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test for openned/closed resource

This commit is contained in:
Dmitriy Ryajov 2020-05-23 13:26:25 -06:00
parent 6e0eb93d4f
commit a4277cf39a
1 changed files with 77 additions and 54 deletions
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117
tests/testswitch.nim
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@ -2,11 +2,12 @@
import unittest, tables import unittest, tables
import chronos import chronos
import chronicles import stew/byteutils
import nimcrypto/sysrand import nimcrypto/sysrand
import ../libp2p/[errors, import ../libp2p/[errors,
switch, switch,
multistream, multistream,
standard_setup,
stream/bufferstream, stream/bufferstream,
protocols/identify, protocols/identify,
connection, connection,
@ -30,25 +31,6 @@ const
type type
TestProto = ref object of LPProtocol TestProto = ref object of LPProtocol
proc createSwitch(ma: MultiAddress): (Switch, PeerInfo) =
var peerInfo: PeerInfo = PeerInfo.init(PrivateKey.random(ECDSA).tryGet())
peerInfo.addrs.add(ma)
let identify = newIdentify(peerInfo)
proc createMplex(conn: Connection): Muxer =
result = newMplex(conn)
let mplexProvider = newMuxerProvider(createMplex, MplexCodec)
let transports = @[Transport(TcpTransport.init())]
let muxers = [(MplexCodec, mplexProvider)].toTable()
let secureManagers = [Secure(newSecio(peerInfo.privateKey))]
let switch = newSwitch(peerInfo,
transports,
identify,
muxers,
secureManagers)
result = (switch, peerInfo)
suite "Switch": suite "Switch":
teardown: teardown:
for tracker in testTrackers(): for tracker in testTrackers():
@ -57,42 +39,53 @@ suite "Switch":
test "e2e use switch dial proto string": test "e2e use switch dial proto string":
proc testSwitch() {.async, gcsafe.} = proc testSwitch() {.async, gcsafe.} =
let ma1: MultiAddress = Multiaddress.init("/ip4/0.0.0.0/tcp/0").tryGet()
let ma2: MultiAddress = Multiaddress.init("/ip4/0.0.0.0/tcp/0").tryGet()
var peerInfo1, peerInfo2: PeerInfo
var switch1, switch2: Switch
var awaiters: seq[Future[void]]
(switch1, peerInfo1) = createSwitch(ma1)
let done = newFuture[void]() let done = newFuture[void]()
proc handle(conn: Connection, proto: string) {.async, gcsafe.} = proc handle(conn: Connection, proto: string) {.async, gcsafe.} =
let msg = cast[string](await conn.readLp(1024)) try:
let msg = string.fromBytes(await conn.readLp(1024))
check "Hello!" == msg check "Hello!" == msg
await conn.writeLp("Hello!") await conn.writeLp("Hello!")
finally:
await conn.close() await conn.close()
done.complete() done.complete()
let testProto = new TestProto let testProto = new TestProto
testProto.codec = TestCodec testProto.codec = TestCodec
testProto.handler = handle testProto.handler = handle
let switch1 = newStandardSwitch()
switch1.mount(testProto) switch1.mount(testProto)
(switch2, peerInfo2) = createSwitch(ma2) let switch2 = newStandardSwitch()
var awaiters: seq[Future[void]]
awaiters.add(await switch1.start()) awaiters.add(await switch1.start())
awaiters.add(await switch2.start()) awaiters.add(await switch2.start())
let conn = await switch2.dial(switch1.peerInfo, TestCodec) let conn = await switch2.dial(switch1.peerInfo, TestCodec)
await conn.writeLp("Hello!") await conn.writeLp("Hello!")
