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 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 }