# Chronos Test Suite # (c) Copyright 2019-Present # Status Research & Development GmbH # # Licensed under either of # Apache License, version 2.0, (LICENSE-APACHEv2) # MIT license (LICENSE-MIT) import unittest import ../chronos import ../chronos/streams/[tlsstream, chunkstream, boundstream] when defined(nimHasUsed): {.used.} # To create self-signed certificate and key you can use openssl # openssl req -new -x509 -sha256 -newkey rsa:2048 -nodes \ # -keyout example-com.key.pem -days 3650 -out example-com.cert.pem const SelfSignedRsaKey = """ -----BEGIN PRIVATE KEY----- MIIEvgIBADANBgkqhkiG9w0BAQEFAASCBKgwggSkAgEAAoIBAQCn7tXGLKMIMzOG tVzUixax1/ftlSLcpEAkZMORuiCCnYjtIJhGZdzRFZC8fBlfAJZpLIAOfX2L2f1J ZuwpwDkOIvNqKMBrl5Mvkl5azPT0rtnjuwrcqN5NFtbmZPKFYvbjex2aXGqjl5MW nQIs/ZA++DVEXmaN9oDxcZsvRMDKfrGQf9iLeoVL47Gx9KpqNqD/JLIn4LpieumV yYidm6ukTOqHRvrWm36y6VvKW4TE97THacULmkeahtTf8zDJbbh4EO+gifgwgJ2W BUS0+5hMcWu8111mXmanlOVlcoW8fH8RmPjL1eK1Z3j3SVHEf7oWZtIVW5gGA0jQ nfA4K51RAgMBAAECggEANZ7/R13tWKrwouy6DWuz/WlWUtgx333atUQvZhKmWs5u cDjeJmxUC7b1FhoSB9GqNT7uTLIpKkSaqZthgRtNnIPwcU890Zz+dEwqMJgNByvl it+oYjjRco/+YmaNQaYN6yjelPE5Y678WlYb4b29Fz4t0/zIhj/VgEKkKH2tiXpS TIicoM7pSOscEUfaW3yp5bS5QwNU6/AaF1wws0feBACd19ZkcdPvr52jopbhxlXw h3XTV/vXIJd5zWGp0h/Jbd4xcD4MVo2GjfkeORKY6SjDaNzt8OGtePcKnnbUVu8b 2XlDxukhDQXqJ3g0sHz47mhvo4JeIM+FgymRm+3QmQKBgQDTawrEA3Zy9WvucaC7 Zah02oE9nuvpF12lZ7WJh7+tZ/1ss+Fm7YspEKaUiEk7nn1CAVFtem4X4YCXTBiC Oqq/o+ipv1yTur0ae6m4pwLm5wcMWBh3H5zjfQTfrClNN8yjWv8u3/sq8KesHPnT R92/sMAptAChPgTzQphWbxFiYwKBgQDLWFaBqXfZYVnTyUvKX8GorS6jGWc6Eh4l lAFA+2EBWDICrUxsDPoZjEXrWCixdqLhyehaI3KEFIx2bcPv6X2c7yx3IG5lA/Gx TZiKlY74c6jOTstkdLW9RJbg1VUHUVZMf/Owt802YmEfUI5S5v7jFmKW6VG+io+K +5KYeHD1uwKBgQDMf53KPA82422jFwYCPjLT1QduM2q97HwIomhWv5gIg63+l4BP rzYMYq6+vZUYthUy41OAMgyLzPQ1ZMXQMi83b7R9fTxvKRIBq9xfYCzObGnE5vHD SDDZWvR75muM5Yxr9nkfPkgVIPMO6Hg+hiVYZf96V0LEtNjU9HWmJYkLQQKBgQCQ ULGUdGHKtXy7AjH3/t3CiKaAupa4cANVSCVbqQy/l4hmvfdu+AbH+vXkgTzgNgKD nHh7AI1Vj//gTSayLlQn/Nbh9PJkXtg5rYiFUn+VdQBo6yMOuIYDPZqXFtCx0Nge kvCwisHpxwiG4PUhgS+Em259DDonsM8PJFx2OYRx4QKBgEQpGhg71Oi9MhPJshN7 dYTowaMS5eLTk2264ARaY+hAIV7fgvUa+5bgTVaWL+Cfs33hi4sMRqlEwsmfds2T cnQiJ4cU20Euldfwa5FLnk6LaWdOyzYt/ICBJnKFRwfCUbS4Bu5rtMEM+3t0wxnJ IgaD04WhoL9EX0Qo3DC1+0kG -----END PRIVATE KEY----- """ # This SSL certificate will expire 13 October 2030. const SelfSignedRsaCert = """ -----BEGIN CERTIFICATE----- MIIDnzCCAoegAwIBAgIUUdcusjDd3XQi3FPM8urdFG3qI+8wDQYJKoZIhvcNAQEL BQAwXzELMAkGA1UEBhMCQVUxEzARBgNVBAgMClNvbWUtU3RhdGUxITAfBgNVBAoM GEludGVybmV0IFdpZGdpdHMgUHR5IEx0ZDEYMBYGA1UEAwwPMTI3LjAuMC4xOjQz ODA4MB4XDTIwMTAxMjIxNDUwMVoXDTMwMTAxMDIxNDUwMVowXzELMAkGA1UEBhMC QVUxEzARBgNVBAgMClNvbWUtU3RhdGUxITAfBgNVBAoMGEludGVybmV0IFdpZGdp dHMgUHR5IEx0ZDEYMBYGA1UEAwwPMTI3LjAuMC4xOjQzODA4MIIBIjANBgkqhkiG 9w0BAQEFAAOCAQ8AMIIBCgKCAQEAp+7VxiyjCDMzhrVc1IsWsdf37ZUi3KRAJGTD kboggp2I7SCYRmXc0RWQvHwZXwCWaSyADn19i9n9SWbsKcA5DiLzaijAa5eTL5Je Wsz09K7Z47sK3KjeTRbW5mTyhWL243sdmlxqo5eTFp0CLP2QPvg1RF5mjfaA8XGb L0TAyn6xkH/Yi3qFS+OxsfSqajag/ySyJ+C6YnrplcmInZurpEzqh0b61pt+sulb yluExPe0x2nFC5pHmobU3/MwyW24eBDvoIn4MICdlgVEtPuYTHFrvNddZl5mp5Tl ZXKFvHx/EZj4y9XitWd490lRxH+6FmbSFVuYBgNI0J3wOCudUQIDAQABo1MwUTAd BgNVHQ4EFgQUBKha84woY5WkFxKw7qx1cONg1H8wHwYDVR0jBBgwFoAUBKha84wo