nim-libp2p/tests/testmultistreamselect.nim

59 lines
1.7 KiB
Nim

import unittest, strutils, sequtils
import chronos
import ../libp2p/connection, ../libp2p/multistreamselect,
../libp2p/readerwriter, ../libp2p/connection
# custom select stream
type
TestStream = ref object of ReadWrite
step*: int
method readExactly*(s: TestStream, pbytes: pointer, nbytes: int): Future[void] {.async.} =
case s.step:
of 1:
var buf = newSeq[byte](1)
buf[0] = 19
copyMem(cast[pointer](cast[uint](pbytes)), addr buf[0], buf.len())
s.step = 2
of 2:
var buf = MultiCodec
copyMem(cast[pointer](cast[uint](pbytes)), addr buf[0], buf.len())
s.step = 3
of 3:
var buf = newSeq[byte](1)
buf[0] = 18
copyMem(cast[pointer](cast[uint](pbytes)), addr buf[0], buf.len())
s.step = 4
of 4:
var buf = "/test/proto/1.0.0\n"
copyMem(cast[pointer](cast[uint](pbytes)), addr buf[0], buf.len())
else:
copyMem(cast[pointer](cast[uint](pbytes)), cstring("\0x3na\n"), "\0x3na\n".len())
proc newTestStream(): TestStream =
new result
result.step = 1
suite "Multistream select":
test "test select":
proc testSelect(): Future[bool] {.async.} =
let ms = newMultistream()
let conn = newConnection(newTestStream())
result = await ms.select(conn, "/test/proto/1.0.0")
check:
waitFor(testSelect()) == true
# test "test handle":
# proc testHandle(): Future[bool] {.async.} =
# let ms = newMultistream()
# let conn = newConnection(newTestStream())
# proc testHandler(conn: Connection, proto: string): Future[void] =
# check proto == "/test/proto/1.0.0"
# ms.addHandler("/test/proto/1.0.0", testHandler)
# await ms.handle(conn)
# check:
# waitFor(testHandle()) == true