def test_compute_center_from_both_tangents_but_same_points(self):
candidate = Arc.compute_center_from_both_tangents(
p0=Point(0, 0),
p1=Point(0, 0),
tangent_p0=Point(1, 1),
tangent_p1=Point(1, -1))
assert candidate == Point(0, 0)
def test_compute_center_from_both_tangents_simple(self):
candidate = Arc.compute_center_from_both_tangents(
p0=Point(-1, 0),
p1=Point(1, 0),
tangent_p0=Point(0, 1),
tangent_p1=Point(0, -1))
assert candidate == Point(0, 0)
def test_compute_center_from_both_tangents_impossible(self):
with pytest.raises(AssertionError) as ae:
Arc.compute_center_from_both_tangents(p0=Point(-5, 2),
p1=Point(1, 0),
tangent_p0=Point(0, 1),
tangent_p1=Point(1, -1))