RSpec-testing a simple Puppet module (MOTD).

folder_tree.ascii

.
├── Modulefile
├── README
├── Rakefile
├── files
│   └── README.markdown
├── lib
│   └── puppet
│       ├── facter
│       │   └── README.markdown
│       ├── parser
│       │   └── functions
│       │       └── README.markdown
│       ├── provider
│       │   └── README.markdown
│       └── type
│           └── README.markdown
├── manifests
│   ├── README.markdown
│   └── init.pp
├── metadata.json
├── spec
│   ├── README.markdown
│   ├── classes
│   │   ├── README.markdown
│   │   └── motd_spec.rb
│   ├── defines
│   │   └── README.markdown
│   ├── fixtures
│   │   ├── manifests
│   │   │   └── site.pp
│   │   └── modules
│   │       └── motd -> /Volumes/MacHD/Data/joecarroll/src/Sihti/macs-puppet/puppet/modules/motd
│   ├── functions
│   │   └── README.markdown
│   ├── hosts
│   │   └── README.markdown
│   ├── spec.opts
│   ├── spec_helper.rb
│   └── unit
│       └── puppet
│           ├── provider
│           │   └── README.markdown
│           └── type
│               └── README.markdown
├── templates
│   ├── README.markdown
│   └── motd.erb
└── tests
    └── init.pp

24 directories, 25 files

init.pp

include motd

Modulefile

name    'puppetlabs-motd'
version '1.0.1'
source 'git@github.com:puppetlabs/puppetlabs-motd.git'
author 'puppetlabs'
license 'Apache License, Version 2.0'
summary 'A simple module to demonstrate managing /etc/motd as a template'
description 'This module simply manages /etc/motd as a template, showing interpolation of system attributes'
project_page 'https://github.com/puppetlabs/puppetlabs-motd'

motd.erb

This Sihti Mac is managed with Puppet v<%= @puppetversion %>.
Contact: itadmin@sihti.fi
Your FQDN is <%= @fqdn %>
Uptime: <%= @sp_uptime %>

motd_spec.rb

require "spec_helper"

describe  'motd', :type => 'class' do
  context "Message Of The Day" do
    let :facts do
      {
        :@puppetversion => '3.0.0'
      }
    end
    it {
      should contain_file('/etc/motd').with({
        'ensure'  => 'present',
        'owner'  => 'root',
        'group'  => 'wheel',
        'mode'  => '0644'
      }).with_content(/^.+Puppet v3\.0\.0$/)
    }
  end
end

output.rspec

$ rake spec_clean spec_prep; rspec --colour --backtrace
F

Failures:

  1) motd Message Of The Day should contain File[/etc/motd] with group => "wheel", mode => "0644", ensure => "present", owner => "root" and content matching /^.+Puppet v3\.0\.0$/
     Failure/Error: }).with_content(/^.+Puppet v3\.0\.0$/)
       expected that the catalogue would contain File[/etc/motd]
     # /Library/Ruby/Gems/1.8/gems/rspec-expectations-2.14.0/lib/rspec/expectations/fail_with.rb:32:in `fail_with'
     # /Library/Ruby/Gems/1.8/gems/rspec-expectations-2.14.0/lib/rspec/expectations/handler.rb:36:in `handle_matcher'
     # /Library/Ruby/Gems/1.8/gems/rspec-core-2.14.4/lib/rspec/core/memoized_helpers.rb:68:in `should'
     # ./spec/classes/motd_spec.rb:16
     # /Library/Ruby/Gems/1.8/gems/rspec-core-2.14.4/lib/rspec/core/example.rb:114:in `instance_eval'
     # /Library/Ruby/Gems/1.8/gems/rspec-core-2.14.4/lib/rspec/core/example.rb:114:in `run'
     # /Library/Ruby/Gems/1.8/gems/rspec-core-2.14.4/lib/rspec/core/example.rb:254:in `with_around_each_hooks'
     # /Library/Ruby/Gems/1.8/gems/rspec-core-2.14.4/lib/rspec/core/example.rb:111:in `run'
     # /Library/Ruby/Gems/1.8/gems/rspec-core-2.14.4/lib/rspec/core/example_group.rb:400:in `run_examples'
     # /Library/Ruby/Gems/1.8/gems/rspec-core-2.14.4/lib/rspec/core/example_group.rb:396:in `map'
     # /Library/Ruby/Gems/1.8/gems/rspec-core-2.14.4/lib/rspec/core/example_group.rb:396:in `run_examples'
     # /Library/Ruby/Gems/1.8/gems/rspec-core-2.14.4/lib/rspec/core/example_group.rb:381:in `run'
     # /Library/Ruby/Gems/1.8/gems/rspec-core-2.14.4/lib/rspec/core/example_group.rb:382:in `run'
     # /Library/Ruby/Gems/1.8/gems/rspec-core-2.14.4/lib/rspec/core/example_group.rb:382:in `map'
     # /Library/Ruby/Gems/1.8/gems/rspec-core-2.14.4/lib/rspec/core/example_group.rb:382:in `run'
     # /Library/Ruby/Gems/1.8/gems/rspec-core-2.14.4/lib/rspec/core/command_line.rb:28:in `run'
     # /Library/Ruby/Gems/1.8/gems/rspec-core-2.14.4/lib/rspec/core/command_line.rb:28:in `map'
     # /Library/Ruby/Gems/1.8/gems/rspec-core-2.14.4/lib/rspec/core/command_line.rb:28:in `run'
     # /Library/Ruby/Gems/1.8/gems/rspec-core-2.14.4/lib/rspec/core/reporter.rb:58:in `report'
     # /Library/Ruby/Gems/1.8/gems/rspec-core-2.14.4/lib/rspec/core/command_line.rb:25:in `run'
     # /Library/Ruby/Gems/1.8/gems/rspec-core-2.14.4/lib/rspec/core/runner.rb:80:in `run'
     # /Library/Ruby/Gems/1.8/gems/rspec-core-2.14.4/lib/rspec/core/runner.rb:17:in `autorun'
     # /usr/bin/rspec:23

Finished in 0.39232 seconds
1 example, 1 failure

Failed examples:

rspec ./spec/classes/motd_spec.rb:10 # motd Message Of The Day should contain File[/etc/motd] with group => "wheel", mode => "0644", ensure => "present", owner => "root" and content matching /^.+Puppet v3\.0\.0$/

spec_helper.rb

require 'rubygems'
require 'puppetlabs_spec_helper/module_spec_helper'