def test_register_add_existing_item_to_order():
register = Register('tmp/menu.txt', 'tmp/employees.txt',
'tmp/register_count.bin', 'tmp/')
register.login_employee("admin")
item = Item("Gum", 0.75, "002", category="Candy", shortcut=None)
order = {item: 1}
register.order = order
register._add_to_order(item)
assert register.order == {item: 2}
def test_register_add_new_item_to_order():
register = Register('tmp/menu.txt', 'tmp/employees.txt',
'tmp/register_count.bin', 'tmp/')
register.login_employee("admin")
items = [
Item("Chocolate bar", 1.0, "001", category="Candy", shortcut=None),
Item("Gum", 0.75, "002", category="Candy", shortcut=None)
]
order = {items[0]: 1}
register.order = order
register._add_to_order(items[1])
assert register.order == {items[0]: 1, items[1]: 1}
class TestRegister(object):
@classmethod
def setUpClass(cls):
cls.tempdir = tempfile.mkdtemp()
cls.menu_path = os.path.join(cls.tempdir, 'menu.txt')
cls.employees_path = os.path.join(cls.tempdir, 'employees.txt')
cls.count_path = os.path.join(cls.tempdir, 'register_count.bin')
with io.open(cls.menu_path, 'w') as f:
f.write(u'#Candy|1.00\n001|Chocolate bar\n002|Gum|0.75\n' +
u'#Beverage|0.50\n003|Hot chocolate|0.50|hc\n')
with io.open(cls.employees_path, 'w') as f:
f.write(u'Admin|2222|admin|2\nEmployee|1111|employee|1\n' +
u'Guest|0000|guest|0\n')
@classmethod
def tearDownClass(cls):
shutil.rmtree(cls.tempdir)
def setUp(self):
with io.open(self.count_path, 'wb') as f:
data = struct.pack('d', 11.57)
f.write(data)
self.register = Register(self.menu_path, self.employees_path,
self.count_path, self.tempdir)
def test_reads_menu(self):
menu = self.register.menu
correct_menu = [Item('Chocolate bar', 1.0, '001', 'Candy', None),
Item('Gum', 0.75, '002', 'Candy', None),
Item('Hot chocolate', 0.5, '003', 'Beverage', 'hc')]
assert_equal(set(menu), set(correct_menu))
def test_reads_employees_list(self):
employees = self.register.employees
correct_employees = [Employee('Admin', '2222', 'admin', 2),
Employee('Employee', '1111', 'employee', 1),
Employee('Guest', '0000', 'guest', 0)]
assert_equal(set(employees), set(correct_employees))
def test_reads_register_count(self):
assert_equal(self.register._register_count, 11.57)
def test_initial_employee_is_none(self):
assert_equal(self.register.employee, None)
def test_initial_order_is_empty(self):
assert_equal(self.register.order_dict, OrderedDict())
def test_login_per_barcode(self):
employee = Employee('Admin', '2222', 'admin', 2)
self.register.login_employee('2222')
assert_equal(self.register.employee, employee)
def test_login_per_code(self):
employee = Employee('Admin', '2222', 'admin', 2)
self.register.login_employee('admin')
assert_equal(self.register.employee, employee)
@raises(CredentialException)
def test_raises_exception_on_invalid_login(self):
self.register.login_employee('gum')
def test_logout_employee(self):
self.register.employee = self.register.employees[0]
self.register.logout_employee()
assert_equal(self.register.employee, None)
def test_employee_name_returns_employee_name(self):
self.register.login_employee('admin')
assert_equal(self.register.employee_name, 'Admin')
def test_employee_name_returns_none(self):
assert_equal(self.register.employee_name, 'None')
def test_add(self):
self.register.login_employee('admin')
self.register.add('001')
correct_added_item = Item('Chocolate bar', 1.0, '001', 'Candy', None)
correct_quantity = 1
correct_dict = OrderedDict([(correct_added_item, correct_quantity)])
assert_equal(self.register.order_dict, correct_dict)
def test_add_custom(self):
