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Code Issues 32 Releases Wiki Activity

Moved sys.path-extending decorator to django.test.utils and used throughout test suite.

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Thanks Aymeric for the suggestion.
This commit is contained in:
Carl Meyer
2014-01-25 22:50:40 -07:00
parent 8bc3780b67
commit ca95f8e435
6 changed files with 85 additions and 94 deletions
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44
tests/app_loading/tests.py
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@@ -1,10 +1,10 @@
from __future__ import unicode_literals
import os
import sys
from django.apps import apps
from django.test import TestCase
from django.test.utils import extend_sys_path
from django.utils._os import upath
from django.utils import six
@@ -12,56 +12,54 @@ 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__))
def tearDown(self):
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)
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
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)
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
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)
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
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)
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
sys.path.append(egg_name)
with six.assertRaisesRegex(self, ImportError, 'modelz'):
with self.settings(INSTALLED_APPS=['broken_app']):
pass
with extend_sys_path(egg_name):
with six.assertRaisesRegex(self, ImportError, 'modelz'):
with self.settings(INSTALLED_APPS=['broken_app']):
pass
class GetModelsTest(TestCase):