mcs/class/System/Test/System.Net/HttpListenerTest.cs

   1 //
   2 // HttpListenerTest.cs
   3 //      - Unit tests for System.Net.HttpListener
   4 //
   5 // Author:
   6 //      Gonzalo Paniagua Javier (gonzalo@ximian.com)
   7 //
   8 // Copyright (C) 2005 Novell, Inc (http://www.novell.com)
   9 //
  10 // Permission is hereby granted, free of charge, to any person obtaining
  11 // a copy of this software and associated documentation files (the
  12 // "Software"), to deal in the Software without restriction, including
  13 // without limitation the rights to use, copy, modify, merge, publish,
  14 // distribute, sublicense, and/or sell copies of the Software, and to
  15 // permit persons to whom the Software is furnished to do so, subject to
  16 // the following conditions:
  17 //
  18 // The above copyright notice and this permission notice shall be
  19 // included in all copies or substantial portions of the Software.
  20 //
  21 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  22 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  23 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  24 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  25 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  26 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  27 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  28 //
  29 #if NET_2_0
  30 using System;
  31 using System.Net;
  32 using System.Net.Sockets;
  33 using System.Threading;
  34 using NUnit.Framework;
  35
  36 namespace MonoTests.System.Net {
  37         [TestFixture]
  38         public class HttpListenerTest {
  39
  40                 int port;
  41
  42                 [SetUp]
  43                 public void SetUp () {
  44                         port = new Random ().Next (7777, 8000);
  45                 }
  46
  47                 [Test]
  48                 public void DefaultProperties ()
  49                 {
  50                         HttpListener listener = new HttpListener ();
  51                         Assert.AreEqual (AuthenticationSchemes.Anonymous, listener.AuthenticationSchemes, "#01");
  52                         Assert.AreEqual (null, listener.AuthenticationSchemeSelectorDelegate, "#02");
  53                         Assert.AreEqual (false, listener.IgnoreWriteExceptions, "#03");
  54                         Assert.AreEqual (false, listener.IsListening, "#03");
  55                         Assert.AreEqual (0, listener.Prefixes.Count, "#04");
  56                         Assert.AreEqual (null, listener.Realm, "#05");
  57                         Assert.AreEqual (false, listener.UnsafeConnectionNtlmAuthentication, "#06");
  58                 }
  59
  60                 [Test]
  61                 public void Start1 ()
  62                 {
  63                         HttpListener listener = new HttpListener ();
  64                         listener.Start ();
  65                 }
  66
  67                 [Test]
  68                 public void Stop1 ()
  69                 {
  70                         HttpListener listener = new HttpListener ();
  71                         listener.Stop ();
  72                 }
  73
  74                 [Test]
  75                 [ExpectedException (typeof (InvalidOperationException))]
  76                 public void GetContext1 ()
  77                 {
  78                         HttpListener listener = new HttpListener ();
  79                         // "Please call Start () before calling this method"
  80                         listener.GetContext ();
  81                 }
  82
  83                 [Test]
  84                 [ExpectedException (typeof (InvalidOperationException))]
  85                 public void GetContext2 ()
  86                 {
  87                         HttpListener listener = new HttpListener ();
  88                         listener.Start ();
  89                         // "Please call AddPrefix () before calling this method"
  90                         listener.GetContext ();
  91                 }
  92
  93                 [Test]
  94                 [ExpectedException (typeof (InvalidOperationException))]
  95                 public void BeginGetContext1 ()
  96                 {
  97                         HttpListener listener = new HttpListener ();
  98                         // "Please call Start () before calling this method"
  99                         listener.BeginGetContext (null, null);
 100                 }
 101
 102                 [Test]
 103                 public void BeginGetContext2 ()
 104                 {
 105                         HttpListener listener = new HttpListener ();
 106                         listener.Start ();
 107                         // One would expect this to fail as BeginGetContext1 does not fail and
 108                         // calling EndGetContext will wait forever.
 109                         // Lame. They should check that we have no prefixes.
