def test_base_model_supported_commands():
"""
Ensure that if a CashRegister has defined some supported commands,
the get_supported_commands() returns a list of commands.
"""
# create an instance ad override supported commands
register = CashRegister('Sarema X2')
register._supported_commands = [object()]
commands = register.get_supported_commands()
assert register._supported_commands == commands
def test_base_model_supported_commands():
"""
Ensure that if a CashRegister has defined some supported commands,
the get_supported_commands() returns a list of commands.
"""
# create an instance ad override supported commands
register = CashRegister('Sarema X2')
register._supported_commands = [object()]
commands = register.get_supported_commands()
assert register._supported_commands == commands
def test_base_model_supported_commands():
"""
Ensure that if a CashRegister has defined some supported commands,
the get_supported_commands() returns a new list that doesn't
change the original instance's list.
"""
# create an instance ad override supported commands
register = CashRegister('Sarema X2')
register._supported_commands = [object()]
commands = register.get_supported_commands()
# update supported commands list
commands.append(object())
# the instance list is not updated
assert register._supported_commands != commands
def test_base_model_supported_commands():
"""
Ensure that if a CashRegister has defined some supported commands,
the get_supported_commands() returns a new list that doesn't
change the original instance's list.
"""
# create an instance ad override supported commands
register = CashRegister('Sarema X2')
register._supported_commands = [object()]
commands = register.get_supported_commands()
# update supported commands list
commands.append(object())
# the instance list is not updated
assert register._supported_commands != commands