def test_retrieving_batches(session):
session.execute(
'INSERT INTO batches (reference, sku, _purchased_quantity, eta)'
'VALUES ("batch1", "sku1", 100, null)')
session.execute(
'INSERT INTO batches (reference, sku, _purchased_quantity, eta)'
'VALUES ("batch2", "sku2", 200, 2011-04-11)')
expected = [
model.Batch("batch1", "sku1", 100, eta=None),
model.Batch("batch2", "sku2", 200, eta=date(2011, 4, 11)),
]
assert session.query(model.Batch).all() == expected
def add_batch(
ref: str, sku: str, qty: int, eta: Optional[date],
uow: unit_of_work.AbstractUnitOfWork,
):
with uow:
uow.batches.add(model.Batch(ref, sku, qty, eta))
uow.commit()
def test_error_for_invalid_sku():
line = model.OrderLine("o1", "NONEXISTENTSKU", 10)
batch = model.Batch("b1", "AREALSKU", 100, eta=None)
repo = FakeRepository([batch])
with pytest.raises(handlers.InvalidSku, match="Invalid name of SKU: NONEXISTENTSKU"):
handlers.allocate("o1", "NONEXISTENTSKU", 10, repo, FakeSession())
def test_saving_allocations(session):
batch = model.Batch('batch1', 'sku1', 100, eta=None)
line = model.OrderLine('order1', 'sku1', 10)
batch.allocate(line)
session.add(batch)
session.commit()
rows = list(session.execute('SELECT orderline_id, batch_id FROM "allocations"'))
assert rows == [(batch.id, line.id)]
def test_saving_batches(session):
batch = model.Batch('batch1', 'sku1', 100, eta=None)
session.add(batch)
session.commit()
rows = list(session.execute(
'SELECT reference, sku, _purchased_quantity, eta FROM "batches"'
))
assert rows == [('batch1', 'sku1', 100, None)]
def test_commits():
line = model.OrderLine("o1", "OMINOUS-MIRROR", 10)
batch = model.Batch("b1", "OMINOUS-MIRROR", 100, eta=None)
repo = FakeRepository([batch])
session = FakeSession()
handlers.allocate("o1", "OMINOUS-MIRROR", 10, repo, session)
assert session.committed is True
def add_batch(
event: events.BatchCreated, uow: unit_of_work.AbstractUnitOfWork
):
with uow:
product = uow.products.get(sku=event.sku)
if product is None:
product = model.Product(event.sku, batches=[])
uow.products.add(product)
uow.batches.append(model.Batch(event.ref, event.sku, event.qty, event.eta))
uow.commit()
def test_repository_can_save_a_batch(session):
batch = model.Batch("batch1", "RUSTY-SOAPDISH", 100, eta=None)
repo = repository.SqlAlchemyRepository(session)
repo.add(batch)
session.commit()
rows = list(
session.execute(
'SELECT reference, sku, _purchased_quantity, eta FROM "batches"'))
assert rows == [("batch1", "RUSTY-SOAPDISH", 100, None)]
def test_repository_can_retrieve_a_batch_with_allocations(session):
orderline_id = insert_order_line(session)
batch1_id = insert_batch(session, "batch1")
insert_batch(session, "batch2")
insert_allocation(session, orderline_id, batch1_id)
repo = repository.SqlAlchemyRepository(session)
retrieved = repo.get("batch1")
expected = model.Batch("batch1", "GENERIC-SOFA", 100, eta=None)
assert retrieved == expected # Batch.__eq__ only compares reference
assert retrieved.sku == expected.sku
assert retrieved._purchased_quantity == expected._purchased_quantity
assert retrieved._allocations == {
model.OrderLine("order1", "GENERIC-SOFA", 12),
}
def add_batch(
ref: str, sku: str, qty: int, eta: Optional[date],
repo: AbstractRepository, session,
):
repo.add(model.Batch(ref, sku, qty, eta))
session.commit()