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   bool use_alternate_protocols = false;
 101   field_trial_group_ = "Spdy31Enabled";
 102   ConfigureSpdyGlobals();
 103   EXPECT_THAT(globals_.next_protos,
 104               ElementsAre(net::kProtoHTTP11,
 105                           net::kProtoSPDY31));
 106   globals_.use_alternate_protocols.CopyToIfSet(&use_alternate_protocols);
 107   EXPECT_TRUE(use_alternate_protocols);
 108 }
 109
 110 TEST_F(IOThreadTest, SpdyFieldTrialSpdy4Enabled) {
 111   bool use_alternate_protocols = false;
 112   field_trial_group_ = "Spdy4Enabled";
 113   ConfigureSpdyGlobals();
 114   EXPECT_THAT(globals_.next_protos,
 115               ElementsAre(net::kProtoHTTP11, net::kProtoSPDY31,
 116                           net::kProtoHTTP2_14, net::kProtoHTTP2));
 117   globals_.use_alternate_protocols.CopyToIfSet(&use_alternate_protocols);
 118   EXPECT_TRUE(use_alternate_protocols);
 119 }
 120
 121 TEST_F(IOThreadTest, SpdyFieldTrialDefault) {
 122   field_trial_group_ = "";
 123   ConfigureSpdyGlobals();
 124   EXPECT_THAT(globals_.next_protos,
 125               ElementsAre(net::kProtoHTTP11, net::kProtoSPDY31,
 126                           net::kProtoHTTP2_14, net::kProtoHTTP2));
 127   bool use_alternate_protocols = false;
 128   globals_.use_alternate_protocols.CopyToIfSet(&use_alternate_protocols);
 129   EXPECT_TRUE(use_alternate_protocols);
 130 }
 131
 132 TEST_F(IOThreadTest, SpdyFieldTrialParametrized) {
 133   field_trial_params_["enable_spdy31"] = "false";
 134   // Undefined parameter "enable_http2_14" should default to false.
 135   field_trial_params_["enable_http2"] = "true";
 136   field_trial_group_ = "ParametrizedHTTP2Only";
 137   ConfigureSpdyGlobals();
 138   EXPECT_THAT(globals_.next_protos,
 139               ElementsAre(net::kProtoHTTP11, net::kProtoHTTP2));
 140   bool use_alternate_protocols = false;
 141   globals_.use_alternate_protocols.CopyToIfSet(&use_alternate_protocols);
 142   EXPECT_TRUE(use_alternate_protocols);
 143 }
 144
 145 TEST_F(IOThreadTest, SpdyCommandLineUseSpdyOff) {
 146   command_line_.AppendSwitchASCII("use-spdy", "off");
 147   // Command line should overwrite field trial group.
 148   field_trial_group_ = "Spdy4Enabled";
 149   ConfigureSpdyGlobals();
 150   EXPECT_EQ(0u, globals_.next_protos.size());
 151 }
 152
 153 TEST_F(IOThreadTest, SpdyCommandLineUseSpdyDisableAltProtocols) {
 154   command_line_.AppendSwitchASCII("use-spdy", "no-alt-protocols");
 155   ConfigureSpdyGlobals();
 156   bool use_alternate_protocols = true;
 157   globals_.use_alternate_protocols.CopyToIfSet(&use_alternate_protocols);
 158   EXPECT_FALSE(use_alternate_protocols);
 159 }
 160
 161 TEST_F(IOThreadTest, DisableQuicByDefault) {
 162   ConfigureQuicGlobals();
 163   net::HttpNetworkSession::Params params;
 164   InitializeNetworkSessionParams(&params);
 165   EXPECT_FALSE(params.enable_quic);
 166   EXPECT_FALSE(params.enable_quic_for_proxies);
 167   EXPECT_FALSE(IOThread::ShouldEnableQuicForDataReductionProxy());
 168 }
 169
 170 TEST_F(IOThreadTest, EnableQuicFromFieldTrialGroup) {
 171   field_trial_group_ = "Enabled";
 172
 173   ConfigureQuicGlobals();
 174   net::HttpNetworkSession::Params default_params;
 175   net::HttpNetworkSession::Params params;
 176   InitializeNetworkSessionParams(&params);
 177   EXPECT_TRUE(params.enable_quic);
 178   EXPECT_FALSE(params.enable_insecure_quic);
 179   EXPECT_TRUE(params.enable_quic_for_proxies);
 180   EXPECT_EQ(1350u, params.quic_max_packet_length);
 181   EXPECT_EQ(1.0, params.alternative_service_probability_threshold);
 182   EXPECT_EQ(default_params.quic_supported_versions,
 183             params.quic_supported_versions);
