Testing your puppet manifests with rspec-puppet

It would be great if we could verify that our Puppet manifests satisfy certain expectations without even having to run Puppet. The rspec-puppet tool is a nifty tool to do this. Based on RSpec, a testing framework for Ruby programs, rspec-puppet lets you write test cases for your Puppet manifests that are especially useful to catch regressions (bugs introduced when fixing another bug), and refactoring problems (bugs introduced when reorganizing your code).

Getting ready

Here's what you'll need to do to install rspec-puppet.

Run the following commands:

t@mylaptop~ $ sudo puppet resource package rspec-puppet ensure=installed provider=gem
Notice: /Package[rspec-puppet]/ensure: created
package { 'rspec-puppet':
  ensure => ['1.0.1'],
}
t@mylaptop ~ $ sudo puppet resource package puppetlabs_spec_helper ensure=installed provider=gem
Notice: /Package[puppetlabs_spec_helper]/ensure: created
package { 'puppetlabs_spec_helper...