)
for i := range b {
h := make([]byte, 32)
for j := range h {
h[j] = byte(i + j)
}
b[i].Size = int32(i)
b[i].Hash = h
}
return b
}
func globalList(s *db.FileSet) []protocol.FileInfo {
var fs []protocol.FileInfo
snap := s.Snapshot()
defer snap.Release()
snap.WithGlobal(func(fi db.FileIntf) bool {
f := fi.(protocol.FileInfo)
fs = append(fs, f)
return true
})
return fs
}
func globalListPrefixed(s *db.FileSet, prefix string) []db.FileInfoTruncated {
var fs []db.FileInfoTruncated
snap := s.Snapshot()
defer snap.Release()
snap.WithPrefixedGlobalTruncated(prefix, func(fi db.FileIntf) bool {
f := fi.(db.FileInfoTruncated)
fs = append(fs, f)
return true
})
return fs
}
func haveList(s *db.FileSet, n protocol.DeviceID) []protocol.FileInfo {
var fs []protocol.FileInfo
snap := s.Snapshot()
defer snap.Release()
snap.WithHave(n, func(fi db.FileIntf) bool {
f := fi.(protocol.FileInfo)
fs = append(fs, f)
return true
})
return fs
}
func haveListPrefixed(s *db.FileSet, n protocol.DeviceID, prefix string) []db.FileInfoTruncated {
var fs []db.FileInfoTruncated
snap := s.Snapshot()
defer snap.Release()
snap.WithPrefixedHaveTruncated(n, prefix, func(fi db.FileIntf) bool {
f := fi.(db.FileInfoTruncated)
fs = append(fs, f)
return true
})
return fs
}
func needList(s *db.FileSet, n protocol.DeviceID) []protocol.FileInfo {
var fs []protocol.FileInfo
snap := s.Snapshot()
defer snap.Release()
snap.WithNeed(n, func(fi db.FileIntf) bool {
f := fi.(protocol.FileInfo)
fs = append(fs, f)
return true
})
return fs
}
type fileList []protocol.FileInfo
func (l fileList) Len() int {
return len(l)
}
func (l fileList) Less(a, b int) bool {
return l[a].Name < l[b].Name
}
func (l fileList) Swap(a, b int) {
l[a], l[b] = l[b], l[a]
}
func (l fileList) String() string {
var b bytes.Buffer
b.WriteString("[]protocol.FileList{\n")
for _, f := range l {
fmt.Fprintf(&b, " %q: #%v, %d bytes, %d blocks, perms=%o\n", f.Name, f.Version, f.Size, len(f.Blocks), f.Permissions)
}
b.WriteString("}")
return b.String()
}
func setSequence(seq int64, files fileList) int64 {
for i := range files {
seq++
files[i].Sequence = seq
}
return seq
}
func TestGlobalSet(t *testing.T) {
ldb := db.NewLowlevel(backend.OpenMemory())
defer ldb.Close()
m := db.NewFileSet("test", fs.NewFilesystem(fs.FilesystemTypeBasic, "."), ldb)
local0 := fileList{
protocol.FileInfo{Name: "a", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1000}}}, Blocks: genBlocks(1)},
protocol.FileInfo{Name: "b", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1000}}}, Blocks: genBlocks(2)},
protocol.FileInfo{Name: "c", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1000}}}, Blocks: genBlocks(3)},
protocol.FileInfo{Name: "d", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1000}}}, Blocks: genBlocks(4)},
protocol.FileInfo{Name: "z", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1000}}}, Blocks: genBlocks(8)},
}
localSeq := setSequence(0, local0)
local1 := fileList{
protocol.FileInfo{Name: "a", Sequence: 6, Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1000}}}, Blocks: genBlocks(1)},
protocol.FileInfo{Name: "b", Sequence: 7, Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1000}}}, Blocks: genBlocks(2)},
protocol.FileInfo{Name: "c", Sequence: 8, Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1000}}}, Blocks: genBlocks(3)},
protocol.FileInfo{Name: "d", Sequence: 9, Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1000}}}, Blocks: genBlocks(4)},
protocol.FileInfo{Name: "z", Sequence: 10, Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1001}}}, Deleted: true},
}
setSequence(localSeq, local1)
localTot := fileList{
local1[0],
local1[1],
local1[2],
local1[3],
protocol.FileInfo{Name: "z", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1001}}}, Deleted: true},
}
remote0 := fileList{
protocol.FileInfo{Name: "a", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1000}}}, Blocks: genBlocks(1)},
protocol.FileInfo{Name: "b", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1000}}}, Blocks: genBlocks(2)},
protocol.FileInfo{Name: "c", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1001}}}, Blocks: genBlocks(5)},
}
remoteSeq := setSequence(0, remote0)
remote1 := fileList{
protocol.FileInfo{Name: "b", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1001}}}, Blocks: genBlocks(6)},
protocol.FileInfo{Name: "e", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1000}}}, Blocks: genBlocks(7)},
}
setSequence(remoteSeq, remote1)
remoteTot := fileList{
remote0[0],
remote1[0],
remote0[2],
remote1[1],
}
expectedGlobal := fileList{
remote0[0], // a
remote1[0], // b
remote0[2], // c
localTot[3], // d
remote1[1], // e
localTot[4], // z
}
expectedLocalNeed := fileList{
remote1[0],
remote0[2],
remote1[1],
}
expectedRemoteNeed := fileList{
local0[3],
}
replace(m, protocol.LocalDeviceID, local0)
replace(m, protocol.LocalDeviceID, local1)
replace(m, remoteDevice0, remote0)
m.Update(remoteDevice0, remote1)
check := func() {
t.Helper()
g := fileList(globalList(m))
sort.Sort(g)
if fmt.Sprint(g) != fmt.Sprint(expectedGlobal) {
t.Errorf("Global incorrect;\n A: %v !=\n E: %v", g, expectedGlobal)
}
globalFiles, globalDirectories, globalDeleted, globalBytes := int32(0), int32(0), int32(0), int64(0)
for _, f := range g {
if f.IsInvalid() {
continue
}
switch {
case f.IsDeleted():
globalDeleted++
case f.IsDirectory():
globalDirectories++
default:
globalFiles++
}
globalBytes += f.FileSize()
}
gs := globalSize(m)
if gs.Files != globalFiles {
t.Errorf("Incorrect GlobalSize files; %d != %d", gs.Files, globalFiles)
}
if gs.Directories != globalDirectories {
t.Errorf("Incorrect GlobalSize directories; %d != %d", gs.Directories, globalDirectories)
}
if gs.Deleted != globalDeleted {
t.Errorf("Incorrect GlobalSize deleted; %d != %d", gs.Deleted, globalDeleted)
}
if gs.Bytes != globalBytes {
t.Errorf("Incorrect GlobalSize bytes; %d != %d", gs.Bytes, globalBytes)
}
h := fileList(haveList(m, protocol.LocalDeviceID))
sort.Sort(h)
if fmt.Sprint(h) != fmt.Sprint(localTot) {
t.Errorf("Have incorrect (local);\n A: %v !=\n E: %v", h, localTot)
}
haveFiles, haveDirectories, haveDeleted, haveBytes := int32(0), int32(0), int32(0), int64(0)
for _, f := range h {
if f.IsInvalid() {
continue
}
switch {
case f.IsDeleted():
haveDeleted++
case f.IsDirectory():
haveDirectories++
default:
haveFiles++
}
haveBytes += f.FileSize()
}
ls := localSize(m)
if ls.Files != haveFiles {
t.Errorf("Incorrect LocalSize files; %d != %d", ls.Files, haveFiles)
