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631 lines (520 loc) · 28.9 KB
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import unittest
import os
import shelve
import time
from enum import EnumMeta
from tests_common import CommonTests, add_server_methods
from tests_xml import XmlTests
from tests_subscriptions import SubscriptionTests
from datetime import timedelta
from tempfile import NamedTemporaryFile
import opcua
from opcua import Server
from opcua import Client
from opcua import ua
from opcua import uamethod
from opcua.common.event_objects import BaseEvent, AuditEvent, AuditChannelEvent, AuditSecurityEvent, AuditOpenSecureChannelEvent
from opcua.common import ua_utils
from opcua.server.registration_service import RegistrationService
port_num = 48540
port_discovery = 48550
class TestServer(unittest.TestCase, CommonTests, SubscriptionTests, XmlTests):
'''
Run common tests on server side
Tests that can only be run on server side must be defined here
'''
@classmethod
def setUpClass(cls):
cls.srv = Server()
cls.srv.set_endpoint('opc.tcp://127.0.0.1:{0:d}'.format(port_num))
add_server_methods(cls.srv)
cls.srv.start()
cls.opc = cls.srv
cls.discovery = Server()
cls.discovery.set_application_uri("urn:freeopcua:python:discovery")
cls.discovery.set_endpoint('opc.tcp://127.0.0.1:{0:d}'.format(port_discovery))
cls.discovery.start()
@classmethod
def tearDownClass(cls):
cls.srv.stop()
cls.discovery.stop()
def test_discovery(self):
client = Client(self.discovery.endpoint.geturl())
client.connect()
try:
servers = client.find_servers()
new_app_uri = "urn:freeopcua:python:server:test_discovery"
self.srv.set_application_uri(new_app_uri)
with RegistrationService() as regService:
regService.register_to_discovery(self.srv, self.discovery.endpoint.geturl(), period=0)
time.sleep(0.1) # let server register registration
new_servers = client.find_servers()
self.assertEqual(len(new_servers) - len(servers) , 1)
self.assertFalse(new_app_uri in [s.ApplicationUri for s in servers])
self.assertTrue(new_app_uri in [s.ApplicationUri for s in new_servers])
finally:
client.disconnect()
def test_find_servers2(self):
client = Client(self.discovery.endpoint.geturl())
client.connect()
try:
servers = client.find_servers()
# Use 2 different RegistrationServices, as it does not allow duplicate registrations.
with RegistrationService() as regService1, RegistrationService() as regService2:
# Register to server with uri1
new_app_uri1 = "urn:freeopcua:python:server:test_discovery1"
self.srv.set_application_uri(new_app_uri1)
regService1.register_to_discovery(self.srv, self.discovery.endpoint.geturl(), period=0)
# Register to server with uri2
new_app_uri2 = "urn:freeopcua:python:test_discovery2"
self.srv.set_application_uri(new_app_uri2)
regService2.register_to_discovery(self.srv, self.discovery.endpoint.geturl(), period=0)
# Check for 2 registrations
time.sleep(0.1) # let server register registration
new_servers = client.find_servers()
self.assertEqual(len(new_servers) - len(servers) , 2)
self.assertFalse(new_app_uri1 in [s.ApplicationUri for s in servers])
self.assertFalse(new_app_uri2 in [s.ApplicationUri for s in servers])
self.assertTrue(new_app_uri1 in [s.ApplicationUri for s in new_servers])
