remoting/host/chromoting_host_unittest.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "base/bind.h"
   6 #include "base/bind_helpers.h"
   7 #include "base/memory/scoped_ptr.h"
   8 #include "remoting/base/auto_thread_task_runner.h"
   9 #include "remoting/host/audio_capturer.h"
  10 #include "remoting/host/chromoting_host.h"
  11 #include "remoting/host/chromoting_host_context.h"
  12 #include "remoting/host/desktop_environment.h"
  13 #include "remoting/host/fake_desktop_capturer.h"
  14 #include "remoting/host/fake_mouse_cursor_monitor.h"
  15 #include "remoting/host/host_mock_objects.h"
  16 #include "remoting/proto/video.pb.h"
  17 #include "remoting/protocol/errors.h"
  18 #include "remoting/protocol/protocol_mock_objects.h"
  19 #include "remoting/protocol/session_config.h"
  20 #include "remoting/signaling/mock_signal_strategy.h"
  21 #include "testing/gmock/include/gmock/gmock.h"
  22 #include "testing/gmock_mutant.h"
  23 #include "testing/gtest/include/gtest/gtest.h"
  24
  25 using ::remoting::protocol::MockClientStub;
  26 using ::remoting::protocol::MockConnectionToClient;
  27 using ::remoting::protocol::MockConnectionToClientEventHandler;
  28 using ::remoting::protocol::MockHostStub;
  29 using ::remoting::protocol::MockSession;
  30 using ::remoting::protocol::MockVideoStub;
  31 using ::remoting::protocol::Session;
  32 using ::remoting::protocol::SessionConfig;
  33
  34 using testing::_;
  35 using testing::AnyNumber;
  36 using testing::AtLeast;
  37 using testing::AtMost;
  38 using testing::CreateFunctor;
  39 using testing::DeleteArg;
  40 using testing::DoAll;
  41 using testing::Expectation;
  42 using testing::InSequence;
  43 using testing::Invoke;
  44 using testing::InvokeArgument;
  45 using testing::InvokeWithoutArgs;
  46 using testing::Return;
  47 using testing::ReturnRef;
  48 using testing::SaveArg;
  49 using testing::Sequence;
  50
  51 namespace remoting {
  52
  53 namespace {
  54
  55 void PostQuitTask(base::MessageLoop* message_loop) {
  56   message_loop->PostTask(FROM_HERE, base::MessageLoop::QuitClosure());
  57 }
  58
  59 // Run the task and delete it afterwards. This action is used to deal with
  60 // done callbacks.
  61 ACTION(RunDoneTask) {
  62   arg1.Run();
  63 }
  64
  65 }  // namespace
  66
  67 class ChromotingHostTest : public testing::Test {
  68  public:
  69   ChromotingHostTest() {
  70   }
  71
  72   void SetUp() override {
  73     task_runner_ = new AutoThreadTaskRunner(
  74         message_loop_.task_runner(),
  75         base::Bind(&ChromotingHostTest::QuitMainMessageLoop,
  76                    base::Unretained(this)));
  77
  78     desktop_environment_factory_.reset(new MockDesktopEnvironmentFactory());
  79     EXPECT_CALL(*desktop_environment_factory_, CreatePtr())
  80         .Times(AnyNumber())
  81         .WillRepeatedly(Invoke(this,
  82                                &ChromotingHostTest::CreateDesktopEnvironment));
  83     EXPECT_CALL(*desktop_environment_factory_, SupportsAudioCapture())
  84         .Times(AnyNumber())
  85         .WillRepeatedly(Return(false));
  86
  87     session_manager_ = new protocol::MockSessionManager();
  88
  89     host_.reset(new ChromotingHost(
  90         &signal_strategy_,
  91         desktop_environment_factory_.get(),
  92         make_scoped_ptr(session_manager_),
  93         task_runner_,   // Audio
  94         task_runner_,   // Input
  95         task_runner_,   // Video capture
  96         task_runner_,   // Video encode
  97         task_runner_,   // Network