}
if ls.Directories != haveDirectories {
t.Errorf("Incorrect LocalSize directories; %d != %d", ls.Directories, haveDirectories)
}
if ls.Deleted != haveDeleted {
t.Errorf("Incorrect LocalSize deleted; %d != %d", ls.Deleted, haveDeleted)
}
if ls.Bytes != haveBytes {
t.Errorf("Incorrect LocalSize bytes; %d != %d", ls.Bytes, haveBytes)
}
h = fileList(haveList(m, remoteDevice0))
sort.Sort(h)
if fmt.Sprint(h) != fmt.Sprint(remoteTot) {
t.Errorf("Have incorrect (remote);\n A: %v !=\n E: %v", h, remoteTot)
}
n := fileList(needList(m, protocol.LocalDeviceID))
sort.Sort(n)
if fmt.Sprint(n) != fmt.Sprint(expectedLocalNeed) {
t.Errorf("Need incorrect (local);\n A: %v !=\n E: %v", n, expectedLocalNeed)
}
n = fileList(needList(m, remoteDevice0))
sort.Sort(n)
if fmt.Sprint(n) != fmt.Sprint(expectedRemoteNeed) {
t.Errorf("Need incorrect (remote);\n A: %v !=\n E: %v", n, expectedRemoteNeed)
}
snap := m.Snapshot()
defer snap.Release()
f, ok := snap.Get(protocol.LocalDeviceID, "b")
if !ok {
t.Error("Unexpectedly not OK")
}
if fmt.Sprint(f) != fmt.Sprint(localTot[1]) {
t.Errorf("Get incorrect;\n A: %v !=\n E: %v", f, localTot[1])
}
f, ok = snap.Get(remoteDevice0, "b")
if !ok {
t.Error("Unexpectedly not OK")
}
if fmt.Sprint(f) != fmt.Sprint(remote1[0]) {
t.Errorf("Get incorrect (remote);\n A: %v !=\n E: %v", f, remote1[0])
}
f, ok = snap.GetGlobal("b")
if !ok {
t.Error("Unexpectedly not OK")
}
if fmt.Sprint(f) != fmt.Sprint(expectedGlobal[1]) {
t.Errorf("GetGlobal incorrect;\n A: %v !=\n E: %v", f, remote1[0])
}
f, ok = snap.Get(protocol.LocalDeviceID, "zz")
if ok {
t.Error("Unexpectedly OK")
}
if f.Name != "" {
t.Errorf("Get incorrect (local);\n A: %v !=\n E: %v", f, protocol.FileInfo{})
}
f, ok = snap.GetGlobal("zz")
if ok {
t.Error("Unexpectedly OK")
}
if f.Name != "" {
t.Errorf("GetGlobal incorrect;\n A: %v !=\n E: %v", f, protocol.FileInfo{})
}
}
check()
snap := m.Snapshot()
av := []protocol.DeviceID{protocol.LocalDeviceID, remoteDevice0}
a := snap.Availability("a")
if !(len(a) == 2 && (a[0] == av[0] && a[1] == av[1] || a[0] == av[1] && a[1] == av[0])) {
t.Errorf("Availability incorrect;\n A: %v !=\n E: %v", a, av)
}
a = snap.Availability("b")
if len(a) != 1 || a[0] != remoteDevice0 {
t.Errorf("Availability incorrect;\n A: %v !=\n E: %v", a, remoteDevice0)
}
a = snap.Availability("d")
if len(a) != 1 || a[0] != protocol.LocalDeviceID {
t.Errorf("Availability incorrect;\n A: %v !=\n E: %v", a, protocol.LocalDeviceID)
}
snap.Release()
// Now bring another remote into play
secRemote := fileList{
local1[0], // a
remote1[0], // b
local1[3], // d
remote1[1], // e
local1[4], // z
}
secRemote[0].Version = secRemote[0].Version.Update(remoteDevice1.Short())
secRemote[1].Version = secRemote[1].Version.Update(remoteDevice1.Short())
secRemote[4].Version = secRemote[4].Version.Update(remoteDevice1.Short())
secRemote[4].Deleted = false
secRemote[4].Blocks = genBlocks(1)
setSequence(0, secRemote)
expectedGlobal = fileList{
secRemote[0], // a
secRemote[1], // b
remote0[2], // c
localTot[3], // d
secRemote[3], // e
secRemote[4], // z
}
expectedLocalNeed = fileList{
secRemote[0], // a
secRemote[1], // b
remote0[2], // c
secRemote[3], // e
secRemote[4], // z
}
expectedRemoteNeed = fileList{
secRemote[0], // a
secRemote[1], // b
local0[3], // d
secRemote[4], // z
}
expectedSecRemoteNeed := fileList{
remote0[2], // c
}
m.Update(remoteDevice1, secRemote)
check()
h := fileList(haveList(m, remoteDevice1))
sort.Sort(h)
if fmt.Sprint(h) != fmt.Sprint(secRemote) {
t.Errorf("Have incorrect (secRemote);\n A: %v !=\n E: %v", h, secRemote)
}
n := fileList(needList(m, remoteDevice1))
sort.Sort(n)
if fmt.Sprint(n) != fmt.Sprint(expectedSecRemoteNeed) {
t.Errorf("Need incorrect (secRemote);\n A: %v !=\n E: %v", n, expectedSecRemoteNeed)
}
}
func TestNeedWithInvalid(t *testing.T) {
ldb := db.NewLowlevel(backend.OpenMemory())
defer ldb.Close()
s := db.NewFileSet("test", fs.NewFilesystem(fs.FilesystemTypeBasic, "."), ldb)
localHave := fileList{
protocol.FileInfo{Name: "a", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1000}}}, Blocks: genBlocks(1)},
}
remote0Have := fileList{
protocol.FileInfo{Name: "b", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1001}}}, Blocks: genBlocks(2)},
protocol.FileInfo{Name: "c", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1002}}}, Blocks: genBlocks(5), RawInvalid: true},
protocol.FileInfo{Name: "d", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1003}}}, Blocks: genBlocks(7)},
}
remote1Have := fileList{
protocol.FileInfo{Name: "c", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1002}}}, Blocks: genBlocks(7)},
protocol.FileInfo{Name: "d", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1003}}}, Blocks: genBlocks(5), RawInvalid: true},
protocol.FileInfo{Name: "e", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1004}}}, Blocks: genBlocks(5), RawInvalid: true},
}
expectedNeed := fileList{
protocol.FileInfo{Name: "b", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1001}}}, Blocks: genBlocks(2)},
protocol.FileInfo{Name: "c", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1002}}}, Blocks: genBlocks(7)},
protocol.FileInfo{Name: "d", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1003}}}, Blocks: genBlocks(7)},
}
replace(s, protocol.LocalDeviceID, localHave)
replace(s, remoteDevice0, remote0Have)
replace(s, remoteDevice1, remote1Have)
need := fileList(needList(s, protocol.LocalDeviceID))
sort.Sort(need)
if fmt.Sprint(need) != fmt.Sprint(expectedNeed) {
t.Errorf("Need incorrect;\n A: %v !=\n E: %v", need, expectedNeed)
}
}
func TestUpdateToInvalid(t *testing.T) {
ldb := db.NewLowlevel(backend.OpenMemory())
defer ldb.Close()
folder := "test"
s := db.NewFileSet(folder, fs.NewFilesystem(fs.FilesystemTypeBasic, "."), ldb)
f := db.NewBlockFinder(ldb)
localHave := fileList{
protocol.FileInfo{Name: "a", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1000}}}, Blocks: genBlocks(1)},
protocol.FileInfo{Name: "b", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1001}}}, Blocks: genBlocks(2)},
protocol.FileInfo{Name: "c", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1002}}}, Blocks: genBlocks(5), LocalFlags: protocol.FlagLocalIgnored},
protocol.FileInfo{Name: "d", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1003}}}, Blocks: genBlocks(7)},
protocol.FileInfo{Name: "e", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1003}}}, LocalFlags: protocol.FlagLocalIgnored},
