Add acceptance tests for puppet-diskimage_builder.

Add acceptance tests for puppet-diskimage_builder module so that once
the module is applied we check if packages were installed.

Change-Id: I37a7e4ae9f1a380568c0aa4f09cef1dfb7c4aaa9
Co-Authored-By: Bruno Tavares <btavare@thoughtworks.com>
Co-Authored-By: Danilo Ramalho <dramalho@thoughtworks.com>

.gitignore

@@ -1,2 +1,5 @@
 Gemfile.lock
 .bundled_gems/
+log/
+junit/
+.vagrant/

Gemfile

@@ -27,4 +27,8 @@ group :development, :test do
 
 end
 
+group :system_tests do
+  gem 'beaker-rspec', :require => false
+end
+
 # vim:ft=ruby

spec/acceptance/basic_spec.rb

@@ -0,0 +1,64 @@
+require 'spec_helper_acceptance'
+
+describe 'puppet-diskimage_builder module', :if => ['debian', 'ubuntu'].include?(os[:family]) do
+  def pp_path
+    base_path = File.dirname(__FILE__)
+    File.join(base_path, 'fixtures')
+  end
+
+  def preconditions_puppet_module
+    module_path = File.join(pp_path, 'preconditions.pp')
+    File.read(module_path)
+  end
+
+  def default_puppet_module
+    module_path = File.join(pp_path, 'default.pp')
+    File.read(module_path)
+  end
+
+  before(:all) do
+    apply_manifest(preconditions_puppet_module, catch_failures: true)
+  end
+
+  it 'should work with no errors' do
+    apply_manifest(default_puppet_module, catch_failures: true)
+  end
+
+  it 'should be idempotent' do
+    apply_manifest(default_puppet_module, catch_changes: true)
+  end
+
+  describe 'packages' do
+    describe 'required OS packages' do
+      required_packages = [
+        package('debian-keyring'),
+        package('debootstrap'),
+        package('kpartx'),
+        package('python-lzma'),
+        package('python-yaml'),
+        package('qemu-utils'),
+        package('ubuntu-keyring'),
+        package('vhd-util'),
+        package('yum'),
+        package('yum-utils'),
+      ]
+
+      required_packages.each do |package|
+        describe package do
+          it { should be_installed }
+        end
+      end
+    end
+
+    describe 'required Python packages' do
+      describe package('diskimage-builder') do
+        it { should be_installed.by('pip') }
+      end
+    end
+
+    describe ppa('openstack-ci-core/vhd-util') do
+      it { should exist }
+      it { should be_enabled }
+    end
+  end
+end

spec/acceptance/fixtures/default.pp

@@ -0,0 +1 @@
+class { '::diskimage_builder': }

spec/acceptance/fixtures/preconditions.pp

@@ -0,0 +1,7 @@
+package { 'ssl-cert':
+  ensure => present,
+}
+
+package { 'software-properties-common':
+  ensure => present,
+}