Y5WkFxKw7qx1cONg1H8wDwYDVR0TAQH/BAUwAwEB/zANBgkqhkiG9w0BAQsFAAOC AQEAHZMYt9Ry+Xj3vTbzpGFQzYQVTJlfJWSN6eWNOivRFQE5io9kOBEe5noa8aLo dLkw6ztxRP2QRJmlhGCO9/HwS17ckrkgZp3EC2LFnzxcBmoZu+owfxOT1KqpO52O IKOl8eVohi1pEicE4dtTJVcpI7VCMovnXUhzx1Ci4Vibns4a6H+BQa19a1JSpifN tO8U5jkjJ8Jprs/VPFhJj2O3di53oDHaYSE5eOrm2ZO14KFHSk9cGcOGmcYkUv8B nV5vnGadH5Lvfxb/BCpuONabeRdOxMt9u9yQ89vNpxFtRdZDCpGKZBCfmUP+5m3m N8r5CwGcIX/XPC3lKazzbZ8baA== -----END CERTIFICATE----- """ suite "AsyncStream test suite": test "AsyncStream(StreamTransport) readExactly() test": proc testReadExactly(address: TransportAddress): Future[bool] {.async.} = proc serveClient(server: StreamServer, transp: StreamTransport) {.async.} = var wstream = newAsyncStreamWriter(transp) await wstream.write("000000000011111111112222222222") await wstream.finish() await wstream.closeWait() await transp.closeWait() server.stop() server.close() var buffer = newSeq[byte](10) var server = createStreamServer(address, serveClient, {ReuseAddr}) server.start() var transp = await connect(address) var rstream = newAsyncStreamReader(transp) await rstream.readExactly(addr buffer[0], 10) check cast[string](buffer) == "0000000000" await rstream.readExactly(addr buffer[0], 10) check cast[string](buffer) == "1111111111" await rstream.readExactly(addr buffer[0], 10) check cast[string](buffer) == "2222222222" await rstream.closeWait() await transp.closeWait() await server.join() result = true check waitFor(testReadExactly(initTAddress("127.0.0.1:46001"))) == true test "AsyncStream(StreamTransport) readUntil() test": proc testReadUntil(address: TransportAddress): Future[bool] {.async.} = proc serveClient(server: StreamServer, transp: StreamTransport) {.async.} = var wstream = newAsyncStreamWriter(transp) await wstream.write("0000000000NNz1111111111NNz2222222222NNz") await wstream.finish() await wstream.closeWait() await transp.closeWait() server.stop() server.close() var buffer = newSeq[byte](13) var sep = @[byte('N'), byte('N'), byte('z')] var server = createStreamServer(address, serveClient, {ReuseAddr}) server.start() var transp = await connect(address) var rstream = newAsyncStreamReader(transp) var r1 = await rstream.readUntil(addr buffer[0], len(buffer), sep) check: r1 == 13 cast[string](buffer) == "0000000000NNz" var r2 = await rstream.readUntil(addr buffer[0], len(buffer), sep) check: r2 == 13 cast[string](buffer) == "1111111111NNz" var r3 = await rstream.readUntil(addr buffer[0], len(buffer), sep) check: r3 == 13 cast[string](buffer) == "2222222222NNz" await rstream.closeWait() await transp.closeWait() await server.join() result = true check waitFor(testReadUntil(initTAddress("127.0.0.1:46001"))) == true test "AsyncStream(StreamTransport) readLine() test": proc testReadLine(address: TransportAddress): Future[bool] {.async.} = proc serveClient(server: StreamServer, transp: StreamTransport) {.async.