Use pytest as testrunner instead of nose

requirements.txt

 # Testing
 django-dynamic-fixture==1.8.1
 coverage==3.7.1
-django-nose==1.4
 spec==0.11.1
 WebTest==2.0.17
 django-webtest==1.7.7
+pytest==2.7.0
+pytest-cache==1.0
+pytest-cov==1.8.1
+pytest-django==2.8.0
+pytest-xdist==1.11
 tox==1.8.1
 coveralls==0.4.4
 behave==1.2.4

runtests.py

 Run all checkout unit tests (using spec output)
 $ ./runtests.py tests/unit/checkout
 
-Run all tests relating to shipping
-$ ./runtests.py --attr=shipping
-
-Re-run failing tests (needs to be run twice to first build the index)
-$ ./runtests.py ... --failed
+Re-run failing tests (requires pytest-cache)
+$ ./runtests.py ... --lf
 
 Drop into pdb when a test fails
-$ ./runtests.py ... --pdb-failures
+$ ./runtests.py ... --pdb
 """
 
 import os
+import multiprocessing
 import sys
 import logging
 import warnings
 
-import django
+import pytest
 from django.utils.six.moves import map
 
 # No logging
 logging.disable(logging.CRITICAL)
 
 
-def run_tests(verbosity, *test_args):
-    from django_nose import NoseTestSuiteRunner
-    test_runner = NoseTestSuiteRunner(verbosity=verbosity)
-    if not test_args:
-        test_args = ['tests']
-    num_failures = test_runner.run_tests(test_args)
-    if num_failures:
-        sys.exit(num_failures)
-
-
 if __name__ == '__main__':
     args = sys.argv[1:]
 
     if not args:
         # If run with no args, try and run the testsuite as fast as possible.
         # That means across all cores and with no high-falutin' plugins.
-        args = ['--nocapture', '--stop', '--processes=-1', 'tests']
+
+        try:
+            cpu_count = int(multiprocessing.cpu_count())
+        except ValueError:
+            cpu_count = 1
+
+        args = [
+            '--capture=no', '--nomigrations', '-n=%d' % cpu_count,
+            'tests'
+        ]
     else:
         # Some args/options specified.  Check to see if any nose options have
         # been specified.  If they have, then don't set any
         has_options = any(map(lambda x: x.startswith('--'), args))
         if not has_options:
             # Default options:
-            # --stop Abort on first error/failure
-            # --nocapture Don't capture STDOUT
-            args.extend(['--nocapture', '--stop'])
+            # --exitfirst Abort on first error/failure
+            # --capture=no Don't capture STDOUT
+            args.extend(['--capture=no', '--nomigrations', '--exitfirst'])
         else:
-            # Remove options as nose will pick these up from sys.argv
-            for arg in args:
-                if arg.startswith('--verbosity'):
-                    verbosity = int(arg[-1])
             args = [arg for arg in args if not arg.startswith('-')]
 
     with warnings.catch_warnings():
             'ignore', r'.*', DeprecationWarning, libs)
 
         os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'tests.settings')
-        django.setup()
-        run_tests(verbosity, *args)
+        pytest.main(args)

setup.cfg

 
 [pytest]
 python_files=test_*.py *tests.py
+addopts = --nomigrations
+norecursedirs = .* *.egg sites src

tests/settings.py

 OSCAR_INITIAL_LINE_STATUS = 'a'
 OSCAR_LINE_STATUS_PIPELINE = {'a': ('b', ), 'b': ()}
 
-# Setting this explicitly prevents Django 1.7+ from showing a
-# warning regarding a changed default test runner. The Oscar test
-# suite is run with nose, so it does not matter.
-SILENCED_SYSTEM_CHECKS = ['1_6.W001']
-
 SECRET_KEY = 'notverysecret'