mcs/class/System.Net.Http/Test/System.Net.Http/HttpClientTest.cs

   1 //
   2 // HttpClientTest.cs
   3 //
   4 // Authors:
   5 //      Marek Safar  <marek.safar@gmail.com>
   6 //
   7 // Copyright (C) 2011 Xamarin Inc (http://www.xamarin.com)
   8 //
   9 // Permission is hereby granted, free of charge, to any person obtaining
  10 // a copy of this software and associated documentation files (the
  11 // "Software"), to deal in the Software without restriction, including
  12 // without limitation the rights to use, copy, modify, merge, publish,
  13 // distribute, sublicense, and/or sell copies of the Software, and to
  14 // permit persons to whom the Software is furnished to do so, subject to
  15 // the following conditions:
  16 //
  17 // The above copyright notice and this permission notice shall be
  18 // included in all copies or substantial portions of the Software.
  19 //
  20 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  21 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  22 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  23 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  24 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  25 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  26 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  27 //
  28
  29 using System;
  30 using System.Collections;
  31 using System.Collections.Generic;
  32 using NUnit.Framework;
  33 using System.Net.Http;
  34 using System.Net.Http.Headers;
  35 using System.Threading;
  36 using System.Threading.Tasks;
  37 using System.Net;
  38 using System.Linq;
  39 using System.IO;
  40
  41 namespace MonoTests.System.Net.Http
  42 {
  43         [TestFixture]
  44         public class HttpClientTest
  45         {
  46                 class HttpMessageHandlerMock : HttpMessageHandler
  47                 {
  48                         public Func<HttpRequestMessage, Task<HttpResponseMessage>> OnSend;
  49                         public Func<HttpRequestMessage, CancellationToken, Task<HttpResponseMessage>> OnSendFull;
  50
  51                         public HttpMessageHandlerMock ()
  52                         {
  53                         }
  54
  55                         protected override Task<HttpResponseMessage> SendAsync (HttpRequestMessage request, CancellationToken cancellationToken)
  56                         {
  57                                 if (OnSend != null)
  58                                         return OnSend (request);
  59
  60                                 if (OnSendFull != null)
  61                                         return OnSendFull (request, cancellationToken);
  62
  63                                 Assert.Fail ("Send");
  64                                 return null;
  65                         }
  66                 }
  67
  68                 class HttpClientHandlerMock : HttpClientHandler
  69                 {
  70                         public Func<HttpRequestMessage, Task<HttpResponseMessage>> OnSend;
  71                         public Func<HttpRequestMessage, CancellationToken, Task<HttpResponseMessage>> OnSendFull;
  72
  73                         protected override Task<HttpResponseMessage> SendAsync (HttpRequestMessage request, CancellationToken cancellationToken)
  74                         {
  75                                 if (OnSend != null)
  76                                         return OnSend (request);
  77
  78                                 if (OnSendFull != null)
  79                                         return OnSendFull (request, cancellationToken);
  80
  81                                 Assert.Fail ("Send");
  82                                 return null;
  83                         }
  84                 }
  85
  86                 class CustomStream : Stream
  87                 {
  88                         public override void Flush ()
  89                         {
  90                                 throw new NotImplementedException ();
  91                         }
  92
  93                         int pos;
  94
  95                         public override int Read (byte[] buffer, int offset, int count)
  96                         {
  97                                 ++pos;
  98                                 if (pos > 4)
  99                                         return 0;
 100
 101                                 return 11;
 102                         }
 103
 104                         public override long Seek (long offset, SeekOrigin origin)
 105                         {
 106                                 throw new NotImplementedException ();
 107                         }
 108
 109                         public override void SetLength (long value)
 110                         {
 111                                 throw new NotImplementedException ();
 112                         }
 113
 114                         public override void Write (byte[] buffer, int offset, int count)
 115                         {
 116                                 throw new NotImplementedException ();
 117                         }
 118
 119                         public override bool CanRead {
 120                                 get {
 121                                         return true;
 122                                 }
 123                         }
 124
 125                         public override bool CanSeek {
 126                                 get {
 127                                         return false;
 128                                 }
 129                         }
 130
 131                         public override bool CanWrite {
 132                                 get {
 133                                         throw new NotImplementedException ();
 134                                 }
 135                         }
 136
 137                         public override long Length {
 138                                 get {
 139                                         throw new NotImplementedException ();
 140                                 }
 141                         }
 142
 143                         public override long Position {
 144                                 get {
 145                                         throw new NotImplementedException ();
 146                                 }
 147                                 set {
 148                                         throw new NotImplementedException ();
 149                                 }
 150                         }
 151                 }
 152
 153                 const int WaitTimeout = 5000;
 154
 155                 string port, TestHost, LocalServer;
 156
 157                 [SetUp]
 158                 public void SetupFixture ()
 159                 {
