rclone/fstest/fstests/fstests.go
Nick Craig-Wood a96b522958 Implement server side copies if possible - fixes #99
Add optional fs.Copier interface

Implemented for
  * swift
  * s3
  * drive
  * dropbox
  * google cloud storage
2015-08-23 21:18:38 +01:00

487 lines
11 KiB
Go

// Generic tests for testing the Fs and Object interfaces
//
// Run go generate to write the tests for the remotes
//go:generate go run gen_tests.go
package fstests
import (
"bytes"
"crypto/md5"
"encoding/hex"
"flag"
"io"
"log"
"os"
"strings"
"testing"
"time"
"github.com/ncw/rclone/fs"
"github.com/ncw/rclone/fstest"
)
var (
remote fs.Fs
RemoteName = ""
subRemoteName = ""
subRemoteLeaf = ""
NilObject fs.Object
file1 = fstest.Item{
ModTime: fstest.Time("2001-02-03T04:05:06.499999999Z"),
Path: "file name.txt",
}
file2 = fstest.Item{
ModTime: fstest.Time("2001-02-03T04:05:10.123123123Z"),
Path: `hello? sausage/êé/Hello, 世界/ " ' @ < > & ?/z.txt`,
}
)
func init() {
flag.StringVar(&RemoteName, "remote", "", "Set this to override the default remote name (eg s3:)")
}
func TestInit(t *testing.T) {
var err error
fs.LoadConfig()
fs.Config.Verbose = false
fs.Config.Quiet = true
t.Logf("Using remote %q", RemoteName)
if RemoteName == "" {
RemoteName, err = fstest.LocalRemote()
if err != nil {
log.Fatalf("Failed to create tmp dir: %v", err)
}
}
subRemoteName, subRemoteLeaf, err = fstest.RandomRemoteName(RemoteName)
if err != nil {
t.Fatalf("Couldn't make remote name: %v", err)
}
remote, err = fs.NewFs(subRemoteName)
if err == fs.NotFoundInConfigFile {
log.Printf("Didn't find %q in config file - skipping tests", RemoteName)
return
}
if err != nil {
t.Fatalf("Couldn't start FS: %v", err)
}
fstest.TestMkdir(t, remote)
}
func skipIfNotOk(t *testing.T) {
if remote == nil {
t.Skip("FS not configured")
}
}
// String returns a description of the FS
func TestFsString(t *testing.T) {
skipIfNotOk(t)
str := remote.String()
if str == "" {
t.Fatal("Bad fs.String()")
}
}
type TestFile struct {
ModTime time.Time
Path string
Size int64
Md5sum string
}
func TestFsRmdirEmpty(t *testing.T) {
skipIfNotOk(t)
fstest.TestRmdir(t, remote)
}
func TestFsRmdirNotFound(t *testing.T) {
skipIfNotOk(t)
err := remote.Rmdir()
if err == nil {
t.Fatalf("Expecting error on Rmdir non existent")
}
}
func TestFsMkdir(t *testing.T) {
skipIfNotOk(t)
fstest.TestMkdir(t, remote)
fstest.TestMkdir(t, remote)
}
func TestFsListEmpty(t *testing.T) {
skipIfNotOk(t)
fstest.CheckListing(t, remote, []fstest.Item{})
}
func TestFsListDirEmpty(t *testing.T) {
skipIfNotOk(t)
for obj := range remote.ListDir() {
t.Errorf("Found unexpected item %q", obj.Name)
}
}
func TestFsNewFsObjectNotFound(t *testing.T) {
skipIfNotOk(t)
if remote.NewFsObject("potato") != nil {
t.Fatal("Didn't expect to find object")
}
}
func findObject(t *testing.T, Name string) fs.Object {
obj := remote.NewFsObject(Name)
if obj == nil {
t.Fatalf("Object not found: %q", Name)
}
return obj
}
func testPut(t *testing.T, file *fstest.Item) {
buf := bytes.NewBufferString(fstest.RandomString(100))
hash := md5.New()
in := io.TeeReader(buf, hash)
file.Size = int64(buf.Len())
obj, err := remote.Put(in, file.Path, file.ModTime, file.Size)
if err != nil {
t.Fatal("Put error", err)
}
file.Md5sum = hex.EncodeToString(hash.Sum(nil))
file.Check(t, obj, remote.Precision())
// Re-read the object and check again
obj = findObject(t, file.Path)
file.Check(t, obj, remote.Precision())
}
func TestFsPutFile1(t *testing.T) {
skipIfNotOk(t)
testPut(t, &file1)
}
func TestFsPutFile2(t *testing.T) {
skipIfNotOk(t)
testPut(t, &file2)
}
