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e8eac32901
git-svn-id: http://code.djangoproject.com/svn/django/trunk@13011 bcc190cf-cafb-0310-a4f2-bffc1f526a37
87 lines
2.9 KiB
Python
87 lines
2.9 KiB
Python
import copy
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import os
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import sys
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import time
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from unittest import TestCase
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from django.conf import Settings
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from django.db.models.loading import cache, load_app
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__test__ = {"API_TESTS": """
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Test the globbing of INSTALLED_APPS.
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>>> old_sys_path = sys.path
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>>> sys.path.append(os.path.dirname(os.path.abspath(__file__)))
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>>> old_tz = os.environ.get("TZ")
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>>> settings = Settings('test_settings')
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>>> settings.INSTALLED_APPS
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['parent.app', 'parent.app1', 'parent.app_2']
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>>> sys.path = old_sys_path
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# Undo a side-effect of installing a new settings object.
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>>> if hasattr(time, "tzset") and old_tz:
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... os.environ["TZ"] = old_tz
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... time.tzset()
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"""}
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class EggLoadingTest(TestCase):
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def setUp(self):
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self.old_path = sys.path
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self.egg_dir = '%s/eggs' % os.path.dirname(__file__)
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# This test adds dummy applications to the app cache. These
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# need to be removed in order to prevent bad interactions
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# with the flush operation in other tests.
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self.old_app_models = copy.deepcopy(cache.app_models)
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self.old_app_store = copy.deepcopy(cache.app_store)
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def tearDown(self):
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sys.path = self.old_path
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cache.app_models = self.old_app_models
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cache.app_store = self.old_app_store
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def test_egg1(self):
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"""Models module can be loaded from an app in an egg"""
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egg_name = '%s/modelapp.egg' % self.egg_dir
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sys.path.append(egg_name)
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models = load_app('app_with_models')
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self.failIf(models is None)
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def test_egg2(self):
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"""Loading an app from an egg that has no models returns no models (and no error)"""
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egg_name = '%s/nomodelapp.egg' % self.egg_dir
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sys.path.append(egg_name)
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models = load_app('app_no_models')
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self.failUnless(models is None)
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def test_egg3(self):
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"""Models module can be loaded from an app located under an egg's top-level package"""
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egg_name = '%s/omelet.egg' % self.egg_dir
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sys.path.append(egg_name)
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models = load_app('omelet.app_with_models')
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self.failIf(models is None)
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def test_egg4(self):
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"""Loading an app with no models from under the top-level egg package generates no error"""
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egg_name = '%s/omelet.egg' % self.egg_dir
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sys.path.append(egg_name)
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models = load_app('omelet.app_no_models')
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self.failUnless(models is None)
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def test_egg5(self):
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"""Loading an app from an egg that has an import error in its models module raises that error"""
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egg_name = '%s/brokenapp.egg' % self.egg_dir
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sys.path.append(egg_name)
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self.assertRaises(ImportError, load_app, 'broken_app')
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try:
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load_app('broken_app')
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except ImportError, e:
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# Make sure the message is indicating the actual
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# problem in the broken app.
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self.failUnless("modelz" in e.args[0])
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