 160                         if (Environment.OSVersion.Platform == PlatformID.Win32NT) {
 161                                 port = "810";
 162                         } else {
 163                                 port = "8810";
 164                         }
 165
 166                         TestHost = "localhost:" + port;
 167                         LocalServer = string.Format ("http://{0}/", TestHost);
 168                 }
 169
 170                 [Test]
 171                 public void Ctor_Default ()
 172                 {
 173                         var client = new HttpClient ();
 174                         Assert.IsNull (client.BaseAddress, "#1");
 175                         Assert.IsNotNull (client.DefaultRequestHeaders, "#2");  // TODO: full check
 176                         Assert.AreEqual (int.MaxValue, client.MaxResponseContentBufferSize, "#3");
 177                         Assert.AreEqual (TimeSpan.FromSeconds (100), client.Timeout, "#4");
 178                 }
 179
 180                 [Test]
 181                 public void CancelPendingRequests ()
 182                 {
 183                         var mh = new HttpMessageHandlerMock ();
 184
 185                         var client = new HttpClient (mh);
 186                         var request = new HttpRequestMessage (HttpMethod.Get, "http://xamarin.com");
 187                         var mre = new ManualResetEvent (false);
 188
 189                         mh.OnSendFull = (l, c) => {
 190                                 mre.Set ();
 191                                 Assert.IsTrue (c.WaitHandle.WaitOne (1000), "#20");
 192                                 Assert.IsTrue (c.IsCancellationRequested, "#21");
 193                                 mre.Set ();
 194                                 return Task.FromResult (new HttpResponseMessage ());
 195                         };
 196
 197                         var t = Task.Factory.StartNew (() => {
 198                                 client.SendAsync (request).Wait (WaitTimeout);
 199                         });
 200
 201                         Assert.IsTrue (mre.WaitOne (500), "#1");
 202                         mre.Reset ();
 203                         client.CancelPendingRequests ();
 204                         Assert.IsTrue (t.Wait (500), "#2");
 205
 206                         request = new HttpRequestMessage (HttpMethod.Get, "http://xamarin.com");
 207                         mh.OnSendFull = (l, c) => {
 208                                 Assert.IsFalse (c.IsCancellationRequested, "#30");
 209                                 return Task.FromResult (new HttpResponseMessage ());
 210                         };
 211
 212                         client.SendAsync (request).Wait (WaitTimeout);
 213                 }
 214
 215                 [Test]
 216                 public void CancelPendingRequests_BeforeSend ()
 217                 {
 218                         var ct = new CancellationTokenSource ();
 219                         ct.Cancel ();
 220                         var rr = CancellationTokenSource.CreateLinkedTokenSource (new CancellationToken (), ct.Token);
 221
 222
 223                         var mh = new HttpMessageHandlerMock ();
 224
 225                         var client = new HttpClient (mh);
 226                         var request = new HttpRequestMessage (HttpMethod.Get, "http://xamarin.com");
 227                         client.CancelPendingRequests ();
 228
 229                         mh.OnSendFull = (l, c) => {
 230                                 Assert.IsFalse (c.IsCancellationRequested, "#30");
 231                                 return Task.FromResult (new HttpResponseMessage ());
 232                         };
 233
 234                         client.SendAsync (request).Wait (WaitTimeout);
 235
 236                         request = new HttpRequestMessage (HttpMethod.Get, "http://xamarin.com");
 237                         client.SendAsync (request).Wait (WaitTimeout);
 238                 }
 239
 240
 241                 [Test]
 242                 public void CancelRequestViaProxy ()
 243                 {
 244                         var handler = new HttpClientHandler {
 245                                 Proxy = new WebProxy ("192.168.10.25:8888/"), // proxy that doesn't exist
 246                                 UseProxy = true,
 247                                 AutomaticDecompression = DecompressionMethods.GZip | DecompressionMethods.Deflate
 248                         };
 249
 250                         var httpClient = new HttpClient (handler) {
 251                                 BaseAddress = new Uri ("https://google.com"),
 252                                 Timeout = TimeSpan.FromMilliseconds (1)
 253                         };
 254
 255                         try {
 256                                 var restRequest = new HttpRequestMessage {
 257                                         Method = HttpMethod.Post,
 258                                         RequestUri = new Uri("foo", UriKind.Relative),
 259                                         Content = new StringContent("", null, "application/json")
 260                                 };
 261
 262                                 httpClient.PostAsync (restRequest.RequestUri, restRequest.Content).Wait (WaitTimeout);
 263                                 Assert.Fail ("#1");
 264                         } catch (AggregateException e) {
 265                                 Assert.IsTrue (e.InnerException is TaskCanceledException, "#2");
 266                         }
 267                 }
 268
 269                 [Test]
 270                 public void Properties ()
 271                 {
 272                         var client = new HttpClient ();
 273                         client.BaseAddress = null;
 274                         client.MaxResponseContentBufferSize = int.MaxValue;
 275                         client.Timeout = Timeout.InfiniteTimeSpan;
 276
 277                         Assert.IsNull (client.BaseAddress, "#1");
 278                         Assert.AreEqual (int.MaxValue, client.MaxResponseContentBufferSize, "#2");
 279                         Assert.AreEqual (Timeout.InfiniteTimeSpan, client.Timeout, "#3");
 280                 }
 281
 282                 [Test]
 283                 public void Properties_Invalid ()
 284                 {
 285                         var client = new HttpClient ();
 286                         try {
 287                                 client.MaxResponseContentBufferSize = 0;
 288                                 Assert.Fail ("#1");
 289                         } catch (ArgumentOutOfRangeException) {
 290                         }
 291
 292                         try {