} = var wstream = newAsyncStreamWriter(transp) await wstream.write("0000000000\r\n1111111111\r\n2222222222\r\n") await wstream.finish() await wstream.closeWait() await transp.closeWait() server.stop() server.close() var server = createStreamServer(address, serveClient, {ReuseAddr}) server.start() var transp = await connect(address) var rstream = newAsyncStreamReader(transp) var r1 = await rstream.readLine() check r1 == "0000000000" var r2 = await rstream.readLine() check r2 == "1111111111" var r3 = await rstream.readLine() check r3 == "2222222222" await rstream.closeWait() await transp.closeWait() await server.join() result = true check waitFor(testReadLine(initTAddress("127.0.0.1:46001"))) == true test "AsyncStream(StreamTransport) read() test": proc testRead(address: TransportAddress): Future[bool] {.async.} = proc serveClient(server: StreamServer, transp: StreamTransport) {.async.} = var wstream = newAsyncStreamWriter(transp) await wstream.write("000000000011111111112222222222") await wstream.finish() await wstream.closeWait() await transp.closeWait() server.stop() server.close() var server = createStreamServer(address, serveClient, {ReuseAddr}) server.start() var transp = await connect(address) var rstream = newAsyncStreamReader(transp) var buf1 = await rstream.read(10) check cast[string](buf1) == "0000000000" var buf2 = await rstream.read() check cast[string](buf2) == "11111111112222222222" await rstream.closeWait() await transp.closeWait() await server.join() result = true check waitFor(testRead(initTAddress("127.0.0.1:46001"))) == true test "AsyncStream(StreamTransport) consume() test": proc testConsume(address: TransportAddress): Future[bool] {.async.} = proc serveClient(server: StreamServer, transp: StreamTransport) {.async.} = var wstream = newAsyncStreamWriter(transp) await wstream.write("0000000000111111111122222222223333333333") await wstream.finish() await wstream.closeWait() await transp.closeWait() server.stop() server.close() var server = createStreamServer(address, serveClient, {ReuseAddr}) server.start() var transp = await connect(address) var rstream = newAsyncStreamReader(transp) var res1 = await rstream.consume(10) check: res1 == 10 var buf1 = await rstream.read(10) check cast[string](buf1) == "1111111111" var res2 = await rstream.consume(10) check: res2 == 10 var buf2 = await rstream.read(10) check cast[string](buf2) == "3333333333" await rstream.closeWait() await transp.closeWait() await server.join() result = true check waitFor(testConsume(initTAddress("127.0.0.1:46001"))) == true test "AsyncStream(StreamTransport) leaks test": check: getTracker("async.stream.reader").isLeaked() == false getTracker("async.stream.writer").isLeaked() == false getTracker("stream.server").isLeaked() == false getTracker("stream.transport").isLeaked() == false test "AsyncStream(AsyncStream) readExactly() test": proc testReadExactly2(address: TransportAddress): Future[bool] {.async.} = proc serveClient(server: StreamServer, transp: StreamTransport) {.async.} = var wstream = newAsyncStreamWriter(transp) var wstream2 = newChunkedStreamWriter(wstream) var s1 = "00000" var s2 = "11111" var s3 = "22222" await wstream2.write("00000") await wstream2.write(addr s1[0], len(s1)) await wstream2.write("11111") await wstream2.write(cast[seq[byte]](s2)) await wstream2.write("22222") await wstream2.write(addr s3[0], len(s3)) await wstream2.finish() await wstream.finish() await wstream2.closeWait() await wstream.closeWait() await transp.closeWait() server.stop() server.close() var buffer = newSeq[byte](10) var server = createStreamServer(address, serveClient, {ReuseAddr}) server.start() var