self.assertTrue(new_app_uri2 in [s.ApplicationUri for s in new_servers])
# now do a query with filter
new_servers = client.find_servers(["urn:freeopcua:python:server"])
self.assertEqual(len(new_servers) - len(servers) , 0)
self.assertTrue(new_app_uri1 in [s.ApplicationUri for s in new_servers])
self.assertFalse(new_app_uri2 in [s.ApplicationUri for s in new_servers])
# now do a query with filter
new_servers = client.find_servers(["urn:freeopcua:python"])
self.assertEqual(len(new_servers) - len(servers) , 2)
self.assertTrue(new_app_uri1 in [s.ApplicationUri for s in new_servers])
self.assertTrue(new_app_uri2 in [s.ApplicationUri for s in new_servers])
finally:
client.disconnect()
"""
# not sure if this test is necessary, and there is a lot repetition with previous test
def test_discovery_server_side(self):
servers = self.discovery.find_servers()
self.assertEqual(len(servers), 1)
self.srv.register_to_discovery(self.discovery.endpoint.geturl(), 1)
time.sleep(1) # let server register registration
servers = self.discovery.find_servers()
print("SERVERS 2", servers)
self.assertEqual(len(servers), 2)
"""
# def test_register_server2(self):
# servers = self.opc.register_server()
def test_register_namespace(self):
uri = 'http://mycustom.Namespace.com'
idx1 = self.opc.register_namespace(uri)
idx2 = self.opc.get_namespace_index(uri)
self.assertEqual(idx1, idx2)
def test_register_existing_namespace(self):
uri = 'http://mycustom.Namespace.com'
idx1 = self.opc.register_namespace(uri)
idx2 = self.opc.register_namespace(uri)
idx3 = self.opc.get_namespace_index(uri)
self.assertEqual(idx1, idx2)
self.assertEqual(idx1, idx3)
def test_register_use_namespace(self):
uri = 'http://my_very_custom.Namespace.com'
idx = self.opc.register_namespace(uri)
root = self.opc.get_root_node()
myvar = root.add_variable(idx, 'var_in_custom_namespace', [5])
myid = myvar.nodeid
self.assertEqual(idx, myid.NamespaceIndex)
def test_server_method(self):
def func(parent, variant):
variant.Value *= 2
return [variant]
o = self.opc.get_objects_node()
v = o.add_method(3, 'Method1', func, [ua.VariantType.Int64], [ua.VariantType.Int64])
result = o.call_method(v, ua.Variant(2.1))
self.assertEqual(result, 4.2)
def test_historize_variable(self):
o = self.opc.get_objects_node()
var = o.add_variable(3, "test_hist", 1.0)
self.srv.iserver.enable_history_data_change(var, timedelta(days=1))
time.sleep(1)
var.set_value(2.0)
var.set_value(3.0)
self.srv.iserver.disable_history_data_change(var)
def test_historize_events(self):
srv_node = self.srv.get_node(ua.ObjectIds.Server)
self.assertEqual(
srv_node.get_event_notifier(),
{ua.EventNotifier.SubscribeToEvents}
)
srvevgen = self.srv.get_event_generator()
self.srv.iserver.enable_history_event(srv_node, period=None)
self.assertEqual(
srv_node.get_event_notifier(),
{ua.EventNotifier.SubscribeToEvents, ua.EventNotifier.HistoryRead}
)
srvevgen.trigger(message="Message")
self.srv.iserver.disable_history_event(srv_node)
def test_references_for_added_nodes_method(self):
objects = self.opc.get_objects_node()
o = objects.add_object(3, 'MyObject')
nodes = objects.get_referenced_nodes(refs=ua.ObjectIds.Organizes, direction=ua.BrowseDirection.Forward, includesubtypes=False)
