chrome/browser/io_thread_unittest.cc

   1 // Copyright 2014 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/command_line.h"
   6 #include "base/metrics/field_trial.h"
   7 #include "base/test/mock_entropy_provider.h"
   8 #include "chrome/browser/io_thread.h"
   9 #include "chrome/common/chrome_switches.h"
  10 #include "components/data_reduction_proxy/core/common/data_reduction_proxy_params.h"
  11 #include "net/http/http_network_session.h"
  12 #include "net/http/http_server_properties_impl.h"
  13 #include "net/quic/quic_protocol.h"
  14 #include "testing/gmock/include/gmock/gmock.h"
  15 #include "testing/gtest/include/gtest/gtest.h"
  16
  17 namespace test {
  18
  19 using ::testing::ElementsAre;
  20
  21 class IOThreadPeer {
  22  public:
  23   static void ConfigureQuicGlobals(
  24       const base::CommandLine& command_line,
  25       base::StringPiece quic_trial_group,
  26       const std::map<std::string, std::string>& quic_trial_params,
  27       bool is_quic_allowed_by_policy,
  28       IOThread::Globals* globals) {
  29     IOThread::ConfigureQuicGlobals(command_line, quic_trial_group,
  30                                    quic_trial_params, is_quic_allowed_by_policy,
  31                                    globals);
  32   }
  33
  34   static void ConfigureSpdyGlobals(
  35       const base::CommandLine& command_line,
  36       base::StringPiece spdy_trial_group,
  37       const std::map<std::string, std::string>& spdy_trial_params,
  38       IOThread::Globals* globals) {
  39     IOThread::ConfigureSpdyGlobals(command_line, spdy_trial_group,
  40                                    spdy_trial_params, globals);
  41   }
  42
  43   static void InitializeNetworkSessionParamsFromGlobals(
  44       const IOThread::Globals& globals,
  45       net::HttpNetworkSession::Params* params) {
  46     IOThread::InitializeNetworkSessionParamsFromGlobals(globals, params);
  47   }
  48 };
  49
  50 class IOThreadTest : public testing::Test {
  51  public:
  52   IOThreadTest()
  53       : command_line_(base::CommandLine::NO_PROGRAM),
  54         is_quic_allowed_by_policy_(true) {
  55     globals_.http_server_properties.reset(new net::HttpServerPropertiesImpl());
  56   }
  57
  58   void ConfigureQuicGlobals() {
  59     IOThreadPeer::ConfigureQuicGlobals(command_line_,
  60                                        field_trial_group_,
  61                                        field_trial_params_,
  62                                        is_quic_allowed_by_policy_,
  63                                        &globals_);
  64   }
  65
  66   void ConfigureSpdyGlobals() {
  67     IOThreadPeer::ConfigureSpdyGlobals(command_line_, field_trial_group_,
  68                                        field_trial_params_, &globals_);
  69   }
  70
  71   void InitializeNetworkSessionParams(net::HttpNetworkSession::Params* params) {
  72     IOThreadPeer::InitializeNetworkSessionParamsFromGlobals(globals_, params);
  73   }
  74
  75   base::CommandLine command_line_;
  76   IOThread::Globals globals_;
  77   std::string field_trial_group_;
  78   bool is_quic_allowed_by_policy_;
  79   std::map<std::string, std::string> field_trial_params_;
  80 };
  81
