Completed
Push — master ( d538b5...98e417 )
by Olivier
01:58
created

TestServer.test_discovery()   A

Complexity

Conditions 1

Size

Total Lines 15

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 14
CRAP Score 1

Importance

Changes 3
Bugs 0 Features 0
Metric Value
cc 1
c 3
b 0
f 0
dl 0
loc 15
ccs 14
cts 14
cp 1
crap 1
rs 9.4285
1 1
import unittest
2 1
from tests_common import CommonTests, add_server_methods, MySubHandler
3 1
import time
4 1
from datetime import timedelta, datetime
5
6 1
import opcua
7 1
from opcua import Server
8 1
from opcua import Client
9 1
from opcua import ua
10 1
from opcua import uamethod
11
12
13 1
port_num = 485140
14 1
port_discovery = 48550
15
16
17 1
class TestServer(unittest.TestCase, CommonTests):
18
19
    '''
20
    Run common tests on server side
21
    Tests that can only be run on server side must be defined here
22
    '''
23 1
    @classmethod
24
    def setUpClass(self):
25 1
        self.srv = Server()
26 1
        self.srv.set_endpoint('opc.tcp://localhost:%d' % port_num)
27 1
        add_server_methods(self.srv)
28 1
        self.srv.start()
29 1
        self.opc = self.srv
30 1
        self.discovery = Server()
31 1
        self.discovery.set_application_uri("urn:freeopcua:python:discovery")
32 1
        self.discovery.set_endpoint('opc.tcp://localhost:%d' % port_discovery)
33 1
        self.discovery.start()
34
35 1
    @classmethod
36
    def tearDownClass(self):
37 1
        self.srv.stop()
38 1
        self.discovery.stop()
39
40 1
    def test_discovery(self):
41 1
        client = Client(self.discovery.endpoint.geturl())
42 1
        client.connect()
43 1
        try:
44 1
            servers = client.find_servers()
45 1
            new_app_uri = "urn:freeopcua:python:server:test_discovery"
46 1
            self.srv.application_uri = new_app_uri
47 1
            self.srv.register_to_discovery(self.discovery.endpoint.geturl(), 0)
48 1
            time.sleep(0.1) # let server register registration
49 1
            new_servers = client.find_servers()
50 1
            self.assertEqual(len(new_servers) - len(servers) , 1)
51 1
            self.assertFalse(new_app_uri in [s.ApplicationUri for s in servers])
52 1
            self.assertTrue(new_app_uri in [s.ApplicationUri for s in new_servers])
53
        finally:
54 1
            client.disconnect()
55
56 1
    def test_find_servers2(self):
57 1
        client = Client(self.discovery.endpoint.geturl())
58 1
        client.connect()
59 1
        try:
60 1
            servers = client.find_servers()
61 1
            new_app_uri1 = "urn:freeopcua:python:server:test_discovery1"
62 1
            self.srv.application_uri = new_app_uri1
63 1
            self.srv.register_to_discovery(self.discovery.endpoint.geturl(), period=0)
64 1
            new_app_uri2 = "urn:freeopcua:python:test_discovery2"
65 1
            self.srv.application_uri = new_app_uri2
66 1
            self.srv.register_to_discovery(self.discovery.endpoint.geturl(), period=0)
67 1
            time.sleep(0.1) # let server register registration
68 1
            new_servers = client.find_servers()
69 1
            self.assertEqual(len(new_servers) - len(servers) , 2)
70 1
            self.assertFalse(new_app_uri1 in [s.ApplicationUri for s in servers])
71 1
            self.assertFalse(new_app_uri2 in [s.ApplicationUri for s in servers])
72 1
            self.assertTrue(new_app_uri1 in [s.ApplicationUri for s in new_servers])
73 1
            self.assertTrue(new_app_uri2 in [s.ApplicationUri for s in new_servers])