self.assertTrue(o in nodes)
nodes = o.get_referenced_nodes(refs=ua.ObjectIds.Organizes, direction=ua.BrowseDirection.Inverse, includesubtypes=False)
self.assertTrue(objects in nodes)
self.assertEqual(o.get_parent(), objects)
self.assertEqual(o.get_type_definition().Identifier, ua.ObjectIds.BaseObjectType)
@uamethod
def callback(parent):
return
m = o.add_method(3, 'MyMethod', callback)
nodes = o.get_referenced_nodes(refs=ua.ObjectIds.HasComponent, direction=ua.BrowseDirection.Forward, includesubtypes=False)
self.assertTrue(m in nodes)
nodes = m.get_referenced_nodes(refs=ua.ObjectIds.HasComponent, direction=ua.BrowseDirection.Inverse, includesubtypes=False)
self.assertTrue(o in nodes)
self.assertEqual(m.get_parent(), o)
# This should work for following BaseEvent tests to work (maybe to write it a bit differentlly since they are not independent)
def test_get_event_from_type_node_BaseEvent(self):
ev = opcua.common.events.get_event_obj_from_type_node(opcua.Node(self.opc.iserver.isession, ua.NodeId(ua.ObjectIds.BaseEventType)))
check_base_event(self, ev)
def test_get_event_from_type_node_Inhereted_AuditEvent(self):
ev = opcua.common.events.get_event_obj_from_type_node(opcua.Node(self.opc.iserver.isession, ua.NodeId(ua.ObjectIds.AuditEventType)))
self.assertIsNot(ev, None) # we did not receive event
self.assertIsInstance(ev, BaseEvent)
self.assertIsInstance(ev, AuditEvent)
self.assertEqual(ev.EventType, ua.NodeId(ua.ObjectIds.AuditEventType))
self.assertEqual(ev.Severity, 1)
self.assertEqual(ev.ActionTimeStamp, None)
self.assertEqual(ev.Status, False)
self.assertEqual(ev.ServerId, None)
self.assertEqual(ev.ClientAuditEntryId, None)
self.assertEqual(ev.ClientUserId, None)
def test_get_event_from_type_node_MultiInhereted_AuditOpenSecureChannelEvent(self):
ev = opcua.common.events.get_event_obj_from_type_node(opcua.Node(self.opc.iserver.isession, ua.NodeId(ua.ObjectIds.AuditOpenSecureChannelEventType)))
self.assertIsNot(ev, None)
self.assertIsInstance(ev, BaseEvent)
self.assertIsInstance(ev, AuditEvent)
self.assertIsInstance(ev, AuditSecurityEvent)
self.assertIsInstance(ev, AuditChannelEvent)
self.assertIsInstance(ev, AuditOpenSecureChannelEvent)
self.assertEqual(ev.EventType, ua.NodeId(ua.ObjectIds.AuditOpenSecureChannelEventType))
self.assertEqual(ev.Severity, 1),
self.assertEqual(ev.ClientCertificate, None)
self.assertEqual(ev.ClientCertificateThumbprint, None)
self.assertEqual(ev.RequestType, None)
self.assertEqual(ev.SecurityPolicyUri, None)
self.assertEqual(ev.SecurityMode, None)
self.assertEqual(ev.RequestedLifetime, None)
def test_eventgenerator_default(self):
evgen = self.opc.get_event_generator()
check_eventgenerator_BaseEvent(self, evgen)
check_eventgenerator_SourceServer(self, evgen)
def test_eventgenerator_BaseEvent_object(self):
evgen = self.opc.get_event_generator(BaseEvent())
check_eventgenerator_BaseEvent(self, evgen)
check_eventgenerator_SourceServer(self, evgen)
def test_eventgenerator_BaseEvent_Node(self):
evgen = self.opc.get_event_generator(opcua.Node(self.opc.iserver.isession, ua.NodeId(ua.ObjectIds.BaseEventType)))
check_eventgenerator_BaseEvent(self, evgen)
check_eventgenerator_SourceServer(self, evgen)
