TST: adds coverage testing and reporting to Travis CI (#108)

.coveragerc

@@ -0,0 +1,10 @@
+[run]
+branch = True
+omit =
+    */tests*
+    */__init__.py
+
+[report]
+omit =
+    */tests*
+    */__init__.py

.travis.yml

@@ -13,14 +13,16 @@ install:
   # we can let conda do dependency resolution when there are conda packages for
   # the various QIIME 2 projects. Until then, avoid installing heavyweight
   # dependencies via pip.
-  - conda create --yes -n test-env -c biocore python=$PYTHON_VERSION scikit-bio jupyter click nose
+  - conda create --yes -n test-env -c biocore python=$PYTHON_VERSION scikit-bio jupyter click pytest pytest-cov
   - source activate test-env
   - pip install https://github.com/qiime2/qiime2/archive/master.zip
-  - pip install flake8
+  - pip install flake8 coveralls
   - pip install .
   - 'echo "backend: Agg" > matplotlibrc'
   - git clone https://github.com/qiime2/q2lint
 script:
-  - nosetests
+  - py.test --cov=q2_types
   - flake8
   - python q2lint/q2lint.py
+after_success:
+  - coveralls

README.md

@@ -1,5 +1,6 @@
 # q2-types
 
-Definitions of common QIIME 2 types.
+[![Build Status](https://travis-ci.org/qiime2/q2-types.svg?branch=master)](https://travis-ci.org/qiime2/q2-types)
+[![Coverage Status](https://coveralls.io/repos/github/qiime2/q2-types/badge.svg?branch=master)](https://coveralls.io/github/qiime2/q2-types?branch=master)
 
 This is a QIIME 2 plugin. For details on QIIME 2, see https://qiime2.org.