Extended test runner to generate coverage stats

.gitignore

 sandbox/assets/*
 .idea
 TODO
+.coverage
+htmlcov/*

run_tests.py

 import os
 import logging
 from optparse import OptionParser
+from coverage import coverage
 
 import tests.config
 
     test_runner = DjangoTestSuiteRunner(verbosity=1)
     if not test_args:
         test_args = ['oscar']
-    failures = test_runner.run_tests(test_args)
-    sys.exit(failures)
+    num_failures = test_runner.run_tests(test_args)
+    if num_failures:
+        sys.exit(num_failures)
 
 if __name__ == '__main__':
     parser = OptionParser()
+    parser.add_option('-c', '--coverage', dest='use_coverage', default=False,
+                      action='store_true', help="Generate coverage report")
     (options, args) = parser.parse_args()
-    run_tests(*args)
+
+    if options.use_coverage:
+        print 'Running tests with coverage'
+        c = coverage(source=['oscar'])
+        c.start()
+        run_tests(*args)
+        c.stop()
+        print 'Generate HTML reports'
+        c.html_report()
+    else:
+        print 'Running tests'
+        run_tests(*args)

sandbox/templates/layout.html

 {% extends "base.html" %}
 
 {% load currency_filters %}
-{% load promotions %}
+{% load promotion_tags %}
 {% load category_tags %}
 
 {% block layout %}

tests/templates/layout.html

 {% extends "base.html" %}
 
 {% load currency_filters %}
-{% load promotions %}
+{% load promotion_tags %}
 {% load category_tags %}
 
 {% block layout %}