def test_get_players_from_location():
w = World()
w.add_player("nobus")
w.add_player("bobus")
w.add_player("popus")
p = w.get_players_from_location()
assert len(p) == 3
w.del_player("bobus")
p = w.get_players_from_location()
assert len(p) == 2
assert len(p[0]) == 3
name = p[0][0]
assert name == "nobus" or name == "popus"
def test_del_player():
n = "nobus"
w = World()
w.add_player(n)
w.del_player(n)
assert w.get_player(n) is None
