@@ -0,0 +1,45 @@
+from proxy import Proxy
+from io import StringIO
+import sys
+
+if sys.version_info < (2, 7):
+    import unittest2 as unittest
+else:
+    import unittest
+
+class ProxyTest(unittest.TestCase):
+
+    @classmethod
+    def setUpClass(self):
+        """ Class scope setup. """
+        self.p = Proxy()
+
+    def setUp(self):
+        """ Function/test case scope setup. """
+        self.output = StringIO()
+        self.saved_stdout = sys.stdout
+        sys.stdout = self.output
+
+    def tearDown(self):
+        """ Function/test case scope teardown. """
+        self.output.close()
+        sys.stdout = self.saved_stdout
+
+    def test_sales_manager_shall_work_through_proxy(self):
+        self.p.busy = 'No'
+        self.p.work()
+        print_output = self.output.getvalue()
+        expected_print_output = 'Proxy checking for Sales Manager availability\n\
+Sales Manager ready to talk\n'
+        self.assertEqual(print_output, expected_print_output)
+
+    def test_sales_manager_shall_respond_through_proxy(self):
+        self.p.busy = 'Yes'
+        self.p.work()
+        print_output = self.output.getvalue()
+        expected_print_output = 'Proxy checking for Sales Manager availability\n\
+Sales Manager is busy\n'
+        self.assertEqual(print_output, expected_print_output)
+
+if __name__ == "__main__":
+    unittest.main()