test: Add new test tools with test-kitchen

.travis.yml

@@ -1,6 +1,6 @@
 ---
 rvm:
-  - 2.3.1
+  - 2.4.2
 
 sudo: true
 

Gemfile

@@ -1,3 +1,10 @@
+
+ruby '2.4.2'
+
 source 'https://rubygems.org/' do
-  gem 'kitchen-terraform', "~> 4.0"
+  gem 'aws-sdk', '~> 3.0.1'
+  gem 'awspec', '~> 1.4.0'
+  gem 'kitchen-terraform', '~> 3.1'
+  gem 'kitchen-verifier-awspec', '~> 0.1.1'
+  gem 'rhcl', '~> 0.1.0'
 end

kitchen.yml

@@ -10,7 +10,7 @@ verifier:
   name: terraform
 
 platforms:
-  - name: coreos
+  - name: aws
     verifier:
       systems:
         - name: remote
@@ -23,3 +23,7 @@ platforms:
 
 suites:
   - name: default
+    verifier:
+      name: awspec
+      patterns:
+        - test/integration/unit_tests/test_vpc.rb

test/fixtures/wrapper/test.tf

@@ -1,5 +1,5 @@
 locals {
-  "name_prefix" = "test-tf-vpc-module-"
+  name_prefix = "test-tf-vpc-module-"
 }
 
 module "vpc" {

test/integration/unit_tests/test_vpc.rb

@@ -0,0 +1,43 @@
+# frozen_string_literal: true
+
+require 'awspec'
+require 'aws-sdk'
+require 'rhcl'
+
+# should strive to randomize the region for more robust testing
+test_tf = Rhcl.parse(File.open('test/fixtures/wrapper/test.tf'))
+vpc_name = test_tf['module']['vpc']['name']
+user_tag = test_tf['module']['vpc']['tags']['Owner']
+environment_tag = test_tf['module']['vpc']['tags']['Environment']
+state_file = 'terraform.tfstate.d/kitchen-terraform-default-aws/terraform.tfstate'
+tf_state = JSON.parse(File.open(state_file).read)
+region = tf_state['modules'][0]['outputs']['region']['value']
+ENV['AWS_REGION'] = region
+
+ec2 = Aws::EC2::Client.new(region: region)
+azs = ec2.describe_availability_zones
+zone_names = azs.to_h[:availability_zones].first(2).map { |az| az[:zone_name] }
+
+describe vpc(vpc_name.to_s) do
+  it { should exist }
+  it { should be_available }
+  it { should have_tag('Name').value(vpc_name.to_s) }
+  it { should have_tag('Owner').value(user_tag.to_s) }
+  it { should have_tag('Environment').value(environment_tag.to_s) }
+  it { should have_route_table("#{vpc_name}-public") }
+  zone_names.each do |az|
+    it { should have_route_table("#{vpc_name}-private-#{az}") }
+  end
+end
+
+zone_names.each do |az|
+  describe subnet("#{vpc_name}-public-#{az}") do
+    it { should exist }
+    it { should be_available }
+    it { should belong_to_vpc(vpc_name.to_s) }
+    it { should have_tag('Name').value("#{vpc_name}-public-#{az}") }
+    it { should have_tag('Owner').value(user_tag.to_s) }
+    it { should have_tag('Environment').value(environment_tag.to_s) }
+  end
+end
+