REFACTOR: Improve code quality and test coverage

src/ansys/aedt/core/generic/general_methods.py

@@ -404,7 +404,7 @@ def open_file(file_path, file_options="r", encoding=None, override_existing=True
 
     Parameters
     ----------
-    file_path : str
+    file_path : str or Path
         Full absolute path to the file (either local or remote).
     file_options : str, optional
         Options for opening the file.

src/ansys/aedt/core/modeler/circuits/primitives_nexxim.py

@@ -22,7 +22,7 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 # SOFTWARE.
 
-import os
+from pathlib import Path
 import re
 import secrets
 import time
@@ -314,8 +314,9 @@
                     if component in [cmp.id, cmp.name, cmp.composed_name]:
                         comps.append(cmp)
                         break
+        if len(comps) < 2:
+            raise RuntimeError("At least two components have to be passed.")
         i = 0
-        assert len(comps) > 1, "At least two components have to be passed."
         while i < (len(comps) - 1):
             comps[i].pins[-1].connect_to_component(comps[i + 1].pins[0], use_wire=use_wire)
             i += 1
@@ -352,7 +353,8 @@
                     if component in [cmp.id, cmp.name, cmp.composed_name]:
                         comps.append(cmp)
                         break
-        assert len(comps) > 1, "At least two components have to be passed."
+        if len(comps) < 2:
+            raise RuntimeError("At least two components have to be passed.")
         comps[0].pins[0].connect_to_component([i.pins[0] for i in comps[1:]])
         terminal_to_connect = [cmp for cmp in comps if len(cmp.pins) >= 2]
         if len(terminal_to_connect) > 1:
@@ -1616,14 +1618,14 @@
             Name of the subcircuit HFSS link.
         pin_names : list
             List of the pin names.
-        source_project_path : str
+        source_project_path : str or Path
             Path to the source project.
         source_design_name : str
             Name of the design.
         solution_name : str, optional
             Name of the solution and sweep. The
             default is ``"Setup1 : Sweep"``.
-        image_subcircuit_path : str, optional
+        image_subcircuit_path : str or Path or None
             Path of the Picture used in Circuit.
             Default is an HFSS Picture exported automatically.
         model_type : str, optional
@@ -1647,6 +1649,8 @@
         >>> oComponentManager.Add
         >>> oDesign.AddCompInstance
         """
+        if isinstance(source_project_path, str):
+            source_project_path = Path(source_project_path)
         model = "hfss"
         owner = "HFSS"
         icon_file = "hfss.bmp"
@@ -1668,19 +1672,20 @@
         hspice_customization = self._get_comp_custom_settings(3, 1, 2, 3, 0, 0, "False", "", 3)
 
         if image_subcircuit_path:
-            _, file_extension = os.path.splitext(image_subcircuit_path)
-            if file_extension != ".gif" or file_extension != ".bmp" or file_extension != ".jpg":
+            if isinstance(image_subcircuit_path, str):
+                image_subcircuit_path = Path(image_subcircuit_path)
+            if image_subcircuit_path.suffix not in [".gif", ".bmp", ".jpg"]:
                 image_subcircuit_path = None
                 warnings.warn("Image extension is not valid. Use default image instead.")
         if not image_subcircuit_path:
-            image_subcircuit_path = os.path.normpath(
-                os.path.join(self._modeler._app.desktop_install_dir, "syslib", "Bitmaps", icon_file)
-            )
+            image_subcircuit_path = (
+                Path(self._modeler._app.desktop_install_dir) / "syslib" / "Bitmaps" / icon_file
+            ).resolve()
         filename = ""
         comp_name_aux = generate_unique_name(source_design_name)
         WB_SystemID = source_design_name
-        if not self._app.project_file == source_project_path:
-            filename = source_project_path
+        if Path(self._app.project_file) != source_project_path:
+            filename = str(source_project_path)
             comp_name_aux = comp_name
             WB_SystemID = ""
 
