vagrant and chef install everything

ops/cookbooks/vendor/change-me/app/spec/unit/recipes/default_spec.rb

@@ -0,0 +1,35 @@
+#
+# Cookbook:: app
+# Spec:: default
+#
+# Copyright:: 2019, The Authors, All Rights Reserved.
+
+require 'spec_helper'
+
+describe 'app::default' do
+  context 'When all attributes are default, on Ubuntu 16.04' do
+    let(:chef_run) do
+      # for a complete list of available platforms and versions see:
+      # https://github.com/customink/fauxhai/blob/master/PLATFORMS.md
+      runner = ChefSpec::ServerRunner.new(platform: 'ubuntu', version: '16.04')
+      runner.converge(described_recipe)
+    end
+
+    it 'converges successfully' do
+      expect { chef_run }.to_not raise_error
+    end
+  end
+
+  context 'When all attributes are default, on CentOS 7.4.1708' do
+    let(:chef_run) do
+      # for a complete list of available platforms and versions see:
+      # https://github.com/customink/fauxhai/blob/master/PLATFORMS.md
+      runner = ChefSpec::ServerRunner.new(platform: 'centos', version: '7.4.1708')
+      runner.converge(described_recipe)
+    end
+
+    it 'converges successfully' do
+      expect { chef_run }.to_not raise_error
+    end
+  end
+end