.travis.yml

---
language: python
python: "2.7"
sudo: required

env:
  - PLAYBOOK=test.yml

before_install:
  # Remove any PostgreSQL package to ensure a clean starting state
  - sudo apt-get remove --purge 'postgresql*'
  - sudo apt-get autoremove
  - sudo apt-get autoclean
  - sudo rm -rf /var/lib/postgresql

install:
  # Install Ansible.
  - pip install ansible

  # Add ansible.cfg 
  - "{ echo '[defaults]'; echo 'roles_path = ../'; echo 'allow_world_readable_tmpfiles=true'; } >> ansible.cfg"

script:
  # Check the role/playbook's syntax.
  - "ansible-playbook -i tests/inventory tests/$PLAYBOOK --syntax-check"

  # Run the role/playbook with ansible-playbook.
  - "ansible-playbook -i tests/inventory tests/$PLAYBOOK --connection=local --become"

  # Run the role/playbook again, checking to make sure it's idempotent.
  - >
    ansible-playbook -i tests/inventory tests/$PLAYBOOK --connection=local --become
    | grep -q 'changed=0.*failed=0'
    && (echo 'Idempotence test: pass' && exit 0)
    || (echo 'Idempotence test: fail' && exit 1)