.travis.yml

---
  sudo: required

  env:
    - distribution: ubuntu
      version: 14.04
      init: /sbin/init
      run_opts: ''
      playbook: travis_test.yml

  branches:
    only:
      - master

  services:
    - docker

  before_install:
    # Pull OS container
    - 'sudo docker pull ${distribution}:${version}'
    # Build customisations
    - 'sudo docker build --rm=true --file=tests/Dockerfile.${distribution}-${version} --tag=${distribution}-${version}:ansible tests'

  script:
    # Create container_id
    - container_id=$(mktemp)
    # Run container in detached mode
    - 'sudo docker run --detach --volume="${PWD}":/etc/ansible/roles/role_under_test:ro ${run_opts} ${distribution}-${version}:ansible "${init}" > "${container_id}"'
    # Ansible syntax check
    - 'sudo docker exec --tty "$(cat ${container_id})" env TERM=xterm ansible-playbook /etc/ansible/roles/role_under_test/tests/${playbook} --syntax-check'
    # Run role tests
    - 'sudo docker exec --tty "$(cat ${container_id})" env TERM=xterm ansible-playbook /etc/ansible/roles/role_under_test/tests/${playbook}'
    # Run role idempotence tests
    - >
      sudo docker exec "$(cat ${container_id})" ansible-playbook /etc/ansible/roles/role_under_test/tests/${playbook}
      | grep -q 'unreachable=0.*failed=0'
      && (echo 'Idempotence test: pass' && exit 0)
      || (echo 'Idempotence test: fail' && exit 1)
    # Clean up
    - sudo docker stop "$(cat ${container_id})"