def test_cannot_allocate_if_sku_do_not_match():
batch = Batch("batch-001",
"UNCOMFORTABLE-CHAIR",
100,
manufacture_date=None)
different_sku_line = OrderLine("order-123", "EXPENSIVE-TOASTER", 10)
assert batch.can_allocate(different_sku_line) is False
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_batch_ref():
in_stock_batch = Batch("in-stock-batch-ref",
"HIGHBROW-POSTER", 100, manufacture_date=None)
shipment_batch = Batch("shipment-batch-ref",
"HIGHBROW-POSTER", 100, manufacture_date=tommorrow)
line = OrderLine("oref", "HIGHBROW-POSTER", 10)
allocation = allocate(line, [in_stock_batch, shipment_batch])
assert allocation == in_stock_batch.reference
def test_prefers_warehouse_batches_to_shipments():
in_stock_batch = Batch("02", "RETRO_CLOCK", 100, eta=None)
shipment_batch = Batch("03", "RETRO_CLOCK", 100, eta=tomorrow)
line = OrderLine("02", "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_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_allocating_to_a_batch_reduces_the_available_quantity():
# Arrange
batch = Batch("batch-001", "SMALL-TABLE", qty=20, eta=date.today())
line = OrderLine('order-ref', "SMALL-TABLE", 2)
# Act - take action
batch.allocate(line)
# Assert
assert batch.available_quantity == 18
def test_allocating_to_a_batch_rquantity():
batch = Batch("batch-001",
"SMALL-TABLE",
quantity=20,
manufacture_date=date.today())
line = OrderLine("order-ref", "SMALL-TABLE", 2)
batch.allocate(line)
assert batch.available_quantity == 18
def test_prefers_earlier_batches():
today_batch = Batch("04", "MINIMALIST-SPOON", 100, eta=today)
tomorrow_batch = Batch("05", "MINIMALIST-SPOON", 100, eta=tomorrow)
later_batch = Batch("06", "MINIMALIST-SPOON", 100, eta=later)
line = OrderLine("03", "MINIMALIST-SPOON", 10)
allocate(line, [today_batch, tomorrow_batch, later_batch])
assert today_batch.available_quantity == 90
assert tomorrow_batch.available_quantity == 100
assert later_batch.available_quantity == 100
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)
allocate(line, [medium, earliest, latest])
assert earliest.available_quantity == 90
assert medium.available_quantity == 100
assert latest.available_quantity == 100
def test_prefers_current_stock_batches_to_shipments(self=None):
"""batchesの最初のひとつめにしか処理がかからないことを確認"""
tomorrow = (datetime.datetime.now() + datetime.timedelta(days=1))
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])
self.assertEqual(90, in_stock_batch.available_quantity)
self.assertEqual(100, shipment_batch.available_quantity)
def test_returns_allocated_batch_ref(self):
"""Batchとallocateの返却が一致することを確認"""
tomorrow = (datetime.datetime.now() + datetime.timedelta(days=1))
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)
allocation = allocate(line, [in_stock_batch, shipment_batch])
self.assertTrue(allocation == in_stock_batch.reference)
def test_prefers_earlier_batches(self):
"""batchesをソートした上で先頭の要素にallocateが実行されることを確認"""
today = datetime.datetime.now()
tomorrow = (datetime.datetime.now() + datetime.timedelta(days=1))
later = (datetime.datetime.now() + datetime.timedelta(weeks=4))
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)
allocate(line, [medium, earliest, latest]) # 順番に注目earliestは2番目
self.assertEqual(
90, earliest.available_quantity) # 2番目にあるearliestにオーダーがかかった
self.assertEqual(100, medium.available_quantity)
self.assertEqual(100, latest.available_quantity)
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("order1", "HIGHBROW-POSTER", 10)
ref = allocate(line, [in_stock_batch, shipment_batch])
assert ref == in_stock_batch.reference
def test_raises_out_of_stock_exception_if_cannot_allocate(self):
batch = Batch('batch1', 'SMALL-FORK', 10, eta=datetime.datetime.now())