  82 TEST_F(IOThreadTest, InitializeNetworkSessionParamsFromGlobals) {
  83   globals_.quic_connection_options.push_back(net::kTBBR);
  84   globals_.quic_connection_options.push_back(net::kTIME);
  85
  86   net::HttpNetworkSession::Params params;
  87   InitializeNetworkSessionParams(&params);
  88   EXPECT_EQ(globals_.quic_connection_options,
  89             params.quic_connection_options);
  90 }
  91
  92 TEST_F(IOThreadTest, SpdyFieldTrialHoldbackEnabled) {
  93   net::HttpStreamFactory::set_spdy_enabled(true);
  94   field_trial_group_ = "SpdyDisabled";
  95   ConfigureSpdyGlobals();
  96   EXPECT_FALSE(net::HttpStreamFactory::spdy_enabled());
  97 }
  98
  99 TEST_F(IOThreadTest, SpdyFieldTrialSpdy31Enabled) {
 100   field_trial_group_ = "Spdy31Enabled";
 101   ConfigureSpdyGlobals();
 102   EXPECT_THAT(globals_.next_protos,
 103               ElementsAre(net::kProtoHTTP11,
 104                           net::kProtoSPDY31));
 105 }
 106
 107 TEST_F(IOThreadTest, SpdyFieldTrialSpdy4Enabled) {
 108   field_trial_group_ = "Spdy4Enabled";
 109   ConfigureSpdyGlobals();
 110   EXPECT_THAT(
 111       globals_.next_protos,
 112       ElementsAre(net::kProtoHTTP11, net::kProtoSPDY31, net::kProtoHTTP2));
 113 }
 114
 115 TEST_F(IOThreadTest, SpdyFieldTrialDefault) {
 116   field_trial_group_ = "";
 117   ConfigureSpdyGlobals();
 118   EXPECT_THAT(
 119       globals_.next_protos,
 120       ElementsAre(net::kProtoHTTP11, net::kProtoSPDY31, net::kProtoHTTP2));
 121 }
 122
 123 TEST_F(IOThreadTest, SpdyFieldTrialParametrized) {
 124   field_trial_params_["enable_spdy31"] = "false";
 125   // Undefined parameter "enable_http2_14" should default to false.
 126   field_trial_params_["enable_http2"] = "true";
 127   field_trial_group_ = "ParametrizedHTTP2Only";
 128   ConfigureSpdyGlobals();
 129   EXPECT_THAT(globals_.next_protos,
 130               ElementsAre(net::kProtoHTTP11, net::kProtoHTTP2));
 131 }
 132
 133 TEST_F(IOThreadTest, SpdyCommandLineUseSpdyOff) {
 134   command_line_.AppendSwitchASCII("use-spdy", "off");
 135   // Command line should overwrite field trial group.
 136   field_trial_group_ = "Spdy4Enabled";
 137   ConfigureSpdyGlobals();
 138   EXPECT_EQ(0u, globals_.next_protos.size());
 139 }
 140
 141 TEST_F(IOThreadTest, DisableQuicByDefault) {
 142   ConfigureQuicGlobals();
 143   net::HttpNetworkSession::Params params;
 144   InitializeNetworkSessionParams(&params);
 145   EXPECT_FALSE(params.enable_quic);
 146   EXPECT_FALSE(params.enable_quic_for_proxies);
 147   EXPECT_FALSE(IOThread::ShouldEnableQuicForDataReductionProxy());
 148 }
 149
 150 TEST_F(IOThreadTest, EnableQuicFromFieldTrialGroup) {
 151   field_trial_group_ = "Enabled";
 152
 153   ConfigureQuicGlobals();
 154   net::HttpNetworkSession::Params default_params;
 155   net::HttpNetworkSession::Params params;
 156   InitializeNetworkSessionParams(&params);
 157   EXPECT_TRUE(params.enable_quic);
 158   EXPECT_FALSE(params.enable_insecure_quic);
 159   EXPECT_TRUE(params.enable_quic_for_proxies);
 160   EXPECT_EQ(1350u, params.quic_max_packet_length);
 161   EXPECT_EQ(1.0, params.alternative_service_probability_threshold);
 162   EXPECT_EQ(default_params.quic_supported_versions,
 163             params.quic_supported_versions);