}
replace(s, protocol.LocalDeviceID, localHave)
have := fileList(haveList(s, protocol.LocalDeviceID))
sort.Sort(have)
if fmt.Sprint(have) != fmt.Sprint(localHave) {
t.Errorf("Have incorrect before invalidation;\n A: %v !=\n E: %v", have, localHave)
}
oldBlockHash := localHave[1].Blocks[0].Hash
localHave[1].LocalFlags = protocol.FlagLocalIgnored
localHave[1].Blocks = nil
localHave[4].LocalFlags = 0
localHave[4].Blocks = genBlocks(3)
s.Update(protocol.LocalDeviceID, append(fileList{}, localHave[1], localHave[4]))
have = fileList(haveList(s, protocol.LocalDeviceID))
sort.Sort(have)
if fmt.Sprint(have) != fmt.Sprint(localHave) {
t.Errorf("Have incorrect after invalidation;\n A: %v !=\n E: %v", have, localHave)
}
f.Iterate([]string{folder}, oldBlockHash, func(folder, file string, index int32) bool {
if file == localHave[1].Name {
t.Errorf("Found unexpected block in blockmap for invalidated file")
return true
}
return false
})
if !f.Iterate([]string{folder}, localHave[4].Blocks[0].Hash, func(folder, file string, index int32) bool {
return file == localHave[4].Name
}) {
t.Errorf("First block of un-invalidated file is missing from blockmap")
}
}
func TestInvalidAvailability(t *testing.T) {
ldb := db.NewLowlevel(backend.OpenMemory())
defer ldb.Close()
s := db.NewFileSet("test", fs.NewFilesystem(fs.FilesystemTypeBasic, "."), ldb)
remote0Have := fileList{
protocol.FileInfo{Name: "both", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1001}}}, Blocks: genBlocks(2)},
protocol.FileInfo{Name: "r1only", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1002}}}, Blocks: genBlocks(5), RawInvalid: true},
protocol.FileInfo{Name: "r0only", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1003}}}, Blocks: genBlocks(7)},
protocol.FileInfo{Name: "none", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1004}}}, Blocks: genBlocks(5), RawInvalid: true},
}
remote1Have := fileList{
protocol.FileInfo{Name: "both", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1001}}}, Blocks: genBlocks(2)},
protocol.FileInfo{Name: "r1only", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1002}}}, Blocks: genBlocks(7)},
protocol.FileInfo{Name: "r0only", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1003}}}, Blocks: genBlocks(5), RawInvalid: true},
protocol.FileInfo{Name: "none", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1004}}}, Blocks: genBlocks(5), RawInvalid: true},
}
replace(s, remoteDevice0, remote0Have)
replace(s, remoteDevice1, remote1Have)
snap := s.Snapshot()
defer snap.Release()
if av := snap.Availability("both"); len(av) != 2 {
t.Error("Incorrect availability for 'both':", av)
}
if av := snap.Availability("r0only"); len(av) != 1 || av[0] != remoteDevice0 {
t.Error("Incorrect availability for 'r0only':", av)
}
if av := snap.Availability("r1only"); len(av) != 1 || av[0] != remoteDevice1 {
t.Error("Incorrect availability for 'r1only':", av)
}
if av := snap.Availability("none"); len(av) != 0 {
t.Error("Incorrect availability for 'none':", av)
}
}
func TestGlobalReset(t *testing.T) {
ldb := db.NewLowlevel(backend.OpenMemory())
defer ldb.Close()
m := db.NewFileSet("test", fs.NewFilesystem(fs.FilesystemTypeBasic, "."), ldb)
local := []protocol.FileInfo{
{Name: "a", Sequence: 1, Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1000}}}},
{Name: "b", Sequence: 2, Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1000}}}},
{Name: "c", Sequence: 3, Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1000}}}},
{Name: "d", Sequence: 4, Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1000}}}},
}
remote := []protocol.FileInfo{
{Name: "a", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1000}}}},
{Name: "b", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1001}}}},
{Name: "c", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1002}}}},
{Name: "e", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1000}}}},
}
replace(m, protocol.LocalDeviceID, local)
g := globalList(m)
sort.Sort(fileList(g))
if diff, equal := messagediff.PrettyDiff(local, g); !equal {
t.Errorf("Global incorrect;\nglobal: %v\n!=\nlocal: %v\ndiff:\n%s", g, local, diff)
}
replace(m, remoteDevice0, remote)
replace(m, remoteDevice0, nil)
g = globalList(m)
sort.Sort(fileList(g))
if diff, equal := messagediff.PrettyDiff(local, g); !equal {
t.Errorf("Global incorrect;\nglobal: %v\n!=\nlocal: %v\ndiff:\n%s", g, local, diff)
}
}
func TestNeed(t *testing.T) {
ldb := db.NewLowlevel(backend.OpenMemory())
defer ldb.Close()
m := db.NewFileSet("test", fs.NewFilesystem(fs.FilesystemTypeBasic, "."), ldb)
local := []protocol.FileInfo{
{Name: "b", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1000}}}},
{Name: "a", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1000}}}},
{Name: "c", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1000}}}},
{Name: "d", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1000}}}},
}
remote := []protocol.FileInfo{
{Name: "a", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1000}}}},
{Name: "b", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1001}}}},
{Name: "c", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1002}}}},
{Name: "e", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1000}}}},
}
shouldNeed := []protocol.FileInfo{
{Name: "b", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1001}}}},
{Name: "c", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1002}}}},
{Name: "e", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1000}}}},
}
replace(m, protocol.LocalDeviceID, local)
replace(m, remoteDevice0, remote)
need := needList(m, protocol.LocalDeviceID)
sort.Sort(fileList(need))
sort.Sort(fileList(shouldNeed))
if fmt.Sprint(need) != fmt.Sprint(shouldNeed) {
t.Errorf("Need incorrect;\n%v !=\n%v", need, shouldNeed)
}
}
func TestSequence(t *testing.T) {
ldb := db.NewLowlevel(backend.OpenMemory())
defer ldb.Close()
m := db.NewFileSet("test", fs.NewFilesystem(fs.FilesystemTypeBasic, "."), ldb)
local1 := []protocol.FileInfo{
{Name: "a", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1000}}}},
{Name: "b", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1000}}}},
{Name: "c", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1000}}}},
{Name: "d", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1000}}}},
}
local2 := []protocol.FileInfo{
local1[0],
// [1] deleted
local1[2],
{Name: "d", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1002}}}},
