nim-codex/tests/codex/blockexchange/engine/testadvertiser.nim

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import std/sequtils
import std/random
import pkg/chronos
import pkg/libp2p/routing_record
import pkg/codexdht/discv5/protocol as discv5
import pkg/codex/blockexchange
import pkg/codex/stores
import pkg/codex/chunker
import pkg/codex/discovery
import pkg/codex/blocktype as bt
import pkg/codex/manifest
import ../../../asynctest
import ../../helpers
import ../../helpers/mockdiscovery
import ../../examples
asyncchecksuite "Advertiser":
var
blockDiscovery: MockDiscovery
localStore: BlockStore
advertiser: Advertiser
let
manifest = Manifest.new(
treeCid = Cid.example,
blockSize = 123.NBytes,
datasetSize = 234.NBytes)
manifestBlk = Block.new(data = manifest.encode().tryGet(), codec = ManifestCodec).tryGet()
setup:
blockDiscovery = MockDiscovery.new()
localStore = CacheStore.new()
advertiser = Advertiser.new(
localStore,
blockDiscovery
)
await advertiser.start()
teardown:
await advertiser.stop()
test "blockStored should queue manifest Cid for advertising":
(await localStore.putBlock(manifestBlk)).tryGet()
check:
manifestBlk.cid in advertiser.advertiseQueue
test "blockStored should queue tree Cid for advertising":
(await localStore.putBlock(manifestBlk)).tryGet()
check:
manifest.treeCid in advertiser.advertiseQueue
test "blockStored should not queue non-manifest non-tree CIDs for discovery":
let blk = bt.Block.example
(await localStore.putBlock(blk)).tryGet()
check:
blk.cid notin advertiser.advertiseQueue
test "Should not queue if there is already an inflight advertise request":
var
reqs = newFuture[void]()
manifestCount = 0
treeCount = 0
blockDiscovery.publishBlockProvideHandler =
proc(d: MockDiscovery, cid: Cid) {.async, gcsafe.} =
if cid == manifestBlk.cid:
inc manifestCount
if cid == manifest.treeCid:
inc treeCount
await reqs # queue the request
(await localStore.putBlock(manifestBlk)).tryGet()
(await localStore.putBlock(manifestBlk)).tryGet()
reqs.complete()
check eventually manifestCount == 1
check eventually treeCount == 1
test "Should advertise existing manifests and their trees":
let
newStore = CacheStore.new([manifestBlk])
await advertiser.stop()
advertiser = Advertiser.new(
newStore,
blockDiscovery
)
await advertiser.start()
check eventually manifestBlk.cid in advertiser.advertiseQueue
check eventually manifest.treeCid in advertiser.advertiseQueue
test "Stop should clear onBlockStored callback":
await advertiser.stop()
check:
localStore.onBlockStored.isNone()