self.register.login_employee('admin')
self.register.add_custom('gum', 0.47)
correct_added_item = Item('gum', 0.47, 'custom_gum', 'Custom', None)
correct_quantity = 1
correct_dict = OrderedDict([(correct_added_item, correct_quantity)])
assert_equal(self.register.order_dict, correct_dict)
def test_remove(self):
self.register.login_employee('admin')
items = [Item('Chocolate bar', 1.0, '001', 'Candy', None),
Item('Gum', 0.75, '002', 'Candy', None)]
self.register.order_dict = OrderedDict([(items[0], 1), (items[1], 1)])
self.register.remove('001')
assert_equal(self.register.order_dict, OrderedDict([(items[1], 1)]))
def test_remove_custom(self):
self.register.login_employee('admin')
items = [Item('Chocolate bar', 1.0, '001', 'Candy', None),
Item('gum', 0.47, 'custom_gum', 'Custom', None)]
self.register.order_dict = OrderedDict([(items[0], 1), (items[1], 1)])
self.register.remove('custom_gum')
assert_equal(self.register.order_dict, OrderedDict([(items[0], 1)]))
def test_order(self):
self.register.login_employee('admin')
items = [Item('Chocolate bar', 1.0, '001', 'Candy', None),
Item('gum', 0.47, 'custom_gum', 'Custom', None)]
order = ((items[0], 1), (items[1], 1))
self.register.order_dict = OrderedDict(order)
assert_equal(self.register.order, order)
def test_clear_order(self):
self.register.login_employee('admin')
items = [Item('Chocolate bar', 1.0, '001', 'Candy', None),
Item('Gum', 0.75, '002', 'Candy', None)]
self.register.order_dict = OrderedDict([(items[0], 1), (items[1], 1)])
self.register.clear_order()
assert_equal(self.register.order_dict, OrderedDict())
def test_checkout_order(self):
self.register.login_employee('admin')
items = [Item('Chocolate bar', 1.0, '001', 'Candy', None),
Item('Gum', 0.75, '002', 'Candy', None)]
self.register._register_count = 1.5
self.register.order_dict = OrderedDict([(items[0], 1), (items[1], 1)])
self.register.checkout_order()
assert_equal(self.register._register_count, 3.25)
assert_equal(self.register.order_dict, OrderedDict())
with io.open(self.count_path, 'rb') as f:
(register_count, ) = struct.unpack('d', f.read(8))
assert_equal(register_count, 3.25)
def test_checkout_empty_order(self):
self.register.login_employee('admin')
self.register._register_count = 1.5
self.register.order_dict = OrderedDict()
self.register.checkout_order()
assert_equal(self.register._register_count, 1.5)
assert_equal(self.register.order_dict, OrderedDict())
with io.open(self.count_path, 'rb') as f:
register_count, = struct.unpack('d', f.read(8))
assert_equal(register_count, 1.5)
def test_order_to_string(self):
self.register.login_employee('admin')
items = [Item('Chocolate bar', 1.0, '001', 'Candy', None),
Item('Gum', 0.75, '002', 'Candy', None)]
self.register.order_dict = OrderedDict([(items[0], 1), (items[1], 1)])
representation = self.register.order_to_string().split('\n')
correct_representation = ['Chocolate bar x 1', 'Gum x 1']
assert_equal(set(representation), set(correct_representation))
def test_order_total_non_empty_order(self):
self.register.login_employee('admin')
items = [Item('Chocolate bar', 1.0, '001', 'Candy', None),
Item('gum', 0.47, 'custom_gum', 'Custom', None)]
self.register.order_dict = OrderedDict([(items[0], 1), (items[1], 1)])
assert_equal(self.register.order_total, 1.47)
def test_order_total_empty_order(self):
self.register.login_employee('admin')
self.register.order_dict = OrderedDict()
assert_equal(self.register.order_total, 0.0)
def test_count(self):
self.register.login_employee('admin')
self.register._register_count = 11.57
