rclone/rclonetest/rclonetest.go
2014-04-24 17:59:05 +01:00

335 lines
7.7 KiB
Go

// Test rclone by doing real transactions to a storage provider to and
// from the local disk
package main
import (
"fmt"
"io/ioutil"
"log"
"math/rand"
"os"
"path"
"strings"
"time"
"github.com/ncw/rclone/fs"
"github.com/ogier/pflag"
// Active file systems
_ "github.com/ncw/rclone/drive"
_ "github.com/ncw/rclone/local"
_ "github.com/ncw/rclone/s3"
_ "github.com/ncw/rclone/swift"
)
// Globals
var (
localName, remoteName string
version = pflag.BoolP("version", "V", false, "Print the version number")
)
// Represents an item for checking
type Item struct {
Path string
Md5sum string
ModTime time.Time
Size int64
}
// Represents all items for checking
type Items struct {
byName map[string]*Item
items []Item
}
// Make an Items
func NewItems(items []Item) *Items {
is := &Items{
byName: make(map[string]*Item),
items: items,
}
// Fill up byName
for i := range items {
is.byName[items[i].Path] = &items[i]
}
return is
}
// Check off an item
func (is *Items) Find(obj fs.Object) {
i, ok := is.byName[obj.Remote()]
if !ok {
log.Fatalf("Unexpected file %q", obj.Remote())
}
delete(is.byName, obj.Remote())
// Check attributes
Md5sum, err := obj.Md5sum()
if err != nil {
log.Fatalf("Failed to read md5sum for %q: %v", obj.Remote(), err)
}
if i.Md5sum != Md5sum {
log.Fatalf("%s: Md5sum incorrect - expecting %q got %q", obj.Remote(), i.Md5sum, Md5sum)
}
if i.Size != obj.Size() {
log.Fatalf("%s: Size incorrect - expecting %d got %d", obj.Remote(), i.Size, obj.Size())
}
// check the mod time to the given precision
modTime := obj.ModTime()
dt := modTime.Sub(i.ModTime)
if dt >= fs.Config.ModifyWindow || dt <= -fs.Config.ModifyWindow {
log.Fatalf("%s: Modification time difference too big |%s| > %s (%s vs %s)", obj.Remote(), dt, fs.Config.ModifyWindow, modTime, i.ModTime)
}
}
// Check all done
func (is *Items) Done() {
if len(is.byName) != 0 {
for name := range is.byName {
log.Printf("Not found %q", name)
}
log.Fatalf("%d objects not found", len(is.byName))
}
}
// Checks the fs to see if it has the expected contents
func CheckListing(f fs.Fs, items []Item) {
is := NewItems(items)
for obj := range f.List() {
is.Find(obj)
}
is.Done()
}
// Parse a time string or explode
func Time(timeString string) time.Time {
t, err := time.Parse(time.RFC3339Nano, timeString)
if err != nil {
log.Fatalf("Failed to parse time %q: %v", timeString, err)
}
return t
}
// Write a file
func WriteFile(filePath, content string, t time.Time) {
// FIXME make directories?
filePath = path.Join(localName, filePath)
err := ioutil.WriteFile(filePath, []byte(content), 0600)
if err != nil {
log.Fatalf("Failed to write file %q: %v", filePath, err)
}
err = os.Chtimes(filePath, t, t)
if err != nil {
log.Fatalf("Failed to chtimes file %q: %v", filePath, err)
}
}
// Create a random string
func RandomString(n int) string {
source := "abcdefghijklmnopqrstuvwxyz0123456789"
out := make([]byte, n)
for i := range out {
out[i] = source[rand.Intn(len(source))]
}
return string(out)
}
func TestMkdir(flocal, fremote fs.Fs) {
err := fs.Mkdir(fremote)
if err != nil {
log.Fatalf("Mkdir failed: %v", err)
}
items := []Item{}
CheckListing(flocal, items)
CheckListing(fremote, items)
}
var t1 = Time("2001-02-03T04:05:06.999999999Z")
var t2 = Time("2011-12-25T12:59:59.123456789Z")
func TestCopy(flocal, fremote fs.Fs) {
WriteFile("empty", "", t1)
err := fs.Sync(fremote, flocal, false)
if err != nil {
log.Fatalf("Copy failed: %v", err)
}
items := []Item{
{Path: "empty", Size: 0, ModTime: t1, Md5sum: "d41d8cd98f00b204e9800998ecf8427e"},
}
CheckListing(flocal, items)
CheckListing(fremote, items)
}
func TestSync(flocal, fremote fs.Fs) {
log.Printf("Sync after changing file modtime only")
err := os.Chtimes(localName+"/empty", t2, t2)
if err != nil {
log.Fatalf("Chtimes failed: %v", err)
