syncthing/lib/model/folder_recvonly_test.go

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// Copyright (C) 2018 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 model
import (
"bytes"
"context"
"io/ioutil"
"os"
"testing"
"time"
"github.com/syncthing/syncthing/lib/config"
"github.com/syncthing/syncthing/lib/db"
"github.com/syncthing/syncthing/lib/fs"
"github.com/syncthing/syncthing/lib/protocol"
"github.com/syncthing/syncthing/lib/scanner"
)
func TestRecvOnlyRevertDeletes(t *testing.T) {
testOs := &fatalOs{t}
// Make sure that we delete extraneous files and directories when we hit
// Revert.
testOs.RemoveAll("_recvonly")
defer testOs.RemoveAll("_recvonly")
// Create some test data
testOs.MkdirAll("_recvonly/.stfolder", 0755)
testOs.MkdirAll("_recvonly/ignDir", 0755)
testOs.MkdirAll("_recvonly/unknownDir", 0755)
if err := ioutil.WriteFile("_recvonly/ignDir/ignFile", []byte("hello\n"), 0644); err != nil {
t.Fatal(err)
}
if err := ioutil.WriteFile("_recvonly/unknownDir/unknownFile", []byte("hello\n"), 0644); err != nil {
t.Fatal(err)
}
if err := ioutil.WriteFile("_recvonly/.stignore", []byte("ignDir\n"), 0644); err != nil {
t.Fatal(err)
}
knownFiles := setupKnownFiles(t, []byte("hello\n"))
// Get us a model up and running
m := setupROFolder()
defer m.Stop()
// Send and index update for the known stuff
m.Index(device1, "ro", knownFiles)
m.updateLocalsFromScanning("ro", knownFiles)
size := m.GlobalSize("ro")
if size.Files != 1 || size.Directories != 1 {
t.Fatalf("Global: expected 1 file and 1 directory: %+v", size)
}
// Start the folder. This will cause a scan, should discover the other stuff in the folder
m.StartFolder("ro")
m.ScanFolder("ro")
// We should now have two files and two directories.
size = m.GlobalSize("ro")
if size.Files != 2 || size.Directories != 2 {
t.Fatalf("Global: expected 2 files and 2 directories: %+v", size)
}
size = m.LocalSize("ro")
if size.Files != 2 || size.Directories != 2 {
t.Fatalf("Local: expected 2 files and 2 directories: %+v", size)
}
size = m.ReceiveOnlyChangedSize("ro")
if size.Files+size.Directories == 0 {
t.Fatalf("ROChanged: expected something: %+v", size)
}
// Revert should delete the unknown stuff
m.Revert("ro")
// These should still exist
for _, p := range []string{"_recvonly/knownDir/knownFile", "_recvonly/ignDir/ignFile"} {
_, err := os.Stat(p)
if err != nil {
t.Error("Unexpected error:", err)
}
}
// These should have been removed
for _, p := range []string{"_recvonly/unknownDir", "_recvonly/unknownDir/unknownFile"} {
_, err := os.Stat(p)
if !os.IsNotExist(err) {
t.Error("Unexpected existing thing:", p)
}
}
// We should now have one file and directory again.
size = m.GlobalSize("ro")
if size.Files != 1 || size.Directories != 1 {
t.Fatalf("Global: expected 1 files and 1 directories: %+v", size)
}
size = m.LocalSize("ro")
if size.Files != 1 || size.Directories != 1 {
t.Fatalf("Local: expected 1 files and 1 directories: %+v", size)
}
}
func TestRecvOnlyRevertNeeds(t *testing.T) {
testOs := &fatalOs{t}
// Make sure that a new file gets picked up and considered latest, then
// gets considered old when we hit Revert.
testOs.RemoveAll("_recvonly")
defer testOs.RemoveAll("_recvonly")
// Create some test data
testOs.MkdirAll("_recvonly/.stfolder", 0755)
oldData := []byte("hello\n")
knownFiles := setupKnownFiles(t, oldData)
// Get us a model up and running
m := setupROFolder()
defer m.Stop()
// Send and index update for the known stuff
m.Index(device1, "ro", knownFiles)
m.updateLocalsFromScanning("ro", knownFiles)
// Start the folder. This will cause a scan.
m.StartFolder("ro")
m.ScanFolder("ro")
// Everything should be in sync.
size := m.GlobalSize("ro")
if size.Files != 1 || size.Directories != 1 {
t.Fatalf("Global: expected 1 file and 1 directory: %+v", size)
}
size = m.LocalSize("ro")
if size.Files != 1 || size.Directories != 1 {
t.Fatalf("Local: expected 1 file and 1 directory: %+v", size)
}
size = m.NeedSize("ro")
if size.Files+size.Directories > 0 {
t.Fatalf("Need: expected nothing: %+v", size)
}
size = m.ReceiveOnlyChangedSize("ro")
if size.Files+size.Directories > 0 {
t.Fatalf("ROChanged: expected nothing: %+v", size)
}
// Update the file.
newData := []byte("totally different data\n")
if err := ioutil.WriteFile("_recvonly/knownDir/knownFile", newData, 0644); err != nil {
t.Fatal(err)
}
// Rescan.
if err := m.ScanFolder("ro"); err != nil {
t.Fatal(err)
}
// We now have a newer file than the rest of the cluster. Global state should reflect this.
size = m.GlobalSize("ro")
const sizeOfDir = 128
if size.Files != 1 || size.Bytes != sizeOfDir+int64(len(oldData)) {
t.Fatalf("Global: expected no change due to the new file: %+v", size)
}
size = m.LocalSize("ro")
if size.Files != 1 || size.Bytes != sizeOfDir+int64(len(newData)) {
t.Fatalf("Local: expected the new file to be reflected: %+v", size)
}
size = m.NeedSize("ro")
if size.Files+size.Directories > 0 {
t.Fatalf("Need: expected nothing: %+v", size)
}
size = m.ReceiveOnlyChangedSize("ro")
if size.Files+size.Directories == 0 {
t.Fatalf("ROChanged: expected something: %+v", size)
}
// We hit the Revert button. The file that was new should become old.
