def test_put_item_in_slot_adds_item_and_sets_slot_to_busy(self):
conveyor_belt: ConveyorBelt = ConveyorBeltFactory()
item = Item(name='A')
conveyor_belt.put_item_in_slot(slot_number=0, item=item)
assert conveyor_belt.check_item_at_slot(slot_number=0) == item
assert conveyor_belt.is_slot_busy(slot_number=0)
def test_confirm_operation_finished_changes_slot_state_to_free(self):
conveyor_belt: ConveyorBelt = ConveyorBeltFactory()
item = Item(name='A')
conveyor_belt.put_item_in_slot(slot_number=0, item=item)
assert conveyor_belt.is_slot_busy(slot_number=0)
conveyor_belt.confirm_operation_at_slot_finished(slot_number=0)
assert not conveyor_belt.is_slot_busy(slot_number=0)
def test_retrieve_item_from_slot(self):
conveyor_belt: ConveyorBelt = ConveyorBeltFactory()
item = Item(name='A')
conveyor_belt.enqueue(item)
assert conveyor_belt.retrieve_item_from_slot(slot_number=0) == item
assert conveyor_belt.is_slot_busy(slot_number=0)
assert conveyor_belt.check_item_at_slot(
slot_number=0).name == conveyor_belt.factory_config.empty_code
def test_it_can_be_instantiated(self):
conveyor_belt: ConveyorBelt = ConveyorBeltFactory()
assert conveyor_belt.slot_states == {
0: 'free',
1: 'free',
2: 'free',
}
assert conveyor_belt.size == 3
for item in conveyor_belt.items:
assert item.name == conveyor_belt.factory_config.empty_code
def conveyor_belt(self, factory_config):
return ConveyorBeltFactory(factory_config=factory_config)
def test_is_slot_free_returns_false(self):
conveyor_belt: ConveyorBelt = ConveyorBeltFactory()
conveyor_belt.put_item_in_slot(slot_number=0, item=Item(name='A'))
assert not conveyor_belt.is_slot_free(slot_number=0)
def test_is_slot_free_returns_true(self):
conveyor_belt: ConveyorBelt = ConveyorBeltFactory()
assert conveyor_belt.is_slot_free(slot_number=0)
def test_is_slot_empty_returns_false(self):
conveyor_belt: ConveyorBelt = ConveyorBeltFactory()
conveyor_belt.enqueue(Item(name='A'))
assert not conveyor_belt.is_slot_empty(0)
def test_is_slot_empty_returns_true(self):
conveyor_belt: ConveyorBelt = ConveyorBeltFactory()
assert conveyor_belt.is_slot_empty(0)
def test_is_slot_busy_returns_false(self):
conveyor_belt: ConveyorBelt = ConveyorBeltFactory()
assert not conveyor_belt.is_slot_busy(0)
def test_is_slot_busy_returns_true(self):
conveyor_belt: ConveyorBelt = ConveyorBeltFactory()
conveyor_belt.put_item_in_slot(slot_number=0, item=Item(name='A'))
assert conveyor_belt.is_slot_busy(0)
def test_check_item_at_slot_with_item_not_present(self):
conveyor_belt = ConveyorBeltFactory()
assert conveyor_belt.check_item_at_slot(
0).name == conveyor_belt.factory_config.empty_code
def test_check_item_at_slot_with_item_present(self):
conveyor_belt = ConveyorBeltFactory()
conveyor_belt.enqueue(1)
assert conveyor_belt.check_item_at_slot(0) == 1