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import unittest |
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import logging |
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import xml.etree.ElementTree as Et |
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import pytest |
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from asyncua import ua, Server |
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import asyncua.common.type_dictionary_buider |
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from asyncua.common.type_dictionary_buider import OPCTypeDictionaryBuilder, DataTypeDictionaryBuilder |
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from asyncua.common.type_dictionary_buider import get_ua_class, StructNode |
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port_num = 48540 |
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ns_urn = 'http://test.freeopcua.github.io' |
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pytestmark = pytest.mark.asyncio |
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def to_camel_case(name): |
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func = getattr(asyncua.common.type_dictionary_buider, '_to_camel_case') |
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return func(name) |
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def reference_generator(source_id, target_id, reference_type, is_forward=True): |
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func = getattr(asyncua.common.type_dictionary_buider, '_reference_generator') |
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return func(source_id, target_id, reference_type, is_forward) |
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def set_up_test_tree(): |
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ext_head_attributes = {'xmlns:xsi': 'http://www.w3.org/2001/XMLSchema-instance', 'xmlns:tns': ns_urn, |
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'DefaultByteOrder': 'LittleEndian', 'xmlns:opc': 'http://opcfoundation.org/BinarySchema/', |
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'xmlns:ua': 'http://opcfoundation.org/UA/', 'TargetNamespace': ns_urn} |
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test_etree = Et.ElementTree(Et.Element('opc:TypeDictionary', ext_head_attributes)) |
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name_space = Et.SubElement(test_etree.getroot(), 'opc:Import') |
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name_space.attrib['Namespace'] = 'http://opcfoundation.org/UA/' |
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return test_etree |
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@pytest.fixture(scope="module") |
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async def _srv(server): |
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class Srv: |
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pass |
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srv = Srv() |
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srv.srv = server |
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srv.idx = await srv.srv.register_namespace(ns_urn) |
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yield srv |
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@pytest.fixture |
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async def srv(_srv): |
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_srv.test_etree = set_up_test_tree() |
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_srv.opc_type_builder = OPCTypeDictionaryBuilder(ns_urn) |
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_srv.dict_builder = DataTypeDictionaryBuilder(_srv.srv, _srv.idx, ns_urn, 'TestDict') |
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await _srv.dict_builder.init() |
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_srv.init_counter = getattr(_srv.dict_builder, '_id_counter') |
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yield _srv |
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curr_counter = getattr(_srv.dict_builder, '_id_counter') |
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trash_nodes = [] |
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for counter in range(_srv.init_counter, curr_counter + 1): |
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trash_nodes.append(_srv.srv.get_node('ns={0};i={1}'.format(_srv.idx, str(counter)))) |
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await _srv.srv.delete_nodes(trash_nodes) |
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async def test_camel_case_1(): |
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case = 'TurtleActionlibShapeActionFeedback' |
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result = to_camel_case('turtle_actionlib/ShapeActionFeedback') |
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assert result == case |
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async def test_camel_case_2(): |
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case = 'HelloWorldFffD' |
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result = to_camel_case('Hello#world+fff_**?&&d') |
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assert result == case |
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async def test_opc_type_dict_process_type_opc(srv): |