{Name: "e", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1000}}}},
}
replace(m, protocol.LocalDeviceID, local1)
c0 := m.Sequence(protocol.LocalDeviceID)
replace(m, protocol.LocalDeviceID, local2)
c1 := m.Sequence(protocol.LocalDeviceID)
if !(c1 > c0) {
t.Fatal("Local version number should have incremented")
}
}
func TestListDropFolder(t *testing.T) {
ldb := db.NewLowlevel(backend.OpenMemory())
defer ldb.Close()
s0 := db.NewFileSet("test0", fs.NewFilesystem(fs.FilesystemTypeBasic, "."), ldb)
local1 := []protocol.FileInfo{
{Name: "a", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1000}}}},
{Name: "b", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1000}}}},
{Name: "c", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1000}}}},
}
replace(s0, protocol.LocalDeviceID, local1)
s1 := db.NewFileSet("test1", fs.NewFilesystem(fs.FilesystemTypeBasic, "."), ldb)
local2 := []protocol.FileInfo{
{Name: "d", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1002}}}},
{Name: "e", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1002}}}},
{Name: "f", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1002}}}},
}
replace(s1, remoteDevice0, local2)
// Check that we have both folders and their data is in the global list
expectedFolderList := []string{"test0", "test1"}
actualFolderList := ldb.ListFolders()
if diff, equal := messagediff.PrettyDiff(expectedFolderList, actualFolderList); !equal {
t.Fatalf("FolderList mismatch. Diff:\n%s", diff)
}
if l := len(globalList(s0)); l != 3 {
t.Errorf("Incorrect global length %d != 3 for s0", l)
}
if l := len(globalList(s1)); l != 3 {
t.Errorf("Incorrect global length %d != 3 for s1", l)
}
// Drop one of them and check that it's gone.
db.DropFolder(ldb, "test1")
expectedFolderList = []string{"test0"}
actualFolderList = ldb.ListFolders()
if diff, equal := messagediff.PrettyDiff(expectedFolderList, actualFolderList); !equal {
t.Fatalf("FolderList mismatch. Diff:\n%s", diff)
}
if l := len(globalList(s0)); l != 3 {
t.Errorf("Incorrect global length %d != 3 for s0", l)
}
if l := len(globalList(s1)); l != 0 {
t.Errorf("Incorrect global length %d != 0 for s1", l)
}
}
func TestGlobalNeedWithInvalid(t *testing.T) {
ldb := db.NewLowlevel(backend.OpenMemory())
defer ldb.Close()
s := db.NewFileSet("test1", fs.NewFilesystem(fs.FilesystemTypeBasic, "."), ldb)
rem0 := fileList{
protocol.FileInfo{Name: "a", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1002}}}, Blocks: genBlocks(4)},
protocol.FileInfo{Name: "b", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1002}}}, RawInvalid: true},
protocol.FileInfo{Name: "c", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1002}}}, Blocks: genBlocks(4)},
protocol.FileInfo{Name: "d", Version: protocol.Vector{Counters: []protocol.Counter{{ID: remoteDevice0.Short(), Value: 1002}}}},
}
replace(s, remoteDevice0, rem0)
rem1 := fileList{
protocol.FileInfo{Name: "a", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1002}}}, Blocks: genBlocks(4)},
protocol.FileInfo{Name: "b", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1002}}}, Blocks: genBlocks(4)},
protocol.FileInfo{Name: "c", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1002}}}, RawInvalid: true},
protocol.FileInfo{Name: "d", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1002}}}, RawInvalid: true, ModifiedS: 10},
}
replace(s, remoteDevice1, rem1)
total := fileList{
// There's a valid copy of each file, so it should be merged
protocol.FileInfo{Name: "a", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1002}}}, Blocks: genBlocks(4)},
protocol.FileInfo{Name: "b", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1002}}}, Blocks: genBlocks(4)},
protocol.FileInfo{Name: "c", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1002}}}, Blocks: genBlocks(4)},
// in conflict and older, but still wins as the other is invalid
protocol.FileInfo{Name: "d", Version: protocol.Vector{Counters: []protocol.Counter{{ID: remoteDevice0.Short(), Value: 1002}}}},
}
need := fileList(needList(s, protocol.LocalDeviceID))
if fmt.Sprint(need) != fmt.Sprint(total) {
t.Errorf("Need incorrect;\n A: %v !=\n E: %v", need, total)
}
global := fileList(globalList(s))
if fmt.Sprint(global) != fmt.Sprint(total) {
t.Errorf("Global incorrect;\n A: %v !=\n E: %v", global, total)
}
}
func TestLongPath(t *testing.T) {
ldb := db.NewLowlevel(backend.OpenMemory())
defer ldb.Close()
s := db.NewFileSet("test", fs.NewFilesystem(fs.FilesystemTypeBasic, "."), ldb)
var b bytes.Buffer
for i := 0; i < 100; i++ {
b.WriteString("012345678901234567890123456789012345678901234567890")
}
name := b.String() // 5000 characters
local := []protocol.FileInfo{
{Name: name, Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1000}}}},
}
replace(s, protocol.LocalDeviceID, local)
gf := globalList(s)
if l := len(gf); l != 1 {
t.Fatalf("Incorrect len %d != 1 for global list", l)
}
if gf[0].Name != local[0].Name {
t.Errorf("Incorrect long filename;\n%q !=\n%q",
gf[0].Name, local[0].Name)
}
}
func BenchmarkUpdateOneFile(b *testing.B) {
local0 := fileList{
protocol.FileInfo{Name: "a", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1000}}}, Blocks: genBlocks(1)},
protocol.FileInfo{Name: "b", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1000}}}, Blocks: genBlocks(2)},
protocol.FileInfo{Name: "c", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1000}}}, Blocks: genBlocks(3)},
protocol.FileInfo{Name: "d", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1000}}}, Blocks: genBlocks(4)},
// A longer name is more realistic and causes more allocations
protocol.FileInfo{Name: "zajksdhaskjdh/askjdhaskjdashkajshd/kasjdhaskjdhaskdjhaskdjash/dkjashdaksjdhaskdjahskdjh", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1000}}}, Blocks: genBlocks(8)},
}
be, err := backend.Open("testdata/benchmarkupdate.db", backend.TuningAuto)
if err != nil {
b.Fatal(err)
}
ldb := db.NewLowlevel(be)
defer func() {
ldb.Close()
os.RemoveAll("testdata/benchmarkupdate.db")
}()
m := db.NewFileSet("test", fs.NewFilesystem(fs.FilesystemTypeBasic, "."), ldb)
replace(m, protocol.LocalDeviceID, local0)
l := local0[4:5]
for i := 0; i < b.N; i++ {
l[0].Version = l[0].Version.Update(myID)
m.Update(protocol.LocalDeviceID, local0)
}
b.ReportAllocs()
}
func TestIndexID(t *testing.T) {
ldb := db.NewLowlevel(backend.OpenMemory())
defer ldb.Close()
s := db.NewFileSet("test", fs.NewFilesystem(fs.FilesystemTypeBasic, "."), ldb)
// The Index ID for some random device is zero by default.