  98         task_runner_)); // UI
  99     host_->AddStatusObserver(&host_status_observer_);
 100
 101     xmpp_login_ = "host@domain";
 102     session1_ = new MockSession();
 103     session2_ = new MockSession();
 104     session_unowned1_.reset(new MockSession());
 105     session_unowned2_.reset(new MockSession());
 106     session_config1_ = SessionConfig::ForTest();
 107     session_jid1_ = "user@domain/rest-of-jid";
 108     session_config2_ = SessionConfig::ForTest();
 109     session_jid2_ = "user2@domain/rest-of-jid";
 110     session_unowned_jid1_ = "user3@doman/rest-of-jid";
 111     session_unowned_jid2_ = "user4@doman/rest-of-jid";
 112
 113     EXPECT_CALL(*session1_, jid())
 114         .WillRepeatedly(ReturnRef(session_jid1_));
 115     EXPECT_CALL(*session2_, jid())
 116         .WillRepeatedly(ReturnRef(session_jid2_));
 117     EXPECT_CALL(*session_unowned1_, jid())
 118         .WillRepeatedly(ReturnRef(session_unowned_jid1_));
 119     EXPECT_CALL(*session_unowned2_, jid())
 120         .WillRepeatedly(ReturnRef(session_unowned_jid2_));
 121     EXPECT_CALL(*session1_, SetEventHandler(_))
 122         .Times(AnyNumber());
 123     EXPECT_CALL(*session2_, SetEventHandler(_))
 124         .Times(AnyNumber());
 125     EXPECT_CALL(*session_unowned1_, SetEventHandler(_))
 126         .Times(AnyNumber())
 127         .WillRepeatedly(SaveArg<0>(&session_unowned1_event_handler_));
 128     EXPECT_CALL(*session_unowned2_, SetEventHandler(_))
 129         .Times(AnyNumber())
 130         .WillRepeatedly(SaveArg<0>(&session_unowned2_event_handler_));
 131     EXPECT_CALL(*session1_, config())
 132         .WillRepeatedly(ReturnRef(*session_config1_));
 133     EXPECT_CALL(*session2_, config())
 134         .WillRepeatedly(ReturnRef(*session_config2_));
 135
 136     owned_connection1_.reset(new MockConnectionToClient(session1_,
 137                                                         &host_stub1_));
 138     connection1_ = owned_connection1_.get();
 139     owned_connection2_.reset(new MockConnectionToClient(session2_,
 140                                                         &host_stub2_));
 141     connection2_ = owned_connection2_.get();
 142
 143     ON_CALL(video_stub1_, ProcessVideoPacketPtr(_, _))
 144         .WillByDefault(DeleteArg<0>());
 145     ON_CALL(video_stub2_, ProcessVideoPacketPtr(_, _))
 146         .WillByDefault(DeleteArg<0>());
 147     ON_CALL(*connection1_, video_stub())
 148         .WillByDefault(Return(&video_stub1_));
 149     ON_CALL(*connection1_, client_stub())
 150         .WillByDefault(Return(&client_stub1_));
 151     ON_CALL(*connection1_, session())
 152         .WillByDefault(Return(session1_));
 153     ON_CALL(*connection2_, video_stub())
 154         .WillByDefault(Return(&video_stub2_));
 155     ON_CALL(*connection2_, client_stub())
 156         .WillByDefault(Return(&client_stub2_));
 157     ON_CALL(*connection2_, session())
 158         .WillByDefault(Return(session2_));
 159     EXPECT_CALL(*connection1_, video_stub())
 160         .Times(AnyNumber());
 161     EXPECT_CALL(*connection1_, client_stub())
 162         .Times(AnyNumber());
 163     EXPECT_CALL(*connection1_, session())
 164         .Times(AnyNumber());
 165     EXPECT_CALL(*connection2_, video_stub())
 166         .Times(AnyNumber());
 167     EXPECT_CALL(*connection2_, client_stub())
 168         .Times(AnyNumber());
 169     EXPECT_CALL(*connection2_, session())
 170         .Times(AnyNumber());
 171   }
 172
 173   // Helper method to pretend a client is connected to ChromotingHost.
