Add test coverage reporting and a coverage badge

.coveragerc

@@ -0,0 +1,2 @@
+[run]
+source = django_u2f

.gitignore

@@ -6,4 +6,7 @@ db.sqlite3
 testproj/localhost.*
 
 # Unit test / coverage reports
+htmlcov/
 .tox/
+.coverage
+.coverage.*

.travis.yml

@@ -29,6 +29,10 @@ install:
   - pip install --upgrade pip wheel
   - pip install -q $DJANGO_PACKAGE 
   - pip install -e .
-  - pip install -r ./testproj/requirements.txt
+  - pip install -r dev-requirements.txt
   - pip freeze
-script: ./testproj/manage.py test testproj
+script:
+  - coverage run testproj/manage.py test testproj
+  - coverage report
+after_success:
+  - coveralls

README.rst

@@ -5,6 +5,10 @@ Django U2F
     :alt: Build Status
     :target: https://travis-ci.org/gavinwahl/django-u2f
 
+.. image:: https://coveralls.io/repos/gavinwahl/django-u2f/badge.svg?branch=master
+    :alt: Test Coverage
+    :target: https://coveralls.io/r/gavinwahl/django-u2f?branch=master
+
 django-u2f provides support for FIDO U2F security tokens in Django. The
 functionality is similar to the `Security Key two-factor authentication that
 Google recently announced

dev-requirements.txt

@@ -0,0 +1,3 @@
+coverage
+coveralls
+-r testproj/requirements.txt

tox.ini

@@ -6,10 +6,13 @@ envlist =
     py27-django18,
 
 [testenv]
+usedevelop = True
 deps =
     django16: Django>=1.6,<1.7
     django17: Django>=1.7,<1.8
     django18: Django>=1.8,<1.9
-    -rtestproj/requirements.txt
+    -rdev-requirements.txt
 commands =
-    python testproj/manage.py test testproj
+    coverage run testproj/manage.py test testproj
+    coverage report
+    coverage html