id := s.IndexID(remoteDevice0)
if id != 0 {
t.Errorf("index ID for remote device should default to zero, not %d", id)
}
// The Index ID for someone else should be settable
s.SetIndexID(remoteDevice0, 42)
id = s.IndexID(remoteDevice0)
if id != 42 {
t.Errorf("index ID for remote device should be remembered; got %d, expected %d", id, 42)
}
// Our own index ID should be generated randomly.
id = s.IndexID(protocol.LocalDeviceID)
if id == 0 {
t.Errorf("index ID for local device should be random, not zero")
}
t.Logf("random index ID is 0x%016x", id)
// But of course always the same after that.
again := s.IndexID(protocol.LocalDeviceID)
if again != id {
t.Errorf("index ID changed; %d != %d", again, id)
}
}
func TestDropFiles(t *testing.T) {
ldb := db.NewLowlevel(backend.OpenMemory())
m := db.NewFileSet("test", fs.NewFilesystem(fs.FilesystemTypeBasic, "."), ldb)
local0 := fileList{
protocol.FileInfo{Name: "a", Sequence: 1, Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1000}}}, Blocks: genBlocks(1)},
protocol.FileInfo{Name: "b", Sequence: 2, Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1000}}}, Blocks: genBlocks(2)},
protocol.FileInfo{Name: "c", Sequence: 3, Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1000}}}, Blocks: genBlocks(3)},
protocol.FileInfo{Name: "d", Sequence: 4, Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1000}}}, Blocks: genBlocks(4)},
protocol.FileInfo{Name: "z", Sequence: 5, Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1000}}}, Blocks: genBlocks(8)},
}
remote0 := fileList{
protocol.FileInfo{Name: "a", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1000}}}, Blocks: genBlocks(1)},
protocol.FileInfo{Name: "b", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1000}}}, Blocks: genBlocks(2)},
protocol.FileInfo{Name: "c", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1001}}}, Blocks: genBlocks(5)},
}
// Insert files
m.Update(protocol.LocalDeviceID, local0)
m.Update(remoteDevice0, remote0)
// Check that they're there
h := haveList(m, protocol.LocalDeviceID)
if len(h) != len(local0) {
t.Errorf("Incorrect number of files after update, %d != %d", len(h), len(local0))
}
h = haveList(m, remoteDevice0)
if len(h) != len(remote0) {
t.Errorf("Incorrect number of files after update, %d != %d", len(h), len(local0))
}
g := globalList(m)
if len(g) != len(local0) {
// local0 covers all files
t.Errorf("Incorrect global files after update, %d != %d", len(g), len(local0))
}
// Drop the local files and recheck
m.Drop(protocol.LocalDeviceID)
h = haveList(m, protocol.LocalDeviceID)
if len(h) != 0 {
t.Errorf("Incorrect number of files after drop, %d != %d", len(h), 0)
}
h = haveList(m, remoteDevice0)
if len(h) != len(remote0) {
t.Errorf("Incorrect number of files after update, %d != %d", len(h), len(local0))
}
g = globalList(m)
if len(g) != len(remote0) {
// the ones in remote0 remain
t.Errorf("Incorrect global files after update, %d != %d", len(g), len(remote0))
}
}
func TestIssue4701(t *testing.T) {
ldb := db.NewLowlevel(backend.OpenMemory())
defer ldb.Close()
s := db.NewFileSet("test", fs.NewFilesystem(fs.FilesystemTypeBasic, "."), ldb)
localHave := fileList{
protocol.FileInfo{Name: "a", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1000}}}},
protocol.FileInfo{Name: "b", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1000}}}, LocalFlags: protocol.FlagLocalIgnored},
}
s.Update(protocol.LocalDeviceID, localHave)
if c := localSize(s); c.Files != 1 {
t.Errorf("Expected 1 local file, got %v", c.Files)
}
if c := globalSize(s); c.Files != 1 {
t.Errorf("Expected 1 global file, got %v", c.Files)
}
localHave[1].LocalFlags = 0
s.Update(protocol.LocalDeviceID, localHave)
if c := localSize(s); c.Files != 2 {
t.Errorf("Expected 2 local files, got %v", c.Files)
}
if c := globalSize(s); c.Files != 2 {
t.Errorf("Expected 2 global files, got %v", c.Files)
}
localHave[0].LocalFlags = protocol.FlagLocalIgnored
localHave[1].LocalFlags = protocol.FlagLocalIgnored
s.Update(protocol.LocalDeviceID, localHave)
if c := localSize(s); c.Files != 0 {
t.Errorf("Expected 0 local files, got %v", c.Files)
}
if c := globalSize(s); c.Files != 0 {
t.Errorf("Expected 0 global files, got %v", c.Files)
}
}
func TestWithHaveSequence(t *testing.T) {
ldb := db.NewLowlevel(backend.OpenMemory())
defer ldb.Close()
folder := "test"
s := db.NewFileSet(folder, fs.NewFilesystem(fs.FilesystemTypeBasic, "."), ldb)
// The files must not be in alphabetical order
localHave := fileList{
protocol.FileInfo{Name: "e", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1003}}}, RawInvalid: true},
protocol.FileInfo{Name: "b", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1001}}}, Blocks: genBlocks(2)},
protocol.FileInfo{Name: "d", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1003}}}, Blocks: genBlocks(7)},
protocol.FileInfo{Name: "a", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1000}}}, Blocks: genBlocks(1)},
protocol.FileInfo{Name: "c", Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1002}}}, Blocks: genBlocks(5), RawInvalid: true},
}
replace(s, protocol.LocalDeviceID, localHave)
i := 2
snap := s.Snapshot()
defer snap.Release()
snap.WithHaveSequence(int64(i), func(fi db.FileIntf) bool {
if f := fi.(protocol.FileInfo); !f.IsEquivalent(localHave[i-1], 0) {
t.Fatalf("Got %v\nExpected %v", f, localHave[i-1])
}
i++
return true
})
}
func TestStressWithHaveSequence(t *testing.T) {
// This races two loops against each other: one that contiously does
// updates, and one that continuously does sequence walks. The test fails
// if the sequence walker sees a discontinuity.
