mirror of
https://github.com/donnemartin/interactive-coding-challenges.git
synced 2024-03-22 13:11:13 +08:00
45 lines
1.6 KiB
Python
45 lines
1.6 KiB
Python
from nose.tools import assert_equal
|
|
from nose.tools import assert_raises
|
|
from nose.tools import assert_true
|
|
|
|
|
|
class TestMaxProfit(object):
|
|
|
|
def test_max_profit(self):
|
|
stock_trader = StockTrader()
|
|
assert_raises(TypeError, stock_trader.find_max_profit, None, None)
|
|
assert_equal(stock_trader.find_max_profit(prices=[], k=0), [])
|
|
prices = [5, 4, 3, 2, 1]
|
|
k = 3
|
|
assert_equal(stock_trader.find_max_profit(prices, k), (0, []))
|
|
prices = [2, 5, 7, 1, 4, 3, 1, 3]
|
|
profit, transactions = stock_trader.find_max_profit(prices, k)
|
|
assert_equal(profit, 10)
|
|
assert_true(Transaction(Type.SELL,
|
|
day=7,
|
|
price=3) in transactions)
|
|
assert_true(Transaction(Type.BUY,
|
|
day=6,
|
|
price=1) in transactions)
|
|
assert_true(Transaction(Type.SELL,
|
|
day=4,
|
|
price=4) in transactions)
|
|
assert_true(Transaction(Type.BUY,
|
|
day=3,
|
|
price=1) in transactions)
|
|
assert_true(Transaction(Type.SELL,
|
|
day=2,
|
|
price=7) in transactions)
|
|
assert_true(Transaction(Type.BUY,
|
|
day=0,
|
|
price=2) in transactions)
|
|
print('Success: test_max_profit')
|
|
|
|
|
|
def main():
|
|
test = TestMaxProfit()
|
|
test.test_max_profit()
|
|
|
|
|
|
if __name__ == '__main__':
|
|
main() |