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test_uamodeler.py
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test_uamodeler.py
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import sys
import pytest
from asyncua import ua
from PyQt5.QtCore import QTimer, QSettings, QModelIndex, Qt, QCoreApplication
from uamodeler.uamodeler import UaModeler
from uawidgets.new_node_dialogs import NewNodeBaseDialog, NewUaObjectDialog, NewUaVariableDialog, NewUaMethodDialog
@pytest.fixture(scope="function")
def modeler():
app = QApplication(sys.argv)
modeler = UaModeler()
yield modeler
#sys.exit(0)
@pytest.fixture
def mgr(modeler):
mgr = modeler.model_mgr._model_mgr
mgr.close_model(force=True) # make sure we close model
yield mgr
mgr.close_model(force=True) # make sure we close model
@pytest.fixture
def model(mgr):
mgr.new_model()
yield model
mgr.close_model(True)
def test_new_close(modeler, mgr):
mgr.new_model()
assert not mgr.modified
modeler.tree_ui.expand_to_node("Objects")
mgr.add_folder(1, "myfolder")
assert mgr.modified
with pytest.raises(RuntimeError):
mgr.close_model()
mgr.close_model(True)
def test_save_open_xml(modeler, mgr):
path = "test_save_open.xml"
val = 0.99
mgr.new_model()
modeler.tree_ui.expand_to_node("Objects")
node = mgr.add_variable(1, "myvar", val)
mgr.save_xml(path)
mgr.close_model()
with pytest.raises(Exception):
node = mgr.server_mgr.get_node(node.nodeid)
node.read_value()
mgr.open(path)
node = mgr.server_mgr.get_node(node.nodeid)
assert node.read_value() == val
mgr.close_model(True)
def test_save_open_ua_model(modeler, mgr):
path = "test_save_open.uamodel"
val = 0.99
mgr.new_model()
modeler.tree_ui.expand_to_node("Objects")
node = mgr.add_variable(1, "myvar", val)
mgr.save_ua_model(path)
mgr.save_xml(path)
mgr.close_model()
with pytest.raises(Exception):
node = mgr.server_mgr.get_node(node.nodeid)
node.read_value()
mgr.open(path)
node = mgr.server_mgr.get_node(node.nodeid)
node.read_value() == val
mgr.close_model()
#@pytest.mark.skip("Something wrong with expand_to_node")
def test_delete_save(modeler, mgr, model):
path = "test_delete_save.uamodel"
val = 0.99
modeler.tree_ui.expand_to_node("Objects")
obj_node = mgr.add_folder(1, "myobj")
obj2_node = mgr.add_folder(1, "myobj2")
QApplication.processEvents()
modeler.tree_ui.expand_to_node("myobj2")
var_node = mgr.add_variable(1, "myvar", val)
mgr.save_ua_model(path)
mgr.save_xml(path)
QApplication.processEvents()
modeler.tree_ui.expand_to_node(obj2_node)
mgr.delete_node(obj2_node)
mgr.save_ua_model(path)
mgr.save_xml(path)
assert obj2_node not in mgr.new_nodes
assert var_node not in mgr.new_nodes
def test_structs(modeler, mgr):
mgr.new_model()
urns = modeler.get_current_server().get_namespace_array()
ns_node = mgr.server_mgr.get_node(ua.ObjectIds.Server_NamespaceArray)
urns = ns_node.read_value()
urns.append("urn://modeller/testing")
ns_node.write_value(urns)
path = "test_save_structs.xml"
struct_node = mgr.server_mgr.get_node(ua.ObjectIds.Structure)
modeler.tree_ui.expand_to_node(struct_node)
mystruct = mgr.add_data_type(1, "MyStruct")
var1 = mystruct.add_variable(1, "MyFloat", 0.1, varianttype=ua.VariantType.Float)
var2 = mystruct.add_variable(1, "MyBytes", b'lkjlk', varianttype=ua.VariantType.ByteString)
mgr.save_xml(path)
assert len(mgr.new_nodes) == 4 # one struct + TypeDictionary node + namespace and struct node under typedict
# FIXME: test for presence of nodes under typedict for every new struct
opc_binary = mgr.server_mgr.get_node(ua.ObjectIds.OPCBinarySchema_TypeSystem)
typedict = opc_binary.get_child("1:TypeDictionary")
xml = typedict.read_value()
assert b"MyFloat" in xml
assert b"MyStruct" in xml
mgr.save_xml(path)
mgr.close_model()
mgr.open_xml(path)
opc_binary = mgr.server_mgr.get_node(ua.ObjectIds.OPCBinarySchema_TypeSystem)
typedict = opc_binary.get_child("1:TypeDictionary")
xml = typedict.read_value()
assert b"MyFloat" in xml
assert b"MyStruct" in xml
struct_node = mgr.server_mgr.get_node(ua.ObjectIds.Structure)
struct_node.get_child("1:MyStruct")
mgr.server_mgr.load_type_definitions()
st = ua.MyStruct()
assert hasattr(st, "MyFloat")
st.MyBytes = b"klk"
def test_structs_2(modeler, mgr):
mgr.new_model()
urns = modeler.get_current_server().get_namespace_array()
ns_node = mgr.server_mgr.get_node(ua.ObjectIds.Server_NamespaceArray)
urns = ns_node.read_value()
urns.append("urn://modeller/testing")
ns_node.write_value(urns)
path = "test_save_structs_2.xml"
struct_node = mgr.server_mgr.get_node(ua.ObjectIds.Structure)
modeler.tree_ui.expand_to_node(struct_node)
mystruct = mgr.add_data_type(1, "MyStruct")
QApplication.processEvents()
modeler.tree_ui.expand_to_node("MyStruct")
var_node = mgr.add_variable(1, "myvar", 0.1)
mgr.save_xml(path)
mgr.close_model()
mgr.open_xml(path)
struct_node = mgr.server_mgr.get_node(ua.ObjectIds.Structure)
mystruct_node = struct_node.get_child("1:MyStruct")
var2_node = mystruct_node.add_variable(1, "myvar2", 0.2)
