nim-codex/tests/codex/sales/testslotqueue.nim

394 lines
13 KiB
Nim

import std/sequtils
import pkg/asynctest
import pkg/chronos
import pkg/datastore
import pkg/questionable
import pkg/questionable/results
import pkg/codex/logutils
import pkg/codex/sales/slotqueue
import ../helpers
import ../helpers/mockmarket
import ../examples
suite "Slot queue start/stop":
var queue: SlotQueue
setup:
queue = SlotQueue.new()
teardown:
await queue.stop()
test "starts out not running":
check not queue.running
test "can call start multiple times, and when already running":
asyncSpawn queue.start()
asyncSpawn queue.start()
check queue.running
test "can call stop when alrady stopped":
await queue.stop()
check not queue.running
test "can call stop when running":
asyncSpawn queue.start()
await queue.stop()
check not queue.running
test "can call stop multiple times":
asyncSpawn queue.start()
await queue.stop()
await queue.stop()
check not queue.running
suite "Slot queue workers":
var queue: SlotQueue
proc onProcessSlot(item: SlotQueueItem, doneProcessing: Future[void]) {.async.} =
await sleepAsync(1000.millis)
# this is not illustrative of the realistic scenario as the
# `doneProcessing` future would be passed to another context before being
# completed and therefore is not as simple as making the callback async
doneProcessing.complete()
setup:
let request = StorageRequest.example
queue = SlotQueue.new(maxSize = 5, maxWorkers = 3)
queue.onProcessSlot = onProcessSlot
proc startQueue = asyncSpawn queue.start()
teardown:
await queue.stop()
test "activeWorkers should be 0 when not running":
check queue.activeWorkers == 0
test "maxWorkers cannot be 0":
expect ValueError:
discard SlotQueue.new(maxSize = 1, maxWorkers = 0)
test "maxWorkers cannot surpass maxSize":
expect ValueError:
discard SlotQueue.new(maxSize = 1, maxWorkers = 2)
test "does not surpass max workers":
startQueue()
let item1 = SlotQueueItem.example
let item2 = SlotQueueItem.example
let item3 = SlotQueueItem.example
let item4 = SlotQueueItem.example
check queue.push(item1).isOk
check queue.push(item2).isOk
check queue.push(item3).isOk
check queue.push(item4).isOk
check eventually queue.activeWorkers == 3
test "discards workers once processing completed":
proc processSlot(item: SlotQueueItem, done: Future[void]) {.async.} =
await sleepAsync(1.millis)
done.complete()
queue.onProcessSlot = processSlot
startQueue()
let item1 = SlotQueueItem.example
let item2 = SlotQueueItem.example
let item3 = SlotQueueItem.example
let item4 = SlotQueueItem.example
check queue.push(item1).isOk # finishes after 1.millis
check queue.push(item2).isOk # finishes after 1.millis
check queue.push(item3).isOk # finishes after 1.millis
check queue.push(item4).isOk
check eventually queue.activeWorkers == 1
suite "Slot queue":
var onProcessSlotCalled = false
var onProcessSlotCalledWith: seq[(RequestId, uint16)]
var queue: SlotQueue
var paused: bool
proc newSlotQueue(maxSize, maxWorkers: int, processSlotDelay = 1.millis) =
queue = SlotQueue.new(maxWorkers, maxSize.uint16)
queue.onProcessSlot = proc(item: SlotQueueItem, done: Future[void]) {.async.} =
await sleepAsync(processSlotDelay)
trace "processing item", requestId = item.requestId, slotIndex = item.slotIndex
onProcessSlotCalled = true
onProcessSlotCalledWith.add (item.requestId, item.slotIndex)
done.complete()
asyncSpawn queue.start()
setup:
onProcessSlotCalled = false
onProcessSlotCalledWith = @[]
teardown:
paused = false
await queue.stop()
test "starts out empty":
newSlotQueue(maxSize = 2, maxWorkers = 2)
check queue.len == 0
check $queue == "[]"
test "reports correct size":
newSlotQueue(maxSize = 2, maxWorkers = 2)
check queue.size == 2
test "correctly compares SlotQueueItems":
var requestA = StorageRequest.example
requestA.ask.duration = 1.u256
requestA.ask.reward = 1.u256
check requestA.ask.pricePerSlot == 1.u256
requestA.ask.collateral = 100000.u256
requestA.expiry = 1001.u256
var requestB = StorageRequest.example
requestB.ask.duration = 100.u256
requestB.ask.reward = 1000.u256
check requestB.ask.pricePerSlot == 100000.u256
requestB.ask.collateral = 1.u256
requestB.expiry = 1000.u256