@@ -1699,7 +1704,7 @@
             "Description:=",
             "",
             "ImageFile:=",
-            image_subcircuit_path,
+            str(image_subcircuit_path),
             "SymbolPinConfiguration:=",
             0,
             ["NAME:PortInfoBlk"],
@@ -1946,7 +1951,7 @@
 
     @pyaedt_function_handler()
     def _edit_link_definition_hfss_subcircuit(self, component, edited_prop):
-        """Generic function to set the link definition for an hfss subcircuit."""
+        """Generic function to set the link definition for a HFSS subcircuit."""
         if isinstance(component, str):
             complist = component.split(";")
         elif isinstance(component, CircuitComponent):
@@ -1955,16 +1960,21 @@
             complist = self.components[component].composed_name.split(";")
         else:
             raise AttributeError("Wrong Component Input")
-        complist2 = complist[0].split("@")
-        arg = ["NAME:AllTabs"]
-        arg1 = ["NAME:Model"]
-        arg2 = ["NAME:PropServers", "Component@" + str(complist2[1])]
-        arg3 = ["NAME:ChangedProps", edited_prop]
-
-        arg1.append(arg2)
-        arg1.append(arg3)
-        arg.append(arg1)
 
+        arg = [
+            "NAME:AllTabs",
+            [
+                "NAME:Model",
+                [
+                    "NAME:PropServers",
+                    "Component@" + str(complist[0].split("@")[1]),
+                ],
+                [
+                    "NAME:ChangedProps",
+                    edited_prop,
+                ],
+            ],
+        ]
         self._app._oproject.ChangeProperty(arg)
         return True
 
@@ -2016,7 +2026,7 @@
 
         Parameters
         ----------
-        input_file : str
+        input_file : str or Path
             Path to .lib file.
         model : str, optional
             Model name to import. If `None` the first subckt in the lib file will be placed.
@@ -2038,12 +2048,15 @@
 
         Examples
         --------
+        >>> from pathlib import Path
         >>> from ansys.aedt.core import Circuit
         >>> cir = Circuit(version="2023.2")
-        >>> model = os.path.join("Your path", "test.lib")
+        >>> model = Path("Your path") / "test.lib"
         >>> cir.modeler.schematic.create_component_from_spicemodel(input_file=model,model="GRM1234",symbol="nexx_cap")
         >>> cir.release_desktop(False, False)
         """
+        if isinstance(input_file, str):
+            input_file = Path(input_file)
         models = self._parse_spice_model(input_file)
         if not model and models:
             model = models[0]
@@ -2061,20 +2074,19 @@
             else:
                 arg2.append([False, "", "", False])
         arg.append(arg2)
-        self.o_component_manager.ImportModelsFromFile(input_file.replace("\\", "/"), arg)
+        self.o_component_manager.ImportModelsFromFile(input_file.as_posix(), arg)
 
         if create_component:
             return self.create_component(None, component_library=None, component_name=model, location=location)
-        else:
-            return True
+        return True
 
     @pyaedt_function_handler(model_path="input_file", solution_name="solution")
     def add_siwave_dynamic_link(self, input_file, solution=None, simulate_solutions=False):
         """Add a siwave dinamyc link object.
 
         Parameters
         ----------
-        input_file : str
+        input_file : str or Path
             Full path to the .siw file.
         solution : str, optional
             Solution name.
@@ -2086,18 +2098,20 @@
         :class:`ansys.aedt.core.modeler.circuits.object_3d_circuit.CircuitComponent`
             Circuit Component Object.
         """
-        assert os.path.exists(input_file), "Project file doesn't exist"
-        comp_name = os.path.splitext(os.path.basename(input_file))[0]
-        results_path = input_file + "averesults"
-        solution_path = os.path.join(results_path, comp_name + ".asol")
-        # out = load_entire_aedt_file(solution)
+        if isinstance(input_file, str):
+            input_file = Path(input_file)
+        if not input_file.exists():
+            raise FileNotFoundError(f"Project file '{input_file}' doesn't exist")
+        comp_name = Path(input_file).stem
+        results_path = input_file.parent / f"{comp_name}.siwaveresults"
+        solution_path = results_path / f"{comp_name}.asol"
         out = load_keyword_in_aedt_file(solution_path, "Solutions")
         if not solution:
             solution = list(out["Solutions"]["SYZSolutions"].keys())[0]
-        results_folder = os.path.join(
-            results_path,
-            out["Solutions"]["SYZSolutions"][solution]["DiskName"],
-            out["Solutions"]["SYZSolutions"][solution]["DiskName"] + ".syzinfo",
+        results_folder = (
+            results_path
+            / out["Solutions"]["SYZSolutions"][solution]["DiskName"]
+            / f"{out['Solutions']['SYZSolutions'][solution]['DiskName']}.syzinfo"
         )
 