 174   void SimulateClientConnection(int connection_index, bool authenticate,
 175                                 bool reject) {
 176     scoped_ptr<protocol::ConnectionToClient> connection =
 177         ((connection_index == 0) ? owned_connection1_ : owned_connection2_)
 178             .Pass();
 179     protocol::ConnectionToClient* connection_ptr = connection.get();
 180     scoped_ptr<ClientSession> client(new ClientSession(
 181         host_.get(),
 182         task_runner_, // Audio
 183         task_runner_, // Input
 184         task_runner_, // Video capture
 185         task_runner_, // Video encode
 186         task_runner_, // Network
 187         task_runner_, // UI
 188         connection.Pass(),
 189         desktop_environment_factory_.get(),
 190         base::TimeDelta(),
 191         nullptr,
 192         std::vector<HostExtension*>()));
 193
 194     connection_ptr->set_host_stub(client.get());
 195
 196     if (authenticate) {
 197       task_runner_->PostTask(
 198           FROM_HERE,
 199           base::Bind(&ClientSession::OnConnectionAuthenticated,
 200                      base::Unretained(client.get()), connection_ptr));
 201       if (!reject) {
 202         task_runner_->PostTask(
 203             FROM_HERE,
 204             base::Bind(&ClientSession::OnConnectionChannelsConnected,
 205                        base::Unretained(client.get()), connection_ptr));
 206       }
 207     } else {
 208       task_runner_->PostTask(
 209           FROM_HERE, base::Bind(&ClientSession::OnConnectionClosed,
 210                                 base::Unretained(client.get()), connection_ptr,
 211                                 protocol::AUTHENTICATION_FAILED));
 212     }
 213
 214     get_client(connection_index) = client.get();
 215
 216     // |host| is responsible for deleting |client| from now on.
 217     host_->clients_.push_back(client.release());
 218   }
 219
 220   void TearDown() override {
 221     // Make sure that the host has been properly deleted.
 222     DCHECK(host_.get() == nullptr);
 223   }
 224
 225   // Change the session route for |client1_|.
 226   void ChangeSessionRoute(const std::string& channel_name,
 227                           const protocol::TransportRoute& route) {
 228     host_->OnSessionRouteChange(get_client(0), channel_name, route);
 229   }
 230
 231   // Creates a DesktopEnvironment with a fake webrtc::DesktopCapturer, to mock
 232   // DesktopEnvironmentFactory::Create().
 233   DesktopEnvironment* CreateDesktopEnvironment() {
 234     MockDesktopEnvironment* desktop_environment = new MockDesktopEnvironment();
 235     EXPECT_CALL(*desktop_environment, CreateAudioCapturerPtr())
 236         .Times(0);
 237     EXPECT_CALL(*desktop_environment, CreateInputInjectorPtr())
 238         .Times(AtMost(1))
 239         .WillOnce(Invoke(this, &ChromotingHostTest::CreateInputInjector));
 240     EXPECT_CALL(*desktop_environment, CreateScreenControlsPtr())
 241         .Times(AtMost(1));
 242     EXPECT_CALL(*desktop_environment, CreateVideoCapturerPtr())
 243         .Times(AtMost(1))
 244         .WillOnce(Invoke(this, &ChromotingHostTest::CreateVideoCapturer));
 245     EXPECT_CALL(*desktop_environment, CreateMouseCursorMonitorPtr())
 246         .Times(AtMost(1))
 247         .WillOnce(Invoke(this, &ChromotingHostTest::CreateMouseCursorMonitor));
 248     EXPECT_CALL(*desktop_environment, GetCapabilities())
 249         .Times(AtMost(1));
 250     EXPECT_CALL(*desktop_environment, SetCapabilities(_))
 251         .Times(AtMost(1));
 252
 253     return desktop_environment;
 254   }
 255
 256   // Creates a dummy InputInjector, to mock
 257   // DesktopEnvironment::CreateInputInjector().