def test_eventgenerator_BaseEvent_NodeId(self):
evgen = self.opc.get_event_generator(ua.NodeId(ua.ObjectIds.BaseEventType))
check_eventgenerator_BaseEvent(self, evgen)
check_eventgenerator_SourceServer(self, evgen)
def test_eventgenerator_BaseEvent_ObjectIds(self):
evgen = self.opc.get_event_generator(ua.ObjectIds.BaseEventType)
check_eventgenerator_BaseEvent(self, evgen)
check_eventgenerator_SourceServer(self, evgen)
def test_eventgenerator_BaseEvent_Identifier(self):
evgen = self.opc.get_event_generator(2041)
check_eventgenerator_BaseEvent(self, evgen)
check_eventgenerator_SourceServer(self, evgen)
def test_eventgenerator_sourceServer_Node(self):
evgen = self.opc.get_event_generator(emitting_node=opcua.Node(self.opc.iserver.isession, ua.NodeId(ua.ObjectIds.Server)))
check_eventgenerator_BaseEvent(self, evgen)
check_eventgenerator_SourceServer(self, evgen)
def test_eventgenerator_sourceServer_NodeId(self):
evgen = self.opc.get_event_generator(emitting_node=ua.NodeId(ua.ObjectIds.Server))
check_eventgenerator_BaseEvent(self, evgen)
check_eventgenerator_SourceServer(self, evgen)
def test_eventgenerator_sourceServer_ObjectIds(self):
evgen = self.opc.get_event_generator(emitting_node=ua.ObjectIds.Server)
check_eventgenerator_BaseEvent(self, evgen)
check_eventgenerator_SourceServer(self, evgen)
def test_eventgenerator_sourceMyObject(self):
objects = self.opc.get_objects_node()
o = objects.add_object(3, 'MyObject')
evgen = self.opc.get_event_generator(emitting_node=o)
check_eventgenerator_BaseEvent(self, evgen)
check_event_generator_object(self, evgen, o)
def test_eventgenerator_source_collision(self):
objects = self.opc.get_objects_node()
o = objects.add_object(3, 'MyObject')
event = BaseEvent(sourcenode=o.nodeid)
evgen = self.opc.get_event_generator(event, ua.ObjectIds.Server)
evgen.event.SourceNode = o.nodeid
evgen.event.SourceName = o.get_browse_name().Name
check_eventgenerator_BaseEvent(self, evgen)
check_event_generator_object(self, evgen, o, emitting_node=opcua.Node(self.opc.iserver.isession, ua.ObjectIds.Server))
def test_eventgenerator_InheritedEvent(self):
evgen = self.opc.get_event_generator(ua.ObjectIds.AuditEventType)
check_eventgenerator_SourceServer(self, evgen)
ev = evgen.event
self.assertIsNot(ev, None) # we did not receive event
self.assertIsInstance(ev, BaseEvent)
self.assertIsInstance(ev, AuditEvent)
self.assertEqual(ev.EventType, ua.NodeId(ua.ObjectIds.AuditEventType))
self.assertEqual(ev.Severity, 1)
self.assertEqual(ev.ActionTimeStamp, None)
self.assertEqual(ev.Status, False)
self.assertEqual(ev.ServerId, None)
self.assertEqual(ev.ClientAuditEntryId, None)
self.assertEqual(ev.ClientUserId, None)
def test_eventgenerator_MultiInheritedEvent(self):
evgen = self.opc.get_event_generator(ua.ObjectIds.AuditOpenSecureChannelEventType)
check_eventgenerator_SourceServer(self, evgen)
ev = evgen.event
self.assertIsNot(ev, None) # we did not receive event
self.assertIsInstance(ev, BaseEvent)
self.assertIsInstance(ev, AuditEvent)
self.assertIsInstance(ev, AuditSecurityEvent)
self.assertIsInstance(ev, AuditChannelEvent)
self.assertIsInstance(ev, AuditOpenSecureChannelEvent)
self.assertEqual(ev.EventType, ua.NodeId(ua.ObjectIds.AuditOpenSecureChannelEventType))
