Running `make test` with a specified seed

[eksperimental]

I'm trying to replicate some tests failing in CI,
and I would like to pass a specified seed,
what is the correct way of doing it other than hardcoding it in the source code as I have been
doing up to now.
Thank you

[José Valim]

The simplest way to do this is by changing Elixir's test_helper.exs files to read the seed from the environemnt variable.

José Valim

www.plataformatec.com.br

Skype: jv.ptec

Founder and Director of R&D

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[eksperimental]

On Sat, 20 Oct 2018 09:56:31 +0200
José Valim <jose....@plataformatec.com.br> wrote:

> The simplest way to do this is by changing Elixir's test_helper.exs files
> to read the seed from the environemnt variable.

Sorry, I forgot to answer.
Great advice,
I ended up doing

ExUnit.start(
trace: "--trace" in System.argv(),
assert_receive_timeout: assert_timeout,
exclude: exclude,
seed: System.get_env("EX_UNIT_SEED") |> String.to_integer() || 0
)

In case it's useful to somebody