 258   InputInjector* CreateInputInjector() {
 259     MockInputInjector* input_injector = new MockInputInjector();
 260     EXPECT_CALL(*input_injector, StartPtr(_));
 261     return input_injector;
 262   }
 263
 264   // Creates a fake webrtc::DesktopCapturer, to mock
 265   // DesktopEnvironment::CreateVideoCapturer().
 266   webrtc::DesktopCapturer* CreateVideoCapturer() {
 267     return new FakeDesktopCapturer();
 268   }
 269
 270   // Creates a MockMouseCursorMonitor, to mock
 271   // DesktopEnvironment::CreateMouseCursorMonitor().
 272   webrtc::MouseCursorMonitor* CreateMouseCursorMonitor() {
 273     return new FakeMouseCursorMonitor();
 274   }
 275
 276   void DisconnectAllClients() {
 277     host_->DisconnectAllClients();
 278   }
 279
 280   // Helper method to disconnect client 1 from the host.
 281   void DisconnectClient1() {
 282     NotifyClientSessionClosed(0);
 283   }
 284
 285   // Notify |host_| that the authenticating client has been rejected.
 286   void RejectAuthenticatingClient() {
 287     host_->RejectAuthenticatingClient();
 288   }
 289
 290   // Notify |host_| that a client session has closed.
 291   void NotifyClientSessionClosed(int connection_index) {
 292     get_client(connection_index)->OnConnectionClosed(
 293         get_connection(connection_index), protocol::OK);
 294   }
 295
 296   void NotifyConnectionClosed1() {
 297     if (session_unowned1_event_handler_) {
 298       session_unowned1_event_handler_->OnSessionStateChange(Session::CLOSED);
 299     }
 300   }
 301
 302   void NotifyConnectionClosed2() {
 303     if (session_unowned2_event_handler_) {
 304       session_unowned2_event_handler_->OnSessionStateChange(Session::CLOSED);
 305     }
 306   }
 307
 308   void ShutdownHost() {
 309     task_runner_->PostTask(
 310         FROM_HERE,
 311         base::Bind(&ChromotingHostTest::StopAndReleaseTaskRunner,
 312                    base::Unretained(this)));
 313   }
 314
 315   void StopAndReleaseTaskRunner() {
 316     host_.reset();
 317     task_runner_ = nullptr;
 318     desktop_environment_factory_.reset();
 319   }
 320
 321   void QuitMainMessageLoop() {
 322     PostQuitTask(&message_loop_);
 323   }
 324
 325   // Expect the host and session manager to start, and return the expectation
 326   // that the session manager has started.
 327   Expectation ExpectHostAndSessionManagerStart() {
 328     EXPECT_CALL(host_status_observer_, OnStart(xmpp_login_));
 329     return EXPECT_CALL(*session_manager_, Init(_, host_.get()));
 330   }
 331
 332   // Expect a client to connect.
 333   // Return an expectation that a session has started, and that the first
 334   // video packet has been sent to the client.
 335   // Do |action| when that happens.
 336   template <class A>
 337   Expectation ExpectClientConnected(int connection_index, A action) {
 338     const std::string& session_jid = get_session_jid(connection_index);
 339     MockVideoStub& video_stub = get_video_stub(connection_index);
 340
 341     Expectation client_authenticated =
 342         EXPECT_CALL(host_status_observer_, OnClientAuthenticated(session_jid));
 343     EXPECT_CALL(host_status_observer_, OnClientConnected(session_jid))
 344         .After(client_authenticated);
 345     Expectation video_packet_sent =
 346         EXPECT_CALL(video_stub, ProcessVideoPacketPtr(_, _))
 347         .After(client_authenticated)
 348         .WillOnce(DoAll(
 349             action,
 350             RunDoneTask()))
 351         .RetiresOnSaturation();
 352     EXPECT_CALL(video_stub, ProcessVideoPacketPtr(_, _))
 353         .Times(AnyNumber())
 354         .After(video_packet_sent)
 355         .WillRepeatedly(RunDoneTask());
 356     return video_packet_sent;
 357   }
 358
 359   // Return an expectation that a client will disconnect after a given
 360   // expectation. The given action will be done after the event executor is
 361   // notified that the session has finished.