74
            # now do a query with filer
75 1
            new_servers = client.find_servers(["urn:freeopcua:python:server"])
76 1
            self.assertEqual(len(new_servers) - len(servers) , 0)
77 1
            self.assertTrue(new_app_uri1 in [s.ApplicationUri for s in new_servers])
78 1
            self.assertFalse(new_app_uri2 in [s.ApplicationUri for s in new_servers])
79
            # now do a query with filer
80 1
            new_servers = client.find_servers(["urn:freeopcua:python"])
81 1
            self.assertEqual(len(new_servers) - len(servers) , 2)
82 1
            self.assertTrue(new_app_uri1 in [s.ApplicationUri for s in new_servers])
83 1
            self.assertTrue(new_app_uri2 in [s.ApplicationUri for s in new_servers])
84
        finally:
85 1
            client.disconnect()
86
87
88
    """
89
    # not sure if this test is necessary, and there is a lot repetition with previous test
90
    def test_discovery_server_side(self):
91
        servers = self.discovery.find_servers()
92
        self.assertEqual(len(servers), 1)
93
        self.srv.register_to_discovery(self.discovery.endpoint.geturl(), 1)
94
        time.sleep(1) # let server register registration
95
        servers = self.discovery.find_servers()
96
        print("SERVERS 2", servers)
97
        self.assertEqual(len(servers), 2)
98
    """
99
    #def test_register_server2(self):
100
        #servers = self.opc.register_server()
101
102 1
    def test_register_namespace(self):
103 1
        uri = 'http://mycustom.Namespace.com'
104 1
        idx1 = self.opc.register_namespace(uri)
105 1
        idx2 = self.opc.get_namespace_index(uri)
106 1
        self.assertEqual(idx1, idx2)
107
108 1
    def test_register_use_namespace(self):
109 1
        uri = 'http://my_very_custom.Namespace.com'
110 1
        idx = self.opc.register_namespace(uri)
111 1
        root = self.opc.get_root_node()
112 1
        myvar = root.add_variable(idx, 'var_in_custom_namespace', [5])
113 1
        myid = myvar.nodeid
114 1
        self.assertEqual(idx, myid.NamespaceIndex)
115
116 1
    def test_server_method(self):
117 1
        def func(parent, variant):
118 1
            variant.Value *= 2
119 1
            return [variant]
120 1
        o = self.opc.get_objects_node()
121 1
        v = o.add_method(3, 'Method1', func, [ua.VariantType.Int64], [ua.VariantType.Int64])
122 1
        result = o.call_method(v, ua.Variant(2.1))
123 1
        self.assertEqual(result, 4.2)
124
125 1
    def test_xml_import(self):
126 1
        self.srv.import_xml("tests/custom_nodes.xml")
127 1
        o = self.opc.get_objects_node()
128 1
        v = o.get_child(["MyXMLFolder", "MyXMLObject", "MyXMLVariable"])
129 1
        val = v.get_value()
130 1
        self.assertEqual(val, "StringValue")
131
132 1
    def test_historize_variable(self):
133 1
        o = self.opc.get_objects_node()
134 1
        var = o.add_variable(3, "test_hist", 1.0)
135 1
        self.srv.iserver.enable_history_data_change(var, timedelta(days=1))
136 1
        time.sleep(1)
137 1
        var.set_value(2.0)
138 1
        var.set_value(3.0)
139 1
        self.srv.iserver.disable_history_data_change(var)
140
141 1
    def test_historize_events(self):
142 1
        srv_node = self.srv.get_node(ua.ObjectIds.Server)
143 1
        srvevgen = self.srv.get_event_generator()
144 1
        self.srv.iserver.enable_history_event(srv_node, period=None)
145 1
        srvevgen.trigger(message="Message")
