316 lines
13 KiB
C#
316 lines
13 KiB
C#
using System;
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using System.Net;
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using System.Threading;
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using System.Threading.Tasks;
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using System.Collections.Generic;
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using System.Net.WebSockets;
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using System.Reflection;
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using System.Text;
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using NUnit.Framework;
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using MonoTests.Helpers;
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namespace MonoTests.System.Net.WebSockets
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{
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[TestFixture]
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public class ClientWebSocketTest
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{
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const string EchoServerUrl = "ws://corefx-net.cloudapp.net/WebSocket/EchoWebSocket.ashx";
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ClientWebSocket socket;
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MethodInfo headerSetMethod;
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int Port;
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[SetUp]
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public void Setup ()
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{
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socket = new ClientWebSocket ();
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Port = NetworkHelpers.FindFreePort ();
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}
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HttpListener _listener;
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HttpListener listener {
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get {
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if (_listener != null)
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return _listener;
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var tmp = new HttpListener ();
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tmp.Prefixes.Add ("http://localhost:" + Port + "/");
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tmp.Start ();
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return _listener = tmp;
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}
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}
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[TearDown]
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public void Teardown ()
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{
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if (_listener != null) {
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_listener.Stop ();
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_listener = null;
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}
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if (socket != null) {
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if (socket.State == WebSocketState.Open)
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socket.CloseAsync (WebSocketCloseStatus.NormalClosure, string.Empty, CancellationToken.None).Wait (2000);
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socket.Dispose ();
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}
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}
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[Test]
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[Category ("NotWorking")] // Fails when ran as part of the entire BCL test suite. Works when only this fixture is ran
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public void ServerHandshakeReturnCrapStatusCodeTest ()
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{
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// On purpose,
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#pragma warning disable 4014
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HandleHttpRequestAsync ((req, resp) => resp.StatusCode = 418);
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#pragma warning restore 4014
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try {
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Assert.IsTrue (socket.ConnectAsync (new Uri ("ws://localhost:" + Port), CancellationToken.None).Wait (5000));
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} catch (AggregateException e) {
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AssertWebSocketException (e, WebSocketError.Success, typeof (WebException));
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return;
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}
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Assert.Fail ("Should have thrown");
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}
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[Test]
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[Category ("MobileNotWorking")] // Fails when ran as part of the entire BCL test suite. Works when only this fixture is ran
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public void ServerHandshakeReturnWrongUpgradeHeader ()
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{
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#pragma warning disable 4014
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HandleHttpRequestAsync ((req, resp) => {
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resp.StatusCode = 101;
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resp.Headers["Upgrade"] = "gtfo";
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});
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#pragma warning restore 4014
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try {
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Assert.IsTrue (socket.ConnectAsync (new Uri ("ws://localhost:" + Port), CancellationToken.None).Wait (5000));
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} catch (AggregateException e) {
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AssertWebSocketException (e, WebSocketError.Success);
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return;
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}
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Assert.Fail ("Should have thrown");
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}
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[Test]
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[Category ("MobileNotWorking")] // Fails when ran as part of the entire BCL test suite. Works when only this fixture is ran
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public void ServerHandshakeReturnWrongConnectionHeader ()
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{
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#pragma warning disable 4014
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HandleHttpRequestAsync ((req, resp) => {
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resp.StatusCode = 101;
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resp.Headers["Upgrade"] = "websocket";
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// Mono http request doesn't like the forcing, test still valid since the default connection header value is empty
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//ForceSetHeader (resp.Headers, "Connection", "Foo");
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});
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#pragma warning restore 4014
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try {
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Assert.IsTrue (socket.ConnectAsync (new Uri ("ws://localhost:" + Port), CancellationToken.None).Wait (5000));
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} catch (AggregateException e) {
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AssertWebSocketException (e, WebSocketError.Success);
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return;
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}
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Assert.Fail ("Should have thrown");
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}
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[Test]
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[Category ("MobileNotWorking")] // The test hangs when ran as part of the entire BCL test suite. Works when only this fixture is ran
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public void EchoTest ()
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{
