Add code coverage metric (#15)

* Add codecov report

* Move codecov in after_script sectiuon

* Fix travis install

* Set travis dist: xenial

* Fix travis pip install

* Add codecov badge in README

.travis.yml

@@ -1,4 +1,7 @@
 language: generic
+
+dist: xenial
+
 services:
   - docker
 
@@ -7,9 +10,15 @@ env:
     - ROS_DISTRO="indigo"
     - ROS_DISTRO="kinetic"
     - ROS_DISTRO="lunar"
-    - ROS_DISTRO="melodic"    
+    - ROS_DISTRO="melodic"
 
 install:
   - git clone --quiet --depth 1 https://github.com/ros-industrial/industrial_ci.git .ci
+  - pip install --user codecov nose
+
 script:
   - .ci/travis.sh
+
+after_script:
+  - cd mapek_framework/src && nosetests --cover-package=mapek_framework --with-coverage && codecov
+

README.md

@@ -1,6 +1,7 @@
 # ROS MAPE-K Framework
 
 [![Build Status](https://travis-ci.org/imcatta/ros_mapek_framework.svg?branch=master)](https://travis-ci.org/imcatta/ros_mapek_framework)
+[![codecov](https://codecov.io/gh/imcatta/ros_mapek_framework/branch/master/graph/badge.svg)](https://codecov.io/gh/imcatta/ros_mapek_framework)
 [![Documentation Status](https://readthedocs.org/projects/ros-mape-k-framework/badge/?version=latest)](https://ros-mape-k-framework.readthedocs.io/en/latest/?badge=latest)
 
 A simple framework that help developers build [ROS](http://ros.org) applications based on the MAPE-K pattern. Full documentation is available at [ros-mape-k-framework.readthedocs.io](https://ros-mape-k-framework.readthedocs.io).