 362   template <class A>
 363   Expectation ExpectClientDisconnected(int connection_index,
 364                                        bool expect_host_status_change,
 365                                        Expectation after,
 366                                        A action) {
 367     MockConnectionToClient* connection = get_connection(connection_index);
 368
 369     Expectation client_disconnected =
 370         EXPECT_CALL(*connection, Disconnect())
 371             .After(after)
 372             .WillOnce(InvokeWithoutArgs(CreateFunctor(
 373                 this, &ChromotingHostTest::NotifyClientSessionClosed,
 374                 connection_index)))
 375             .RetiresOnSaturation();
 376     ExpectClientDisconnectEffects(connection_index,
 377                                   expect_host_status_change,
 378                                   after,
 379                                   action);
 380     return client_disconnected;
 381   }
 382
 383   // Expect the side-effects of a client disconnection, after a given
 384   // expectation. The given action will be done after the event executor is
 385   // notifed that the session has finished.
 386   template <class A>
 387   void ExpectClientDisconnectEffects(int connection_index,
 388                                      bool expect_host_status_change,
 389                                      Expectation after,
 390                                      A action) {
 391     const std::string& session_jid = get_session_jid(connection_index);
 392
 393     if (expect_host_status_change) {
 394       EXPECT_CALL(host_status_observer_, OnClientDisconnected(session_jid))
 395           .After(after)
 396           .WillOnce(action)
 397           .RetiresOnSaturation();
 398     }
 399   }
 400
 401  protected:
 402   base::MessageLoop message_loop_;
 403   scoped_refptr<AutoThreadTaskRunner> task_runner_;
 404   MockConnectionToClientEventHandler handler_;
 405   MockSignalStrategy signal_strategy_;
 406   scoped_ptr<MockDesktopEnvironmentFactory> desktop_environment_factory_;
 407   scoped_ptr<ChromotingHost> host_;
 408   MockHostStatusObserver host_status_observer_;
 409   protocol::MockSessionManager* session_manager_;
 410   std::string xmpp_login_;
 411   MockConnectionToClient* connection1_;
 412   scoped_ptr<MockConnectionToClient> owned_connection1_;
 413   ClientSession* client1_;
 414   std::string session_jid1_;
 415   MockSession* session1_;  // Owned by |connection_|.
 416   scoped_ptr<SessionConfig> session_config1_;
 417   MockVideoStub video_stub1_;
 418   MockClientStub client_stub1_;
 419   MockHostStub host_stub1_;
 420   MockConnectionToClient* connection2_;
 421   scoped_ptr<MockConnectionToClient> owned_connection2_;
 422   ClientSession* client2_;
 423   std::string session_jid2_;
 424   MockSession* session2_;  // Owned by |connection2_|.
 425   scoped_ptr<SessionConfig> session_config2_;
 426   MockVideoStub video_stub2_;
 427   MockClientStub client_stub2_;
 428   MockHostStub host_stub2_;
 429   scoped_ptr<MockSession> session_unowned1_;  // Not owned by a connection.
 430   std::string session_unowned_jid1_;
 431   scoped_ptr<MockSession> session_unowned2_;  // Not owned by a connection.
 432   std::string session_unowned_jid2_;
 433   protocol::Session::EventHandler* session_unowned1_event_handler_;
 434   protocol::Session::EventHandler* session_unowned2_event_handler_;
 435
 436   MockConnectionToClient*& get_connection(int connection_index) {
 437     return (connection_index == 0) ? connection1_ : connection2_;
 438   }
 439
 440   // Returns the cached client pointers client1_ or client2_.
