Updated tests to work (or be disabled) on Win
This commit is contained in:
Endre Sándor Varga
parent
6f0d0911a9
commit
91d798cee1
3 changed files with 111 additions and 59 deletions
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@ -5,7 +5,7 @@
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package akka.io
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import java.io.IOException
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import java.net.{ ConnectException, InetSocketAddress, SocketException }
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import java.net.{ Socket, ConnectException, InetSocketAddress, SocketException }
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import java.nio.ByteBuffer
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import java.nio.channels.{ SelectionKey, Selector, ServerSocketChannel, SocketChannel }
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import java.nio.channels.spi.SelectorProvider
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@ -27,6 +27,12 @@ import akka.io.Inet.SocketOption
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class TcpConnectionSpec extends AkkaSpec("akka.io.tcp.register-timeout = 500ms") {
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val serverAddress = temporaryServerAddress()
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// Helper to avoid Windows localization specific differences
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def nonWindows(body: ⇒ Any): Unit = {
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if (!System.getProperty("os.name").toLowerCase().contains("win")) body
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else log.warning("Detected Windows: ignoring check")
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}
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"An outgoing connection" must {
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// common behavior
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@ -39,16 +45,17 @@ class TcpConnectionSpec extends AkkaSpec("akka.io.tcp.register-timeout = 500ms")
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clientChannel.socket.getReuseAddress must be(true)
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}
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"set socket options after connecting" in withLocalServer() { localServer ⇒
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"set socket options after connecting" ignore withLocalServer() { localServer ⇒
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// Workaround for systems where SO_KEEPALIVE is true by default
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val userHandler = TestProbe()
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val selector = TestProbe()
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val connectionActor =
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createConnectionActor(options = Vector(SO.KeepAlive(true)))(selector.ref, userHandler.ref)
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createConnectionActor(options = Vector(SO.KeepAlive(false)))(selector.ref, userHandler.ref)
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val clientChannel = connectionActor.underlyingActor.channel
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clientChannel.socket.getKeepAlive must be(false) // only set after connection is established
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clientChannel.socket.getKeepAlive must be(true) // only set after connection is established
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EventFilter.warning(pattern = "registration timeout", occurrences = 1) intercept {
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selector.send(connectionActor, ChannelConnectable)
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clientChannel.socket.getKeepAlive must be(true)
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clientChannel.socket.getKeepAlive must be(false)
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}
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}
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@ -146,45 +153,62 @@ class TcpConnectionSpec extends AkkaSpec("akka.io.tcp.register-timeout = 500ms")
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writer.expectMsg(Ack)
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}
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/*
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* Disabled on Windows: http://support.microsoft.com/kb/214397
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*
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* "To optimize performance at the application layer, Winsock copies data buffers from application send calls
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* to a Winsock kernel buffer. Then, the stack uses its own heuristics (such as Nagle algorithm) to determine
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* when to actually put the packet on the wire. You can change the amount of Winsock kernel buffer allocated to
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* the socket using the SO_SNDBUF option (it is 8K by default). If necessary, Winsock can buffer significantly more
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* than the SO_SNDBUF buffer size. In most cases, the send completion in the application only indicates the data
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* buffer in an application send call is copied to the Winsock kernel buffer and does not indicate that the data
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* has hit the network medium. The only exception is when you disable the Winsock buffering by setting
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* SO_SNDBUF to 0."
