def test_raises_out_of_stock_exception_if_cannot_allocate():
batch = Batch('batch1', 'SMALL-FORK', 10, eta=today)
product = Product(sku="SMALL-FORK", batches=[batch])
product.allocate(OrderLine('order1', 'SMALL-FORK', 10))
with pytest.raises(OutOfStock, match='SMALL-FORK'):
product.allocate(OrderLine('order2', 'SMALL-FORK', 1))
def test_can_only_allocate_with_same_sku() -> None:
batch = BatchOrder("bref-01", "CACTO SECO-P11", qty=19, eta=None)
line = OrderLine("oline-03", "CACTO GRANDE", qty=2)
assert batch.can_allocate(line) is False
goat_line = OrderLine("oline-03", "CACTO SECO-P11", qty=2)
assert batch.can_allocate(goat_line)
def test_records_out_of_stock_event_if_cannot_allocate():
batch = Batch('batch1', 'SMALL-FORK', 10, eta=today)
product = Product(sku="SMALL-FORK", batches=[batch])
product.allocate(OrderLine('order1', 'SMALL-FORK', 10))
allocation = product.allocate(OrderLine('order2', 'SMALL-FORK', 1))
assert product.events[-1] == events.OutOfStock(sku="SMALL-FORK")
assert allocation is None
def test_records_out_of_stock_event_if_cannot_allocate():
sku = "KALANCHOE-EVENTO"
batch = BatchOrder("b1", sku, 15, eta=TOMORROW)
product = Product(sku, batches=[batch])
product.allocate(OrderLine("o1", sku, 10))
b2 = product.allocate(OrderLine("o2", sku, 20))
assert product.latest_event == events.OutOfStock(sku=sku)
assert b2 is None
def test_raises_out_of_stock_exception_if_cannot_allocate():
batch = Batch("batch-001", "SMALL-TABLE", qty=5, eta=today)
line1 = OrderLine("order-1", "SMALL-TABLE", 5)
line2 = OrderLine("order-2", "SMALL-TABLE", 5)
product = Product(sku="SMALL-TABLE", batches=[batch])
product.allocate(line1)
allocation = product.allocate(line2)
assert product.events[-1] == OutOfStock(sku="SMALL-TABLE")
assert allocation is None
def test_returns_allocated_batch_ref():
in_stock_batch = Batch("in-stock-batch-ref", "HIGHBROW-POSTER", 100, eta=None)
shipment_batch = Batch("shipment-batch-ref", "HIGHBROW-POSTER", 100, eta=tomorrow)
line = OrderLine("oref", "HIGHBROW-POSTER", 10)
product = Product(sku="HIGHBROW-POSTER", batches=[in_stock_batch, shipment_batch])
allocation = product.allocate(line)
assert allocation == in_stock_batch.reference
def test_increments_version_number():
line = OrderLine('oref', "SCANDI-PEN", 10)
product = Product(sku="SCANDI-PEN",
batches=[Batch('b1', "SCANDI-PEN", 100, eta=None)])
product.version_number = 7
product.allocate(line)
assert product.version_number == 8
def test_prefers_warehouse_batches_to_shipments():
batch_in_warehouse = Batch("batch-001", "DESK-LAMP", 100, None)
batch_tomorrow = Batch("batch-002", "DESK-LAMP", 100, tomorrow)
line = OrderLine("oref", "DESK-LAMP", 10)
batches = [batch_in_warehouse, batch_tomorrow]
selected_batch_ref = allocate(line, batches)
assert selected_batch_ref == batch_in_warehouse.reference and batch_in_warehouse.available_quantity == 90
def test_allocating_to_a_batch_reduces_the_available_quantity():
batch = Batch("batch-001", "SMALL-TABLE", qty=20, eta=date.today())
line = OrderLine('order-ref', "SMALL-TABLE", 2)
batch.allocate(line)
assert batch.available_quantity == 18
def test_returns_allocated_ref():
in_stock_batch = Batch("in-stock-batch", "RETRO-CLOCK", 100, eta=None)
shipment_batch = Batch("shipment-batch", "RETRO-CLOCK", 100, eta=tomrrow)
line = OrderLine("oref", "RETRO-CLOCK", 10)
allocations = allocate(line, [in_stock_batch, shipment_batch])
assert allocations == in_stock_batch.reference
def allocate(cmd: commands.Allocate, uow: unit_of_work.AbstractUnitOfWork):
line = OrderLine(cmd.orderid, cmd.sku, cmd.qty)
with uow:
product = uow.products.get(sku=line.sku)
if product is None:
raise InvalidSku(f"Invalid sku {line.sku}")
product.allocate(line)
uow.commit()
def test_prefers_earlier_batches():
earliest = Batch("speedy-batch", "MINIMALIST-SPOON", 100, eta=today)
medium = Batch("normal-batch", "MINIMALIST-SPOON", 100, eta=tomorrow)
