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(IOThread::ShouldEnableQuicForDataReductionProxy());
 176 }
 177
 178 TEST_F(IOThreadTest, EnableQuicFromQuicProxyFieldTrialGroup) {
 179   base::FieldTrialList field_trial_list(new base::MockEntropyProvider());
 180   base::FieldTrialList::CreateFieldTrial(
 181       data_reduction_proxy::params::GetQuicFieldTrialName(), "Enabled");
 182
 183   ConfigureQuicGlobals();
 184   net::HttpNetworkSession::Params params;
 185   InitializeNetworkSessionParams(&params);
 186   EXPECT_FALSE(params.enable_quic);
 187   EXPECT_TRUE(params.enable_quic_for_proxies);
 188   EXPECT_TRUE(IOThread::ShouldEnableQuicForDataReductionProxy());
 189   EXPECT_EQ(1024 * 1024, params.quic_socket_receive_buffer_size);
 190 }
 191
 192 TEST_F(IOThreadTest, EnableQuicFromCommandLine) {
 193   command_line_.AppendSwitch("enable-quic");
 194
 195   ConfigureQuicGlobals();
 196   net::HttpNetworkSession::Params params;
 197   InitializeNetworkSessionParams(&params);
 198   EXPECT_TRUE(params.enable_quic);
 199   EXPECT_TRUE(params.enable_quic_for_proxies);
 200   EXPECT_FALSE(IOThread::ShouldEnableQuicForDataReductionProxy());
 201 }
 202
 203 TEST_F(IOThreadTest, EnableAlternativeServicesFromCommandLineWithQuicDisabled) {
 204   command_line_.AppendSwitch("enable-alternative-services");
 205
 206   ConfigureQuicGlobals();
 207   net::HttpNetworkSession::Params params;
 208   InitializeNetworkSessionParams(&params);
 209   EXPECT_FALSE(params.enable_quic);
 210   EXPECT_TRUE(params.use_alternative_services);
 211 }
 212
 213 TEST_F(IOThreadTest, EnableAlternativeServicesFromCommandLineWithQuicEnabled) {
 214   command_line_.AppendSwitch("enable-quic");
 215   command_line_.AppendSwitch("enable-alternative-services");
 216
 217   ConfigureQuicGlobals();
 218   net::HttpNetworkSession::Params params;
 219   InitializeNetworkSessionParams(&params);
 220   EXPECT_TRUE(params.enable_quic);
 221   EXPECT_TRUE(params.use_alternative_services);
 222 }
 223
 224 TEST_F(IOThreadTest, EnableInsecureQuicFromFieldTrialParams) {
 225   field_trial_group_ = "Enabled";
 226   field_trial_params_["enable_insecure_quic"] = "true";
 227
 228   ConfigureQuicGlobals();
 229   net::HttpNetworkSession::Params params;
 230   InitializeNetworkSessionParams(&params);
 231   EXPECT_TRUE(params.enable_insecure_quic);
 232 }
 233
 234 TEST_F(IOThreadTest, EnableInsecureQuicCommandLine) {
 235   command_line_.AppendSwitch("enable-quic");
 236   command_line_.AppendSwitch("enable-insecure-quic");
 237
 238   ConfigureQuicGlobals();
 239   net::HttpNetworkSession::Params params;
 240   InitializeNetworkSessionParams(&params);
 241   EXPECT_TRUE(params.enable_insecure_quic);
 242 }
 243
 244 TEST_F(IOThreadTest, PacketLengthFromCommandLine) {
 245   command_line_.AppendSwitch("enable-quic");
 246   command_line_.AppendSwitchASCII("quic-max-packet-length", "1450");
 247
 248   ConfigureQuicGlobals();
 249   net::HttpNetworkSession::Params params;
 250   InitializeNetworkSessionParams(&params);
 251   EXPECT_EQ(1450u, params.quic_max_packet_length);
 252 }
 253
 254 TEST_F(IOThreadTest, PacketLengthFromFieldTrialParams) {
 255   field_trial_group_ = "Enabled";
 256   field_trial_params_["max_packet_length"] = "1450";
 257
 258   ConfigureQuicGlobals();
 259   net::HttpNetworkSession::Params params;
 260   InitializeNetworkSessionParams(&params);
 261   EXPECT_EQ(1450u, params.quic_max_packet_length);
 262 }
 263
 264 TEST_F(IOThreadTest, QuicVersionFromCommandLine) {
 265   command_line_.AppendSwitch("enable-quic");
 266   std::string version =
 267       net::QuicVersionToString(net::QuicSupportedVersions().back());
 268   command_line_.AppendSwitchASCII("quic-version", version);
 269
 270   ConfigureQuicGlobals();
 271   net::HttpNetworkSession::Params params;
 272   InitializeNetworkSessionParams(&params);
 273   net::QuicVersionVector supported_versions;
