listing the names and the attributes of factories (FactoryGirl)

Question

I want to write a ruby script to list the names and their attributes of factories in a project (with factory girl). My problem is, I'm not sure how can I determine the start and end of a given factory

The approach I'm thinking is to,

• start reading each factory file as a string
• when I get the string factory, I assume its the starting of a factory. (and I get the starting position)
• then I read on the file until I get an end and if it is in align with the factory I assume its the end of the factory

But the downside of this is, If the alignments are different I will not be able to determine the end point of the factory.

My questions are,

• Is this a good approach ?
• What are the alternatives ?

I checked rubocop, and their approach to handle alignments, but seems like since its a general approach, its complicated. I believe their should be an easier way.

Answer 1

If you need to actually parse the factories.rb file and can't just execute the Ruby, I'd strongly recommend using a true parser like Ripper instead of writing a string parser for Ruby yourself.

Answer 2

That seems like quite a bit of overkill. You can just ask FactoryGirl itself, since each Factory has an attributes object and name associated with it.