first crypto connection tests

tests/tests.py

@@ -10,6 +10,7 @@ from tests_cmd_lines import TestCmdLines
 from tests_server import TestServer
 from tests_client import TestClient
 from tests_unit import Unit
+from tests_crypto_connect import TestCryptoConnect
 
 
 if __name__ == '__main__':

tests/tests_client.py

@@ -13,9 +13,8 @@ class TestClient(unittest.TestCase, CommonTests):
 
     '''
     Run common tests on client side
-    Of course we need a server so we start a server in another
-    process using python Process module
-    Tests that can only be run on client side must be defined here
+    Of course we need a server so we start also start a server
+    Tests that can only be run on client side must be defined  in this class
     '''
     @classmethod
     def setUpClass(self):

tests/tests_crypto_connect.py

+import unittest
+
+from opcua import Client
+from opcua import Server
+from opcua import ua
+
+port_num1 = 48515
+port_num2 = 48512
+
+
+class TestCryptoConnect(unittest.TestCase):
+
+    '''
+    Test connectino with a server supporting crypto 
+
+    '''
+    @classmethod
+    def setUpClass(self):
+        # start our own server
+        self.srv_crypto = Server()
+        self.uri_crypto = 'opc.tcp://localhost:%d' % port_num1
+        self.srv_crypto.set_endpoint(self.uri_crypto)
+        # load server certificate and private key. This enables endpoints
+        # with signing and encryption.
+        self.srv_crypto.load_certificate("examples/example-certificate.der")
+        self.srv_crypto.load_private_key("examples/example-private-key.pem")
+        self.srv_crypto.start()
+
+        # start a server without crypto
+        self.srv_no_crypto = Server()
+        self.uri_no_crypto = 'opc.tcp://localhost:%d' % port_num2
+        self.srv_no_crypto.set_endpoint(self.uri_no_crypto)
+        self.srv_no_crypto.start()
+
+    @classmethod
+    def tearDownClass(self):
+        # stop the server 
+        self.srv_no_crypto.stop()
+        self.srv_crypto.stop()
+
+    def test_nocrypto(self):
+        clt = Client(self.uri_no_crypto)
+        clt.connect()
+        try:
+            clt.get_objects_node().get_children()
+        finally:
+            clt.disconnect()
+
+    def test_nocrypto_feil(self):
+        clt = Client(self.uri_no_crypto)
+        with self.assertRaises(ua.UaError):
+            clt.set_security_string("Basic256,Sign,examples/example-certificate.der,examples/example-private-key.pem")
+
+    def test_basic256(self):
+        clt = Client(self.uri_crypto)
+        try:
+            clt.set_security_string("Basic256,Sign,examples/example-certificate.der,examples/example-private-key.pem")
+            clt.connect()
+            self.assertTrue(clt.get_objects_node().get_children())
+        finally:
+            clt.disconnect()
+
+
+