def test_swap_up_repeated() -> None:
e1 = Leader(1, "Sarah", "CEO", 500000, 30, "Some Corp.")
e2 = Employee(2, "Sandra", "Secretary", 20000, 30)
e3 = Leader(3, "Sofia", "Manager", 25000, 30, "Grunts Department")
e4 = Employee(4, "Senya", "Grunt Alpha", 15000, 30)
e5 = Employee(5, "Sylvia", "Grunt Beta", 10000, 30)
e6 = Employee(6, "Scarlett", "Grunt Gamma", 5000, 30)
e7 = Employee(7, "Samantha", "Grunt Epsilon", 2500, 100)
e2.become_subordinate(e1)
e3.become_subordinate(e1)
e4.become_subordinate(e3)
e5.become_subordinate(e4)
e6.become_subordinate(e5)
e7.become_subordinate(e6)
new_e7 = e7.swap_up()
assert new_e7.get_superior() == e5
assert new_e7.salary == 5000
assert new_e7.position == "Grunt Gamma"
for i in range(4):
new_e7 = new_e7.swap_up()
assert isinstance(new_e7, Leader)
assert new_e7.get_superior() is None
assert new_e7.salary == 500000
assert new_e7.position == "CEO"
assert new_e7.get_department_name() == "Some Corp."
new_subs = new_e7.get_direct_subordinates()
assert new_subs[0].name == "Sarah"
assert new_subs[1].name == "Sandra"
def test_swap_up_simple() -> None:
e1 = Employee(1, "Emma Ployee", "Worker", 10000, 50)
e2 = Leader(2, "Sue Perior", "Manager", 20000, 30, "Department")
e3 = Leader(3, "Bigg Boss", "CEO", 50000, 60, "Company")
e1.become_subordinate(e2)
e2.become_subordinate(e3)
new_e1 = e1.swap_up()
assert isinstance(new_e1, Leader)
new_e2 = new_e1.get_direct_subordinates()[0]
assert isinstance(new_e2, Employee)
assert new_e1.position == 'Manager'
assert new_e1.eid == 1
assert e3.get_direct_subordinates()[0] is new_e1