mirror of
https://github.com/django/django.git
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654 lines
24 KiB
Python
654 lines
24 KiB
Python
import os
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import sys
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import unittest
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from types import ModuleType, SimpleNamespace
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from unittest import mock
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from django.conf import ENVIRONMENT_VARIABLE, LazySettings, Settings, settings
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from django.core.exceptions import ImproperlyConfigured
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from django.http import HttpRequest
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from django.test import (
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SimpleTestCase,
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TestCase,
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TransactionTestCase,
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modify_settings,
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override_settings,
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signals,
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)
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from django.test.utils import requires_tz_support
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from django.urls import clear_script_prefix, set_script_prefix
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@modify_settings(ITEMS={"prepend": ["b"], "append": ["d"], "remove": ["a", "e"]})
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@override_settings(
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ITEMS=["a", "c", "e"], ITEMS_OUTER=[1, 2, 3], TEST="override", TEST_OUTER="outer"
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)
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class FullyDecoratedTranTestCase(TransactionTestCase):
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available_apps = []
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def test_override(self):
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self.assertEqual(settings.ITEMS, ["b", "c", "d"])
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self.assertEqual(settings.ITEMS_OUTER, [1, 2, 3])
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self.assertEqual(settings.TEST, "override")
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self.assertEqual(settings.TEST_OUTER, "outer")
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@modify_settings(
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ITEMS={
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"append": ["e", "f"],
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"prepend": ["a"],
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"remove": ["d", "c"],
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}
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)
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def test_method_list_override(self):
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self.assertEqual(settings.ITEMS, ["a", "b", "e", "f"])
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self.assertEqual(settings.ITEMS_OUTER, [1, 2, 3])
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@modify_settings(
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ITEMS={
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"append": ["b"],
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"prepend": ["d"],
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"remove": ["a", "c", "e"],
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}
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)
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def test_method_list_override_no_ops(self):
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self.assertEqual(settings.ITEMS, ["b", "d"])
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@modify_settings(
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ITEMS={
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"append": "e",
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"prepend": "a",
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"remove": "c",
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}
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)
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def test_method_list_override_strings(self):
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self.assertEqual(settings.ITEMS, ["a", "b", "d", "e"])
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@modify_settings(ITEMS={"remove": ["b", "d"]})
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@modify_settings(ITEMS={"append": ["b"], "prepend": ["d"]})
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def test_method_list_override_nested_order(self):
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self.assertEqual(settings.ITEMS, ["d", "c", "b"])
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@override_settings(TEST="override2")
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def test_method_override(self):
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self.assertEqual(settings.TEST, "override2")
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self.assertEqual(settings.TEST_OUTER, "outer")
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def test_decorated_testcase_name(self):
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self.assertEqual(
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FullyDecoratedTranTestCase.__name__, "FullyDecoratedTranTestCase"
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)
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def test_decorated_testcase_module(self):
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self.assertEqual(FullyDecoratedTranTestCase.__module__, __name__)
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@modify_settings(ITEMS={"prepend": ["b"], "append": ["d"], "remove": ["a", "e"]})
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@override_settings(ITEMS=["a", "c", "e"], TEST="override")
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class FullyDecoratedTestCase(TestCase):
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def test_override(self):
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self.assertEqual(settings.ITEMS, ["b", "c", "d"])
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self.assertEqual(settings.TEST, "override")
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@modify_settings(
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ITEMS={
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"append": "e",
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"prepend": "a",
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"remove": "c",
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}
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)
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@override_settings(TEST="override2")
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def test_method_override(self):
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self.assertEqual(settings.ITEMS, ["a", "b", "d", "e"])
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self.assertEqual(settings.TEST, "override2")
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class ClassDecoratedTestCaseSuper(TestCase):
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"""
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Dummy class for testing max recursion error in child class call to
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super(). Refs #17011.
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"""
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def test_max_recursion_error(self):
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pass
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@override_settings(TEST="override")
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class ClassDecoratedTestCase(ClassDecoratedTestCaseSuper):
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@classmethod
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def setUpClass(cls):
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super().setUpClass()
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cls.foo = getattr(settings, "TEST", "BUG")
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def test_override(self):
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self.assertEqual(settings.TEST, "override")
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def test_setupclass_override(self):
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"""Settings are overridden within setUpClass (#21281)."""
