output.txt

Module                        Attempted Failed
app.informant                 10        0
app.v1                        0         0
app.v1.backend_api            0         0
app.v1.account_api            6         0
app.v1.webhook_api            2         0

test.py

#!/usr/bin/env python
import doctest
import operator
import pkgutil
import importlib

import app # Import our application for testing

print '''{0:<40}{1:<10}{2}'''.format('Module', 'Attempted', 'Failed')
for mod in map(importlib.import_module, map(operator.itemgetter(1), pkgutil.walk_packages(app.__path__, app.__name__ + '.'))):
	print '''{0:<40}{1.attempted:<10}{1.failed}'''.format(
		mod.__name__,
		doctest.testmod(mod, report=True),
	)