transp = await connect(address) var rstream = newAsyncStreamReader(transp) var rstream2 = newChunkedStreamReader(rstream) await rstream2.readExactly(addr buffer[0], 10) check cast[string](buffer) == "0000000000" await rstream2.readExactly(addr buffer[0], 10) check cast[string](buffer) == "1111111111" await rstream2.readExactly(addr buffer[0], 10) check cast[string](buffer) == "2222222222" # We need to consume all the stream with finish markers, but there will # be no actual data. let left = await rstream2.consume() check: left == 0 rstream2.atEof() == true await rstream2.closeWait() await rstream.closeWait() await transp.closeWait() await server.join() result = true check waitFor(testReadExactly2(initTAddress("127.0.0.1:46001"))) == true test "AsyncStream(AsyncStream) readUntil() test": proc testReadUntil2(address: TransportAddress): Future[bool] {.async.} = proc serveClient(server: StreamServer, transp: StreamTransport) {.async.} = var wstream = newAsyncStreamWriter(transp) var wstream2 = newChunkedStreamWriter(wstream) var s1 = "00000NNz" var s2 = "11111NNz" var s3 = "22222NNz" await wstream2.write("00000") await wstream2.write(addr s1[0], len(s1)) await wstream2.write("11111") await wstream2.write(s2) await wstream2.write("22222") await wstream2.write(cast[seq[byte]](s3)) await wstream2.finish() await wstream.finish() await wstream2.closeWait() await wstream.closeWait() await transp.closeWait() server.stop() server.close() var buffer = newSeq[byte](13) var sep = @[byte('N'), byte('N'), byte('z')] var server = createStreamServer(address, serveClient, {ReuseAddr}) server.start() var transp = await connect(address) var rstream = newAsyncStreamReader(transp) var rstream2 = newChunkedStreamReader(rstream) var r1 = await rstream2.readUntil(addr buffer[0], len(buffer), sep) check: r1 == 13 cast[string](buffer) == "0000000000NNz" var r2 = await rstream2.readUntil(addr buffer[0], len(buffer), sep) check: r2 == 13 cast[string](buffer) == "1111111111NNz" var r3 = await rstream2.readUntil(addr buffer[0], len(buffer), sep) check: r3 == 13 cast[string](buffer) == "2222222222NNz" # We need to consume all the stream with finish markers, but there will # be no actual data. let left = await rstream2.consume() check: left == 0 rstream2.atEof() == true await rstream2.closeWait() await rstream.closeWait() await transp.closeWait() await server.join() result = true check waitFor(testReadUntil2(initTAddress("127.0.0.1:46001"))) == true test "AsyncStream(AsyncStream) readLine() test": proc testReadLine2(address: TransportAddress): Future[bool] {.async.} = proc serveClient(server: StreamServer, transp: StreamTransport) {.async.} = var wstream = newAsyncStreamWriter(transp) var wstream2 = newChunkedStreamWriter(wstream) await wstream2.write("00000") await wstream2.write("00000\r\n") await wstream2.write("11111") await wstream2.write("11111\r\n") await wstream2.write("22222") await wstream2.write("22222\r\n") await wstream2.finish() await wstream.finish() await wstream2.closeWait() await wstream.closeWait() await transp.closeWait() server.stop() server.close() var server = createStreamServer(address, serveClient, {ReuseAddr}) server.start() var transp = await connect(address) var