126 lines
4.3 KiB
Python
126 lines
4.3 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 django.conf import Settings
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from django.db.models.loading import cache, load_app, get_model, get_models
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from django.utils.unittest import TestCase
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class InstalledAppsGlobbingTest(TestCase):
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def setUp(self):
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self.OLD_SYS_PATH = sys.path[:]
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sys.path.append(os.path.dirname(os.path.abspath(__file__)))
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self.OLD_TZ = os.environ.get("TZ")
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def test_globbing(self):
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settings = Settings('test_settings')
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self.assertEqual(settings.INSTALLED_APPS, ['parent.app', 'parent.app1', 'parent.app_2'])
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def tearDown(self):
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sys.path = self.OLD_SYS_PATH
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if hasattr(time, "tzset") and self.OLD_TZ:
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os.environ["TZ"] = self.OLD_TZ
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time.tzset()
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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.assertFalse(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.assertTrue(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.assertFalse(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.assertTrue(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.assertTrue("modelz" in e.args[0])
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class GetModelsTest(TestCase):
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def setUp(self):
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from .not_installed import models
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self.not_installed_module = models
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def test_get_model_only_returns_installed_models(self):
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self.assertEqual(
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get_model("not_installed", "NotInstalledModel"), None)
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def test_get_model_with_not_installed(self):
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self.assertEqual(
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get_model(
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"not_installed", "NotInstalledModel", only_installed=False),
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self.not_installed_module.NotInstalledModel)
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def test_get_models_only_returns_installed_models(self):
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self.assertFalse(
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"NotInstalledModel" in
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[m.__name__ for m in get_models()])
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def test_get_models_with_app_label_only_returns_installed_models(self):
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self.assertEqual(get_models(self.not_installed_module), [])
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def test_get_models_with_not_installed(self):
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self.assertTrue(
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"NotInstalledModel" in [
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m.__name__ for m in get_models(only_installed=False)])
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class NotInstalledModelsTest(TestCase):
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def test_related_not_installed_model(self):
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from .not_installed.models import NotInstalledModel
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self.assertEqual(
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set(NotInstalledModel._meta.get_all_field_names()),
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set(["id", "relatedmodel", "m2mrelatedmodel"]))
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