def test_orbital_transfers():
orbital_pairs = orbits.injest('input_test_2.txt')
orbital_tree = orbits.build_tree(orbital_pairs)
print(orbital_tree)
assert orbits.orbital_transfers(orbital_tree, 'YOU', 'SAN') == 4
def test_path_to():
orbital_pairs = orbits.injest('input_test_2.txt')
orbital_tree = orbits.build_tree(orbital_pairs)
print(orbital_tree)
assert orbits.path_to(orbital_tree, 'COM',
'YOU') == ['B', 'C', 'D', 'E', 'J', 'K']
assert orbits.path_to(orbital_tree, 'COM', 'SAN') == ['B', 'C', 'D', 'I']
def test_injest():
orbital_pairs = orbits.injest('input_test.txt')
assert orbital_pairs is not None
assert len(orbital_pairs) is 11
assert orbital_pairs[0] == ('COM', 'B')
def test_count_orbits():
orbital_pairs = orbits.injest('input_test.txt')
orbital_tree = orbits.build_tree(orbital_pairs)
assert orbits.count_orbits(orbital_tree, 'COM') == 42
def test_bulid_tree():
orbital_pairs = orbits.injest('input_test.txt')
orbital_tree = orbits.build_tree(orbital_pairs)
assert len(orbital_tree) is 8