146 1
        self.srv.iserver.disable_history_event(srv_node)
147
148 1
    def test_references_for_added_nodes_method(self):
149 1
        objects = self.opc.get_objects_node()
150 1
        o = objects.add_object(3, 'MyObject')
151 1
        nodes = objects.get_referenced_nodes(refs=ua.ObjectIds.Organizes, direction=ua.BrowseDirection.Forward, includesubtypes=False)
152 1
        self.assertTrue(o in nodes)
153 1
        nodes = o.get_referenced_nodes(refs=ua.ObjectIds.Organizes, direction=ua.BrowseDirection.Inverse, includesubtypes=False)
154 1
        self.assertTrue(objects in nodes)
155 1
        self.assertEqual(o.get_parent(), objects)
156 1
        self.assertEqual(o.get_type_definition(), ua.ObjectIds.BaseObjectType)
157
158 1
        @uamethod
159
        def callback(parent):
160
            return
161
162 1
        m = o.add_method(3, 'MyMethod', callback)
163 1
        nodes = o.get_referenced_nodes(refs=ua.ObjectIds.HasComponent, direction=ua.BrowseDirection.Forward, includesubtypes=False)
164 1
        self.assertTrue(m in nodes)
165 1
        nodes = m.get_referenced_nodes(refs=ua.ObjectIds.HasComponent, direction=ua.BrowseDirection.Inverse, includesubtypes=False)
166 1
        self.assertTrue(o in nodes)
167 1 View Code Duplication
        self.assertEqual(m.get_parent(), o)
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168
169
    # This should work for following BaseEvent tests to work (maybe to write it a bit differentlly since they are not independent)
170 1
    def test_get_event_from_type_node_BaseEvent(self):
171 1
        ev = opcua.server.event.get_event_from_type_node(opcua.Node(self.opc.iserver.isession, ua.NodeId(ua.ObjectIds.BaseEventType)))
172 1
        check_base_event(self, ev)
173
174 1
    def test_get_event_from_type_node_Inhereted_AuditEvent(self):
175 1
        ev = opcua.server.event.get_event_from_type_node(opcua.Node(self.opc.iserver.isession, ua.NodeId(ua.ObjectIds.AuditEventType)))
176 1
        self.assertIsNot(ev, None)  # we did not receive event
177 1
        self.assertIsInstance(ev, ua.BaseEvent)
178 1
        self.assertIsInstance(ev, ua.AuditEvent)
179 1
        self.assertEqual(ev.EventType, ua.NodeId(ua.ObjectIds.AuditEventType))
180 1
        self.assertEqual(ev.Severity, ua.Variant(1, ua.VariantType.UInt16))
181 1
        self.assertEqual(ev.ActionTimeStamp, None)
182 1
        self.assertEqual(ev.Status, False)
183 1
        self.assertEqual(ev.ServerId, None)
184 1
        self.assertEqual(ev.ClientAuditEntryId, None)
185 1
        self.assertEqual(ev.ClientUserId, None)
186 1
        self.assertEqual(ev._freeze, True)
187
188 1
    def test_eventgenerator_default(self):
189 1
        evgen = self.opc.get_event_generator()
190 1
        check_eventgenerator_BaseEvent(self, evgen)
191 1
        check_eventgenerator_SourceServer(self, evgen)
192
193 1
    def test_eventgenerator_BaseEvent_object(self):
194 1
        evgen = self.opc.get_event_generator(ua.BaseEvent())
195 1
        check_eventgenerator_BaseEvent(self, evgen)
196 1
        check_eventgenerator_SourceServer(self, evgen)
197
198 1
    def test_eventgenerator_BaseEvent_Node(self):
199 1
        evgen = self.opc.get_event_generator(opcua.Node(self.opc.iserver.isession, ua.NodeId(ua.ObjectIds.BaseEventType)))
200 1
        check_eventgenerator_BaseEvent(self, evgen)
201 1
        check_eventgenerator_SourceServer(self, evgen)
202
203 1
    def test_eventgenerator_BaseEvent_NodeId(self):
204 1
