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import unittest |
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from tests_common import CommonTests, add_server_methods, MySubHandler |
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import time |
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from datetime import timedelta |
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import opcua |
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from opcua import Server |
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from opcua import Client |
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from opcua import ua |
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from opcua import uamethod |
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port_num = 485140 |
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port_discovery = 48550 |
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class TestServer(unittest.TestCase, CommonTests): |
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''' |
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Run common tests on server side |
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Tests that can only be run on server 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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self.srv = Server() |
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self.srv.set_endpoint('opc.tcp://localhost:%d' % port_num) |
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add_server_methods(self.srv) |
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self.srv.start() |
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self.opc = self.srv |
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self.discovery = Server() |
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self.discovery.set_application_uri("urn:freeopcua:python:discovery") |
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self.discovery.set_endpoint('opc.tcp://localhost:%d' % port_discovery) |
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self.discovery.start() |
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@classmethod |
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def tearDownClass(self): |
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self.srv.stop() |
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self.discovery.stop() |
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def test_discovery(self): |
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client = Client(self.discovery.endpoint.geturl()) |
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client.connect() |
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try: |
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servers = client.find_servers() |
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new_app_uri = "urn:freeopcua:python:server:test_discovery" |
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self.srv.application_uri = new_app_uri |
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self.srv.register_to_discovery(self.discovery.endpoint.geturl(), 0) |
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time.sleep(0.1) # let server register registration |
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new_servers = client.find_servers() |
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self.assertEqual(len(new_servers) - len(servers) , 1) |
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self.assertFalse(new_app_uri in [s.ApplicationUri for s in servers]) |
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self.assertTrue(new_app_uri in [s.ApplicationUri for s in new_servers]) |
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finally: |
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client.disconnect() |
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def test_find_servers2(self): |
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client = Client(self.discovery.endpoint.geturl()) |
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client.connect() |
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try: |
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servers = client.find_servers() |
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new_app_uri1 = "urn:freeopcua:python:server:test_discovery1" |
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self.srv.application_uri = new_app_uri1 |
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self.srv.register_to_discovery(self.discovery.endpoint.geturl(), period=0) |
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new_app_uri2 = "urn:freeopcua:python:test_discovery2" |
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self.srv.application_uri = new_app_uri2 |
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self.srv.register_to_discovery(self.discovery.endpoint.geturl(), period=0) |
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time.sleep(0.1) # let server register registration |
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new_servers = client.find_servers() |
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self.assertEqual(len(new_servers) - len(servers) , 2) |
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self.assertFalse(new_app_uri1 in [s.ApplicationUri for s in servers]) |
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self.assertFalse(new_app_uri2 in [s.ApplicationUri for s in servers]) |
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self.assertTrue(new_app_uri1 in [s.ApplicationUri for s in new_servers]) |
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self.assertTrue(new_app_uri2 in [s.ApplicationUri for s in new_servers]) |
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# now do a query with filer |
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new_servers = client.find_servers(["urn:freeopcua:python:server"]) |
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self.assertEqual(len(new_servers) - len(servers) , 0) |
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self.assertTrue(new_app_uri1 in [s.ApplicationUri for s in new_servers]) |
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self.assertFalse(new_app_uri2 in [s.ApplicationUri for s in new_servers]) |
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# now do a query with filer |
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new_servers = client.find_servers(["urn:freeopcua:python"]) |
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self.assertEqual(len(new_servers) - len(servers) , 2) |
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self.assertTrue(new_app_uri1 in [s.ApplicationUri for s in new_servers]) |
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self.assertTrue(new_app_uri2 in [s.ApplicationUri for s in new_servers]) |
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finally: |
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client.disconnect() |
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""" |
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# not sure if this test is necessary, and there is a lot repetition with previous test |
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def test_discovery_server_side(self): |