 274   supported_versions.push_back(net::QuicSupportedVersions().back());
 275   EXPECT_EQ(supported_versions, params.quic_supported_versions);
 276 }
 277
 278 TEST_F(IOThreadTest, QuicVersionFromFieldTrialParams) {
 279   field_trial_group_ = "Enabled";
 280   field_trial_params_["quic_version"] =
 281       net::QuicVersionToString(net::QuicSupportedVersions().back());
 282
 283   ConfigureQuicGlobals();
 284   net::HttpNetworkSession::Params params;
 285   InitializeNetworkSessionParams(&params);
 286   net::QuicVersionVector supported_versions;
 287   supported_versions.push_back(net::QuicSupportedVersions().back());
 288   EXPECT_EQ(supported_versions, params.quic_supported_versions);
 289 }
 290
 291 TEST_F(IOThreadTest, QuicConnectionOptionsFromCommandLine) {
 292   command_line_.AppendSwitch("enable-quic");
 293   command_line_.AppendSwitchASCII("quic-connection-options",
 294                                   "TIME,TBBR,REJ");
 295
 296   ConfigureQuicGlobals();
 297   net::HttpNetworkSession::Params params;
 298   InitializeNetworkSessionParams(&params);
 299
 300   net::QuicTagVector options;
 301   options.push_back(net::kTIME);
 302   options.push_back(net::kTBBR);
 303   options.push_back(net::kREJ);
 304   EXPECT_EQ(options, params.quic_connection_options);
 305 }
 306
 307 TEST_F(IOThreadTest, QuicConnectionOptionsFromFieldTrialParams) {
 308   field_trial_group_ = "Enabled";
 309   field_trial_params_["connection_options"] = "TIME,TBBR,REJ";
 310
 311   ConfigureQuicGlobals();
 312   net::HttpNetworkSession::Params params;
 313   InitializeNetworkSessionParams(&params);
 314
 315   net::QuicTagVector options;
 316   options.push_back(net::kTIME);
 317   options.push_back(net::kTBBR);
 318   options.push_back(net::kREJ);
 319   EXPECT_EQ(options, params.quic_connection_options);
 320 }
 321
 322 TEST_F(IOThreadTest,
 323        QuicAlwaysRequireHandshakeConfirmationFromFieldTrialParams) {
 324   field_trial_group_ = "Enabled";
 325   field_trial_params_["always_require_handshake_confirmation"] = "true";
 326   ConfigureQuicGlobals();
 327   net::HttpNetworkSession::Params params;
 328   InitializeNetworkSessionParams(&params);
 329   EXPECT_TRUE(params.quic_always_require_handshake_confirmation);
 330 }
 331
 332 TEST_F(IOThreadTest,
 333        QuicDisableConnectionPoolingFromFieldTrialParams) {
 334   field_trial_group_ = "Enabled";
 335   field_trial_params_["disable_connection_pooling"] = "true";
 336   ConfigureQuicGlobals();
 337   net::HttpNetworkSession::Params params;
 338   InitializeNetworkSessionParams(&params);
 339   EXPECT_TRUE(params.quic_disable_connection_pooling);
 340 }
 341
 342 TEST_F(IOThreadTest, QuicLoadServerInfoTimeToSmoothedRttFromFieldTrialParams) {
 343   field_trial_group_ = "Enabled";
 344   field_trial_params_["load_server_info_time_to_srtt"] = "0.5";
 345   ConfigureQuicGlobals();
 346   net::HttpNetworkSession::Params params;
 347   InitializeNetworkSessionParams(&params);
 348   EXPECT_EQ(0.5f, params.quic_load_server_info_timeout_srtt_multiplier);
 349 }
 350
 351 TEST_F(IOThreadTest, QuicEnableConnectionRacing) {
 352   field_trial_group_ = "Enabled";
 353   field_trial_params_["enable_connection_racing"] = "true";
 354   ConfigureQuicGlobals();
 355   net::HttpNetworkSession::Params params;
 356   InitializeNetworkSessionParams(&params);
 357   EXPECT_TRUE(params.quic_enable_connection_racing);
 358 }
 359
 360 TEST_F(IOThreadTest, QuicEnableNonBlockingIO) {
 361   field_trial_group_ = "Enabled";
 362   field_trial_params_["enable_non_blocking_io"] = "true";
 363   ConfigureQuicGlobals();
 364   net::HttpNetworkSession::Params params;
 365   InitializeNetworkSessionParams(&params);
 366   EXPECT_TRUE(params.quic_enable_non_blocking_io);
 367 }
 368
 369 TEST_F(IOThreadTest, QuicDisableDiskCache) {
 370   field_trial_group_ = "Enabled";