 441   ClientSession*& get_client(int connection_index) {
 442     return (connection_index == 0) ? client1_ : client2_;
 443   }
 444
 445   // Returns the list of clients of the host_.
 446   std::list<ClientSession*>& get_clients_from_host() {
 447     return host_->clients_;
 448   }
 449
 450   const std::string& get_session_jid(int connection_index) {
 451     return (connection_index == 0) ? session_jid1_ : session_jid2_;
 452   }
 453
 454   MockVideoStub& get_video_stub(int connection_index) {
 455     return (connection_index == 0) ? video_stub1_ : video_stub2_;
 456   }
 457 };
 458
 459 TEST_F(ChromotingHostTest, StartAndShutdown) {
 460   Expectation start = ExpectHostAndSessionManagerStart();
 461   EXPECT_CALL(host_status_observer_, OnShutdown()).After(start);
 462
 463   host_->Start(xmpp_login_);
 464   ShutdownHost();
 465   message_loop_.Run();
 466 }
 467
 468 TEST_F(ChromotingHostTest, Connect) {
 469   ExpectHostAndSessionManagerStart();
 470
 471   // Shut down the host when the first video packet is received.
 472   Expectation video_packet_sent = ExpectClientConnected(
 473       0, InvokeWithoutArgs(this, &ChromotingHostTest::ShutdownHost));
 474   Expectation client_disconnected = ExpectClientDisconnected(
 475       0, true, video_packet_sent, InvokeWithoutArgs(base::DoNothing));
 476   EXPECT_CALL(host_status_observer_, OnShutdown()).After(client_disconnected);
 477
 478   host_->Start(xmpp_login_);
 479   SimulateClientConnection(0, true, false);
 480   message_loop_.Run();
 481 }
 482
 483 TEST_F(ChromotingHostTest, RejectAuthenticatingClient) {
 484   Expectation start = ExpectHostAndSessionManagerStart();
 485   EXPECT_CALL(host_status_observer_, OnClientAuthenticated(session_jid1_))
 486       .WillOnce(InvokeWithoutArgs(
 487       this, &ChromotingHostTest::RejectAuthenticatingClient));
 488   ExpectClientDisconnected(
 489       0, true, start,
 490       InvokeWithoutArgs(this, &ChromotingHostTest::ShutdownHost));
 491   EXPECT_CALL(host_status_observer_, OnShutdown());
 492
 493   host_->Start(xmpp_login_);
 494   SimulateClientConnection(0, true, true);
 495   message_loop_.Run();
 496 }
 497
 498 TEST_F(ChromotingHostTest, AuthenticationFailed) {
 499   ExpectHostAndSessionManagerStart();
 500   EXPECT_CALL(host_status_observer_, OnAccessDenied(session_jid1_))
 501       .WillOnce(InvokeWithoutArgs(this, &ChromotingHostTest::ShutdownHost));
 502   EXPECT_CALL(host_status_observer_, OnShutdown());
 503
 504   host_->Start(xmpp_login_);
 505   SimulateClientConnection(0, false, false);
 506   message_loop_.Run();
 507 }
 508
 509 TEST_F(ChromotingHostTest, Reconnect) {
 510   ExpectHostAndSessionManagerStart();
 511
 512   // When a video packet is received on the first connection, disconnect it,
 513   // then quit the message loop.
 514   Expectation video_packet_sent1 = ExpectClientConnected(0, DoAll(
 515       InvokeWithoutArgs(this, &ChromotingHostTest::DisconnectClient1),
 516       InvokeWithoutArgs(this, &ChromotingHostTest::QuitMainMessageLoop)));
 517   ExpectClientDisconnectEffects(
 518       0, true, video_packet_sent1, InvokeWithoutArgs(base::DoNothing));
 519
 520   // When a video packet is received on the second connection, shut down the
 521   // host.
