def test_load_from_text():
entity = Spline.from_text(SPLINE)
assert entity.dxf.layer == "0"
assert entity.dxf.color == 256, "default color is 256 (by layer)"
assert entity.dxf.extrusion == (0, 0, 1)
assert entity.dxf.flags == 0
assert entity.dxf.degree == 3
assert entity.dxf.n_knots == 0
assert entity.dxf.n_control_points == 0
assert entity.dxf.n_fit_points == 0
def test_write_dxf():
entity = Spline.from_text(SPLINE2)
result = TagCollector.dxftags(entity)
expected = basic_tags_from_text(SPLINE2)
assert cmp_tags(result, expected, abs_tol=1e-4) == 0
def test_ignore_invalid_tangent_values_at_loading_stage():
spline = Spline.from_text(SPLINE_INVALID_TANGENT)
assert spline.dxf.hasattr("start_tangent") is False
assert spline.dxf.hasattr("end_tangent") is False
def spline():
return Spline.from_text(SPLINE)