def test_from_polyface_type_error(msp):
polyline = msp.add_polyline3d([(0, 0, 0), (1, 0, 0)])
with pytest.raises(TypeError):
MeshBuilder.from_polyface(polyline)
line = msp.add_line(start=(0, 0, 0), end=(1, 0, 0))
with pytest.raises(TypeError):
MeshBuilder.from_polyface(line)
def test_from_polymesh(msp):
polymesh = msp.add_polymesh(size=(4, 4))
b = MeshBuilder.from_polyface(polymesh)
n = polymesh.dxf.n_count
m = polymesh.dxf.m_count
nfaces = (n - 1) * (m - 1)
assert len(b.vertices) == nfaces * 4 # unoptimized mesh builder
assert len(b.faces) == nfaces
def test_from_cube_polyface(cube_polyface):
b = MeshBuilder.from_polyface(cube_polyface)
assert len(b.vertices) == 24 # unoptimized mesh builder
assert len(b.faces) == 6
def test_from_empty_polyface(msp):
empty_polyface = msp.add_polyface()
b = MeshBuilder.from_polyface(empty_polyface)
assert len(b.vertices) == 0
assert len(b.faces) == 0