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self.assertEqual(self.foo, "override")
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@override_settings(TEST="override2")
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def test_method_override(self):
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self.assertEqual(settings.TEST, "override2")
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def test_max_recursion_error(self):
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"""
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Overriding a method on a super class and then calling that method on
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the super class should not trigger infinite recursion. See #17011.
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"""
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super().test_max_recursion_error()
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@modify_settings(ITEMS={"append": "mother"})
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@override_settings(ITEMS=["father"], TEST="override-parent")
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class ParentDecoratedTestCase(TestCase):
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pass
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@modify_settings(ITEMS={"append": ["child"]})
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@override_settings(TEST="override-child")
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class ChildDecoratedTestCase(ParentDecoratedTestCase):
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def test_override_settings_inheritance(self):
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self.assertEqual(settings.ITEMS, ["father", "mother", "child"])
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self.assertEqual(settings.TEST, "override-child")
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class SettingsTests(SimpleTestCase):
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def setUp(self):
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self.testvalue = None
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signals.setting_changed.connect(self.signal_callback)
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self.addCleanup(signals.setting_changed.disconnect, self.signal_callback)
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def signal_callback(self, sender, setting, value, **kwargs):
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if setting == "TEST":
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self.testvalue = value
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def test_override(self):
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settings.TEST = "test"
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self.assertEqual("test", settings.TEST)
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with self.settings(TEST="override"):
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self.assertEqual("override", settings.TEST)
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self.assertEqual("test", settings.TEST)
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del settings.TEST
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def test_override_change(self):
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settings.TEST = "test"
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self.assertEqual("test", settings.TEST)
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with self.settings(TEST="override"):
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self.assertEqual("override", settings.TEST)
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settings.TEST = "test2"
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self.assertEqual("test", settings.TEST)
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del settings.TEST
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def test_override_doesnt_leak(self):
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with self.assertRaises(AttributeError):
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getattr(settings, "TEST")
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with self.settings(TEST="override"):
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self.assertEqual("override", settings.TEST)
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settings.TEST = "test"
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with self.assertRaises(AttributeError):
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getattr(settings, "TEST")
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@override_settings(TEST="override")
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def test_decorator(self):
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self.assertEqual("override", settings.TEST)
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def test_context_manager(self):
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with self.assertRaises(AttributeError):
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getattr(settings, "TEST")
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override = override_settings(TEST="override")
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with self.assertRaises(AttributeError):
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getattr(settings, "TEST")
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override.enable()
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self.assertEqual("override", settings.TEST)
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override.disable()
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with self.assertRaises(AttributeError):
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getattr(settings, "TEST")
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def test_class_decorator(self):
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# SimpleTestCase can be decorated by override_settings, but not ut.TestCase
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class SimpleTestCaseSubclass(SimpleTestCase):
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pass
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class UnittestTestCaseSubclass(unittest.TestCase):
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pass
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decorated = override_settings(TEST="override")(SimpleTestCaseSubclass)
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self.assertIsInstance(decorated, type)
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self.assertTrue(issubclass(decorated, SimpleTestCase))
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with self.assertRaisesMessage(
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Exception, "Only subclasses of Django SimpleTestCase"
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):
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decorated = override_settings(TEST="override")(UnittestTestCaseSubclass)
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def test_signal_callback_context_manager(self):
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with self.assertRaises(AttributeError):
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getattr(settings, "TEST")
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with self.settings(TEST="override"):
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self.assertEqual(self.testvalue, "override")
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self.assertIsNone(self.testvalue)
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@override_settings(TEST="override")
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def test_signal_callback_decorator(self):
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self.assertEqual(self.testvalue, "override")
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#
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# Regression tests for #10130: deleting settings.
