Ticket #21351: memoize_problem_21351.diff

tests/urlpatterns_reverse/tests.py

@@ -9 +9 @@
 from django.core.exceptions import ImproperlyConfigured, ViewDoesNotExist
 from django.core.urlresolvers import (reverse, reverse_lazy, resolve, get_callable,
     get_resolver, NoReverseMatch, Resolver404, ResolverMatch, RegexURLResolver,
-    RegexURLPattern)
+    RegexURLPattern, _callable_cache)
 from django.http import HttpRequest, HttpResponseRedirect, HttpResponsePermanentRedirect
 from django.shortcuts import redirect
 from django.test import TestCase
@@ -662 +662 @@
 
 class ViewLoadingTests(TestCase):
     def test_view_loading(self):
+        _callable_cache.clear()
+        
         # A missing view (identified by an AttributeError) should raise
         # ViewDoesNotExist, ...
         six.assertRaisesRegex(self, ViewDoesNotExist, ".*View does not exist in.*",
@@ -671 +673 @@
         # swallow it.
         self.assertRaises(AttributeError, get_callable,
             'urlpatterns_reverse.views_broken.i_am_broken')
+
+    def test_can_fail_memorizing(self):
+        _callable_cache.clear()
+
+        # Swallowing an exception is fine...
+        get_callable('urlpatterns_reverse.views.i_should_not_exist', True)
+
+        ## ... but it should not affect non-swallowing calls.
+        six.assertRaisesRegex(self, ViewDoesNotExist,
+                              ".*View does not exist in.*",
+                              get_callable,
+                              'urlpatterns_reverse.views.i_should_not_exist')