assert_equal(self.register.register_count, 11.57)
@raises(ValueError)
def test_count_register_rejects_negative_counts(self):
self.register.login_employee('admin')
self.register.count_register(-1)
def test_adjust(self):
self.register.login_employee('admin')
self.register._register_count = 2.5
self.register.adjust(2.5)
assert_equal(self.register._register_count, 5.0)
with io.open(self.count_path, 'rb') as f:
register_count, = struct.unpack('d', f.read(8))
assert_equal(register_count, 5.0)
def test_find_by_barcode(self):
self.register.login_employee('admin')
item = self.register._find_in_menu('001')
assert_equal(item, Item('Chocolate bar', 1.0, '001', 'Candy', None))
def test_find_by_shortcut(self):
self.register.login_employee('admin')
item = self.register._find_in_menu('hc')
assert_equal(item, Item('Hot chocolate', 0.5, '003', 'Beverage', 'hc'))
@raises(ValueError)
def test_find_raises_exception_on_nonexistent_item(self):
self.register.login_employee('admin')
self.register._find_in_menu('nothing')
def test_verify_credential_allows_right_employee(self):
self.register._verify_credentials(
Employee('E', '1111', 'employee', 1), 0)
self.register._verify_credentials(
Employee('E', '1111', 'employee', 1), 1)
@raises(CredentialException)
def test_verify_credential_raises_exception_on_wrong_employee(self):
self.register._verify_credentials(
Employee('E', '1111', 'employee', 1), 2)
@raises(CredentialException)
def test_verify_credential_raises_exception_on_none(self):
self.register._verify_credentials(None, 1)
def test_verify_credential_can_allow_none(self):
self.register._verify_credentials(None, None)
def test_add_existing_item_to_order(self):
self.register.login_employee('admin')
item = Item('Gum', 0.75, '002', 'Candy', None)
self.register.order_dict = OrderedDict([(item, 1)])
self.register._add_to_order(item)
assert_equal(self.register.order_dict, OrderedDict([(item, 2)]))
def test_add_new_item_to_order(self):
self.register.login_employee('admin')
items = [Item('Chocolate bar', 1.0, '001', 'Candy', None),
Item('Gum', 0.75, '002', 'Candy', None)]
self.register.order_dict = OrderedDict([(items[0], 1)])
self.register._add_to_order(items[1])
assert_equal(self.register.order_dict,
OrderedDict([(items[0], 1), (items[1], 1)]))
def test_remove_duplicate_item_from_order(self):
self.register.login_employee('admin')
item = Item('Gum', 0.75, '002', 'Candy', None)
self.register.order_dict = OrderedDict([(item, 2)])
self.register._remove_from_order(item)
assert_equal(self.register.order_dict, OrderedDict([(item, 1)]))
def test_remove_unique_item_from_order(self):
self.register.login_employee('admin')
item = Item('Gum', 0.75, '002', 'Candy', None)
self.register.order_dict = OrderedDict([(item, 1)])
self.register._remove_from_order(item)
assert_equal(self.register.order_dict, OrderedDict())
@raises(ItemNotFoundException)
def test_remove_raises_exception_if_item_not_in_order(self):
self.register.login_employee('admin')
item = Item('Gum', 0.75, '002', 'Candy', None)
self.register.order_dict = OrderedDict()
self.register._remove_from_order(item)
@raises(ValueError)
def test_substract_raises_exception_if_amount_too_large(self):
self.register.login_employee('admin')
self.register._register_count = 1
self.register._substract_from_register_count(2)
def test_update_register_count(self):
self.register.login_employee('admin')
self.register._register_count = 2.0
self.register._update_register_count()
with io.open(self.count_path, 'rb') as f:
register_count, = struct.unpack('d', f.read(8))
assert_equal(register_count, 2.0)
