django unit tests without a db

Question

Is there a possibility to write django unittests without setting up a db? I want to test business logic which doesn\'t require the db to set up. And while it is fast to setu

Answer 1

When using the nose test runner (django-nose), you can do something like this:

my_project/lib/nodb_test_runner.py:

from django_nose import NoseTestSuiteRunner


class NoDbTestRunner(NoseTestSuiteRunner):
    """
    A test runner to test without database creation/deletion
    Used for integration tests
    """
    def setup_databases(self, **kwargs):
        pass

    def teardown_databases(self, old_config, **kwargs):
        pass

In your settings.py you can specify the test runner there, i.e.

TEST_RUNNER = 'lib.nodb_test_runner.NoDbTestRunner' . # Was 'django_nose.NoseTestSuiteRunner'

OR

I wanted it for running specific tests only, so I run it like so:

python manage.py test integration_tests/integration_*  --noinput --testrunner=lib.nodb_test_runner.NoDbTestRunner