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servers = self.discovery.find_servers() |
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self.assertEqual(len(servers), 1) |
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self.srv.register_to_discovery(self.discovery.endpoint.geturl(), 1) |
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time.sleep(1) # let server register registration |
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servers = self.discovery.find_servers() |
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print("SERVERS 2", servers) |
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self.assertEqual(len(servers), 2) |
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""" |
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#def test_register_server2(self): |
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#servers = self.opc.register_server() |
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def test_register_namespace(self): |
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uri = 'http://mycustom.Namespace.com' |
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idx1 = self.opc.register_namespace(uri) |
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idx2 = self.opc.get_namespace_index(uri) |
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self.assertEqual(idx1, idx2) |
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def test_register_use_namespace(self): |
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uri = 'http://my_very_custom.Namespace.com' |
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idx = self.opc.register_namespace(uri) |
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root = self.opc.get_root_node() |
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myvar = root.add_variable(idx, 'var_in_custom_namespace', [5]) |
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myid = myvar.nodeid |
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self.assertEqual(idx, myid.NamespaceIndex) |
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def test_server_method(self): |
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def func(parent, variant): |
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variant.Value *= 2 |
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return [variant] |
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o = self.opc.get_objects_node() |
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v = o.add_method(3, 'Method1', func, [ua.VariantType.Int64], [ua.VariantType.Int64]) |
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result = o.call_method(v, ua.Variant(2.1)) |
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self.assertEqual(result, 4.2) |
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def test_xml_import(self): |
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self.srv.import_xml("tests/custom_nodes.xml") |
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o = self.opc.get_objects_node() |
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v = o.get_child(["MyXMLFolder", "MyXMLObject", "MyXMLVariable"]) |
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val = v.get_value() |
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self.assertEqual(val, "StringValue") |
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def test_historize(self): |
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o = self.opc.get_objects_node() |
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var = o.add_variable(3, "test_hist", 1.0) |
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self.srv.iserver.enable_history(var, timedelta(days=1)) |
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time.sleep(1) |
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var.set_value(2.0) |
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var.set_value(3.0) |
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self.srv.iserver.disable_history(var) |
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def test_references_for_added_nodes_method(self): |
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objects = self.opc.get_objects_node() |
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o = objects.add_object(3, 'MyObject') |
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nodes = objects.get_referenced_nodes(refs=ua.ObjectIds.Organizes, direction=ua.BrowseDirection.Forward, includesubtypes=False) |
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self.assertTrue(o in nodes) |
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nodes = o.get_referenced_nodes(refs=ua.ObjectIds.Organizes, direction=ua.BrowseDirection.Inverse, includesubtypes=False) |
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self.assertTrue(objects in nodes) |
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self.assertEqual(o.get_parent(), objects) |
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self.assertEqual(o.get_type_definition(), ua.ObjectIds.BaseObjectType) |
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@uamethod |
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def callback(parent): |
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return |
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m = o.add_method(3, 'MyMethod', callback) |
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nodes = o.get_referenced_nodes(refs=ua.ObjectIds.HasComponent, direction=ua.BrowseDirection.Forward, includesubtypes=False) |
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self.assertTrue(m in nodes) |
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nodes = m.get_referenced_nodes(refs=ua.ObjectIds.HasComponent, direction=ua.BrowseDirection.Inverse, includesubtypes=False) |
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self.assertTrue(o in nodes) |
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self.assertEqual(m.get_parent(), o) |
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# This should work for following BaseEvent tests to work (maybe to write it a bit differentlly since they are not independent) |
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def test_get_event_from_node_BaseEvent(self): |
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ev = opcua.common.event.get_event_from_node(opcua.Node(self.opc.iserver.isession, ua.NodeId(ua.ObjectIds.BaseEventType))) |
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check_base_event(self, ev) |
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def test_eventgenerator_default(self): |
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evgen = self.opc.get_event_generator() |
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check_eventgenerator_BaseEvent(self, evgen) |
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check_eventgenerator_SourceServer(self, evgen) |
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def test_eventgenerator_BaseEvent_object(self): |
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evgen = self.opc.get_event_generator(ua.BaseEvent()) |
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check_eventgenerator_BaseEvent(self, evgen) |