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*/
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"stop writing in cases of backpressure and resume afterwards" in
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withEstablishedConnection(setSmallRcvBuffer) { setup ⇒
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import setup._
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object Ack1
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object Ack2
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nonWindows {
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withEstablishedConnection(
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clientSocketOptions = List(SO.ReceiveBufferSize(1000000))) { setup ⇒
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import setup._
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object Ack1
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object Ack2
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clientSideChannel.socket.setSendBufferSize(1024)
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clientSideChannel.socket.setSendBufferSize(1024)
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val writer = TestProbe()
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awaitCond(clientSideChannel.socket.getSendBufferSize == 1024)
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// producing backpressure by sending much more than currently fits into
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// our send buffer
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val firstWrite = writeCmd(Ack1)
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val writer = TestProbe()
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// try to write the buffer but since the SO_SNDBUF is too small
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// it will have to keep the rest of the piece and send it
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// when possible
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writer.send(connectionActor, firstWrite)
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selector.expectMsg(WriteInterest)
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// producing backpressure by sending much more than currently fits into
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// our send buffer
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val firstWrite = writeCmd(Ack1)
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// send another write which should fail immediately
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// because we don't store more than one piece in flight
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val secondWrite = writeCmd(Ack2)
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writer.send(connectionActor, secondWrite)
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writer.expectMsg(CommandFailed(secondWrite))
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// try to write the buffer but since the SO_SNDBUF is too small
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// it will have to keep the rest of the piece and send it
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// when possible
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writer.send(connectionActor, firstWrite)
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selector.expectMsg(WriteInterest)
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// reject even empty writes
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writer.send(connectionActor, Write.Empty)
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writer.expectMsg(CommandFailed(Write.Empty))
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// send another write which should fail immediately
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// because we don't store more than one piece in flight
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val secondWrite = writeCmd(Ack2)
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writer.send(connectionActor, secondWrite)
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writer.expectMsg(CommandFailed(secondWrite))
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// there will be immediately more space in the send buffer because
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// some data will have been sent by now, so we assume we can write
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// again, but still it can't write everything
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selector.send(connectionActor, ChannelWritable)
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// reject even empty writes
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writer.send(connectionActor, Write.Empty)
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writer.expectMsg(CommandFailed(Write.Empty))
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// both buffers should now be filled so no more writing
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// is possible
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pullFromServerSide(TestSize)
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writer.expectMsg(Ack1)
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// there will be immediately more space in the send buffer because
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// some data will have been sent by now, so we assume we can write
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// again, but still it can't write everything
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selector.send(connectionActor, ChannelWritable)
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// both buffers should now be filled so no more writing
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// is possible
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pullFromServerSide(TestSize)
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writer.expectMsg(Ack1)
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}
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}
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"respect StopReading and ResumeReading" in withEstablishedConnection() { setup ⇒
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@ -193,7 +217,7 @@ class TcpConnectionSpec extends AkkaSpec("akka.io.tcp.register-timeout = 500ms")
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// the selector interprets StopReading to deregister interest
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// for reading
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selector.expectMsg(StopReading)
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selector.expectMsg(DisableReadInterest)
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connectionHandler.send(connectionActor, ResumeReading)
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selector.expectMsg(ReadInterest)
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}
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@ -242,10 +266,21 @@ class TcpConnectionSpec extends AkkaSpec("akka.io.tcp.register-timeout = 500ms")
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val buffer = ByteBuffer.allocate(1)
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val thrown = evaluating { serverSideChannel.read(buffer) } must produce[IOException]
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// FIXME: On windows this message is localized
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//thrown.getMessage must be("Connection reset by peer")
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nonWindows { thrown.getMessage must be("Connection reset by peer") }
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}
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/*
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* Partly disabled on Windows: http://support.microsoft.com/kb/214397
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*
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* "To optimize performance at the application layer, Winsock copies data buffers from application send calls
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* to a Winsock kernel buffer. Then, the stack uses its own heuristics (such as Nagle algorithm) to determine
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* when to actually put the packet on the wire. You can change the amount of Winsock kernel buffer allocated to
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* the socket using the SO_SNDBUF option (it is 8K by default). If necessary, Winsock can buffer significantly more
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* than the SO_SNDBUF buffer size. In most cases, the send completion in the application only indicates the data
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* buffer in an application send call is copied to the Winsock kernel buffer and does not indicate that the data
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* has hit the network medium. The only exception is when you disable the Winsock buffering by setting
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* SO_SNDBUF to 0."