}
err = fs.Sync(fremote, flocal, true)
if err != nil {
log.Fatalf("Sync failed: %v", err)
}
items := []Item{
{Path: "empty", Size: 0, ModTime: t2, Md5sum: "d41d8cd98f00b204e9800998ecf8427e"},
}
CheckListing(flocal, items)
CheckListing(fremote, items)
// ------------------------------------------------------------
log.Printf("Sync after adding a file")
WriteFile("potato", "------------------------------------------------------------", t1)
err = fs.Sync(fremote, flocal, true)
if err != nil {
log.Fatalf("Sync failed: %v", err)
}
items = []Item{
{Path: "empty", Size: 0, ModTime: t2, Md5sum: "d41d8cd98f00b204e9800998ecf8427e"},
{Path: "potato", Size: 60, ModTime: t1, Md5sum: "d6548b156ea68a4e003e786df99eee76"},
}
CheckListing(flocal, items)
CheckListing(fremote, items)
// ------------------------------------------------------------
log.Printf("Sync after changing a file's size only")
WriteFile("potato", "smaller but same date", t1)
err = fs.Sync(fremote, flocal, true)
if err != nil {
log.Fatalf("Sync failed: %v", err)
}
items = []Item{
{Path: "empty", Size: 0, ModTime: t2, Md5sum: "d41d8cd98f00b204e9800998ecf8427e"},
{Path: "potato", Size: 21, ModTime: t1, Md5sum: "100defcf18c42a1e0dc42a789b107cd2"},
}
CheckListing(flocal, items)
CheckListing(fremote, items)
// ------------------------------------------------------------
log.Printf("Sync after removing a file")
err = os.Remove(localName + "/potato")
if err != nil {
log.Fatalf("Remove failed: %v", err)
}
err = fs.Sync(fremote, flocal, true)
if err != nil {
log.Fatalf("Sync failed: %v", err)
}
items = []Item{
{Path: "empty", Size: 0, ModTime: t2, Md5sum: "d41d8cd98f00b204e9800998ecf8427e"},
}
CheckListing(flocal, items)
CheckListing(fremote, items)
}
func TestLs(flocal, fremote fs.Fs) {
// Underlying List has been tested above, so we just make sure it runs
err := fs.List(fremote)
if err != nil {
log.Fatalf("List failed: %v", err)
}
}
func TestLsd(flocal, fremote fs.Fs) {
}
func TestCheck(flocal, fremote fs.Fs) {
}
func TestPurge(flocal, fremote fs.Fs) {
err := fs.Purge(fremote)
if err != nil {
log.Fatalf("Purge failed: %v", err)
}
}
func TestRmdir(flocal, fremote fs.Fs) {
err := fs.Rmdir(fremote)
if err != nil {
log.Fatalf("Rmdir failed: %v", err)
}
}
func syntaxError() {
fmt.Fprintf(os.Stderr, `Test rclone with a remote to find bugs in either - %s.
Syntax: [options] remote:
Need a remote: as argument. This will create a random container or
directory under it and perform tests on it, deleting it at the end.
Options:
`, Version)
pflag.PrintDefaults()
}
// Clean the temporary directory
func cleanTempDir() {
log.Printf("Cleaning temporary directory: %q", localName)
err := os.RemoveAll(localName)
if err != nil {
log.Printf("Failed to remove %q: %v", localName, err)
}
}
func main() {
pflag.Usage = syntaxError
pflag.Parse()
if *version {
fmt.Printf("rclonetest %s\n", Version)
os.Exit(0)
}
fs.LoadConfig()
rand.Seed(time.Now().UnixNano())
args := pflag.Args()
if len(args) != 1 {
syntaxError()
os.Exit(1)
}
remoteName = args[0]
if !strings.HasSuffix(remoteName, ":") {
remoteName += "/"
}
remoteName += RandomString(32)
log.Printf("Testing with remote %q", remoteName)
var err error
localName, err = ioutil.TempDir("", "rclone")
if err != nil {
log.Fatalf("Failed to create temp dir: %v", err)
}
log.Printf("Testing with local %q", localName)
fremote, err := fs.NewFs(remoteName)
if err != nil {
log.Fatalf("Failed to make %q: %v", remoteName, err)
}
flocal, err := fs.NewFs(localName)
if err != nil {
log.Fatalf("Failed to make %q: %v", remoteName, err)
}
fs.CalculateModifyWindow(fremote, flocal)
TestMkdir(flocal, fremote)
TestCopy(flocal, fremote)
TestSync(flocal, fremote)
TestLs(flocal, fremote)
TestLsd(flocal, fremote)
TestCheck(flocal, fremote)
TestPurge(flocal, fremote)
//TestRmdir(flocal, fremote)
cleanTempDir()
log.Printf("Tests OK")
}