 164   EXPECT_EQ(net::QuicTagVector(), params.quic_connection_options);
 165   EXPECT_FALSE(params.quic_always_require_handshake_confirmation);
 166   EXPECT_FALSE(params.quic_disable_connection_pooling);
 167   EXPECT_EQ(0.25f, params.quic_load_server_info_timeout_srtt_multiplier);
 168   EXPECT_FALSE(params.quic_enable_connection_racing);
 169   EXPECT_FALSE(params.quic_enable_non_blocking_io);
 170   EXPECT_FALSE(params.quic_disable_disk_cache);
 171   EXPECT_FALSE(params.quic_prefer_aes);
 172   EXPECT_FALSE(params.use_alternative_services);
 173   EXPECT_EQ(4, params.quic_max_number_of_lossy_connections);
 174   EXPECT_EQ(0.5f, params.quic_packet_loss_threshold);
 175   EXPECT_FALSE(params.quic_delay_tcp_race);
 176   EXPECT_FALSE(IOThread::ShouldEnableQuicForDataReductionProxy());
 177 }
 178
 179 TEST_F(IOThreadTest, EnableQuicFromQuicProxyFieldTrialGroup) {
 180   base::FieldTrialList field_trial_list(new base::MockEntropyProvider());
 181   base::FieldTrialList::CreateFieldTrial(
 182       data_reduction_proxy::params::GetQuicFieldTrialName(), "Enabled");
 183
 184   ConfigureQuicGlobals();
 185   net::HttpNetworkSession::Params params;
 186   InitializeNetworkSessionParams(&params);
 187   EXPECT_FALSE(params.enable_quic);
 188   EXPECT_TRUE(params.enable_quic_for_proxies);
 189   EXPECT_TRUE(IOThread::ShouldEnableQuicForDataReductionProxy());
 190   EXPECT_EQ(1024 * 1024, params.quic_socket_receive_buffer_size);
 191 }
 192
 193 TEST_F(IOThreadTest, EnableQuicFromCommandLine) {
 194   command_line_.AppendSwitch("enable-quic");
 195
 196   ConfigureQuicGlobals();
 197   net::HttpNetworkSession::Params params;
 198   InitializeNetworkSessionParams(&params);
 199   EXPECT_TRUE(params.enable_quic);
 200   EXPECT_TRUE(params.enable_quic_for_proxies);
 201   EXPECT_FALSE(IOThread::ShouldEnableQuicForDataReductionProxy());
 202 }
 203
 204 TEST_F(IOThreadTest, EnableAlternativeServicesFromCommandLineWithQuicDisabled) {
 205   command_line_.AppendSwitch("enable-alternative-services");
 206
 207   ConfigureQuicGlobals();
 208   net::HttpNetworkSession::Params params;
 209   InitializeNetworkSessionParams(&params);
 210   EXPECT_FALSE(params.enable_quic);
 211   EXPECT_TRUE(params.use_alternative_services);
 212 }
 213
 214 TEST_F(IOThreadTest, EnableAlternativeServicesFromCommandLineWithQuicEnabled) {
 215   command_line_.AppendSwitch("enable-quic");
 216   command_line_.AppendSwitch("enable-alternative-services");
 217
 218   ConfigureQuicGlobals();
 219   net::HttpNetworkSession::Params params;
 220   InitializeNetworkSessionParams(&params);
 221   EXPECT_TRUE(params.enable_quic);
 222   EXPECT_TRUE(params.use_alternative_services);
 223 }
 224
 225 TEST_F(IOThreadTest, EnableInsecureQuicFromFieldTrialParams) {
 226   field_trial_group_ = "Enabled";
 227   field_trial_params_["enable_insecure_quic"] = "true";
 228
 229   ConfigureQuicGlobals();
 230   net::HttpNetworkSession::Params params;
 231   InitializeNetworkSessionParams(&params);
 232   EXPECT_TRUE(params.enable_insecure_quic);
 233 }
 234
 235 TEST_F(IOThreadTest, EnableInsecureQuicCommandLine) {
 236   command_line_.AppendSwitch("enable-quic");
 237   command_line_.AppendSwitch("enable-insecure-quic");