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case = 'opc:Boolean' |
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result = getattr(srv.opc_type_builder, '_process_type')('Boolean') |
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assert result == case |
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async def test_opc_type_dict_process_type_tns(srv): |
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case = 'tns:CustomizedStruct' |
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result = getattr(srv.opc_type_builder, '_process_type')('CustomizedStruct') |
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assert result == case |
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async def test_opc_type_dict_append_struct_1(srv): |
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case = {'BaseType': 'ua:ExtensionObject', |
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'Name': 'CustomizedStruct'} |
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result = srv.opc_type_builder.append_struct('CustomizedStruct') |
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assert result.attrib == case |
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async def test_opc_type_dict_append_struct_2(srv): |
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case = {'BaseType': 'ua:ExtensionObject', |
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'Name': 'CustomizedStruct'} |
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result = srv.opc_type_builder.append_struct('customized_#?+`struct') |
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assert result.attrib == case |
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async def test_opc_type_dict_add_field_1(srv): |
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structure_name = 'CustomizedStruct' |
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srv.opc_type_builder.append_struct(structure_name) |
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srv.opc_type_builder.add_field(ua.VariantType.Boolean, 'id', structure_name) |
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case = {'TypeName': 'opc:Boolean', |
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'Name': 'id'} |
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struct_dict = getattr(srv.opc_type_builder, '_structs_dict') |
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result = list(struct_dict[structure_name])[0] |
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assert result.attrib == case |
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async def test_opc_type_dict_add_field_2(srv): |
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structure_name = 'CustomizedStruct' |
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srv.opc_type_builder.append_struct(structure_name) |
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srv.opc_type_builder.add_field('Boolean', 'id', structure_name) |
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case = {'TypeName': 'opc:Boolean', |
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'Name': 'id'} |
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struct_dict = getattr(srv.opc_type_builder, '_structs_dict') |
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result = list(struct_dict[structure_name])[0] |
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assert result.attrib == case |
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async def test_opc_type_dict_add_field_3(srv): |
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structure_name = 'CustomizedStruct' |
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srv.opc_type_builder.append_struct(structure_name) |
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srv.opc_type_builder.add_field(ua.VariantType.Boolean, 'id', structure_name, is_array=True) |
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case = [{'TypeName': 'opc:Int32', |
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'Name': 'NoOfid'}, |
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{'TypeName': 'opc:Boolean', |
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'LengthField': 'NoOfid', |
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'Name': 'id'}] |
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struct_dict = getattr(srv.opc_type_builder, '_structs_dict') |
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result = [item.attrib for item in list(struct_dict[structure_name])] |
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assert result == case |
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async def test_opc_type_dict_get_dict_value(srv): |
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structure_name = 'CustomizedStruct' |
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srv.opc_type_builder.append_struct(structure_name) |
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# external tree operation |
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appended_struct = Et.SubElement(srv.test_etree.getroot(), 'opc:StructuredType') |
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appended_struct.attrib['BaseType'] = 'ua:ExtensionObject' |
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appended_struct.attrib['Name'] = to_camel_case(structure_name) |
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srv.opc_type_builder.add_field(ua.VariantType.Boolean, 'id', structure_name) |