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const string Payload = "This is a websocket test";
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Assert.AreEqual (WebSocketState.None, socket.State);
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socket.ConnectAsync (new Uri (EchoServerUrl), CancellationToken.None).Wait ();
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Assert.AreEqual (WebSocketState.Open, socket.State);
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var sendBuffer = Encoding.ASCII.GetBytes (Payload);
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Assert.IsTrue (socket.SendAsync (new ArraySegment<byte> (sendBuffer), WebSocketMessageType.Text, true, CancellationToken.None).Wait (5000));
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var receiveBuffer = new byte[Payload.Length];
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var resp = socket.ReceiveAsync (new ArraySegment<byte> (receiveBuffer), CancellationToken.None).Result;
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Assert.AreEqual (Payload.Length, resp.Count);
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Assert.IsTrue (resp.EndOfMessage);
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Assert.AreEqual (WebSocketMessageType.Text, resp.MessageType);
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Assert.AreEqual (Payload, Encoding.ASCII.GetString (receiveBuffer, 0, resp.Count));
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Assert.IsTrue (socket.CloseAsync (WebSocketCloseStatus.NormalClosure, string.Empty, CancellationToken.None).Wait (5000));
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Assert.AreEqual (WebSocketState.Closed, socket.State);
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}
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[Test]
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[Category ("MobileNotWorking")] // Fails when ran as part of the entire BCL test suite. Works when only this fixture is ran
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public void CloseOutputAsyncTest ()
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{
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Assert.IsTrue (socket.ConnectAsync (new Uri (EchoServerUrl), CancellationToken.None).Wait (5000));
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Assert.AreEqual (WebSocketState.Open, socket.State);
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Assert.IsTrue (socket.CloseOutputAsync (WebSocketCloseStatus.NormalClosure, string.Empty, CancellationToken.None).Wait (5000));
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Assert.AreEqual (WebSocketState.CloseSent, socket.State);
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var resp = socket.ReceiveAsync (new ArraySegment<byte> (new byte[0]), CancellationToken.None).Result;
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Assert.AreEqual (WebSocketState.CloseReceived, socket.State);
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Assert.AreEqual (WebSocketMessageType.Close, resp.MessageType);
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Assert.AreEqual (WebSocketCloseStatus.NormalClosure, resp.CloseStatus);
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Assert.AreEqual (string.Empty, resp.CloseStatusDescription);
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}
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[Test]
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[Category ("MobileNotWorking")] // Fails when ran as part of the entire BCL test suite. Works when only this fixture is ran
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public void CloseAsyncTest ()
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{
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if (!socket.ConnectAsync (new Uri (EchoServerUrl), CancellationToken.None).Wait (5000)) {
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Assert.Inconclusive (socket.State.ToString ());
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return;
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}
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Assert.AreEqual (WebSocketState.Open, socket.State);
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Assert.IsTrue (socket.CloseAsync (WebSocketCloseStatus.NormalClosure, string.Empty, CancellationToken.None).Wait (5000));
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Assert.AreEqual (WebSocketState.Closed, socket.State);
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}
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[Test]
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[ExpectedException (typeof (InvalidOperationException))]
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[Category ("MobileNotWorking")] // Fails when ran as part of the entire BCL test suite. Works when only this fixture is ran
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public void SendAsyncArgTest_NotConnected ()
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{
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socket.SendAsync (new ArraySegment<byte> (new byte[0]), WebSocketMessageType.Text, true, CancellationToken.None);
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}
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[Test, ExpectedException (typeof (ArgumentNullException))]
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[Category ("MobileNotWorking")] // Fails when ran as part of the entire BCL test suite. Works when only this fixture is ran
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public void SendAsyncArgTest_NoArray ()
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{
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Assert.IsTrue (socket.ConnectAsync (new Uri (EchoServerUrl), CancellationToken.None).Wait (5000));
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socket.SendAsync (new ArraySegment<byte> (), WebSocketMessageType.Text, true, CancellationToken.None);
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}
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[Test]
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[ExpectedException (typeof (InvalidOperationException))]
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[Category ("MobileNotWorking")] // Fails when ran as part of the entire BCL test suite. Works when only this fixture is ran
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public void ReceiveAsyncArgTest_NotConnected ()
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{
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socket.ReceiveAsync (new ArraySegment<byte> (new byte[0]), CancellationToken.None);
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}
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[Test, ExpectedException (typeof (ArgumentNullException))]
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[Category ("MobileNotWorking")] // Fails when ran as part of the entire BCL test suite. Works when only this fixture is ran
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public void ReceiveAsyncArgTest_NoArray ()
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{
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Assert.IsTrue (socket.ConnectAsync (new Uri (EchoServerUrl), CancellationToken.None).Wait (5000));
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socket.ReceiveAsync (new ArraySegment<byte> (), CancellationToken.None);
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}
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[Test]
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[Category ("MobileNotWorking")] // Fails when ran as part of the entire BCL test suite. Works when only this fixture is ran
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public void ReceiveAsyncWrongState_Closed ()
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{
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try {
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Assert.IsTrue (socket.ConnectAsync (new Uri (EchoServerUrl), CancellationToken.None).Wait (5000));
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Assert.IsTrue (socket.CloseAsync (WebSocketCloseStatus.NormalClosure, string.Empty, CancellationToken.None).Wait (5000));
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Assert.IsTrue (socket.ReceiveAsync (new ArraySegment<byte> (new byte[0]), CancellationToken.None).Wait (5000));
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} catch (AggregateException e) {
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AssertWebSocketException (e, WebSocketError.InvalidState);
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return;
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}
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Assert.Fail ("Should have thrown");
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}
