django/tests/regressiontests/settings_tests/tests.py

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from __future__ import with_statement
import os
from django.conf import settings, global_settings
from django.test import TransactionTestCase, TestCase, signals
from django.test.utils import override_settings
# @override_settings(TEST='override')
class FullyDecoratedTranTestCase(TransactionTestCase):
def test_override(self):
self.assertEqual(settings.TEST, 'override')
@override_settings(TEST='override2')
def test_method_override(self):
self.assertEqual(settings.TEST, 'override2')
def test_decorated_testcase_name(self):
self.assertEquals(FullyDecoratedTranTestCase.__name__, 'FullyDecoratedTranTestCase')
def test_decorated_testcase_module(self):
self.assertEquals(FullyDecoratedTranTestCase.__module__, __name__)
FullyDecoratedTranTestCase = override_settings(TEST='override')(FullyDecoratedTranTestCase)
# @override_settings(TEST='override')
class FullyDecoratedTestCase(TestCase):
def test_override(self):
self.assertEqual(settings.TEST, 'override')
@override_settings(TEST='override2')
def test_method_override(self):
self.assertEqual(settings.TEST, 'override2')
FullyDecoratedTestCase = override_settings(TEST='override')(FullyDecoratedTestCase)
class ClassDecoratedTestCaseSuper(TestCase):
"""
Dummy class for testing max recursion error in child class call to
super(). Refs #17011.
"""
def test_max_recursion_error(self):
pass
class ClassDecoratedTestCase(ClassDecoratedTestCaseSuper):
def test_override(self):
self.assertEqual(settings.TEST, 'override')
@override_settings(TEST='override2')
def test_method_override(self):
self.assertEqual(settings.TEST, 'override2')
def test_max_recursion_error(self):
"""
Overriding a method on a super class and then calling that method on
the super class should not trigger infinite recursion. See #17011.
"""
try:
super(ClassDecoratedTestCase, self).test_max_recursion_error()
except RuntimeError, e:
self.fail()
ClassDecoratedTestCase = override_settings(TEST='override')(ClassDecoratedTestCase)
class SettingGetter(object):
def __init__(self):
self.test = getattr(settings, 'TEST', 'undefined')
testvalue = None
def signal_callback(sender, setting, value, **kwargs):
if setting == 'TEST':
global testvalue
testvalue = value
signals.setting_changed.connect(signal_callback)
class SettingsTests(TestCase):
def test_override(self):
settings.TEST = 'test'
self.assertEqual('test', settings.TEST)
with self.settings(TEST='override'):
self.assertEqual('override', settings.TEST)
self.assertEqual('test', settings.TEST)
del settings.TEST
def test_override_change(self):
settings.TEST = 'test'
self.assertEqual('test', settings.TEST)
with self.settings(TEST='override'):
self.assertEqual('override', settings.TEST)
settings.TEST = 'test2'
self.assertEqual('test', settings.TEST)
del settings.TEST
def test_override_doesnt_leak(self):
self.assertRaises(AttributeError, getattr, settings, 'TEST')
with self.settings(TEST='override'):
self.assertEqual('override', settings.TEST)
settings.TEST = 'test'
self.assertRaises(AttributeError, getattr, settings, 'TEST')
@override_settings(TEST='override')
def test_decorator(self):
self.assertEqual('override', settings.TEST)
def test_context_manager(self):
self.assertRaises(AttributeError, getattr, settings, 'TEST')
override = override_settings(TEST='override')
self.assertRaises(AttributeError, getattr, settings, 'TEST')
override.enable()
self.assertEqual('override', settings.TEST)
override.disable()
self.assertRaises(AttributeError, getattr, settings, 'TEST')
def test_class_decorator(self):
self.assertEqual(SettingGetter().test, 'undefined')
DecoratedSettingGetter = override_settings(TEST='override')(SettingGetter)
self.assertEqual(DecoratedSettingGetter().test, 'override')
self.assertRaises(AttributeError, getattr, settings, 'TEST')
def test_signal_callback_context_manager(self):
self.assertRaises(AttributeError, getattr, settings, 'TEST')
with self.settings(TEST='override'):
self.assertEqual(testvalue, 'override')
@override_settings(TEST='override')
def test_signal_callback_decorator(self):
self.assertEqual(testvalue, 'override')
