syncthing/test/symlink_test.go

363 lines
6.7 KiB
Go

// Copyright (C) 2014 The Syncthing Authors.
//
// This program is free software: you can redistribute it and/or modify it
// under the terms of the GNU General Public License as published by the Free
// Software Foundation, either version 3 of the License, or (at your option)
// any later version.
//
// This program 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 General Public License for
// more details.
//
// You should have received a copy of the GNU General Public License along
// with this program. If not, see <http://www.gnu.org/licenses/>.
// +build integration
package integration
import (
"io/ioutil"
"log"
"os"
"path/filepath"
"testing"
"time"
"github.com/syncthing/syncthing/internal/config"
"github.com/syncthing/syncthing/internal/protocol"
"github.com/syncthing/syncthing/internal/symlinks"
)
func symlinksSupported() bool {
tmp, err := ioutil.TempDir("", "symlink-test")
if err != nil {
return false
}
defer os.RemoveAll(tmp)
err = os.Symlink("tmp", filepath.Join(tmp, "link"))
return err == nil
}
func TestSymlinks(t *testing.T) {
if !symlinksSupported() {
t.Skip("symlinks unsupported")
}
// Use no versioning
id, _ := protocol.DeviceIDFromString(id2)
cfg, _ := config.Load("h2/config.xml", id)
fld := cfg.Folders()["default"]
fld.Versioning = config.VersioningConfiguration{}
cfg.SetFolder(fld)
cfg.Save()
testSymlinks(t)
}
func TestSymlinksSimpleVersioning(t *testing.T) {
if !symlinksSupported() {
t.Skip("symlinks unsupported")
}
// Use simple versioning
id, _ := protocol.DeviceIDFromString(id2)
cfg, _ := config.Load("h2/config.xml", id)
fld := cfg.Folders()["default"]
fld.Versioning = config.VersioningConfiguration{
Type: "simple",
Params: map[string]string{"keep": "5"},
}
cfg.SetFolder(fld)
cfg.Save()
testSymlinks(t)
}
func TestSymlinksStaggeredVersioning(t *testing.T) {
if !symlinksSupported() {
t.Skip("symlinks unsupported")
}
// Use staggered versioning
id, _ := protocol.DeviceIDFromString(id2)
cfg, _ := config.Load("h2/config.xml", id)
fld := cfg.Folders()["default"]
fld.Versioning = config.VersioningConfiguration{
Type: "staggered",
}
cfg.SetFolder(fld)
cfg.Save()
testSymlinks(t)
}
func testSymlinks(t *testing.T) {
log.Println("Cleaning...")
err := removeAll("s1", "s2", "h1/index", "h2/index")
if err != nil {
t.Fatal(err)
}
log.Println("Generating files...")
err = generateFiles("s1", 100, 20, "../LICENSE")
if err != nil {
t.Fatal(err)
}
// A file that we will replace with a symlink later
fd, err := os.Create("s1/fileToReplace")
if err != nil {
t.Fatal(err)
}
fd.Close()
// A directory that we will replace with a symlink later
err = os.Mkdir("s1/dirToReplace", 0755)
if err != nil {
t.Fatal(err)
}
// A file and a symlink to that file
fd, err = os.Create("s1/file")
if err != nil {
t.Fatal(err)
}
fd.Close()
err = symlinks.Create("s1/fileLink", "file", 0)
if err != nil {
log.Fatal(err)
}
// A directory and a symlink to that directory
err = os.Mkdir("s1/dir", 0755)
if err != nil {
t.Fatal(err)
}
err = symlinks.Create("s1/dirLink", "dir", 0)
if err != nil {
log.Fatal(err)
}
// A link to something in the repo that does not exist
err = symlinks.Create("s1/noneLink", "does/not/exist", 0)
if err != nil {
log.Fatal(err)
}
// A link we will replace with a file later
err = symlinks.Create("s1/repFileLink", "does/not/exist", 0)
if err != nil {
log.Fatal(err)
}
// A link we will replace with a directory later
err = symlinks.Create("s1/repDirLink", "does/not/exist", 0)
if err != nil {
log.Fatal(err)
}
// A link we will remove later
err = symlinks.Create("s1/removeLink", "does/not/exist", 0)
if err != nil {
log.Fatal(err)
}
// Verify that the files and symlinks sync to the other side
log.Println("Syncing...")
sender := syncthingProcess{ // id1
instance: "1",
argv: []string{"-home", "h1"},
port: 8081,
apiKey: apiKey,
}
err = sender.start()
if err != nil {
t.Fatal(err)
}
receiver := syncthingProcess{ // id2
instance: "2",
argv: []string{"-home", "h2"},
port: 8082,
apiKey: apiKey,
}
err = receiver.start()
if err != nil {
_ = sender.stop()
t.Fatal(err)
}
for {
comp, err := sender.peerCompletion()
if err != nil {
if isTimeout(err) {
time.Sleep(time.Second)
continue
}
_ = sender.stop()
_ = receiver.stop()
t.Fatal(err)
}
curComp := comp[id2]
if curComp == 100 {
break
}
time.Sleep(time.Second)
}
err = sender.stop()
if err != nil {
t.Fatal(err)
}
err = receiver.stop()
if err != nil {
t.Fatal(err)
}
log.Println("Comparing directories...")
err = compareDirectories("s1", "s2")
if err != nil {
t.Fatal(err)
}
log.Println("Making some changes...")
// Remove one symlink
err = os.Remove("s1/fileLink")
if err != nil {
log.Fatal(err)
}
// Change the target of another
err = os.Remove("s1/dirLink")
if err != nil {
log.Fatal(err)
}
err = symlinks.Create("s1/dirLink", "file", 0)
if err != nil {
log.Fatal(err)
}
// Replace one with a file
err = os.Remove("s1/repFileLink")
if err != nil {
log.Fatal(err)
}
fd, err = os.Create("s1/repFileLink")
if err != nil {
log.Fatal(err)
}
fd.Close()
// Replace one with a directory
err = os.Remove("s1/repDirLink")
if err != nil {
log.Fatal(err)
}
err = os.Mkdir("s1/repDirLink", 0755)
if err != nil {
log.Fatal(err)
}
// Replace a file with a symlink
err = os.Remove("s1/fileToReplace")
if err != nil {
log.Fatal(err)
}
err = symlinks.Create("s1/fileToReplace", "somewhere/non/existent", 0)
if err != nil {
log.Fatal(err)
}
// Replace a directory with a symlink
err = os.RemoveAll("s1/dirToReplace")
if err != nil {
log.Fatal(err)
}
err = symlinks.Create("s1/dirToReplace", "somewhere/non/existent", 0)
if err != nil {
log.Fatal(err)
}
// Remove a broken symlink
err = os.Remove("s1/removeLink")
if err != nil {
log.Fatal(err)
}
// Sync these changes and recheck
log.Println("Syncing...")
err = sender.start()
if err != nil {
t.Fatal(err)
}
err = receiver.start()
if err != nil {
_ = sender.stop()
t.Fatal(err)
}
for {
comp, err := sender.peerCompletion()
if err != nil {
if isTimeout(err) {
time.Sleep(time.Second)
continue
}
_ = sender.stop()
_ = receiver.stop()
t.Fatal(err)
}
curComp := comp[id2]
if curComp == 100 {
break
}
time.Sleep(time.Second)
}
err = sender.stop()
if err != nil {
t.Fatal(err)
}
err = receiver.stop()
if err != nil {
t.Fatal(err)
}
log.Println("Comparing directories...")
err = compareDirectories("s1", "s2")
if err != nil {
t.Fatal(err)
}
}