def test_unknown_extension_object():
obj = ua.ExtensionObject()
obj.Body = b'example of data in custom format'
obj.TypeId = ua.NodeId.from_string('ns=3;i=42')
data = ua.utils.Buffer(extensionobject_to_binary(obj))
obj2 = extensionobject_from_binary(data)
assert type(obj2) == ua.ExtensionObject
assert obj2.TypeId == obj.TypeId
assert obj2.Body == b'example of data in custom format'
def test_extension_object():
obj = ua.UserNameIdentityToken()
obj.UserName = "******"
obj.Password = b"pass"
obj2 = extensionobject_from_binary(ua.utils.Buffer(extensionobject_to_binary(obj)))
assert type(obj) == type(obj2)
assert obj.UserName == obj2.UserName
assert obj.Password == obj2.Password
v1 = ua.Variant(obj)
v2 = variant_from_binary(ua.utils.Buffer(variant_to_binary(v1)))
assert type(v1) == type(v2)
assert v1.VariantType == v2.VariantType
def test_empty_extension_object():
obj = ua.ExtensionObject()
obj2 = extensionobject_from_binary(
ua.utils.Buffer(extensionobject_to_binary(obj)))
assert type(obj) == type(obj2)
assert obj == obj2
