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import copy
import pathlib
import sys
import helpers
import numpy as np
import pytest
import meshio
@pytest.mark.parametrize(
"mesh, data",
[
(helpers.empty_mesh, []),
(helpers.tet_mesh, []),
(helpers.hex_mesh, []),
(helpers.tet_mesh, [1, 2]),
],
)
@pytest.mark.parametrize("binary", [False, True])
def test(mesh, data, binary):
if data:
mesh = copy.deepcopy(mesh)
mesh.cell_data["flac3d:group"] = [np.array(data)]
helpers.write_read(
lambda f, m: meshio.flac3d.write(f, m, binary=binary),
meshio.flac3d.read,
mesh,
1.0e-15,
)
# the failure perhaps has to do with dictionary ordering
@pytest.mark.skipif(sys.version_info < (3, 6), reason="Fails with 3.5")
@pytest.mark.parametrize(
"filename",
["flac3d_mesh_ex.f3grid", "flac3d_mesh_ex_bin.f3grid"],
)
def test_reference_file(filename):
this_dir = pathlib.Path(__file__).resolve().parent
filename = this_dir / "meshes" / "flac3d" / filename
mesh = meshio.read(filename)
# points
assert np.isclose(mesh.points.sum(), 307.0)
# cells
ref_num_cells = [
("hexahedron", 45),
("pyramid", 9),
("hexahedron", 18),
("wedge", 9),
("hexahedron", 6),
("wedge", 3),
("hexahedron", 6),
("wedge", 3),
("pyramid", 6),
("tetra", 3),
("quad", 15),
("triangle", 3),
]
assert [(k, len(v)) for k, v in mesh.cells] == ref_num_cells
# Cell data
ref_sum_cell_data = [num_cell[1] for num_cell in ref_num_cells]
assert [len(arr) for arr in mesh.cell_data["flac3d:group"]] == ref_sum_cell_data
|