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#
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def test_settings_delete(self):
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settings.TEST = "test"
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self.assertEqual("test", settings.TEST)
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del settings.TEST
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msg = "'Settings' object has no attribute 'TEST'"
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with self.assertRaisesMessage(AttributeError, msg):
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getattr(settings, "TEST")
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def test_settings_delete_wrapped(self):
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with self.assertRaisesMessage(TypeError, "can't delete _wrapped."):
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delattr(settings, "_wrapped")
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def test_override_settings_delete(self):
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"""
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Allow deletion of a setting in an overridden settings set (#18824)
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"""
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previous_i18n = settings.USE_I18N
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previous_tz = settings.USE_TZ
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with self.settings(USE_I18N=False):
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del settings.USE_I18N
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with self.assertRaises(AttributeError):
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getattr(settings, "USE_I18N")
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# Should also work for a non-overridden setting
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del settings.USE_TZ
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with self.assertRaises(AttributeError):
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getattr(settings, "USE_TZ")
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self.assertNotIn("USE_I18N", dir(settings))
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self.assertNotIn("USE_TZ", dir(settings))
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self.assertEqual(settings.USE_I18N, previous_i18n)
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self.assertEqual(settings.USE_TZ, previous_tz)
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def test_override_settings_nested(self):
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"""
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override_settings uses the actual _wrapped attribute at
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runtime, not when it was instantiated.
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"""
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with self.assertRaises(AttributeError):
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getattr(settings, "TEST")
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with self.assertRaises(AttributeError):
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getattr(settings, "TEST2")
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inner = override_settings(TEST2="override")
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with override_settings(TEST="override"):
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self.assertEqual("override", settings.TEST)
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with inner:
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self.assertEqual("override", settings.TEST)
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self.assertEqual("override", settings.TEST2)
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# inner's __exit__ should have restored the settings of the outer
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# context manager, not those when the class was instantiated
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self.assertEqual("override", settings.TEST)
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with self.assertRaises(AttributeError):
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getattr(settings, "TEST2")
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with self.assertRaises(AttributeError):
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getattr(settings, "TEST")
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with self.assertRaises(AttributeError):
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getattr(settings, "TEST2")
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@override_settings(SECRET_KEY="")
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def test_no_secret_key(self):
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msg = "The SECRET_KEY setting must not be empty."
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with self.assertRaisesMessage(ImproperlyConfigured, msg):
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settings.SECRET_KEY
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def test_no_settings_module(self):
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msg = (
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"Requested setting%s, but settings are not configured. You "
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"must either define the environment variable DJANGO_SETTINGS_MODULE "
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"or call settings.configure() before accessing settings."
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)
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orig_settings = os.environ[ENVIRONMENT_VARIABLE]
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os.environ[ENVIRONMENT_VARIABLE] = ""
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try:
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with self.assertRaisesMessage(ImproperlyConfigured, msg % "s"):
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settings._setup()
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with self.assertRaisesMessage(ImproperlyConfigured, msg % " TEST"):
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settings._setup("TEST")
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finally:
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os.environ[ENVIRONMENT_VARIABLE] = orig_settings
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def test_already_configured(self):
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with self.assertRaisesMessage(RuntimeError, "Settings already configured."):
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settings.configure()
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def test_nonupper_settings_prohibited_in_configure(self):
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s = LazySettings()
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with self.assertRaisesMessage(TypeError, "Setting 'foo' must be uppercase."):
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s.configure(foo="bar")
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def test_nonupper_settings_ignored_in_default_settings(self):
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s = LazySettings()
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s.configure(SimpleNamespace(foo="bar"))
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with self.assertRaises(AttributeError):
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getattr(s, "foo")
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@requires_tz_support
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@mock.patch("django.conf.global_settings.TIME_ZONE", "test")
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def test_incorrect_timezone(self):
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with self.assertRaisesMessage(ValueError, "Incorrect timezone setting: test"):
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settings._setup()
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class TestComplexSettingOverride(SimpleTestCase):
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def setUp(self):
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self.old_warn_override_settings = signals.COMPLEX_OVERRIDE_SETTINGS.copy()
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signals.COMPLEX_OVERRIDE_SETTINGS.add("TEST_WARN")
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def tearDown(self):
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signals.COMPLEX_OVERRIDE_SETTINGS = self.old_warn_override_settings
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self.assertNotIn("TEST_WARN", signals.COMPLEX_OVERRIDE_SETTINGS)
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def test_complex_override_warning(self):
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"""Regression test for #19031"""
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msg = "Overriding setting TEST_WARN can lead to unexpected behavior."
