nim-libp2p/tests/testswitch.nim

76 lines
2.4 KiB
Nim

import unittest, tables, options
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
const TestCodec = "/test/proto/1.0.0"
type
TestProto = ref object of LPProtocol
method init(p: TestProto) {.gcsafe.} =
proc handle(conn: Connection, proto: string) {.async, gcsafe.} =
let msg = cast[string](await conn.readLp())
check "Hello!" == msg
await conn.writeLp("Hello!")
await conn.close()
p.codec = TestCodec
p.handler = handle
suite "Switch":
test "e2e use switch":
proc createSwitch(ma: MultiAddress): (Switch, PeerInfo) =
let seckey = PrivateKey.random(RSA)
var peerInfo: PeerInfo
peerInfo.peerId = some(PeerID.init(seckey))
peerInfo.addrs.add(ma)
let identify = newIdentify(peerInfo)
proc createMplex(conn: Connection): Muxer =
result = newMplex(conn)
let mplexProvider = newMuxerProvider(createMplex, MplexCodec)
let transports = @[Transport(newTransport(TcpTransport))]
let muxers = [(MplexCodec, mplexProvider)].toTable()
let switch = newSwitch(peerInfo, transports, identify, muxers)
result = (switch, peerInfo)
proc testSwitch(): Future[bool] {.async, gcsafe.} =
let ma1: MultiAddress = Multiaddress.init("/ip4/127.0.0.1/tcp/53370")
let ma2: MultiAddress = Multiaddress.init("/ip4/127.0.0.1/tcp/53371")
var peerInfo1, peerInfo2: PeerInfo
var switch1, switch2: Switch
(switch1, peerInfo1) = createSwitch(ma1)
let testProto = new TestProto
testProto.init()
testProto.codec = TestCodec
switch1.mount(testProto)
asyncCheck switch1.start()
(switch2, peerInfo2) = createSwitch(ma2)
asyncCheck switch2.start()
let conn = await switch2.dial(peerInfo1, TestCodec)
await conn.writeLp("Hello!")
let msg = cast[string](await conn.readLp())
check "Hello!" == msg
# await allFutures(switch1.stop(), switch2.stop())
result = true
check:
waitFor(testSwitch()) == true