def setUp(self): from banksys import DummyBank self.max_money = 1000 self.bank = DummyBank() self.bank._starting_amount = self.max_money # TODO don't fiddle with other's privates self.auction = Auction(bank=self.bank) self.auction.register_reserved_money_checker()
class AuctionsysTester(unittest.TestCase):
def setUp(self):
from banksys import DummyBank
self.max_money = 1000
self.bank = DummyBank()
self.bank._starting_amount = self.max_money # TODO don't fiddle with other's privates
self.auction = Auction(bank=self.bank)
self.auction.register_reserved_money_checker()
def tearDown(self):
self.auction.deregister_reserved_money_checker()
def test_single_bid(self):
self.auction.place_bid("alice", "pepsiman", 1)
winner = self.auction.get_winner()
self.assertEqual(winner["item"], "pepsiman")
self.assertEqual(winner["money_owed"], {"alice": 1})
self.assertEqual(winner["total_bid"], 1)
self.assertEqual(winner["total_charge"], 1)
def test_bid_registering(self):
self.auction.place_bid("alice", "pepsiman", 1)
bids = self.auction.get_all_bids()
self.assertEqual(bids, {"pepsiman": {"alice": 1}})
bids = self.auction.get_bids_for_item("pepsiman")
self.assertEqual(bids, {"alice": 1})
bids = self.auction.get_bids_for_user("alice")
self.assertEqual(bids, {"pepsiman": 1})
def test_more_bids_registering(self):
self.auction.place_bid("alice", "pepsiman", 5)
self.auction.place_bid("bob", "pepsiman", 10)
self.auction.place_bid("charlie", "katamari", 42)
bids = self.auction.get_all_bids()
self.assertEqual(bids, {
"pepsiman": {"alice": 5, "bob": 10},
"katamari": {"charlie": 42},
})
def test_two_bids(self):
self.auction.place_bid("alice", "pepsiman", 1)
self.auction.place_bid("bob", "katamari", 10)
winner = self.auction.get_winner()
self.assertEqual(winner["item"], "katamari")
self.assertEqual(winner["money_owed"], {"bob": 2})
self.assertEqual(winner["total_bid"], 10)
self.assertEqual(winner["total_charge"], 2)
def test_collaboration(self):
self.auction.place_bid("alice", "pepsiman", 1)
self.auction.place_bid("bob", "pepsiman", 1)
self.auction.place_bid("charlie", "katamari", 1)
# pepsiman should win with 2 money
winner = self.auction.get_winner()
self.assertEqual(winner["item"], "pepsiman")
self.assertEqual(winner["money_owed"], {"alice": 1, "bob": 1})
self.assertEqual(winner["total_bid"], 2)
self.assertEqual(winner["total_charge"], 2)
def test_one_overpaid(self):
self.auction.place_bid("alice", "pepsiman", 10)
# pepsiman should win with 1 money
winner = self.auction.get_winner()
self.assertEqual(winner["item"], "pepsiman")
self.assertEqual(winner["money_owed"], {"alice": 1})
self.assertEqual(winner["total_bid"], 10)
self.assertEqual(winner["total_charge"], 1)
def test_multi_overpaid(self):
self.auction.place_bid("alice", "pepsiman", 10)
self.auction.place_bid("bob", "katamari", 5)
# pepsiman should win with 6 money
winner = self.auction.get_winner()
self.assertEqual(winner["item"], "pepsiman")
self.assertEqual(winner["money_owed"], {"alice": 6})
self.assertEqual(winner["total_bid"], 10)
self.assertEqual(winner["total_charge"], 6)
def test_favor_first_item(self):
self.auction.place_bid("alice", "pepsiman", 3)
self.auction.place_bid("bob", "katamari", 3)
# pepsiman should win with 3 money
winner = self.auction.get_winner()
self.assertEqual(winner["item"], "pepsiman")
self.assertEqual(winner["money_owed"], {"alice": 3})
self.assertEqual(winner["total_bid"], 3)
self.assertEqual(winner["total_charge"], 3)
def test_favor_first_bidder(self):
self.auction.place_bid("alice", "pepsiman", 1)
self.auction.place_bid("bob", "pepsiman", 1)
# pepsiman should win with 1 money, and bob should pay
winner = self.auction.get_winner()
self.assertEqual(winner["item"], "pepsiman")
self.assertEqual(winner["money_owed"], {"alice": 0, "bob": 1})
self.assertEqual(winner["total_bid"], 2)
self.assertEqual(winner["total_charge"], 1)
def test_distribute_cost(self):
self.auction.place_bid("alice", "pepsiman", 5)
self.auction.place_bid("bob", "pepsiman", 10)
self.auction.place_bid("charlie", "katamari", 5)
# pepsiman should win with 6 money
# alice should pay 2, and bob 4
winner = self.auction.get_winner()
self.assertEqual(winner["item"], "pepsiman")
self.assertEqual(winner["money_owed"], {"alice": 2, "bob": 4})
self.assertEqual(winner["total_bid"], 15)
self.assertEqual(winner["total_charge"], 6)
def test_odd_distribution(self):
self.auction.place_bid("alice", "pepsiman", 2)
self.auction.place_bid("bob", "pepsiman", 2)
self.auction.place_bid("charlie", "pepsiman", 2)
self.auction.place_bid("deku", "pepsiman", 2)
self.auction.place_bid("ennopp", "katamari", 5)
# pepsiman should win with 6 money
# alice and bob should pay 1
# charlie and deku should pay 2
winner = self.auction.get_winner()
self.assertEqual(winner["item"], "pepsiman")
self.assertEqual(winner["money_owed"], {
"alice": 1,
"bob": 1,
"charlie": 2,
"deku": 2,
})
self.assertEqual(winner["total_bid"], 8)
self.assertEqual(winner["total_charge"], 6)
def test_not_enough_money(self):
self.assertRaises(
InsufficientMoneyError,
self.auction.place_bid,
"alice",
"pepsiman",
self.max_money + 1,
)
def test_enough_money_for_replace(self):
self.auction.place_bid("alice", "pepsiman", self.max_money-1)
self.auction.replace_bid("alice", "pepsiman", self.max_money)
def test_enough_money_for_increase(self):
self.auction.place_bid("alice", "pepsiman", self.max_money-1)
self.auction.increase_bid("alice", "pepsiman", 1)
self.assertRaises(
InsufficientMoneyError,
self.auction.increase_bid,
"alice",
"pepsiman",
1,
)
def test_increase_bet(self):
self.auction.place_bid("alice", "pepsiman", 1)
self.auction.increase_bid("alice", "pepsiman", 1)
bids = self.auction.get_all_bids()
self.assertEqual(bids, {"pepsiman": {"alice": 2}})
def test_replace_bet(self):
self.auction.place_bid("alice", "pepsiman", 2)
self.auction.replace_bid("alice", "pepsiman", 1)
bids = self.auction.get_all_bids()
self.assertEqual(bids, {"pepsiman": {"alice": 1}})
def test_decrease_to_tie(self):
self.auction.place_bid("alice", "pepsiman", 2)
self.auction.place_bid("bob", "katamari", 1)
self.auction.replace_bid("alice", "pepsiman", 1)