func TestFsListDirFile2(t *testing.T) {
skipIfNotOk(t)
found := false
for obj := range remote.ListDir() {
if obj.Name != `hello? sausage` {
t.Errorf("Found unexpected item %q", obj.Name)
} else {
found = true
}
}
if !found {
t.Errorf("Didn't find %q", `hello? sausage`)
}
}
func TestFsListDirRoot(t *testing.T) {
skipIfNotOk(t)
rootRemote, err := fs.NewFs(RemoteName)
if err != nil {
t.Fatalf("Failed to make remote %q: %v", RemoteName, err)
}
found := false
for obj := range rootRemote.ListDir() {
if obj.Name == subRemoteLeaf {
found = true
}
}
if !found {
t.Errorf("Didn't find %q", subRemoteLeaf)
}
}
func TestFsListRoot(t *testing.T) {
skipIfNotOk(t)
rootRemote, err := fs.NewFs(RemoteName)
if err != nil {
t.Fatalf("Failed to make remote %q: %v", RemoteName, err)
}
// Should either find file1 and file2 or nothing
found1 := false
file1 := subRemoteLeaf + "/" + file1.Path
found2 := false
file2 := subRemoteLeaf + "/" + file2.Path
count := 0
errors := fs.Stats.GetErrors()
for obj := range rootRemote.List() {
count++
if obj.Remote() == file1 {
found1 = true
}
if obj.Remote() == file2 {
found2 = true
}
}
errors -= fs.Stats.GetErrors()
if count == 0 {
if errors == 0 {
t.Error("Expecting error if count==0")
}
return
}
if found1 && found2 {
if errors != 0 {
t.Error("Not expecting error if found")
}
return
}
t.Errorf("Didn't find %q (%v) and %q (%v) or no files (count %d)", file1, found1, file2, found2, count)
}
func TestFsListFile1(t *testing.T) {
skipIfNotOk(t)
fstest.CheckListing(t, remote, []fstest.Item{file1, file2})
}
func TestFsNewFsObject(t *testing.T) {
skipIfNotOk(t)
obj := findObject(t, file1.Path)
file1.Check(t, obj, remote.Precision())
}
func TestFsListFile1and2(t *testing.T) {
skipIfNotOk(t)
fstest.CheckListing(t, remote, []fstest.Item{file1, file2})
}
func TestFsCopy(t *testing.T) {
skipIfNotOk(t)
// Check have Copy
_, ok := remote.(fs.Copier)
if !ok {
t.Skip("FS has no Copier interface")
}
var file1Copy = file1
file1Copy.Path += "-copy"
// do the copy
src := findObject(t, file1.Path)
dst, err := remote.(fs.Copier).Copy(src, file1Copy.Path)
if err != nil {
t.Errorf("Copy failed: %v", err)
}
// check file exists in new listing
fstest.CheckListing(t, remote, []fstest.Item{file1, file2, file1Copy})
// Check dst lightly - list above has checked ModTime/Md5sum
if dst.Remote() != file1Copy.Path {
t.Errorf("object path: want %q got %q", file1Copy.Path, dst.Remote())
}
// Delete copy
err = dst.Remove()
if err != nil {
t.Fatal("Remove copy error", err)
}
}
func TestFsRmdirFull(t *testing.T) {
skipIfNotOk(t)
err := remote.Rmdir()
if err == nil {
t.Fatalf("Expecting error on RMdir on non empty remote")
}
}
func TestFsPrecision(t *testing.T) {
skipIfNotOk(t)
precision := remote.Precision()
if precision == fs.ModTimeNotSupported {
return
}
if precision > time.Second || precision < 0 {
t.Fatalf("Precision out of range %v", precision)
}
// FIXME check expected precision
}
func TestObjectString(t *testing.T) {
skipIfNotOk(t)
obj := findObject(t, file1.Path)
s := obj.String()
if s != file1.Path {
t.Errorf("String() wrong %v != %v", s, file1.Path)
}
obj = NilObject
s = obj.String()
if s != "<nil>" {
t.Errorf("String() wrong %v != %v", s, "<nil>")
}
}
func TestObjectFs(t *testing.T) {
skipIfNotOk(t)
obj := findObject(t, file1.Path)
if obj.Fs() != remote {
t.Errorf("Fs is wrong %v != %v", obj.Fs(), remote)
}
}
func TestObjectRemote(t *testing.T) {
skipIfNotOk(t)
obj := findObject(t, file1.Path)
if obj.Remote() != file1.Path {
t.Errorf("Remote is wrong %v != %v", obj.Remote(), file1.Path)
}
}
func TestObjectMd5sum(t *testing.T) {
