def test_vtk_pane_from_renwin(document, comm):
renWin = make_render_window()
pane = VTK(renWin)
# Create pane
model = pane.get_root(document, comm=comm)
assert isinstance(model, VTKSynchronizedPlot)
assert pane._models[model.ref['id']][0] is model
# Check array release when actor are removed from scene
ctx = pane._contexts[model.id]
assert len(ctx.dataArrayCache.keys()) == 5
pane.remove_all_actors()
# Default : 20s before removing arrays
assert len(ctx.dataArrayCache.keys()) == 5
# Force 0s for removing arrays
ctx.checkForArraysToRelease(0)
assert len(ctx.dataArrayCache.keys()) == 0
# Cleanup
pane._cleanup(model)
assert pane._contexts == {}
assert pane._models == {}
def test_vtk_pane_from_renwin(document, comm, tmp_path):
renWin = make_render_window()
pane = VTK(renWin)
# Create pane
model = pane.get_root(document, comm=comm)
assert isinstance(model, VTKPlot)
assert pane._models[model.ref['id']][0] is model
with BytesIO(base64.b64decode(model.data.encode())) as in_memory:
with ZipFile(in_memory) as zf:
filenames = zf.namelist()
assert len(filenames) == 4
assert 'index.json' in filenames
# Export Update and Read
tmpfile = os.path.join(*tmp_path.joinpath('export.vtkjs').parts)
pane.export_vtkjs(filename=tmpfile)
with open(tmpfile, 'rb') as file_exported:
pane.object = file_exported
# Cleanup
pane._cleanup(model)
assert pane._models == {}