rstream = newAsyncStreamReader(transp) var rstream2 = newChunkedStreamReader(rstream) var r1 = await rstream2.readLine() check r1 == "0000000000" var r2 = await rstream2.readLine() check r2 == "1111111111" var r3 = await rstream2.readLine() check r3 == "2222222222" # We need to consume all the stream with finish markers, but there will # be no actual data. let left = await rstream2.consume() check: left == 0 rstream2.atEof() == true await rstream2.closeWait() await rstream.closeWait() await transp.closeWait() await server.join() result = true check waitFor(testReadLine2(initTAddress("127.0.0.1:46001"))) == true test "AsyncStream(AsyncStream) read() test": proc testRead2(address: TransportAddress): Future[bool] {.async.} = proc serveClient(server: StreamServer, transp: StreamTransport) {.async.} = var wstream = newAsyncStreamWriter(transp) var wstream2 = newChunkedStreamWriter(wstream) var s2 = "1111111111" var s3 = "2222222222" await wstream2.write("0000000000") await wstream2.write(s2) await wstream2.write(cast[seq[byte]](s3)) await wstream2.finish() await wstream.finish() await wstream2.closeWait() await wstream.closeWait() await transp.closeWait() server.stop() server.close() var server = createStreamServer(address, serveClient, {ReuseAddr}) server.start() var transp = await connect(address) var rstream = newAsyncStreamReader(transp) var rstream2 = newChunkedStreamReader(rstream) var buf1 = await rstream2.read(10) check cast[string](buf1) == "0000000000" var buf2 = await rstream2.read() check cast[string](buf2) == "11111111112222222222" # read() call will consume all the bytes and finish markers too, so # we just check stream for EOF. check rstream2.atEof() == true await rstream2.closeWait() await rstream.closeWait() await transp.closeWait() await server.join() result = true check waitFor(testRead2(initTAddress("127.0.0.1:46001"))) == true test "AsyncStream(AsyncStream) consume() test": proc testConsume2(address: TransportAddress): Future[bool] {.async.} = proc serveClient(server: StreamServer, transp: StreamTransport) {.async.} = const S4 = @[byte('3'), byte('3'), byte('3'), byte('3'), byte('3')] var wstream = newAsyncStreamWriter(transp) var wstream2 = newChunkedStreamWriter(wstream) var s1 = "00000" var s2 = cast[seq[byte]]("11111") var s3 = "22222" await wstream2.write("00000") await wstream2.write(s1) await wstream2.write("11111") await wstream2.write(s2) await wstream2.write("22222") await wstream2.write(addr s3[0], len(s3)) await wstream2.write("33333") await wstream2.write(S4) await wstream2.finish() await wstream.finish() await wstream2.closeWait() await wstream.closeWait() await transp.closeWait() server.stop() server.close() var server = createStreamServer(address, serveClient, {ReuseAddr}) server.start() var transp = await connect(address) var rstream = newAsyncStreamReader(transp) var rstream2 = newChunkedStreamReader(rstream) var res1 = await rstream2.consume(10) check: res1 == 10 var buf1 = await rstream2.read(10) check cast[string](buf1) == "1111111111" var res2 = await rstream2.consume(10) check: res2 == 10 var buf2 = await rstream2.read(10) check cast[string](buf2) == "3333333333" # We need to consume all the stream with finish markers, but there