Nested database transactions to speed up the test suite

[Rodrigo Rosenfeld Rosas]

Hi, maybe some of you might be interested in the approach I described in the following article [1] suggesting to use nested database transactions to speed up a test suite by creating common records in a before(:all) block rather than recreating them before every single test in the group. To make things simpler, I've also released the rspec_nested_transactions gem [2]. There are examples demonstrating how easy it is with both Sequel and ActiveRecord, provided your database supports either nested transactions or savepoints:

http://rosenfeld.herokuapp.com/en/articles/ruby-rails/2016-08-05-using-rspec-nested-transactions-to-speed-up-tests-touching-the-database

https://github.com/rosenfeld/rspec_nested_transactions

I hope it could be useful to some of you.

Thanks, Myron, for the idea to use Ruby Fibers to implement an around(:all)-like block in RSpec, a few years ago :) That was a really clever trick :)

Cheers,

Rodrigo.

[Myron Marston]

Cool!  Thanks for sharing, Rodrigo.

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[Rodrigo Rosenfeld Rosas]

Thanks, Myron :-)

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