Improve ExUnit output for assertions on process mailbox

[Devon Estes]

A friend of mine brought up a good potential feature on Twitter, and since he doesn't seem to have done anything to bring it to everyone's attention, I wanted to make sure it was brought up.

Would it be possible to add some sort of more helpful output in ExUnit when you're asserting a process receives a certain message in its mailbox? If you check out the photo in his tweet, it's pretty difficult to see what the differences are between the expected message and the received message. Here's the link to the tweet: https://twitter.com/bradurani/status/874156094897045504

I'd be happy to help with implementation if folks think this is a good new feature to add.

Thanks!

Devon

[José Valim]

Yes, it is a good feature to add. Please open up an issue and contributions are also welcome. Although I should this is a mildly complex feature to implement. Today we are only able to perform diffs against data-structures and this would require performing diffs against patterns.

José Valim

www.plataformatec.com.br

Skype: jv.ptec

Founder and Director of R&D

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