313 lines
12 KiB
Python
313 lines
12 KiB
Python
from django.conf import settings
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from django.core.checks.messages import Error, Warning
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from django.core.checks.urls import (
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E006,
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check_url_config,
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check_url_namespaces_unique,
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check_url_settings,
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get_warning_for_invalid_pattern,
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)
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from django.test import SimpleTestCase
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from django.test.utils import override_settings
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class CheckUrlConfigTests(SimpleTestCase):
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@override_settings(ROOT_URLCONF="check_framework.urls.no_warnings")
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def test_no_warnings(self):
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result = check_url_config(None)
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self.assertEqual(result, [])
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@override_settings(ROOT_URLCONF="check_framework.urls.no_warnings_i18n")
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def test_no_warnings_i18n(self):
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self.assertEqual(check_url_config(None), [])
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@override_settings(ROOT_URLCONF="check_framework.urls.warning_in_include")
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def test_check_resolver_recursive(self):
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# The resolver is checked recursively (examining URL patterns in include()).
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result = check_url_config(None)
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self.assertEqual(len(result), 1)
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warning = result[0]
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self.assertEqual(warning.id, "urls.W001")
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@override_settings(ROOT_URLCONF="check_framework.urls.include_with_dollar")
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def test_include_with_dollar(self):
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result = check_url_config(None)
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self.assertEqual(len(result), 1)
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warning = result[0]
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self.assertEqual(warning.id, "urls.W001")
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self.assertEqual(
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warning.msg,
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(
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"Your URL pattern '^include-with-dollar$' uses include with a "
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"route ending with a '$'. Remove the dollar from the route to "
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"avoid problems including URLs."
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),
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)
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@override_settings(ROOT_URLCONF="check_framework.urls.contains_tuple")
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def test_contains_tuple_not_url_instance(self):
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result = check_url_config(None)
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warning = result[0]
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self.assertEqual(warning.id, "urls.E004")
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self.assertRegex(
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warning.msg,
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(
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r"^Your URL pattern \('\^tuple/\$', <function <lambda> at 0x(\w+)>\) "
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r"is invalid. Ensure that urlpatterns is a list of path\(\) and/or "
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r"re_path\(\) instances\.$"
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),
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)
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@override_settings(ROOT_URLCONF="check_framework.urls.include_contains_tuple")
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def test_contains_included_tuple(self):
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result = check_url_config(None)
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warning = result[0]
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self.assertEqual(warning.id, "urls.E004")
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self.assertRegex(
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warning.msg,
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(
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r"^Your URL pattern \('\^tuple/\$', <function <lambda> at 0x(\w+)>\) "
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r"is invalid. Ensure that urlpatterns is a list of path\(\) and/or "
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r"re_path\(\) instances\.$"
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),
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)
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@override_settings(ROOT_URLCONF="check_framework.urls.beginning_with_slash")
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def test_beginning_with_slash(self):
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msg = (
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"Your URL pattern '%s' has a route beginning with a '/'. Remove "
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"this slash as it is unnecessary. If this pattern is targeted in "
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"an include(), ensure the include() pattern has a trailing '/'."
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)
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warning1, warning2 = check_url_config(None)
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self.assertEqual(warning1.id, "urls.W002")
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self.assertEqual(warning1.msg, msg % "/path-starting-with-slash/")
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self.assertEqual(warning2.id, "urls.W002")
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self.assertEqual(warning2.msg, msg % "/url-starting-with-slash/$")
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@override_settings(
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ROOT_URLCONF="check_framework.urls.beginning_with_slash",
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APPEND_SLASH=False,
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)
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def test_beginning_with_slash_append_slash(self):
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# It can be useful to start a URL pattern with a slash when
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# APPEND_SLASH=False (#27238).