 110                         IAsyncResult ares = listener.BeginGetContext (null, null);
 111                         Assert.IsFalse (ares.IsCompleted);
 112                 }
 113
 114                 private bool CanOpenPort(int port)
 115                 {
 116                         try
 117                         {
 118                                 using(Socket socket = new Socket (AddressFamily.InterNetwork,
 119                                         SocketType.Stream,
 120                                         ProtocolType.Tcp))
 121                                 {
 122                                         socket.Bind (new IPEndPoint (IPAddress.Loopback, port));
 123                                         socket.Listen(1);
 124                                 }
 125                         }
 126                         catch(Exception) {
 127                                 //Can be AccessDeniedException(ports 80/443 need root access) or
 128                                 //SocketException because other application is listening
 129                                 return false;
 130                         }
 131                         return true;
 132                 }
 133
 134                 [Test]
 135                 public void DefaultHttpPort ()
 136                 {
 137                         if (!CanOpenPort (80))
 138                                 Assert.Ignore ("Can not open port 80 skipping test.");
 139                         using(HttpListener listener = new HttpListener ())
 140                         {
 141                                 listener.Prefixes.Add ("http://127.0.0.1/");
 142                                 listener.Start ();
 143                                 Assert.IsFalse (CanOpenPort (80), "HttpListener is not listening on port 80.");
 144                         }
 145                 }
 146
 147                 [Test]
 148                 public void DefaultHttpsPort ()
 149                 {
 150                         if (!CanOpenPort (443))
 151                                 Assert.Ignore ("Can not open port 443 skipping test.");
 152                         using(HttpListener listener = new HttpListener ())
 153                         {
 154                                 listener.Prefixes.Add ("https://127.0.0.1/");
 155                                 listener.Start ();
 156                                 Assert.IsFalse (CanOpenPort (443), "HttpListener is not listening on port 443.");
 157                         }
 158                 }
 159
 160                 [Test]
 161                 public void TwoListeners_SameAddress ()
 162                 {
 163                         if (!CanOpenPort (port))
 164                                 Assert.Ignore ("port");
 165                         HttpListener listener1 = new HttpListener ();
 166                         listener1.Prefixes.Add ("http://127.0.0.1:" + port + "/");
 167                         HttpListener listener2 = new HttpListener ();
 168                         listener2.Prefixes.Add ("http://127.0.0.1:" + port + "/hola/");
 169                         listener1.Start ();
 170                         listener2.Start ();
 171                 }
 172
 173                 [Test]
 174                 [ExpectedException (typeof (HttpListenerException))]
 175                 public void TwoListeners_SameURL ()
 176                 {
 177                         if (!CanOpenPort (port))
 178                                 Assert.Ignore ("port");
 179                         HttpListener listener1 = new HttpListener ();
 180                         listener1.Prefixes.Add ("http://127.0.0.1:" + port + "/hola/");
 181                         HttpListener listener2 = new HttpListener ();
 182                         listener2.Prefixes.Add ("http://127.0.0.1:" + port + "/hola/");
 183                         listener1.Start ();
 184                         listener2.Start ();
 185                 }
 186
 187                 [Test]
 188                 [ExpectedException (typeof (HttpListenerException))]
 189                 public void MultipleSlashes ()
 190                 {
 191                         if (!CanOpenPort (port))
 192                                 Assert.Ignore ("port");
 193                         HttpListener listener = new HttpListener ();
 194                         listener.Prefixes.Add ("http://localhost:" + port + "/hola////");
 195                         // this one throws on Start(), not when adding it.
 196                         listener.Start ();
 197                 }
 198
 199                 [Test]
 200                 [ExpectedException (typeof (HttpListenerException))]
 201                 public void PercentSign ()
 202                 {
 203                         if (!CanOpenPort (port))
 204                                 Assert.Ignore ("port");
 205                         HttpListener listener = new HttpListener ();
 206                         listener.Prefixes.Add ("http://localhost:" + port + "/hola%3E/");
 207                         // this one throws on Start(), not when adding it.
