rclone/fstest/fstests/fstests.go
2016-06-30 15:45:30 +01:00

598 lines
16 KiB
Go

// Package fstests provides generic tests for testing the Fs and Object interfaces
//
// Run go generate to write the tests for the remotes
package fstests
//go:generate go run gen_tests.go
import (
"bytes"
"flag"
"io"
"os"
"path"
"runtime"
"sort"
"strings"
"testing"
"time"
"github.com/ncw/rclone/fs"
"github.com/ncw/rclone/fstest"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
var (
remote fs.Fs
// RemoteName should be set to the name of the remote for testing
RemoteName = ""
subRemoteName = ""
subRemoteLeaf = ""
// NilObject should be set to a nil Object from the Fs under test
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`,
WinPath: `hello_ sausage/êé/Hello, 世界/ _ ' @ _ _ & _/z.txt`,
}
verbose = flag.Bool("verbose", false, "Set to enable logging")
dumpHeaders = flag.Bool("dump-headers", false, "Dump HTTP headers - may contain sensitive info")
dumpBodies = flag.Bool("dump-bodies", false, "Dump HTTP headers and bodies - may contain sensitive info")
)
const eventualConsistencyRetries = 10
func init() {
flag.StringVar(&RemoteName, "remote", "", "Set this to override the default remote name (eg s3:)")
}
// TestInit tests basic intitialisation
func TestInit(t *testing.T) {
var err error
// Never ask for passwords, fail instead.
// If your local config is encrypted set environment variable
// "RCLONE_CONFIG_PASS=hunter2" (or your password)
*fs.AskPassword = false
fs.LoadConfig()
fs.Config.Verbose = *verbose
fs.Config.Quiet = !*verbose
fs.Config.DumpHeaders = *dumpHeaders
fs.Config.DumpBodies = *dumpBodies
t.Logf("Using remote %q", RemoteName)
if RemoteName == "" {
RemoteName, err = fstest.LocalRemote()
require.NoError(t, err)
}
subRemoteName, subRemoteLeaf, err = fstest.RandomRemoteName(RemoteName)
require.NoError(t, err)
remote, err = fs.NewFs(subRemoteName)
if err == fs.ErrorNotFoundInConfigFile {
t.Logf("Didn't find %q in config file - skipping tests", RemoteName)
return
}
require.NoError(t, err)
fstest.TestMkdir(t, remote)
}
func skipIfNotOk(t *testing.T) {
if remote == nil {
t.Skip("FS not configured")
}
}
// TestFsString tests the String method
func TestFsString(t *testing.T) {
skipIfNotOk(t)
str := remote.String()
require.NotEqual(t, str, "")
}
// TestFsRmdirEmpty tests deleting an empty directory
func TestFsRmdirEmpty(t *testing.T) {
skipIfNotOk(t)
fstest.TestRmdir(t, remote)
}
// TestFsRmdirNotFound tests deleting a non existent directory
func TestFsRmdirNotFound(t *testing.T) {
skipIfNotOk(t)
err := remote.Rmdir()
assert.Error(t, err, "Expecting error on Rmdir non existent")
}
// TestFsMkdir tests tests making a directory
func TestFsMkdir(t *testing.T) {
skipIfNotOk(t)
fstest.TestMkdir(t, remote)
fstest.TestMkdir(t, remote)
}
// TestFsListEmpty tests listing an empty directory
func TestFsListEmpty(t *testing.T) {
skipIfNotOk(t)
fstest.CheckListing(t, remote, []fstest.Item{})
}
// winPath converts a path into a windows safe path
func winPath(s string) string {
s = strings.Replace(s, "?", "_", -1)
s = strings.Replace(s, `"`, "_", -1)
s = strings.Replace(s, "<", "_", -1)
s = strings.Replace(s, ">", "_", -1)
return s
}
// dirsToNames returns a sorted list of names
func dirsToNames(dirs []*fs.Dir) []string {
names := []string{}
for _, dir := range dirs {
names = append(names, winPath(dir.Name))
}
sort.Strings(names)
return names
}
// objsToNames returns a sorted list of object names
func objsToNames(objs []fs.Object) []string {
names := []string{}
for _, obj := range objs {
names = append(names, winPath(obj.Remote()))
}
sort.Strings(names)
return names
}
// TestFsListDirEmpty tests listing the directories from an empty directory
func TestFsListDirEmpty(t *testing.T) {
skipIfNotOk(t)
objs, dirs, err := fs.NewLister().SetLevel(1).Start(remote, "").GetAll()