self.assertEqual(ev.Severity, 1),
self.assertEqual(ev.ClientCertificate, None)
self.assertEqual(ev.ClientCertificateThumbprint, None)
self.assertEqual(ev.RequestType, None)
self.assertEqual(ev.SecurityPolicyUri, None)
self.assertEqual(ev.SecurityMode, None)
self.assertEqual(ev.RequestedLifetime, None)
# For the custom events all posibilites are tested. For other custom types only one test case is done since they are using the same code
def test_create_custom_data_type_ObjectId(self):
type = self.opc.create_custom_data_type(2, 'MyDataType', ua.ObjectIds.BaseDataType, [('PropertyNum', ua.VariantType.Int32), ('PropertyString', ua.VariantType.String)])
check_custom_type(self, type, ua.ObjectIds.BaseDataType, ua.NodeClass.DataType)
def test_create_custom_event_type_ObjectId(self):
type = self.opc.create_custom_event_type(2, 'MyEvent', ua.ObjectIds.BaseEventType, [('PropertyNum', ua.VariantType.Int32), ('PropertyString', ua.VariantType.String)])
check_custom_type(self, type, ua.ObjectIds.BaseEventType)
def test_create_custom_object_type_ObjectId(self):
def func(parent, variant):
return [ua.Variant(ret, ua.VariantType.Boolean)]
properties = [('PropertyNum', ua.VariantType.Int32),
('PropertyString', ua.VariantType.String)]
variables = [('VariableString', ua.VariantType.String),
('MyEnumVar', ua.VariantType.Int32, ua.NodeId(ua.ObjectIds.ApplicationType))]
methods = [('MyMethod', func, [ua.VariantType.Int64], [ua.VariantType.Boolean])]
node_type = self.opc.create_custom_object_type(2, 'MyObjectType', ua.ObjectIds.BaseObjectType, properties, variables, methods)
check_custom_type(self, node_type, ua.ObjectIds.BaseObjectType)
variables = node_type.get_variables()
self.assertTrue(node_type.get_child("2:VariableString") in variables)
self.assertEqual(node_type.get_child("2:VariableString").get_data_value().Value.VariantType, ua.VariantType.String)
self.assertTrue(node_type.get_child("2:MyEnumVar") in variables)
self.assertEqual(node_type.get_child("2:MyEnumVar").get_data_value().Value.VariantType, ua.VariantType.Int32)
self.assertEqual(node_type.get_child("2:MyEnumVar").get_data_type(), ua.NodeId(ua.ObjectIds.ApplicationType))
methods = node_type.get_methods()
self.assertTrue(node_type.get_child("2:MyMethod") in methods)
# def test_create_custom_refrence_type_ObjectId(self):
# type = self.opc.create_custom_reference_type(2, 'MyEvent', ua.ObjectIds.Base, [('PropertyNum', ua.VariantType.Int32), ('PropertyString', ua.VariantType.String)])
# check_custom_type(self, type, ua.ObjectIds.BaseObjectType)
def test_create_custom_variable_type_ObjectId(self):
type = self.opc.create_custom_variable_type(2, 'MyVariableType', ua.ObjectIds.BaseVariableType, [('PropertyNum', ua.VariantType.Int32), ('PropertyString', ua.VariantType.String)])
check_custom_type(self, type, ua.ObjectIds.BaseVariableType)
def test_create_custom_event_type_NodeId(self):
etype = self.opc.create_custom_event_type(2, 'MyEvent', ua.NodeId(ua.ObjectIds.BaseEventType), [('PropertyNum', ua.VariantType.Int32), ('PropertyString', ua.VariantType.String)])
check_custom_type(self, etype, ua.ObjectIds.BaseEventType)
def test_create_custom_event_type_Node(self):