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# external tree operation |
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field = Et.SubElement(appended_struct, 'opc:Field') |
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field.attrib['Name'] = 'id' |
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field.attrib['TypeName'] = 'opc:Boolean' |
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case = Et.tostring(srv.test_etree.getroot(), encoding='utf-8').decode("utf-8").replace(' ', '') |
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result = srv.opc_type_builder.get_dict_value().decode("utf-8").replace(' ', '').replace('\n', '') |
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assert result == case |
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async def test_reference_generator_1(srv): |
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id1 = ua.NodeId(1, namespaceidx=2, nodeidtype=ua.NodeIdType.Numeric) |
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id2 = ua.NodeId(2, namespaceidx=2, nodeidtype=ua.NodeIdType.Numeric) |
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ref = ua.NodeId(ua.ObjectIds.HasEncoding, 0) |
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result = reference_generator(id1, id2, ref) |
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assert result.IsForward |
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assert result.ReferenceTypeId == ref |
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assert result.SourceNodeId == id1 |
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assert result.TargetNodeClass == ua.NodeClass.DataType |
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assert result.TargetNodeId == id2 |
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async def test_reference_generator_2(srv): |
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id1 = ua.NodeId(1, namespaceidx=2, nodeidtype=ua.NodeIdType.Numeric) |
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id2 = ua.NodeId(2, namespaceidx=2, nodeidtype=ua.NodeIdType.Numeric) |
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ref = ua.NodeId(ua.ObjectIds.HasEncoding, 0) |
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result = reference_generator(id1, id2, ref, False) |
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assert not result.IsForward |
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assert result.ReferenceTypeId == ref |
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assert result.SourceNodeId == id1 |
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assert result.TargetNodeClass == ua.NodeClass.DataType |
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assert result.TargetNodeId == id2 |
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async def test_data_type_dict_general(srv): |
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assert srv.dict_builder.dict_id is not None |
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assert getattr(srv.dict_builder, '_type_dictionary') is not None |
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185
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186
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async def test_data_type_dict_nodeid_generator(srv): |
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nodeid_generator = getattr(srv.dict_builder, '_nodeid_generator') |
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result = nodeid_generator() |
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assert isinstance(result, ua.NodeId) |
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assert str(result.Identifier).isdigit() |
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assert result.NamespaceIndex == srv.idx |
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setattr(srv.dict_builder, '_id_counter', srv.init_counter) |
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195
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async def test_data_type_dict_add_dictionary(srv): |
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add_dictionary = getattr(srv.dict_builder, '_add_dictionary') |
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dict_name = 'TestDict' |
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dict_node = srv.srv.get_node(await add_dictionary(dict_name)) |
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assert await dict_node.get_browse_name() == ua.QualifiedName(dict_name, srv.idx) |
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200
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assert await dict_node.get_node_class() == ua.NodeClass.Variable |
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assert (await dict_node.get_parent()).nodeid == ua.NodeId(ua.ObjectIds.OPCBinarySchema_TypeSystem, 0) |
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202
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assert ua.NodeId(ua.ObjectIds.HasComponent, 0) == (await dict_node.get_references(refs=ua.ObjectIds.HasComponent))[0].ReferenceTypeId |
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203
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assert await dict_node.get_type_definition() == ua.NodeId(ua.ObjectIds.DataTypeDictionaryType, 0) |
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204