# katamari should win this!
winner = self.auction.get_winner()
self.assertEqual(winner["item"], "katamari")
def test_increase_to_tie(self):
self.auction.place_bid("alice", "pepsiman", 1)
self.auction.place_bid("bob", "katamari", 2)
self.auction.increase_bid("alice", "pepsiman", 1)
# katamari should win this!
winner = self.auction.get_winner()
self.assertEqual(winner["item"], "katamari")
def test_overtake(self):
self.auction.place_bid("alice", "pepsiman", 1)
self.auction.place_bid("bob", "katamari", 2)
self.auction.increase_bid("alice", "pepsiman", 2)
# pepsiman should win this!
winner = self.auction.get_winner()
self.assertEqual(winner["item"], "pepsiman")
def test_no_winner(self):
winner = self.auction.get_winner()
self.assertEqual(winner, None)
def test_remove(self):
self.auction.place_bid("alice", "pepsiman", 1)
self.auction.place_bid("bob", "katamari", 1)
removed = self.auction.remove_bid("alice", "pepsiman")
self.assertTrue(removed)
bids = self.auction.get_all_bids()
self.assertEqual(bids, {"katamari": {"bob": 1}})
def test_remove_from_empty_auction(self):
bids = self.auction.get_all_bids()
self.assertEqual(bids, {})
#empty remove should do nothing
removed = self.auction.remove_bid("alice", "pepsiman")
self.assertFalse(removed)
bids = self.auction.get_all_bids()
self.assertEqual(bids, {})
#removing with an existing user should also do nothing
self.auction.place_bid("alice", "pepsiman", 1)
removed = self.auction.remove_bid("alice", "katamari")
self.assertFalse(removed)
#the old bid should still be around
bids = self.auction.get_all_bids()
self.assertEqual(bids["pepsiman"], {"alice": 1})
#removing all bids means no bids exist
removed = self.auction.remove_bid("alice", "pepsiman")
self.assertTrue(removed)
bids = self.auction.get_all_bids()
self.assertEqual(bids, {})
def test_clear(self):
self.auction.place_bid("alice", "pepsiman", 1)
self.auction.place_bid("bob", "katamari", 1)
self.auction.clear()
bids = self.auction.get_all_bids()
self.assertEqual(bids, {})
winner = self.auction.get_winner()
self.assertEqual(winner, None)
def test_bid_twice(self):
self.auction.place_bid("alice", "pepsiman", 1)
self.assertRaises(
AlreadyBidError,
self.auction.place_bid,
"alice",
"pepsiman",
1,
)
def test_replace_nonexistent(self):
self.assertRaises(
NoExistingBidError,
self.auction.replace_bid,
"alice",
"pepsiman",
1,
)
def test_increase_nonexistent(self):
self.assertRaises(
NoExistingBidError,
self.auction.increase_bid,
"alice",
"pepsiman",
1,
)
def test_manual_replace(self):
self.auction.place_bid("alice", "pepsiman", 1)
self.auction.remove_bid("alice", "pepsiman")
self.auction.place_bid("alice", "pepsiman", 1)
# no exception
def test_get_all_bids_ordered(self):
self.auction.place_bid("alice", "pepsiman", 1)
self.auction.place_bid("bob", "katamari", 2)
self.auction.place_bid("charlie", "catz", 2)
bids = self.auction.get_all_bids_ordered()
self.assertEqual(bids, [
("katamari", {"bob": 2}),
("catz", {"charlie": 2}),
("pepsiman", {"alice": 1}),
])
def test_favor_earlier_after_replace(self):
self.auction.place_bid("alice", "pepsiman", 3)
self.auction.place_bid("bob", "pepsiman", 2)
self.auction.replace_bid("alice", "pepsiman", 2)
self.auction.place_bid("charlie", "katamari", 2)
# alice decreased to 2, so her bet is "newer".
# should favor bob, so bob should pay 1 and alice 2
money_owed = self.auction.get_winner()["money_owed"]
self.assertEqual(money_owed, {
"alice": 2,
"bob": 1,
})