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check_eventgenerator_SourceServer(self, evgen) |
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def test_eventgenerator_BaseEvent_Node(self): |
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evgen = self.opc.get_event_generator(opcua.Node(self.opc.iserver.isession, ua.NodeId(ua.ObjectIds.BaseEventType))) |
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check_eventgenerator_BaseEvent(self, evgen) |
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check_eventgenerator_SourceServer(self, evgen) |
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182
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def test_eventgenerator_BaseEvent_NodeId(self): |
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evgen = self.opc.get_event_generator(ua.NodeId(ua.ObjectIds.BaseEventType)) |
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check_eventgenerator_BaseEvent(self, evgen) |
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check_eventgenerator_SourceServer(self, evgen) |
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187
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def test_eventgenerator_BaseEvent_ObjectIds(self): |
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evgen = self.opc.get_event_generator(ua.ObjectIds.BaseEventType) |
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check_eventgenerator_BaseEvent(self, evgen) |
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check_eventgenerator_SourceServer(self, evgen) |
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192
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def test_eventgenerator_BaseEvent_Identifier(self): |
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evgen = self.opc.get_event_generator(2041) |
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check_eventgenerator_BaseEvent(self, evgen) |
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check_eventgenerator_SourceServer(self, evgen) |
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197
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def test_eventgenerator_sourceServer_Node(self): |
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evgen = self.opc.get_event_generator(source=opcua.Node(self.opc.iserver.isession, ua.NodeId(ua.ObjectIds.Server))) |
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check_eventgenerator_BaseEvent(self, evgen) |
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200
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check_eventgenerator_SourceServer(self, evgen) |
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202
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def test_eventgenerator_sourceServer_NodeId(self): |
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evgen = self.opc.get_event_generator(source=ua.NodeId(ua.ObjectIds.Server)) |
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check_eventgenerator_BaseEvent(self, evgen) |
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check_eventgenerator_SourceServer(self, evgen) |
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207
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def test_eventgenerator_sourceServer_ObjectIds(self): |
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evgen = self.opc.get_event_generator(source=ua.ObjectIds.Server) |
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check_eventgenerator_BaseEvent(self, evgen) |
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check_eventgenerator_SourceServer(self, evgen) |
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212
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def test_eventgenerator_sourceMyObject(self): |
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objects = self.opc.get_objects_node() |
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o = objects.add_object(3, 'MyObject') |
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evgen = self.opc.get_event_generator(source=o) |
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check_eventgenerator_BaseEvent(self, evgen) |
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self.assertEqual(evgen.event.SourceName, 'MyObject') |
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self.assertEqual(evgen.event.SourceNode, o.nodeid) |
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self.assertEqual(o.get_attribute(ua.AttributeIds.EventNotifier).Value, ua.Variant(1, ua.VariantType.Byte)) |
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221
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def test_eventgenerator_source_collision(self): |
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objects = self.opc.get_objects_node() |
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o = objects.add_object(3, 'MyObject') |
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event = ua.BaseEvent(sourcenode=o.nodeid) |
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evgen = self.opc.get_event_generator(event, ua.ObjectIds.Server) |
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check_eventgenerator_BaseEvent(self, evgen) |
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self.assertEqual(evgen.event.SourceName, 'MyObject') |
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self.assertEqual(evgen.event.SourceNode, o.nodeid) |
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self.assertEqual(o.get_attribute(ua.AttributeIds.EventNotifier).Value, ua.Variant(1, ua.VariantType.Byte)) |
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231
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#def test_eventgenerator_InheritedEvent(self): |
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#pass |
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234
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#def test_events_default(self): |
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#msclt = MySubHandler() |
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236
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#sub = self.opc.create_subscription(100, msclt) |
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237
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#handle = sub.subscribe_events() |
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238
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239
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#ev = EventGenerator(self.srv.iserver.isession) |
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240
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#msg = b"this is my msg " |
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241
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#ev.Message.Text = msg |
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242
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#tid = datetime.utcnow() |
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#ev.Time = tid |
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#ev.Severity = 500 |
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#ev.trigger() |
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246
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247
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#ev = msclt.future.result() |