latest = Batch("slow-batch", "MINIMALIST-SPOON", 100, eta=later)
line = OrderLine("order1", "MINIMALIST-SPOON", 10)
selected_batch_ref = allocate(line, [medium, earliest, latest])
assert selected_batch_ref == earliest.reference and earliest.available_quantity == 90
def test_outputs_allocated_event():
batch = Batch("batchref", "RETRO-LAMPSHADE", 100, eta=None)
line = OrderLine("oref", "RETRO-LAMPSHADE", 10)
product = Product(sku="RETRO-LAMPSHADE", batches=[batch])
product.allocate(line)
expected = events.Allocated(
orderid="oref", sku="RETRO-LAMPSHADE", qty=10, batchref=batch.reference
)
assert product.events[-1] == expected
def test_returns_allocated_batch_reference():
in_stock_batch = Batch("batch-001", "BIG-SOFA", qty=20, eta=None)
shipment_batch = Batch("batch-002", "BIG-SOFA", qty=20, eta=today)
product = Product(sku="BIG-SOFA", batches=[in_stock_batch, shipment_batch])
line = OrderLine("order-123", "BIG-SOFA", 5)
allocation = product.allocate(line)
assert allocation == in_stock_batch.reference
def test_prefers_current_stock_batches_to_shipments():
in_stock_batch = Batch("in-stock-batch", "RETRO-CLOCK", 100, eta=None)
shipment_batch = Batch("shipment-batch", "RETRO-CLOCK", 100, eta=tomorrow)
line = OrderLine("oref", "RETRO-CLOCK", 10)
allocate(line, [in_stock_batch, shipment_batch])
assert in_stock_batch.available_quantity == 90
assert shipment_batch.available_quantity == 100
def test_prefers_warehouse_batches_to_shipments():
in_stock_batch = Batch("batch-001", "BIG-SOFA", qty=20, eta=None)
shipment_batch = Batch("batch-002", "BIG-SOFA", qty=20, eta=today)
product = Product(sku="BIG-SOFA", batches=[in_stock_batch, shipment_batch])
line = OrderLine("order-123", "BIG-SOFA", 5)
product.allocate(line)
assert in_stock_batch.available_quantity == 15
assert shipment_batch.available_quantity == 20
def test_allocation_emmits_events():
sku = "KALANCHOE-EVENTO"
batch = BatchOrder("b1", sku, 100, eta=TOMORROW)
product = Product(sku, batches=[batch])
line = OrderLine("o1", sku, qty=85)
product.add_batch(batch)
product.allocate(line)
assert type(product.latest_event) == events.Allocated
def test_prefers_warehouse_batches_to_shipments():
in_stock_batch = Batch("in-stock-batch", "RETRO-CLOCK", 100, eta=None)
shipment_batch = Batch("shipment-batch", "RETRO-CLOCK", 100, eta=tomorrow)
product = Product(sku="RETRO-CLOCK", batches=[in_stock_batch, shipment_batch])
line = OrderLine("oref", "RETRO-CLOCK", 10)
product.allocate(line)
assert in_stock_batch.available_quantity == 90
assert shipment_batch.available_quantity == 100
def allocate(orderid: str, sku: str, qty: int,
uow: unit_of_work.AbstractUnitOfWork) -> str:
line = OrderLine(orderid, sku, qty)
with uow:
product = uow.products.get(sku=line.sku)
if product is None:
raise InvalidSku(f'Invalid sku {line.sku}')
batchref = product.allocate(line)
uow.commit()
return batchref
def test_prefers_current_stock_batches_to_shipments() -> None:
sku = "KALANCHOE-P11"
batch_in_stock = BatchOrder("in-stock-ref", sku, 100, eta=None)
batch_shipment = BatchOrder("shipment-ref", sku, 100, eta=TOMORROW)
line = OrderLine("o-ref", sku, 10)
product = Product(sku, [batch_in_stock, batch_shipment])
product.allocate(line)
assert batch_in_stock.available_quantity == 90
assert batch_shipment.available_quantity == 100
def test_prefers_earlier_batches():
earliest = Batch("speedy-batch", "MINIMALIST-SPOON", 100, eta=today)
medium = Batch("speedy-batch", "MINIMALIST-SPOON", 100, eta=tomrrow)
latest = Batch("speedy-batch", "MINIMALIST-SPOON", 100, eta=later)
line = OrderLine("oref", "MINIMALIST-SPOON", 10)
allocate(line, [earliest, medium, latest])
assert earliest.available_quantity == 90
assert medium.available_quantity == 100
assert latest.available_quantity == 100
def test_version_number_increments() -> None:
sku = "KALANCHOE-P11"
batch_today = BatchOrder("shipment-ref02", sku, 100, eta=date.today())
line = OrderLine("o-ref", sku, 10)