require.NoError(t, err)
assert.Equal(t, []string{}, objsToNames(objs))
assert.Equal(t, []string{}, dirsToNames(dirs))
}
// TestFsNewObjectNotFound tests not finding a object
func TestFsNewObjectNotFound(t *testing.T) {
skipIfNotOk(t)
// Object in an existing directory
o, err := remote.NewObject("potato")
assert.Nil(t, o)
assert.Equal(t, fs.ErrorObjectNotFound, err)
// Now try an object in a non existing directory
o, err = remote.NewObject("directory/not/found/potato")
assert.Nil(t, o)
assert.Equal(t, fs.ErrorObjectNotFound, err)
}
func findObject(t *testing.T, Name string) fs.Object {
var obj fs.Object
var err error
for i := 1; i <= eventualConsistencyRetries; i++ {
obj, err = remote.NewObject(Name)
if err == nil {
break
}
t.Logf("Sleeping for 1 second for findObject eventual consistency: %d/%d (%v)", i, eventualConsistencyRetries, err)
time.Sleep(1 * time.Second)
}
require.NoError(t, err)
return obj
}
func testPut(t *testing.T, file *fstest.Item) {
again:
buf := bytes.NewBufferString(fstest.RandomString(100))
hash := fs.NewMultiHasher()
in := io.TeeReader(buf, hash)
tries := 1
const maxTries = 10
file.Size = int64(buf.Len())
obji := fs.NewStaticObjectInfo(file.Path, file.ModTime, file.Size, true, nil, nil)
obj, err := remote.Put(in, obji)
if err != nil {
// Retry if err returned a retry error
if r, ok := err.(fs.Retry); ok && r.Retry() && tries < maxTries {
t.Logf("Put error: %v - low level retry %d/%d", err, tries, maxTries)
tries++
goto again
}
require.NoError(t, err, "Put error")
}
file.Hashes = hash.Sums()
file.Check(t, obj, remote.Precision())
// Re-read the object and check again
obj = findObject(t, file.Path)
file.Check(t, obj, remote.Precision())
}
// TestFsPutFile1 tests putting a file
func TestFsPutFile1(t *testing.T) {
skipIfNotOk(t)
testPut(t, &file1)
}
// TestFsPutFile2 tests putting a file into a subdirectory
func TestFsPutFile2(t *testing.T) {
skipIfNotOk(t)
testPut(t, &file2)
}
// TestFsUpdateFile1 tests updating file1 with new contents
func TestFsUpdateFile1(t *testing.T) {
skipIfNotOk(t)
testPut(t, &file1)
// Note that the next test will check there are no duplicated file names
}
// TestFsListDirFile2 tests the files are correctly uploaded
func TestFsListDirFile2(t *testing.T) {
skipIfNotOk(t)
var objNames, dirNames []string
for i := 1; i <= eventualConsistencyRetries; i++ {
objs, dirs, err := fs.NewLister().SetLevel(1).Start(remote, "").GetAll()
require.NoError(t, err)
objNames = objsToNames(objs)
dirNames = dirsToNames(dirs)
if len(objNames) >= 1 && len(dirNames) >= 1 {
break
}
t.Logf("Sleeping for 1 second for TestFsListDirFile2 eventual consistency: %d/%d", i, eventualConsistencyRetries)
time.Sleep(1 * time.Second)
}
assert.Equal(t, []string{`hello_ sausage`}, dirNames)
assert.Equal(t, []string{file1.Path}, objNames)
}
// TestFsListDirRoot tests that DirList works in the root
func TestFsListDirRoot(t *testing.T) {
skipIfNotOk(t)
rootRemote, err := fs.NewFs(RemoteName)
require.NoError(t, err)
dirs, err := fs.NewLister().SetLevel(1).Start(rootRemote, "").GetDirs()
require.NoError(t, err)
assert.Contains(t, dirsToNames(dirs), subRemoteLeaf, "Remote leaf not found")
}
// TestFsListSubdir tests List works for a subdirectory
func TestFsListSubdir(t *testing.T) {
skipIfNotOk(t)
fileName := file2.Path
if runtime.GOOS == "windows" {
fileName = file2.WinPath
}
dir, _ := path.Split(fileName)
dir = dir[:len(dir)-1]
objs, dirs, err := fs.NewLister().Start(remote, dir).GetAll()
require.NoError(t, err)
require.Len(t, objs, 1)
assert.Equal(t, fileName, objs[0].Remote())
require.Len(t, dirs, 0)
}
// TestFsListLevel2 tests List works for 2 levels
func TestFsListLevel2(t *testing.T) {
skipIfNotOk(t)
objs, dirs, err := fs.NewLister().SetLevel(2).Start(remote, "").GetAll()
if err == fs.ErrorLevelNotSupported {
return
}
