mirror of https://github.com/django/django.git
84 lines
3.0 KiB
Python
84 lines
3.0 KiB
Python
import os
|
|
|
|
from django.apps import apps
|
|
from django.test import SimpleTestCase
|
|
from django.test.utils import extend_sys_path
|
|
|
|
|
|
class EggLoadingTest(SimpleTestCase):
|
|
def setUp(self):
|
|
self.egg_dir = "%s/eggs" % os.path.dirname(__file__)
|
|
|
|
def tearDown(self):
|
|
apps.clear_cache()
|
|
|
|
def test_egg1(self):
|
|
"""Models module can be loaded from an app in an egg"""
|
|
egg_name = "%s/modelapp.egg" % self.egg_dir
|
|
with extend_sys_path(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)
|
|
del apps.all_models["app_with_models"]
|
|
|
|
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
|
|
with extend_sys_path(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)
|
|
del apps.all_models["app_no_models"]
|
|
|
|
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
|
|
with extend_sys_path(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)
|
|
del apps.all_models["app_with_models"]
|
|
|
|
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
|
|
with extend_sys_path(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)
|
|
del apps.all_models["app_no_models"]
|
|
|
|
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
|
|
with extend_sys_path(egg_name):
|
|
with self.assertRaisesMessage(ImportError, "modelz"):
|
|
with self.settings(INSTALLED_APPS=["broken_app"]):
|
|
pass
|
|
|
|
|
|
class GetModelsTest(SimpleTestCase):
|
|
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()])
|