 293                                 client.Timeout = TimeSpan.MinValue;
 294                                 Assert.Fail ("#2");
 295                         } catch (ArgumentOutOfRangeException) {
 296                         }
 297                 }
 298
 299                 [Test]
 300                 public void Send ()
 301                 {
 302                         var mh = new HttpMessageHandlerMock ();
 303
 304                         var client = new HttpClient (mh);
 305                         client.BaseAddress = new Uri ("http://xamarin.com");
 306                         var request = new HttpRequestMessage ();
 307                         var response = new HttpResponseMessage ();
 308
 309                         mh.OnSend = l => {
 310                                 Assert.AreEqual (l, request, "#2");
 311                                 Assert.AreEqual (client.BaseAddress, l.RequestUri, "#2");
 312                                 return Task.FromResult (response);
 313                         };
 314
 315                         Assert.AreEqual (response, client.SendAsync (request).Result, "#1");
 316                 }
 317
 318                 [Test]
 319                 public void Send_BaseAddress ()
 320                 {
 321                         var mh = new HttpMessageHandlerMock ();
 322
 323                         var client = new HttpClient (mh);
 324                         client.BaseAddress = new Uri ("http://localhost/");
 325                         var response = new HttpResponseMessage ();
 326
 327                         mh.OnSend = l => {
 328                                 Assert.AreEqual ("http://localhost/relative", l.RequestUri.ToString (), "#2");
 329                                 return Task.FromResult (response);
 330                         };
 331
 332                         Assert.AreEqual (response, client.GetAsync ("relative").Result, "#1");
 333                         Assert.AreEqual (response, client.GetAsync ("/relative").Result, "#2");
 334                 }
 335
 336                 [Test]
 337                 public void Send_DefaultRequestHeaders ()
 338                 {
 339                         var mh = new HttpMessageHandlerMock ();
 340
 341                         var client = new HttpClient (mh);
 342                         client.DefaultRequestHeaders.Referrer = new Uri ("http://google.com");
 343
 344                         var request = new HttpRequestMessage (HttpMethod.Get, "http://xamarin.com");
 345                         var response = new HttpResponseMessage ();
 346
 347                         mh.OnSend = l => {
 348                                 Assert.AreEqual (client.DefaultRequestHeaders.Referrer, l.Headers.Referrer, "#2");
 349                                 Assert.IsNotNull (l.Headers.Referrer, "#3");
 350                                 return Task.FromResult (response);
 351                         };
 352
 353                         Assert.AreEqual (response, client.SendAsync (request).Result, "#1");
 354                 }
 355
 356                 [Test]
 357                 public void Send_Complete_Default ()
 358                 {
 359                         bool? failed = null;
 360                         var listener = CreateListener (l => {
 361                                 try {
 362                                         var request = l.Request;
 363
 364                                         Assert.IsNull (request.AcceptTypes, "#1");
 365                                         Assert.AreEqual (0, request.ContentLength64, "#2");
 366                                         Assert.IsNull (request.ContentType, "#3");
 367                                         Assert.AreEqual (0, request.Cookies.Count, "#4");
 368                                         Assert.IsFalse (request.HasEntityBody, "#5");
 369                                         Assert.AreEqual (TestHost, request.Headers["Host"], "#6b");
 370                                         Assert.AreEqual ("GET", request.HttpMethod, "#7");
 371                                         Assert.IsFalse (request.IsAuthenticated, "#8");
 372                                         Assert.IsTrue (request.IsLocal, "#9");
 373                                         Assert.IsFalse (request.IsSecureConnection, "#10");
 374                                         Assert.IsFalse (request.IsWebSocketRequest, "#11");
 375                                         Assert.IsTrue (request.KeepAlive, "#12");
 376                                         Assert.AreEqual (HttpVersion.Version11, request.ProtocolVersion, "#13");
 377                                         Assert.IsNull (request.ServiceName, "#14");
 378                                         Assert.IsNull (request.UrlReferrer, "#15");
 379                                         Assert.IsNull (request.UserAgent, "#16");
 380                                         Assert.IsNull (request.UserLanguages, "#17");
 381                                         failed = false;
 382                                 } catch {
 383                                         failed = true;
 384                                 }
 385                         });
 386
 387                         try {
 388                                 var client = new HttpClient ();
 389                                 var request = new HttpRequestMessage (HttpMethod.Get, LocalServer);
 390                                 var response = client.SendAsync (request, HttpCompletionOption.ResponseHeadersRead).Result;
 391
 392                                 Assert.AreEqual ("", response.Content.ReadAsStringAsync ().Result, "#100");
 393                                 Assert.AreEqual (HttpStatusCode.OK, response.StatusCode, "#101");
 394                                 Assert.AreEqual (false, failed, "#102");
 395                         } finally {
 396                                 listener.Close ();
 397                         }
 398                 }
 399
 400                 [Test]
 401                 public void Send_Complete_Version_1_0 ()
 402                 {
 403                         bool? failed = null;
 404
 405                         var listener = CreateListener (l => {
 406                                 try {
 407                                         var request = l.Request;
 408
 409                                         Assert.IsNull (request.AcceptTypes, "#1");
 410                                         Assert.AreEqual (0, request.ContentLength64, "#2");
 411                                         Assert.IsNull (request.ContentType, "#3");
 412                                         Assert.AreEqual (0, request.Cookies.Count, "#4");
 413                                         Assert.IsFalse (request.HasEntityBody, "#5");
