nim-codex/tests/dagger/testnode.nim

138 lines
3.1 KiB
Nim

import std/os
import std/options
import pkg/asynctest
import pkg/chronos
import pkg/stew/byteutils
import pkg/nitro
import pkg/libp2p
import pkg/dagger/stores
import pkg/dagger/blockexchange
import pkg/dagger/chunker
import pkg/dagger/node
import pkg/dagger/manifest
import pkg/dagger/blocktype as bt
import ./helpers
suite "Test Node":
let
(path, _, _) = instantiationInfo(-2, fullPaths = true) # get this file's name
var
file: File
chunker: Chunker
switch: Switch
wallet: WalletRef
network: BlockExcNetwork
localStore: MemoryStore
engine: BlockExcEngine
store: NetworkStore
node: DaggerNodeRef
setup:
file = open(path.splitFile().dir /../ "fixtures" / "test.jpg")
chunker = FileChunker.new(file = file)
switch = newStandardSwitch()
wallet = WalletRef.new(EthPrivateKey.random())
network = BlockExcNetwork.new(switch)
localStore = MemoryStore.new()
engine = BlockExcEngine.new(localStore, wallet, network)
store = NetworkStore.new(engine, localStore)
node = DaggerNodeRef.new(switch, store, engine)
await node.start()
teardown:
close(file)
await node.stop()
test "Store Data Stream":
let
stream = BufferStream.new()
storeFut = node.store(stream)
var
manifest = BlocksManifest.init().tryGet()
try:
while (
let chunk = await chunker.getBytes();
chunk.len > 0):
await stream.pushData(chunk)
manifest.put(bt.Block.init(chunk).tryGet().cid)
finally:
await stream.pushEof()
await stream.close()
let
manifestCid = (await storeFut).tryGet()
check:
manifestCid in localStore
var
manifestBlock = (await localStore.getBlock(manifestCid)).tryGet()
localManifest = BlocksManifest.init(manifestBlock).tryGet()
check:
manifest.len == localManifest.len
manifest.cid == localManifest.cid
test "Retrieve Data Stream":
var
manifest = BlocksManifest.init().tryGet()
original: seq[byte]
while (
let chunk = await chunker.getBytes();
chunk.len > 0):
let
blk = bt.Block.init(chunk).tryGet()
original &= chunk
check await localStore.putBlock(blk)
manifest.put(blk.cid)
let
manifestBlock = bt.Block.init(
manifest.encode().tryGet(),
codec = ManifestCodec).tryGet()
check await localStore.putBlock(manifestBlock)
let stream = BufferStream.new()
check (await node.retrieve(stream, manifestBlock.cid)).isOk
var data: seq[byte]
while true:
var
buf = newSeq[byte](FileChunkSize)
res = await stream.readOnce(addr buf[0], buf.len)
if res <= 0:
break
buf.setLen(res)
data &= buf
check data == original
test "Retrieve One Block":
let
testString = "Block 1"
blk = bt.Block.init(testString.toBytes).tryGet()
var
stream = BufferStream.new()
check (await localStore.putBlock(blk))
check (await node.retrieve(stream, blk.cid)).isOk
var data = newSeq[byte](testString.len)
await stream.readExactly(addr data[0], data.len)
check string.fromBytes(data) == testString