def test_buy_one_stock(self):
p = Portfolio()
p.buy("IBM", 100, 176.48)
self.assertCostEqual(p, 17648.0)
def test_bad_input():
p = Portfolio()
with pytest.raises(TypeError):
p.buy("IBM")
def test_buy_two_stocks():
p = Portfolio()
p.buy("IBM", 100, 176.48)
p.buy("HPQ", 100, 36.15)
assert p.cost() == 21263.0
def test_buy_one_stock():
p = Portfolio()
p.buy("IBM", 100, 176.48)
assert p.cost() == 17648.0
def test_bad_input(self):
p = Portfolio()
with self.assertRaises(TypeError):
p.buy("IBM")
def test_buy_two_stocks(self):
p = Portfolio()
p.buy("IBM", 100, 176.48)
p.buy("HPQ", 100, 36.15)
self.assertCostEqual(p, 21263.0)