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result = check_url_config(None)
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self.assertEqual(result, [])
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@override_settings(ROOT_URLCONF="check_framework.urls.name_with_colon")
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def test_name_with_colon(self):
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result = check_url_config(None)
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self.assertEqual(len(result), 1)
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warning = result[0]
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self.assertEqual(warning.id, "urls.W003")
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expected_msg = (
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"Your URL pattern '^$' [name='name_with:colon'] has a name including a ':'."
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)
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self.assertIn(expected_msg, warning.msg)
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@override_settings(ROOT_URLCONF=None)
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def test_no_root_urlconf_in_settings(self):
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delattr(settings, "ROOT_URLCONF")
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result = check_url_config(None)
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self.assertEqual(result, [])
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def test_get_warning_for_invalid_pattern_string(self):
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warning = get_warning_for_invalid_pattern("")[0]
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self.assertEqual(
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warning.hint,
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"Try removing the string ''. The list of urlpatterns should "
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"not have a prefix string as the first element.",
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)
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def test_get_warning_for_invalid_pattern_tuple(self):
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warning = get_warning_for_invalid_pattern((r"^$", lambda x: x))[0]
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self.assertEqual(warning.hint, "Try using path() instead of a tuple.")
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def test_get_warning_for_invalid_pattern_other(self):
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warning = get_warning_for_invalid_pattern(object())[0]
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self.assertIsNone(warning.hint)
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@override_settings(ROOT_URLCONF="check_framework.urls.non_unique_namespaces")
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def test_check_non_unique_namespaces(self):
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result = check_url_namespaces_unique(None)
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self.assertEqual(len(result), 2)
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non_unique_namespaces = ["app-ns1", "app-1"]
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warning_messages = [
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"URL namespace '{}' isn't unique. You may not be able to reverse "
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"all URLs in this namespace".format(namespace)
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for namespace in non_unique_namespaces
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]
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for warning in result:
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self.assertIsInstance(warning, Warning)
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self.assertEqual("urls.W005", warning.id)
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self.assertIn(warning.msg, warning_messages)
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@override_settings(ROOT_URLCONF="check_framework.urls.unique_namespaces")
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def test_check_unique_namespaces(self):
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result = check_url_namespaces_unique(None)
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self.assertEqual(result, [])
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@override_settings(ROOT_URLCONF="check_framework.urls.cbv_as_view")
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def test_check_view_not_class(self):
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self.assertEqual(
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check_url_config(None),
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[
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Error(
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"Your URL pattern 'missing_as_view' has an invalid view, pass "
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"EmptyCBV.as_view() instead of EmptyCBV.",
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id="urls.E009",
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),
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],
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)
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class UpdatedToPathTests(SimpleTestCase):
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@override_settings(
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ROOT_URLCONF="check_framework.urls.path_compatibility.contains_re_named_group"
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)
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def test_contains_re_named_group(self):
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result = check_url_config(None)
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self.assertEqual(len(result), 1)
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warning = result[0]
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self.assertEqual(warning.id, "2_0.W001")
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expected_msg = "Your URL pattern '(?P<named_group>\\d+)' has a route"
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self.assertIn(expected_msg, warning.msg)
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@override_settings(
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ROOT_URLCONF="check_framework.urls.path_compatibility.beginning_with_caret"
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)
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def test_beginning_with_caret(self):
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result = check_url_config(None)
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self.assertEqual(len(result), 1)
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warning = result[0]
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self.assertEqual(warning.id, "2_0.W001")
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expected_msg = "Your URL pattern '^beginning-with-caret' has a route"
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self.assertIn(expected_msg, warning.msg)
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@override_settings(
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ROOT_URLCONF="check_framework.urls.path_compatibility.ending_with_dollar"
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)
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def test_ending_with_dollar(self):
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result = check_url_config(None)
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self.assertEqual(len(result), 1)
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warning = result[0]
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self.assertEqual(warning.id, "2_0.W001")
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expected_msg = "Your URL pattern 'ending-with-dollar$' has a route"
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self.assertIn(expected_msg, warning.msg)
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class CheckCustomErrorHandlersTests(SimpleTestCase):
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@override_settings(
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ROOT_URLCONF="check_framework.urls.bad_function_based_error_handlers",
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)
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def test_bad_function_based_handlers(self):
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result = check_url_config(None)
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self.assertEqual(len(result), 4)
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for code, num_params, error in zip([400, 403, 404, 500], [2, 2, 2, 1], result):
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with self.subTest("handler{}".format(code)):
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self.assertEqual(
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error,
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Error(
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"The custom handler{} view 'check_framework.urls."