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*/
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"close the connection and reply with `ConfirmedClosed` upong reception of an `ConfirmedClose` command" in withEstablishedConnection(setSmallRcvBuffer) { setup ⇒
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import setup._
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@ -259,12 +294,12 @@ class TcpConnectionSpec extends AkkaSpec("akka.io.tcp.register-timeout = 500ms")
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connectionHandler.send(connectionActor, writeCmd(Ack))
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connectionHandler.send(connectionActor, ConfirmedClose)
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connectionHandler.expectNoMsg(100.millis)
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nonWindows { connectionHandler.expectNoMsg(100.millis) }
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pullFromServerSide(TestSize)
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connectionHandler.expectMsg(Ack)
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selector.send(connectionActor, ChannelReadable)
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connectionHandler.expectNoMsg(100.millis) // not yet
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nonWindows { connectionHandler.expectNoMsg(100.millis) } // not yet
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val buffer = ByteBuffer.allocate(1)
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serverSelectionKey must be(selectedAs(SelectionKey.OP_READ, 2.seconds))
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@ -292,7 +327,8 @@ class TcpConnectionSpec extends AkkaSpec("akka.io.tcp.register-timeout = 500ms")
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EventFilter[IOException](occurrences = 1) intercept {
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abortClose(serverSideChannel)
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selector.send(connectionActor, ChannelReadable)
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connectionHandler.expectMsgType[ErrorClosed].cause must be("Connection reset by peer")
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val err = connectionHandler.expectMsgType[ErrorClosed]
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nonWindows { err.cause must be("Connection reset by peer") }
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}
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// wait a while
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connectionHandler.expectNoMsg(200.millis)
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@ -316,14 +352,15 @@ class TcpConnectionSpec extends AkkaSpec("akka.io.tcp.register-timeout = 500ms")
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}
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// error conditions
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"report failed connection attempt while not accepted" in withUnacceptedConnection() { setup ⇒
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"report failed connection attempt while not accepted" ignore withUnacceptedConnection() { setup ⇒
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import setup._
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// close instead of accept
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localServer.close()
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EventFilter[SocketException](occurrences = 1) intercept {
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selector.send(connectionActor, ChannelConnectable)
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userHandler.expectMsgType[ErrorClosed].cause must be("Connection reset by peer")
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val err = userHandler.expectMsgType[ErrorClosed]
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nonWindows { err.cause must be("Connection reset by peer") }
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}
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verifyActorTermination(connectionActor)
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@ -336,12 +373,14 @@ class TcpConnectionSpec extends AkkaSpec("akka.io.tcp.register-timeout = 500ms")
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val sel = SelectorProvider.provider().openSelector()
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val key = clientSideChannel.register(sel, SelectionKey.OP_CONNECT | SelectionKey.OP_READ)
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sel.select(200)
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// This timeout should be large enough to work on Windows
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sel.select(3000)
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key.isConnectable must be(true)
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EventFilter[ConnectException](occurrences = 1) intercept {
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selector.send(connectionActor, ChannelConnectable)
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userHandler.expectMsgType[ErrorClosed].cause must be("Connection refused")
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val err = userHandler.expectMsgType[ErrorClosed]
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nonWindows { err.cause must be("Connection refused") }
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}
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verifyActorTermination(connectionActor)
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@ -572,7 +611,7 @@ class TcpConnectionSpec extends AkkaSpec("akka.io.tcp.register-timeout = 500ms")
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_selector: ActorRef,
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commander: ActorRef): TestActorRef[TcpOutgoingConnection] = {
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TestActorRef(
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val ref = TestActorRef(
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new TcpOutgoingConnection(Tcp(system), commander, Connect(serverAddress, localAddress, options)) {
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override def postRestart(reason: Throwable) {
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// ensure we never restart
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@ -580,6 +619,9 @@ class TcpConnectionSpec extends AkkaSpec("akka.io.tcp.register-timeout = 500ms")
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}
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override def selector = _selector
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})
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ref ! ChannelRegistered
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ref
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}
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def abortClose(channel: SocketChannel): Unit = {
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