[rspec-users] Better visualizations of spec running time besides --profile?

Ash Moran ash.moran at patchspace.co.uk
Thu Sep 1 04:07:00 EDT 2011


On 31 Aug 2011, at 23:06, John Feminella wrote:

> We have about 2,000 specs in a Rails app that take roughly 80 seconds
> to run, and I'm trying to improve the performance of things a bit.
> 
> While the profile mode has proven useful so far, it only shows the top
> ten slowest specs. Unfortunately, we have lot of specs, and we've
> picked off all the low-hanging fruit -- the ones remaining are all <
> ~0.1 sec or less. I'd like to streamline things further by seeing if
> there's a way to get information about slow spec *files* (not just
> individual specs), because I suspect that slower specs will be next to
> other slow specs.
> 
> Any ideas about how I can get this information, or do I need to roll
> my own benchmarked?

Hi John

While not an answer to your question, you might like this post "Why I don’t use spork" as an alternative perspective. Kevin's argument is that "Spork solves the wrong problem".

After Nikolay taught me that you can have multiple RSpec guards in a Guardfile, having a Rails-independent lib with continuous development testing seems pretty feasible. (I haven't tried it, but I'm tangentially involved in a project where we may be able to give it a go.)

BTW there's also the Destroy All Software screencast "Fast Tests With and Without Rails"[2] which I found yesterday, sounds to describe the same idea. I haven't watched it yet though (maybe somebody else here has?) - $9 is a lot of money to spend on a whim you know :)

HTH in some way

Cheers
Ash

[1] http://silkandspinach.net/2011/08/08/why-i-dont-use-spork/
[2] https://www.destroyallsoftware.com/screencasts/catalog/fast-tests-with-and-without-rails

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