Fixed #26263 -- Deprecated Context.has_key()

1 files changed, 23 insertions, 1 deletions

diff --git a/tests/template_tests/test_context.py b/tests/template_tests/test_context.py
index 87b2016aa5..2fa7715d27 100644
--- a/tests/template_tests/test_context.py
+++ b/tests/template_tests/test_context.py
@@ -1,11 +1,13 @@
 # -*- coding: utf-8 -*-
+import warnings
 
 from django.http import HttpRequest
 from django.template import (
     Context, Engine, RequestContext, Template, Variable, VariableDoesNotExist,
 )
 from django.template.context import RenderContext
-from django.test import RequestFactory, SimpleTestCase
+from django.test import RequestFactory, SimpleTestCase, ignore_warnings
+from django.utils.deprecation import RemovedInDjango20Warning
 
 
 class ContextTests(SimpleTestCase):
@@ -182,6 +184,26 @@ class ContextTests(SimpleTestCase):
         """
         RequestContext(HttpRequest()).new().new()
 
+    @ignore_warnings(category=RemovedInDjango20Warning)
+    def test_has_key(self):
+        a = Context({'a': 1})
+        b = RequestContext(HttpRequest(), {'a': 1})
+        msg = "Context.has_key() is deprecated in favor of the 'in' operator."
+        msg2 = "RequestContext.has_key() is deprecated in favor of the 'in' operator."
+
+        with warnings.catch_warnings(record=True) as warns:
+            warnings.simplefilter('always')
+            self.assertEqual(a.has_key('a'), True)
+            self.assertEqual(a.has_key('b'), False)
+            self.assertEqual(b.has_key('a'), True)
+            self.assertEqual(b.has_key('b'), False)
+
+        self.assertEqual(len(warns), 4)
+        self.assertEqual(str(warns[0].message), msg)
+        self.assertEqual(str(warns[1].message), msg)
+        self.assertEqual(str(warns[2].message), msg2)
+        self.assertEqual(str(warns[3].message), msg2)
+
 
 class RequestContextTests(SimpleTestCase):