load django fixture sets on a test by test basis

gistfile1.py

"""
Decorate a method inside of a django TestCase test runner instance to allow you to load fixtures on a per test basis

Useage::
    from tests.decorators import load_fixtures
    
    MyTestCase(TestCase):
        
        @load_fixtures(['fixtures.json'])
        def test_load_fixtures(self):
            self.assertTrue()
            ...

"""

from functools import wraps

from django.utils.decorators import available_attrs


def load_fixtures(fixtures):

    def decorator(test_fn):
        def _wrapped(test_case, *args, **kwargs):
            test_case.fixtures = fixtures
            test_case._fixture_setup()
            test_case.fixtures = []
            return test_fn(test_case, *args, **kwargs)
        return wraps(test_fn, assigned=available_attrs(test_fn))(_wrapped)
    return decorator