 238
 239   ConfigureQuicGlobals();
 240   net::HttpNetworkSession::Params params;
 241   InitializeNetworkSessionParams(&params);
 242   EXPECT_TRUE(params.enable_insecure_quic);
 243 }
 244
 245 TEST_F(IOThreadTest, PacketLengthFromCommandLine) {
 246   command_line_.AppendSwitch("enable-quic");
 247   command_line_.AppendSwitchASCII("quic-max-packet-length", "1450");
 248
 249   ConfigureQuicGlobals();
 250   net::HttpNetworkSession::Params params;
 251   InitializeNetworkSessionParams(&params);
 252   EXPECT_EQ(1450u, params.quic_max_packet_length);
 253 }
 254
 255 TEST_F(IOThreadTest, PacketLengthFromFieldTrialParams) {
 256   field_trial_group_ = "Enabled";
 257   field_trial_params_["max_packet_length"] = "1450";
 258
 259   ConfigureQuicGlobals();
 260   net::HttpNetworkSession::Params params;
 261   InitializeNetworkSessionParams(&params);
 262   EXPECT_EQ(1450u, params.quic_max_packet_length);
 263 }
 264
 265 TEST_F(IOThreadTest, QuicVersionFromCommandLine) {
 266   command_line_.AppendSwitch("enable-quic");
 267   std::string version =
 268       net::QuicVersionToString(net::QuicSupportedVersions().back());
 269   command_line_.AppendSwitchASCII("quic-version", version);
 270
 271   ConfigureQuicGlobals();
 272   net::HttpNetworkSession::Params params;
 273   InitializeNetworkSessionParams(&params);
 274   net::QuicVersionVector supported_versions;
 275   supported_versions.push_back(net::QuicSupportedVersions().back());
 276   EXPECT_EQ(supported_versions, params.quic_supported_versions);
 277 }
 278
 279 TEST_F(IOThreadTest, QuicVersionFromFieldTrialParams) {
 280   field_trial_group_ = "Enabled";
 281   field_trial_params_["quic_version"] =
 282       net::QuicVersionToString(net::QuicSupportedVersions().back());
 283
 284   ConfigureQuicGlobals();
 285   net::HttpNetworkSession::Params params;
 286   InitializeNetworkSessionParams(&params);
 287   net::QuicVersionVector supported_versions;
 288   supported_versions.push_back(net::QuicSupportedVersions().back());
 289   EXPECT_EQ(supported_versions, params.quic_supported_versions);
 290 }
 291
 292 TEST_F(IOThreadTest, QuicConnectionOptionsFromCommandLine) {
 293   command_line_.AppendSwitch("enable-quic");
 294   command_line_.AppendSwitchASCII("quic-connection-options",
 295                                   "TIME,TBBR,REJ");
 296
 297   ConfigureQuicGlobals();
 298   net::HttpNetworkSession::Params params;
 299   InitializeNetworkSessionParams(&params);
 300
 301   net::QuicTagVector options;
 302   options.push_back(net::kTIME);
 303   options.push_back(net::kTBBR);
 304   options.push_back(net::kREJ);
 305   EXPECT_EQ(options, params.quic_connection_options);
 306 }
 307
 308 TEST_F(IOThreadTest, QuicConnectionOptionsFromFieldTrialParams) {
 309   field_trial_group_ = "Enabled";
 310   field_trial_params_["connection_options"] = "TIME,TBBR,REJ";
 311
 312   ConfigureQuicGlobals();
 313   net::HttpNetworkSession::Params params;
 314   InitializeNetworkSessionParams(&params);
 315
 316   net::QuicTagVector options;
 317   options.push_back(net::kTIME);
 318   options.push_back(net::kTBBR);
 319   options.push_back(net::kREJ);
 320   EXPECT_EQ(options, params.quic_connection_options);
 321 }
 322
