def test_init_invalid_type():
with pytest.raises(Exception):
PolygonalCircuit((0, 1, 2.0))
with pytest.raises(Exception):
PolygonalCircuit((Vertex(2, 3, 4), ))
with pytest.raises(Exception):
PolygonalCircuit((0, 1, Vertex(2, 3, 4)))
def test_adjacent_vertex_indices_5():
chain = PolygonalCircuit((0, 1, 4, 8))
quintuples = list(chain.adjacent_vertex_indices(5))
assert len(quintuples) == 4
assert quintuples[0] == (0, 1, 4, 8, 0)
assert quintuples[1] == (1, 4, 8, 0, 1)
assert quintuples[2] == (4, 8, 0, 1, 4)
assert quintuples[3] == (8, 0, 1, 4, 8)
def test_adjacent_vertex_indices_3():
chain = PolygonalCircuit((0, 1, 4, 8))
triplets = list(chain.adjacent_vertex_indices(3))
assert len(triplets) == 4
assert triplets[0] == (0, 1, 4)
assert triplets[1] == (1, 4, 8)
assert triplets[2] == (4, 8, 0)
assert triplets[3] == (8, 0, 1)
def test_adjacent_vertex_indices_2():
chain = PolygonalCircuit((0, 1, 4, 8))
pairs = list(chain.adjacent_vertex_indices(2))
assert len(pairs) == 4
assert pairs[0] == (0, 1)
assert pairs[1] == (1, 4)
assert pairs[2] == (4, 8)
assert pairs[3] == (8, 0)
def test_adjacent_vertex_indices_1():
chain = PolygonalCircuit((0, 1, 4, 8))
singles = list(chain.adjacent_vertex_indices(1))
assert len(singles) == 4
assert singles[0] == (0, )
assert singles[1] == (1, )
assert singles[2] == (4, )
assert singles[3] == (8, )
def test_hash_reverse():
assert hash(PolygonalCircuit(
(0, 1, 2))) == hash(PolygonalCircuit((2, 1, 0)))
assert hash(PolygonalCircuit(
(0, 1, 2))) == hash(PolygonalCircuit((0, 2, 1)))
assert hash(PolygonalCircuit(
(0, 1, 2, 4))) == hash(PolygonalCircuit((4, 2, 1, 0)))
assert hash(PolygonalCircuit(
(0, 1, 2, 4))) == hash(PolygonalCircuit((1, 0, 4, 2)))
assert hash(PolygonalCircuit(
(0, 1, 2, 4))) != hash(PolygonalCircuit((1, 4, 0, 2)))
def test_eq_reverse():
assert PolygonalCircuit((0, 1, 2)) == PolygonalCircuit((2, 1, 0))
assert PolygonalCircuit((0, 1, 2)) == PolygonalCircuit((0, 2, 1))
assert PolygonalCircuit((0, 1, 2, 4)) == PolygonalCircuit((4, 2, 1, 0))
assert PolygonalCircuit((0, 1, 2, 4)) == PolygonalCircuit((1, 0, 4, 2))
def test_eq():
assert PolygonalCircuit((0, 1)) == PolygonalCircuit((0, 1))
assert PolygonalCircuit((0, 1)) == PolygonalCircuit((1, 0))
assert PolygonalCircuit((0, 1, 2)) == PolygonalCircuit((0, 1, 2))
assert PolygonalCircuit((0, 1, 2)) == PolygonalCircuit((1, 2, 0))
assert PolygonalCircuit((0, 1, 2)) == PolygonalCircuit((2, 0, 1))
# pylint: disable=unneeded-not
assert not PolygonalCircuit((0, 1, 2)) == PolygonalCircuit((0, 1, 4))
assert not PolygonalCircuit((0, 1, 2)) == PolygonalCircuit((0, 4, 2))
assert not PolygonalCircuit((0, 1, 2)) == PolygonalCircuit((4, 1, 2))
def test__normalize(source_vertex_indices, expected_vertex_indices):
# pylint: disable=protected-access
circuit = PolygonalCircuit(source_vertex_indices)
assert expected_vertex_indices == circuit._normalize()._vertex_indices
def test_init_iterator():
circuit = PolygonalCircuit(iter([1, 2, 3, 5]))
assert circuit.vertex_indices == (1, 2, 3, 5)
def test_init_list():
circuit = PolygonalCircuit([1, 2, 3, 5])
assert circuit.vertex_indices == (1, 2, 3, 5)
def test_init_tuple():
circuit = PolygonalCircuit((1, 2, 3, 5))
assert circuit.vertex_indices == (1, 2, 3, 5)