[GeoMechanicsApplication] Investigate the occasional failure of the "…

…test_parameter_field_with_python_umat_parameters" test on the build server 2nd (#12760)

* added more prints

* used RuntimeError to raise exceptions

* response to the review

---------

Co-authored-by: Gennady Markelov <[email protected]>

applications/GeoMechanicsApplication/tests/test_parameter_field.py

@@ -63,6 +63,8 @@ def test_parameter_field_with_python_umat_parameters(self):
 
         custom_script_name = "custom_field_umat_parameters.py"
         custom_python_file = os.path.join(file_path, custom_script_name)
+        if not os.path.isfile(custom_python_file):
+            raise RuntimeError(f"Source file does not exist. {custom_python_file}")
 
         # copy user defined python script to installation folder
         new_custom_script_path = os.path.join(os.path.dirname(KratosGeo.__file__), "user_defined_scripts")
@@ -71,21 +73,28 @@ def test_parameter_field_with_python_umat_parameters(self):
         try:
             shutil.copy(custom_python_file, new_custom_script_path)
         except shutil.SameFileError as e:
-             print(f"Source and destination represents the same file. {e}")
-             raise
+            raise RuntimeError(f"Source and destination represents the same file.") from e
         except PermissionError as e:
-             print(f"Permission denied: {e}")
-             raise
+            raise RuntimeError(f"Permission denied.") from e
         except IOError as e:
-             print(f"Try to change the destination file permission {e}")
-             os.chmod(new_custom_script_path, stat.S_IRWXU)
-             shutil.copy(custom_python_file, new_custom_script_path)
+            print(f"Try to change the destination file permission {e}")
+            os.chmod(new_custom_script_path, stat.S_IRWXU)
+            shutil.copy(custom_python_file, new_custom_script_path)
         except Exception as e:
-             print(f"Error occurred while copying the file {e}.")
-             raise
+            raise RuntimeError(f"Error occurred while copying the file.") from e
+        except BaseException as e:
+            raise RuntimeError(f"An unknown error occurred while copying the file.") from e
+
+        custom_python_file_new_location = os.path.join(new_custom_script_path, custom_script_name)
+
+        if not os.path.isfile(custom_python_file_new_location):
+            raise RuntimeError(f"File {custom_python_file_new_location} does not exist after copying the source.")
 
         simulation = test_helper.run_kratos(file_path)
 
+        if not os.path.isfile(custom_python_file_new_location):
+            raise RuntimeError(f"File {custom_python_file_new_location} does not exist after run_kratos.")
+
         # get element centers
         elements = simulation._list_of_output_processes[0].model_part.Elements
         center_coords = [element.GetGeometry().Center() for element in elements]
@@ -98,6 +107,9 @@ def test_parameter_field_with_python_umat_parameters(self):
             expected_res = 20000 * center_coord[0] + 30000 * center_coord[1]
             self.assertAlmostEqual(expected_res, res[0][0])
 
+        if not os.path.isfile(custom_python_file_new_location):
+            raise RuntimeError(f"File {custom_python_file_new_location} does not exist before removal.")
+
         # remove user defined python script from installation folder
         os.remove(os.path.join(new_custom_script_path, custom_script_name))
 
@@ -125,7 +137,6 @@ def test_parameter_field_with_json_umat_parameters(self):
             expected_res = 20000 * center_coord[0] + 30000 * center_coord[1]
             self.assertAlmostEqual(expected_res, res[0][0])
 
-
     def test_parameter_field_with_function(self):
         """
         Test to check if values from a function defined parameter field are correctly added to each individual element