let msg = cast[string](await conn.readLp(1024)) let msg = string.fromBytes(await conn.readLp(1024))
check "Hello!" == msg check "Hello!" == msg
await conn.close()
await sleepAsync(2.seconds) # wait a little for cleanup to happen
var bufferTracker = getTracker(BufferStreamTrackerName)
# echo bufferTracker.dump()
# plus 4 for the pubsub streams
check (BufferStreamTracker(bufferTracker).opened ==
(BufferStreamTracker(bufferTracker).closed + 4.uint64))
var connTracker = getTracker(ConnectionTrackerName)
# echo connTracker.dump()
# plus 8 is for the secured connection and the socket
# and the pubsub streams that won't clean up until
# `disconnect()` or `stop()`
check (ConnectionTracker(connTracker).opened ==
(ConnectionTracker(connTracker).closed + 8.uint64))
await all( await all(
done.wait(5.seconds) #[if OK won't happen!!]#, done.wait(5.seconds), #[if OK won't happen!!]#
conn.close(),
switch1.stop(), switch1.stop(),
switch2.stop(), switch2.stop(),
) )
@ -102,37 +95,37 @@ suite "Switch":
waitFor(testSwitch()) waitFor(testSwitch())
test "e2e use switch no proto string": test "e2e use connect then dial":
proc testSwitch(): Future[bool] {.async, gcsafe.} = 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
var awaiters: seq[Future[void]] var awaiters: seq[Future[void]]
(switch1, peerInfo1) = createSwitch(ma1)
proc handle(conn: Connection, proto: string) {.async, gcsafe.} = proc handle(conn: Connection, proto: string) {.async, gcsafe.} =
let msg = cast[string](await conn.readLp(1024)) try:
let msg = string.fromBytes(await conn.readLp(1024))
check "Hello!" == msg check "Hello!" == msg
finally:
await conn.writeLp("Hello!") await conn.writeLp("Hello!")
await conn.close() await conn.close()
let testProto = new TestProto let testProto = new TestProto
testProto.codec = TestCodec testProto.codec = TestCodec
testProto.handler = handle testProto.handler = handle
let switch1 = newStandardSwitch()
switch1.mount(testProto) switch1.mount(testProto)
(switch2, peerInfo2) = createSwitch(ma2) let switch2 = newStandardSwitch()
awaiters.add(await switch1.start()) awaiters.add(await switch1.start())
awaiters.add(await switch2.start()) awaiters.add(await switch2.start())
await switch2.connect(switch1.peerInfo) await switch2.connect(switch1.peerInfo)
check switch1.peerInfo.id in switch2.connections
let conn = await switch2.dial(switch1.peerInfo, TestCodec) let conn = await switch2.dial(switch1.peerInfo, TestCodec)
try: try:
await conn.writeLp("Hello!") await conn.writeLp("Hello!")
let msg = cast[string](await conn.readLp(1024)) let msg = string.fromBytes(await conn.readLp(1024))
check "Hello!" == msg check "Hello!" == msg
result = true result = true
except LPStreamError: except LPStreamError:
@ -148,6 +141,36 @@ suite "Switch":
check: check:
waitFor(testSwitch()) == true waitFor(testSwitch()) == true
test "e2e should not leak on peer disconnect":
proc testSwitch() {.async, gcsafe.} =
var awaiters: seq[Future[void]]
let switch1 = newStandardSwitch()
let switch2 = newStandardSwitch()
awaiters.add(await switch1.start())
awaiters.add(await switch2.start())
await switch2.connect(switch1.peerInfo)
await sleepAsync(100.millis)
await switch2.disconnect(switch1.peerInfo)
await sleepAsync(2.seconds)
var bufferTracker = getTracker(BufferStreamTrackerName)
# echo bufferTracker.dump()
check bufferTracker.isLeaked() == false
var connTracker = getTracker(ConnectionTrackerName)
# echo connTracker.dump()
check connTracker.isLeaked() == false
await all(
switch1.stop(),
switch2.stop()
)
await all(awaiters)
waitFor(testSwitch())
# test "e2e: handle read + secio fragmented": # test "e2e: handle read + secio fragmented":
# proc testListenerDialer(): Future[bool] {.async.} = # proc testListenerDialer(): Future[bool] {.async.} =
# let # let