Fixed #27698 -- Added django.test.utils.ContextList.get()

django/test/utils.py

@@ -74,6 +74,12 @@ class ContextList(list):
         else:
             return super(ContextList, self).__getitem__(key)
 
+    def get(self, key, default=None):
+        try:
+            return self.__getitem__(key)
+        except KeyError:
+            return default
+
     def __contains__(self, key):
         try:
             self[key]

tests/test_client_regress/tests.py

@@ -961,6 +961,15 @@ class ContextTests(TestDataMixin, TestCase):
         # in every Context without needing to be added.
         self.assertEqual({'None', 'True', 'False', 'hello', 'goodbye', 'python', 'dolly'}, k.keys())
 
+    def test_contextlist_get(self):
+        c1 = Context({'hello': 'world', 'goodbye': 'john'})
+        c2 = Context({'goodbye': 'world', 'python': 'rocks'})
+        k = ContextList([c1, c2])
+        self.assertEqual(k.get('hello'), 'world')
+        self.assertEqual(k.get('goodbye'), 'john')
+        self.assertEqual(k.get('python'), 'rocks')
+        self.assertEqual(k.get('nonexistent', 'default'), 'default')
+
     def test_15368(self):
         # Need to insert a context processor that assumes certain things about
         # the request instance. This triggers a bug caused by some ways of