func testCreateDir(fs storage.Directory, path, referencePath string) error {
dir, err := fs.Mkdir(path)
if err != nil {
return errors.New(fmt.Sprintf("error creating directory: %v", err))
}
if actualPath := dir.Entry().Path(); actualPath != referencePath {
return errors.New(fmt.Sprintf("new directory has wrong path; expected %s, got %s", referencePath, actualPath))
}
err = dir.Close()
if err != nil {
return errors.New(fmt.Sprintf("failed to close newly created directory: %v", err))
}
entry, err := fs.Stat(path)
if err != nil {
return errors.New(fmt.Sprintf("failed to stat new directory: %v", err))
}
if _, ok := entry.(storage.DirectoryEntry); !ok {
return errors.New("new directory failed to stat as a directory")
}
if actualPath := entry.Path(); actualPath != referencePath {
return errors.New(fmt.Sprintf("new directory has wrong path after statting; expected %s, got %s", referencePath, actualPath))
}
return nil
}
func checkDirectoryContents(directory storage.Directory, expectedContents []string) (entries map[string]storage.Entry, e error) {
entries = make(map[string]storage.Entry)
e = nil
contents := make([]string, 0, 10)
for entry, err := directory.NextEntry(); entry != nil; entry, err = directory.NextEntry() {
if err != nil {
e = errors.New(fmt.Sprintf("error while iterating over directory entries: %v", err))
return
}
contents = append(contents, entry.Name())
entries[entry.Name()] = entry
}
if len(contents) != len(expectedContents) {
e = errors.New(fmt.Sprintf("expected %d dir entries, got %d instead", len(expectedContents), len(contents)))
return
}
sort.Sort(sort.StringSlice(contents))
sort.Sort(sort.StringSlice(expectedContents))
for idx, filename := range contents {
if filename != expectedContents[idx] {
e = errors.New(fmt.Sprintf("directory listing differs at %d: expected %s, got %s", idx, expectedContents[idx], filename))
return
}
}
return
}
func (sync *Unidirectional) syncDir(entry storage.DirectoryEntry) error {
path := entry.Path()
var (
targetEntry storage.Entry
targetDirEntry storage.DirectoryEntry
targetDir storage.Directory
err error
ok bool
)
targetEntry, err = sync.to.Stat(path)
if err != nil {
return err
}
if targetDirEntry, ok = targetEntry.(storage.DirectoryEntry); !ok && targetEntry != nil {
if err := targetEntry.Remove(); err != nil {
return err
}
targetDirEntry = nil
}
if targetDirEntry != nil {
return nil
}
sync.events <- &EventStartSyncing{entry: entry}
targetDir, err = sync.to.Mkdir(path)
if err != nil {
return err
}
defer func() {
sync.setLastErrorIfApplicable(targetDir.Close())
}()
return nil
}
func testCreateFile(target storage.Directory, path, referencePath string) error {
file, err := target.CreateFile(path)
if err != nil {
return errors.New(fmt.Sprintf("creating file failed: %v", err))
}
fileClosed := false
defer func() {
if !fileClosed {
if err := file.Close(); err != nil {
panic(err)
}
}
}()
bytesWritten, err := file.Write([]byte("Hello world"))
if err != nil {
return errors.New(fmt.Sprintf("failed to write to file: %v", err))
}
if bytesWritten != 11 {
return errors.New(fmt.Sprintf("failed to write the full buffer, wrote %d bytes", bytesWritten))
}
if actualPath := file.Entry().Path(); actualPath != referencePath {
return errors.New(fmt.Sprintf("new file has wrong path: expected %s, got %s", referencePath, actualPath))
}
err = file.Close()
if err != nil {
return errors.New(fmt.Sprintf("error closing newly created file: %v", err))
}
fileClosed = true
fileEntry, err := target.Stat(path)
if err != nil {
return errors.New(fmt.Sprintf("failed to stat newly created file: %v", err))
}
if actualPath := fileEntry.Path(); actualPath != referencePath {
return errors.New(fmt.Sprintf("new file has wrong path after statting: expected %s, got %s", referencePath, actualPath))
}
fileRO, err := fileEntry.(storage.FileEntry).Open()
if err != nil {
return errors.New(fmt.Sprintf("failed to opeen new file: %v", err))
}
defer func() {
if err := fileRO.Close(); err != nil {
panic(err)
}
}()
buffer := make([]byte, 20)
bytesRead, err := fileRO.Read(buffer)
if err != nil && err != io.EOF {
return errors.New(fmt.Sprintf("failed to read from newly created file: %v", err))
}
if bytesRead != 11 || string(buffer[:11]) != "Hello world" {
return errors.New(fmt.Sprintf("invalid contents in written file: %v", string(buffer[:bytesRead+2])))
}
return nil
}