etype = self.opc.create_custom_event_type(2, 'MyEvent', opcua.Node(self.opc.iserver.isession, ua.NodeId(ua.ObjectIds.BaseEventType)), [('PropertyNum', ua.VariantType.Int32), ('PropertyString', ua.VariantType.String)])
check_custom_type(self, etype, ua.ObjectIds.BaseEventType)
def test_get_event_from_type_node_CustomEvent(self):
etype = self.opc.create_custom_event_type(2, 'MyEvent', ua.ObjectIds.BaseEventType, [('PropertyNum', ua.VariantType.Int32), ('PropertyString', ua.VariantType.String)])
ev = opcua.common.events.get_event_obj_from_type_node(etype)
check_custom_event(self, ev, etype)
self.assertEqual(ev.PropertyNum, 0)
self.assertEqual(ev.PropertyString, None)
def test_eventgenerator_customEvent(self):
etype = self.opc.create_custom_event_type(2, 'MyEvent', ua.ObjectIds.BaseEventType, [('PropertyNum', ua.VariantType.Int32), ('PropertyString', ua.VariantType.String)])
evgen = self.opc.get_event_generator(etype, ua.ObjectIds.Server)
check_eventgenerator_CustomEvent(self, evgen, etype)
check_eventgenerator_SourceServer(self, evgen)
self.assertEqual(evgen.event.PropertyNum, 0)
self.assertEqual(evgen.event.PropertyString, None)
def test_eventgenerator_double_customEvent(self):
event1 = self.opc.create_custom_event_type(3, 'MyEvent1', ua.ObjectIds.BaseEventType, [('PropertyNum', ua.VariantType.Int32), ('PropertyString', ua.VariantType.String)])
event2 = self.opc.create_custom_event_type(4, 'MyEvent2', event1, [('PropertyBool', ua.VariantType.Boolean), ('PropertyInt', ua.VariantType.Int32)])
evgen = self.opc.get_event_generator(event2, ua.ObjectIds.Server)
check_eventgenerator_CustomEvent(self, evgen, event2)
check_eventgenerator_SourceServer(self, evgen)
# Properties from MyEvent1
self.assertEqual(evgen.event.PropertyNum, 0)
self.assertEqual(evgen.event.PropertyString, None)
# Properties from MyEvent2
self.assertEqual(evgen.event.PropertyBool, False)
self.assertEqual(evgen.event.PropertyInt, 0)
def test_eventgenerator_customEvent_MyObject(self):
objects = self.opc.get_objects_node()
o = objects.add_object(3, 'MyObject')
etype = self.opc.create_custom_event_type(2, 'MyEvent', ua.ObjectIds.BaseEventType, [('PropertyNum', ua.VariantType.Int32), ('PropertyString', ua.VariantType.String)])
evgen = self.opc.get_event_generator(etype, o)
check_eventgenerator_CustomEvent(self, evgen, etype)
check_event_generator_object(self, evgen, o)
self.assertEqual(evgen.event.PropertyNum, 0)
self.assertEqual(evgen.event.PropertyString, None)
def test_context_manager(self):
""" Context manager calls start() and stop()
"""
state = [0]
def increment_state(self, *args, **kwargs):
state[0] += 1
# create server and replace instance methods with dummy methods
server = Server()
server.start = increment_state.__get__(server)
server.stop = increment_state.__get__(server)
assert state[0] == 0
with server:
# test if server started
self.assertEqual(state[0], 1)
# test if server stopped
self.assertEqual(state[0], 2)
def test_get_node_by_ns(self):
def get_ns_of_nodes(nodes):
ns_list = set()
for node in nodes:
ns_list.add(node.nodeid.NamespaceIndex)
return ns_list
# incase other testss created nodes in unregistered namespace
_idx_d = self.opc.register_namespace('dummy1')
_idx_d = self.opc.register_namespace('dummy2')
_idx_d = self.opc.register_namespace('dummy3')
