def test_orderline_mapper_can_load_lines(session):
session.execute("INSERT INTO order_lines (orderid, sku, qty) VALUES "
'("order1", "RED-CHAIR", 12),'
'("order1", "RED-TABLE", 13),'
'("order2", "BLUE-LIPSTICK", 14)')
expected = [
model.OrderLine("order1", "RED-CHAIR", 12),
model.OrderLine("order1", "RED-TABLE", 13),
model.OrderLine("order2", "BLUE-LIPSTICK", 14),
]
assert session.query(model.OrderLine).all() == expected
def test_orderline_mapper_can_save_lines(session):
new_line = model.OrderLine("order1", "DECORATIVE-WIDGET", 12)
session.add(new_line)
session.commit()
rows = list(session.execute('SELECT orderid, sku, qty FROM "order_lines"'))
assert rows == [("order1", "DECORATIVE-WIDGET", 12)]
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_returns_allocation():
# given
line = model.OrderLine("o1", "COMPLICATED-LAMP", 10)
batch = model.Batch("b1", "COMPLICATED-LAMP", 100, eta=None)
repo = repository.FakeRepository([batch])
# when
result = services.allocate(line, repo, FakeSession())
# then
assert result == "b1"
def test_commits():
# given
line = model.OrderLine("o1", "OMINOUS-MIRROR", 10)
batch = model.Batch("b1", "OMINOUS-MIRROR", 100, eta=None)
repo = repository.FakeRepository([batch])
session = FakeSession()
# when
services.allocate(line, repo, session)
# then
assert session.committed == True
def allocate_endpoint():
session = get_session()
repo = repository.SqlAlchemyRepository(session)
line = model.OrderLine(
request.json["orderid"], request.json["sku"], request.json["qty"],
)
try:
batchref = services.allocate(line, repo, session)
except (model.OutOfStock, services.InvalidSku) as e:
return jsonify({"message": str(e)}), 400
return jsonify({"batchref": batchref}), 201
def test_retrieving_allocations(session):
session.execute(
'INSERT INTO order_lines (orderid, sku, qty) VALUES ("order1", "sku1", 12)'
)
[[olid]] = session.execute(
"SELECT id FROM order_lines WHERE orderid=:orderid AND sku=:sku",
dict(orderid="order1", sku="sku1"),
)
session.execute(
"INSERT INTO batches (reference, sku, _purchased_quantity, eta)"
' VALUES ("batch1", "sku1", 100, null)')
[[bid]] = session.execute(
"SELECT id FROM batches WHERE reference=:ref AND sku=:sku",
dict(ref="batch1", sku="sku1"),
)
session.execute(
"INSERT INTO allocations (orderline_id, batch_id) VALUES (:olid, :bid)",
dict(olid=olid, bid=bid),
)
batch = session.query(model.Batch).one()
assert batch._allocations == {model.OrderLine("order1", "sku1", 12)}