func (fsRoot *fsRoot) Writer(path string) (io.Writer, error) {
realPath := fsRoot.root + string(fsRoot.fs.PathSeparator()) + path
dir := filepath.Dir(realPath)
err := vfs.MkdirAll(fsRoot.fs, dir, 0775)
if err != nil {
return nil, errors.New("could not create dir " + dir + " due to " + err.Error())
}
file, err := fsRoot.fs.OpenFile(realPath, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0664)
if err != nil {
return nil, errors.New("could not open file " + realPath + " due to " + err.Error())
}
return file, nil
}
func fsWithFiles(filenames []string) vfs.Filesystem {
fs := memfs.Create()
var err error
for _, fn := range filenames {
path := filepath.Dir(fn)
if path != "" {
err = vfs.MkdirAll(fs, path, 0700)
if err != nil {
panic(err)
}
}
err = touchFile(fs, fn)
if err != nil {
panic(err)
}
}
return fs
}