 184   EXPECT_EQ(net::QuicTagVector(), params.quic_connection_options);
 185   EXPECT_FALSE(params.quic_always_require_handshake_confirmation);
 186   EXPECT_FALSE(params.quic_disable_connection_pooling);
 187   EXPECT_EQ(0.25f, params.quic_load_server_info_timeout_srtt_multiplier);
 188   EXPECT_FALSE(params.quic_enable_connection_racing);
 189   EXPECT_FALSE(params.quic_enable_non_blocking_io);
 190   EXPECT_FALSE(params.quic_disable_disk_cache);
 191   EXPECT_FALSE(params.quic_prefer_aes);
 192   EXPECT_EQ(0, params.quic_max_number_of_lossy_connections);
 193   EXPECT_EQ(1.0f, params.quic_packet_loss_threshold);
 194   EXPECT_FALSE(IOThread::ShouldEnableQuicForDataReductionProxy());
 195 }
 196
 197 TEST_F(IOThreadTest, EnableQuicFromQuicProxyFieldTrialGroup) {
 198   base::FieldTrialList field_trial_list(new base::MockEntropyProvider());
 199   base::FieldTrialList::CreateFieldTrial(
 200       data_reduction_proxy::params::GetQuicFieldTrialName(), "Enabled");
 201
 202   ConfigureQuicGlobals();
 203   net::HttpNetworkSession::Params params;
 204   InitializeNetworkSessionParams(&params);
 205   EXPECT_FALSE(params.enable_quic);
 206   EXPECT_TRUE(params.enable_quic_for_proxies);
 207   EXPECT_TRUE(IOThread::ShouldEnableQuicForDataReductionProxy());
 208   EXPECT_EQ(1024 * 1024, params.quic_socket_receive_buffer_size);
 209 }
 210
 211 TEST_F(IOThreadTest, EnableQuicFromCommandLine) {
 212   command_line_.AppendSwitch("enable-quic");
 213
 214   ConfigureQuicGlobals();
 215   net::HttpNetworkSession::Params params;
 216   InitializeNetworkSessionParams(&params);
 217   EXPECT_TRUE(params.enable_quic);
 218   EXPECT_TRUE(params.enable_quic_for_proxies);
 219   EXPECT_FALSE(IOThread::ShouldEnableQuicForDataReductionProxy());
 220 }
 221
 222 TEST_F(IOThreadTest, EnableInsecureQuicFromFieldTrialParams) {
 223   field_trial_group_ = "Enabled";
 224   field_trial_params_["enable_insecure_quic"] = "true";
 225
 226   ConfigureQuicGlobals();
 227   net::HttpNetworkSession::Params params;
 228   InitializeNetworkSessionParams(&params);
 229   EXPECT_TRUE(params.enable_insecure_quic);
 230 }
 231
 232 TEST_F(IOThreadTest, EnableInsecureQuicCommandLine) {
 233   command_line_.AppendSwitch("enable-quic");
 234   command_line_.AppendSwitch("enable-insecure-quic");
 235
 236   ConfigureQuicGlobals();
 237   net::HttpNetworkSession::Params params;
 238   InitializeNetworkSessionParams(&params);
 239   EXPECT_TRUE(params.enable_insecure_quic);
 240 }
 241
 242 TEST_F(IOThreadTest, PacketLengthFromCommandLine) {
 243   command_line_.AppendSwitch("enable-quic");
 244   command_line_.AppendSwitchASCII("quic-max-packet-length", "1450");
 245
 246   ConfigureQuicGlobals();
 247   net::HttpNetworkSession::Params params;
 248   InitializeNetworkSessionParams(&params);
 249   EXPECT_EQ(1450u, params.quic_max_packet_length);
 250 }
 251
 252 TEST_F(IOThreadTest, PacketLengthFromFieldTrialParams) {
 253   field_trial_group_ = "Enabled";
 254   field_trial_params_["max_packet_length"] = "1450";
 255
 256   ConfigureQuicGlobals();
 257   net::HttpNetworkSession::Params params;
 258   InitializeNetworkSessionParams(&params);
 259   EXPECT_EQ(1450u, params.quic_max_packet_length);
 260 }
 261
 262 TEST_F(IOThreadTest, QuicVersionFromCommandLine) {
 263   command_line_.AppendSwitch("enable-quic");
 264   std::string version =
 265       net::QuicVersionToString(net::QuicSupportedVersions().back());
 266   command_line_.AppendSwitchASCII("quic-version", version);
 267
 268   ConfigureQuicGlobals();
 269   net::HttpNetworkSession::Params params;
 270   InitializeNetworkSessionParams(&params);
 271   net::QuicVersionVector supported_versions;
 272   supported_versions.push_back(net::QuicSupportedVersions().back());