 208                         listener.Start ();
 209                 }
 210
 211                 [Test]
 212                 public void CloseBeforeStart ()
 213                 {
 214                         HttpListener listener = new HttpListener ();
 215                         listener.Close ();
 216                 }
 217
 218                 [Test]
 219                 public void CloseTwice ()
 220                 {
 221                         if (!CanOpenPort (port))
 222                                 Assert.Ignore ("port");
 223                         HttpListener listener = new HttpListener ();
 224                         listener.Prefixes.Add ("http://localhost:" + port + "/hola/");
 225                         listener.Start ();
 226                         listener.Close ();
 227                         listener.Close ();
 228                 }
 229
 230                 [Test]
 231                 public void StartStopStart ()
 232                 {
 233                         if (!CanOpenPort (port))
 234                                 Assert.Ignore ("port");
 235                         HttpListener listener = new HttpListener ();
 236                         listener.Prefixes.Add ("http://localhost:" + port + "/hola/");
 237                         listener.Start ();
 238                         listener.Stop ();
 239                         listener.Start ();
 240                         listener.Close ();
 241                 }
 242
 243                 [Test]
 244                 public void StartStopDispose ()
 245                 {
 246                         if (!CanOpenPort (port))
 247                                 Assert.Ignore ("port");
 248                         using (HttpListener listener = new HttpListener ()){
 249                                 listener.Prefixes.Add ("http://localhost:" + port + "/hola/");
 250                                 listener.Start ();
 251                                 listener.Stop ();
 252                         }
 253                 }
 254
 255                 [Test]
 256                 public void AbortBeforeStart ()
 257                 {
 258                         HttpListener listener = new HttpListener ();
 259                         listener.Abort ();
 260                 }
 261
 262                 [Test]
 263                 public void AbortTwice ()
 264                 {
 265                         if (!CanOpenPort (port))
 266                                 Assert.Ignore ("port");
 267                         HttpListener listener = new HttpListener ();
 268                         listener.Prefixes.Add ("http://localhost:" + port + "/hola/");
 269                         listener.Start ();
 270                         listener.Abort ();
 271                         listener.Abort ();
 272                 }
 273
 274                 [Test]
 275                 public void PropertiesWhenClosed1 ()
 276                 {
 277                         HttpListener listener = new HttpListener ();
 278                         listener.Close ();
 279                         Assert.AreEqual (AuthenticationSchemes.Anonymous, listener.AuthenticationSchemes, "#01");
 280                         Assert.AreEqual (null, listener.AuthenticationSchemeSelectorDelegate, "#02");
 281                         Assert.AreEqual (false, listener.IgnoreWriteExceptions, "#03");
 282                         Assert.AreEqual (false, listener.IsListening, "#03");
 283                         Assert.AreEqual (null, listener.Realm, "#05");
 284                         Assert.AreEqual (false, listener.UnsafeConnectionNtlmAuthentication, "#06");
 285                 }
 286
 287                 [Test]
 288                 [ExpectedException (typeof (ObjectDisposedException))]
 289                 public void PropertiesWhenClosed2 ()
 290                 {
 291                         HttpListener listener = new HttpListener ();
 292                         listener.Close ();
 293                         HttpListenerPrefixCollection p = listener.Prefixes;
 294                 }
 295
 296                 [Test]
 297                 [ExpectedException (typeof (ObjectDisposedException))]
 298                 public void PropertiesWhenClosedSet1 ()
 299                 {
 300                         HttpListener listener = new HttpListener ();
 301                         listener.Close ();
 302                         listener.AuthenticationSchemes = AuthenticationSchemes.None;
 303                 }
 304
 305                 [Test]
 306                 [ExpectedException (typeof (ObjectDisposedException))]
 307                 public void PropertiesWhenClosedSet2 ()
 308                 {
 309                         HttpListener listener = new HttpListener ();
 310                         listener.Close ();
 311                         listener.AuthenticationSchemeSelectorDelegate = null;
 312                 }
 313
 314                 [Test]
 315                 [ExpectedException (typeof (ObjectDisposedException))]
 316                 public void PropertiesWhenClosedSet3 ()
 317                 {
 318                         HttpListener listener = new HttpListener ();
