nim-libp2p-experimental/tests/pubsub/testfloodsub.nim

314 lines
8.9 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.
{.used.}
import unittest, sequtils, options, tables, sets
import chronos
import utils,
../../libp2p/[errors,
switch,
connection,
stream/bufferstream,
crypto/crypto,
protocols/pubsub/pubsub,
protocols/pubsub/floodsub,
protocols/pubsub/rpc/messages,
protocols/pubsub/rpc/message]
import ../helpers
proc waitSub(sender, receiver: auto; key: string) {.async, gcsafe.} =
# turn things deterministic
# this is for testing purposes only
var ceil = 15
let fsub = cast[FloodSub](sender.pubSub.get())
while not fsub.floodsub.hasKey(key) or
not fsub.floodsub[key].contains(receiver.peerInfo.id):
await sleepAsync(100.millis)
dec ceil
doAssert(ceil > 0, "waitSub timeout!")
suite "FloodSub":
teardown:
for tracker in testTrackers():
# echo tracker.dump()
check tracker.isLeaked() == false
test "FloodSub basic publish/subscribe A -> B":
proc runTests(): Future[bool] {.async.} =
var completionFut = newFuture[bool]()
proc handler(topic: string, data: seq[byte]) {.async, gcsafe.} =
check topic == "foobar"
completionFut.complete(true)
let
nodes = generateNodes(2)
nodesFut = await all(
nodes[0].start(),
nodes[1].start()
)
await subscribeNodes(nodes)
await nodes[1].subscribe("foobar", handler)
await waitSub(nodes[0], nodes[1], "foobar")
await nodes[0].publish("foobar", cast[seq[byte]]("Hello!"))
result = await completionFut.wait(5.seconds)
await all(
nodes[0].stop(),
nodes[1].stop()
)
await all(nodesFut.concat())
check:
waitFor(runTests()) == true
test "FloodSub basic publish/subscribe B -> A":
proc runTests(): Future[bool] {.async.} =
var completionFut = newFuture[bool]()
proc handler(topic: string, data: seq[byte]) {.async, gcsafe.} =
check topic == "foobar"
completionFut.complete(true)
var nodes = generateNodes(2)
var awaiters: seq[Future[void]]
awaiters.add((await nodes[0].start()))
awaiters.add((await nodes[1].start()))
await subscribeNodes(nodes)
await nodes[0].subscribe("foobar", handler)
await waitSub(nodes[1], nodes[0], "foobar")
await nodes[1].publish("foobar", cast[seq[byte]]("Hello!"))
result = await completionFut.wait(5.seconds)
await all(nodes[0].stop(), nodes[1].stop())
await all(awaiters)
check:
waitFor(runTests()) == true
test "FloodSub validation should succeed":
proc runTests(): Future[bool] {.async.} =
var handlerFut = newFuture[bool]()
proc handler(topic: string, data: seq[byte]) {.async, gcsafe.} =
check topic == "foobar"
handlerFut.complete(true)
var nodes = generateNodes(2)
var awaiters: seq[Future[void]]
awaiters.add((await nodes[0].start()))
awaiters.add((await nodes[1].start()))
await subscribeNodes(nodes)
await nodes[1].subscribe("foobar", handler)
await waitSub(nodes[0], nodes[1], "foobar")
var validatorFut = newFuture[bool]()
proc validator(topic: string,
message: Message): Future[bool] {.async.} =
check topic == "foobar"
validatorFut.complete(true)
result = true
nodes[1].addValidator("foobar", validator)
await nodes[0].publish("foobar", cast[seq[byte]]("Hello!"))
check (await handlerFut) == true
await all(nodes[0].stop(), nodes[1].stop())
await all(awaiters)
result = true
check:
waitFor(runTests()) == true
test "FloodSub validation should fail":
proc runTests(): Future[bool] {.async.} =
proc handler(topic: string, data: seq[byte]) {.async, gcsafe.} =
check false # if we get here, it should fail
var nodes = generateNodes(2)
var awaiters: seq[Future[void]]
awaiters.add((await nodes[0].start()))
awaiters.add((await nodes[1].start()))
await subscribeNodes(nodes)
await nodes[1].subscribe("foobar", handler)
await waitSub(nodes[0], nodes[1], "foobar")
var validatorFut = newFuture[bool]()
proc validator(topic: string,
message: Message): Future[bool] {.async.} =
validatorFut.complete(true)
result = false
nodes[1].addValidator("foobar", validator)
await nodes[0].publish("foobar", cast[seq[byte]]("Hello!"))