if testing.Short() {
t.Skip("Takes a long time")
}
ldb := db.NewLowlevel(backend.OpenMemory())
defer ldb.Close()
folder := "test"
s := db.NewFileSet(folder, fs.NewFilesystem(fs.FilesystemTypeBasic, "."), ldb)
var localHave []protocol.FileInfo
for i := 0; i < 100; i++ {
localHave = append(localHave, protocol.FileInfo{Name: fmt.Sprintf("file%d", i), Blocks: genBlocks(i * 10)})
}
done := make(chan struct{})
t0 := time.Now()
go func() {
for time.Since(t0) < 10*time.Second {
for j, f := range localHave {
localHave[j].Version = f.Version.Update(42)
}
s.Update(protocol.LocalDeviceID, localHave)
}
close(done)
}()
var prevSeq int64
loop:
for {
select {
case <-done:
break loop
default:
}
snap := s.Snapshot()
snap.WithHaveSequence(prevSeq+1, func(fi db.FileIntf) bool {
if fi.SequenceNo() < prevSeq+1 {
t.Fatal("Skipped ", prevSeq+1, fi.SequenceNo())
}
prevSeq = fi.SequenceNo()
return true
})
snap.Release()
}
}
func TestIssue4925(t *testing.T) {
ldb := db.NewLowlevel(backend.OpenMemory())
defer ldb.Close()
folder := "test"
s := db.NewFileSet(folder, fs.NewFilesystem(fs.FilesystemTypeBasic, "."), ldb)
localHave := fileList{
protocol.FileInfo{Name: "dir"},
protocol.FileInfo{Name: "dir.file"},
protocol.FileInfo{Name: "dir/file"},
}
replace(s, protocol.LocalDeviceID, localHave)
for _, prefix := range []string{"dir", "dir/"} {
pl := haveListPrefixed(s, protocol.LocalDeviceID, prefix)
if l := len(pl); l != 2 {
t.Errorf("Expected 2, got %v local items below %v", l, prefix)
}
pl = globalListPrefixed(s, prefix)
if l := len(pl); l != 2 {
t.Errorf("Expected 2, got %v global items below %v", l, prefix)
}
}
}
func TestMoveGlobalBack(t *testing.T) {
ldb := db.NewLowlevel(backend.OpenMemory())
defer ldb.Close()
folder := "test"
file := "foo"
s := db.NewFileSet(folder, fs.NewFilesystem(fs.FilesystemTypeBasic, "."), ldb)
localHave := fileList{{Name: file, Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1}}}, Blocks: genBlocks(1), ModifiedS: 10, Size: 1}}
remote0Have := fileList{{Name: file, Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1}, {ID: remoteDevice0.Short(), Value: 1}}}, Blocks: genBlocks(2), ModifiedS: 0, Size: 2}}
s.Update(protocol.LocalDeviceID, localHave)
s.Update(remoteDevice0, remote0Have)
if need := needList(s, protocol.LocalDeviceID); len(need) != 1 {
t.Error("Expected 1 local need, got", need)
} else if !need[0].IsEquivalent(remote0Have[0], 0) {
t.Errorf("Local need incorrect;\n A: %v !=\n E: %v", need[0], remote0Have[0])
}
if need := needList(s, remoteDevice0); len(need) != 0 {
t.Error("Expected no need for remote 0, got", need)
}
ls := localSize(s)
if haveBytes := localHave[0].Size; ls.Bytes != haveBytes {
t.Errorf("Incorrect LocalSize bytes; %d != %d", ls.Bytes, haveBytes)
}
gs := globalSize(s)
if globalBytes := remote0Have[0].Size; gs.Bytes != globalBytes {
t.Errorf("Incorrect GlobalSize bytes; %d != %d", gs.Bytes, globalBytes)
}
// That's what happens when something becomes unignored or something.
// In any case it will be moved back from first spot in the global list
// which is the scenario to be tested here.
remote0Have[0].Version = remote0Have[0].Version.Update(remoteDevice0.Short()).DropOthers(remoteDevice0.Short())
s.Update(remoteDevice0, remote0Have)
if need := needList(s, remoteDevice0); len(need) != 1 {
t.Error("Expected 1 need for remote 0, got", need)
} else if !need[0].IsEquivalent(localHave[0], 0) {
t.Errorf("Need for remote 0 incorrect;\n A: %v !=\n E: %v", need[0], localHave[0])
}
if need := needList(s, protocol.LocalDeviceID); len(need) != 0 {
t.Error("Expected no local need, got", need)
}
ls = localSize(s)
if haveBytes := localHave[0].Size; ls.Bytes != haveBytes {
t.Errorf("Incorrect LocalSize bytes; %d != %d", ls.Bytes, haveBytes)
}
gs = globalSize(s)
if globalBytes := localHave[0].Size; gs.Bytes != globalBytes {
t.Errorf("Incorrect GlobalSize bytes; %d != %d", gs.Bytes, globalBytes)
}
}
// TestIssue5007 checks, that updating the local device with an invalid file
// info with the newest version does indeed remove that file from the list of
// needed files.
// https://github.com/syncthing/syncthing/issues/5007
func TestIssue5007(t *testing.T) {
ldb := db.NewLowlevel(backend.OpenMemory())
defer ldb.Close()
folder := "test"
file := "foo"
s := db.NewFileSet(folder, fs.NewFilesystem(fs.FilesystemTypeBasic, "."), ldb)
fs := fileList{{Name: file, Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1}}}}}
s.Update(remoteDevice0, fs)
if need := needList(s, protocol.LocalDeviceID); len(need) != 1 {
t.Fatal("Expected 1 local need, got", need)
} else if !need[0].IsEquivalent(fs[0], 0) {
t.Fatalf("Local need incorrect;\n A: %v !=\n E: %v", need[0], fs[0])
}
fs[0].LocalFlags = protocol.FlagLocalIgnored
s.Update(protocol.LocalDeviceID, fs)
if need := needList(s, protocol.LocalDeviceID); len(need) != 0 {
t.Fatal("Expected no local need, got", need)
}
}
// TestNeedDeleted checks that a file that doesn't exist locally isn't needed
// when the global file is deleted.