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assert await dict_node.get_display_name() == ua.LocalizedText(dict_name) |
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205
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assert await dict_node.get_data_type() == ua.NodeId(ua.ObjectIds.ByteString) |
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206
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assert await dict_node.get_value_rank() == -1 |
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207
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208
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209
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async def test_data_type_dict_create_data_type(srv): |
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type_name = 'CustomizedStruct' |
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created_type = await srv.dict_builder.create_data_type(type_name) |
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assert isinstance(created_type, StructNode) |
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# Test data type node |
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type_node = srv.srv.get_node(created_type.data_type) |
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215
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assert await type_node.get_browse_name() == ua.QualifiedName(type_name, srv.idx) |
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216
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assert await type_node.get_node_class() == ua.NodeClass.DataType |
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217
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assert (await type_node.get_parent()).nodeid == ua.NodeId(ua.ObjectIds.Structure, 0) |
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218
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assert ua.NodeId(ua.ObjectIds.HasSubtype, 0) == (await type_node.get_references(refs=ua.ObjectIds.HasSubtype))[0].ReferenceTypeId |
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219
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assert await type_node.get_display_name() == ua.LocalizedText(type_name) |
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220
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221
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# Test description node |
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desc_node = (await srv.srv.get_node(srv.dict_builder.dict_id).get_children())[0] |
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223
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assert await desc_node.get_browse_name() == ua.QualifiedName(type_name, srv.idx) |
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224
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assert await desc_node.get_node_class() == ua.NodeClass.Variable |
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225
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assert (await desc_node.get_parent()).nodeid == srv.dict_builder.dict_id |
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226
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assert ua.NodeId(ua.ObjectIds.HasComponent, 0) == (await desc_node.get_references(refs=ua.ObjectIds.HasComponent))[0].ReferenceTypeId |
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227
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assert await desc_node.get_type_definition() == ua.NodeId(ua.ObjectIds.DataTypeDescriptionType, 0) |
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228
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229
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assert await desc_node.get_display_name() == ua.LocalizedText(type_name) |
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230
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assert await desc_node.get_data_type() == ua.NodeId(ua.ObjectIds.String) |
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231
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assert await desc_node.get_value() == type_name |
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232
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assert await desc_node.get_value_rank() == -1 |
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233
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234
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# Test object node |
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235
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obj_node = (await type_node.get_children(refs=ua.ObjectIds.HasEncoding))[0] |
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236
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assert await obj_node.get_browse_name() == ua.QualifiedName('Default Binary', 0) |
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237
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assert await obj_node.get_node_class() == ua.NodeClass.Object |
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238
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assert (await obj_node.get_references(refs=ua.ObjectIds.HasEncoding))[0].NodeId == type_node.nodeid |
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239
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assert ua.NodeId(ua.ObjectIds.HasEncoding, 0) == (await obj_node.get_references(refs=ua.ObjectIds.HasEncoding))[0].ReferenceTypeId |
