import pathlib

import helpers
import pytest

import meshio

test_set = [
    # helpers.empty_mesh,
    helpers.tet_mesh
]


@pytest.mark.parametrize("mesh", test_set)
def test(mesh):
    helpers.write_read(
        meshio.tetgen.write, meshio.tetgen.read, mesh, 1.0e-15, extension=".node"
    )


@pytest.mark.parametrize(
    "filename, point_ref_sum, cell_ref_sum", [("mesh.ele", 12, 373)]
)
def test_point_cell_refs(filename, point_ref_sum, cell_ref_sum):
    this_dir = pathlib.Path(__file__).resolve().parent
    filename = this_dir / "meshes" / "tetgen" / filename

    mesh = meshio.read(filename)
    assert mesh.point_data["tetgen:ref"].sum() == point_ref_sum
    assert mesh.cell_data["tetgen:ref"][0].sum() == cell_ref_sum