func TestNeedDeleted(t *testing.T) {
ldb := db.NewLowlevel(backend.OpenMemory())
defer ldb.Close()
folder := "test"
file := "foo"
s := db.NewFileSet(folder, fs.NewFilesystem(fs.FilesystemTypeBasic, "."), ldb)
fs := fileList{{Name: file, Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1}}}, Deleted: true}}
s.Update(remoteDevice0, fs)
if need := needList(s, protocol.LocalDeviceID); len(need) != 0 {
t.Fatal("Expected no local need, got", need)
}
fs[0].Deleted = false
fs[0].Version = fs[0].Version.Update(remoteDevice0.Short())
s.Update(remoteDevice0, fs)
if need := needList(s, protocol.LocalDeviceID); len(need) != 1 {
t.Fatal("Expected 1 local need, got", need)
} else if !need[0].IsEquivalent(fs[0], 0) {
t.Fatalf("Local need incorrect;\n A: %v !=\n E: %v", need[0], fs[0])
}
fs[0].Deleted = true
fs[0].Version = fs[0].Version.Update(remoteDevice0.Short())
s.Update(remoteDevice0, fs)
if need := needList(s, protocol.LocalDeviceID); len(need) != 0 {
t.Fatal("Expected no local need, got", need)
}
}
func TestReceiveOnlyAccounting(t *testing.T) {
ldb := db.NewLowlevel(backend.OpenMemory())
defer ldb.Close()
folder := "test"
s := db.NewFileSet(folder, fs.NewFilesystem(fs.FilesystemTypeBasic, "."), ldb)
local := protocol.DeviceID{1}
remote := protocol.DeviceID{2}
// Three files that have been created by the remote device
version := protocol.Vector{Counters: []protocol.Counter{{ID: remote.Short(), Value: 1}}}
files := fileList{
protocol.FileInfo{Name: "f1", Size: 10, Sequence: 1, Version: version},
protocol.FileInfo{Name: "f2", Size: 10, Sequence: 1, Version: version},
protocol.FileInfo{Name: "f3", Size: 10, Sequence: 1, Version: version},
}
// We have synced them locally
replace(s, protocol.LocalDeviceID, files)
replace(s, remote, files)
if n := localSize(s).Files; n != 3 {
t.Fatal("expected 3 local files initially, not", n)
}
if n := localSize(s).Bytes; n != 30 {
t.Fatal("expected 30 local bytes initially, not", n)
}
if n := globalSize(s).Files; n != 3 {
t.Fatal("expected 3 global files initially, not", n)
}
if n := globalSize(s).Bytes; n != 30 {
t.Fatal("expected 30 global bytes initially, not", n)
}
if n := receiveOnlyChangedSize(s).Files; n != 0 {
t.Fatal("expected 0 receive only changed files initially, not", n)
}
if n := receiveOnlyChangedSize(s).Bytes; n != 0 {
t.Fatal("expected 0 receive only changed bytes initially, not", n)
}
// Detected a local change in a receive only folder
changed := files[0]
changed.Version = changed.Version.Update(local.Short())
changed.Size = 100
changed.ModifiedBy = local.Short()
changed.LocalFlags = protocol.FlagLocalReceiveOnly
s.Update(protocol.LocalDeviceID, []protocol.FileInfo{changed})
// Check that we see the files
if n := localSize(s).Files; n != 3 {
t.Fatal("expected 3 local files after local change, not", n)
}
if n := localSize(s).Bytes; n != 120 {
t.Fatal("expected 120 local bytes after local change, not", n)
}
if n := globalSize(s).Files; n != 3 {
t.Fatal("expected 3 global files after local change, not", n)
}
if n := globalSize(s).Bytes; n != 30 {
t.Fatal("expected 30 global files after local change, not", n)
}
if n := receiveOnlyChangedSize(s).Files; n != 1 {
t.Fatal("expected 1 receive only changed file after local change, not", n)
}
if n := receiveOnlyChangedSize(s).Bytes; n != 100 {
t.Fatal("expected 100 receive only changed btyes after local change, not", n)
}
// Fake a revert. That's a two step process, first converting our
// changed file into a less preferred variant, then pulling down the old
// version.
changed.Version = protocol.Vector{}
changed.LocalFlags &^= protocol.FlagLocalReceiveOnly
s.Update(protocol.LocalDeviceID, []protocol.FileInfo{changed})
s.Update(protocol.LocalDeviceID, []protocol.FileInfo{files[0]})
// Check that we see the files, same data as initially
if n := localSize(s).Files; n != 3 {
t.Fatal("expected 3 local files after revert, not", n)
}
if n := localSize(s).Bytes; n != 30 {
t.Fatal("expected 30 local bytes after revert, not", n)
}
if n := globalSize(s).Files; n != 3 {
t.Fatal("expected 3 global files after revert, not", n)
}
if n := globalSize(s).Bytes; n != 30 {
t.Fatal("expected 30 global bytes after revert, not", n)
}
if n := receiveOnlyChangedSize(s).Files; n != 0 {
t.Fatal("expected 0 receive only changed files after revert, not", n)
}
if n := receiveOnlyChangedSize(s).Bytes; n != 0 {
t.Fatal("expected 0 receive only changed bytes after revert, not", n)
}
}
func TestNeedAfterUnignore(t *testing.T) {
ldb := db.NewLowlevel(backend.OpenMemory())
defer ldb.Close()
folder := "test"
file := "foo"
s := db.NewFileSet(folder, fs.NewFilesystem(fs.FilesystemTypeBasic, "."), ldb)
remID := remoteDevice0.Short()
// Initial state: Devices in sync, locally ignored
local := protocol.FileInfo{Name: file, Version: protocol.Vector{Counters: []protocol.Counter{{ID: remID, Value: 1}, {ID: myID, Value: 1}}}, ModifiedS: 10}
local.SetIgnored(myID)
remote := protocol.FileInfo{Name: file, Version: protocol.Vector{Counters: []protocol.Counter{{ID: remID, Value: 1}, {ID: myID, Value: 1}}}, ModifiedS: 10}
s.Update(protocol.LocalDeviceID, fileList{local})
s.Update(remoteDevice0, fileList{remote})
// Unignore locally -> conflicting changes. Remote is newer, thus winning.
local.Version = local.Version.Update(myID)
local.Version = local.Version.DropOthers(myID)
local.LocalFlags = 0
local.ModifiedS = 0
s.Update(protocol.LocalDeviceID, fileList{local})
if need := needList(s, protocol.LocalDeviceID); len(need) != 1 {
t.Fatal("Expected one local need, got", need)
} else if !need[0].IsEquivalent(remote, 0) {
t.Fatalf("Got %v, expected %v", need[0], remote)
}
}
func TestRemoteInvalidNotAccounted(t *testing.T) {
// Remote files with the invalid bit should not count.
ldb := db.NewLowlevel(backend.OpenMemory())
defer ldb.Close()
s := db.NewFileSet("test", fs.NewFilesystem(fs.FilesystemTypeBasic, "."), ldb)
files := []protocol.FileInfo{
{Name: "a", Size: 1234, Sequence: 42, Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1003}}}}, // valid, should count
{Name: "b", Size: 1234, Sequence: 43, Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1003}}}, RawInvalid: true}, // invalid, doesn't count
}
s.Update(remoteDevice0, files)
global := globalSize(s)
if global.Files != 1 {
t.Error("Expected one file in global size, not", global.Files)
}
if global.Bytes != 1234 {
t.Error("Expected 1234 bytes in global size, not", global.Bytes)
}
}
func TestNeedWithNewerInvalid(t *testing.T) {
ldb := db.NewLowlevel(backend.OpenMemory())
defer ldb.Close()
s := db.NewFileSet("default", fs.NewFilesystem(fs.FilesystemTypeBasic, "."), ldb)
rem0ID := remoteDevice0.Short()
rem1ID := remoteDevice1.Short()
// Initial state: file present on rem0 and rem1, but not locally.