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240
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assert await obj_node.get_type_definition() == ua.NodeId(ua.ObjectIds.DataTypeEncodingType, 0) |
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241
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assert await obj_node.get_display_name() == ua.LocalizedText('Default Binary') |
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242
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assert len(await obj_node.get_event_notifier()) == 0 |
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243
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244
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# Test links, three were tested above |
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245
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struct_node = srv.srv.get_node(ua.NodeId(ua.ObjectIds.Structure, 0)) |
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246
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struct_children = await struct_node.get_children(refs=ua.ObjectIds.HasSubtype) |
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247
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assert type_node in struct_children |
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248
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dict_node = srv.srv.get_node(srv.dict_builder.dict_id) |
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249
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dict_children = await dict_node.get_children(refs=ua.ObjectIds.HasComponent) |
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250
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assert desc_node in dict_children |
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251
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assert obj_node in await type_node.get_children(ua.ObjectIds.HasEncoding) |
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252
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assert desc_node in await obj_node.get_children(refs=ua.ObjectIds.HasDescription) |
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253
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assert obj_node.nodeid == (await desc_node.get_references(refs=ua.ObjectIds.HasDescription, direction=ua.BrowseDirection.Inverse))[0].NodeId |
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254
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255
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256
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async def test_data_type_dict_set_dict_byte_string(srv): |
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257
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structure_name = 'CustomizedStruct' |
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258
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await srv.dict_builder.create_data_type(structure_name) |
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259
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srv.dict_builder.add_field(ua.VariantType.Int32, 'id', structure_name) |
|
260
|
|
|
await srv.dict_builder.set_dict_byte_string() |
|
261
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|
|
# external tree operation |
|
262
|
|
|
appended_struct = Et.SubElement(srv.test_etree.getroot(), 'opc:StructuredType') |
|
263
|
|
|
appended_struct.attrib['BaseType'] = 'ua:ExtensionObject' |
|
264
|
|
|
appended_struct.attrib['Name'] = to_camel_case(structure_name) |
|
265
|
|
|
|
|
266
|
|
|
# external tree operation |
|
267
|
|
|
field = Et.SubElement(appended_struct, 'opc:Field') |
|
268
|
|
|
field.attrib['Name'] = 'id' |
|
269
|
|
|
field.attrib['TypeName'] = 'opc:Int32' |
|
270
|
|
|
case = Et.tostring(srv.test_etree.getroot(), encoding='utf-8').decode("utf-8").replace(' ', '') |
|
271
|
|
|
result = (await srv.srv.get_node(srv.dict_builder.dict_id).get_value()).decode("utf-8").replace(' ', '').replace('\n', '') |
|
272
|
|
|
assert result == case |
|
273
|
|
|
|
|
274
|
|
|
|
|
275
|
|
|
async def test_data_type_dict_add_field_1(srv): |
|
276
|
|
|
struct_name = 'CustomizedStruct' |
|
277
|
|
|
await srv.dict_builder.create_data_type(struct_name) |
|
278
|
|
|
srv.dict_builder.add_field(ua.VariantType.Int32, 'id', struct_name) |
|
279
|
|
|
await srv.dict_builder.set_dict_byte_string() |
|
280
|
|
|
await srv.srv.load_type_definitions() |
|
281
|
|
|
struct = get_ua_class(struct_name) |
|
282
|
|
|
assert struct.ua_types[0][0] == 'id' |
|
283
|
|
|
assert struct.ua_types[0][1] == 'Int32' |
|
284
|
|
|
struct_instance = struct() |
|
285
|
|
|
assert struct_instance.id == 0 |
|
286
|
|
|
|
|
287
|
|
|
|
|
288
|
|
|
async def test_data_type_dict_add_field_2(srv): |
|
289
|
|
|
struct_name = 'AnotherCustomizedStruct' |
|
290
|
|
|
await srv.dict_builder.create_data_type(struct_name) |
|
291
|
|
|
srv.dict_builder.add_field(ua.VariantType.Int32, 'id', struct_name, is_array=True) |
|
292
|
|
|
await srv.dict_builder.set_dict_byte_string() |
|
293
|
|
|
await srv.srv.load_type_definitions() |
|
294
|
|
|
struct = get_ua_class(struct_name) |
|
295
|
|
|
assert struct.ua_types[0][0] == 'id' |
|
296
|
|
|
assert struct.ua_types[0][1] == 'ListOfInt32' |
|
297
|
|
|
struct_instance = struct() |
