Add Kitchen test

.gitignore

+.kitchen/
+Gemfile.lock

.kitchen.yml

+<%
+distrib, infos    = ENV.fetch('DISTRIB', 'debian:stretch/9').split(':')
+codename, version = infos.split('/')
+%>
+---
+driver:
+  name: docker
+  use_sudo: false
+
+provisioner:
+  name: salt_solo
+  formula: syslog_ng
+
+  # Install Salt from official repositories
+  salt_install: apt
+  salt_version: latest
+  salt_apt_repo: http://repo.saltstack.com/apt/<%= distrib %>/<%= version %>/amd64
+  salt_apt_repo_key: http://repo.saltstack.com/apt/<%= distrib %>/<%= version %>/amd64/latest/SALTSTACK-GPG-KEY.pub
+
+  # Don't install Chef
+  require_chef: false
+
+  # Configure Salt
+  state_top:
+    base:
+      '*':
+        - syslog_ng.config
+
+  pillars:
+    top.sls:
+      base:
+        '*':
+          - syslog_ng
+    syslog_ng.sls:
+      syslog_ng:
+        foo: bar
+
+platforms:
+  - name: <%= distrib %>-<%= codename %>
+    driver_config:
+      image: "<%= distrib %>:<%= codename %>"
+      platform: <%= distrib %>
+
+verifier:
+  name: inspec
+  format: progress
+
+suites:
+  - name: syslog_ng

.travis.yml

+language: ruby
+sudo: required
+cache: bundler
+rvm:
+  - 2.3.4
+services:
+  - docker
+script:
+  - bundle exec kitchen test
+env:
+  matrix:
+    - DISTRIB=debian:wheezy/7
+    - DISTRIB=debian:jessie/8
+    - DISTRIB=debian:stretch/9
+    - DISTRIB=ubuntu:xenial/16.04

Gemfile

+source 'https://rubygems.org'
+ruby '2.3.4'
+
+gem 'test-kitchen'
+gem 'kitchen-docker'
+gem 'kitchen-salt'
+gem 'kitchen-inspec'
+gem 'rake'

test/integration/syslog_ng/controls/syslog_ng.rb

+# encoding: utf-8
+
+title 'Test SyslogNG installation'
+
+describe package('syslog-ng') do
+  it { should be_installed }
+end

test/integration/syslog_ng/inspec.yml

+name: syslog_ng
+title: SyslogNG Profile
+maintainer: Nicolas Rodriguez
+copyright: Nicolas Rodriguez
+copyright_email: nicoladmin@free.fr
+license: MIT
+summary: SyslogNG Compliance Profile
+version: 0.1.0
+supports:
+  - os-name: debian