314 lines
8.9 KiB
Nim
314 lines
8.9 KiB
Nim
## Nim-Libp2p
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## Copyright (c) 2018 Status Research & Development GmbH
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## Licensed under either of
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## * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE))
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## * MIT license ([LICENSE-MIT](LICENSE-MIT))
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## at your option.
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## This file may not be copied, modified, or distributed except according to
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## those terms.
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{.used.}
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import unittest, sequtils, options, tables, sets
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import chronos
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import utils,
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../../libp2p/[errors,
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switch,
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connection,
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stream/bufferstream,
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crypto/crypto,
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protocols/pubsub/pubsub,
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protocols/pubsub/floodsub,
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protocols/pubsub/rpc/messages,
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protocols/pubsub/rpc/message]
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import ../helpers
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proc waitSub(sender, receiver: auto; key: string) {.async, gcsafe.} =
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# turn things deterministic
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# this is for testing purposes only
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var ceil = 15
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let fsub = cast[FloodSub](sender.pubSub.get())
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while not fsub.floodsub.hasKey(key) or
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not fsub.floodsub[key].contains(receiver.peerInfo.id):
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await sleepAsync(100.millis)
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dec ceil
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doAssert(ceil > 0, "waitSub timeout!")
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suite "FloodSub":
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teardown:
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for tracker in testTrackers():
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# echo tracker.dump()
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check tracker.isLeaked() == false
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test "FloodSub basic publish/subscribe A -> B":
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proc runTests(): Future[bool] {.async.} =
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var completionFut = newFuture[bool]()
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proc handler(topic: string, data: seq[byte]) {.async, gcsafe.} =
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check topic == "foobar"
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completionFut.complete(true)
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let
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nodes = generateNodes(2)
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nodesFut = await all(
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nodes[0].start(),
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nodes[1].start()
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)
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await subscribeNodes(nodes)
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await nodes[1].subscribe("foobar", handler)
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await waitSub(nodes[0], nodes[1], "foobar")
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await nodes[0].publish("foobar", cast[seq[byte]]("Hello!"))
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result = await completionFut.wait(5.seconds)
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await all(
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nodes[0].stop(),
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nodes[1].stop()
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)
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await all(nodesFut.concat())
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check:
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waitFor(runTests()) == true
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test "FloodSub basic publish/subscribe B -> A":
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proc runTests(): Future[bool] {.async.} =
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var completionFut = newFuture[bool]()
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proc handler(topic: string, data: seq[byte]) {.async, gcsafe.} =
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check topic == "foobar"
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completionFut.complete(true)
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var nodes = generateNodes(2)
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var awaiters: seq[Future[void]]
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awaiters.add((await nodes[0].start()))
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awaiters.add((await nodes[1].start()))
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await subscribeNodes(nodes)
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await nodes[0].subscribe("foobar", handler)
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await waitSub(nodes[1], nodes[0], "foobar")
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await nodes[1].publish("foobar", cast[seq[byte]]("Hello!"))
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result = await completionFut.wait(5.seconds)
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await all(nodes[0].stop(), nodes[1].stop())
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await all(awaiters)
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check:
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waitFor(runTests()) == true
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test "FloodSub validation should succeed":
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proc runTests(): Future[bool] {.async.} =
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var handlerFut = newFuture[bool]()
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proc handler(topic: string, data: seq[byte]) {.async, gcsafe.} =
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check topic == "foobar"
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handlerFut.complete(true)
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var nodes = generateNodes(2)
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var awaiters: seq[Future[void]]
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awaiters.add((await nodes[0].start()))
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awaiters.add((await nodes[1].start()))
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await subscribeNodes(nodes)
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await nodes[1].subscribe("foobar", handler)
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await waitSub(nodes[0], nodes[1], "foobar")
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var validatorFut = newFuture[bool]()
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proc validator(topic: string,
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message: Message): Future[bool] {.async.} =
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check topic == "foobar"
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validatorFut.complete(true)
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result = true
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nodes[1].addValidator("foobar", validator)
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await nodes[0].publish("foobar", cast[seq[byte]]("Hello!"))
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check (await handlerFut) == true
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await all(nodes[0].stop(), nodes[1].stop())
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await all(awaiters)
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result = true
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check:
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waitFor(runTests()) == true
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test "FloodSub validation should fail":
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proc runTests(): Future[bool] {.async.} =
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proc handler(topic: string, data: seq[byte]) {.async, gcsafe.} =
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check false # if we get here, it should fail
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var nodes = generateNodes(2)
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var awaiters: seq[Future[void]]
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awaiters.add((await nodes[0].start()))
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awaiters.add((await nodes[1].start()))
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await subscribeNodes(nodes)
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await nodes[1].subscribe("foobar", handler)
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await waitSub(nodes[0], nodes[1], "foobar")
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var validatorFut = newFuture[bool]()
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proc validator(topic: string,
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message: Message): Future[bool] {.async.} =
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validatorFut.complete(true)
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result = false
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nodes[1].addValidator("foobar", validator)
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await nodes[0].publish("foobar", cast[seq[byte]]("Hello!"))
