nim-codex/tests/codex/node/helpers.nim

101 lines
2.7 KiB
Nim

import std/times
import pkg/libp2p
import pkg/chronos
import pkg/codex/codextypes
import pkg/codex/chunker
import ../../asynctest
proc toTimesDuration*(d: chronos.Duration): times.Duration =
initDuration(seconds = d.seconds)
proc drain*(
stream: LPStream | Result[lpstream.LPStream, ref CatchableError]):
Future[seq[byte]] {.async.} =
let
stream =
when typeof(stream) is Result[lpstream.LPStream, ref CatchableError]:
stream.tryGet()
else:
stream
defer:
await stream.close()
var data: seq[byte]
while not stream.atEof:
var
buf = newSeq[byte](DefaultBlockSize.int)
res = await stream.readOnce(addr buf[0], DefaultBlockSize.int)
check res <= DefaultBlockSize.int
buf.setLen(res)
data &= buf
data
proc pipeChunker*(stream: BufferStream, chunker: Chunker) {.async.} =
try:
while (
let chunk = await chunker.getBytes();
chunk.len > 0):
await stream.pushData(chunk)
finally:
await stream.pushEof()
await stream.close()
template setupAndTearDown*() {.dirty.} =
var
file: File
chunker: Chunker
switch: Switch
wallet: WalletRef
network: BlockExcNetwork
clock: Clock
localStore: RepoStore
localStoreRepoDs: DataStore
localStoreMetaDs: DataStore
engine: BlockExcEngine
store: NetworkStore
node: CodexNodeRef
blockDiscovery: Discovery
peerStore: PeerCtxStore
pendingBlocks: PendingBlocksManager
discovery: DiscoveryEngine
let
path = currentSourcePath().parentDir
setup:
file = open(path /../ "" /../ "fixtures" / "test.jpg")
chunker = FileChunker.new(file = file, chunkSize = DefaultBlockSize)
switch = newStandardSwitch()
wallet = WalletRef.new(EthPrivateKey.random())
network = BlockExcNetwork.new(switch)
clock = SystemClock.new()
localStoreMetaDs = SQLiteDatastore.new(Memory).tryGet()
localStoreRepoDs = SQLiteDatastore.new(Memory).tryGet()
localStore = RepoStore.new(localStoreRepoDs, localStoreMetaDs, clock = clock)
await localStore.start()
blockDiscovery = Discovery.new(
switch.peerInfo.privateKey,
announceAddrs = @[MultiAddress.init("/ip4/127.0.0.1/tcp/0")
.expect("Should return multiaddress")])
peerStore = PeerCtxStore.new()
pendingBlocks = PendingBlocksManager.new()
discovery = DiscoveryEngine.new(localStore, peerStore, network, blockDiscovery, pendingBlocks)
engine = BlockExcEngine.new(localStore, wallet, network, discovery, peerStore, pendingBlocks)
store = NetworkStore.new(engine, localStore)
node = CodexNodeRef.new(switch, store, engine, blockDiscovery)
await node.start()
teardown:
close(file)
await node.stop()