For a project I wrote a simplified MapFS, where only the file data needs to be specified, as a string: https://gist.github.com/perillo/45dfe7eb1c87e2d436574cab0d11221c
Manlio Il giorno domenica 28 marzo 2021 alle 10:06:21 UTC+2 seank...@gmail.com ha scritto: > https://pkg.go.dev/testing/fstest ? > > On Sunday, March 28, 2021 at 5:09:12 AM UTC+2 aind...@gmail.com wrote: > >> For testing library functions that accept fs.FS, I've been creating mock >> FS implementations. However, I'm surprised by the amount of code I've had >> to write for something like an FS with a single file in it. See below: >> >> *type singleFileFS struct {* >> * f stringFile* >> *}* >> >> *func (r singleFileFS) Open(name string) (fs.File, error) { return >> nil, nil }* >> *func (r singleFileFS) Stat(name string) (fs.FileInfo, error) { return r, >> nil }* >> *func (r singleFileFS) Name() string { return >> "." }* >> *func (r singleFileFS) Size() int64 { return -1 >> }* >> *func (r singleFileFS) Mode() (m fs.FileMode) { return }* >> *func (r singleFileFS) ModTime() (t time.Time) { return }* >> *func (r singleFileFS) IsDir() bool { return >> true }* >> *func (r singleFileFS) Sys() interface{} { return >> nil }* >> *func (r singleFileFS) ReadDir(string) ([]fs.DirEntry, error) { return >> []fs.DirEntry{r.f}, nil }* >> *func (r singleFileFS) ReadFile(name string) ([]byte, error) { return >> r.f.body, nil }* >> >> *type stringFile struct {* >> * name string* >> * body []byte* >> *}* >> >> *func (s stringFile) Stat() (fs.FileInfo, error) { return s, nil }* >> *func (s stringFile) Name() string { return s.name >> <http://s.name> }* >> *func (s stringFile) Size() int64 { return >> int64(len(s.body)) }* >> *func (s stringFile) Mode() (m fs.FileMode) { return }* >> *func (s stringFile) Type() (m fs.FileMode) { return }* >> *func (s stringFile) ModTime() (t time.Time) { return }* >> *func (s stringFile) IsDir() (false bool) { return }* >> *func (s stringFile) Sys() (i interface{}) { return }* >> *func (s stringFile) Read([]byte) (i int, e error) { return }* >> *func (s stringFile) Close() (err error) { return }* >> *func (s stringFile) Info() (fs.FileInfo, error) { return s, nil }* >> >> Does anyone have any tips for creating a smaller version of this kind of >> adapter? Or are there any FS adapter libraries that can help with this sort >> of thing? >> >> Thanks, >> Akhil >> > -- You received this message because you are subscribed to the Google Groups "golang-nuts" group. To unsubscribe from this group and stop receiving emails from it, send an email to golang-nuts+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/golang-nuts/67947b8d-863a-49d3-be6c-16ae4983b7c7n%40googlegroups.com.