# following code break...why??!?!??!
#QApplication.processEvents()
#modeler.tree_ui.expand_to_node("MyStruct")
#var2_node = mgr.add_variable(1, "myvar2", 0.2)
mgr.save_xml(path)
mgr.close_model()
mgr.open_xml(path)
struct_node = mgr.server_mgr.get_node(ua.ObjectIds.Structure)
mystruct = struct_node.get_child("1:MyStruct")
assert len(mystruct.get_children()) == 2
mgr.server_mgr.load_type_definitions()
st = ua.MyStruct()
assert hasattr(st, "myvar")
assert hasattr(st, "myvar2")
mgr.close_model()
def test_set_current_node(modeler, mgr, model):
objects = modeler.get_current_server().nodes.objects
modeler.tree_ui.expand_to_node("Objects")
assert objects == modeler.tree_ui.get_current_node()
def test_set_current_node_nodeid(modeler, mgr, model):
struct_node = mgr.server_mgr.get_node(ua.ObjectIds.Structure)
modeler.tree_ui.expand_to_node(struct_node)
assert struct_node == modeler.tree_ui.get_current_node()
def test_add_folder(modeler, mgr, model):
modeler.tree_ui.expand_to_node("Objects")
dia = NewNodeBaseDialog(modeler, "Add Folder", modeler.get_current_server())
args = dia.get_args()
new_node = mgr.add_folder(*args)
assert new_node in modeler.get_current_server().nodes.objects.get_children()
def test_add_variable_double(modeler, mgr, model):
modeler.tree_ui.expand_to_node("Objects")
dia = NewUaVariableDialog(modeler, "Add Variable", modeler.get_current_server(), dtype=ua.ObjectIds.Double)
args = dia.get_args()
new_node = mgr.add_variable(*args)
assert new_node in modeler.get_current_server().nodes.objects.get_children()
def test_add_variable_double_list(modeler, mgr, model):
modeler.tree_ui.expand_to_node("Objects")
dia = NewUaVariableDialog(modeler, "Add Variable", modeler.get_current_server(), dtype=ua.ObjectIds.Double)
args = dia.get_args()
new_node = mgr.add_variable(*args)
assert new_node in modeler.get_current_server().nodes.objects.get_children()
assert isinstance(new_node.read_value(), float)
def test_add_variable_string(modeler, mgr, model):
modeler.tree_ui.expand_to_node("Objects")
dia = NewUaVariableDialog(modeler, "Add Variable", modeler.get_current_server(), dtype=ua.ObjectIds.String)
args = dia.get_args()
new_node = mgr.add_variable(*args)
assert new_node in modeler.get_current_server().nodes.objects.get_children()
def test_add_variable_extobj(modeler, mgr, model):
modeler.tree_ui.expand_to_node("Objects")
dia = NewUaVariableDialog(modeler, "Add Variable", modeler.get_current_server(), dtype=ua.ObjectIds.Structure)
args = dia.get_args()
new_node = mgr.add_variable(*args)
assert new_node in modeler.get_current_server().nodes.objects.get_children()
def test_add_variable_bytes(modeler, mgr, model):
modeler.tree_ui.expand_to_node("Objects")
dia = NewUaVariableDialog(modeler, "Add Variable", modeler.get_current_server(), dtype=ua.ObjectIds.ByteString)
val = b"lkjkjl"
dia.valLineEdit.setText(val.decode())
args = dia.get_args()
new_node = mgr.add_variable(*args)
assert new_node in modeler.get_current_server().nodes.objects.get_children()
assert val == new_node.read_value()
def test_add_variable_float_fail(modeler, mgr, model):
modeler.tree_ui.expand_to_node("Objects")
dia = NewUaVariableDialog(modeler, "Add Variable", modeler.get_current_server(), dtype=ua.ObjectIds.Float)
dia.valLineEdit.setText("oiuiu")
with pytest.raises(ValueError):
args = dia.get_args()
new_node = mgr.add_variable(*args)
def test_add_namespace(modeler, mgr, model):
view = modeler.idx_ui.view
modeler.idx_ui.addNamespaceAction.activate(0)
editor = view.focusWidget()
urn = "urn:new_namespace"
editor.setText(urn)
view.commitData(editor)
view.closeEditor(editor, QAbstractItemDelegate.NoHint)
urns = modeler.get_current_server().get_namespace_array()
assert urn in urns
root = view.model().index(0, 0)
idx = root.child(len(urns)-1, 0)
view.setCurrentIndex(idx)
modeler.idx_ui.removeNamespaceAction.activate(0)
urns = modeler.get_current_server().get_namespace_array()
assert urn not in urns