will # be no actual data. let left = await rstream2.consume() check: left == 0 rstream2.atEof() == true await rstream2.closeWait() await rstream.closeWait() await transp.closeWait() await server.join() result = true check waitFor(testConsume2(initTAddress("127.0.0.1:46001"))) == true test "AsyncStream(AsyncStream) leaks test": check: getTracker("async.stream.reader").isLeaked() == false getTracker("async.stream.writer").isLeaked() == false getTracker("stream.server").isLeaked() == false getTracker("stream.transport").isLeaked() == false suite "ChunkedStream test suite": test "ChunkedStream test vectors": const ChunkedVectors = [ ["4\r\nWiki\r\n5\r\npedia\r\nE\r\n in\r\n\r\nchunks.\r\n0\r\n\r\n", "Wikipedia in\r\n\r\nchunks."], ["4\r\nWiki\r\n5\r\npedia\r\nE\r\n in\r\n\r\nchunks.\r\n0\r\n\r\n0\r\n\r\n", "Wikipedia in\r\n\r\nchunks."], ] proc checkVector(address: TransportAddress, inputstr: string): Future[string] {.async.} = proc serveClient(server: StreamServer, transp: StreamTransport) {.async.} = var wstream = newAsyncStreamWriter(transp) var data = inputstr await wstream.write(data) await wstream.finish() await wstream.closeWait() await transp.closeWait() server.stop() server.close() var server = createStreamServer(address, serveClient, {ReuseAddr}) server.start() var transp = await connect(address) var rstream = newAsyncStreamReader(transp) var rstream2 = newChunkedStreamReader(rstream) var res = await rstream2.read() var ress = cast[string](res) await rstream2.closeWait() await rstream.closeWait() await transp.closeWait() await server.join() result = ress proc testVectors(address: TransportAddress): Future[bool] {.async.} = var res = true for i in 0.. 0) except ChunkedStreamIncompleteError: if inputstr == "100000000 \r\n1": res = true except ChunkedStreamProtocolError: if inputstr == "z\r\n1": res = true await rstream2.closeWait() await rstream.closeWait() await transp.closeWait() await server.join() result = res proc testVectors2(address: TransportAddress): Future[bool] {.async.} = var res = true for i in 0.. len(mark): if equalMem(addr buffer[0], addr mark[0], len(mark)): result = true await tlsstream.reader.closeWait() await tlsstream.writer.closeWait() await reader.closeWait() await writer.closeWait() await transp.closeWait() let res = waitFor(headerClient(resolveTAddress("www.google.com:443")[0], "www.google.com")) check res == true proc checkSSLServer(address: TransportAddress, pemkey, pemcert: string): Future[bool] {.async.} = var key: TLSPrivateKey var cert: TLSCertificate let testMessage = "TEST MESSAGE" proc serveClient(server: StreamServer, transp: StreamTransport) {.async.} = var reader = newAsyncStreamReader(transp) var writer = newAsyncStreamWriter(transp) var sstream = newTLSServerAsyncStream(reader, writer, key, cert) await handshake(sstream) await sstream.writer.write(testMessage & "\r\n") await sstream.writer.finish() await sstream.writer.closeWait() await sstream.reader.closeWait() await reader.closeWait() await writer.closeWait() await transp.closeWait() server.stop() server.close() key = TLSPrivateKey.init(pemkey) cert = TLSCertificate.init(pemcert) var server = createStreamServer(address, serveClient, {ReuseAddr}) server.start() var conn = await