product = Product(sku, [batch_today])
assert product.version_number == 0
product.allocate(line)
assert product.version_number == 1
product.deallocate()
assert product.version_number == 2
def test_prefers_earlier_batches():
tomorrows_batch = Batch("batch-001", "MINI-SPOON", qty=20, eta=tomorrow)
upcoming_batch = Batch("batch-001", "MINI-SPOON", qty=20, eta=later)
product = Product(sku="MINI-SPOON",
batches=[tomorrows_batch, upcoming_batch])
line = OrderLine("order-123", "MINI-SPOON", 5)
allocation = product.allocate(line)
assert allocation == tomorrows_batch.reference
assert tomorrows_batch.available_quantity == 15
assert upcoming_batch.available_quantity == 20
def test_prefers_earlier_batches():
earliest = Batch("speedy-batch", "MINIMALIST-SPOON", 100, eta=today)
medium = Batch("normal-batch", "MINIMALIST-SPOON", 100, eta=tomorrow)
latest = Batch("slow-batch", "MINIMALIST-SPOON", 100, eta=later)
product = Product(sku="MINIMALIST-SPOON", batches=[medium, earliest, latest])
line = OrderLine("order1", "MINIMALIST-SPOON", 10)
product.allocate(line)
assert earliest.available_quantity == 90
assert medium.available_quantity == 100
assert latest.available_quantity == 100
def test_returns_allocated_batch_ref():
in_stock_batch = Batch('in-stock-batch', 'HIGHBROW-POSTER', 100, eta=None)
shipment_batch = Batch('shipment-batch',
'HIGHBROW-POSTER',
100,
eta=tomorrow)
product = Product(sku='HIGHBROW-POSTER',
batches=[in_stock_batch, shipment_batch])
line = OrderLine('oref', 'HIGHBROW-POSTER', 10)
allocation = product.allocate(line)
assert allocation == in_stock_batch.reference
def allocate(
orderid: str, sku: str, qty: int,
uow: unit_of_work.AbstractUnitOfWork
) -> str:
line = OrderLine(orderid, sku, qty)
with uow:
batches = uow.batches.list()
if not is_valid_sku(line.sku, batches):
raise InvalidSku(f'Invalid sku {line.sku}')
batchref = model.allocate(line, batches)
uow.commit()
return batchref
def test_prefer_earlier_batches() -> None:
sku = "KALANCHOE-P11"
batch_today = BatchOrder("shipment-ref02", sku, 100, eta=date.today())
batch_yesterday = BatchOrder("shipment-ref03", sku, 100, eta=YESTERDAY)
batch_tomorrow = BatchOrder("shipment-ref04", sku, 100, eta=TOMORROW)
line = OrderLine("o-ref", sku, 10)
product = Product(sku, [batch_today, batch_yesterday, batch_tomorrow])
product.allocate(line)
assert batch_yesterday.available_quantity == 90
assert batch_today.available_quantity == 100
assert batch_tomorrow.available_quantity == 100
def make_batch_and_line(sku, batch_qty, line_qty):
return (Batch("batch-001", sku, batch_qty,
eta=date.today()), OrderLine("order-123", sku, line_qty))
def test_outputs_allocated_event():
batch = Batch("batchref", "RETRO-LAMPSHADE", 100, eta=None)
line = OrderLine("oref", "RETRO-LAMPSHADE", 10)
product = Product(sku="RETRO-LAMPSHADE", batches=[batch])
product.allocate(line)
expected = events.Allocated(
orderid="oref", sku="RETRO-LAMPSHADE", qty=10, batchref=batch.reference
)
assert product.events[-1] == expected
def test_records_out_of_stock_event_if_cannot_allocate():
<<<<<<< HEAD
batch = Batch('batch1', 'SMALL-FORK', 10, eta=today)
product = Product(sku="SMALL-FORK", batches=[batch])
product.allocate(OrderLine('order1', 'SMALL-FORK', 10))
allocation = product.allocate(OrderLine('order2', 'SMALL-FORK', 1))
=======
batch = Batch("batch1", "SMALL-FORK", 10, eta=today)
product = Product(sku="SMALL-FORK", batches=[batch])
product.allocate(OrderLine("order1", "SMALL-FORK", 10))
allocation = product.allocate(OrderLine("order2", "SMALL-FORK", 1))
>>>>>>> upstream/master
assert product.events[-1] == events.OutOfStock(sku="SMALL-FORK")
assert allocation is None
def test_increments_version_number():
<<<<<<< HEAD
def test_cannot_allocate_if_skus_do_not_match():
batch = Batch("batch-001", "UNCOMFORTABLE-CHAIR", 100, eta=None)
different_sku_line = OrderLine("order-123", "EXPENSIVE-TOASTER", 10)
assert batch.can_allocate(different_sku_line) is False
