ExCoveralls – coveralls.io for Elixir (elixir-lang)


Last week, I was working on a coveralls.io binding for Elixir. It’s getting more fun to find something to write using Elixir. Its entire toolsets are still limited compared with other popular languages (JavaScript, Ruby, etc.), but the underlying Erlang’s wide-range libraries helps a lot.

This uses Erlang’s cover library, and it works mostly well on Elixir. It can return the module definition (Elixir.XXX) and source code (*.ex) relationship along with test-coverage by combining with “mix test”. I haven’t been able to fully understand how this translation is working, but it would be one good indicator that Elixir is well wrapped around Erlang’s concept at very low-level. It’s pretty much interesting that it’s achievable by changing the language representation like Ruby, from the Erlang’s a little tricky grammer.

Still there’s a lot to learn, but this kind of writing is a nice workout for getting closer, I hope.


Posted on September 8, 2013, in Elixir, Software Design. Bookmark the permalink. Leave a comment.

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