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3904b74a3f
Thanks Clueless for the initial patch. Note that unittest has been purposely left out (external package only used by Python 2.6).
110 lines
3.8 KiB
Python
110 lines
3.8 KiB
Python
from __future__ import absolute_import
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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 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 as 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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