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[Test]
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[Category ("MobileNotWorking")] // Fails when ran as part of the entire BCL test suite. Works when only this fixture is ran
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public void SendAsyncWrongState_Closed ()
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{
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try {
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Assert.IsTrue (socket.ConnectAsync (new Uri (EchoServerUrl), CancellationToken.None).Wait (5000));
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Assert.IsTrue (socket.CloseAsync (WebSocketCloseStatus.NormalClosure, string.Empty, CancellationToken.None).Wait (5000));
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Assert.IsTrue (socket.SendAsync (new ArraySegment<byte> (new byte[0]), WebSocketMessageType.Text, true, CancellationToken.None).Wait (5000));
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} catch (AggregateException e) {
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AssertWebSocketException (e, WebSocketError.InvalidState);
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return;
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}
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Assert.Fail ("Should have thrown");
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}
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[Test]
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[Category ("MobileNotWorking")] // Fails when ran as part of the entire BCL test suite. Works when only this fixture is ran
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public void SendAsyncWrongState_CloseSent ()
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{
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try {
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Assert.IsTrue (socket.ConnectAsync (new Uri (EchoServerUrl), CancellationToken.None).Wait (5000));
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Assert.IsTrue (socket.CloseOutputAsync (WebSocketCloseStatus.NormalClosure, string.Empty, CancellationToken.None).Wait (5000));
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Assert.IsTrue (socket.SendAsync (new ArraySegment<byte> (new byte[0]), WebSocketMessageType.Text, true, CancellationToken.None).Wait (5000));
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} catch (AggregateException e) {
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AssertWebSocketException (e, WebSocketError.InvalidState);
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return;
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}
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Assert.Fail ("Should have thrown");
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}
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[Test]
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[Category ("NotWorking")] // FIXME: test relies on unimplemented HttpListenerContext.AcceptWebSocketAsync (), reenable it when the method is implemented
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public void SendAsyncEndOfMessageTest ()
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{
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var cancellationToken = new CancellationTokenSource (TimeSpan.FromSeconds (30)).Token;
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SendAsyncEndOfMessageTest (false, WebSocketMessageType.Text, cancellationToken).Wait (5000);
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SendAsyncEndOfMessageTest (true, WebSocketMessageType.Text, cancellationToken).Wait (5000);
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SendAsyncEndOfMessageTest (false, WebSocketMessageType.Binary, cancellationToken).Wait (5000);
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SendAsyncEndOfMessageTest (true, WebSocketMessageType.Binary, cancellationToken).Wait (5000);
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}
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public async Task SendAsyncEndOfMessageTest (bool expectedEndOfMessage, WebSocketMessageType webSocketMessageType, CancellationToken cancellationToken)
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{
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using (var client = new ClientWebSocket ()) {
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// Configure the listener.
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var serverReceive = HandleHttpWebSocketRequestAsync<WebSocketReceiveResult> (async socket => await socket.ReceiveAsync (new ArraySegment<byte> (new byte[32]), cancellationToken), cancellationToken);
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// Connect to the listener and make the request.
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await client.ConnectAsync (new Uri ("ws://localhost:" + Port + "/"), cancellationToken);
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await client.SendAsync (new ArraySegment<byte> (Encoding.UTF8.GetBytes ("test")), webSocketMessageType, expectedEndOfMessage, cancellationToken);
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// Wait for the listener to handle the request and return its result.
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var result = await serverReceive;
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// Cleanup and check results.
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await client.CloseAsync (WebSocketCloseStatus.NormalClosure, "Finished", cancellationToken);
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Assert.AreEqual (expectedEndOfMessage, result.EndOfMessage, "EndOfMessage should be " + expectedEndOfMessage);
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}
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}
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async Task<T> HandleHttpWebSocketRequestAsync<T> (Func<WebSocket, Task<T>> action, CancellationToken cancellationToken)
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{
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var ctx = await this.listener.GetContextAsync ();
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var wsContext = await ctx.AcceptWebSocketAsync (null);
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var result = await action (wsContext.WebSocket);
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await wsContext.WebSocket.CloseOutputAsync (WebSocketCloseStatus.NormalClosure, "Finished", cancellationToken);
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return result;
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}
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async Task HandleHttpRequestAsync (Action<HttpListenerRequest, HttpListenerResponse> handler)
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{
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var ctx = await listener.GetContextAsync ();
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handler (ctx.Request, ctx.Response);
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ctx.Response.Close ();
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}
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void AssertWebSocketException (AggregateException e, WebSocketError error, Type inner = null)
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{
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var wsEx = e.InnerException as WebSocketException;
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Assert.IsNotNull (wsEx, "Not a websocketexception");
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Assert.AreEqual (error, wsEx.WebSocketErrorCode);
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if (inner != null) {
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Assert.IsNotNull (wsEx.InnerException);
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Assert.IsTrue (inner.IsInstanceOfType (wsEx.InnerException));
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}
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}
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void ForceSetHeader (WebHeaderCollection headers, string name, string value)
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{
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if (headerSetMethod == null)
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headerSetMethod = typeof (WebHeaderCollection).GetMethod ("AddValue", BindingFlags.NonPublic);
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headerSetMethod.Invoke (headers, new[] { name, value });
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}
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}
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}
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