291 lines
8.7 KiB
Nim
291 lines
8.7 KiB
Nim
import unittest, strutils, sequtils, sugar
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import chronos
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import ../libp2p/connection, ../libp2p/multistreamselect,
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../libp2p/stream, ../libp2p/connection, ../libp2p/multiaddress,
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../libp2p/transport, ../libp2p/tcptransport
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## Mock stream for select test
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type
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TestSelectStream = ref object of LPStream
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step*: int
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method readExactly*(s: TestSelectStream,
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pbytes: pointer,
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nbytes: int): Future[void] {.async.} =
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case s.step:
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of 1:
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var buf = newSeq[byte](1)
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buf[0] = 19
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copyMem(cast[pointer](cast[uint](pbytes)), addr buf[0], buf.len())
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s.step = 2
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of 2:
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var buf = "/multistream/1.0.0\n"
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copyMem(cast[pointer](cast[uint](pbytes)), addr buf[0], buf.len())
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s.step = 3
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of 3:
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var buf = newSeq[byte](1)
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buf[0] = 18
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copyMem(cast[pointer](cast[uint](pbytes)), addr buf[0], buf.len())
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s.step = 4
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of 4:
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var buf = "/test/proto/1.0.0\n"
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copyMem(cast[pointer](cast[uint](pbytes)), addr buf[0], buf.len())
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else:
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copyMem(cast[pointer](cast[uint](pbytes)),
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cstring("\0x3na\n"),
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"\0x3na\n".len())
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proc newTestSelectStream(): TestSelectStream =
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new result
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result.step = 1
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## Mock stream for handles test
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type
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TestHandlesStream = ref object of LPStream
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step*: int
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method readExactly*(s: TestHandlesStream,
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pbytes: pointer,
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nbytes: int): Future[void] {.async.} =
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case s.step:
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of 1:
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var buf = newSeq[byte](1)
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buf[0] = 19
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copyMem(cast[pointer](cast[uint](pbytes)), addr buf[0], buf.len())
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s.step = 2
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of 2:
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var buf = "/multistream/1.0.0\n"
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copyMem(cast[pointer](cast[uint](pbytes)), addr buf[0], buf.len())
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s.step = 3
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of 3:
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var buf = newSeq[byte](1)
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buf[0] = 18
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copyMem(cast[pointer](cast[uint](pbytes)), addr buf[0], buf.len())
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s.step = 4
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of 4:
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var buf = "/test/proto/1.0.0\n"
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copyMem(cast[pointer](cast[uint](pbytes)), addr buf[0], buf.len())
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else:
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copyMem(cast[pointer](cast[uint](pbytes)),
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cstring("\0x3na\n"),
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"\0x3na\n".len())
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proc newTestHandlesStream(): TestHandlesStream =
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new result
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result.step = 1
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## Mock stream for handles `ls` test
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type
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LsHandler = proc(procs: seq[byte]): Future[void]
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TestLsStream = ref object of LPStream
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step*: int
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ls*: LsHandler
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method readExactly*(s: TestLsStream,
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pbytes: pointer,
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nbytes: int): Future[void] {.async.} =
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case s.step:
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of 1:
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var buf = newSeq[byte](1)
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buf[0] = 19
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copyMem(cast[pointer](cast[uint](pbytes)), addr buf[0], buf.len())
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s.step = 2
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of 2:
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var buf = "/multistream/1.0.0\n"
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copyMem(cast[pointer](cast[uint](pbytes)), addr buf[0], buf.len())
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s.step = 3
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of 3:
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var buf = newSeq[byte](1)
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buf[0] = 3
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copyMem(cast[pointer](cast[uint](pbytes)), addr buf[0], buf.len())
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s.step = 4
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of 4:
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var buf = "ls\n"
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copyMem(cast[pointer](cast[uint](pbytes)), addr buf[0], buf.len())
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else:
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copyMem(cast[pointer](cast[uint](pbytes)),
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cstring("\0x3na\n"),
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"\0x3na\n".len())
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method write*(s: TestLsStream, msg: seq[byte], msglen = -1) {.async.} =
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if s.step == 4:
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await s.ls(msg)
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proc newTestLsStream(ls: LsHandler): TestLsStream =
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new result
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result.ls = ls
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result.step = 1
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## Mock stream for handles `na` test
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type
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NaHandler = proc(procs: string): Future[void]
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TestNaStream = ref object of LPStream
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step*: int
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na*: NaHandler
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method readExactly*(s: TestNaStream,
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pbytes: pointer,
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nbytes: int): Future[void] {.async.} =
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case s.step:
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of 1:
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var buf = newSeq[byte](1)
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buf[0] = 19
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copyMem(cast[pointer](cast[uint](pbytes)), addr buf[0], buf.len())
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s.step = 2
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of 2:
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var buf = "/multistream/1.0.0\n"
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copyMem(cast[pointer](cast[uint](pbytes)), addr buf[0], buf.len())
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s.step = 3
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of 3:
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var buf = newSeq[byte](1)
