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