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import pathlib
import helpers
import numpy as np
import pytest
import meshio
@pytest.mark.parametrize(
"mesh",
[helpers.empty_mesh, helpers.tri_mesh, helpers.quad_mesh, helpers.tri_quad_mesh],
)
def test_obj(mesh):
def writer(*args, **kwargs):
return meshio.obj.write(*args, **kwargs)
for k, c in enumerate(mesh.cells):
mesh.cells[k] = meshio.CellBlock(c.type, c.data.astype(np.int32))
helpers.write_read(writer, meshio.obj.read, mesh, 1.0e-12)
@pytest.mark.parametrize(
"filename, ref_sum, ref_num_cells", [("elephav.obj", 3.678372172450000e05, 1148)]
)
def test_reference_file(filename, ref_sum, ref_num_cells):
this_dir = pathlib.Path(__file__).resolve().parent
filename = this_dir / "meshes" / "obj" / filename
mesh = meshio.read(filename)
tol = 1.0e-5
s = np.sum(mesh.points)
assert abs(s - ref_sum) < tol * abs(ref_sum)
assert mesh.cells[0].type == "triangle"
assert len(mesh.cells[0].data) == ref_num_cells
|