let itemA = SlotQueueItem.init(requestA, 0)
let itemB = SlotQueueItem.init(requestB, 0)
check itemB < itemA # B higher priority than A
check itemA > itemB
test "expands available all possible slot indices on init":
let request = StorageRequest.example
let items = SlotQueueItem.init(request)
check items.len.uint64 == request.ask.slots
var checked = 0
for slotIndex in 0'u16..<request.ask.slots.uint16:
check items.anyIt(it == SlotQueueItem.init(request, slotIndex))
inc checked
check checked == items.len
test "can process items":
newSlotQueue(maxSize = 2, maxWorkers = 2)
let item1 = SlotQueueItem.example
let item2 = SlotQueueItem.example
check queue.push(item1).isOk
check queue.push(item2).isOk
check eventually onProcessSlotCalledWith == @[
(item1.requestId, item1.slotIndex),
(item2.requestId, item2.slotIndex)
]
test "can push items past number of maxWorkers":
newSlotQueue(maxSize = 2, maxWorkers = 2)
let item0 = SlotQueueItem.example
let item1 = SlotQueueItem.example
let item2 = SlotQueueItem.example
let item3 = SlotQueueItem.example
let item4 = SlotQueueItem.example
check isOk queue.push(item0)
check isOk queue.push(item1)
check isOk queue.push(item2)
check isOk queue.push(item3)
check isOk queue.push(item4)
test "populates item with exisiting request metadata":
newSlotQueue(maxSize = 8, maxWorkers = 1, processSlotDelay = 10.millis)
let request0 = StorageRequest.example
var request1 = StorageRequest.example
request1.ask.collateral += 1.u256
let items0 = SlotQueueItem.init(request0)
let items1 = SlotQueueItem.init(request1)
check queue.push(items0).isOk
check queue.push(items1).isOk
let populated = !queue.populateItem(request1.id, 12'u16)
check populated.requestId == request1.id
check populated.slotIndex == 12'u16
check populated.slotSize == request1.ask.slotSize
check populated.duration == request1.ask.duration
check populated.reward == request1.ask.reward
check populated.collateral == request1.ask.collateral
test "does not find exisiting request metadata":
newSlotQueue(maxSize = 2, maxWorkers = 2)
let item = SlotQueueItem.example
check queue.populateItem(item.requestId, 12'u16).isNone
test "can support uint16.high slots":
var request = StorageRequest.example
let maxUInt16 = uint16.high
let uint64Slots = uint64(maxUInt16)
request.ask.slots = uint64Slots
let items = SlotQueueItem.init(request.id, request.ask, request.expiry)
check items.len.uint16 == maxUInt16
test "cannot support greater than uint16.high slots":
var request = StorageRequest.example
let int32Slots = uint16.high.int32 + 1
let uint64Slots = uint64(int32Slots)
request.ask.slots = uint64Slots
expect SlotsOutOfRangeError:
discard SlotQueueItem.init(request.id, request.ask, request.expiry)
test "cannot push duplicate items":
newSlotQueue(maxSize = 6, maxWorkers = 1, processSlotDelay = 15.millis)
let item0 = SlotQueueItem.example
let item1 = SlotQueueItem.example
let item2 = SlotQueueItem.example
check isOk queue.push(item0)
check isOk queue.push(item1)
check queue.push(@[item2, item2, item2, item2]).error of SlotQueueItemExistsError
test "can add items past max maxSize":
newSlotQueue(maxSize = 4, maxWorkers = 2, processSlotDelay = 10.millis)
let item1 = SlotQueueItem.example
let item2 = SlotQueueItem.example
let item3 = SlotQueueItem.example
let item4 = SlotQueueItem.example
check queue.push(item1).isOk
check queue.push(item2).isOk
check queue.push(item3).isOk
check queue.push(item4).isOk
check eventually onProcessSlotCalledWith.len == 4
test "can delete items":
newSlotQueue(maxSize = 6, maxWorkers = 2, processSlotDelay = 10.millis)
let item0 = SlotQueueItem.example
let item1 = SlotQueueItem.example
let item2 = SlotQueueItem.example
let item3 = SlotQueueItem.example
check queue.push(item0).isOk
check queue.push(item1).isOk
check queue.push(item2).isOk
check queue.push(item3).isOk
queue.delete(item3)
check not queue.contains(item3)
test "can delete item by request id and slot id":
newSlotQueue(maxSize = 8, maxWorkers = 1, processSlotDelay = 10.millis)
let request0 = StorageRequest.example
var request1 = StorageRequest.example
request1.ask.collateral += 1.u256
let items0 = SlotQueueItem.init(request0)