file := protocol.FileInfo{Name: "foo"}
file.Version = file.Version.Update(rem0ID)
s.Update(remoteDevice0, fileList{file})
s.Update(remoteDevice1, fileList{file})
need := needList(s, protocol.LocalDeviceID)
if len(need) != 1 {
t.Fatal("Locally missing file should be needed")
}
if !need[0].IsEquivalent(file, 0) {
t.Fatalf("Got needed file %v, expected %v", need[0], file)
}
// rem1 sends an invalid file with increased version
inv := file
inv.Version = inv.Version.Update(rem1ID)
inv.RawInvalid = true
s.Update(remoteDevice1, fileList{inv})
// We still have an old file, we need the newest valid file
need = needList(s, protocol.LocalDeviceID)
if len(need) != 1 {
t.Fatal("Locally missing file should be needed regardless of invalid files")
}
if !need[0].IsEquivalent(file, 0) {
t.Fatalf("Got needed file %v, expected %v", need[0], file)
}
}
func TestNeedAfterDeviceRemove(t *testing.T) {
ldb := db.NewLowlevel(backend.OpenMemory())
defer ldb.Close()
file := "foo"
s := db.NewFileSet("test", fs.NewFilesystem(fs.FilesystemTypeBasic, "."), ldb)
fs := fileList{{Name: file, Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1}}}}}
s.Update(protocol.LocalDeviceID, fs)
fs[0].Version = fs[0].Version.Update(myID)
s.Update(remoteDevice0, fs)
if need := needList(s, protocol.LocalDeviceID); len(need) != 1 {
t.Fatal("Expected one local need, got", need)
}
s.Drop(remoteDevice0)
if need := needList(s, protocol.LocalDeviceID); len(need) != 0 {
t.Fatal("Expected no local need, got", need)
}
}
func TestCaseSensitive(t *testing.T) {
// Normal case sensitive lookup should work
ldb := db.NewLowlevel(backend.OpenMemory())
defer ldb.Close()
s := db.NewFileSet("test", fs.NewFilesystem(fs.FilesystemTypeBasic, "."), ldb)
local := []protocol.FileInfo{
{Name: filepath.FromSlash("D1/f1"), Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1000}}}},
{Name: filepath.FromSlash("F1"), Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1000}}}},
{Name: filepath.FromSlash("d1/F1"), Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1000}}}},
{Name: filepath.FromSlash("d1/f1"), Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1000}}}},
{Name: filepath.FromSlash("f1"), Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1000}}}},
}
replace(s, protocol.LocalDeviceID, local)
gf := globalList(s)
if l := len(gf); l != len(local) {
t.Fatalf("Incorrect len %d != %d for global list", l, len(local))
}
for i := range local {
if gf[i].Name != local[i].Name {
t.Errorf("Incorrect filename;\n%q !=\n%q",
gf[i].Name, local[i].Name)
}
}
}
func TestSequenceIndex(t *testing.T) {
// This test attempts to verify correct operation of the sequence index.
// It's a stress test and needs to run for a long time, but we don't
// really have time for that in normal builds.
runtime := time.Minute
if testing.Short() {
runtime = time.Second
}
// Set up a db and a few files that we will manipulate.
ldb := db.NewLowlevel(backend.OpenMemory())
defer ldb.Close()
s := db.NewFileSet("test", fs.NewFilesystem(fs.FilesystemTypeBasic, "."), ldb)
local := []protocol.FileInfo{
{Name: filepath.FromSlash("banana"), Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1000}}}},
{Name: filepath.FromSlash("pineapple"), Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1000}}}},
{Name: filepath.FromSlash("orange"), Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1000}}}},
{Name: filepath.FromSlash("apple"), Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1000}}}},
{Name: filepath.FromSlash("jackfruit"), Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1000}}}},
}
// Start a background routine that makes updates to these files as fast
// as it can. We always update the same files in the same order.
done := make(chan struct{})
defer close(done)
go func() {
for {
select {
case <-done:
return
default:
}
for i := range local {
local[i].Version = local[i].Version.Update(42)
}
s.Update(protocol.LocalDeviceID, local)
}
}()
// Start a routine to walk the sequence index and inspect the result.
seen := make(map[string]db.FileIntf)
latest := make([]db.FileIntf, 0, len(local))
var seq int64
t0 := time.Now()
for time.Since(t0) < runtime {
// Walk the changes since our last iteration. This should give is
// one instance each of the files that are changed all the time, or
// a subset of those files if we manage to run before a complete
// update has happened since our last iteration.
latest = latest[:0]
snap := s.Snapshot()
snap.WithHaveSequence(seq+1, func(f db.FileIntf) bool {
seen[f.FileName()] = f
latest = append(latest, f)
seq = f.SequenceNo()
return true
})
snap.Release()
// Calculate the spread in sequence number.
var max, min int64
for _, v := range seen {
s := v.SequenceNo()
if max == 0 || max < s {
max = s
}
if min == 0 || min > s {
min = s
}
}
// We shouldn't see a spread larger than the number of files, as
// that would mean we have missed updates. For example, if we were
// to see the following:
//
// banana N
// pineapple N+1
// orange N+2
// apple N+10
// jackfruit N+11
//
// that would mean that there have been updates to banana, pineapple
// and orange that we didn't see in this pass. If those files aren't
// updated again, those updates are permanently lost.
if max-min > int64(len(local)) {
for _, v := range seen {
t.Log("seen", v.FileName(), v.SequenceNo())
}
for _, v := range latest {
t.Log("latest", v.FileName(), v.SequenceNo())
}
t.Fatal("large spread")
}
time.Sleep(time.Millisecond)
}
}
func TestIgnoreAfterReceiveOnly(t *testing.T) {
ldb := db.NewLowlevel(backend.OpenMemory())
defer ldb.Close()
file := "foo"
s := db.NewFileSet("test", fs.NewFilesystem(fs.FilesystemTypeBasic, "."), ldb)
fs := fileList{{
Name: file,
Version: protocol.Vector{Counters: []protocol.Counter{{ID: myID, Value: 1}}},
LocalFlags: protocol.FlagLocalReceiveOnly,
}}
s.Update(protocol.LocalDeviceID, fs)
fs[0].LocalFlags = protocol.FlagLocalIgnored
s.Update(protocol.LocalDeviceID, fs)
snap := s.Snapshot()
defer snap.Release()
if f, ok := snap.Get(protocol.LocalDeviceID, file); !ok {
t.Error("File missing in db")
} else if f.IsReceiveOnlyChanged() {
t.Error("File is still receive-only changed")
} else if !f.IsIgnored() {
t.Error("File is not ignored")
}
}
func replace(fs *db.FileSet, device protocol.DeviceID, files []protocol.FileInfo) {
fs.Drop(device)
fs.Update(device, files)
}
func localSize(fs *db.FileSet) db.Counts {
snap := fs.Snapshot()
defer snap.Release()
return snap.LocalSize()
}
func globalSize(fs *db.FileSet) db.Counts {
snap := fs.Snapshot()
defer snap.Release()
return snap.GlobalSize()
}
func receiveOnlyChangedSize(fs *db.FileSet) db.Counts {
snap := fs.Snapshot()
defer snap.Release()
return snap.ReceiveOnlyChangedSize()
}