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with self.assertWarnsMessage(UserWarning, msg) as cm:
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with override_settings(TEST_WARN="override"):
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self.assertEqual(settings.TEST_WARN, "override")
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self.assertEqual(cm.filename, __file__)
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class SecureProxySslHeaderTest(SimpleTestCase):
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@override_settings(SECURE_PROXY_SSL_HEADER=None)
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def test_none(self):
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req = HttpRequest()
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self.assertIs(req.is_secure(), False)
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@override_settings(SECURE_PROXY_SSL_HEADER=("HTTP_X_FORWARDED_PROTO", "https"))
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def test_set_without_xheader(self):
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req = HttpRequest()
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self.assertIs(req.is_secure(), False)
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@override_settings(SECURE_PROXY_SSL_HEADER=("HTTP_X_FORWARDED_PROTO", "https"))
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def test_set_with_xheader_wrong(self):
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req = HttpRequest()
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req.META["HTTP_X_FORWARDED_PROTO"] = "wrongvalue"
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self.assertIs(req.is_secure(), False)
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@override_settings(SECURE_PROXY_SSL_HEADER=("HTTP_X_FORWARDED_PROTO", "https"))
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def test_set_with_xheader_right(self):
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req = HttpRequest()
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req.META["HTTP_X_FORWARDED_PROTO"] = "https"
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self.assertIs(req.is_secure(), True)
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@override_settings(SECURE_PROXY_SSL_HEADER=("HTTP_X_FORWARDED_PROTO", "https"))
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def test_set_with_xheader_leftmost_right(self):
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req = HttpRequest()
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req.META["HTTP_X_FORWARDED_PROTO"] = "https, http"
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self.assertIs(req.is_secure(), True)
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req.META["HTTP_X_FORWARDED_PROTO"] = "https , http"
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self.assertIs(req.is_secure(), True)
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@override_settings(SECURE_PROXY_SSL_HEADER=("HTTP_X_FORWARDED_PROTO", "https"))
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def test_set_with_xheader_leftmost_not_secure(self):
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req = HttpRequest()
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req.META["HTTP_X_FORWARDED_PROTO"] = "http, https"
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self.assertIs(req.is_secure(), False)
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@override_settings(SECURE_PROXY_SSL_HEADER=("HTTP_X_FORWARDED_PROTO", "https"))
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def test_set_with_xheader_multiple_not_secure(self):
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req = HttpRequest()
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req.META["HTTP_X_FORWARDED_PROTO"] = "http ,wrongvalue,http,http"
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self.assertIs(req.is_secure(), False)
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@override_settings(SECURE_PROXY_SSL_HEADER=("HTTP_X_FORWARDED_PROTO", "https"))
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def test_xheader_preferred_to_underlying_request(self):
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class ProxyRequest(HttpRequest):
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def _get_scheme(self):
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"""Proxy always connecting via HTTPS"""
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return "https"
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# Client connects via HTTP.
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req = ProxyRequest()
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req.META["HTTP_X_FORWARDED_PROTO"] = "http"
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self.assertIs(req.is_secure(), False)
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class IsOverriddenTest(SimpleTestCase):
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def test_configure(self):
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s = LazySettings()
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s.configure(SECRET_KEY="foo")
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self.assertTrue(s.is_overridden("SECRET_KEY"))
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def test_module(self):
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settings_module = ModuleType("fake_settings_module")
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settings_module.SECRET_KEY = "foo"
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settings_module.USE_TZ = False
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sys.modules["fake_settings_module"] = settings_module
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try:
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s = Settings("fake_settings_module")
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self.assertTrue(s.is_overridden("SECRET_KEY"))
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self.assertFalse(s.is_overridden("ALLOWED_HOSTS"))
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finally:
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del sys.modules["fake_settings_module"]
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def test_override(self):
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self.assertFalse(settings.is_overridden("ALLOWED_HOSTS"))
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with override_settings(ALLOWED_HOSTS=[]):
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self.assertTrue(settings.is_overridden("ALLOWED_HOSTS"))
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def test_unevaluated_lazysettings_repr(self):
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lazy_settings = LazySettings()
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expected = "<LazySettings [Unevaluated]>"
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self.assertEqual(repr(lazy_settings), expected)
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def test_evaluated_lazysettings_repr(self):
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lazy_settings = LazySettings()
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module = os.environ.get(ENVIRONMENT_VARIABLE)
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expected = '<LazySettings "%s">' % module
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# Force evaluation of the lazy object.