         pin_names = []

src/ansys/aedt/core/modules/solve_setup.py

@@ -1892,11 +1892,12 @@
         try:
             return self.properties["Solver"]
         except Exception:
-            pass
+            self.p_app.logger.debug("Cannot retrieve solver type with key 'Solver'")
         try:
             return self.props["SolveSetupType"]
         except Exception:
-            return None
+            self.p_app.logger.debug("Cannot retrieve solver type with key 'SolveSetupType'")
+        return None
 
     @pyaedt_function_handler()
     def create(self):

tests/unit/conftest.py

@@ -25,15 +25,16 @@
 from unittest.mock import MagicMock
 from unittest.mock import patch
 
+from ansys.aedt.core.generic.settings import settings
+from ansys.aedt.core.maxwell import Maxwell3d
 import pytest
 
+settings.enable_error_handler = False
+
 
 @pytest.fixture
 def maxwell_3d_setup():
-    """Fixture used to setup a Maxwell3d instance."""
-    with patch("ansys.aedt.core.maxwell.FieldAnalysis3D") as mock_fiel_analysis_3d, patch(
-        "ansys.aedt.core.maxwell.Maxwell"
-    ) as mock_maxwell:
-        mock_fiel_analysis_3d.return_value = MagicMock()
-        mock_maxwell.return_value = MagicMock()
-        yield {"FieldAnalysis3D": mock_fiel_analysis_3d, "Maxwell": mock_maxwell}
+    """Fixture used to mock the creation of a Maxwell instance."""
+    with patch("ansys.aedt.core.maxwell.Maxwell3d.__init__", lambda x: None):
+        mock_instance = MagicMock(spec=Maxwell3d)
+        yield mock_instance

tests/unit/test_primitives_nexxim.py

@@ -0,0 +1,51 @@
+# -*- coding: utf-8 -*-
+#
+# Copyright (C) 2021 - 2025 ANSYS, Inc. and/or its affiliates.
+# SPDX-License-Identifier: MIT
+#
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in all
+# copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+
+from pathlib import Path
+from unittest.mock import MagicMock
+from unittest.mock import patch
+import warnings
+
+from ansys.aedt.core.modeler.circuits.primitives_nexxim import NexximComponents
+import pytest
+
+
+def test_add_siwave_dynamic_link_failure_with_file_not_found():
+    file = Path("dummy")
+    modeler = MagicMock()
+    nexxim = NexximComponents(modeler)
+
+    with pytest.raises(FileNotFoundError):
+        nexxim.add_siwave_dynamic_link(file)
+
+
+@patch.object(warnings, "warn")
+def test_add_subcircuit_link_warning_call(mock_warn):
+    file = Path("dummy")
+    modeler = MagicMock()
+    nexxim = NexximComponents(modeler)
+
+    nexxim._add_subcircuit_link("dummy_comp", ["dummy_pin"], file, "dummy_source_design", image_subcircuit_path=file)
+
+    mock_warn.assert_any_call("Image extension is not valid. Use default image instead.")

tests/unit/test_warnings.py

@@ -62,7 +62,7 @@ def test_deprecation_warning_with_valid_python_version(mock_warn, monkeypatch):
 
 
 def test_alias_deprecation_warning():
-    """Test that pyaedt alias  warning is triggered."""
+    """Test that pyaedt alias warning is triggered."""
     import importlib
 
     import pyaedt