def test_deal_sell():
p1 = Player(100)
r1 = RealState(50, 5)
r1.deal(p1)
assert r1.owner_is(p1)
assert p1.balance == 50
def test_owner_is():
p1 = Player(0)
p2 = Player(0)
r = RealState(50, 5, owner=p1)
assert r.owner_is(p1) == True
assert r.owner_is(p2) == False
def test_sell():
p = Player(100)
r = RealState(50, 5)
r.sell_to(p)
assert r.owner_is(p)
assert p.balance == 50