 414                                         Assert.AreEqual (1, request.Headers.Count, "#6");
 415                                         Assert.AreEqual (TestHost, request.Headers["Host"], "#6a");
 416                                         Assert.AreEqual ("GET", request.HttpMethod, "#7");
 417                                         Assert.IsFalse (request.IsAuthenticated, "#8");
 418                                         Assert.IsTrue (request.IsLocal, "#9");
 419                                         Assert.IsFalse (request.IsSecureConnection, "#10");
 420                                         Assert.IsFalse (request.IsWebSocketRequest, "#11");
 421                                         Assert.IsFalse (request.KeepAlive, "#12");
 422                                         Assert.AreEqual (HttpVersion.Version10, request.ProtocolVersion, "#13");
 423                                         Assert.IsNull (request.ServiceName, "#14");
 424                                         Assert.IsNull (request.UrlReferrer, "#15");
 425                                         Assert.IsNull (request.UserAgent, "#16");
 426                                         Assert.IsNull (request.UserLanguages, "#17");
 427                                         failed = false;
 428                                 } catch {
 429                                         failed = true;
 430                                 }
 431                         });
 432
 433                         try {
 434                                 var client = new HttpClient ();
 435                                 var request = new HttpRequestMessage (HttpMethod.Get, LocalServer);
 436                                 request.Version = HttpVersion.Version10;
 437                                 var response = client.SendAsync (request, HttpCompletionOption.ResponseHeadersRead).Result;
 438
 439                                 Assert.AreEqual ("", response.Content.ReadAsStringAsync ().Result, "#100");
 440                                 Assert.AreEqual (HttpStatusCode.OK, response.StatusCode, "#101");
 441                                 Assert.AreEqual (false, failed, "#102");
 442                         } finally {
 443                                 listener.Close ();
 444                         }
 445                 }
 446
 447                 [Test]
 448                 public void Send_Complete_ClientHandlerSettings ()
 449                 {
 450                         bool? failed = null;
 451
 452                         var listener = CreateListener (l => {
 453                                 var request = l.Request;
 454
 455                                 try {
 456                                         Assert.IsNull (request.AcceptTypes, "#1");
 457                                         Assert.AreEqual (0, request.ContentLength64, "#2");
 458                                         Assert.IsNull (request.ContentType, "#3");
 459                                         Assert.AreEqual (1, request.Cookies.Count, "#4");
 460                                         Assert.AreEqual (new Cookie ("mycookie", "vv"), request.Cookies[0], "#4a");
 461                                         Assert.IsFalse (request.HasEntityBody, "#5");
 462                                         Assert.AreEqual (4, request.Headers.Count, "#6");
 463                                         Assert.AreEqual (TestHost, request.Headers["Host"], "#6a");
 464                                         Assert.AreEqual ("gzip", request.Headers["Accept-Encoding"], "#6b");
 465                                         Assert.AreEqual ("mycookie=vv", request.Headers["Cookie"], "#6c");
 466                                         Assert.AreEqual ("GET", request.HttpMethod, "#7");
 467                                         Assert.IsFalse (request.IsAuthenticated, "#8");
 468                                         Assert.IsTrue (request.IsLocal, "#9");
 469                                         Assert.IsFalse (request.IsSecureConnection, "#10");
 470                                         Assert.IsFalse (request.IsWebSocketRequest, "#11");
 471                                         Assert.IsTrue (request.KeepAlive, "#12");
 472                                         Assert.AreEqual (HttpVersion.Version10, request.ProtocolVersion, "#13");
 473                                         Assert.IsNull (request.ServiceName, "#14");
 474                                         Assert.IsNull (request.UrlReferrer, "#15");
 475                                         Assert.IsNull (request.UserAgent, "#16");
 476                                         Assert.IsNull (request.UserLanguages, "#17");
 477                                         failed = false;
 478                                 } catch {
 479                                         failed = true;
 480                                 }
 481                         });
 482
 483                         try {
 484                                 var chandler = new HttpClientHandler ();
 485                                 chandler.AllowAutoRedirect = true;
 486                                 chandler.AutomaticDecompression = DecompressionMethods.GZip;
 487                                 chandler.MaxAutomaticRedirections = 33;
 488                                 chandler.MaxRequestContentBufferSize = 5555;
 489                                 chandler.PreAuthenticate = true;
 490                                 chandler.CookieContainer.Add (new Uri (LocalServer), new Cookie ( "mycookie", "vv"));
 491                                 chandler.UseCookies = true;
 492                                 chandler.UseDefaultCredentials = true;
 493                                 chandler.Proxy = new WebProxy ("ee");
 494                                 chandler.UseProxy = true;
 495
 496                                 var client = new HttpClient (chandler);
 497                                 var request = new HttpRequestMessage (HttpMethod.Get, LocalServer);
 498                                 request.Version = HttpVersion.Version10;
 499                                 request.Headers.Add ("Keep-Alive", "false");
 500                                 var response = client.SendAsync (request, HttpCompletionOption.ResponseHeadersRead).Result;
 501
 502                                 Assert.AreEqual ("", response.Content.ReadAsStringAsync ().Result, "#100");
 503                                 Assert.AreEqual (HttpStatusCode.OK, response.StatusCode, "#101");
 504                                 Assert.AreEqual (false, failed, "#102");
 505                         } finally {
 506                                 listener.Abort ();
