Factory Girl Testing Speed By ThoughtBot
Factory Girl is a testing framework for Ruby On Rails written by
This page has notes from ThoughtBot about how to do Factory Girl testing speed optimizations.
Thanks to Dan Croak, author of Factory Girl, for providing these ideas.
Factory Girl Testing Setup By ThoughtBot
To use RAM instead of the database
We rely on only writing to the database when necessary.
We use Factory.build or .stub instead of .create, never hitting the wire
To use parallel databases
We create 4 test databases and on rake, the tests run in parallel, using the different databases.
Why 4? Good question. i don't know if we've tried having more, found a limit, and backed off.
To use Cucumber's Direct Model Access
For example, as long as you have integration coverage
for the sign up process, you can feel confident using FactoryGirl
for a "I am signed up and confirmed as 'firstname.lastname@example.org'" step,
instead of a step that actually submits the sign up form again.
To use FakeWeb for HTTP network connections
We use the FakeWeb library on all projects to make sure we don't make http calls.
And turn on FakeWeb.allow_net_connect = false
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