This feature already exists as —listen-to-stdin. You just need a tool, like
fsevents, to watch the file:
fsevents . | mix test —stale —listen-to-stdin
The above will only run the files that changes (or the tests that depend on
the files that have changed).
On Sat, Mar 20, 2021 at 23:56 Yordis Prieto <[email protected]> wrote:
> Hey folks,
>
> I never bothered me before not having the watch mode for test command, and
> I was totally fine using a package that allow me to have the functionality.
>
> But I am wondering why we don't get a *mix test --watch* or something
> like that that allow us to have quick feedback loop.
>
> Observing the words of somebody that is not an Elixir developer but
> passionate about TDD, not having such mode said a lot to the person about
> how Elixir developer think about TDD (shrug).
>
> The intention was given in a constructive manner, which without getting
> philosophical about the topic, I can see how having watch mode in testing
> will be welcoming for some folks and embracing the quick feedback loop
> (regardless if you do extreme TDD, or not). And personally I don't have to
> keep installing packages just for such feature.
>
> Thoughts?
>
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