def test_control_vertices(p1):
vertices = list(p1.control_vertices())
assert vertices == Vector.list([(0, 0), (2, 0), (2, 1), (4, 1), (4, 0)])
path = Path()
assert len(list(path.control_vertices())) == 0
path = Path.from_vertices([(0, 0), (1, 0)])
assert len(list(path.control_vertices())) == 2
def test_has_clockwise_orientation():
# basic has_clockwise_orientation() function is tested in:
# test_617_clockwise_orientation
path = Path.from_vertices([(0, 0), (1, 0), (1, 1), (0, 1)])
assert path.has_clockwise_orientation() is True
path = Path()
path.line_to((2, 0))
path.curve_to((4, 0), (2, 1), (4, 1)) # end, ctrl1, ctrl2
assert path.has_clockwise_orientation() is False
def test_only_vertices(self):
p = Path.from_vertices([(1, 0), (2, 0), (3, 1)])
result = list(to_bsplines_and_vertices(p))
assert len(result) == 1, "expected one list of vertices"
assert len(result[0]) == 3, "expected 3 vertices"