mirror of
https://github.com/encode/django-rest-framework.git
synced 2024-09-21 11:29:01 +03:00
64 lines
1.9 KiB
Python
64 lines
1.9 KiB
Python
# http://djangosnippets.org/snippets/1011/
|
|
from django.conf import settings
|
|
from django.core.management import call_command
|
|
from django.db.models import loading
|
|
from django.test import TestCase
|
|
|
|
NO_SETTING = ('!', None)
|
|
|
|
class TestSettingsManager(object):
|
|
"""
|
|
A class which can modify some Django settings temporarily for a
|
|
test and then revert them to their original values later.
|
|
|
|
Automatically handles resyncing the DB if INSTALLED_APPS is
|
|
modified.
|
|
|
|
"""
|
|
def __init__(self):
|
|
self._original_settings = {}
|
|
|
|
def set(self, **kwargs):
|
|
for k,v in kwargs.iteritems():
|
|
self._original_settings.setdefault(k, getattr(settings, k,
|
|
NO_SETTING))
|
|
setattr(settings, k, v)
|
|
if 'INSTALLED_APPS' in kwargs:
|
|
self.syncdb()
|
|
|
|
def syncdb(self):
|
|
loading.cache.loaded = False
|
|
call_command('syncdb', verbosity=0)
|
|
|
|
def revert(self):
|
|
for k,v in self._original_settings.iteritems():
|
|
if v == NO_SETTING:
|
|
delattr(settings, k)
|
|
else:
|
|
setattr(settings, k, v)
|
|
if 'INSTALLED_APPS' in self._original_settings:
|
|
self.syncdb()
|
|
self._original_settings = {}
|
|
|
|
|
|
class SettingsTestCase(TestCase):
|
|
"""
|
|
A subclass of the Django TestCase with a settings_manager
|
|
attribute which is an instance of TestSettingsManager.
|
|
|
|
Comes with a tearDown() method that calls
|
|
self.settings_manager.revert().
|
|
|
|
"""
|
|
def __init__(self, *args, **kwargs):
|
|
super(SettingsTestCase, self).__init__(*args, **kwargs)
|
|
self.settings_manager = TestSettingsManager()
|
|
|
|
def tearDown(self):
|
|
self.settings_manager.revert()
|
|
|
|
class TestModelsTestCase(SettingsTestCase):
|
|
def setUp(self, *args, **kwargs):
|
|
installed_apps = tuple(settings.INSTALLED_APPS) + ('rest_framework.tests',)
|
|
self.settings_manager.set(INSTALLED_APPS=installed_apps)
|