Add coverage

Author: master

.travis.yml

@@ -10,4 +10,6 @@ install:
   - python setup.py develop
 script:
   - black --line-length 80 --check --diff tensorflow_manopt
-  - pytest -v tensorflow_manopt
+  - pytest -v tensorflow_manopt --cov tensorflow_manopt
+after_success:
+  - coveralls

README.md

@@ -3,6 +3,7 @@
 [![PyPI version](https://img.shields.io/pypi/v/tensorflow-manopt.svg)](https://pypi.org/project/tensorflow-manopt/)
 [![DOI](https://zenodo.org/badge/298014876.svg)](https://zenodo.org/badge/latestdoi/298014876)
 [![Build Status](https://travis-ci.org/master/tensorflow-manopt.svg?branch=master)](https://travis-ci.org/master/tensorflow-manopt)
+[![Coverage Status](https://coveralls.io/repos/github/master/tensorflow-manopt/badge.svg?branch=master)](https://coveralls.io/github/master/tensorflow-manopt?branch=master)
 [![Code style: black](https://img.shields.io/badge/code%20style-black-000000.svg)](https://github.com/python/black)
 [![License](https://img.shields.io/:license-mit-blue.svg)](https://badges.mit-license.org)
 

requirements_dev.txt

@@ -1,2 +1,4 @@
 pip>=20.0.0
 black
+coveralls
+pytest-cov