from django.test import TestCase

from constance import settings
from tests.storage import StorageTestsMixin


class TestMemory(StorageTestsMixin, TestCase):
    def setUp(self):
        self.old_backend = settings.BACKEND
        settings.BACKEND = 'constance.backends.memory.MemoryBackend'
        super().setUp()
        self.config._backend._storage = {}

    def tearDown(self):
        self.config._backend._storage = {}
        settings.BACKEND = self.old_backend