 319                         listener.Close ();
 320                         listener.IgnoreWriteExceptions = true;
 321                 }
 322
 323                 [Test]
 324                 [ExpectedException (typeof (ObjectDisposedException))]
 325                 public void PropertiesWhenClosedSet4 ()
 326                 {
 327                         HttpListener listener = new HttpListener ();
 328                         listener.Close ();
 329                         listener.Realm = "hola";
 330                 }
 331
 332                 [Test]
 333                 [ExpectedException (typeof (ObjectDisposedException))]
 334                 public void PropertiesWhenClosedSet5 ()
 335                 {
 336                         HttpListener listener = new HttpListener ();
 337                         listener.Close ();
 338                         listener.UnsafeConnectionNtlmAuthentication = true;
 339                 }
 340
 341                 [Test]
 342                 public void PropertiesWhenClosed3 ()
 343                 {
 344                         HttpListener listener = new HttpListener ();
 345                         listener.Close ();
 346                         Assert.IsFalse (listener.IsListening);
 347                 }
 348
 349                 [Test]
 350                 public void CloseWhileBegin ()
 351                 {
 352                         HttpListener listener = new HttpListener ();
 353                         listener.Prefixes.Add ("http://127.0.0.1:9001/closewhilebegin/");
 354                         listener.Start ();
 355                         CallMe cm = new CallMe ();
 356                         listener.BeginGetContext (cm.Callback, listener);
 357                         listener.Close ();
 358                         if (false == cm.Event.WaitOne (3000, false))
 359                                 Assert.Fail ("This should not time out.");
 360                         Assert.IsNotNull (cm.Error);
 361                         Assert.AreEqual (typeof (ObjectDisposedException), cm.Error.GetType (), "Exception type");
 362                         cm.Dispose ();
 363                 }
 364
 365                 [Test]
 366                 public void AbortWhileBegin ()
 367                 {
 368                         HttpListener listener = new HttpListener ();
 369                         listener.Prefixes.Add ("http://127.0.0.1:9001/abortwhilebegin/");
 370                         listener.Start ();
 371                         CallMe cm = new CallMe ();
 372                         listener.BeginGetContext (cm.Callback, listener);
 373                         listener.Abort ();
 374                         if (false == cm.Event.WaitOne (3000, false))
 375                                 Assert.Fail ("This should not time out.");
 376                         Assert.IsNotNull (cm.Error);
 377                         Assert.AreEqual (typeof (ObjectDisposedException), cm.Error.GetType (), "Exception type");
 378                         cm.Dispose ();
 379                 }
 380
 381                 [Test]
 382                 [ExpectedException (typeof (HttpListenerException))]
 383                 public void CloseWhileGet ()
 384                 {
 385                         // "System.Net.HttpListener Exception : The I/O operation has been aborted
 386                         // because of either a thread exit or an application request
 387                         //   at System.Net.HttpListener.GetContext()
 388                         //   at MonoTests.System.Net.HttpListenerTest.CloseWhileGet()
 389
 390                         HttpListener listener = new HttpListener ();
 391                         listener.Prefixes.Add ("http://127.0.0.1:9001/closewhileget/");
 392                         listener.Start ();
 393                         RunMe rm = new RunMe (1000, new ThreadStart (listener.Close), new object [0]);
 394                         rm.Start ();
 395                         HttpListenerContext ctx = listener.GetContext ();
 396                 }
 397
 398                 [Test]
 399                 [ExpectedException (typeof (HttpListenerException))]
 400                 public void AbortWhileGet ()
 401                 {
 402                         // "System.Net.HttpListener Exception : The I/O operation has been aborted
 403                         // because of either a thread exit or an application request
 404                         //   at System.Net.HttpListener.GetContext()
 405                         //   at MonoTests.System.Net.HttpListenerTest.CloseWhileGet()
 406
 407                         HttpListener listener = new HttpListener ();
 408                         listener.Prefixes.Add ("http://127.0.0.1:9001/abortwhileget/");
 409                         listener.Start ();
 410                         RunMe rm = new RunMe (1000, new ThreadStart (listener.Abort), new object [0]);
 411                         rm.Start ();
 412                         HttpListenerContext ctx = listener.GetContext ();
 413                 }
 414
 415                 class RunMe {
