def test_get_first_in_line():
f = StringIO(CONFIG_FILE_100_03)
store4 = GroceryStore(f)
customer1 = Customer('b', [Item('a', 29)])
customer2 = Customer('c', [Item('a', 2)])
store4.enter_line(customer1)
store4.enter_line(customer2)
assert store4.get_first_in_line(0) == customer1
assert store4.complete_checkout(0)
assert store4.get_first_in_line(0) == customer2
assert not store4.complete_checkout(0)
assert store4.get_first_in_line(0) is None
def test_complete_checkout() -> None:
"""Test the complete_checkout function of the GroceryStore Class."""
gs = GroceryStore(StringIO(SHORT_FILE_CONTENTS))
c1 = Customer('A', [Item('bananas', 7)])
c2 = Customer('B', [Item('apple', 2)])
c3 = Customer('C', [Item('orange', 5)])
c4 = Customer('D', [Item('grapes', 10)])
gs.enter_line(c1)
gs.enter_line(c2)
gs.enter_line(c3)
gs.enter_line(c4)
assert gs.complete_checkout(0) == True
assert gs.complete_checkout(1) == False
assert gs.complete_checkout(2) == False
def test_complete_checkout_one() -> None:
""" Test whether customers left to checkout after checkout when
line has one customer."""
store = GroceryStore(GROCERY_STORE)
item_list = [Item('bananas', 6)]
belinda = Customer('Belinda', item_list)
store.enter_line(belinda)
assert not store.complete_checkout(0)
def test_complete_checkout_more() -> None:
""" Test whether customers left to checkout after checkout when
line is empty."""
store = GroceryStore(GROCERY_STORE_1_LINE_2_CAP)
item_list = [Item('bananas', 6)]
belinda = Customer('Belinda', item_list)
charlie = Customer('Charlie', item_list)
store.enter_line(belinda)
store.enter_line(charlie)
assert store.complete_checkout(0)
def do(self, store: GroceryStore) -> List[Event]:
"""
return an empty list if there is no customer in line
or return a CheckoutStarted event of this
line when there is customer behind
"""
lens = store.complete_checkout(self.line_number)
if lens == 0:
return []
else:
return [CheckoutStarted(self.timestamp, self.line_number)]
def test_complete_checkout_with_customer_behind() -> None:
"""check complete with customers behind"""
store1 = GroceryStore(StringIO(CONFIG_FILE4))
customer1 = Customer("bruce", [])
customer2 = Customer("tom", [])
customer3 = Customer("mary", [])
customer4 = Customer("jams", [])
customer5 = Customer("jerry", [])
assert store1.enter_line(customer1) == 0
assert store1.enter_line(customer2) == 1
assert store1.enter_line(customer3) == 0
assert store1.enter_line(customer4) == 1
assert store1.enter_line(customer5) == 0
assert store1.complete_checkout(0) == 2
assert store1.complete_checkout(1) == 1
def test_line_is_ready_and_close():
f = StringIO(CONFIG_FILE_100_03)
store4 = GroceryStore(f)
customer1 = Customer('b', [Item('a', 29)])
customer2 = Customer('c', [Item('a', 2)])
customer3 = Customer('d', [Item('a', 2)])
store4.enter_line(customer1)
assert store4.line_is_ready(0)
store4.enter_line(customer2)
store4.enter_line(customer3)
assert len(store4.close_line(0)) == 2
assert store4.line_is_ready(0)
assert store4.start_checkout(0) == 29
assert not store4.complete_checkout(0)
assert not store4.line_is_ready(0)
def test_start_and_complete_check_out():
f = StringIO(CONFIG_FILE_111_02)
store3 = GroceryStore(f)
lst = []
for i in range(EXPRESS_LIMIT + 3):
item = Item('pan', 2)
lst.append(item)
customer3 = Customer('a', lst)
customer4 = Customer('b', [Item('a', 2)])
customer5 = Customer('c', [Item('a', 20)])
customer6 = Customer('d', [Item('a', 2)])
customer9 = Customer('g', [Item('a', 2)])
lst10 = []
for i in range(EXPRESS_LIMIT + 2):
item = Item('pan', 2)
lst10.append(item)
customer10 = Customer('h', lst10)
store3.enter_line(customer4)
store3.enter_line(customer3)
store3.enter_line(customer5)
store3.enter_line(customer6)
store3.enter_line(customer10)
store3.enter_line(customer9)
assert store3.start_checkout(0) == 2
assert store3.complete_checkout(0)
assert store3.start_checkout(0) == 2
assert not store3.complete_checkout(0)
assert store3.start_checkout(1) == 20
assert store3.complete_checkout(1)
assert store3.start_checkout(1) == 2
assert not store3.complete_checkout(1)
assert store3.start_checkout(2) == 40
assert store3.complete_checkout(2)
assert store3.start_checkout(2) == 36
assert not store3.complete_checkout(2)
assert store3.start_checkout(0) == 0
assert store3.start_checkout(1) == 0
assert store3.start_checkout(2) == 0
def test_complete_checkout_empty() -> None:
""" Test whether customers left to checkout after checkout when
line is empty."""
store = GroceryStore(GROCERY_STORE)
assert not store.complete_checkout(0)
def test_complete_checkout_no_customer_behind() -> None:
"""check for the checkout method with no customer behind"""
store1 = GroceryStore(StringIO(CONFIG_FILE4))
customer1 = Customer("bruce", [])
assert store1.enter_line(customer1) == 0
assert store1.complete_checkout(0) == 0