 507                                 listener.Close ();
 508                         }
 509                 }
 510
 511                 [Test]
 512                 public void Send_Complete_CustomHeaders ()
 513                 {
 514                         bool? failed = null;
 515
 516                         var listener = CreateListener (l => {
 517                                 var request = l.Request;
 518                                 try {
 519                                         Assert.AreEqual ("vv", request.Headers["aa"], "#1");
 520
 521                                         var response = l.Response;
 522                                         response.Headers.Add ("rsp", "rrr");
 523                                         response.Headers.Add ("upgrade", "vvvvaa");
 524                                         response.Headers.Add ("Date", "aa");
 525                                         response.Headers.Add ("cache-control", "audio");
 526
 527                                         response.StatusDescription = "test description";
 528                                         response.ProtocolVersion = HttpVersion.Version10;
 529                                         response.SendChunked = true;
 530                                         response.RedirectLocation = "w3.org";
 531
 532                                         failed = false;
 533                                 } catch {
 534                                         failed = true;
 535                                 }
 536                         });
 537
 538                         try {
 539                                 var client = new HttpClient ();
 540                                 var request = new HttpRequestMessage (HttpMethod.Get, LocalServer);
 541                                 Assert.IsTrue (request.Headers.TryAddWithoutValidation ("aa", "vv"), "#0");
 542                                 var response = client.SendAsync (request, HttpCompletionOption.ResponseHeadersRead).Result;
 543
 544                                 Assert.AreEqual ("", response.Content.ReadAsStringAsync ().Result, "#100");
 545                                 Assert.AreEqual (HttpStatusCode.OK, response.StatusCode, "#101");
 546
 547                                 IEnumerable<string> values;
 548                                 Assert.IsTrue (response.Headers.TryGetValues ("rsp", out values), "#102");
 549                                 Assert.AreEqual ("rrr", values.First (), "#102a");
 550
 551                                 Assert.IsTrue (response.Headers.TryGetValues ("Transfer-Encoding", out values), "#103");
 552                                 Assert.AreEqual ("chunked", values.First (), "#103a");
 553                                 Assert.AreEqual (true, response.Headers.TransferEncodingChunked, "#103b");
 554
 555                                 Assert.IsTrue (response.Headers.TryGetValues ("Date", out values), "#104");
 556                                 Assert.AreEqual (1, values.Count (), "#104b");
 557                                 // .NET overwrites Date, Mono does not
 558                                 // Assert.IsNotNull (response.Headers.Date, "#104c");
 559
 560                                 Assert.AreEqual (new ProductHeaderValue ("vvvvaa"), response.Headers.Upgrade.First (), "#105");
 561
 562                                 Assert.AreEqual ("audio", response.Headers.CacheControl.Extensions.First ().Name, "#106");
 563
 564                                 Assert.AreEqual ("w3.org", response.Headers.Location.OriginalString, "#107");
 565
 566                                 Assert.AreEqual ("test description", response.ReasonPhrase, "#110");
 567                                 Assert.AreEqual (HttpVersion.Version11, response.Version, "#111");
 568
 569                                 Assert.AreEqual (false, failed, "#112");
 570                         } finally {
 571                                 listener.Close ();
 572                         }
 573                 }
 574
 575                 [Test]
 576                 public void Send_Complete_Content ()
 577                 {
 578                         var listener = CreateListener (l => {
 579                                 var request = l.Request;
 580                                 l.Response.OutputStream.WriteByte (55);
 581                                 l.Response.OutputStream.WriteByte (75);
 582                         });
 583
 584                         try {
 585                                 var client = new HttpClient ();
 586                                 var request = new HttpRequestMessage (HttpMethod.Get, LocalServer);
 587                                 Assert.IsTrue (request.Headers.TryAddWithoutValidation ("aa", "vv"), "#0");
 588                                 var response = client.SendAsync (request, HttpCompletionOption.ResponseHeadersRead).Result;
 589
 590                                 Assert.AreEqual ("7K", response.Content.ReadAsStringAsync ().Result, "#100");
 591                                 Assert.AreEqual (HttpStatusCode.OK, response.StatusCode, "#101");
 592
 593                                 IEnumerable<string> values;
 594                                 Assert.IsTrue (response.Headers.TryGetValues ("Transfer-Encoding", out values), "#102");
 595                                 Assert.AreEqual ("chunked", values.First (), "#102a");
 596                                 Assert.AreEqual (true, response.Headers.TransferEncodingChunked, "#102b");
 597                         } finally {
 598                                 listener.Close ();
 599                         }
 600                 }
 601
 602                 [Test]
 603                 public void Send_Complete_Content_MaxResponseContentBufferSize ()
 604                 {
 605                         var listener = CreateListener (l => {
 606                                 var request = l.Request;
 607                                 var b = new byte[4000];
 608                                 l.Response.OutputStream.Write (b, 0, b.Length);
 609                         });
 610
 611                         try {
 612                                 var client = new HttpClient ();
 613                                 client.MaxResponseContentBufferSize = 1000;
 614                                 var request = new HttpRequestMessage (HttpMethod.Get, LocalServer);
 615                                 var response = client.SendAsync (request, HttpCompletionOption.ResponseHeadersRead).Result;
 616
 617                                 Assert.AreEqual (4000, response.Content.ReadAsStringAsync ().Result.Length, "#100");
 618                                 Assert.AreEqual (HttpStatusCode.OK, response.StatusCode, "#101");