 416                         Delegate d;
 417                         int delay_ms;
 418                         object [] args;
 419                         public object Result;
 420
 421                         public RunMe (int delay_ms, Delegate d, object [] args)
 422                         {
 423                                 this.delay_ms = delay_ms;
 424                                 this.d = d;
 425                                 this.args = args;
 426                         }
 427
 428                         public void Start ()
 429                         {
 430                                 Thread th = new Thread (new ThreadStart (Run));
 431                                 th.Start ();
 432                         }
 433
 434                         void Run ()
 435                         {
 436                                 Thread.Sleep (delay_ms);
 437                                 Result = d.DynamicInvoke (args);
 438                         }
 439                 }
 440
 441                 class CallMe {
 442                         public ManualResetEvent Event = new ManualResetEvent (false);
 443                         public bool Called;
 444                         public HttpListenerContext Context;
 445                         public Exception Error;
 446
 447                         public void Reset ()
 448                         {
 449                                 Called = false;
 450                                 Context = null;
 451                                 Error = null;
 452                                 Event.Reset ();
 453                         }
 454
 455                         public void Callback (IAsyncResult ares)
 456                         {
 457                                 Called = true;
 458                                 if (ares == null) {
 459                                         Error = new ArgumentNullException ("ares");
 460                                         return;
 461                                 }
 462
 463                                 try {
 464                                         HttpListener listener = (HttpListener) ares.AsyncState;
 465                                         Context = listener.EndGetContext (ares);
 466                                 } catch (Exception e) {
 467                                         Error = e;
 468                                 }
 469                                 Event.Set ();
 470                         }
 471
 472                         public void Dispose ()
 473                         {
 474                                 Event.Close ();
 475                         }
 476                 }
 477
 478                 [Test]
 479                 public void ConnectionReuse ()
 480                 {
 481                         var uri = "http://localhost:1338/";
 482
 483                         HttpListener listener = new HttpListener ();
 484                         listener.Prefixes.Add (uri);
 485                         listener.Start ();
 486
 487                         IPEndPoint expectedIpEndPoint = CreateListenerRequest (listener, uri);
 488
 489                         Assert.AreEqual (expectedIpEndPoint, CreateListenerRequest (listener, uri), "reuse1");
 490                         Assert.AreEqual (expectedIpEndPoint, CreateListenerRequest (listener, uri), "reuse2");
 491                 }
 492
 493                 public IPEndPoint CreateListenerRequest (HttpListener listener, string uri)
 494                 {
 495                         IPEndPoint ipEndPoint = null;
 496                         listener.BeginGetContext ((result) => ipEndPoint = ListenerCallback (result), listener);
 497
 498                         var request = (HttpWebRequest) WebRequest.Create (uri);
 499                         request.Method = "POST";
 500
 501                         // We need to write something
 502                         request.GetRequestStream ().Write (new byte [] {(byte)'a'}, 0, 1);
 503                         request.GetRequestStream ().Dispose ();
 504
 505                         // Send request, socket is created or reused.
 506                         var response = request.GetResponse ();
 507
 508                         // Close response so socket can be reused.
 509                         response.Close ();
 510
 511                         return ipEndPoint;
 512                 }
 513
 514                 public static IPEndPoint ListenerCallback (IAsyncResult result)
 515                 {
 516                         var listener = (HttpListener) result.AsyncState;
 517                         var context = listener.EndGetContext (result);
 518                         var clientEndPoint = context.Request.RemoteEndPoint;
 519
 520                         // Disposing InputStream should not avoid socket reuse
 521                         context.Request.InputStream.Dispose ();
 522
 523                         // Close OutputStream to send response
 524                         context.Response.OutputStream.Close ();
 525
 526                         return clientEndPoint;
 527                 }
 528         }
 529 }
 530 #endif
 531