Add coverage to travis and setup.py test

.travis.yml

@@ -8,6 +8,7 @@ before_install:
 install:
   - gem install sass
   - gem install compass
+  - pip install coveralls
   - pip install prospector
   - make
 services:
@@ -19,6 +20,8 @@ script:
   - hypothesis-buildext production.ini chrome --base https://hypothes.is --assets chrome-extension://notarealkey/public
   - hypothesis-buildext development.ini firefox --base http://localhost
   - hypothesis-buildext production.ini firefox --base https://hypothes.is --assets resource://notarealkey/hypothesis/data
+after_success:
+  - coveralls
 notifications:
   irc:
     channels:

README.rst

@@ -4,6 +4,9 @@ Hypothesis
 .. image:: https://travis-ci.org/hypothesis/h.svg?branch=master
    :target: https://travis-ci.org/hypothesis/h
    :alt: Build Status
+.. image:: https://coveralls.io/repos/hypothesis/h/badge.svg
+   :target: https://coveralls.io/r/hypothesis/h
+   :alt: Code Coverage
 .. image:: https://landscape.io/github/hypothesis/h/master/landscape.svg?style=flat
    :target: https://landscape.io/github/hypothesis/h/master
    :alt: Code Health

setup.py

@@ -7,10 +7,20 @@
 
 
 class PyTest(TestCommand):
+    user_options = [
+        ('cov', None, 'measure coverage')
+    ]
+
+    def initialize_options(self):
+        TestCommand.initialize_options(self)
+        self.cov = None
+
     def finalize_options(self):
         TestCommand.finalize_options(self)
         self.test_args = ['h']
         self.test_suite = True
+        if self.cov:
+            self.test_args += ['--cov', 'h']
 
     def run_tests(self):
         import pytest