 522   Expectation video_packet_sent2 = ExpectClientConnected(
 523       1, InvokeWithoutArgs(this, &ChromotingHostTest::ShutdownHost));
 524   Expectation client_disconnected2 = ExpectClientDisconnected(
 525       1, true, video_packet_sent2, InvokeWithoutArgs(base::DoNothing));
 526   EXPECT_CALL(host_status_observer_, OnShutdown()).After(client_disconnected2);
 527
 528   host_->Start(xmpp_login_);
 529   SimulateClientConnection(0, true, false);
 530   message_loop_.Run();
 531   SimulateClientConnection(1, true, false);
 532   message_loop_.Run();
 533 }
 534
 535 TEST_F(ChromotingHostTest, ConnectWhenAnotherClientIsConnected) {
 536   ExpectHostAndSessionManagerStart();
 537
 538   // When a video packet is received, connect the second connection.
 539   // This should disconnect the first connection.
 540   Expectation video_packet_sent1 = ExpectClientConnected(
 541       0,
 542       InvokeWithoutArgs(
 543           CreateFunctor(
 544               this,
 545               &ChromotingHostTest::SimulateClientConnection, 1, true, false)));
 546   ExpectClientDisconnected(
 547       0, true, video_packet_sent1, InvokeWithoutArgs(base::DoNothing));
 548   Expectation video_packet_sent2 = ExpectClientConnected(
 549       1, InvokeWithoutArgs(this, &ChromotingHostTest::ShutdownHost));
 550   Expectation client_disconnected2 = ExpectClientDisconnected(
 551       1, true, video_packet_sent2, InvokeWithoutArgs(base::DoNothing));
 552   EXPECT_CALL(host_status_observer_, OnShutdown()).After(client_disconnected2);
 553
 554   host_->Start(xmpp_login_);
 555   SimulateClientConnection(0, true, false);
 556   message_loop_.Run();
 557 }
 558
 559 TEST_F(ChromotingHostTest, IncomingSessionDeclined) {
 560   protocol::SessionManager::IncomingSessionResponse response =
 561       protocol::SessionManager::ACCEPT;
 562   host_->OnIncomingSession(session1_, &response);
 563   EXPECT_EQ(protocol::SessionManager::DECLINE, response);
 564
 565   ShutdownHost();
 566   message_loop_.Run();
 567 }
 568
 569 TEST_F(ChromotingHostTest, IncomingSessionAccepted) {
 570   ExpectHostAndSessionManagerStart();
 571   EXPECT_CALL(*session_unowned1_, Close()).WillOnce(InvokeWithoutArgs(
 572     this, &ChromotingHostTest::NotifyConnectionClosed1));
 573   EXPECT_CALL(host_status_observer_, OnAccessDenied(_));
 574   EXPECT_CALL(host_status_observer_, OnShutdown());
 575
 576   host_->Start(xmpp_login_);
 577
 578   protocol::SessionManager::IncomingSessionResponse response =
 579       protocol::SessionManager::DECLINE;
 580   host_->OnIncomingSession(session_unowned1_.release(), &response);
 581   EXPECT_EQ(protocol::SessionManager::ACCEPT, response);
 582
 583   ShutdownHost();
 584   message_loop_.Run();
 585 }
 586
 587 TEST_F(ChromotingHostTest, LoginBackOffUponConnection) {
 588   ExpectHostAndSessionManagerStart();
 589   EXPECT_CALL(*session_unowned1_, Close()).WillOnce(
 590     InvokeWithoutArgs(this, &ChromotingHostTest::NotifyConnectionClosed1));
 591   EXPECT_CALL(host_status_observer_, OnAccessDenied(_));
 592   EXPECT_CALL(host_status_observer_, OnShutdown());
 593
 594   host_->Start(xmpp_login_);
 595
 596   protocol::SessionManager::IncomingSessionResponse response =
 597       protocol::SessionManager::DECLINE;
 598
