nim-libp2p/tests/testswitch.nim

85 lines
2.7 KiB
Nim

import unittest, tables, options
import chronos
import ../libp2p/[switch,
multistream,
protocols/identify,
connection,
transports/transport,
transports/tcptransport,
multiaddress,
peerinfo,
crypto/crypto,
peer,
protocols/protocol,
muxers/muxer,
muxers/mplex/mplex,
muxers/mplex/types,
protocols/secure/secio,
protocols/secure/secure]
when defined(nimHasUsed): {.used.}
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) {.gcsafe.}=
let seckey = PrivateKey.random(RSA)
var peerInfo: PeerInfo = PeerInfo.init(PrivateKey.random(RSA))
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 secureManagers = [(SecioCodec, Secure(newSecio(peerInfo.privateKey)))].toTable()
let switch = newSwitch(peerInfo,
transports,
identify,
muxers,
secureManagers)
result = (switch, peerInfo)
proc testSwitch(): Future[bool] {.async, gcsafe.} =
let ma1: MultiAddress = Multiaddress.init("/ip4/0.0.0.0/tcp/0")
let ma2: MultiAddress = Multiaddress.init("/ip4/0.0.0.0/tcp/0")
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(switch1.peerInfo, TestCodec)
await conn.writeLp("Hello!")
let msg = cast[string](await conn.readLp())
check "Hello!" == msg
discard allFutures(switch1.stop(), switch2.stop())
result = true
check:
waitFor(testSwitch()) == true