require.NoError(t, err)
assert.Equal(t, []string{file1.Path}, objsToNames(objs))
assert.Equal(t, []string{`hello_ sausage`, `hello_ sausage/êé`}, dirsToNames(dirs))
}
// TestFsListFile1 tests file present
func TestFsListFile1(t *testing.T) {
skipIfNotOk(t)
fstest.CheckListing(t, remote, []fstest.Item{file1, file2})
}
// TestFsNewObject tests NewObject
func TestFsNewObject(t *testing.T) {
skipIfNotOk(t)
obj := findObject(t, file1.Path)
file1.Check(t, obj, remote.Precision())
}
// TestFsListFile1and2 tests two files present
func TestFsListFile1and2(t *testing.T) {
skipIfNotOk(t)
fstest.CheckListing(t, remote, []fstest.Item{file1, file2})
}
// TestFsCopy tests Copy
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)
require.NoError(t, err)
// check file exists in new listing
fstest.CheckListing(t, remote, []fstest.Item{file1, file2, file1Copy})
// Check dst lightly - list above has checked ModTime/Hashes
assert.Equal(t, file1Copy.Path, dst.Remote())
// Delete copy
err = dst.Remove()
require.NoError(t, err)
}
// TestFsMove tests Move
func TestFsMove(t *testing.T) {
skipIfNotOk(t)
// Check have Move
_, ok := remote.(fs.Mover)
if !ok {
t.Skip("FS has no Mover interface")
}
var file1Move = file1
file1Move.Path += "-move"
// do the move
src := findObject(t, file1.Path)
dst, err := remote.(fs.Mover).Move(src, file1Move.Path)
require.NoError(t, err)
// check file exists in new listing
fstest.CheckListing(t, remote, []fstest.Item{file2, file1Move})
// Check dst lightly - list above has checked ModTime/Hashes
assert.Equal(t, file1Move.Path, dst.Remote())
// move it back
src = findObject(t, file1Move.Path)
_, err = remote.(fs.Mover).Move(src, file1.Path)
require.NoError(t, err)
// check file exists in new listing
fstest.CheckListing(t, remote, []fstest.Item{file2, file1})
}
// Move src to this remote using server side move operations.
//
// Will only be called if src.Fs().Name() == f.Name()
//
// If it isn't possible then return fs.ErrorCantDirMove
//
// If destination exists then return fs.ErrorDirExists
// TestFsDirMove tests DirMove
func TestFsDirMove(t *testing.T) {
skipIfNotOk(t)
// Check have DirMove
_, ok := remote.(fs.DirMover)
if !ok {
t.Skip("FS has no DirMover interface")
}
// Check it can't move onto itself
err := remote.(fs.DirMover).DirMove(remote)
require.Equal(t, fs.ErrorDirExists, err)
// new remote
newRemote, removeNewRemote, err := fstest.RandomRemote(RemoteName, false)
require.NoError(t, err)
defer removeNewRemote()
// try the move
err = newRemote.(fs.DirMover).DirMove(remote)
require.NoError(t, err)
// check remotes
// FIXME: Prints errors.
fstest.CheckListing(t, remote, []fstest.Item{})
fstest.CheckListing(t, newRemote, []fstest.Item{file2, file1})
// move it back
err = remote.(fs.DirMover).DirMove(newRemote)
require.NoError(t, err)
// check remotes
fstest.CheckListing(t, remote, []fstest.Item{file2, file1})
fstest.CheckListing(t, newRemote, []fstest.Item{})
}
// TestFsRmdirFull tests removing a non empty directory
func TestFsRmdirFull(t *testing.T) {
skipIfNotOk(t)
err := remote.Rmdir()
require.Error(t, err, "Expecting error on RMdir on non empty remote")
}
// TestFsPrecision tests the Precision of the Fs
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
}
// TestObjectString tests the Object String method
func TestObjectString(t *testing.T) {
skipIfNotOk(t)
obj := findObject(t, file1.Path)
assert.Equal(t, file1.Path, obj.String())
assert.Equal(t, "<nil>", NilObject.String())
}
// TestObjectFs tests the object can be found
func TestObjectFs(t *testing.T) {
skipIfNotOk(t)
obj := findObject(t, file1.Path)
if obj.Fs() != remote {
// Check to see if this wraps something else
if unwrap, ok := remote.(fs.UnWrapper); ok {
remote = unwrap.UnWrap()
}
}
assert.Equal(t, obj.Fs(), remote)
}
// TestObjectRemote tests the Remote is correct