 273   EXPECT_EQ(supported_versions, params.quic_supported_versions);
 274 }
 275
 276 TEST_F(IOThreadTest, QuicVersionFromFieldTrialParams) {
 277   field_trial_group_ = "Enabled";
 278   field_trial_params_["quic_version"] =
 279       net::QuicVersionToString(net::QuicSupportedVersions().back());
 280
 281   ConfigureQuicGlobals();
 282   net::HttpNetworkSession::Params params;
 283   InitializeNetworkSessionParams(&params);
 284   net::QuicVersionVector supported_versions;
 285   supported_versions.push_back(net::QuicSupportedVersions().back());
 286   EXPECT_EQ(supported_versions, params.quic_supported_versions);
 287 }
 288
 289 TEST_F(IOThreadTest, QuicConnectionOptionsFromCommandLine) {
 290   command_line_.AppendSwitch("enable-quic");
 291   command_line_.AppendSwitchASCII("quic-connection-options",
 292                                   "TIME,TBBR,REJ");
 293
 294   ConfigureQuicGlobals();
 295   net::HttpNetworkSession::Params params;
 296   InitializeNetworkSessionParams(&params);
 297
 298   net::QuicTagVector options;
 299   options.push_back(net::kTIME);
 300   options.push_back(net::kTBBR);
 301   options.push_back(net::kREJ);
 302   EXPECT_EQ(options, params.quic_connection_options);
 303 }
 304
 305 TEST_F(IOThreadTest, QuicConnectionOptionsFromFieldTrialParams) {
 306   field_trial_group_ = "Enabled";
 307   field_trial_params_["connection_options"] = "TIME,TBBR,REJ";
 308
 309   ConfigureQuicGlobals();
 310   net::HttpNetworkSession::Params params;
 311   InitializeNetworkSessionParams(&params);
 312
 313   net::QuicTagVector options;
 314   options.push_back(net::kTIME);
 315   options.push_back(net::kTBBR);
 316   options.push_back(net::kREJ);
 317   EXPECT_EQ(options, params.quic_connection_options);
 318 }
 319
 320 TEST_F(IOThreadTest,
 321        QuicAlwaysRequireHandshakeConfirmationFromFieldTrialParams) {
 322   field_trial_group_ = "Enabled";
 323   field_trial_params_["always_require_handshake_confirmation"] = "true";
 324   ConfigureQuicGlobals();
 325   net::HttpNetworkSession::Params params;
 326   InitializeNetworkSessionParams(&params);
 327   EXPECT_TRUE(params.quic_always_require_handshake_confirmation);
 328 }
 329
 330 TEST_F(IOThreadTest,
 331        QuicDisableConnectionPoolingFromFieldTrialParams) {
 332   field_trial_group_ = "Enabled";
 333   field_trial_params_["disable_connection_pooling"] = "true";
 334   ConfigureQuicGlobals();
 335   net::HttpNetworkSession::Params params;
 336   InitializeNetworkSessionParams(&params);
 337   EXPECT_TRUE(params.quic_disable_connection_pooling);
 338 }
 339
 340 TEST_F(IOThreadTest, QuicLoadServerInfoTimeToSmoothedRttFromFieldTrialParams) {
 341   field_trial_group_ = "Enabled";
 342   field_trial_params_["load_server_info_time_to_srtt"] = "0.5";
 343   ConfigureQuicGlobals();
 344   net::HttpNetworkSession::Params params;
 345   InitializeNetworkSessionParams(&params);
 346   EXPECT_EQ(0.5f, params.quic_load_server_info_timeout_srtt_multiplier);
 347 }
 348
 349 TEST_F(IOThreadTest, QuicEnableConnectionRacing) {
 350   field_trial_group_ = "Enabled";
 351   field_trial_params_["enable_connection_racing"] = "true";
 352   ConfigureQuicGlobals();
 353   net::HttpNetworkSession::Params params;
 354   InitializeNetworkSessionParams(&params);
 355   EXPECT_TRUE(params.quic_enable_connection_racing);
 356 }
 357
 358 TEST_F(IOThreadTest, QuicEnableNonBlockingIO) {
 359   field_trial_group_ = "Enabled";
 360   field_trial_params_["enable_non_blocking_io"] = "true";
 361   ConfigureQuicGlobals();
 362   net::HttpNetworkSession::Params params;
 363   InitializeNetworkSessionParams(&params);
 364   EXPECT_TRUE(params.quic_enable_non_blocking_io);
 365 }
 366
 367 TEST_F(IOThreadTest, QuicDisableDiskCache) {
 368   field_trial_group_ = "Enabled";
