added Coveralls configuration for code coverage

unfortunately, this proved more complex than desired - for reasons that
are not entirely clear (cf. inline comment); debugging SaaS is a pain

.travis.yml

@@ -6,5 +6,12 @@ python:
 install:
 - pip install --use-mirrors \
     `python -c 'from setup import META; print " ".join(META["extras_require"]["testing"] + META["install_requires"])'`
+- pip install coveralls
+- python setup.py develop
 
-script: make test
+script:
+- make remotes
+- coverage run --source=tiddlywebplugins/bfw setup.py test
+- coverage report -m
+
+after_success: coveralls

README

@@ -1,5 +1,6 @@
 [Barely Functioning Wiki](https://github.com/FND/tiddlywebplugins.bfw)
 [![build status](https://secure.travis-ci.org/FND/tiddlywebplugins.bfw.png)](http://travis-ci.org/FND/tiddlywebplugins.bfw)
+[![coverage](https://coveralls.io/repos/FND/tiddlywebplugins.bfw/badge.png)](https://coveralls.io/r/FND/tiddlywebplugins.bfw)
 
 wiki-like system for individuals and small teams, emphasizing micro-content and
 based on [TiddlyWeb](http://tiddlyweb.com)

setup.py

@@ -1,6 +1,8 @@
+import sys
 import os
 
 from setuptools import setup, find_packages
+from setuptools.command.test import test as TestCommand
 
 from tiddlywebplugins.bfw import (__version__ as VERSION, __author__ as AUTHOR,
         __license__ as LICENSE, __doc__ as DESC)
@@ -32,5 +34,23 @@
 }
 
 
+# entry point for tests (required because `coverage` fails to invoke `py.test`
+# in Travis CI's virtualenv)
+
+class PyTest(TestCommand):
+
+    def finalize_options(self):
+        TestCommand.finalize_options(self)
+        self.test_args = []
+        self.test_suite = True
+
+    def run_tests(self):
+        import pytest
+        errno = pytest.main(self.test_args)
+        sys.exit(errno)
+
+META['cmdclass'] = { 'test': PyTest }
+
+
 if __name__ == '__main__':
     setup(**META)