def test_nodeid():
nid = ua.NodeId()
assert nid.NodeIdType == ua.NodeIdType.TwoByte
nid = ua.NodeId(446, 3, ua.NodeIdType.FourByte)
assert nid.NodeIdType == ua.NodeIdType.FourByte
d = nodeid_to_binary(nid)
new_nid = nodeid_from_binary(io.BytesIO(d))
assert new_nid == nid
assert new_nid.NodeIdType == ua.NodeIdType.FourByte
assert new_nid.Identifier == 446
assert 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)
assert tb == fb
assert tb == n
assert tb == n1
assert n1 == fb
assert g != guid
assert tb == nodeid_from_binary(ua.utils.Buffer(nodeid_to_binary(tb)))
assert fb == nodeid_from_binary(ua.utils.Buffer(nodeid_to_binary(fb)))
assert n == nodeid_from_binary(ua.utils.Buffer(nodeid_to_binary(n)))
assert s1 == nodeid_from_binary(ua.utils.Buffer(nodeid_to_binary(s1)))
assert bs == nodeid_from_binary(ua.utils.Buffer(nodeid_to_binary(bs)))
assert guid == nodeid_from_binary(ua.utils.Buffer(nodeid_to_binary(guid)))
def test_null():
n = ua.NodeId(b'000000', 0, nodeidtype=ua.NodeIdType.Guid)
assert n.is_null()
assert n.has_null_identifier()
n = ua.NodeId(b'000000', 1, nodeidtype=ua.NodeIdType.Guid)
assert n.is_null() is False
assert n.has_null_identifier()
n = ua.NodeId()
assert n.is_null()
assert n.has_null_identifier()
n = ua.NodeId(0, 0)
assert n.is_null()
assert n.has_null_identifier()
n = ua.NodeId("", 0)
assert n.is_null()
assert n.has_null_identifier()
n = ua.TwoByteNodeId(0)
assert n.is_null()
assert n.has_null_identifier()
n = ua.NodeId(0, 3)
assert n.is_null() is False
assert n.has_null_identifier()
def _to_nodeid(nodeid):
if isinstance(nodeid, int):
return ua.TwoByteNodeId(nodeid)
if isinstance(nodeid, Node):
return nodeid.nodeid
if isinstance(nodeid, ua.NodeId):
return nodeid
if type(nodeid) in (str, bytes):
return ua.NodeId.from_string(nodeid)
raise ua.UaError(f"Could not resolve '{nodeid}' to a type id")
def _to_nodeid(nodeid):
if isinstance(nodeid, int):
return ua.TwoByteNodeId(nodeid)
elif isinstance(nodeid, Node):
return nodeid.nodeid
elif isinstance(nodeid, ua.NodeId):
return nodeid
elif type(nodeid) in (str, bytes):
return ua.NodeId.from_string(nodeid)
else:
raise ua.UaError("Could not resolve '{0}' to a type id".format(nodeid))
def _make_relative_path(self, path):
rpath = ua.RelativePath()
for item in path:
el = ua.RelativePathElement()
el.ReferenceTypeId = ua.TwoByteNodeId(ua.ObjectIds.HierarchicalReferences)
el.IsInverse = False
el.IncludeSubtypes = True
if isinstance(item, ua.QualifiedName):
el.TargetName = item
else:
el.TargetName = ua.QualifiedName.from_string(item)
rpath.Elements.append(el)
return rpath
def test_nodeid_ordering():
a = ua.NodeId(2000, 1)
b = ua.NodeId(3000, 1)
c = ua.NodeId(20, 0)
d = ua.NodeId("tititu", 1)
e = ua.NodeId("aaaaa", 1)
f = ua.NodeId("aaaaa", 2)
g = ua.NodeId(uuid.uuid4(), 1)
h = ua.TwoByteNodeId(2001)
i = ua.NodeId(b"lkjkl", 1, ua.NodeIdType.ByteString)
j = ua.NodeId(b"aaa", 5, ua.NodeIdType.ByteString)
mylist = [a, b, c, d, e, f, g, h, i, j]
mylist.sort()
expected = [h, c, a, b, e, d, f, g, i, j]
assert mylist == expected
def test_nodeid_ordering():
a = ua.NodeId(2000, 1)
b = ua.NodeId(3000, 1)
c = ua.NodeId(20, 0)
d = ua.NodeId("tititu", 1)
e = ua.NodeId("aaaaa", 1)
f = ua.NodeId("aaaaa", 2)
g = ua.NodeId(uuid.uuid4(), 1)
h = ua.TwoByteNodeId(201)
i = ua.NodeId(b"lkjkl", 1, ua.NodeIdType.ByteString)
j = ua.NodeId(b"aaa", 5, ua.NodeIdType.ByteString)
mylist = [a, b, c, d, e, f, g, h, i, j]
mylist.sort()
expected = [h, c, a, b, e, d, f, g, i, j]
expected = [c, h, a, b, e, d, f, g, i,
j] # FIXME: make sure this does not break some client/server
assert mylist == expected
def test_null():
n = ua.NodeId()
assert n.is_null()
assert n.has_null_identifier()
n = ua.NodeId(0, 0)
assert n.is_null()
assert n.has_null_identifier()
n = ua.NodeId("", 0)
assert n.is_null()
assert n.has_null_identifier()
n = ua.TwoByteNodeId(0)
assert n.is_null()
assert n.has_null_identifier()
n = ua.NodeId(0, 3)
assert n.is_null() is False
assert n.has_null_identifier()
def get_server_node(self):
"""
Get Server node of server. Returns a Node object.
"""
return self.get_node(ua.TwoByteNodeId(ua.ObjectIds.Server))
def get_objects_node(self):
"""
Get Objects node of server. Returns a Node object.
"""
return self.get_node(ua.TwoByteNodeId(ua.ObjectIds.ObjectsFolder))
def get_root_node(self):
"""
Get Root node of server. Returns a Node object.
"""
return self.get_node(ua.TwoByteNodeId(ua.ObjectIds.RootFolder))
def get_objects_node(self):
_logger.info("get_objects_node")
return self.get_node(ua.TwoByteNodeId(ua.ObjectIds.ObjectsFolder))
def get_root_node(self):
return self.get_node(ua.TwoByteNodeId(ua.ObjectIds.RootFolder))