Add integration tests

tox -e integration will run ansible with the callback and run a
series of ara commands to ensure each command works.
It's basic but good coverage for low cost.

ara/tests/integration/hosts

@@ -0,0 +1 @@
+localhost  ansible_connection=local

ara/tests/integration/playbook.yml

@@ -0,0 +1,7 @@
+- name: Test playbook
+  hosts: all
+  gather_facts: no
+  tasks:
+    - name: Integration test
+      debug:
+        msg: "Integration test"

run_tests.sh

@@ -0,0 +1,4 @@
+#!/bin/bash
+# Runs ARA tests
+tox -e pep8
+tox -e integration

tox.ini

@@ -16,6 +16,24 @@ commands = python setup.py build_sphinx
 [testenv:pep8]
 commands = flake8 ara
 
+[testenv:integration]
+whitelist_externals = bash
+                      rm
+commands =
+    rm -f "{toxinidir}/ara/tests/integration/ansible.sqlite"
+    ansible-playbook -vv {toxinidir}/ara/tests/integration/playbook.yml
+    bash -c "ara host show $(ara host list -c ID -f value |head -n1)"
+    bash -c "ara play show $(ara play list -c ID -f value |head -n1)"
+    bash -c "ara playbook show $(ara playbook list -c ID -f value |head -n1)"
+    bash -c "ara result show $(ara result list -c ID -f value |head -n1)"
+    bash -c "ara stats show $(ara stats list -c ID -f value |head -n1)"
+    bash -c "ara task show $(ara task list -c ID -f value |head -n1)"
+setenv =
+    ANSIBLE_CALLBACK_PLUGINS = {toxinidir}/ara/callback
+    ANSIBLE_HOSTS = {toxinidir}/ara/tests/integration/hosts
+    ARA_DATABASE = sqlite:////{toxinidir}/ara/tests/integration/ansible.sqlite
+    PYTHONUNBUFFERED = 1
+
 [flake8]
 ignore = E402,F401
 show-source = True