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await all(nodes[0].stop(), nodes[1].stop())
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await all(awaiters)
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result = true
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check:
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waitFor(runTests()) == true
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test "FloodSub validation one fails and one succeeds":
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proc runTests(): Future[bool] {.async.} =
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var handlerFut = newFuture[bool]()
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proc handler(topic: string, data: seq[byte]) {.async, gcsafe.} =
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check topic == "foo"
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handlerFut.complete(true)
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var nodes = generateNodes(2)
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var awaiters: seq[Future[void]]
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awaiters.add((await nodes[0].start()))
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awaiters.add((await nodes[1].start()))
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await subscribeNodes(nodes)
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await nodes[1].subscribe("foo", handler)
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await waitSub(nodes[0], nodes[1], "foo")
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await nodes[1].subscribe("bar", handler)
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await waitSub(nodes[0], nodes[1], "bar")
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proc validator(topic: string,
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message: Message): Future[bool] {.async.} =
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if topic == "foo":
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result = true
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else:
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result = false
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nodes[1].addValidator("foo", "bar", validator)
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await nodes[0].publish("foo", cast[seq[byte]]("Hello!"))
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await nodes[0].publish("bar", cast[seq[byte]]("Hello!"))
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await all(nodes[0].stop(), nodes[1].stop())
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await all(awaiters)
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result = true
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check:
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waitFor(runTests()) == true
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test "FloodSub multiple peers, no self trigger":
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proc runTests(): Future[bool] {.async.} =
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var runs = 10
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var futs = newSeq[(Future[void], TopicHandler, ref int)](runs)
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for i in 0..<runs:
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closureScope:
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var
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fut = newFuture[void]()
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counter = new int
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futs[i] = (
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fut,
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(proc(topic: string, data: seq[byte]) {.async, gcsafe.} =
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check topic == "foobar"
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inc counter[]
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if counter[] == runs - 1:
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fut.complete()),
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counter
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)
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var nodes: seq[Switch] = newSeq[Switch]()
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for i in 0..<runs:
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nodes.add newStandardSwitch()
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var awaitters: seq[Future[void]]
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for i in 0..<runs:
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awaitters.add(await nodes[i].start())
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await subscribeNodes(nodes)
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for i in 0..<runs:
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await nodes[i].subscribe("foobar", futs[i][1])
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var subs: seq[Future[void]]
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for i in 0..<runs:
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for y in 0..<runs:
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if y != i:
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subs &= waitSub(nodes[i], nodes[y], "foobar")
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await all(subs)
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var pubs: seq[Future[void]]
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for i in 0..<runs:
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pubs &= nodes[i].publish("foobar", cast[seq[byte]]("Hello!"))
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await all(pubs)
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await all(futs.mapIt(it[0]))
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await all(nodes.mapIt(it.stop()))
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await all(awaitters)
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result = true
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check:
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waitFor(runTests()) == true
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test "FloodSub multiple peers, with self trigger":
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proc runTests(): Future[bool] {.async.} =
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var runs = 10
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var futs = newSeq[(Future[void], TopicHandler, ref int)](runs)
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for i in 0..<runs:
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closureScope:
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var
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fut = newFuture[void]()
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counter = new int
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futs[i] = (
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fut,
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(proc(topic: string, data: seq[byte]) {.async, gcsafe.} =
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check topic == "foobar"
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inc counter[]
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if counter[] == runs:
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fut.complete()),
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counter
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)
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var nodes: seq[Switch] = newSeq[Switch]()
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for i in 0..<runs:
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nodes.add newStandardSwitch(triggerSelf = true)
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var awaitters: seq[Future[void]]
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for i in 0..<runs:
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awaitters.add(await nodes[i].start())
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await subscribeNodes(nodes)
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for i in 0..<runs:
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await nodes[i].subscribe("foobar", futs[i][1])
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var subs: seq[Future[void]]
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for i in 0..<runs:
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for y in 0..<runs:
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if y != i:
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subs &= waitSub(nodes[i], nodes[y], "foobar")
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await all(subs)
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var pubs: seq[Future[void]]
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for i in 0..<runs:
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pubs &= nodes[i].publish("foobar", cast[seq[byte]]("Hello!"))
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await all(pubs)
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await all(futs.mapIt(it[0]))
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await all(nodes.mapIt(it.stop()))
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await all(awaitters)
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result = true
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check:
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waitFor(runTests()) == true
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