# create the test namespaces and vars
idx_a = self.opc.register_namespace('a')
idx_b = self.opc.register_namespace('b')
idx_c = self.opc.register_namespace('c')
o = self.opc.get_objects_node()
_myvar2 = o.add_variable(idx_a, "MyBoolVar2", True)
_myvar3 = o.add_variable(idx_b, "MyBoolVar3", True)
_myvar4 = o.add_variable(idx_c, "MyBoolVar4", True)
# the tests
nodes = ua_utils.get_nodes_of_namespace(self.opc, namespaces=[idx_a, idx_b, idx_c])
self.assertEqual(len(nodes), 3)
self.assertEqual(get_ns_of_nodes(nodes), set([idx_a, idx_b, idx_c]))
nodes = ua_utils.get_nodes_of_namespace(self.opc, namespaces=[idx_a])
self.assertEqual(len(nodes), 1)
self.assertEqual(get_ns_of_nodes(nodes), set([idx_a]))
nodes = ua_utils.get_nodes_of_namespace(self.opc, namespaces=[idx_b])
self.assertEqual(len(nodes), 1)
self.assertEqual(get_ns_of_nodes(nodes), set([idx_b]))
nodes = ua_utils.get_nodes_of_namespace(self.opc, namespaces=['a'])
self.assertEqual(len(nodes), 1)
self.assertEqual(get_ns_of_nodes(nodes), set([idx_a]))
nodes = ua_utils.get_nodes_of_namespace(self.opc, namespaces=['a', 'c'])
self.assertEqual(len(nodes), 2)
self.assertEqual(get_ns_of_nodes(nodes), set([idx_a, idx_c]))
nodes = ua_utils.get_nodes_of_namespace(self.opc, namespaces='b')
self.assertEqual(len(nodes), 1)
self.assertEqual(get_ns_of_nodes(nodes), set([idx_b]))
nodes = ua_utils.get_nodes_of_namespace(self.opc, namespaces=idx_b)
self.assertEqual(len(nodes), 1)
self.assertEqual(get_ns_of_nodes(nodes), set([idx_b]))
self.assertRaises(ValueError, ua_utils.get_nodes_of_namespace, self.opc, namespaces='non_existing_ns')
def test_load_enum_strings(self):
dt = self.opc.nodes.enum_data_type.add_data_type(0, "MyStringEnum")
dt.add_variable(0, "EnumStrings", [ua.LocalizedText("e1"), ua.LocalizedText("e2"), ua.LocalizedText("e3"), ua.LocalizedText("e 4")])
self.opc.load_enums()
e = getattr(ua, "MyStringEnum")
self.assertIsInstance(e, EnumMeta)
self.assertTrue(hasattr(e, "e1"))
self.assertTrue(hasattr(e, "e4"))
self.assertEqual(getattr(e, "e4"), 3)
def test_load_enum_values(self):
dt = self.opc.nodes.enum_data_type.add_data_type(0, "MyValuesEnum")
v1 = ua.EnumValueType()
v1.DisplayName.Text = "v1"
v1.Value = 2
v2 = ua.EnumValueType()
v2.DisplayName.Text = "v2"
v2.Value = 3
v3 = ua.EnumValueType()
v3.DisplayName.Text = "v 3 "
v3.Value = 4
dt.add_variable(0, "EnumValues", [v1, v2, v3])
self.opc.load_enums()
e = getattr(ua, "MyValuesEnum")
self.assertIsInstance(e, EnumMeta)
self.assertTrue(hasattr(e, "v1"))
self.assertTrue(hasattr(e, "v3"))
self.assertEqual(getattr(e, "v3"), 4)
def check_eventgenerator_SourceServer(test, evgen):
server = test.opc.get_server_node()
test.assertEqual(evgen.event.SourceName, server.get_browse_name().Name)
test.assertEqual(evgen.event.SourceNode, ua.NodeId(ua.ObjectIds.Server))
test.assertEqual(server.get_event_notifier(), {ua.EventNotifier.SubscribeToEvents})
refs = server.get_referenced_nodes(ua.ObjectIds.GeneratesEvent, ua.BrowseDirection.Forward, ua.NodeClass.ObjectType, False)
test.assertGreaterEqual(len(refs), 1)
def check_event_generator_object(test, evgen, obj, emitting_node=None):
test.assertEqual(evgen.event.SourceName, obj.get_browse_name().Name)