skipIfNotOk(t)
obj := findObject(t, file1.Path)
Md5sum, err := obj.Md5sum()
if err != nil {
t.Errorf("Error in Md5sum: %v", err)
}
if !fs.Md5sumsEqual(Md5sum, file1.Md5sum) {
t.Errorf("Md5sum is wrong %v != %v", Md5sum, file1.Md5sum)
}
}
func TestObjectModTime(t *testing.T) {
skipIfNotOk(t)
obj := findObject(t, file1.Path)
file1.CheckModTime(t, obj, obj.ModTime(), remote.Precision())
}
func TestObjectSetModTime(t *testing.T) {
skipIfNotOk(t)
newModTime := fstest.Time("2011-12-13T14:15:16.999999999Z")
obj := findObject(t, file1.Path)
obj.SetModTime(newModTime)
file1.ModTime = newModTime
file1.CheckModTime(t, obj, obj.ModTime(), remote.Precision())
// And make a new object and read it from there too
TestObjectModTime(t)
}
func TestObjectSize(t *testing.T) {
skipIfNotOk(t)
obj := findObject(t, file1.Path)
if obj.Size() != file1.Size {
t.Errorf("Size is wrong %v != %v", obj.Size(), file1.Size)
}
}
func TestObjectOpen(t *testing.T) {
skipIfNotOk(t)
obj := findObject(t, file1.Path)
in, err := obj.Open()
if err != nil {
t.Fatalf("Open() return error: %v", err)
}
hash := md5.New()
n, err := io.Copy(hash, in)
if err != nil {
t.Fatalf("io.Copy() return error: %v", err)
}
if n != file1.Size {
t.Fatalf("Read wrong number of bytes %d != %d", n, file1.Size)
}
err = in.Close()
if err != nil {
t.Fatalf("in.Close() return error: %v", err)
}
Md5sum := hex.EncodeToString(hash.Sum(nil))
if !fs.Md5sumsEqual(Md5sum, file1.Md5sum) {
t.Errorf("Md5sum is wrong %v != %v", Md5sum, file1.Md5sum)
}
}
func TestObjectUpdate(t *testing.T) {
skipIfNotOk(t)
buf := bytes.NewBufferString(fstest.RandomString(200))
hash := md5.New()
in := io.TeeReader(buf, hash)
file1.Size = int64(buf.Len())
obj := findObject(t, file1.Path)
err := obj.Update(in, file1.ModTime, file1.Size)
if err != nil {
t.Fatal("Update error", err)
}
file1.Md5sum = hex.EncodeToString(hash.Sum(nil))
file1.Check(t, obj, remote.Precision())
// Re-read the object and check again
obj = findObject(t, file1.Path)
file1.Check(t, obj, remote.Precision())
}
func TestObjectStorable(t *testing.T) {
skipIfNotOk(t)
obj := findObject(t, file1.Path)
if !obj.Storable() {
t.Fatalf("Expecting %v to be storable", obj)
}
}
func TestLimitedFs(t *testing.T) {
skipIfNotOk(t)
remoteName := subRemoteName + "/" + file2.Path
file2Copy := file2
file2Copy.Path = "z.txt"
fileRemote, err := fs.NewFs(remoteName)
if err != nil {
t.Fatalf("Failed to make remote %q: %v", remoteName, err)
}
fstest.CheckListing(t, fileRemote, []fstest.Item{file2Copy})
_, ok := fileRemote.(*fs.Limited)
if !ok {
t.Errorf("%v is not a fs.Limited", fileRemote)
}
}
func TestLimitedFsNotFound(t *testing.T) {
skipIfNotOk(t)
remoteName := subRemoteName + "/not found.txt"
fileRemote, err := fs.NewFs(remoteName)
if err != nil {
t.Fatalf("Failed to make remote %q: %v", remoteName, err)
}
fstest.CheckListing(t, fileRemote, []fstest.Item{})
_, ok := fileRemote.(*fs.Limited)
if ok {
t.Errorf("%v is is a fs.Limited", fileRemote)
}
}
func TestObjectRemove(t *testing.T) {
skipIfNotOk(t)
obj := findObject(t, file1.Path)
err := obj.Remove()
if err != nil {
t.Fatal("Remove error", err)
}
fstest.CheckListing(t, remote, []fstest.Item{file2})
}
func TestObjectPurge(t *testing.T) {
skipIfNotOk(t)
fstest.TestPurge(t, remote)
err := fs.Purge(remote)
if err == nil {
t.Fatal("Expecting error after on second purge")
}
}
func TestFinalise(t *testing.T) {
skipIfNotOk(t)
if strings.HasPrefix(RemoteName, "/") {
// Remove temp directory
err := os.Remove(RemoteName)
if err != nil {
log.Printf("Failed to remove %q: %v\n", RemoteName, err)
}
}
}