 619                         } finally {
 620                                 listener.Close ();
 621                         }
 622                 }
 623
 624                 [Test]
 625                 public void Send_Complete_Content_MaxResponseContentBufferSize_Error ()
 626                 {
 627                         var listener = CreateListener (l => {
 628                                 var request = l.Request;
 629                                 var b = new byte[4000];
 630                                 l.Response.OutputStream.Write (b, 0, b.Length);
 631                         });
 632
 633                         try {
 634                                 var client = new HttpClient ();
 635                                 client.MaxResponseContentBufferSize = 1000;
 636                                 var request = new HttpRequestMessage (HttpMethod.Get, LocalServer);
 637
 638                                 try {
 639                                         client.SendAsync (request, HttpCompletionOption.ResponseContentRead).Wait (WaitTimeout);
 640                                         Assert.Fail ("#2");
 641                                 } catch (AggregateException e) {
 642                                         Assert.IsTrue (e.InnerException is HttpRequestException, "#3");
 643                                 }
 644
 645                         } finally {
 646                                 listener.Close ();
 647                         }
 648                 }
 649
 650                 [Test]
 651                 public void Send_Complete_NoContent ()
 652                 {
 653                         foreach (var method in new HttpMethod[] { HttpMethod.Post, HttpMethod.Put, HttpMethod.Delete }) {
 654                                 bool? failed = null;
 655                                 var listener = CreateListener (l => {
 656                                         try {
 657                                                 var request = l.Request;
 658
 659                                                 Assert.AreEqual (2, request.Headers.Count, "#1");
 660                                                 Assert.AreEqual ("0", request.Headers ["Content-Length"], "#1b");
 661                                                 Assert.AreEqual (method.Method, request.HttpMethod, "#2");
 662                                                 failed = false;
 663                                         } catch {
 664                                                 failed = true;
 665                                         }
 666                                 });
 667
 668                                 try {
 669                                         var client = new HttpClient ();
 670                                         var request = new HttpRequestMessage (method, LocalServer);
 671                                         var response = client.SendAsync (request, HttpCompletionOption.ResponseHeadersRead).Result;
 672
 673                                         Assert.AreEqual ("", response.Content.ReadAsStringAsync ().Result, "#100");
 674                                         Assert.AreEqual (HttpStatusCode.OK, response.StatusCode, "#101");
 675                                         Assert.AreEqual (false, failed, "#102");
 676                                 } finally {
 677                                         listener.Close ();
 678                                 }
 679                         }
 680                 }
 681
 682                 [Test]
 683                 public void Send_Complete_Error ()
 684                 {
 685                         var listener = CreateListener (l => {
 686                                 var response = l.Response;
 687                                 response.StatusCode = 500;
 688                         });
 689
 690                         try {
 691                                 var client = new HttpClient ();
 692                                 var request = new HttpRequestMessage (HttpMethod.Get, LocalServer);
 693                                 var response = client.SendAsync (request, HttpCompletionOption.ResponseHeadersRead).Result;
 694
 695                                 Assert.AreEqual ("", response.Content.ReadAsStringAsync ().Result, "#100");
 696                                 Assert.AreEqual (HttpStatusCode.InternalServerError, response.StatusCode, "#101");
 697                         } finally {
 698                                 listener.Close ();
 699                         }
 700                 }
 701
 702                 [Test]
 703                 public void Send_Content_Get ()
 704                 {
 705                         var listener = CreateListener (l => {
 706                                 var request = l.Request;
 707                                 l.Response.OutputStream.WriteByte (72);
 708                         });
 709
 710                         try {
 711                                 var client = new HttpClient ();
 712                                 var r = new HttpRequestMessage (HttpMethod.Get, LocalServer);
 713                                 var response = client.SendAsync (r).Result;
 714
 715                                 Assert.AreEqual ("H", response.Content.ReadAsStringAsync ().Result);
 716                         } finally {
 717                                 listener.Close ();
 718                         }
 719                 }
 720
 721                 [Test]
 722                 public void Send_Content_BomEncoding ()
 723                 {
 724                         var listener = CreateListener (l => {
 725                                 var request = l.Request;
 726
 727                                 var str = l.Response.OutputStream;
 728                                 str.WriteByte (0xEF);
 729                                 str.WriteByte (0xBB);
 730                                 str.WriteByte (0xBF);
 731                                 str.WriteByte (71);
 732                         });
 733
 734                         try {
 735                                 var client = new HttpClient ();
 736                                 var r = new HttpRequestMessage (HttpMethod.Get, LocalServer);
 737                                 var response = client.SendAsync (r).Result;
 738
 739                                 Assert.AreEqual ("G", response.Content.ReadAsStringAsync ().Result);
 740                         } finally {
 741                                 listener.Close ();
 742                         }
 743                 }
 744
 745                 [Test]
 746                 public void Send_Content_Put ()
 747                 {
 748                         bool passed = false;