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lazy_settings.APPEND_SLASH
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self.assertEqual(repr(lazy_settings), expected)
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def test_usersettingsholder_repr(self):
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lazy_settings = LazySettings()
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lazy_settings.configure(APPEND_SLASH=False)
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expected = "<UserSettingsHolder>"
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self.assertEqual(repr(lazy_settings._wrapped), expected)
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def test_settings_repr(self):
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module = os.environ.get(ENVIRONMENT_VARIABLE)
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lazy_settings = Settings(module)
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expected = '<Settings "%s">' % module
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self.assertEqual(repr(lazy_settings), expected)
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class TestListSettings(SimpleTestCase):
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"""
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Make sure settings that should be lists or tuples throw
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ImproperlyConfigured if they are set to a string instead of a list or tuple.
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"""
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list_or_tuple_settings = (
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"ALLOWED_HOSTS",
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"INSTALLED_APPS",
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"TEMPLATE_DIRS",
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"LOCALE_PATHS",
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"SECRET_KEY_FALLBACKS",
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)
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def test_tuple_settings(self):
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settings_module = ModuleType("fake_settings_module")
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settings_module.SECRET_KEY = "foo"
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msg = "The %s setting must be a list or a tuple."
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for setting in self.list_or_tuple_settings:
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setattr(settings_module, setting, ("non_list_or_tuple_value"))
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|
sys.modules["fake_settings_module"] = settings_module
|
|
try:
|
|
with self.assertRaisesMessage(ImproperlyConfigured, msg % setting):
|
|
Settings("fake_settings_module")
|
|
finally:
|
|
del sys.modules["fake_settings_module"]
|
|
delattr(settings_module, setting)
|
|
|
|
|
|
class SettingChangeEnterException(Exception):
|
|
pass
|
|
|
|
|
|
class SettingChangeExitException(Exception):
|
|
pass
|
|
|
|
|
|
class OverrideSettingsIsolationOnExceptionTests(SimpleTestCase):
|
|
"""
|
|
The override_settings context manager restore settings if one of the
|
|
receivers of "setting_changed" signal fails. Check the three cases of
|
|
receiver failure detailed in receiver(). In each case, ALL receivers are
|
|
called when exiting the context manager.
|
|
"""
|
|
|
|
def setUp(self):
|
|
signals.setting_changed.connect(self.receiver)
|
|
self.addCleanup(signals.setting_changed.disconnect, self.receiver)
|
|
# Create a spy that's connected to the `setting_changed` signal and
|
|
# executed AFTER `self.receiver`.
|
|
self.spy_receiver = mock.Mock()
|
|
signals.setting_changed.connect(self.spy_receiver)
|
|
self.addCleanup(signals.setting_changed.disconnect, self.spy_receiver)
|
|
|
|
def receiver(self, **kwargs):
|
|
"""
|
|
A receiver that fails while certain settings are being changed.
|
|
- SETTING_BOTH raises an error while receiving the signal
|
|
on both entering and exiting the context manager.
|
|
- SETTING_ENTER raises an error only on enter.
|
|
- SETTING_EXIT raises an error only on exit.
|
|
"""
|
|
setting = kwargs["setting"]
|
|
enter = kwargs["enter"]
|
|
if setting in ("SETTING_BOTH", "SETTING_ENTER") and enter:
|
|
raise SettingChangeEnterException
|
|
if setting in ("SETTING_BOTH", "SETTING_EXIT") and not enter:
|
|
raise SettingChangeExitException
|
|
|
|
def check_settings(self):
|
|
"""Assert that settings for these tests aren't present."""
|
|
self.assertFalse(hasattr(settings, "SETTING_BOTH"))
|
|
self.assertFalse(hasattr(settings, "SETTING_ENTER"))
|
|
self.assertFalse(hasattr(settings, "SETTING_EXIT"))
|
|
self.assertFalse(hasattr(settings, "SETTING_PASS"))
|
|
|
|
def check_spy_receiver_exit_calls(self, call_count):
|
|
"""
|
|
Assert that `self.spy_receiver` was called exactly `call_count` times
|
|
with the ``enter=False`` keyword argument.
