net/proxy/proxy_resolver_factory_mojo_unittest.cc

   1 // Copyright 2015 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 "net/proxy/proxy_resolver_factory_mojo.h"
   6
   7 #include <list>
   8 #include <map>
   9 #include <queue>
  10 #include <string>
  11
  12 #include "base/bind.h"
  13 #include "base/memory/scoped_ptr.h"
  14 #include "base/memory/scoped_vector.h"
  15 #include "base/run_loop.h"
  16 #include "base/stl_util.h"
  17 #include "mojo/common/common_type_converters.h"
  18 #include "net/base/load_states.h"
  19 #include "net/base/net_errors.h"
  20 #include "net/base/test_completion_callback.h"
  21 #include "net/log/net_log.h"
  22 #include "net/proxy/mojo_proxy_resolver_factory.h"
  23 #include "net/proxy/mojo_proxy_type_converters.h"
  24 #include "net/proxy/proxy_info.h"
  25 #include "net/proxy/proxy_resolver.h"
  26 #include "net/proxy/proxy_resolver_error_observer.h"
  27 #include "net/proxy/proxy_resolver_script_data.h"
  28 #include "testing/gtest/include/gtest/gtest.h"
  29 #include "third_party/mojo/src/mojo/public/cpp/bindings/binding.h"
  30 #include "third_party/mojo/src/mojo/public/cpp/bindings/error_handler.h"
  31 #include "url/gurl.h"
  32
  33 namespace net {
  34
  35 namespace {
  36
  37 const char kScriptData[] = "FooBarBaz";
  38 const char kExampleUrl[] = "http://www.example.com";
  39
  40 struct CreateProxyResolverAction {
  41   enum Action {
  42     COMPLETE,
  43     DROP_CLIENT,
  44     DROP_RESOLVER,
  45     DROP_BOTH,
  46     WAIT_FOR_CLIENT_DISCONNECT,
  47   };
  48
  49   static CreateProxyResolverAction ReturnResult(
  50       const std::string& expected_pac_script,
  51       Error error) {
  52     CreateProxyResolverAction result;
  53     result.expected_pac_script = expected_pac_script;
  54     result.error = error;
  55     return result;
  56   }
  57
  58   static CreateProxyResolverAction DropClient(
  59       const std::string& expected_pac_script) {
  60     CreateProxyResolverAction result;
  61     result.expected_pac_script = expected_pac_script;
  62     result.action = DROP_CLIENT;
  63     return result;
  64   }
  65
  66   static CreateProxyResolverAction DropResolver(
  67       const std::string& expected_pac_script) {
  68     CreateProxyResolverAction result;
  69     result.expected_pac_script = expected_pac_script;
  70     result.action = DROP_RESOLVER;
  71     return result;
  72   }
  73
  74   static CreateProxyResolverAction DropBoth(
  75       const std::string& expected_pac_script) {
  76     CreateProxyResolverAction result;
  77     result.expected_pac_script = expected_pac_script;
  78     result.action = DROP_BOTH;
  79     return result;
  80   }
  81
  82   static CreateProxyResolverAction WaitForClientDisconnect(
  83       const std::string& expected_pac_script) {
  84     CreateProxyResolverAction result;
  85     result.expected_pac_script = expected_pac_script;
  86     result.action = WAIT_FOR_CLIENT_DISCONNECT;
  87     return result;
  88   }
  89
  90   std::string expected_pac_script;
  91   Action action = COMPLETE;
  92   Error error = OK;
  93 };
  94
  95 struct GetProxyForUrlAction {
  96   enum Action {
  97     COMPLETE,
  98     // Drop the request by closing the reply channel.
  99     DROP,
 100     // Disconnect the service.
 101     DISCONNECT,
 102     // Wait for the client pipe to be disconnected.
 103     WAIT_FOR_CLIENT_DISCONNECT,
 104     // Send a LoadStateChanged message and keep the client pipe open.