 323 TEST_F(IOThreadTest,
 324        QuicAlwaysRequireHandshakeConfirmationFromFieldTrialParams) {
 325   field_trial_group_ = "Enabled";
 326   field_trial_params_["always_require_handshake_confirmation"] = "true";
 327   ConfigureQuicGlobals();
 328   net::HttpNetworkSession::Params params;
 329   InitializeNetworkSessionParams(&params);
 330   EXPECT_TRUE(params.quic_always_require_handshake_confirmation);
 331 }
 332
 333 TEST_F(IOThreadTest,
 334        QuicDisableConnectionPoolingFromFieldTrialParams) {
 335   field_trial_group_ = "Enabled";
 336   field_trial_params_["disable_connection_pooling"] = "true";
 337   ConfigureQuicGlobals();
 338   net::HttpNetworkSession::Params params;
 339   InitializeNetworkSessionParams(&params);
 340   EXPECT_TRUE(params.quic_disable_connection_pooling);
 341 }
 342
 343 TEST_F(IOThreadTest, QuicLoadServerInfoTimeToSmoothedRttFromFieldTrialParams) {
 344   field_trial_group_ = "Enabled";
 345   field_trial_params_["load_server_info_time_to_srtt"] = "0.5";
 346   ConfigureQuicGlobals();
 347   net::HttpNetworkSession::Params params;
 348   InitializeNetworkSessionParams(&params);
 349   EXPECT_EQ(0.5f, params.quic_load_server_info_timeout_srtt_multiplier);
 350 }
 351
 352 TEST_F(IOThreadTest, QuicEnableConnectionRacing) {
 353   field_trial_group_ = "Enabled";
 354   field_trial_params_["enable_connection_racing"] = "true";
 355   ConfigureQuicGlobals();
 356   net::HttpNetworkSession::Params params;
 357   InitializeNetworkSessionParams(&params);
 358   EXPECT_TRUE(params.quic_enable_connection_racing);
 359 }
 360
 361 TEST_F(IOThreadTest, QuicEnableNonBlockingIO) {
 362   field_trial_group_ = "Enabled";
 363   field_trial_params_["enable_non_blocking_io"] = "true";
 364   ConfigureQuicGlobals();
 365   net::HttpNetworkSession::Params params;
 366   InitializeNetworkSessionParams(&params);
 367   EXPECT_TRUE(params.quic_enable_non_blocking_io);
 368 }
 369
 370 TEST_F(IOThreadTest, QuicDisableDiskCache) {
 371   field_trial_group_ = "Enabled";
 372   field_trial_params_["disable_disk_cache"] = "true";
 373   ConfigureQuicGlobals();
 374   net::HttpNetworkSession::Params params;
 375   InitializeNetworkSessionParams(&params);
 376   EXPECT_TRUE(params.quic_disable_disk_cache);
 377 }
 378
 379 TEST_F(IOThreadTest, QuicPreferAes) {
 380   field_trial_group_ = "Enabled";
 381   field_trial_params_["prefer_aes"] = "true";
 382   ConfigureQuicGlobals();
 383   net::HttpNetworkSession::Params params;
 384   InitializeNetworkSessionParams(&params);
 385   EXPECT_TRUE(params.quic_prefer_aes);
 386 }
 387
 388 TEST_F(IOThreadTest, QuicEnableAlternativeServicesFromFieldTrialParams) {
 389   field_trial_group_ = "Enabled";
 390   field_trial_params_["use_alternative_services"] = "true";
 391
 392   ConfigureQuicGlobals();
 393   net::HttpNetworkSession::Params params;
 394   InitializeNetworkSessionParams(&params);
 395   EXPECT_TRUE(params.use_alternative_services);
 396 }
 397
 398 TEST_F(IOThreadTest, QuicMaxNumberOfLossyConnectionsFieldTrialParams) {
 399   field_trial_group_ = "Enabled";
 400   field_trial_params_["max_number_of_lossy_connections"] = "5";
 401   ConfigureQuicGlobals();
 402   net::HttpNetworkSession::Params params;