let items1 = SlotQueueItem.init(request1)
check queue.push(items0).isOk
check queue.push(items1).isOk
let last = items1[items1.high]
check eventually queue.contains(last)
queue.delete(last.requestId, last.slotIndex)
check not onProcessSlotCalledWith.anyIt(
it == (last.requestId, last.slotIndex)
)
test "can delete all items by request id":
newSlotQueue(maxSize = 8, maxWorkers = 1, processSlotDelay = 10.millis)
let request0 = StorageRequest.example
var request1 = StorageRequest.example
request1.ask.collateral += 1.u256
let items0 = SlotQueueItem.init(request0)
let items1 = SlotQueueItem.init(request1)
check queue.push(items0).isOk
check queue.push(items1).isOk
queue.delete(request1.id)
check not onProcessSlotCalledWith.anyIt(it[0] == request1.id)
test "can check if contains item":
newSlotQueue(maxSize = 6, maxWorkers = 1, processSlotDelay = 10.millis)
let request0 = StorageRequest.example
var request1 = StorageRequest.example
var request2 = StorageRequest.example
var request3 = StorageRequest.example
var request4 = StorageRequest.example
var request5 = StorageRequest.example
request1.ask.collateral = request0.ask.collateral + 1
request2.ask.collateral = request1.ask.collateral + 1
request3.ask.collateral = request2.ask.collateral + 1
request4.ask.collateral = request3.ask.collateral + 1
request5.ask.collateral = request4.ask.collateral + 1
let item0 = SlotQueueItem.init(request0, 0)
let item1 = SlotQueueItem.init(request1, 0)
let item2 = SlotQueueItem.init(request2, 0)
let item3 = SlotQueueItem.init(request3, 0)
let item4 = SlotQueueItem.init(request4, 0)
let item5 = SlotQueueItem.init(request5, 0)
check queue.contains(item5) == false
check queue.push(@[item0, item1, item2, item3, item4, item5]).isOk
check queue.contains(item5)
test "sorts items by profitability ascending (higher pricePerSlot = higher priority)":
var request = StorageRequest.example
let item0 = SlotQueueItem.init(request, 0)
request.ask.reward += 1.u256
let item1 = SlotQueueItem.init(request, 1)
check item1 < item0
test "sorts items by collateral ascending (less required collateral = higher priority)":
var request = StorageRequest.example
let item0 = SlotQueueItem.init(request, 0)
request.ask.collateral -= 1.u256
let item1 = SlotQueueItem.init(request, 1)
check item1 < item0
test "sorts items by expiry descending (longer expiry = higher priority)":
var request = StorageRequest.example
let item0 = SlotQueueItem.init(request, 0)
request.expiry += 1.u256
let item1 = SlotQueueItem.init(request, 1)
check item1 < item0
test "sorts items by slot size ascending (smaller dataset = higher priority)":
var request = StorageRequest.example
let item0 = SlotQueueItem.init(request, 0)
request.ask.slotSize -= 1.u256
let item1 = SlotQueueItem.init(request, 1)
check item1 < item0
test "should call callback once an item is added":
newSlotQueue(maxSize = 2, maxWorkers = 2)
let item = SlotQueueItem.example
check not onProcessSlotCalled
check queue.push(item).isOk
check eventually onProcessSlotCalled
test "should only process item once":
newSlotQueue(maxSize = 2, maxWorkers = 2)
let item = SlotQueueItem.example
check queue.push(item).isOk
check eventually onProcessSlotCalledWith == @[
(item.requestId, item.slotIndex)
]
test "should process items in correct order":
newSlotQueue(maxSize = 2, maxWorkers = 2)
# sleeping after push allows the slotqueue loop to iterate,
# calling the callback for each pushed/updated item
var request = StorageRequest.example
let item0 = SlotQueueItem.init(request, 0)
request.ask.reward += 1.u256
let item1 = SlotQueueItem.init(request, 1)
request.ask.reward += 1.u256
let item2 = SlotQueueItem.init(request, 2)
request.ask.reward += 1.u256
let item3 = SlotQueueItem.init(request, 3)
check queue.push(item0).isOk
await sleepAsync(1.millis)
check queue.push(item1).isOk
await sleepAsync(1.millis)
check queue.push(item2).isOk
await sleepAsync(1.millis)
check queue.push(item3).isOk
check eventually (
onProcessSlotCalledWith == @[
(item0.requestId, item0.slotIndex),
(item1.requestId, item1.slotIndex),
(item2.requestId, item2.slotIndex),
(item3.requestId, item3.slotIndex),
]
)