tests: add data_loader test

Author: JeanFechter

geos-trame/tests/test_data_loader.py

@@ -0,0 +1,30 @@
+# SPDX-License-Identifier: Apache-2.0
+# SPDX-FileCopyrightText: Copyright 2023-2024 TotalEnergies.
+# SPDX-FileContributor: Kitware
+# ruff: noqa
+import pyvista as pv
+from pathlib import Path
+
+from trame_server import Server
+from trame_server.state import State
+from trame_vuetify.ui.vuetify3 import VAppLayout
+
+from geos.trame.app.core import GeosTrame
+from tests.trame_fixtures import trame_server_layout, trame_state
+
+
+def test_data_loader( trame_server_layout: tuple[ Server, VAppLayout ], trame_state: State ) -> None:
+    root_path = Path( __file__ ).parent.absolute().__str__()
+    file_name = root_path + "/data/geosDeck/geosDeck.xml"
+
+    geos_trame = GeosTrame( trame_server_layout[ 0 ], file_name )
+
+    geos_trame.data_loader.load_vtkmesh_from_id( "Problem/Mesh/0/VTKMesh/0" )
+    ug: pv.UnstructuredGrid = geos_trame.data_loader.region_viewer.input
+    assert ug.GetCellData().HasArray( "attribute" )
+    assert ug.GetPointData().HasArray( "RandomPointScalars" )
+    assert not ug.GetPointData().HasArray( "RandomPointVectors" )
+    assert ug.GetPointData().HasArray( "RandomPointVectors_0" )
+    assert ug.GetPointData().HasArray( "RandomPointVectors_1" )
+    assert ug.GetPointData().HasArray( "RandomPointVectors_2" )
+    assert not ug.GetPointData().HasArray( "RandomPointVectors_3" )