Hi José!

I'm not sure I follow what you are proposing. How would we start/stop the
Mix application? Do you mean using `Application.stop/1` (I don't see
anything in the Mix docs about starting or stopping applications)?

Thanks,
Jason

On Sun, Jan 12, 2020 at 5:13 AM José Valim <[email protected]>
wrote:

> Hi Jason!
>
> I wonder if you could stop and start the Mix application before and/or
> after every test and if that would be enough to purge/clear all state.
> Maybe it won't  work with `mix test` per-se but it is worth trying.
>
>
> *José Valim*
> www.plataformatec.com.br
> Founder and Director of R&D
>
>
> On Sat, Jan 11, 2020 at 6:37 PM Jason Axelson <[email protected]>
> wrote:
>
>> Hi,
>>
>> I'm working on maintaining ElixirLS (
>> https://github.com/elixir-lsp/elixir-ls/) and trying to cut down on the
>> number of private api's it uses. One of these is a re-implementation of
>> MixTest.Case that uses private functions from Mix.ProjectStack:
>>
>>
>> https://github.com/elixir-lsp/elixir-ls/blob/b1415ce8611657826083e6de7b793389b7edc549/apps/elixir_ls_utils/test/support/mix_test.case.ex
>>
>> In order to replace that usage we need to be able to run our tests in
>> various fixtures, similarly to how the mix tests do in
>> https://github.com/elixir-lang/elixir/blob/c7f0295d6da268ffc85292e104f11f4d08423805/lib/mix/test/mix/umbrella_test.exs#L7
>>
>> Here's an example of using the `in_fixture` from the copy of
>> `MixTest.Case`:
>>
>> https://github.com/elixir-lsp/elixir-ls/blob/7a1fed551739b2dafcf1634365ca3733ec8d18dd/apps/language_server/test/server_test.exs#L274
>>
>> Any suggestions for alternative patterns would be helpful as well, but
>> ideally the similar test cases could be kept in the same file so that they
>> can be easily compared, even if they require code from different test
>> fixtures.
>>
>> Thanks,
>> Jason
>>
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