def test_deallocate_stock_many_allocations(order_line_with_allocation_in_many_stocks,):
order_line = order_line_with_allocation_in_many_stocks
deallocate_stock(order_line, 3)
allocations = order_line.allocations.all()
assert allocations[0].quantity_allocated == 0
assert allocations[1].quantity_allocated == 0
def test_deallocate_stock_partially(allocation):
stock = allocation.stock
stock.quantity = 100
stock.save(update_fields=["quantity"])
allocation.quantity_allocated = 80
allocation.save(update_fields=["quantity_allocated"])
deallocate_stock(allocation.order_line, 50)
stock.refresh_from_db()
assert stock.quantity == 100
allocation.refresh_from_db()
assert allocation.quantity_allocated == 30
