Merge "Add utils.misc unit tests"
diff --git a/tempest/tests/common/utils/test_misc.py b/tempest/tests/common/utils/test_misc.py
new file mode 100644
index 0000000..b8c6184
--- /dev/null
+++ b/tempest/tests/common/utils/test_misc.py
@@ -0,0 +1,52 @@
+# Copyright 2014 NEC Corporation.
+# All Rights Reserved.
+#
+#    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.
+
+
+from tempest.common.utils import misc
+from tempest.tests import base
+
+
+@misc.singleton
+class TestFoo(object):
+
+    count = 0
+
+    def increment(self):
+        self.count += 1
+        return self.count
+
+
+@misc.singleton
+class TestBar(object):
+
+    count = 0
+
+    def increment(self):
+        self.count += 1
+        return self.count
+
+
+class TestMisc(base.TestCase):
+
+    def test_singleton(self):
+        test = TestFoo()
+        self.assertEqual(0, test.count)
+        self.assertEqual(1, test.increment())
+        test2 = TestFoo()
+        self.assertEqual(1, test.count)
+        self.assertEqual(1, test2.count)
+        self.assertEqual(test, test2)
+        test3 = TestBar()
+        self.assertNotEqual(test, test3)