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"bad_function_based_error_handlers.bad_handler' "
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"does not take the correct number of arguments "
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"(request{}).".format(
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code, ", exception" if num_params == 2 else ""
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),
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id="urls.E007",
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),
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)
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@override_settings(
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ROOT_URLCONF="check_framework.urls.bad_class_based_error_handlers",
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)
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def test_bad_class_based_handlers(self):
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result = check_url_config(None)
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self.assertEqual(len(result), 4)
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for code, num_params, error in zip([400, 403, 404, 500], [2, 2, 2, 1], result):
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with self.subTest("handler%s" % code):
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self.assertEqual(
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error,
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Error(
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"The custom handler%s view 'check_framework.urls."
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"bad_class_based_error_handlers.HandlerView.as_view."
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"<locals>.view' does not take the correct number of "
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"arguments (request%s)."
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% (
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code,
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", exception" if num_params == 2 else "",
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),
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id="urls.E007",
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),
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)
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@override_settings(
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ROOT_URLCONF="check_framework.urls.bad_error_handlers_invalid_path"
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)
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def test_bad_handlers_invalid_path(self):
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result = check_url_config(None)
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paths = [
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"django.views.bad_handler",
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"django.invalid_module.bad_handler",
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"invalid_module.bad_handler",
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"django",
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]
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hints = [
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"Could not import '{}'. View does not exist in module django.views.",
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"Could not import '{}'. Parent module django.invalid_module does not "
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"exist.",
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"No module named 'invalid_module'",
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"Could not import '{}'. The path must be fully qualified.",
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]
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for code, path, hint, error in zip([400, 403, 404, 500], paths, hints, result):
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with self.subTest("handler{}".format(code)):
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self.assertEqual(
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error,
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Error(
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"The custom handler{} view '{}' could not be imported.".format(
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code, path
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),
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hint=hint.format(path),
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id="urls.E008",
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),
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)
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@override_settings(
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ROOT_URLCONF="check_framework.urls.good_function_based_error_handlers",
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)
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def test_good_function_based_handlers(self):
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result = check_url_config(None)
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self.assertEqual(result, [])
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@override_settings(
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ROOT_URLCONF="check_framework.urls.good_class_based_error_handlers",
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)
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def test_good_class_based_handlers(self):
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result = check_url_config(None)
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self.assertEqual(result, [])
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class CheckURLSettingsTests(SimpleTestCase):
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@override_settings(STATIC_URL="a/", MEDIA_URL="b/")
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def test_slash_no_errors(self):
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self.assertEqual(check_url_settings(None), [])
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@override_settings(STATIC_URL="", MEDIA_URL="")
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def test_empty_string_no_errors(self):
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self.assertEqual(check_url_settings(None), [])
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@override_settings(STATIC_URL="noslash")
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def test_static_url_no_slash(self):
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self.assertEqual(check_url_settings(None), [E006("STATIC_URL")])
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@override_settings(STATIC_URL="slashes//")
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def test_static_url_double_slash_allowed(self):
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# The check allows for a double slash, presuming the user knows what
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# they are doing.
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self.assertEqual(check_url_settings(None), [])
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@override_settings(MEDIA_URL="noslash")
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def test_media_url_no_slash(self):
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self.assertEqual(check_url_settings(None), [E006("MEDIA_URL")])
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