func TestObjectRemote(t *testing.T) {
skipIfNotOk(t)
obj := findObject(t, file1.Path)
assert.Equal(t, file1.Path, obj.Remote())
}
// TestObjectHashes checks all the hashes the object supports
func TestObjectHashes(t *testing.T) {
skipIfNotOk(t)
obj := findObject(t, file1.Path)
file1.CheckHashes(t, obj)
}
// TestObjectModTime tests the ModTime of the object is correct
func TestObjectModTime(t *testing.T) {
skipIfNotOk(t)
obj := findObject(t, file1.Path)
file1.CheckModTime(t, obj, obj.ModTime(), remote.Precision())
}
// TestObjectSetModTime tests that SetModTime works
func TestObjectSetModTime(t *testing.T) {
skipIfNotOk(t)
newModTime := fstest.Time("2011-12-13T14:15:16.999999999Z")
obj := findObject(t, file1.Path)
err := obj.SetModTime(newModTime)
if err == fs.ErrorCantSetModTime {
t.Log(err)
return
}
require.NoError(t, err)
file1.ModTime = newModTime
file1.CheckModTime(t, obj, obj.ModTime(), remote.Precision())
// And make a new object and read it from there too
TestObjectModTime(t)
}
// TestObjectSize tests that Size works
func TestObjectSize(t *testing.T) {
skipIfNotOk(t)
obj := findObject(t, file1.Path)
assert.Equal(t, file1.Size, obj.Size())
}
// TestObjectOpen tests that Open works
func TestObjectOpen(t *testing.T) {
skipIfNotOk(t)
obj := findObject(t, file1.Path)
in, err := obj.Open()
require.NoError(t, err)
hasher := fs.NewMultiHasher()
n, err := io.Copy(hasher, in)
require.NoError(t, err)
require.Equal(t, file1.Size, n, "Read wrong number of bytes")
err = in.Close()
require.NoError(t, err)
// Check content of file by comparing the calculated hashes
for hashType, got := range hasher.Sums() {
assert.Equal(t, file1.Hashes[hashType], got)
}
}
// TestObjectUpdate tests that Update works
func TestObjectUpdate(t *testing.T) {
skipIfNotOk(t)
buf := bytes.NewBufferString(fstest.RandomString(200))
hash := fs.NewMultiHasher()
in := io.TeeReader(buf, hash)
file1.Size = int64(buf.Len())
obj := findObject(t, file1.Path)
obji := fs.NewStaticObjectInfo("", file1.ModTime, file1.Size, true, nil, obj.Fs())
err := obj.Update(in, obji)
require.NoError(t, err)
file1.Hashes = hash.Sums()
file1.Check(t, obj, remote.Precision())
// Re-read the object and check again
obj = findObject(t, file1.Path)
file1.Check(t, obj, remote.Precision())
}
// TestObjectStorable tests that Storable works
func TestObjectStorable(t *testing.T) {
skipIfNotOk(t)
obj := findObject(t, file1.Path)
require.NotNil(t, !obj.Storable(), "Expecting object to be storable")
}
// TestFsIsFile tests that an error is returned along with a valid fs
// which points to the parent directory.
func TestFsIsFile(t *testing.T) {
skipIfNotOk(t)
remoteName := subRemoteName + "/" + file2.Path
file2Copy := file2
file2Copy.Path = "z.txt"
fileRemote, err := fs.NewFs(remoteName)
assert.Equal(t, fs.ErrorIsFile, err)
fstest.CheckListing(t, fileRemote, []fstest.Item{file2Copy})
}
// TestFsIsFileNotFound tests that an error is not returned if no object is found
func TestFsIsFileNotFound(t *testing.T) {
skipIfNotOk(t)
remoteName := subRemoteName + "/not found.txt"
fileRemote, err := fs.NewFs(remoteName)
require.NoError(t, err)
fstest.CheckListing(t, fileRemote, []fstest.Item{})
}
// TestObjectRemove tests Remove
func TestObjectRemove(t *testing.T) {
skipIfNotOk(t)
obj := findObject(t, file1.Path)
err := obj.Remove()
require.NoError(t, err)
fstest.CheckListing(t, remote, []fstest.Item{file2})
}
// TestObjectPurge tests Purge
func TestObjectPurge(t *testing.T) {
skipIfNotOk(t)
fstest.TestPurge(t, remote)
err := fs.Purge(remote)
assert.Error(t, err, "Expecting error after on second purge")
}
// TestFinalise tidies up after the previous tests
func TestFinalise(t *testing.T) {
skipIfNotOk(t)
if strings.HasPrefix(RemoteName, "/") {
// Remove temp directory
err := os.Remove(RemoteName)
require.NoError(t, err)
}
}