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buf[0] = 18
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copyMem(cast[pointer](cast[uint](pbytes)), addr buf[0], buf.len())
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s.step = 4
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of 4:
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var buf = "/test/proto/1.0.0\n"
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copyMem(cast[pointer](cast[uint](pbytes)), addr buf[0], buf.len())
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else:
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copyMem(cast[pointer](cast[uint](pbytes)),
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cstring("\0x3na\n"),
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"\0x3na\n".len())
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method write*(s: TestNaStream, msg: string, msglen = -1) {.async.} =
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if s.step == 4:
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await s.na(msg)
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proc newTestNaStream(na: NaHandler): TestNaStream =
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new result
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result.na = na
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result.step = 1
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suite "Multistream select":
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test "test select custom proto":
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proc testSelect(): Future[bool] {.async.} =
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let ms = newMultistream()
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let conn = newConnection(newTestSelectStream())
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result = await ms.select(conn, "/test/proto/1.0.0")
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check:
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waitFor(testSelect()) == true
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test "test handle custom proto":
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proc testHandle(): Future[bool] {.async.} =
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let ms = newMultistream()
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let conn = newConnection(newTestHandlesStream())
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proc testHandler(conn: Connection,
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proto: string): Future[void] {.async.} =
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check proto == "/test/proto/1.0.0"
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ms.addHandler("/test/proto/1.0.0", testHandler)
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await ms.handle(conn)
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result = true
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check:
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waitFor(testHandle()) == true
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test "test handle `ls`":
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proc testLs(): Future[bool] {.async.} =
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let ms = newMultistream()
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proc testLs(proto: seq[byte]): Future[void] {.async.}
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let conn = newConnection(newTestLsStream(testLs))
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proc testLs(proto: seq[byte]): Future[void] {.async.} =
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var strProto: string = cast[string](proto)
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check strProto == "\x26/test/proto1/1.0.0\n/test/proto2/1.0.0\n"
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await conn.close()
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proc testHandler(conn: Connection,
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proto: string): Future[void] {.async.} = discard
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ms.addHandler("/test/proto1/1.0.0", testHandler)
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ms.addHandler("/test/proto2/1.0.0", testHandler)
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await ms.handle(conn)
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result = true
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check:
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waitFor(testLs()) == true
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test "test handle `na`":
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proc testNa(): Future[bool] {.async.} =
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let ms = newMultistream()
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proc testNa(msg: string): Future[void] {.async.}
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let conn = newConnection(newTestNaStream(testNa))
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proc testNa(msg: string): Future[void] {.async.} =
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check cast[string](msg) == "\x3na\n"
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await conn.close()
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proc testHandler(conn: Connection,
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proto: string): Future[void] {.async.} = discard
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ms.addHandler("/unabvailable/proto/1.0.0", testHandler)
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await ms.handle(conn)
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result = true
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check:
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waitFor(testNa()) == true
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test "e2e - handle":
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proc endToEnd(): Future[bool] {.async.} =
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let ma: MultiAddress = Multiaddress.init("/ip4/127.0.0.1/tcp/53340")
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proc testHandler(conn: Connection,
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proto: string): Future[void] {.async.} =
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check proto == "/test/proto/1.0.0"
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await conn.writeLp("Hello!")
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await conn.close()
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let msListen = newMultistream()
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msListen.addHandler("/test/proto/1.0.0", testHandler)
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proc connHandler(conn: Connection): Future[void] {.async, gcsafe.} =
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await msListen.handle(conn)
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let transport1: TcpTransport = newTransport(TcpTransport)
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await transport1.listen(ma, connHandler)
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let msDial = newMultistream()
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let transport2: TcpTransport = newTransport(TcpTransport)
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let conn = await transport2.dial(ma)
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let res = await msDial.select(conn, "/test/proto/1.0.0")
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check res == true
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let hello = cast[string](await conn.readLp())
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result = hello == "Hello!"
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await conn.close()
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check:
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waitFor(endToEnd()) == true
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test "e2e - ls":
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proc endToEnd(): Future[bool] {.async.} =
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let ma: MultiAddress = Multiaddress.init("/ip4/127.0.0.1/tcp/53341")
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let msListen = newMultistream()
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proc testHandler(conn: Connection,
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proto: string): Future[void] {.async.} = discard
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msListen.addHandler("/test/proto1/1.0.0", testHandler)
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msListen.addHandler("/test/proto2/1.0.0", testHandler)
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let transport1: TcpTransport = newTransport(TcpTransport)
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proc connHandler(conn: Connection): Future[void] {.async, gcsafe.} =
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await msListen.handle(conn)
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await transport1.listen(ma, connHandler)
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let msDial = newMultistream()
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let transport2: TcpTransport = newTransport(TcpTransport)
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let conn = await transport2.dial(ma)
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let ls = await msDial.list(conn)
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let protos: seq[string] = @["/test/proto1/1.0.0", "/test/proto2/1.0.0"]
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await conn.close()
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result = ls == protos
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check:
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waitFor(endToEnd()) == true
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