Updated Coverage Usage

This instantiation of coverage ensures coverage is loaded before any code being tested. This eliminates the need for to instruct coverage to omit numerous files, and ensures coverage reporting is accurate.

.coveragerc

 [run]
 data_file = .coverage
 omit = ecommerce/settings*
-    # Custom code in the user app is covered, but something about the way Django 1.7
-    # loads models causes the rest of the app to appear uncovered. The result is
-    # skewed coverage stats, which is why the app is omitted from coverage reports.
-    ecommerce/user*
-
-    # Custom code in the order models app is covered, but the same issue described
-    # above causes all other code in the model to appear uncovered, resulting in
-    # skewed coverage stats.
-    ecommerce/extensions/order/models*
-    ecommerce/extensions/payment/constants*
-    ecommerce/extensions/payment/models*
-
-    ecommerce/extensions/refund/exceptions*
-    ecommerce/extensions/refund/models*
-    ecommerce/extensions/refund/status*
-
-    # The fulfillment app's status module only contains constants, which don't require
-    # test coverage.
-    ecommerce/extensions/fulfillment/status.py
-
-    # These files are loaded before coverage, thus they are falsely marked as not covered.
-    ecommerce/extensions/checkout/apps.py
-    ecommerce/extensions/checkout/signals.py
-    ecommerce/extensions/fulfillment/apps.py
-    ecommerce/extensions/fulfillment/signals.py
-
+    ecommerce/conf*
     *wsgi.py
     *migrations*
     *admin.py
     *test*
     *static*
-    *conf*
     *templates*

Makefile

@@ -35,8 +35,9 @@ clean:
 	coverage erase
 
 test_python: clean
-	DISABLE_MIGRATIONS=True python manage.py test ecommerce --settings=ecommerce.settings.test --with-coverage \
-	--cover-package=ecommerce --with-ignore-docstrings
+	DISABLE_MIGRATIONS=True coverage run --branch --source=ecommerce ./manage.py test ecommerce \
+	--settings=ecommerce.settings.test --with-ignore-docstrings
+	coverage report
 
 quality:
 	pep8 --config=.pep8 ecommerce acceptance_tests