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248
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#self.assertIsNot(ev, None) # we did not receive event |
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249
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#self.assertEqual(ev.SourceNode, self.opc.get_server_node().nodeid) |
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250
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#self.assertEqual(ev.Message.Text, msg) |
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##self.assertEqual(msclt.ev.Time, tid) |
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252
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#self.assertEqual(ev.Severity, 500) |
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253
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254
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## time.sleep(0.1) |
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255
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#sub.unsubscribe(handle) |
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256
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#sub.delete() |
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257
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258
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def test_create_custom_event_ObjectId(self): |
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259
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event = self.opc.create_custom_event(2, 'MyEvent', ua.ObjectIds.BaseEventType, [('PropertyNum', ua.VariantType.Float), ('PropertyString', ua.VariantType.String)]) |
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260
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check_custom_event(self, event) |
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261
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262
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def test_create_custom_event_NodeId(self): |
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263
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event = self.opc.create_custom_event(2, 'MyEvent', ua.NodeId(ua.ObjectIds.BaseEventType), [('PropertyNum', ua.VariantType.Float), ('PropertyString', ua.VariantType.String)]) |
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264
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check_custom_event(self, event) |
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265
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266
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def test_create_custom_event_Node(self): |
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267
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event = self.opc.create_custom_event(2, 'MyEvent', opcua.Node(self.opc.iserver.isession, ua.NodeId(ua.ObjectIds.BaseEventType)), [('PropertyNum', ua.VariantType.Float), ('PropertyString', ua.VariantType.String)]) |
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268
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check_custom_event(self, event) |
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269
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270
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def test_get_event_from_node_CustomEvent(self): |
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271
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event = self.opc.create_custom_event(2, 'MyEvent', ua.ObjectIds.BaseEventType, [('PropertyNum', ua.VariantType.Float), ('PropertyString', ua.VariantType.String)]) |
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272
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273
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ev = opcua.common.event.get_event_from_node(event) |
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274
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check_base_event(self, ev) |
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275
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self.assertEqual(ev.PropertyNum, None) |
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276
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self.assertEqual(ev.PropertyString, None) |
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277
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278
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View Code Duplication |
def test_eventgenerator_customEvent(self): |
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279
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event = self.opc.create_custom_event(2, 'MyEvent', ua.ObjectIds.BaseEventType, [('PropertyNum', ua.VariantType.Float), ('PropertyString', ua.VariantType.String)]) |
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280
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281
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evgen = self.opc.get_event_generator(event, ua.ObjectIds.Server) |
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282
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check_eventgenerator_BaseEvent(self, evgen) |
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283
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check_eventgenerator_SourceServer(self, evgen) |
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284
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285
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self.assertEqual(evgen.event.PropertyNum, None) |
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286
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self.assertEqual(evgen.event.PropertyString, None) |
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287
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288
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View Code Duplication |
def test_eventgenerator_Double_customEvent(self): |
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289
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event = self.opc.create_custom_event(2, 'MyEvent', ua.ObjectIds.BaseEventType, [('PropertyNum', ua.VariantType.Float), ('PropertyString', ua.VariantType.String)]) |
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290
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291
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292
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293
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evgen = self.opc.get_event_generator(event, ua.ObjectIds.Server) |
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294
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check_eventgenerator_BaseEvent(self, evgen) |
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295
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check_eventgenerator_SourceServer(self, evgen) |
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296
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297
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self.assertEqual(evgen.event.PropertyNum, None) |
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298
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self.assertEqual(evgen.event.PropertyString, None) |
