feat(Cells) mesh cells protocols

Author: JulienChampagnol

tests/data/images/mesh/cells/color.jpeg

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+# Standard library imports
+from typing import Callable
+
+# Third party imports
+from opengeodeweb_viewer.rpc.mesh.mesh_protocols import VtkMeshView
+from opengeodeweb_viewer.rpc.mesh.cells.cells_protocols import VtkMeshCellsView
+
+# Local application imports
+from tests.mesh.test_mesh_protocols import test_register_mesh
+from tests.conftest import ServerMonitor
+
+# Local constants
+id = "regular_grid_2d"
+
+def test_register(server: ServerMonitor, dataset_factory: Callable[..., str]) -> None:
+
+    dataset_factory(id=id, viewable_file=f"{id}.vti")
+
+    server.call(
+        VtkMeshView.mesh_prefix + VtkMeshView.mesh_schemas_dict["register"]["rpc"],
+        [{"id": id}],
+    )
+    assert server.compare_image("mesh/cells/register.jpeg") == True
+
+def test_cells_color(
+    server: ServerMonitor, dataset_factory: Callable[..., str]
+) -> None:
+
+    test_register(server, dataset_factory)
+
+    server.call(
+        VtkMeshCellsView.mesh_cells_prefix
+        + VtkMeshCellsView.mesh_cells_schemas_dict["color"]["rpc"],
+        [{"id": id, "color": {"r": 255, "g": 0, "b": 0}}],
+    )
+    assert server.compare_image("mesh/cells/color.jpeg") == True
+
+
+def test_cells_visibility(
+    server: ServerMonitor, dataset_factory: Callable[..., str]
+) -> None:
+
+    test_register(server, dataset_factory)
+
+    server.call(
+        VtkMeshCellsView.mesh_cells_prefix
+        + VtkMeshCellsView.mesh_cells_schemas_dict["visibility"]["rpc"],
+        [{"id": id, "visibility": False}],
+    )
+    assert server.compare_image("mesh/cells/visibility.jpeg") == True