django/tests/settings_tests/tests.py

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import unittest
import warnings
from django.conf import settings
from django.core.exceptions import ImproperlyConfigured
from django.http import HttpRequest
from django.test import SimpleTestCase, TransactionTestCase, TestCase, signals
from django.test.utils import override_settings
from django.utils import six
@override_settings(TEST='override', TEST_OUTER='outer')
class FullyDecoratedTranTestCase(TransactionTestCase):
available_apps = []
def test_override(self):
self.assertEqual(settings.TEST, 'override')
self.assertEqual(settings.TEST_OUTER, 'outer')
@override_settings(TEST='override2')
def test_method_override(self):
self.assertEqual(settings.TEST, 'override2')
self.assertEqual(settings.TEST_OUTER, 'outer')
def test_decorated_testcase_name(self):
self.assertEqual(FullyDecoratedTranTestCase.__name__, 'FullyDecoratedTranTestCase')
def test_decorated_testcase_module(self):
self.assertEqual(FullyDecoratedTranTestCase.__module__, __name__)
@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')
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
@override_settings(TEST='override')
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:
self.fail()
@override_settings(TEST='override-parent')
class ParentDecoratedTestCase(TestCase):
pass
@override_settings(TEST='override-child')
class ChildDecoratedTestCase(ParentDecoratedTestCase):
def test_override_settings_inheritance(self):
self.assertEqual(settings.TEST, 'override-child')
class SettingsTests(TestCase):
def setUp(self):
self.testvalue = None
signals.setting_changed.connect(self.signal_callback)
def tearDown(self):
signals.setting_changed.disconnect(self.signal_callback)
def signal_callback(self, sender, setting, value, **kwargs):
if setting == 'TEST':
self.testvalue = value
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):
# SimpleTestCase can be decorated by override_settings, but not ut.TestCase
class SimpleTestCaseSubclass(SimpleTestCase):
pass
class UnittestTestCaseSubclass(unittest.TestCase):
pass
decorated = override_settings(TEST='override')(SimpleTestCaseSubclass)
self.assertIsInstance(decorated, type)
self.assertTrue(issubclass(decorated, SimpleTestCase))
with six.assertRaisesRegex(self, Exception,
"Only subclasses of Django SimpleTestCase*"):
decorated = override_settings(TEST='override')(UnittestTestCaseSubclass)
def test_signal_callback_context_manager(self):
self.assertRaises(AttributeError, getattr, settings, 'TEST')
with self.settings(TEST='override'):
self.assertEqual(self.testvalue, 'override')
self.assertEqual(self.testvalue, None)
@override_settings(TEST='override')
def test_signal_callback_decorator(self):
self.assertEqual(self.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')
def test_override_settings_delete(self):
"""
2013-07-28 01:45:25 +00:00
Allow deletion of a setting in an overridden settings set (#18824)
"""
previous_i18n = settings.USE_I18N
with self.settings(USE_I18N=False):
del settings.USE_I18N
self.assertRaises(AttributeError, getattr, settings, 'USE_I18N')
self.assertEqual(settings.USE_I18N, previous_i18n)
def test_override_settings_nested(self):
"""
Test that override_settings uses the actual _wrapped attribute at
runtime, not when it was instantiated.
"""
self.assertRaises(AttributeError, getattr, settings, 'TEST')
self.assertRaises(AttributeError, getattr, settings, 'TEST2')
inner = override_settings(TEST2='override')
with override_settings(TEST='override'):
self.assertEqual('override', settings.TEST)
with inner:
self.assertEqual('override', settings.TEST)
self.assertEqual('override', settings.TEST2)
# inner's __exit__ should have restored the settings of the outer
# context manager, not those when the class was instantiated
self.assertEqual('override', settings.TEST)
self.assertRaises(AttributeError, getattr, settings, 'TEST2')
self.assertRaises(AttributeError, getattr, settings, 'TEST')
self.assertRaises(AttributeError, getattr, settings, 'TEST2')
def test_allowed_include_roots_string(self):
"""
ALLOWED_INCLUDE_ROOTS is not allowed to be incorrectly set to a string
rather than a tuple.
