mirror of
https://github.com/django/django.git
synced 2024-11-29 06:03:25 +01:00
82 lines
3.0 KiB
Python
82 lines
3.0 KiB
Python
from __future__ import unicode_literals
|
|
|
|
import os
|
|
import sys
|
|
|
|
from django.apps import apps
|
|
from django.test import TestCase
|
|
from django.utils._os import upath
|
|
from django.utils import six
|
|
|
|
|
|
class EggLoadingTest(TestCase):
|
|
|
|
def setUp(self):
|
|
self.old_path = sys.path[:]
|
|
self.egg_dir = '%s/eggs' % os.path.dirname(upath(__file__))
|
|
|
|
# The models need to be removed after the test in order to prevent bad
|
|
# interactions with the flush operation in other tests.
|
|
self._old_models = apps.all_models['app_loading'].copy()
|
|
|
|
def tearDown(self):
|
|
apps.all_models['app_loading'] = self._old_models
|
|
apps.clear_cache()
|
|
|
|
sys.path = self.old_path
|
|
|
|
def test_egg1(self):
|
|
"""Models module can be loaded from an app in an egg"""
|
|
egg_name = '%s/modelapp.egg' % self.egg_dir
|
|
sys.path.append(egg_name)
|
|
with self.settings(INSTALLED_APPS=['app_with_models']):
|
|
models_module = apps.get_app_config('app_with_models').models_module
|
|
self.assertIsNotNone(models_module)
|
|
|
|
def test_egg2(self):
|
|
"""Loading an app from an egg that has no models returns no models (and no error)"""
|
|
egg_name = '%s/nomodelapp.egg' % self.egg_dir
|
|
sys.path.append(egg_name)
|
|
with self.settings(INSTALLED_APPS=['app_no_models']):
|
|
models_module = apps.get_app_config('app_no_models').models_module
|
|
self.assertIsNone(models_module)
|
|
|
|
def test_egg3(self):
|
|
"""Models module can be loaded from an app located under an egg's top-level package"""
|
|
egg_name = '%s/omelet.egg' % self.egg_dir
|
|
sys.path.append(egg_name)
|
|
with self.settings(INSTALLED_APPS=['omelet.app_with_models']):
|
|
models_module = apps.get_app_config('app_with_models').models_module
|
|
self.assertIsNotNone(models_module)
|
|
|
|
def test_egg4(self):
|
|
"""Loading an app with no models from under the top-level egg package generates no error"""
|
|
egg_name = '%s/omelet.egg' % self.egg_dir
|
|
sys.path.append(egg_name)
|
|
with self.settings(INSTALLED_APPS=['omelet.app_no_models']):
|
|
models_module = apps.get_app_config('app_no_models').models_module
|
|
self.assertIsNone(models_module)
|
|
|
|
def test_egg5(self):
|
|
"""Loading an app from an egg that has an import error in its models module raises that error"""
|
|
egg_name = '%s/brokenapp.egg' % self.egg_dir
|
|
sys.path.append(egg_name)
|
|
with six.assertRaisesRegex(self, ImportError, 'modelz'):
|
|
with self.settings(INSTALLED_APPS=['broken_app']):
|
|
pass
|
|
|
|
|
|
class GetModelsTest(TestCase):
|
|
def setUp(self):
|
|
from .not_installed import models
|
|
self.not_installed_module = models
|
|
|
|
def test_get_model_only_returns_installed_models(self):
|
|
with self.assertRaises(LookupError):
|
|
apps.get_model("not_installed", "NotInstalledModel")
|
|
|
|
def test_get_models_only_returns_installed_models(self):
|
|
self.assertNotIn(
|
|
"NotInstalledModel",
|
|
[m.__name__ for m in apps.get_models()])
|