def test__order_aggregator__order_item_is_added_to_list_after_calling_add_item(
):
"""Test."""
oa = OrderAggregator()
item = OrderItem("customer", "item", 11, 1)
oa.add_item(item)
assert len(oa.order_items) == 1
assert oa.order_items[0] is item
def test__order_aggregator__all_order_items_are_in_the_list_if_add_item_is_called_multiple_times(
):
"""Test."""
oa = OrderAggregator()
item1 = OrderItem("customer", "item", 11, 1)
item2 = OrderItem("customer", "item2", 20, 4)
oa.add_item(item1)
oa.add_item(item2)
assert len(oa.order_items) == 2
assert oa.order_items[0] is item1
assert oa.order_items[1] is item2
def test__order_aggregator__aggregates_order_with_exact_capacity_and_quantity_for_customer(
):
"""Test."""
oa = OrderAggregator()
item1 = OrderItem("customer", "item1", 1, 1)
item2 = OrderItem("customer", "item2", 2, 2)
oa.add_item(item1)
oa.add_item(item2)
order = oa.aggregate_order("customer", 3, 5)
assert len(order.order_items) == 2
assert order.order_items[0] is item1
assert order.order_items[1] is item2
def test__order_aggregator__ignores_next_item_if_max_items_volume_is_exceeded(
):
"""Test."""
oa = OrderAggregator()
item1 = OrderItem("customer", "item1", 1, 1)
item2 = OrderItem("customer", "item2", 2, 2)
oa.add_item(item1)
oa.add_item(item2)
order = oa.aggregate_order("customer", 3, 2)
assert len(order.order_items) == 1
assert order.order_items[0] is item1
assert len(oa.order_items) == 1
assert oa.order_items[0] is item2
def test__order_aggregator__ignores_other_customers_items_when_aggregating_order(
):
"""Test."""
oa = OrderAggregator()
c1_item = OrderItem("customer1", "item1", 1, 1)
c2_item = OrderItem("customer2", "item2", 2, 2)
oa.add_item(c1_item)
oa.add_item(c2_item)
order = oa.aggregate_order("customer1", 3, 999999999999)
assert len(order.order_items) == 1
assert order.order_items[0] is c1_item
assert len(oa.order_items) == 1
assert oa.order_items[0] is c2_item
def test__order_aggregator__order_item_is_removed_after_it_is_aggregated_to_order(
):
"""Test."""
oa = OrderAggregator()
item1 = OrderItem("customer", "item1", 1, 1)
item2 = OrderItem("customer", "item2", 2, 2)
oa.add_item(item1)
oa.add_item(item2)
oa.aggregate_order("customer", 3, 5)
assert len(oa.order_items) == 0
def test__components_integration__create_containers_from_order_items__happy_case(
):
"""Test."""
orders_items = (
OrderItem("Apple", "iPhone 11", 103, 10),
OrderItem("Apple", "iPhone X", 41, 9),
OrderItem("Tallink", "Laev", 1, 100000), # too big
OrderItem("Nike", "Sneakers", 244, 10),
OrderItem("Nike", "Other ", 145, 11),
OrderItem("Paper", "Paper", 1030, 5),
OrderItem("Apple", "Apple TV", 12, 5),
OrderItem("???", "___", 235, 10),
)
oa = OrderAggregator()
for oi in orders_items:
oa.add_item(oi)
apple_orders_quantity = 103 + 41
apple_orders_volume = 103 * 10 + 41 * 9
apple_order = oa.aggregate_order("Apple", apple_orders_quantity,
apple_orders_volume)
apple_order.destination = "Somewhere"
nike_order_quantity_with_buffer = 244 + 145 + 10
nike_order_volume_with_buffer = 244 * 10 + 145 * 11 + 99
nike_order = oa.aggregate_order("Nike", nike_order_quantity_with_buffer,
nike_order_volume_with_buffer)
nike_order.destination = "Neverland"
volume = 244 * 10 + 145 * 11
ca = ContainerAggregator(volume)
containers = ca.prepare_containers((nike_order, apple_order))
assert apple_order.total_quantity == apple_orders_quantity
assert apple_order.total_volume == apple_orders_volume
assert apple_order.order_items == [orders_items[0], orders_items[1]]
assert nike_order.total_quantity == 244 + 145
assert nike_order.total_volume == 244 * 10 + 145 * 11
assert nike_order.order_items == [orders_items[3], orders_items[4]]
assert len(containers) == 2
somewhere_containers = containers['Somewhere']
assert len(somewhere_containers) == 1
assert somewhere_containers[0].volume == volume
assert somewhere_containers[0].orders == [apple_order]
neverland_containers = containers['Neverland']
assert len(neverland_containers) == 1
assert neverland_containers[0].volume == volume
assert neverland_containers[0].orders == [nike_order]
def test__order_aggregator__order_items_list_is_empty_after_creation():
"""Test."""
oa = OrderAggregator()
assert len(oa.order_items) == 0