 403   InitializeNetworkSessionParams(&params);
 404   EXPECT_EQ(5, params.quic_max_number_of_lossy_connections);
 405 }
 406
 407 TEST_F(IOThreadTest, QuicPacketLossThresholdFieldTrialParams) {
 408   field_trial_group_ = "Enabled";
 409   field_trial_params_["packet_loss_threshold"] = "0.6";
 410   ConfigureQuicGlobals();
 411   net::HttpNetworkSession::Params params;
 412   InitializeNetworkSessionParams(&params);
 413   EXPECT_EQ(0.6f, params.quic_packet_loss_threshold);
 414 }
 415
 416 TEST_F(IOThreadTest, QuicReceiveBufferSize) {
 417   field_trial_group_ = "Enabled";
 418   field_trial_params_["receive_buffer_size"] = "2097152";
 419   ConfigureQuicGlobals();
 420   net::HttpNetworkSession::Params params;
 421   InitializeNetworkSessionParams(&params);
 422   EXPECT_EQ(2097152, params.quic_socket_receive_buffer_size);
 423 }
 424
 425 TEST_F(IOThreadTest, QuicDelayTcpConnection) {
 426   field_trial_group_ = "Enabled";
 427   field_trial_params_["delay_tcp_race"] = "true";
 428   ConfigureQuicGlobals();
 429   net::HttpNetworkSession::Params params;
 430   InitializeNetworkSessionParams(&params);
 431   EXPECT_TRUE(params.quic_delay_tcp_race);
 432 }
 433
 434 TEST_F(IOThreadTest, AlternativeServiceProbabilityThresholdFromFlag) {
 435   command_line_.AppendSwitchASCII("alternative-service-probability-threshold",
 436                                   "0.5");
 437
 438   ConfigureQuicGlobals();
 439   net::HttpNetworkSession::Params params;
 440   InitializeNetworkSessionParams(&params);
 441   EXPECT_EQ(.5, params.alternative_service_probability_threshold);
 442 }
 443
 444 TEST_F(IOThreadTest, AlternativeServiceProbabilityThresholdFromEnableQuicFlag) {
 445   command_line_.AppendSwitch("enable-quic");
 446
 447   ConfigureQuicGlobals();
 448   net::HttpNetworkSession::Params params;
 449   InitializeNetworkSessionParams(&params);
 450   EXPECT_EQ(0, params.alternative_service_probability_threshold);
 451 }
 452
 453 // TODO(bnc): Remove when new parameter name rolls out and server configuration
 454 // is changed.
 455 TEST_F(IOThreadTest, AlternativeServiceProbabilityThresholdFromOldParams) {
 456   field_trial_group_ = "Enabled";
 457   field_trial_params_["alternate_protocol_probability_threshold"] = ".5";
 458
 459   ConfigureQuicGlobals();
 460   net::HttpNetworkSession::Params params;
 461   InitializeNetworkSessionParams(&params);
 462   EXPECT_EQ(.5, params.alternative_service_probability_threshold);
 463 }
 464
 465 TEST_F(IOThreadTest, AlternativeServiceProbabilityThresholdFromParams) {
 466   field_trial_group_ = "Enabled";
 467   field_trial_params_["alternative_service_probability_threshold"] = ".5";
 468
 469   ConfigureQuicGlobals();
 470   net::HttpNetworkSession::Params params;
 471   InitializeNetworkSessionParams(&params);
 472   EXPECT_EQ(.5, params.alternative_service_probability_threshold);
 473 }
 474
 475 TEST_F(IOThreadTest, QuicDisallowedByPolicy) {
 476   command_line_.AppendSwitch(switches::kEnableQuic);
 477   is_quic_allowed_by_policy_ = false;
 478   ConfigureQuicGlobals();
 479
 480   net::HttpNetworkSession::Params params;
 481   InitializeNetworkSessionParams(&params);
 482   EXPECT_FALSE(params.enable_quic);
 483 }
 484
 485 }  // namespace test