"""
self.assertRaises(ValueError, setattr, settings,
'ALLOWED_INCLUDE_ROOTS', '/var/www/ssi/')
class TestComplexSettingOverride(TestCase):
def setUp(self):
self.old_warn_override_settings = signals.COMPLEX_OVERRIDE_SETTINGS.copy()
signals.COMPLEX_OVERRIDE_SETTINGS.add('TEST_WARN')
def tearDown(self):
signals.COMPLEX_OVERRIDE_SETTINGS = self.old_warn_override_settings
self.assertFalse('TEST_WARN' in signals.COMPLEX_OVERRIDE_SETTINGS)
def test_complex_override_warning(self):
"""Regression test for #19031"""
with warnings.catch_warnings(record=True) as w:
warnings.simplefilter("always")
override = override_settings(TEST_WARN='override')
override.enable()
self.assertEqual('override', settings.TEST_WARN)
override.disable()
self.assertEqual(len(w), 1)
self.assertEqual('Overriding setting TEST_WARN can lead to unexpected behaviour.', str(w[-1].message))
class UniqueSettingsTests(TestCase):
"""
Tests for the INSTALLED_APPS setting.
"""
settings_module = settings
def setUp(self):
self._installed_apps = self.settings_module.INSTALLED_APPS
def tearDown(self):
self.settings_module.INSTALLED_APPS = self._installed_apps
def test_unique(self):
"""
An ImproperlyConfigured exception is raised if the INSTALLED_APPS contains
any duplicate strings.
"""
with self.assertRaises(ImproperlyConfigured):
self.settings_module.INSTALLED_APPS = ("myApp1", "myApp1", "myApp2", "myApp3")
class TrailingSlashURLTests(TestCase):
"""
Tests for the MEDIA_URL and STATIC_URL settings.
They must end with a slash to ensure there's a deterministic way to build
paths in templates.
"""
settings_module = settings
def setUp(self):
self._original_media_url = self.settings_module.MEDIA_URL
self._original_static_url = self.settings_module.STATIC_URL
def tearDown(self):
self.settings_module.MEDIA_URL = self._original_media_url
self.settings_module.STATIC_URL = self._original_static_url
def test_blank(self):
"""
The empty string is accepted, even though it doesn't end in a slash.
"""
self.settings_module.MEDIA_URL = ''
self.assertEqual('', self.settings_module.MEDIA_URL)
self.settings_module.STATIC_URL = ''
self.assertEqual('', self.settings_module.STATIC_URL)
def test_end_slash(self):
"""
It works if the value ends 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)
self.settings_module.STATIC_URL = '/foo/'
self.assertEqual('/foo/', self.settings_module.STATIC_URL)
self.settings_module.STATIC_URL = 'http://static.foo.com/'
self.assertEqual('http://static.foo.com/',
self.settings_module.STATIC_URL)
def test_no_end_slash(self):
"""
An ImproperlyConfigured exception is raised if the value doesn't end
in a slash.
"""
with self.assertRaises(ImproperlyConfigured):
self.settings_module.MEDIA_URL = '/foo'
with self.assertRaises(ImproperlyConfigured):
self.settings_module.MEDIA_URL = 'http://media.foo.com'
with self.assertRaises(ImproperlyConfigured):
self.settings_module.STATIC_URL = '/foo'
with self.assertRaises(ImproperlyConfigured):
self.settings_module.STATIC_URL = 'http://static.foo.com'
def test_double_slash(self):
"""
If the value 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)
self.settings_module.STATIC_URL = '/stupid//'
self.assertEqual('/stupid//', self.settings_module.STATIC_URL)
self.settings_module.STATIC_URL = 'http://static.foo.com/stupid//'
self.assertEqual('http://static.foo.com/stupid//',
self.settings_module.STATIC_URL)
class SecureProxySslHeaderTest(TestCase):
settings_module = settings
def setUp(self):
self._original_setting = self.settings_module.SECURE_PROXY_SSL_HEADER
def tearDown(self):
self.settings_module.SECURE_PROXY_SSL_HEADER = self._original_setting
def test_none(self):
self.settings_module.SECURE_PROXY_SSL_HEADER = None
req = HttpRequest()
self.assertEqual(req.is_secure(), False)
def test_set_without_xheader(self):
self.settings_module.SECURE_PROXY_SSL_HEADER = ('HTTP_X_FORWARDED_PROTOCOL', 'https')
req = HttpRequest()
self.assertEqual(req.is_secure(), False)
def test_set_with_xheader_wrong(self):
self.settings_module.SECURE_PROXY_SSL_HEADER = ('HTTP_X_FORWARDED_PROTOCOL', 'https')
req = HttpRequest()
req.META['HTTP_X_FORWARDED_PROTOCOL'] = 'wrongvalue'
self.assertEqual(req.is_secure(), False)
def test_set_with_xheader_right(self):
self.settings_module.SECURE_PROXY_SSL_HEADER = ('HTTP_X_FORWARDED_PROTOCOL', 'https')
req = HttpRequest()
req.META['HTTP_X_FORWARDED_PROTOCOL'] = 'https'
self.assertEqual(req.is_secure(), True)