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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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162
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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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167
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def test_create_custom_event(self): |
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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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170
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base = opcua.Node(self.opc.iserver.isession, ua.NodeId(ua.ObjectIds.BaseEventType)) |
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self.assertTrue(event in base.get_children()) |
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nodes = event.get_referenced_nodes(refs=ua.ObjectIds.HasSubtype, direction=ua.BrowseDirection.Inverse, includesubtypes=False) |
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self.assertEqual(base, nodes[0]) |
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properties = event.get_properties() |
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self.assertIsNot(properties, None) |
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177
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def test_get_event_from_node_CustomEvent(self): |
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178
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ev = opcua.common.event.get_event_from_node(opcua.Node(self.opc.iserver.isession, ua.NodeId(ua.ObjectIds.AuditEventType))) |
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179
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check_base_event(self, ev) |
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180
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181
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#def test_get_event_from_node_InheritanceEvent(self): |
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182
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#ev = opcua.common.event.get_event_from_node(opcua.Node(self.opc.iserver.isession, ua.NodeId(ua.ObjectIds.AuditEventType))) |
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183
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#self.assertIsNot(ev, None) # we did not receive event |
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184
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#self.assertIsInstance(ev, ua.BaseEvent) |
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185
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#self.assertIsInstance(ev, ua.AuditEventType) |
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186
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#self.assertEqual(ev.EventType, ua.NodeId(ua.ObjectIds.AuditEventType)) |
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187
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#self.assertEqual(ev.SourceNode, ua.NodeId(ua.ObjectIds.Server)) |
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188
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#self.assertEqual(ev.Severity, ua.Variant(1, ua.VariantType.UInt16)) |
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189
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#self.assertEqual(ev._freeze, True) |
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190
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191
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1 |
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def test_eventgenerator_default(self): |
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192
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1 |
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evgen = self.opc.get_event_generator() |
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193
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1 |
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check_eventgenerator_BaseEvent(self, evgen) |
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194
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195
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1 |
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def test_eventgenerator_BaseEvent_object(self): |
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196
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1 |
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evgen = self.opc.get_event_generator(ua.BaseEvent()) |
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197
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1 |
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check_eventgenerator_BaseEvent(self, evgen) |
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198
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199
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1 |
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def test_eventgenerator_BaseEvent_Node(self): |
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200
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1 |
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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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201
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1 |
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check_eventgenerator_BaseEvent(self, evgen) |
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202
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203
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1 |
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def test_eventgenerator_BaseEvent_NodeId(self): |
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204
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1 |
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evgen = self.opc.get_event_generator(ua.NodeId(ua.ObjectIds.BaseEventType)) |
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205
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1 |
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check_eventgenerator_BaseEvent(self, evgen) |
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206
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207
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1 |
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def test_eventgenerator_BaseEvent_ObjectIds(self): |
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208
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1 |
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evgen = self.opc.get_event_generator(ua.ObjectIds.BaseEventType) |
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209
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check_eventgenerator_BaseEvent(self, evgen) |
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210
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211
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1 |
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def test_eventgenerator_BaseEvent_Identifier(self): |
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212
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1 |
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evgen = self.opc.get_event_generator(2041) |
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213
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1 |
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check_eventgenerator_BaseEvent(self, evgen) |
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214
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215
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1 |
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def test_eventgenerator_sourceServer_Node(self): |
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216
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1 |
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pass |
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217
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218
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1 |
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def test_eventgenerator_sourceServer_NodeId(self): |
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219
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1 |
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pass |
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220
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221
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1 |
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def test_eventgenerator_sourceServer_ObjectIds(self): |
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222
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1 |
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pass |
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223
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224
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1 |
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def test_eventgenerator_CustomEvent_object(self): |
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225
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1 |
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pass |
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226
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227
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1 |
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def test_eventgenerator_CustomEvent_Node(self): |
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228
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1 |
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pass |
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229
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230
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1 |
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def test_eventgenerator_CustomEvent_NodeId(self): |
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231
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1 |
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pass |
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232
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233
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1 |
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def test_eventgenerator_CustomEvent_ObjectIds(self): |
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234
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1 |
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pass |
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235
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236
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#def test_eventgenerator_InheritedEvent(self): |
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237
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#pass |
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238
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239
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240
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241
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#def test_events_default(self): |
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242
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#msclt = MySubHandler() |
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243
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#sub = self.opc.create_subscription(100, msclt) |
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244
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#handle = sub.subscribe_events() |
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245
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246
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#ev = EventGenerator(self.srv.iserver.isession) |
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247
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#msg = b"this is my msg " |
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248
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#ev.Message.Text = msg |
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249
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#tid = datetime.utcnow() |
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250
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#ev.Time = tid |
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251
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#ev.Severity = 500 |
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252
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#ev.trigger() |
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253
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254
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#ev = msclt.future.result() |
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255
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#self.assertIsNot(ev, None) # we did not receive event |
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256
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#self.assertEqual(ev.SourceNode, self.opc.get_server_node().nodeid) |
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257
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#self.assertEqual(ev.Message.Text, msg) |
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258
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##self.assertEqual(msclt.ev.Time, tid) |
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259
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#self.assertEqual(ev.Severity, 500) |
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260
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261
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## time.sleep(0.1) |
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262
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#sub.unsubscribe(handle) |
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263
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#sub.delete() |
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264
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265
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1 |
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def check_eventgenerator_BaseEvent(test, evgen): |
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266
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1 |
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test.assertIsNot(evgen, None) # we did not receive event generator |
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267
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1 |
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test.assertIs(evgen.isession, test.opc.iserver.isession) |
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268
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1 |
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check_base_event(test, evgen.event) |
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269
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1 |
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test.assertEqual(evgen.event.SourceName, test.opc.get_server_node().get_display_name().Text) |
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270
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1 |
|
test.assertEqual(test.opc.get_server_node().get_attribute(ua.AttributeIds.EventNotifier).Value, ua.Variant(1, ua.VariantType.Byte)) |
|
271
|
|
|
|
|
272
|
|
|
|
|
273
|
1 |
|
def check_base_event(test, ev): |
|
274
|
1 |
|
test.assertIsNot(ev, None) # we did not receive event |
|
275
|
1 |
|
test.assertIsInstance(ev, ua.BaseEvent) |
|
276
|
1 |
|
test.assertEqual(ev.EventType, ua.NodeId(ua.ObjectIds.BaseEventType)) |
|
277
|
1 |
|
test.assertEqual(ev.SourceNode, ua.NodeId(ua.ObjectIds.Server)) |
|
278
|
1 |
|
test.assertEqual(ev.Severity, ua.Variant(1, ua.VariantType.UInt16)) |
|
279
|
|
|
test.assertEqual(ev._freeze, True) |
|
280
|
|
|
|
FreeOpcUa /
python-opcua
