add a test for default configuration behavior

kubernetes/test/test_configuration.py

@@ -0,0 +1,39 @@
+# coding: utf-8
+
+import unittest
+
+from kubernetes.client import Configuration
+
+class TestConfiguration(unittest.TestCase):
+
+    def setUp(self):
+        pass
+
+    def tearDown(self):
+        # reset Configuration
+        Configuration.set_default(None)
+
+    def testConfiguration(self):
+        # check that different instances use different dictionaries
+        c1 = Configuration()
+        c2 = Configuration()
+        self.assertNotEqual(id(c1.api_key), id(c2.api_key))
+        self.assertNotEqual(id(c1.api_key_prefix), id(c2.api_key_prefix))
+
+    def testDefaultConfiguration(self):
+        # prepare default configuration
+        c1 = Configuration(host="example.com")
+        c1.debug = True
+        Configuration.set_default(c1)
+
+        # get default configuration
+        c2 = Configuration.get_default_copy()
+        self.assertEqual(c2.host, "example.com")
+        self.assertTrue(c2.debug)
+
+        self.assertNotEqual(id(c1.api_key), id(c2.api_key))
+        self.assertNotEqual(id(c1.api_key_prefix), id(c2.api_key_prefix))
+
+
+if __name__ == '__main__':
+    unittest.main()