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import unittest |
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from opcua import Client |
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from opcua import Server |
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from opcua import ua |
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from tests_common import CommonTests, add_server_methods |
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port_num1 = 48510 |
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class TestClient(unittest.TestCase, CommonTests): |
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''' |
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Run common tests on client side |
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Of course we need a server so we start a server in another |
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process using python Process module |
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Tests that can only be run on client side must be defined here |
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''' |
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@classmethod |
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def setUpClass(self): |
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# start our own server |
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self.srv = Server() |
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self.srv.set_endpoint('opc.tcp://localhost:%d' % port_num1) |
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add_server_methods(self.srv) |
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self.srv.start() |
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# start admin client |
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self.clt = Client('opc.tcp://admin@localhost:%d' % port_num1) |
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self.clt.connect() |
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self.opc = self.clt |
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# start anonymous client |
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self.ro_clt = Client('opc.tcp://localhost:%d' % port_num1) |
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self.ro_clt.connect() |
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@classmethod |
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def tearDownClass(self): |
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#stop our clients |
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self.ro_clt.disconnect() |
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self.clt.disconnect() |
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# stop the server |
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self.srv.stop() |
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def test_service_fault(self): |
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request = ua.ReadRequest() |
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request.TypeId = ua.FourByteNodeId(999) # bad type! |
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with self.assertRaises(ua.UaStatusCodeError): |
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self.clt.uaclient._uasocket.send_request(request) |
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def test_objects_anonymous(self): |
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objects = self.ro_clt.get_objects_node() |
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with self.assertRaises(ua.UaStatusCodeError): |
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objects.set_attribute(ua.AttributeIds.WriteMask, ua.DataValue(999)) |
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with self.assertRaises(ua.UaStatusCodeError): |
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f = objects.add_folder(3, 'MyFolder') |
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def test_folder_anonymous(self): |
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objects = self.clt.get_objects_node() |
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f = objects.add_folder(3, 'MyFolderRO') |
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f_ro = self.ro_clt.get_node(f.nodeid) |
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self.assertEqual(f, f_ro) |
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with self.assertRaises(ua.UaStatusCodeError): |
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f2 = f_ro.add_folder(3, 'MyFolder2') |
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def test_variable_anonymous(self): |
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objects = self.clt.get_objects_node() |
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v = objects.add_variable(3, 'MyROVariable', 6) |
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v.set_value(4) #this should work |
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v_ro = self.ro_clt.get_node(v.nodeid) |
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with self.assertRaises(ua.UaStatusCodeError): |
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v_ro.set_value(2) |
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self.assertEqual(v_ro.get_value(), 4) |
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v.set_writable(True) |
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v_ro.set_value(2) #now it should work |
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self.assertEqual(v_ro.get_value(), 2) |
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v.set_writable(False) |
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with self.assertRaises(ua.UaStatusCodeError): |
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v_ro.set_value(9) |
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self.assertEqual(v_ro.get_value(), 2) |
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FreeOpcUa /
python-opcua