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299
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300
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def test_eventgenerator_customEvent_MyObject(self): |
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301
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objects = self.opc.get_objects_node() |
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302
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o = objects.add_object(3, 'MyObject') |
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303
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event = self.opc.create_custom_event(2, 'MyEvent', ua.ObjectIds.BaseEventType, [('PropertyNum', ua.VariantType.Float), ('PropertyString', ua.VariantType.String)]) |
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304
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|
305
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evgen = self.opc.get_event_generator(event, o) |
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306
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check_eventgenerator_BaseEvent(self, evgen) |
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307
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self.assertEqual(evgen.event.SourceName, 'MyObject') |
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308
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self.assertEqual(evgen.event.SourceNode, o.nodeid) |
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309
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self.assertEqual(o.get_attribute(ua.AttributeIds.EventNotifier).Value, ua.Variant(1, ua.VariantType.Byte)) |
|
310
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311
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self.assertEqual(evgen.event.PropertyNum, None) |
|
312
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self.assertEqual(evgen.event.PropertyString, None) |
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313
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314
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315
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#def test_get_event_from_node_InheritanceEvent(self): |
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316
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#ev = opcua.common.event.get_event_from_node(opcua.Node(self.opc.iserver.isession, ua.NodeId(ua.ObjectIds.AuditEventType))) |
|
317
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#self.assertIsNot(ev, None) # we did not receive event |
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318
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#self.assertIsInstance(ev, ua.BaseEvent) |
|
319
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#self.assertIsInstance(ev, ua.AuditEventType) |
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320
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#self.assertEqual(ev.EventType, ua.NodeId(ua.ObjectIds.AuditEventType)) |
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321
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#self.assertEqual(ev.SourceNode, ua.NodeId(ua.ObjectIds.Server)) |
|
322
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#self.assertEqual(ev.Severity, ua.Variant(1, ua.VariantType.UInt16)) |
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323
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#self.assertEqual(ev._freeze, True) |
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324
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|
325
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def test_eventgenerator_CustomEvent_object(self): |
|
326
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pass |
|
327
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|
328
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def test_eventgenerator_CustomEvent_Node(self): |
|
329
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pass |
|
330
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|
|
331
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def test_eventgenerator_CustomEvent_NodeId(self): |
|
332
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pass |
|
333
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|
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|
334
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def test_eventgenerator_CustomEvent_ObjectIds(self): |
|
335
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pass |
|
336
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|
|
337
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|
338
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def check_eventgenerator_BaseEvent(test, evgen): |
|
339
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test.assertIsNot(evgen, None) # we did not receive event generator |
|
340
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test.assertIs(evgen.isession, test.opc.iserver.isession) |
|
341
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|
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check_base_event(test, evgen.event) |
|
342
|
|
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|
|
343
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|
344
|
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def check_base_event(test, ev): |
|
345
|
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|
test.assertIsNot(ev, None) # we did not receive event |
|
346
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|
test.assertIsInstance(ev, ua.BaseEvent) |
|
347
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|
|
test.assertEqual(ev.EventType, ua.NodeId(ua.ObjectIds.BaseEventType)) |
|
348
|
|
|
test.assertEqual(ev.Severity, ua.Variant(1, ua.VariantType.UInt16)) |
|
349
|
|
|
test.assertEqual(ev._freeze, True) |
|
350
|
|
|
|
|
351
|
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|
|
352
|
|
|
def check_eventgenerator_SourceServer(test, evgen): |
|
353
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|
|
test.assertEqual(evgen.event.SourceName, test.opc.get_server_node().get_display_name().Text) |
|
354
|
|
|
test.assertEqual(evgen.event.SourceNode, ua.NodeId(ua.ObjectIds.Server)) |
|
355
|
|
|
test.assertEqual(test.opc.get_server_node().get_attribute(ua.AttributeIds.EventNotifier).Value, ua.Variant(1, ua.VariantType.Byte)) |
|
356
|
|
|
|
|
357
|
|
|
|
|
358
|
|
|
def check_custom_event(test, ev): |
|
359
|
|
|
base = opcua.Node(test.opc.iserver.isession, ua.NodeId(ua.ObjectIds.BaseEventType)) |
|
360
|
|
|
test.assertTrue(ev in base.get_children()) |
|
361
|
|
|
nodes = ev.get_referenced_nodes(refs=ua.ObjectIds.HasSubtype, direction=ua.BrowseDirection.Inverse, includesubtypes=False) |
|
362
|
|
|
test.assertEqual(base, nodes[0]) |
|
363
|
|
|
properties = ev.get_properties() |
|
364
|
|
|
test.assertIsNot(properties, None) |
|
365
|
|
|
test.assertEqual(len(properties), 2) |
|
366
|
|
|
test.assertTrue(ev.get_child("2:PropertyNum") in properties) |
|
367
|
|
|
test.assertTrue(ev.get_child("2:PropertyString") in properties) |
|
368
|
|
|
|
FreeOpcUa /
python-opcua
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