| 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()]) |
|
|
