Add test coverage (#129)

Dockerfile

 FROM zasdfgbnm/pytorch-master
 RUN pacman -Sy --noconfirm python-sphinx python2-sphinx python-tqdm python2-tqdm python2-matplotlib python-matplotlib python-pillow python2-pillow flake8
-RUN pip install tensorboardX sphinx-gallery ase && pip2 install tensorboardX sphinx-gallery ase
+RUN pip install tensorboardX sphinx-gallery ase codecov nose && pip2 install tensorboardX sphinx-gallery ase codecov nose
 COPY . /torchani
 RUN cd torchani && pip install .
 RUN cd torchani && pip2 install .

codefresh.yml

@@ -18,8 +18,9 @@ steps:
     image: '${{BuildTorchANI}}'
     commands:
       - find . -name '*.pyc' -delete
-      - python setup.py test
+      - python setup.py nosetests
       # - python2 setup.py test
+      - codecov
 
   Tools:
     image: '${{BuildTorchANI}}'

setup.cfg

+[nosetests]
+verbosity=3
+detailed-errors=1
+with-coverage=1
+cover-package=torchani
\ No newline at end of file

setup.py

@@ -22,6 +22,7 @@ setup_attrs = {
         'tensorboardX',
         'tqdm',
         'ase',
+        'coverage',
     ],
 }