40_solution.md

It's easy to change.

• unittest2 discovery
• TEST_RUNNER setting

.notes The hipsters like nose or py.test, but unittest2 gets the job done.

@@@ python
class DiscoveryRunner(DjangoTestSuiteRunner):
    """A test suite runner using unittest2 discovery."""
    def build_suite(self, test_labels, **kwargs):

        suite = None
        discovery_root = settings.TEST_DISCOVERY_ROOT

        if test_labels:
            suite = defaultTestLoader.loadTestsFromNames(
                test_labels)

        if suite is None:
            suite = defaultTestLoader.discover(
                discovery_root,
                top_level_dir=settings.BASE_PATH,
                )

        return reorder_suite(suite, (TestCase,))

.notes (Enhanced version in the code online with the slides.)

settings.py

@@@ python
import os.path

BASE_PATH = os.path.dirname(os.path.dirname(__file__))

TEST_DISCOVERY_ROOT = os.path.join(BASE_PATH, "tests")

TEST_RUNNER = "tests.runner.DiscoveryRunner"

\o/

• Discovers tests wherever you want them.
• Doesn't run tests from external apps by default.
• Flexible specification of specific tests to run: Python dotted path to test module, not Django app label.
• ./manage.py test tests.quotes.test_views

Maybe in 1.5?

• https://code.djangoproject.com/ticket/17365

.notes django-nose is good too, but this could actually go in Django.