 599   host_->OnIncomingSession(session_unowned1_.release(), &response);
 600   EXPECT_EQ(protocol::SessionManager::ACCEPT, response);
 601
 602   host_->OnSessionAuthenticating(get_clients_from_host().front());
 603   host_->OnIncomingSession(session_unowned2_.get(), &response);
 604   EXPECT_EQ(protocol::SessionManager::OVERLOAD, response);
 605
 606   ShutdownHost();
 607   message_loop_.Run();
 608 }
 609
 610 TEST_F(ChromotingHostTest, LoginBackOffUponAuthenticating) {
 611   Expectation start = ExpectHostAndSessionManagerStart();
 612   EXPECT_CALL(*session_unowned1_, Close()).WillOnce(
 613     InvokeWithoutArgs(this, &ChromotingHostTest::NotifyConnectionClosed1));
 614
 615   EXPECT_CALL(*session_unowned2_, Close()).WillOnce(
 616     InvokeWithoutArgs(this, &ChromotingHostTest::NotifyConnectionClosed2));
 617
 618   EXPECT_CALL(host_status_observer_, OnShutdown());
 619
 620   host_->Start(xmpp_login_);
 621
 622   protocol::SessionManager::IncomingSessionResponse response =
 623       protocol::SessionManager::DECLINE;
 624
 625   host_->OnIncomingSession(session_unowned1_.release(), &response);
 626   EXPECT_EQ(protocol::SessionManager::ACCEPT, response);
 627
 628   host_->OnIncomingSession(session_unowned2_.release(), &response);
 629   EXPECT_EQ(protocol::SessionManager::ACCEPT, response);
 630
 631   // This will set the backoff.
 632   host_->OnSessionAuthenticating(get_clients_from_host().front());
 633
 634   // This should disconnect client2.
 635   host_->OnSessionAuthenticating(get_clients_from_host().back());
 636
 637   // Verify that the host only has 1 client at this point.
 638   EXPECT_EQ(get_clients_from_host().size(), 1U);
 639
 640   ShutdownHost();
 641   message_loop_.Run();
 642 }
 643
 644 TEST_F(ChromotingHostTest, OnSessionRouteChange) {
 645   std::string channel_name("ChannelName");
 646   protocol::TransportRoute route;
 647
 648   ExpectHostAndSessionManagerStart();
 649   Expectation video_packet_sent = ExpectClientConnected(
 650       0, InvokeWithoutArgs(CreateFunctor(
 651           this, &ChromotingHostTest::ChangeSessionRoute, channel_name, route)));
 652   Expectation route_change =
 653       EXPECT_CALL(host_status_observer_, OnClientRouteChange(
 654           session_jid1_, channel_name, _))
 655       .After(video_packet_sent)
 656       .WillOnce(InvokeWithoutArgs(this, &ChromotingHostTest::ShutdownHost));
 657   ExpectClientDisconnected(0, true, route_change,
 658                            InvokeWithoutArgs(base::DoNothing));
 659   EXPECT_CALL(host_status_observer_, OnShutdown());
 660
 661   host_->Start(xmpp_login_);
 662   SimulateClientConnection(0, true, false);
 663   message_loop_.Run();
 664 }
 665
 666 TEST_F(ChromotingHostTest, DisconnectAllClients) {
 667   ExpectHostAndSessionManagerStart();
 668   Expectation video_packet_sent = ExpectClientConnected(
 669       0, InvokeWithoutArgs(this, &ChromotingHostTest::DisconnectAllClients));
 670   ExpectClientDisconnected(0, true, video_packet_sent,
 671       InvokeWithoutArgs(this, &ChromotingHostTest::ShutdownHost));
 672   EXPECT_CALL(host_status_observer_, OnShutdown());
 673
 674   host_->Start(xmpp_login_);
 675   SimulateClientConnection(0, true, false);
 676   message_loop_.Run();
 677 }
 678
 679 }  // namespace remoting