|
298
|
|
|
assert isinstance(struct_instance.id, list) |
|
299
|
|
|
|
|
300
|
|
|
|
|
301
|
|
|
async def test_struct_node_general(srv): |
|
302
|
|
|
struct_name = 'CustomizedStruct' |
|
303
|
|
|
struct_node = await srv.dict_builder.create_data_type(struct_name) |
|
304
|
|
|
assert getattr(struct_node, '_type_dict'), srv.dict_builder |
|
305
|
|
|
assert isinstance(struct_node.data_type, ua.NodeId) |
|
306
|
|
|
assert struct_node.name == struct_name |
|
307
|
|
|
|
|
308
|
|
|
|
|
309
|
|
|
async def test_struct_node_add_field(srv): |
|
310
|
|
|
struct_name = 'CustomizedStruct' |
|
311
|
|
|
struct_node = await srv.dict_builder.create_data_type(struct_name) |
|
312
|
|
|
struct_node.add_field('id', ua.VariantType.Int32) |
|
313
|
|
|
await srv.dict_builder.set_dict_byte_string() |
|
314
|
|
|
await srv.srv.load_type_definitions() |
|
315
|
|
|
struct = get_ua_class(struct_name) |
|
316
|
|
|
assert struct.ua_types[0][0] == 'id' |
|
317
|
|
|
assert struct.ua_types[0][1] == 'Int32' |
|
318
|
|
|
struct_instance = struct() |
|
319
|
|
|
assert struct_instance.id == 0 |
|
320
|
|
|
|
|
321
|
|
|
|
|
322
|
|
|
async def test_get_ua_class_1(srv): |
|
323
|
|
|
struct_name = 'CustomizedStruct' |
|
324
|
|
|
struct_node = await srv.dict_builder.create_data_type(struct_name) |
|
325
|
|
|
struct_node.add_field('id', ua.VariantType.Int32) |
|
326
|
|
|
await srv.dict_builder.set_dict_byte_string() |
|
327
|
|
|
await srv.srv.load_type_definitions() |
|
328
|
|
|
try: |
|
329
|
|
|
assert get_ua_class(struct_name) is not None |
|
330
|
|
|
except AttributeError: |
|
331
|
|
|
pass |
|
332
|
|
|
|
|
333
|
|
|
|
|
334
|
|
|
async def test_get_ua_class_2(srv): |
|
335
|
|
|
struct_name = '*c*u_stom-ized&Stru#ct' |
|
336
|
|
|
struct_node = await srv.dict_builder.create_data_type(struct_name) |
|
337
|
|
|
struct_node.add_field('id', ua.VariantType.Int32) |
|
338
|
|
|
await srv.dict_builder.set_dict_byte_string() |
|
339
|
|
|
await srv.srv.load_type_definitions() |
|
340
|
|
|
try: |
|
341
|
|
|
assert get_ua_class(struct_name) is not None |
|
342
|
|
|
except AttributeError: |
|
343
|
|
|
pass |
|
344
|
|
|
|
|
345
|
|
|
|
|
346
|
|
|
async def test_functional_basic(srv): |
|
347
|
|
|
basic_struct_name = 'basic_structure' |
|
348
|
|
|
basic_struct = await srv.dict_builder.create_data_type(basic_struct_name) |
|
349
|
|
|
basic_struct.add_field('ID', ua.VariantType.Int32) |
|
350
|
|
|
basic_struct.add_field('Gender', ua.VariantType.Boolean) |
|
351
|
|
|
basic_struct.add_field('Comments', ua.VariantType.String) |
|
352
|
|
|
|
|
353
|
|
|
await srv.dict_builder.set_dict_byte_string() |
|
354
|
|
|
await srv.srv.load_type_definitions() |
|
355
|
|
|
|
|
356
|
|
|
basic_var = await srv.srv.nodes.objects.add_variable(ua.NodeId(namespaceidx=srv.idx), 'BasicStruct', |
|
357
|
|
|
ua.Variant(None, ua.VariantType.Null), |
|
358
|
|
|
datatype=basic_struct.data_type) |
|
359
|
|
|
|
|
360
|
|
|
basic_msg = get_ua_class(basic_struct_name)() |
|
361
|
|
|
basic_msg.ID = 3 |
|
362
|
|
|
basic_msg.Gender = True |
|
363
|
|
|
basic_msg.Comments = 'Test string' |
|
364
|
|
|
await basic_var.set_value(basic_msg) |
|
365
|
|
|
|
|
366
|
|
|
basic_result = await basic_var.get_value() |
|
367
|
|
|
assert basic_result == basic_msg |
|
368
|
|
|
|
|
369
|
|
|
|
|
370
|
|
|
async def test_functional_advance(srv): |
|
371
|
|
|
basic_struct_name = 'basic_structure' |
|
372
|
|
|
basic_struct = await srv.dict_builder.create_data_type(basic_struct_name) |
|
373
|
|
|
basic_struct.add_field('ID', ua.VariantType.Int32) |
|
374
|
|
|
basic_struct.add_field('Gender', ua.VariantType.Boolean) |
|
375
|
|
|
basic_struct.add_field('Comments', ua.VariantType.String) |
|
376
|
|
|
|
|
377
|
|
|
nested_struct_name = 'nested_structure' |
|
378
|
|
|
nested_struct = await srv.dict_builder.create_data_type(nested_struct_name) |
|
379
|
|
|
nested_struct.add_field('Name', ua.VariantType.String) |
|
380
|
|
|
nested_struct.add_field('Surname', ua.VariantType.String) |
|
381
|
|
|
nested_struct.add_field('Stuff', basic_struct) |
|
382
|
|
|
|
|
383
|
|
|
await srv.dict_builder.set_dict_byte_string() |
|
384
|
|
|
await srv.srv.load_type_definitions() |
|
385
|
|
|
|
|
386
|
|
|
basic_var = await srv.srv.nodes.objects.add_variable(ua.NodeId(namespaceidx=srv.idx), 'BasicStruct', |
|
387
|
|
|
ua.Variant(None, ua.VariantType.Null), |
|
388
|
|
|
datatype=basic_struct.data_type) |
|
389
|
|
|
|
|
390
|
|
|
basic_msg = get_ua_class(basic_struct_name)() |
|
391
|
|
|
basic_msg.ID = 3 |
|
392
|
|
|
basic_msg.Gender = True |
|
393
|
|
|
basic_msg.Comments = 'Test string' |
|
394
|
|
|
await basic_var.set_value(basic_msg) |
|
395
|
|
|
|
|
396
|
|
|
nested_var = await srv.srv.nodes.objects.add_variable(ua.NodeId(namespaceidx=srv.idx), 'NestedStruct', |
|
397
|
|
|
ua.Variant(None, ua.VariantType.Null), |
|
398
|
|
|
datatype=nested_struct.data_type) |
|
399
|
|
|
|
|
400
|
|
|
nested_msg = get_ua_class(nested_struct_name)() |
|
401
|
|
|
nested_msg.Stuff = basic_msg |
|
402
|
|
|
nested_msg.Name = 'Max' |
|
403
|
|
|
nested_msg.Surname = 'Karl' |
|
404
|
|
|
await nested_var.set_value(nested_msg) |
|
405
|
|
|
|
|
406
|
|
|
basic_result = await basic_var.get_value() |
|
407
|
|
|
assert basic_result == basic_msg |
|
408
|
|
|
nested_result = await nested_var.get_value() |
|
409
|
|
|
assert nested_result == nested_msg |
|
410
|
|
|
|
FreeOpcUa /
opcua-asyncio