 371   field_trial_params_["disable_disk_cache"] = "true";
 372   ConfigureQuicGlobals();
 373   net::HttpNetworkSession::Params params;
 374   InitializeNetworkSessionParams(&params);
 375   EXPECT_TRUE(params.quic_disable_disk_cache);
 376 }
 377
 378 TEST_F(IOThreadTest, QuicPreferAes) {
 379   field_trial_group_ = "Enabled";
 380   field_trial_params_["prefer_aes"] = "true";
 381   ConfigureQuicGlobals();
 382   net::HttpNetworkSession::Params params;
 383   InitializeNetworkSessionParams(&params);
 384   EXPECT_TRUE(params.quic_prefer_aes);
 385 }
 386
 387 TEST_F(IOThreadTest, QuicEnableAlternativeServicesFromFieldTrialParams) {
 388   field_trial_group_ = "Enabled";
 389   field_trial_params_["use_alternative_services"] = "true";
 390
 391   ConfigureQuicGlobals();
 392   net::HttpNetworkSession::Params params;
 393   InitializeNetworkSessionParams(&params);
 394   EXPECT_TRUE(params.use_alternative_services);
 395 }
 396
 397 TEST_F(IOThreadTest, QuicMaxNumberOfLossyConnectionsFieldTrialParams) {
 398   field_trial_group_ = "Enabled";
 399   field_trial_params_["max_number_of_lossy_connections"] = "5";
 400   ConfigureQuicGlobals();
 401   net::HttpNetworkSession::Params params;
 402   InitializeNetworkSessionParams(&params);
 403   EXPECT_EQ(5, params.quic_max_number_of_lossy_connections);
 404 }
 405
 406 TEST_F(IOThreadTest, QuicPacketLossThresholdFieldTrialParams) {
 407   field_trial_group_ = "Enabled";
 408   field_trial_params_["packet_loss_threshold"] = "0.6";
 409   ConfigureQuicGlobals();
 410   net::HttpNetworkSession::Params params;
 411   InitializeNetworkSessionParams(&params);
 412   EXPECT_EQ(0.6f, params.quic_packet_loss_threshold);
 413 }
 414
 415 TEST_F(IOThreadTest, QuicReceiveBufferSize) {
 416   field_trial_group_ = "Enabled";
 417   field_trial_params_["receive_buffer_size"] = "2097152";
 418   ConfigureQuicGlobals();
 419   net::HttpNetworkSession::Params params;
 420   InitializeNetworkSessionParams(&params);
 421   EXPECT_EQ(2097152, params.quic_socket_receive_buffer_size);
 422 }
 423
 424 TEST_F(IOThreadTest, AlternativeServiceProbabilityThresholdFromFlag) {
 425   command_line_.AppendSwitchASCII("alternative-service-probability-threshold",
 426                                   "0.5");
 427
 428   ConfigureQuicGlobals();
 429   net::HttpNetworkSession::Params params;
 430   InitializeNetworkSessionParams(&params);
 431   EXPECT_EQ(.5, params.alternative_service_probability_threshold);
 432 }
 433
 434 TEST_F(IOThreadTest, AlternativeServiceProbabilityThresholdFromEnableQuicFlag) {
 435   command_line_.AppendSwitch("enable-quic");
 436
 437   ConfigureQuicGlobals();
 438   net::HttpNetworkSession::Params params;
 439   InitializeNetworkSessionParams(&params);
 440   EXPECT_EQ(0, params.alternative_service_probability_threshold);
 441 }
 442
 443 // TODO(bnc): Remove when new parameter name rolls out and server configuration
 444 // is changed.
 445 TEST_F(IOThreadTest, AlternativeServiceProbabilityThresholdFromOldParams) {
 446   field_trial_group_ = "Enabled";
 447   field_trial_params_["alternate_protocol_probability_threshold"] = ".5";
 448
 449   ConfigureQuicGlobals();
 450   net::HttpNetworkSession::Params params;
 451   InitializeNetworkSessionParams(&params);
 452   EXPECT_EQ(.5, params.alternative_service_probability_threshold);
 453 }
 454
 455 TEST_F(IOThreadTest, AlternativeServiceProbabilityThresholdFromParams) {
 456   field_trial_group_ = "Enabled";
 457   field_trial_params_["alternative_service_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, QuicDisallowedByPolicy) {
 466   command_line_.AppendSwitch(switches::kEnableQuic);
 467   is_quic_allowed_by_policy_ = false;
 468   ConfigureQuicGlobals();
 469
 470   net::HttpNetworkSession::Params params;
 471   InitializeNetworkSessionParams(&params);
 472   EXPECT_FALSE(params.enable_quic);
 473 }
 474
 475 }  // namespace test