add initial travis integration

add travis button to README

.kitchen.yml

+---
+driver:
+  name: docker
+
+driver_config:
+  use_sudo: false
+  privileged: true
+  provision_command: mkdir -p /run/sshd
+  run_command: /lib/systemd/systemd
+
+platforms:
+  - name: debian-9
+    driver_config:
+      provision_command:
+        - apt-get install udev net-tools -y
+  - name: ubuntu-18.04
+    driver_config:
+      provision_command:
+        - apt-get install udev net-tools -y
+  - name: centos-7
+    driver_config:
+      provision_command:
+        - yum install udev net-tools -y
+
+provisioner:
+  name: salt_solo
+  log_level: info
+  require_chef: false
+  salt_version: latest
+  formula: salt
+  salt_copy_filter:
+    - .kitchen
+    - .git
+  pillars:
+    top.sls:
+      base:
+        '*':
+          - salt
+    salt.sls:
+      salt:
+        master:
+          fileserver_backend:
+            - rootfs
+          file_roots:
+            base:
+              - /srv/salt
+          pillar_roots:
+            base:
+              - /srv/pillar
+        minion:
+          master: localhost
+          fileserver_backend:
+            - rootfs
+          file_roots:
+            base:
+              - /srv/salt
+          pillar_roots:
+            base:
+              - /srv/pillar
+
+verifier:
+  name: inspec
+  sudo: true
+  reporter:
+    - cli
+  inspec_tests:
+    - path: test/integration/default
+
+suites:
+  - name: salt
+    provisioner:
+      state_top:
+        base:
+          '*':
+            - salt.master
+            - salt.minion

.travis.yml

+sudo: required
+cache: bundler
+language: ruby
+
+services:
+  - docker
+
+before_install:
+  - bundle install
+
+env:
+  matrix:
+    - INSTANCE: salt-debian-9
+    - INSTANCE: salt-ubuntu-1804
+    - INSTANCE: salt-centos-7
+
+script:
+  - bundle exec kitchen verify ${INSTANCE}
+

Gemfile

+source "https://rubygems.org"
+
+gem "test-kitchen", '>=1.23.2'
+gem "kitchen-docker"
+gem "kitchen-salt", ">=0.2.5"
+gem "kitchen-inspec"
+

README.rst

@@ -2,6 +2,9 @@
 salt
 ====
 
+.. image:: https://travis-ci.com/saltstack-formulas/salt-formula.svg?branch=master
+    :target: https://travis-ci.com/saltstack-formulas
+
 Yes, Salt can Salt itself!
 
 .. note::
@@ -9,6 +12,7 @@ Yes, Salt can Salt itself!
     See the full `Salt Formulas installation and usage instructions
     <http://docs.saltstack.com/en/latest/topics/development/conventions/formulas.html>`_.
 
+
 Available states
 ================
 

test/integration/default/pkgs_spec.rb

+control 'salt packages' do
+  title 'should be installed'
+
+  describe package('salt-master') do
+    it { should be_installed }
+  end
+
+  describe package('salt-minion') do
+    it { should be_installed }
+  end
+end

test/integration/default/service_spec.rb

+control 'salt services' do
+  title 'should be running'
+
+  describe service('salt-master') do
+    it { should be_enabled }
+    it { should be_running }
+  end
+
+  describe service('salt-minion') do
+    it { should be_enabled }
+    it { should be_running }
+  end
+
+end