        evgen = self.opc.get_event_generator(ua.NodeId(ua.ObjectIds.BaseEventType))
205 1
        check_eventgenerator_BaseEvent(self, evgen)
206 1
        check_eventgenerator_SourceServer(self, evgen)
207
208 1
    def test_eventgenerator_BaseEvent_ObjectIds(self):
209 1
        evgen = self.opc.get_event_generator(ua.ObjectIds.BaseEventType)
210 1
        check_eventgenerator_BaseEvent(self, evgen)
211 1
        check_eventgenerator_SourceServer(self, evgen)
212
213 1
    def test_eventgenerator_BaseEvent_Identifier(self):
214 1
        evgen = self.opc.get_event_generator(2041)
215 1
        check_eventgenerator_BaseEvent(self, evgen)
216 1
        check_eventgenerator_SourceServer(self, evgen)
217
218 1
    def test_eventgenerator_sourceServer_Node(self):
219 1
        evgen = self.opc.get_event_generator(source=opcua.Node(self.opc.iserver.isession, ua.NodeId(ua.ObjectIds.Server)))
220 1
        check_eventgenerator_BaseEvent(self, evgen)
221 1
        check_eventgenerator_SourceServer(self, evgen)
222
223 1
    def test_eventgenerator_sourceServer_NodeId(self):
224 1
        evgen = self.opc.get_event_generator(source=ua.NodeId(ua.ObjectIds.Server))
225 1
        check_eventgenerator_BaseEvent(self, evgen)
226 1
        check_eventgenerator_SourceServer(self, evgen)
227
228 1
    def test_eventgenerator_sourceServer_ObjectIds(self):
229 1
        evgen = self.opc.get_event_generator(source=ua.ObjectIds.Server)
230 1
        check_eventgenerator_BaseEvent(self, evgen)
231 1
        check_eventgenerator_SourceServer(self, evgen)
232
233 1
    def test_eventgenerator_sourceMyObject(self):
234 1
        objects = self.opc.get_objects_node()
235 1
        o = objects.add_object(3, 'MyObject')
236 1
        evgen = self.opc.get_event_generator(source=o)
237 1
        check_eventgenerator_BaseEvent(self, evgen)
238 1
        check_event_generator_object(self, evgen, o)
239
240 1
    def test_eventgenerator_source_collision(self):
241 1 View Code Duplication
        objects = self.opc.get_objects_node()
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242 1
        o = objects.add_object(3, 'MyObject')
243 1
        event = ua.BaseEvent(sourcenode=o.nodeid)
244 1
        evgen = self.opc.get_event_generator(event, ua.ObjectIds.Server)
245 1
        check_eventgenerator_BaseEvent(self, evgen)
246 1
        check_event_generator_object(self, evgen, o)
247
248 1
    def test_eventgenerator_InheritedEvent(self):
249 1
        evgen = self.opc.get_event_generator(ua.ObjectIds.AuditEventType)
250 1
        check_eventgenerator_SourceServer(self, evgen)
251
252 1
        ev = evgen.event
253 1
        self.assertIsNot(ev, None)  # we did not receive event
254 1
        self.assertIsInstance(ev, ua.BaseEvent)
255 1
        self.assertIsInstance(ev, ua.AuditEvent)
256 1
        self.assertEqual(ev.EventType, ua.NodeId(ua.ObjectIds.AuditEventType))
257 1
        self.assertEqual(ev.Severity, ua.Variant(1, ua.VariantType.UInt16))
258 1
        self.assertEqual(ev.ActionTimeStamp, None)
259 1
        self.assertEqual(ev.Status, False)
260 1
        self.assertEqual(ev.ServerId, None)
261 1
        self.assertEqual(ev.ClientAuditEntryId, None)
262 1
        self.assertEqual(ev.ClientUserId, None)
263 1
        self.assertEqual(ev._freeze, True)
264
265 1
    def test_create_custom_event_type_ObjectId(self):
266 1
        etype = self.opc.create_custom_event_type(2, 'MyEvent', ua.ObjectIds.BaseEventType, [('PropertyNum', ua.VariantType.Float), ('PropertyString', ua.VariantType.String)])
