RSpec spec are normally generated alongside other application components.
rails generate model will also generate an RSpec spec file
for the model.
Note that the generators are there to help you get started, but they are no substitute for writing your own examples, and they are only guaranteed to work out of the box for with Rails' defaults.
RSpec generators can also be run independently. For instance,
rails generate rspec:model widget
will create a new spec file in
The same generator pattern is available for all specs: