nim-eth/tests/p2p/test_protocol_handlers.nim

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#
# Ethereum P2P
# (c) Copyright 2018
# Status Research & Development GmbH
#
# Licensed under either of
# Apache License, version 2.0, (LICENSE-APACHEv2)
# MIT license (LICENSE-MIT)
import
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unittest, tables, chronos, eth/p2p,
./p2p_test_helper
type
network = ref object
count*: int
p2pProtocol abc(version = 1,
shortName = "abc",
networkState = network):
onPeerConnected do (peer: Peer):
peer.networkState.count += 1
onPeerDisconnected do (peer: Peer, reason: DisconnectionReason) {.gcsafe.}:
peer.networkState.count -= 1
if true:
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raise newException(CatchableError, "Fake abc exception")
p2pProtocol xyz(version = 1,
shortName = "xyz",
networkState = network):
onPeerConnected do (peer: Peer):
peer.networkState.count += 1
onPeerDisconnected do (peer: Peer, reason: DisconnectionReason) {.gcsafe.}:
peer.networkState.count -= 1
if true:
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raise newException(CatchableError, "Fake xyz exception")
p2pProtocol hah(version = 1,
shortName = "hah",
networkState = network):
onPeerConnected do (peer: Peer):
if true:
raise newException(UselessPeerError, "Fake hah exception")
peer.networkState.count += 1
onPeerDisconnected do (peer: Peer, reason: DisconnectionReason) {.gcsafe.}:
peer.networkState.count -= 1
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suite "Testing protocol handlers":
asyncTest "Failing disconnection handler":
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let bootENode = await setupBootNode()
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var node1 = setupTestNode(abc, xyz)
var node2 = setupTestNode(abc, xyz)
node2.startListening()
let peer = await node1.rlpxConnect(newNode(initENode(node2.keys.pubKey,
node2.address)))
check:
peer.isNil == false
await peer.disconnect(SubprotocolReason, true)
check:
# we want to check that even though the exceptions in the disconnect
# handlers, each handler still ran
node1.protocolState(abc).count == 0
node1.protocolState(xyz).count == 0
asyncTest "Failing connection handler":
var node1 = setupTestNode(hah)
var node2 = setupTestNode(hah)
node2.startListening()
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let peer = await node1.rlpxConnect(newNode(initENode(node2.keys.pubKey,
node2.address)))
check:
peer.isNil == true
# To check if the disconnection handler did not run
node1.protocolState(hah).count == 0