def test_nodeid(self):
nid = ua.NodeId()
self.assertEqual(nid.NodeIdType, ua.NodeIdType.TwoByte)
nid = ua.NodeId(446, 3, ua.NodeIdType.FourByte)
self.assertEqual(nid.NodeIdType, ua.NodeIdType.FourByte)
d = nid.to_binary()
new_nid = nid.from_binary(io.BytesIO(d))
self.assertEqual(new_nid, nid)
self.assertEqual(new_nid.NodeIdType, ua.NodeIdType.FourByte)
self.assertEqual(new_nid.Identifier, 446)
self.assertEqual(new_nid.NamespaceIndex, 3)
tb = ua.TwoByteNodeId(53)
fb = ua.FourByteNodeId(53)
n = ua.NumericNodeId(53)
n1 = ua.NumericNodeId(53, 0)
s = ua.StringNodeId(53, 0) # should we raise an exception???
s1 = ua.StringNodeId("53", 0)
bs = ua.ByteStringNodeId(b"53", 0)
gid = ua.Guid()
g = ua.ByteStringNodeId(gid, 0)
self.assertEqual(tb, fb)
self.assertEqual(tb, n)
self.assertEqual(tb, n1)
self.assertEqual(n1, fb)
self.assertNotEqual(n1, s)
self.assertNotEqual(s, bs)
self.assertNotEqual(s, g)
def test_nodeid(self):
nid = ua.NodeId()
self.assertEqual(nid.NodeIdType, ua.NodeIdType.TwoByte)
nid = ua.NodeId(446, 3, ua.NodeIdType.FourByte)
self.assertEqual(nid.NodeIdType, ua.NodeIdType.FourByte)
d = nodeid_to_binary(nid)
new_nid = nodeid_from_binary(io.BytesIO(d))
self.assertEqual(new_nid, nid)
self.assertEqual(new_nid.NodeIdType, ua.NodeIdType.FourByte)
self.assertEqual(new_nid.Identifier, 446)
self.assertEqual(new_nid.NamespaceIndex, 3)
tb = ua.TwoByteNodeId(53)
fb = ua.FourByteNodeId(53)
n = ua.NumericNodeId(53)
n1 = ua.NumericNodeId(53, 0)
s1 = ua.StringNodeId("53", 0)
bs = ua.ByteStringNodeId(b"53", 0)
gid = uuid.uuid4()
g = ua.ByteStringNodeId(str(gid), 0)
guid = ua.GuidNodeId(gid)
self.assertEqual(tb, fb)
self.assertEqual(tb, n)
self.assertEqual(tb, n1)
self.assertEqual(n1, fb)
self.assertNotEqual(g, guid)
self.assertEqual(tb, nodeid_from_binary(ua.utils.Buffer(nodeid_to_binary(tb))))
self.assertEqual(fb, nodeid_from_binary(ua.utils.Buffer(nodeid_to_binary(fb))))
self.assertEqual(n, nodeid_from_binary(ua.utils.Buffer(nodeid_to_binary(n))))
self.assertEqual(s1, nodeid_from_binary(ua.utils.Buffer(nodeid_to_binary(s1))))
self.assertEqual(bs, nodeid_from_binary(ua.utils.Buffer(nodeid_to_binary(bs))))
self.assertEqual(guid, nodeid_from_binary(ua.utils.Buffer(nodeid_to_binary(guid))))
ua_types = [
('i', 'Int64'),
]
def __init__(self):
self.i = 0
self._freeze = True
def __str__(self):
return 'IntVal(' + 'i:' + str(self.i) + ')'
__repr__ = __str__
if __name__ == "__main__":
server = Server()
server.set_endpoint("opc.tcp://0.0.0.0:4840/")
ns = server.register_namespace("http://gopcua.com/")
uatypes.register_extension_object('IntVal', ua.StringNodeId("IntValType", ns), IntVal)
# definitely not clear why this is needed, but without it does not work
setattr(ua.ObjectIds, 'IntVal', 'IntValType')
main = server.nodes.objects.add_object(ua.NodeId("main", ns), "main")
main.add_variable(ua.NodeId("IntValZero", ns), "IntValZero", IntVal(), ua.VariantType.ExtensionObject)
server.start()