m.Revert("ro")
size = m.GlobalSize("ro")
if size.Files != 1 || size.Bytes != sizeOfDir+int64(len(oldData)) {
t.Fatalf("Global: expected the global size to revert: %+v", size)
}
size = m.LocalSize("ro")
if size.Files != 1 || size.Bytes != sizeOfDir+int64(len(newData)) {
t.Fatalf("Local: expected the local size to remain: %+v", size)
}
size = m.NeedSize("ro")
if size.Files != 1 || size.Bytes != int64(len(oldData)) {
t.Fatalf("Local: expected to need the old file data: %+v", size)
}
}
func TestRecvOnlyUndoChanges(t *testing.T) {
testOs := &fatalOs{t}
testOs.RemoveAll("_recvonly")
defer testOs.RemoveAll("_recvonly")
// Create some test data
testOs.MkdirAll("_recvonly/.stfolder", 0755)
oldData := []byte("hello\n")
knownFiles := setupKnownFiles(t, oldData)
// Get us a model up and running
m := setupROFolder()
defer m.Stop()
m.fmut.Lock()
fset := m.folderFiles["ro"]
m.fmut.Unlock()
folderFs := fset.MtimeFS()
// Send and index update for the known stuff
m.Index(device1, "ro", knownFiles)
m.updateLocalsFromScanning("ro", knownFiles)
// Start the folder. This will cause a scan.
m.StartFolder("ro")
m.ScanFolder("ro")
// Everything should be in sync.
size := m.GlobalSize("ro")
if size.Files != 1 || size.Directories != 1 {
t.Fatalf("Global: expected 1 file and 1 directory: %+v", size)
}
size = m.LocalSize("ro")
if size.Files != 1 || size.Directories != 1 {
t.Fatalf("Local: expected 1 file and 1 directory: %+v", size)
}
size = m.NeedSize("ro")
if size.Files+size.Directories > 0 {
t.Fatalf("Need: expected nothing: %+v", size)
}
size = m.ReceiveOnlyChangedSize("ro")
if size.Files+size.Directories > 0 {
t.Fatalf("ROChanged: expected nothing: %+v", size)
}
// Create a file and modify another
file := "_recvonly/foo"
if err := ioutil.WriteFile(file, []byte("hello\n"), 0644); err != nil {
t.Fatal(err)
}
if err := ioutil.WriteFile("_recvonly/knownDir/knownFile", []byte("bye\n"), 0644); err != nil {
t.Fatal(err)
}
m.ScanFolder("ro")
size = m.ReceiveOnlyChangedSize("ro")
if size.Files != 2 {
t.Fatalf("Receive only: expected 2 files: %+v", size)
}
// Remove the file again and undo the modification
testOs.Remove(file)
if err := ioutil.WriteFile("_recvonly/knownDir/knownFile", oldData, 0644); err != nil {
t.Fatal(err)
}
folderFs.Chtimes("knownDir/knownFile", knownFiles[1].ModTime(), knownFiles[1].ModTime())
m.ScanFolder("ro")
size = m.ReceiveOnlyChangedSize("ro")
if size.Files+size.Directories+size.Deleted != 0 {
t.Fatalf("Receive only: expected all zero: %+v", size)
}
}
func setupKnownFiles(t *testing.T, data []byte) []protocol.FileInfo {
testOs := &fatalOs{t}
testOs.MkdirAll("_recvonly/knownDir", 0755)
if err := ioutil.WriteFile("_recvonly/knownDir/knownFile", data, 0644); err != nil {
t.Fatal(err)
}
t0 := time.Now().Add(-1 * time.Minute)
testOs.Chtimes("_recvonly/knownDir/knownFile", t0, t0)
fi := testOs.Stat("_recvonly/knownDir/knownFile")
blocks, _ := scanner.Blocks(context.TODO(), bytes.NewReader(data), protocol.BlockSize(int64(len(data))), int64(len(data)), nil, true)
knownFiles := []protocol.FileInfo{
{
Name: "knownDir",
Type: protocol.FileInfoTypeDirectory,
Permissions: 0755,
Version: protocol.Vector{Counters: []protocol.Counter{{ID: 42, Value: 42}}},
Sequence: 42,
},
{
Name: "knownDir/knownFile",
Type: protocol.FileInfoTypeFile,
Permissions: 0644,
Size: fi.Size(),
ModifiedS: fi.ModTime().Unix(),
ModifiedNs: int32(fi.ModTime().UnixNano() % 1e9),
Version: protocol.Vector{Counters: []protocol.Counter{{ID: 42, Value: 42}}},
Sequence: 42,
Blocks: blocks,
},
}
return knownFiles
}
func setupROFolder() *Model {
fcfg := config.NewFolderConfiguration(myID, "ro", "receive only test", fs.FilesystemTypeBasic, "_recvonly")
fcfg.Type = config.FolderTypeReceiveOnly
fcfg.Devices = []config.FolderDeviceConfiguration{{DeviceID: device1}}
fcfg.FSWatcherEnabled = false
fcfg.RescanIntervalS = 86400
cfg := defaultCfg.Copy()
cfg.Folders = append(cfg.Folders, fcfg)
wrp := createTmpWrapper(cfg)
db := db.OpenMemory()
m := NewModel(wrp, myID, "syncthing", "dev", db, nil)
m.ServeBackground()
m.AddFolder(fcfg)
return m
}