 749                         var listener = CreateListener (l => {
 750                                 var request = l.Request;
 751                                 passed = 7 == request.ContentLength64;
 752                                 passed &= request.ContentType == "text/plain; charset=utf-8";
 753                                 passed &= request.InputStream.ReadByte () == 'm';
 754                         });
 755
 756                         try {
 757                                 var client = new HttpClient ();
 758                                 var r = new HttpRequestMessage (HttpMethod.Put, LocalServer);
 759                                 r.Content = new StringContent ("my text");
 760                                 var response = client.SendAsync (r).Result;
 761
 762                                 Assert.AreEqual (HttpStatusCode.OK, response.StatusCode, "#1");
 763                                 Assert.IsTrue (passed, "#2");
 764                         } finally {
 765                                 listener.Abort ();
 766                                 listener.Close ();
 767                         }
 768                 }
 769
 770                 [Test]
 771                 public void Send_Content_Put_CustomStream ()
 772                 {
 773                         bool passed = false;
 774                         var listener = CreateListener (l => {
 775                                 var request = l.Request;
 776                                 passed = 44 == request.ContentLength64;
 777                                 passed &= request.ContentType == null;
 778                         });
 779
 780                         try {
 781                                 var client = new HttpClient ();
 782                                 var r = new HttpRequestMessage (HttpMethod.Put, LocalServer);
 783                                 r.Content = new StreamContent (new CustomStream ());
 784                                 var response = client.SendAsync (r).Result;
 785
 786                                 Assert.AreEqual (HttpStatusCode.OK, response.StatusCode, "#1");
 787                                 Assert.IsTrue (passed, "#2");
 788                         } finally {
 789                                 listener.Abort ();
 790
 791                                 listener.Close ();
 792                         }
 793                 }
 794
 795                 [Test]
 796                 public void Send_Timeout ()
 797                 {
 798                         var mh = new HttpMessageHandlerMock ();
 799
 800                         var client = new HttpClient (mh);
 801                         client.Timeout = TimeSpan.FromMilliseconds (100);
 802                         var request = new HttpRequestMessage (HttpMethod.Get, "http://xamarin.com");
 803                         var response = new HttpResponseMessage ();
 804
 805                         mh.OnSendFull = (l, c) => {
 806                                 Assert.IsTrue (c.WaitHandle.WaitOne (500), "#2");
 807                                 return Task.FromResult (response);
 808                         };
 809
 810                         Assert.AreEqual (response, client.SendAsync (request).Result, "#1");
 811                 }
 812
 813                 [Test]
 814                 public void Send_Invalid ()
 815                 {
 816                         var client = new HttpClient ();
 817                         try {
 818                                 client.SendAsync (null).Wait (WaitTimeout);
 819                                 Assert.Fail ("#1");
 820                         } catch (ArgumentNullException) {
 821                         }
 822
 823                         try {
 824                                 var request = new HttpRequestMessage ();
 825                                 client.SendAsync (request).Wait (WaitTimeout);
 826                                 Assert.Fail ("#2");
 827                         } catch (InvalidOperationException) {
 828                         }
 829                 }
 830
 831                 [Test]
 832                 public void Send_InvalidHandler ()
 833                 {
 834                         var mh = new HttpMessageHandlerMock ();
 835
 836                         var client = new HttpClient (mh);
 837                         client.BaseAddress = new Uri ("http://xamarin.com");
 838                         var request = new HttpRequestMessage ();
 839
 840                         mh.OnSend = l => {
 841                                 Assert.AreEqual (l, request, "#1");
 842                                 return null;
 843                         };
 844
 845                         try {
 846                                 // Broken by design
 847                                 client.SendAsync (request).Wait (WaitTimeout);
 848                                 Assert.Fail ("#2");
 849                         } catch (Exception) {
 850                         }
 851                 }
 852
 853                 [Test]
 854                 public void Send_SameMessage ()
 855                 {
 856                         var mh = new HttpMessageHandlerMock ();
 857
 858                         var client = new HttpClient (mh);
 859                         var request = new HttpRequestMessage (HttpMethod.Get, "http://xamarin.com");
 860
 861                         mh.OnSend = l => Task.FromResult (new HttpResponseMessage ());
 862
 863                         client.SendAsync (request).Wait (WaitTimeout);
 864                         try {
 865                                 client.SendAsync (request).Wait (WaitTimeout);
 866                                 Assert.Fail ("#1");
 867                         } catch (InvalidOperationException) {
 868                         }
 869                 }
 870
 871                 [Test]
 872                 [Category ("MobileNotWorking")] // Missing encoding
 873                 public void GetString_Many ()
 874                 {
 875                         var client = new HttpClient ();
 876                         var t1 = client.GetStringAsync ("http://www.google.com");
 877                         var t2 = client.GetStringAsync ("http://www.google.com");
 878                         Assert.IsTrue (Task.WaitAll (new [] { t1, t2 }, WaitTimeout));
 879                 }
 880
 881                 [Test]
 882                 public void GetByteArray_ServerError ()
 883                 {
 884                         var listener = CreateListener (l => {
 885                                 var response = l.Response;
 886                                 response.StatusCode = 500;
 887                                 l.Response.OutputStream.WriteByte (72);
 888                         });