#
# Regression tests for #10130: deleting settings.
#
def test_settings_delete(self):
settings.TEST = 'test'
self.assertEqual('test', settings.TEST)
del settings.TEST
self.assertRaises(AttributeError, getattr, settings, 'TEST')
def test_settings_delete_wrapped(self):
self.assertRaises(TypeError, delattr, settings, '_wrapped')
class TrailingSlashURLTests(TestCase):
settings_module = settings
def setUp(self):
self._original_media_url = self.settings_module.MEDIA_URL
def tearDown(self):
self.settings_module.MEDIA_URL = self._original_media_url
def test_blank(self):
"""
If blank, no DeprecationWarning error will be raised, even though it
doesn't end in a slash.
"""
self.settings_module.MEDIA_URL = ''
self.assertEqual('', self.settings_module.MEDIA_URL)
def test_end_slash(self):
"""
MEDIA_URL works if you end in a slash.
"""
self.settings_module.MEDIA_URL = '/foo/'
self.assertEqual('/foo/', self.settings_module.MEDIA_URL)
self.settings_module.MEDIA_URL = 'http://media.foo.com/'
self.assertEqual('http://media.foo.com/',
self.settings_module.MEDIA_URL)
def test_no_end_slash(self):
"""
MEDIA_URL raises an DeprecationWarning error if it doesn't end in a
slash.
"""
import warnings
warnings.filterwarnings('error', 'If set, MEDIA_URL must end with a slash', DeprecationWarning)
def setattr_settings(settings_module, attr, value):
setattr(settings_module, attr, value)
self.assertRaises(DeprecationWarning, setattr_settings,
self.settings_module, 'MEDIA_URL', '/foo')
self.assertRaises(DeprecationWarning, setattr_settings,
self.settings_module, 'MEDIA_URL',
'http://media.foo.com')
def test_double_slash(self):
"""
If a MEDIA_URL ends in more than one slash, presume they know what
they're doing.
"""
self.settings_module.MEDIA_URL = '/stupid//'
self.assertEqual('/stupid//', self.settings_module.MEDIA_URL)
self.settings_module.MEDIA_URL = 'http://media.foo.com/stupid//'
self.assertEqual('http://media.foo.com/stupid//',
self.settings_module.MEDIA_URL)
class EnvironmentVariableTest(TestCase):
"""
Ensures proper settings file is used in setup_environ if
DJANGO_SETTINGS_MODULE is set in the environment.
"""
def setUp(self):
self.original_value = os.environ.get('DJANGO_SETTINGS_MODULE')
def tearDown(self):
if self.original_value:
os.environ['DJANGO_SETTINGS_MODULE'] = self.original_value
elif 'DJANGO_SETTINGS_MODULE' in os.environ:
del(os.environ['DJANGO_SETTINGS_MODULE'])
def test_env_var_used(self):
"""
If the environment variable is set, do not ignore it. However, the
kwarg original_settings_path takes precedence.
This tests both plus the default (neither set).
"""
from django.core.management import setup_environ
# whatever was already there
original_module = os.environ.get(
'DJANGO_SETTINGS_MODULE',
'the default'
)
# environment variable set by user
user_override = 'custom.settings'
# optional argument to setup_environ
orig_path = 'original.path'
# expect default
setup_environ(global_settings)
self.assertEqual(
os.environ.get('DJANGO_SETTINGS_MODULE'),
original_module
)
# override with environment variable
os.environ['DJANGO_SETTINGS_MODULE'] = user_override
setup_environ(global_settings)
self.assertEqual(
os.environ.get('DJANGO_SETTINGS_MODULE'),
user_override
)
# pass in original_settings_path (should take precedence)
os.environ['DJANGO_SETTINGS_MODULE'] = user_override
setup_environ(global_settings, original_settings_path = orig_path)
self.assertEqual(
os.environ.get('DJANGO_SETTINGS_MODULE'),
orig_path
)