test.assertEqual(evgen.event.SourceNode, obj.nodeid)
if not emitting_node:
test.assertEqual(obj.get_event_notifier(), {ua.EventNotifier.SubscribeToEvents})
refs = obj.get_referenced_nodes(ua.ObjectIds.GeneratesEvent, ua.BrowseDirection.Forward, ua.NodeClass.ObjectType, False)
else:
test.assertEqual(emitting_node.get_event_notifier(), {ua.EventNotifier.SubscribeToEvents})
refs = emitting_node.get_referenced_nodes(ua.ObjectIds.GeneratesEvent, ua.BrowseDirection.Forward, ua.NodeClass.ObjectType, False)
test.assertIn(evgen.event.EventType, [x.nodeid for x in refs])
def check_eventgenerator_BaseEvent(test, evgen):
test.assertIsNot(evgen, None) # we did not receive event generator
test.assertIs(evgen.isession, test.opc.iserver.isession)
check_base_event(test, evgen.event)
def check_base_event(test, ev):
test.assertIsNot(ev, None) # we did not receive event
test.assertIsInstance(ev, BaseEvent)
test.assertEqual(ev.EventType, ua.NodeId(ua.ObjectIds.BaseEventType))
test.assertEqual(ev.Severity, 1)
def check_eventgenerator_CustomEvent(test, evgen, etype):
test.assertIsNot(evgen, None) # we did not receive event generator
test.assertIs(evgen.isession, test.opc.iserver.isession)
check_custom_event(test, evgen.event, etype)
def check_custom_event(test, ev, etype):
test.assertIsNot(ev, None) # we did not receive event
test.assertIsInstance(ev, BaseEvent)
test.assertEqual(ev.EventType, etype.nodeid)
test.assertEqual(ev.Severity, 1)
def check_custom_type(test, type, base_type, node_class=None):
base = opcua.Node(test.opc.iserver.isession, ua.NodeId(base_type))
test.assertTrue(type in base.get_children())
nodes = type.get_referenced_nodes(refs=ua.ObjectIds.HasSubtype, direction=ua.BrowseDirection.Inverse, includesubtypes=True)
test.assertEqual(base, nodes[0])
properties = type.get_properties()
if node_class:
test.assertEqual(node_class, type.get_node_class())
test.assertIsNot(properties, None)
test.assertEqual(len(properties), 2)
test.assertTrue(type.get_child("2:PropertyNum") in properties)
test.assertEqual(type.get_child("2:PropertyNum").get_data_value().Value.VariantType, ua.VariantType.Int32)
test.assertTrue(type.get_child("2:PropertyString") in properties)
test.assertEqual(type.get_child("2:PropertyString").get_data_value().Value.VariantType, ua.VariantType.String)
class TestServerCaching(unittest.TestCase):
def runTest(self):
return # FIXME broken
tmpfile = NamedTemporaryFile()
path = tmpfile.name
tmpfile.close()
# create cache file
server = Server(shelffile=path)
# modify cache content
id = ua.NodeId(ua.ObjectIds.Server_ServerStatus_SecondsTillShutdown)
s = shelve.open(path, "w", writeback=True)
s[id.to_string()].attributes[ua.AttributeIds.Value].value = ua.DataValue(123)
s.close()
# ensure that we are actually loading from the cache
server = Server(shelffile=path)
self.assertEqual(server.get_node(id).get_value(), 123)
os.remove(path)
class TestServerStartError(unittest.TestCase):
def test_port_in_use(self):
server1 = Server()
server1.set_endpoint('opc.tcp://127.0.0.1:{0:d}'.format(port_num + 1))
server1.start()
server2 = Server()
server2.set_endpoint('opc.tcp://127.0.0.1:{0:d}'.format(port_num + 1))
try:
server2.start()
except Exception:
pass
server1.stop()
server2.stop()