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import pathlib
import pytest
import meshio
from . import helpers
@pytest.mark.parametrize(
"filename, ref_cell_type, ref_num_cells, ref_num_points, ref_dim",
[
("line.dgf", "line", 2, 3, 3),
("triangle.dgf", "triangle", 6, 7, 2),
("cube.dgf", "quad", 3, 7, 2),
],
)
def test_dgf(filename, ref_cell_type, ref_num_cells, ref_num_points, ref_dim, tmp_path):
this_dir = pathlib.Path(__file__).resolve().parent
filename = this_dir / "meshes" / "dgf" / filename
mesh = meshio.read(filename)
assert len(mesh.cells) == 1
assert ref_cell_type == mesh.cells[0].type
assert len(mesh.cells[0].data) == ref_num_cells
assert len(mesh.points) == ref_num_points
assert mesh.points.shape[1] == ref_dim
helpers.write_read(
tmp_path, meshio.dgf.write, meshio.dgf.read, mesh, 1.0e-15, extension=".dgf"
)
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