267 1
        check_custom_event_type(self, etype)
268
269 1
    def test_create_custom_event_type_NodeId(self):
270 1
        etype = self.opc.create_custom_event_type(2, 'MyEvent', ua.NodeId(ua.ObjectIds.BaseEventType), [('PropertyNum', ua.VariantType.Float), ('PropertyString', ua.VariantType.String)])
271 1
        check_custom_event_type(self, etype)
272
273 1
    def test_create_custom_event_type_Node(self):
274 1
        etype = self.opc.create_custom_event_type(2, 'MyEvent', opcua.Node(self.opc.iserver.isession, ua.NodeId(ua.ObjectIds.BaseEventType)), [('PropertyNum', ua.VariantType.Float), ('PropertyString', ua.VariantType.String)])
275 1
        check_custom_event_type(self, etype)
276
277 1
    def test_get_event_from_type_node_CustomEvent(self):
278 1 View Code Duplication
        etype = self.opc.create_custom_event_type(2, 'MyEvent', ua.ObjectIds.BaseEventType, [('PropertyNum', ua.VariantType.Float), ('PropertyString', ua.VariantType.String)])
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279
280 1
        ev = opcua.server.event.get_event_from_type_node(etype)
281 1
        check_custom_event(self, ev, etype)
282 1
        self.assertEqual(ev.PropertyNum, None)
283 1
        self.assertEqual(ev.PropertyString, None)
284
285 1
    def test_eventgenerator_customEvent(self):
286 1
        etype = self.opc.create_custom_event_type(2, 'MyEvent', ua.ObjectIds.BaseEventType, [('PropertyNum', ua.VariantType.Float), ('PropertyString', ua.VariantType.String)])
287
288 1
        evgen = self.opc.get_event_generator(etype, ua.ObjectIds.Server)
289 1
        check_eventgenerator_CustomEvent(self, evgen, etype)
290 1
        check_eventgenerator_SourceServer(self, evgen)
291
292 1
        self.assertEqual(evgen.event.PropertyNum, None)
293 1
        self.assertEqual(evgen.event.PropertyString, None)
294
295 1
    def test_eventgenerator_double_customEvent(self):
296 1
        event1 = self.opc.create_custom_event_type(3, 'MyEvent1', ua.ObjectIds.BaseEventType, [('PropertyNum', ua.VariantType.Float), ('PropertyString', ua.VariantType.String)])
297
298 1
        event2 = self.opc.create_custom_event_type(4, 'MyEvent2', event1, [('PropertyBool', ua.VariantType.Boolean), ('PropertyInt', ua.VariantType.Int32)])
299
300 1
        evgen = self.opc.get_event_generator(event2, ua.ObjectIds.Server)
301 1
        check_eventgenerator_CustomEvent(self, evgen, event2)
302 1
        check_eventgenerator_SourceServer(self, evgen)
303
304
        # Properties from MyEvent1
305 1 View Code Duplication
        self.assertEqual(evgen.event.PropertyNum, None)
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306 1
        self.assertEqual(evgen.event.PropertyString, None)
307
308
         # Properties from MyEvent2
309 1
        self.assertEqual(evgen.event.PropertyBool, None)
310 1
        self.assertEqual(evgen.event.PropertyInt, None)
311
312 1
    def test_eventgenerator_customEvent_MyObject(self):
313 1
        objects = self.opc.get_objects_node()
314 1
        o = objects.add_object(3, 'MyObject')
315 1
        etype = self.opc.create_custom_event_type(2, 'MyEvent', ua.ObjectIds.BaseEventType, [('PropertyNum', ua.VariantType.Float), ('PropertyString', ua.VariantType.String)])
316
317 1
        evgen = self.opc.get_event_generator(etype, o)
318 1
        check_eventgenerator_CustomEvent(self, evgen, etype)
319 1
        check_event_generator_object(self, evgen, o)
320
321 1
        self.assertEqual(evgen.event.PropertyNum, None)
