Django: Run tests on production/local database. Keeps database structure and data after.

run_tests_on_production_base.txt

# DJANGO VERSION: 1.10.7

terminal

 python manage.py test--settings=path.to.test_settings --keepdb

test.py

from django.test.testcases import TransactionTestCase
from django.test.runner import DiscoverRunner

class CustomTestRunner(DiscoverRunner):

    def setup_databases(self, **kwargs):
        pass

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

    def teardown_test_environment(self, **kwargs):
        pass


class TestSearch(TransactionTestCase):

    def test_body(self):
        # your tests
        pass

    def tearDown(self):
        pass

    def _post_teardown(self):
        # don't remove data after test
        pass

test_settings.py

DATABASES = {
    'default': {
        'ENGINE': 'engine',
        'NAME': 'immortal_db',
        'USER': 'user',
        'PASSWORD': 'user',
        'TEST': {
            'NAME': 'immortal_db'
        }
    }
}

TEST_RUNNER = 'path.to.class.CustomTestRunner'