await all(nodes[0].stop(), nodes[1].stop())
await all(awaiters)
result = true
check:
waitFor(runTests()) == true
test "FloodSub validation one fails and one succeeds":
proc runTests(): Future[bool] {.async.} =
var handlerFut = newFuture[bool]()
proc handler(topic: string, data: seq[byte]) {.async, gcsafe.} =
check topic == "foo"
handlerFut.complete(true)
var nodes = generateNodes(2)
var awaiters: seq[Future[void]]
awaiters.add((await nodes[0].start()))
awaiters.add((await nodes[1].start()))
await subscribeNodes(nodes)
await nodes[1].subscribe("foo", handler)
await waitSub(nodes[0], nodes[1], "foo")
await nodes[1].subscribe("bar", handler)
await waitSub(nodes[0], nodes[1], "bar")
proc validator(topic: string,
message: Message): Future[bool] {.async.} =
if topic == "foo":
result = true
else:
result = false
nodes[1].addValidator("foo", "bar", validator)
await nodes[0].publish("foo", cast[seq[byte]]("Hello!"))
await nodes[0].publish("bar", cast[seq[byte]]("Hello!"))
await all(nodes[0].stop(), nodes[1].stop())
await all(awaiters)
result = true
check:
waitFor(runTests()) == true
test "FloodSub multiple peers, no self trigger":
proc runTests(): Future[bool] {.async.} =
var runs = 10
var futs = newSeq[(Future[void], TopicHandler, ref int)](runs)
for i in 0..<runs:
closureScope:
var
fut = newFuture[void]()
counter = new int
futs[i] = (
fut,
(proc(topic: string, data: seq[byte]) {.async, gcsafe.} =
check topic == "foobar"
inc counter[]
if counter[] == runs - 1:
fut.complete()),
counter
)
var nodes: seq[Switch] = newSeq[Switch]()
for i in 0..<runs:
nodes.add newStandardSwitch()
var awaitters: seq[Future[void]]
for i in 0..<runs:
awaitters.add(await nodes[i].start())
await subscribeNodes(nodes)
for i in 0..<runs:
await nodes[i].subscribe("foobar", futs[i][1])
var subs: seq[Future[void]]
for i in 0..<runs:
for y in 0..<runs:
if y != i:
subs &= waitSub(nodes[i], nodes[y], "foobar")
await all(subs)
var pubs: seq[Future[void]]
for i in 0..<runs:
pubs &= nodes[i].publish("foobar", cast[seq[byte]]("Hello!"))
await all(pubs)
await all(futs.mapIt(it[0]))
await all(nodes.mapIt(it.stop()))
await all(awaitters)
result = true
check:
waitFor(runTests()) == true
test "FloodSub multiple peers, with self trigger":
proc runTests(): Future[bool] {.async.} =
var runs = 10
var futs = newSeq[(Future[void], TopicHandler, ref int)](runs)
for i in 0..<runs:
closureScope:
var
fut = newFuture[void]()
counter = new int
futs[i] = (
fut,
(proc(topic: string, data: seq[byte]) {.async, gcsafe.} =
check topic == "foobar"
inc counter[]
if counter[] == runs:
fut.complete()),
counter
)
var nodes: seq[Switch] = newSeq[Switch]()
for i in 0..<runs:
nodes.add newStandardSwitch(triggerSelf = true)
var awaitters: seq[Future[void]]
for i in 0..<runs:
awaitters.add(await nodes[i].start())
await subscribeNodes(nodes)
for i in 0..<runs:
await nodes[i].subscribe("foobar", futs[i][1])
var subs: seq[Future[void]]
for i in 0..<runs:
for y in 0..<runs:
if y != i:
subs &= waitSub(nodes[i], nodes[y], "foobar")
await all(subs)
var pubs: seq[Future[void]]
for i in 0..<runs:
pubs &= nodes[i].publish("foobar", cast[seq[byte]]("Hello!"))
await all(pubs)
await all(futs.mapIt(it[0]))
await all(nodes.mapIt(it.stop()))
await all(awaitters)
result = true
check:
waitFor(runTests()) == true