 369   field_trial_params_["disable_disk_cache"] = "true";
 370   ConfigureQuicGlobals();
 371   net::HttpNetworkSession::Params params;
 372   InitializeNetworkSessionParams(&params);
 373   EXPECT_TRUE(params.quic_disable_disk_cache);
 374 }
 375
 376 TEST_F(IOThreadTest, QuicPreferAes) {
 377   field_trial_group_ = "Enabled";
 378   field_trial_params_["prefer_aes"] = "true";
 379   ConfigureQuicGlobals();
 380   net::HttpNetworkSession::Params params;
 381   InitializeNetworkSessionParams(&params);
 382   EXPECT_TRUE(params.quic_prefer_aes);
 383 }
 384
 385 TEST_F(IOThreadTest, QuicMaxNumberOfLossyConnectionsFieldTrialParams) {
 386   field_trial_group_ = "Enabled";
 387   field_trial_params_["max_number_of_lossy_connections"] = "5";
 388   ConfigureQuicGlobals();
 389   net::HttpNetworkSession::Params params;
 390   InitializeNetworkSessionParams(&params);
 391   EXPECT_EQ(5, params.quic_max_number_of_lossy_connections);
 392 }
 393
 394 TEST_F(IOThreadTest, QuicPacketLossThresholdFieldTrialParams) {
 395   field_trial_group_ = "Enabled";
 396   field_trial_params_["packet_loss_threshold"] = "0.5";
 397   ConfigureQuicGlobals();
 398   net::HttpNetworkSession::Params params;
 399   InitializeNetworkSessionParams(&params);
 400   EXPECT_EQ(0.5f, params.quic_packet_loss_threshold);
 401 }
 402
 403 TEST_F(IOThreadTest, QuicReceiveBufferSize) {
 404   field_trial_group_ = "Enabled";
 405   field_trial_params_["receive_buffer_size"] = "2097152";
 406   ConfigureQuicGlobals();
 407   net::HttpNetworkSession::Params params;
 408   InitializeNetworkSessionParams(&params);
 409   EXPECT_EQ(2097152, params.quic_socket_receive_buffer_size);
 410 }
 411
 412 TEST_F(IOThreadTest, AlternativeServiceProbabilityThresholdFromFlag) {
 413   command_line_.AppendSwitchASCII("alternative-service-probability-threshold",
 414                                   "0.5");
 415
 416   ConfigureQuicGlobals();
 417   net::HttpNetworkSession::Params params;
 418   InitializeNetworkSessionParams(&params);
 419   EXPECT_EQ(.5, params.alternative_service_probability_threshold);
 420 }
 421
 422 TEST_F(IOThreadTest, AlternativeServiceProbabilityThresholdFromEnableQuicFlag) {
 423   command_line_.AppendSwitch("enable-quic");
 424
 425   ConfigureQuicGlobals();
 426   net::HttpNetworkSession::Params params;
 427   InitializeNetworkSessionParams(&params);
 428   EXPECT_EQ(0, params.alternative_service_probability_threshold);
 429 }
 430
 431 // TODO(bnc): Remove when new parameter name rolls out and server configuration
 432 // is changed.
 433 TEST_F(IOThreadTest, AlternativeServiceProbabilityThresholdFromOldParams) {
 434   field_trial_group_ = "Enabled";
 435   field_trial_params_["alternate_protocol_probability_threshold"] = ".5";
 436
 437   ConfigureQuicGlobals();
 438   net::HttpNetworkSession::Params params;
 439   InitializeNetworkSessionParams(&params);
 440   EXPECT_EQ(.5, params.alternative_service_probability_threshold);
 441 }
 442
 443 TEST_F(IOThreadTest, AlternativeServiceProbabilityThresholdFromParams) {
 444   field_trial_group_ = "Enabled";
 445   field_trial_params_["alternative_service_probability_threshold"] = ".5";
 446
 447   ConfigureQuicGlobals();
 448   net::HttpNetworkSession::Params params;
 449   InitializeNetworkSessionParams(&params);
 450   EXPECT_EQ(.5, params.alternative_service_probability_threshold);
 451 }
 452
 453 TEST_F(IOThreadTest, QuicDisallowedByPolicy) {
 454   command_line_.AppendSwitch(switches::kEnableQuic);
 455   is_quic_allowed_by_policy_ = false;
 456   ConfigureQuicGlobals();
 457
 458   net::HttpNetworkSession::Params params;
 459   InitializeNetworkSessionParams(&params);
 460   EXPECT_FALSE(params.enable_quic);
 461 }
 462
 463 }  // namespace test