322 1
        self.assertEqual(evgen.event.PropertyString, None)
323
324
325 1 View Code Duplication
def check_eventgenerator_SourceServer(test, evgen):
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326 1
    server = test.opc.get_server_node()
327 1
    test.assertEqual(evgen.event.SourceName, server.get_display_name().Text)
328 1
    test.assertEqual(evgen.event.SourceNode, ua.NodeId(ua.ObjectIds.Server))
329 1
    test.assertEqual(server.get_attribute(ua.AttributeIds.EventNotifier).Value, ua.Variant(1, ua.VariantType.Byte))
330 1
    refs = server.get_referenced_nodes(ua.ObjectIds.GeneratesEvent, ua.BrowseDirection.Forward, ua.NodeClass.ObjectType, False)
331 1
    test.assertGreaterEqual(len(refs), 1)
332
333
334 1 View Code Duplication
def check_event_generator_object(test, evgen, obj):
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335 1
    test.assertEqual(evgen.event.SourceName, obj.get_display_name().Text)
336 1
    test.assertEqual(evgen.event.SourceNode, obj.nodeid)
337 1
    test.assertEqual(obj.get_attribute(ua.AttributeIds.EventNotifier).Value, ua.Variant(1, ua.VariantType.Byte))
338 1
    refs = obj.get_referenced_nodes(ua.ObjectIds.GeneratesEvent, ua.BrowseDirection.Forward, ua.NodeClass.ObjectType, False)
339 1
    test.assertEqual(len(refs), 1)
340 1
    test.assertEqual(refs[0].nodeid, evgen.event.EventType)
341
342
343 1
def check_eventgenerator_BaseEvent(test, evgen):
344 1
    test.assertIsNot(evgen, None)  # we did not receive event generator
345 1
    test.assertIs(evgen.isession, test.opc.iserver.isession)
346 1
    check_base_event(test, evgen.event)
347
348
349 1
def check_base_event(test, ev):
350 1
    test.assertIsNot(ev, None)  # we did not receive event
351 1
    test.assertIsInstance(ev, ua.BaseEvent)
352 1
    test.assertEqual(ev.EventType, ua.NodeId(ua.ObjectIds.BaseEventType))
353 1
    test.assertEqual(ev.Severity, ua.Variant(1, ua.VariantType.UInt16))
354 1
    test.assertEqual(ev._freeze, True)
355
356
357 1
def check_eventgenerator_CustomEvent(test, evgen, etype):
358 1
    test.assertIsNot(evgen, None)  # we did not receive event generator
359 1
    test.assertIs(evgen.isession, test.opc.iserver.isession)
360 1
    check_custom_event(test, evgen.event, etype)
361
362
363 1
def check_custom_event(test, ev, etype):
364 1
    test.assertIsNot(ev, None)  # we did not receive event
365 1
    test.assertIsInstance(ev, ua.BaseEvent)
366 1
    test.assertEqual(ev.EventType, etype.nodeid)
367 1
    test.assertEqual(ev.Severity, ua.Variant(1, ua.VariantType.UInt16))
368 1
    test.assertEqual(ev._freeze, True)
369
370
371 1
def check_custom_event_type(test, ev):
372 1
    base = opcua.Node(test.opc.iserver.isession, ua.NodeId(ua.ObjectIds.BaseEventType))
373 1
    test.assertTrue(ev in base.get_children())
374 1
    nodes = ev.get_referenced_nodes(refs=ua.ObjectIds.HasSubtype, direction=ua.BrowseDirection.Inverse, includesubtypes=False)
375 1
    test.assertEqual(base, nodes[0])
376 1
    properties = ev.get_properties()
377 1
    test.assertIsNot(properties, None)
378 1
    test.assertEqual(len(properties), 2)
379 1
    test.assertTrue(ev.get_child("2:PropertyNum") in properties)
380 1
    test.assertEqual(ev.get_child("2:PropertyNum").get_data_value().Value.VariantType, ua.VariantType.Float)
381 1
    test.assertTrue(ev.get_child("2:PropertyString") in properties)
382
    test.assertEqual(ev.get_child("2:PropertyString").get_data_value().Value.VariantType, ua.VariantType.String)
383