add test-kitchen example

.gitignore

@@ -4,3 +4,4 @@ coverage
 .gallery
 .kitchen
 .delivery/cli.toml
+Berksfile.lock

examples/test-kitchen/.kitchen.yml

@@ -0,0 +1,20 @@
+---
+driver:
+  name: vagrant
+
+provisioner:
+  name: chef_solo
+
+verifier:
+  name: InSpec
+
+platforms:
+  - name: centos-7.1
+  - name: ubuntu-12.04
+  - name: ubuntu-14.04
+
+suites:
+  - name: default
+    run_list:
+      - recipe[prepare]
+    attributes:

examples/test-kitchen/Berksfile

@@ -0,0 +1,3 @@
+source 'https://supermarket.chef.io'
+
+metadata

examples/test-kitchen/Gemfile

@@ -0,0 +1,21 @@
+# encoding: utf-8
+source 'https://rubygems.org'
+
+gem 'vulcano', path: '../../.'
+gem 'train', git: 'git@github.com:chef/train.git'
+
+group :test do
+  gem 'bundler', '~> 1.5'
+  gem 'minitest', '~> 5.5'
+  gem 'rake', '~> 10'
+  gem 'rubocop', '~> 0.33.0'
+  gem 'simplecov', '~> 0.10'
+end
+
+group :integration do
+  gem 'berkshelf', '~> 4.0'
+  gem 'test-kitchen', '~> 1.4'
+  gem 'kitchen-vagrant'
+  gem 'kitchen-inspec', git: 'git@github.com:chef/kitchen-inspec.git'
+  gem 'concurrent-ruby', '~> 0.9'
+end

examples/test-kitchen/README.md

@@ -0,0 +1,27 @@
+# InSpec Test-Kitchen Example
+
+This example demonstrates a complete roundtrip via [Test-Kitchen](http://kitchen.ci/).
+
+```bash
+# install all dependencies
+$ bundle install
+# show all available tests
+$ bundle exec kitchen list
+Instance             Driver   Provisioner  Verifier  Transport  Last Action
+default-centos-71    Vagrant  ChefSolo     InSpec    Ssh        <Not Created>
+default-ubuntu-1204  Vagrant  ChefSolo     InSpec    Ssh        <Not Created>
+default-ubuntu-1404  Vagrant  ChefSolo     InSpec    Ssh        <Not Created>
+
+# Now we are ready to run a complete test
+$ bundle exec kitchen test default-ubuntu-1404
+-----> Starting Kitchen (v1.4.2)
+-----> Verifying <default-ubuntu-1404>...
+
+...
+
+Finished in 0.03241 seconds (files took 0.22475 seconds to load)
+5 examples, 0 failures
+
+       Finished verifying <default-ubuntu-1404> (0m0.16s).
+-----> Kitchen is finished. (0m0.82s)
+```

examples/test-kitchen/metadata.rb

@@ -0,0 +1,7 @@
+name 'prepare'
+maintainer 'Chef Software, Inc.'
+maintainer_email 'support@chef.io'
+description 'This cookbook prepares the test operating systems'
+version '1.0.0'
+depends 'apt'
+depends 'yum'

examples/test-kitchen/recipes/default.rb

@@ -0,0 +1,6 @@
+# encoding: utf-8
+# author: Christoph Hartmann
+# author: Dominik Richter
+
+# install nginx
+include_recipe('prepare::nginx')

examples/test-kitchen/recipes/nginx.rb

@@ -0,0 +1,30 @@
+# encoding: utf-8
+# author: Christoph Hartmann
+# author: Dominik Richter
+
+# install repositories for nginx
+case node['platform']
+when 'ubuntu'
+  include_recipe('apt')
+  # if ubuntu, install
+  apt_repository 'nginx-php' do
+    uri 'ppa:nginx/stable'
+    distribution node['lsb']['codename']
+  end
+when 'centos'
+  # add repo for Centos 7
+  yum_repository 'nginx' do
+    description 'Nginx Repo'
+    baseurl 'http://nginx.org/packages/centos/7/x86_64'
+    gpgkey 'http://nginx.org/keys/nginx_signing.key'
+    action :create
+  end
+end
+
+# install nginx package
+package 'nginx'
+
+# start the service
+service 'nginx' do
+  action :start
+end

examples/test-kitchen/test/integration/default/web_spec.rb

@@ -0,0 +1,31 @@
+# encoding: utf-8
+# author: Christoph Hartmann
+# author: Dominik Richter
+
+# use basic tests
+describe package('nginx') do
+  it { should be_installed }
+end
+
+# extend tests with metadata
+rule '01' do
+  impact 0.7
+  title 'Verify nginx service'
+  desc 'Ensures nginx service is up and running'
+  describe service('nginx') do
+    it { should be_enabled }
+    it { should be_installed }
+    it { should be_running }
+  end
+end
+
+# implement os dependent tests
+if ['ubuntu'].include?(os[:family])
+  web_user = 'www-data'
+elsif ['centos'].include?(os[:family])
+  web_user = 'nginx'
+end
+
+describe user(web_user) do
+  it { should exist }
+end