 889
 890                         try {
 891                                 var client = new HttpClient ();
 892                                 try {
 893                                         client.GetByteArrayAsync (LocalServer).Wait (WaitTimeout);
 894                                         Assert.Fail ("#1");
 895                                 } catch (AggregateException e) {
 896                                         Assert.IsTrue (e.InnerException is HttpRequestException , "#2");
 897                                 }
 898                         } finally {
 899                                 listener.Close ();
 900                         }
 901                 }
 902
 903                 [Test]
 904                 public void DisallowAutoRedirect ()
 905                 {
 906                         var listener = CreateListener (l => {
 907                                 var request = l.Request;
 908                                 var response = l.Response;
 909
 910                                 response.StatusCode = (int)HttpStatusCode.Moved;
 911                                 response.RedirectLocation = "http://xamarin.com/";
 912                         });
 913
 914                         try {
 915                                 var chandler = new HttpClientHandler ();
 916                                 chandler.AllowAutoRedirect = false;
 917                                 var client = new HttpClient (chandler);
 918
 919                                 try {
 920                                         client.GetStringAsync (LocalServer).Wait (WaitTimeout);
 921                                         Assert.Fail ("#1");
 922                                 } catch (AggregateException e) {
 923                                         Assert.IsTrue (e.InnerException is HttpRequestException, "#2");
 924                                 }
 925                         } finally {
 926                                 listener.Abort ();
 927                                 listener.Close ();
 928                         }
 929                 }
 930
 931                 [Test]
 932                 public void RequestUriAfterRedirect ()
 933                 {
 934                         var listener = CreateListener (l => {
 935                                 var request = l.Request;
 936                                 var response = l.Response;
 937
 938                                 response.StatusCode = (int)HttpStatusCode.Moved;
 939                                 response.RedirectLocation = "http://xamarin.com/";
 940                         });
 941
 942                         try {
 943                                 var chandler = new HttpClientHandler ();
 944                                 chandler.AllowAutoRedirect = true;
 945                                 var client = new HttpClient (chandler);
 946
 947                                 var r = client.GetAsync (LocalServer);
 948                                 Assert.IsTrue (r.Wait (WaitTimeout), "#1");
 949                                 var resp = r.Result;
 950                                 Assert.AreEqual ("http://xamarin.com/", resp.RequestMessage.RequestUri.AbsoluteUri, "#2");
 951                         } finally {
 952                                 listener.Abort ();
 953                                 listener.Close ();
 954                         }
 955                 }
 956
 957                 [Test]
 958                 /*
 959                  * Properties may only be modified before sending the first request.
 960                  */
 961                 public void ModifyHandlerAfterFirstRequest ()
 962                 {
 963                         var chandler = new HttpClientHandler ();
 964                         chandler.AllowAutoRedirect = true;
 965                         var client = new HttpClient (chandler, true);
 966
 967                         var listener = CreateListener (l => {
 968                                 var response = l.Response;
 969                                 response.StatusCode = 200;
 970                                 response.OutputStream.WriteByte (55);
 971                         });
 972
 973                         try {
 974                                 client.GetStringAsync (LocalServer).Wait (WaitTimeout);
 975                                 try {
 976                                         chandler.AllowAutoRedirect = false;
 977                                         Assert.Fail ("#1");
 978                                 } catch (InvalidOperationException) {
 979                                         ;
 980                                 }
 981                         } finally {
 982                                 listener.Abort ();
 983                                 listener.Close ();
 984                         }
 985                 }
 986
 987                 [Test]
 988                 /*
 989                  * However, this policy is not enforced for custom handlers and there
 990                  * is also no way a derived class could tell its HttpClientHandler parent
 991                  * that it just sent a request.
 992                  *
 993                  */
 994                 public void ModifyHandlerAfterFirstRequest_Mock ()
 995                 {
 996                         var ch = new HttpClientHandlerMock ();
 997                         ch.AllowAutoRedirect = true;
 998
 999                         var client = new HttpClient (ch);
1000
1001                         ch.OnSend = (l) => {
1002                                 return Task.FromResult (new HttpResponseMessage ());
1003                         };
1004
1005                         client.GetAsync ("http://xamarin.com").Wait (WaitTimeout);
1006                         ch.AllowAutoRedirect = false;
1007                 }
1008
1009                 HttpListener CreateListener (Action<HttpListenerContext> contextAssert)
1010                 {
1011                         var l = new HttpListener ();
1012                         l.Prefixes.Add (string.Format ("http://+:{0}/", port));
1013                         l.Start ();
1014                         l.BeginGetContext (ar => {
1015                                 var ctx = l.EndGetContext (ar);
1016
1017                                 try {
1018                                         if (contextAssert != null)
1019                                                 contextAssert (ctx);
1020                                 } finally {
1021                                         ctx.Response.Close ();
1022                                 }
1023                         }, null);
1024
1025                         return l;
1026                 }
1027         }
1028 }