diff --git a/oslo_policy/fixture.py b/oslo_policy/fixture.py
new file mode 100644
index 00000000..a12aa1f9
--- /dev/null
+++ b/oslo_policy/fixture.py
@@ -0,0 +1,34 @@
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+
+__all__ = ['HttpCheckFixture']
+
+import fixtures
+
+from oslo_policy import policy as oslo_policy
+
+
+class HttpCheckFixture(fixtures.MockPatchObject):
+    """Helps short circuit the external http call"""
+
+    def __init__(self, return_value=True):
+        """Initialize the fixture.
+
+        :param return_value: True implies the policy check passed and False
+               implies that the policy check failed
+        :type return_value: boolean
+        """
+        super(HttpCheckFixture, self).__init__(
+            oslo_policy._checks.HttpCheck,
+            '__call__',
+            return_value=return_value
+        )
diff --git a/oslo_policy/tests/test_fixtures.py b/oslo_policy/tests/test_fixtures.py
new file mode 100644
index 00000000..074c2dab
--- /dev/null
+++ b/oslo_policy/tests/test_fixtures.py
@@ -0,0 +1,37 @@
+#    Licensed under the Apache License, Version 2.0 (the "License"); you may
+#    not use this file except in compliance with the License. You may obtain
+#    a copy of the License at
+#
+#         http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+#    License for the specific language governing permissions and limitations
+#    under the License.
+
+import json
+
+from oslo_policy import fixture
+from oslo_policy import policy as oslo_policy
+from oslo_policy.tests import base as test_base
+
+
+class FixtureTestCase(test_base.PolicyBaseTestCase):
+    def test_enforce_http_true(self):
+        self.assertTrue(self._test_enforce_http(True))
+
+    def test_enforce_http_false(self):
+        self.assertFalse(self._test_enforce_http(False))
+
+    def _test_enforce_http(self, return_value):
+        self.useFixture(fixture.HttpCheckFixture(return_value=return_value))
+        action = self.getUniqueString()
+        rules_json = {
+            action: "http:" + self.getUniqueString()
+        }
+        rules = oslo_policy.Rules.load_json(json.dumps(rules_json))
+        self.enforcer.set_rules(rules)
+        return self.enforcer.enforce(rule=action,
+                                     target={},
+                                     creds={})