nim-libp2p/tests/testpubsub.nim

144 lines
4.4 KiB
Nim

## Nim-Libp2p
## Copyright (c) 2018 Status Research & Development GmbH
## Licensed under either of
## * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE))
## * MIT license ([LICENSE-MIT](LICENSE-MIT))
## at your option.
## This file may not be copied, modified, or distributed except according to
## those terms.
import unittest, options, tables, sugar, sequtils
import chronos, chronicles
import ../libp2p/switch,
../libp2p/multistream,
../libp2p/protocols/identify,
../libp2p/connection,
../libp2p/transports/[transport, tcptransport],
../libp2p/multiaddress,
../libp2p/peerinfo,
../libp2p/crypto/crypto,
../libp2p/peer,
../libp2p/protocols/protocol,
../libp2p/muxers/muxer,
../libp2p/muxers/mplex/mplex,
../libp2p/muxers/mplex/types,
../libp2p/protocols/secure/secure,
../libp2p/protocols/secure/secio,
../libp2p/protocols/pubsub/pubsub,
../libp2p/protocols/pubsub/floodsub
proc createMplex(conn: Connection): Muxer =
result = newMplex(conn)
proc createNode(privKey: Option[PrivateKey] = none(PrivateKey),
address: string = "/ip4/127.0.0.1/tcp/0"): Switch =
var peerInfo: PeerInfo
var seckey = privKey
if privKey.isNone:
seckey = some(PrivateKey.random(RSA))
peerInfo.peerId = some(PeerID.init(seckey.get()))
peerInfo.addrs.add(Multiaddress.init(address))
let mplexProvider = newMuxerProvider(createMplex, MplexCodec)
let transports = @[Transport(newTransport(TcpTransport))]
let muxers = [(MplexCodec, mplexProvider)].toTable()
let identify = newIdentify(peerInfo)
let secureManagers = [(SecioCodec, Secure(newSecio(seckey.get())))].toTable()
let pubSub = some(PubSub(newFloodSub(peerInfo)))
result = newSwitch(peerInfo,
transports,
identify,
muxers,
secureManagers = secureManagers,
pubSub = pubSub)
proc generateNodes*(num: Natural): seq[Switch] =
for i in 0..<num:
result.add(createNode())
proc subscribeNodes*(nodes: seq[Switch]) {.async.} =
var pending: seq[Future[void]]
for dialer in nodes:
for node in nodes:
pending.add(dialer.subscribeToPeer(node.peerInfo))
await allFutures(pending)
suite "PubSub":
test "FloodSub basic publish/subscribe A -> B":
proc testBasicPubSub(): Future[bool] {.async.} =
var passed: bool
proc handler(topic: string, data: seq[byte]) {.async, gcsafe.} =
check topic == "foobar"
passed = true
var nodes = generateNodes(2)
var wait = await nodes[1].start()
await nodes[0].subscribeToPeer(nodes[1].peerInfo)
await nodes[1].subscribe("foobar", handler)
await sleepAsync(100.millis)
await nodes[0].publish("foobar", cast[seq[byte]]("Hello!"))
await sleepAsync(100.millis)
await nodes[1].stop()
await allFutures(wait)
result = passed
check:
waitFor(testBasicPubSub()) == true
test "FloodSub basic publish/subscribe B -> A":
proc testBasicPubSub(): Future[bool] {.async.} =
proc handler(topic: string, data: seq[byte]) {.async, gcsafe.} =
check topic == "foobar"
var nodes = generateNodes(2)
var wait = await nodes[1].start()
await nodes[0].subscribeToPeer(nodes[1].peerInfo)
await nodes[0].subscribe("foobar", handler)
await sleepAsync(100.millis)
await nodes[1].publish("foobar", cast[seq[byte]]("Hello!"))
await sleepAsync(100.millis)
await nodes[1].stop()
await allFutures(wait)
result = true
check:
waitFor(testBasicPubSub()) == true
test "basic FloodSub":
proc testBasicFloodSub(): Future[bool] {.async.} =
var passed: bool
proc handler(topic: string, data: seq[byte]) {.async, gcsafe.} =
check topic == "foobar"
passed = true
var nodes: seq[Switch] = generateNodes(4)
var awaitters: seq[Future[void]]
for node in nodes:
awaitters.add(await node.start())
await node.subscribe("foobar", handler)
await sleepAsync(100.millis)
await subscribeNodes(nodes)
await sleepAsync(500.millis)
for node in nodes:
await node.publish("foobar", cast[seq[byte]]("Hello!"))
await sleepAsync(100.millis)
await allFutures(nodes.mapIt(it.stop()))
await allFutures(awaitters)
result = passed
check:
waitFor(testBasicFloodSub()) == true