|
|
"""
|
|
kwargs_with_exit = [
|
|
kwargs
|
|
for args, kwargs in self.spy_receiver.call_args_list
|
|
if ("enter", False) in kwargs.items()
|
|
]
|
|
self.assertEqual(len(kwargs_with_exit), call_count)
|
|
|
|
def test_override_settings_both(self):
|
|
"""Receiver fails on both enter and exit."""
|
|
with self.assertRaises(SettingChangeEnterException):
|
|
with override_settings(SETTING_PASS="BOTH", SETTING_BOTH="BOTH"):
|
|
pass
|
|
|
|
self.check_settings()
|
|
# Two settings were touched, so expect two calls of `spy_receiver`.
|
|
self.check_spy_receiver_exit_calls(call_count=2)
|
|
|
|
def test_override_settings_enter(self):
|
|
"""Receiver fails on enter only."""
|
|
with self.assertRaises(SettingChangeEnterException):
|
|
with override_settings(SETTING_PASS="ENTER", SETTING_ENTER="ENTER"):
|
|
pass
|
|
|
|
self.check_settings()
|
|
# Two settings were touched, so expect two calls of `spy_receiver`.
|
|
self.check_spy_receiver_exit_calls(call_count=2)
|
|
|
|
def test_override_settings_exit(self):
|
|
"""Receiver fails on exit only."""
|
|
with self.assertRaises(SettingChangeExitException):
|
|
with override_settings(SETTING_PASS="EXIT", SETTING_EXIT="EXIT"):
|
|
pass
|
|
|
|
self.check_settings()
|
|
# Two settings were touched, so expect two calls of `spy_receiver`.
|
|
self.check_spy_receiver_exit_calls(call_count=2)
|
|
|
|
def test_override_settings_reusable_on_enter(self):
|
|
"""
|
|
Error is raised correctly when reusing the same override_settings
|
|
instance.
|
|
"""
|
|
|
|
@override_settings(SETTING_ENTER="ENTER")
|
|
def decorated_function():
|
|
pass
|
|
|
|
with self.assertRaises(SettingChangeEnterException):
|
|
decorated_function()
|
|
signals.setting_changed.disconnect(self.receiver)
|
|
# This call shouldn't raise any errors.
|
|
decorated_function()
|
|
|
|
|
|
class MediaURLStaticURLPrefixTest(SimpleTestCase):
|
|
def set_script_name(self, val):
|
|
clear_script_prefix()
|
|
if val is not None:
|
|
set_script_prefix(val)
|
|
|
|
def test_not_prefixed(self):
|
|
# Don't add SCRIPT_NAME prefix to absolute paths, URLs, or None.
|
|
tests = (
|
|
"/path/",
|
|
"http://myhost.com/path/",
|
|
"http://myhost/path/",
|
|
"https://myhost/path/",
|
|
None,
|
|
)
|
|
for setting in ("MEDIA_URL", "STATIC_URL"):
|
|
for path in tests:
|
|
new_settings = {setting: path}
|
|
with self.settings(**new_settings):
|
|
for script_name in ["/somesubpath", "/somesubpath/", "/", "", None]:
|
|
with self.subTest(script_name=script_name, **new_settings):
|
|
try:
|
|
self.set_script_name(script_name)
|
|
self.assertEqual(getattr(settings, setting), path)
|
|
finally:
|
|
clear_script_prefix()
|
|
|
|
def test_add_script_name_prefix(self):
|
|
tests = (
|
|
# Relative paths.
|
|
("/somesubpath", "path/", "/somesubpath/path/"),
|
|
("/somesubpath/", "path/", "/somesubpath/path/"),
|
|
("/", "path/", "/path/"),
|
|
# Invalid URLs.
|
|
(
|
|
"/somesubpath/",
|
|
"htp://myhost.com/path/",
|
|
"/somesubpath/htp://myhost.com/path/",
|
|
),
|
|
# Blank settings.
|
|
("/somesubpath/", "", "/somesubpath/"),
|
|
)
|
|
for setting in ("MEDIA_URL", "STATIC_URL"):
|
|
for script_name, path, expected_path in tests:
|
|
new_settings = {setting: path}
|
|
with self.settings(**new_settings):
|
|
with self.subTest(script_name=script_name, **new_settings):
|
|
try:
|
|
self.set_script_name(script_name)
|
|
self.assertEqual(getattr(settings, setting), expected_path)
|
|
finally:
|
|
clear_script_prefix()
|