connect(address) var creader = newAsyncStreamReader(conn) var cwriter = newAsyncStreamWriter(conn) # We are using self-signed certificate let flags = {NoVerifyHost, NoVerifyServerName} var cstream = newTLSClientAsyncStream(creader, cwriter, "", flags = flags) let res = await cstream.reader.read() await cstream.reader.closeWait() await cstream.writer.closeWait() await creader.closeWait() await cwriter.closeWait() await conn.closeWait() await server.join() return cast[string](res) == (testMessage & "\r\n") test "Simple server with RSA self-signed certificate": let res = waitFor(checkSSLServer(initTAddress("127.0.0.1:43808"), SelfSignedRsaKey, SelfSignedRsaCert)) check res == true test "TLSStream leaks test": check: getTracker("async.stream.reader").isLeaked() == false getTracker("async.stream.writer").isLeaked() == false getTracker("stream.server").isLeaked() == false getTracker("stream.transport").isLeaked() == false suite "BoundedStream test suite": proc createBigMessage(size: int): seq[byte] = var message = "MESSAGE" result = newSeq[byte](size) for i in 0 ..< len(result): result[i] = byte(message[i mod len(message)]) for item in [100'u64, 60000'u64]: proc boundedTest(address: TransportAddress, test: int, size: uint64): Future[bool] {.async.} = var clientRes = false var res = false let messagePart = createBigMessage(int(item) div 10) var message: seq[byte] for i in 0 ..< 10: message.add(messagePart) proc processClient(server: StreamServer, transp: StreamTransport) {.async.} = var wstream = newAsyncStreamWriter(transp) var wbstream = newBoundedStreamWriter(wstream, size) if test == 0: for i in 0 ..< 10: await wbstream.write(messagePart) await wbstream.finish() await wbstream.closeWait() clientRes = true elif test == 1: for i in 0 ..< 10: await wbstream.write(messagePart) try: await wbstream.write(messagePart) except BoundedStreamOverflowError: clientRes = true await wbstream.closeWait() elif test == 2: for i in 0 ..< 9: await wbstream.write(messagePart) try: await wbstream.finish() except BoundedStreamIncompleteError: clientRes = true await wbstream.closeWait() await wstream.closeWait() await transp.closeWait() server.stop() server.close() var server = createStreamServer(address, processClient, flags = {ReuseAddr}) server.start() var conn = await connect(address) var rstream = newAsyncStreamReader(conn) var rbstream = newBoundedStreamReader(rstream, size) if test == 0: let response = await rbstream.read() await rbstream.closeWait() if response == message: res = true elif test == 1: let response = await rbstream.read() await rbstream.closeWait() if response == message: res = true elif test == 2: try: let response {.used.} = await rbstream.read() except BoundedStreamIncompleteError: res = true await rbstream.closeWait() await rstream.closeWait() await conn.closeWait() await server.join() return (res and clientRes) let address = initTAddress("127.0.0.1:48030") test "BoundedStream reading/writing test [" & $item & "]": check waitFor(boundedTest(address, 0, item)) == true test "BoundedStream overflow test [" & $item & "]": check waitFor(boundedTest(address, 1, item)) == true test "BoundedStream incomplete test [" & $item & "]": check waitFor(boundedTest(address, 2, item)) == true