line = OrderLine('order1', 'SMALL-FORK', 10)
allocate(line, [batch])
with pytest.raises(OutOfStock, match='SMALL-FORK'):
line = OrderLine('order2', 'SMALL-FORK', 1)
allocate(line, [batch])
def test_raises_out_of_stock_exception_if_cannot_allocate():
batch = Batch("05", "SMALL_FORK", 10, eta=today)
line1 = OrderLine("05", "SMALL_FORK", 10)
line2 = OrderLine("05", "SMALL_FORK", 1)
allocate(line1, [batch])
with pytest.raises(OutOfStock, match="SMALL_FORK"):
allocate(line2, [batch])
def test_raises_out_of_stock_exception_if_cannot_allocate():
batch = Batch("batch-ref", "SPOON", 100, eta=today)
line = OrderLine("order1", "SPOON", 100)
allocate(line, [batch])
with pytest.raises(OutOfStock, match="SPOON"):
line2 = OrderLine("order2", "SPOON", 10)
allocate(line2, [batch])
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_allocating_to_a_batch_reduces_the_available_quantity():
batch = Batch("1", "SMALL_TABLE", qty=20, eta=today)
line = OrderLine("1", "SMALL_TABLE", 2)
batch.allocate(line)
assert batch.available_quantity == 18
def make_batch_and_line(sku: str, batch_qty: int, line_qty: int):
return (Batch("Batch-001", sku, batch_qty,
eta=date.today()), OrderLine("Order-123", sku, line_qty))
def test_equality():
batch1 = Batch("batch-001", "SMALL-TABLE", 20, eta=date.today())
batch2 = Batch("batch-001", "UNCOMFORTABLE-CHAIR", 22, eta=date.today())
assert batch1 == batch2
def test_can_twice_allocate_ng_purchase2(self):
"""オーダー番号が違っても商品が違うと受け付けない"""
batch = Batch('batch-001', 'ELEGANT-LAMP', 20, eta=date.today())
batch.allocate(OrderLine('order-123', 'ELEGANT-LAMP', 2))
batch.allocate(OrderLine('order-1233', 'ELEGANT-LAMPP', 2))
self.assertEqual(18, batch.available_quantity)
def test_cannot_allocate_if_skus_do_not_match(self):
"""商品コードが違えば割り当てることはできない"""
batch = Batch('batch-001', 'UNCOMFORTABLE-CHAIR', 100, eta=None)
different_sku_line = OrderLine('order-123', 'EXPENSIVE-TOASTER', 10)
self.assertFalse(batch.can_allocate(different_sku_line))
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
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_cant_allocate_if_sku_doesnt_match():
batch = Batch("batch-001", "UNCOMFORTABLE-CHAIR", 100, eta=None)
different_sku_line = OrderLine("order-123", "EXPENSIVE-TOASTER", 10)
print(batch.can_allocate(different_sku_line))
def test_allocatint_to_a_batch_reduces_available_quantity():
batch = Batch("batch-001", "SMALL-TABLE", qty=20, eta=date.today())
line = OrderLine("order-ref", "SMALL-TABLE", 2)
batch.allocate(line)
print(batch._allocations)
def test_raises_out_of_stock_exception_if_cannot_allocate():
batch = Batch("batch1", "SMALL-FORK", 10, eta=today)
allocate(OrderLine("order1", "SMALL-FORK", 10), [batch])
with pytest.raises(OutOfStock, match="SMALL-FORK"):
allocate(OrderLine("order2", "SMALL-FORK", 1), [batch])
def test_raises_out_of_stock_exception_if_cannot_allocate():
batch = Batch('batch1', 'SMALL-FORK', 10, eta=today)
allocate(OrderLine('order1', 'SMALL-FORK', 10), [batch])
with pytest.raises(OutOfStock, match='SMALL-FORK'):
allocate(OrderLine('order2', 'SMALL-FORK', 1), [batch])
def test_allocating_to_a_batch_reduces_the_available_quantity(self):
batch = Batch('batch-001', 'SMALL-TABLE', qty=20, eta=date.today())
line = OrderLine('order-ref', "SMALL-TABLE", 2)
batch.allocate(line)
self.assertEqual(18, batch.available_quantity)
def test_can_twice_allocate_ok_purchase(self):
"""オーダー番号が違えば2連続注文を受け付ける"""
batch = Batch('batch-001', 'ELEGANT-LAMP', 20, eta=date.today())
batch.allocate(OrderLine('order-123', 'ELEGANT-LAMP', 2))
batch.allocate(OrderLine('order-1233', 'ELEGANT-LAMP', 2))
self.assertEqual(16, batch.available_quantity)
