def test_update_bun(self):
burger = Burger()
burger.add_item(bun1, 1)
burger.update_qty(bun1, 2)
assert burger.num_buns == 2
assert burger.price == 22
assert len(burger) == 2
def test_update_patty(self):
burger = Burger()
burger.add_item(patty1, 1)
burger.update_qty(patty1, 2)
assert burger.num_patties == 2
assert burger.price == 20
assert len(burger) == 2
def test_update_invalid_others(self):
burger = Burger()
burger.add_item(other1, 1)
with pytest.raises(ValueError):
burger.update_qty(other2, 1)
assert burger.num_others == 1
assert len(burger) == 1
def test_update_other(self):
burger = Burger()
burger.add_item(other1, 1)
burger.update_qty(other1, 2)
assert burger.num_others == 2
assert burger.price == 24
assert len(burger) == 2
def test_update_other_out_of_stock(self):
burger = Burger()
burger.add_item(other1, 1)
with pytest.raises(InvalidQuantityException):
burger.update_qty(other1, 101)
assert burger.num_others == 1
assert len(burger) == 1
assert burger.price == 12
def test_update_one_of_two_other(self):
burger = Burger()
burger.add_item(other1, 1)
burger.add_item(other2, 1)
burger.update_qty(other2, 2)
assert burger.num_others == 3
assert burger.price == 56
assert len(burger) == 3
def test_update_invalid_patties(self):
burger = Burger()
burger.add_item(patty1, 1)
with pytest.raises(ValueError):
burger.update_qty(patty2, 1)
assert burger.num_patties == 1
assert len(burger) == 1
assert burger.price == 10
def test_update_one_of_two_patties(self):
burger = Burger()
burger.add_item(patty1, 1)
burger.add_item(patty2, 1)
burger.update_qty(patty2, 2)
assert burger.num_patties == 3
assert burger.price == 50
assert len(burger) == 3
def test_update_patty_zero(self):
burger = Burger()
burger.add_item(patty1, 1)
with pytest.raises(InvalidQuantityException):
burger.update_qty(patty1, 0)
assert burger.num_patties == 1
assert burger.price == 10
assert len(burger) == 1
def test_update_invalid_bun(self):
burger = Burger()
burger.add_item(bun1, 1)
with pytest.raises(ValueError):
burger.update_qty(bun2, 1)
assert burger.num_buns == 1
assert len(burger) == 1
assert burger.price == 11
def test_update_one_of_two_bun(self):
burger = Burger()
burger.add_item(bun1, 1)
burger.add_item(bun2, 1)
burger.update_qty(bun2, 2)
assert burger.num_buns == 3
assert burger.price == 53
assert len(burger) == 3
def test_update_bun_zero(self):
burger = Burger()
burger.add_item(bun1, 1)
with pytest.raises(InvalidQuantityException):
burger.update_qty(bun1, 0)
assert burger.num_buns == 1
assert burger.price == 11
assert len(burger) == 1
def test_update_one_of_two_other_exceeds_limit(self):
burger = Burger()
burger.add_item(other1, 1)
burger.add_item(other2, 1)
with pytest.raises(InvalidQuantityException):
burger.update_qty(other2, 5)
assert burger.num_others == 2
assert burger.price == 34
assert len(burger) == 2
def test_update_one_of_two_patties_out_of_range(self):
burger = Burger()
burger.add_item(patty1, 1)
burger.add_item(patty2, 1)
with pytest.raises(InvalidQuantityException):
burger.update_qty(patty2, 6)
assert burger.num_patties == 2
assert burger.price == 30
assert len(burger) == 2
def test_update_one_of_two_bun_out_of_range(self):
burger = Burger()
burger.add_item(bun1, 1)
burger.add_item(bun2, 1)
with pytest.raises(InvalidQuantityException):
burger.update_qty(bun2, 4)
assert burger.num_buns == 2
assert burger.price == 32
assert len(burger) == 2
def test_update_to_one_bun(self):
burger = Burger()
burger.add_item(bun1, 2)
with pytest.raises(ValueError):
burger.update_qty(bun1, 1)