 105     SEND_LOAD_STATE_AND_BLOCK,
 106   };
 107
 108   GetProxyForUrlAction() {}
 109   GetProxyForUrlAction(const GetProxyForUrlAction& old) {
 110     action = old.action;
 111     error = old.error;
 112     expected_url = old.expected_url;
 113     proxy_servers = old.proxy_servers.Clone();
 114   }
 115
 116   static GetProxyForUrlAction ReturnError(const GURL& url, Error error) {
 117     GetProxyForUrlAction result;
 118     result.expected_url = url;
 119     result.error = error;
 120     return result;
 121   }
 122
 123   static GetProxyForUrlAction ReturnServers(
 124       const GURL& url,
 125       const mojo::Array<interfaces::ProxyServerPtr>& proxy_servers) {
 126     GetProxyForUrlAction result;
 127     result.expected_url = url;
 128     result.proxy_servers = proxy_servers.Clone();
 129     return result;
 130   }
 131
 132   static GetProxyForUrlAction DropRequest(const GURL& url) {
 133     GetProxyForUrlAction result;
 134     result.expected_url = url;
 135     result.action = DROP;
 136     return result;
 137   }
 138
 139   static GetProxyForUrlAction Disconnect(const GURL& url) {
 140     GetProxyForUrlAction result;
 141     result.expected_url = url;
 142     result.action = DISCONNECT;
 143     return result;
 144   }
 145
 146   static GetProxyForUrlAction WaitForClientDisconnect(const GURL& url) {
 147     GetProxyForUrlAction result;
 148     result.expected_url = url;
 149     result.action = WAIT_FOR_CLIENT_DISCONNECT;
 150     return result;
 151   }
 152
 153   static GetProxyForUrlAction SendLoadStateChanged(const GURL& url) {
 154     GetProxyForUrlAction result;
 155     result.expected_url = url;
 156     result.action = SEND_LOAD_STATE_AND_BLOCK;
 157     return result;
 158   }
 159
 160   Action action = COMPLETE;
 161   Error error = OK;
 162   mojo::Array<interfaces::ProxyServerPtr> proxy_servers;
 163   GURL expected_url;
 164 };
 165
 166 class MockMojoProxyResolver : public interfaces::ProxyResolver {
 167  public:
 168   MockMojoProxyResolver();
 169   ~MockMojoProxyResolver() override;
 170
 171   void AddGetProxyAction(GetProxyForUrlAction action);
 172
 173   void WaitForNextRequest();
 174
 175   void ClearBlockedClients();
 176
 177   void AddConnection(mojo::InterfaceRequest<interfaces::ProxyResolver> req);
 178
 179  private:
 180   // Overridden from interfaces::ProxyResolver:
 181   void GetProxyForUrl(
 182       const mojo::String& url,
 183       interfaces::ProxyResolverRequestClientPtr client) override;
 184
 185   void WakeWaiter();
 186
 187   std::string pac_script_data_;
 188
 189   std::queue<GetProxyForUrlAction> get_proxy_actions_;
 190
 191   base::Closure quit_closure_;
 192
 193   ScopedVector<interfaces::ProxyResolverRequestClientPtr> blocked_clients_;
 194   mojo::Binding<interfaces::ProxyResolver> binding_;
 195 };
 196
 197 MockMojoProxyResolver::~MockMojoProxyResolver() {
 198   EXPECT_TRUE(get_proxy_actions_.empty())
 199       << "Actions remaining: " << get_proxy_actions_.size();
 200 }
 201
 202 MockMojoProxyResolver::MockMojoProxyResolver() : binding_(this) {
 203 }
 204
 205 void MockMojoProxyResolver::AddGetProxyAction(GetProxyForUrlAction action) {
 206   get_proxy_actions_.push(action);
 207 }
 208
 209 void MockMojoProxyResolver::WaitForNextRequest() {
 210   base::RunLoop run_loop;
 211   quit_closure_ = run_loop.QuitClosure();
 212   run_loop.Run();
 213 }
 214
 215 void MockMojoProxyResolver::WakeWaiter() {
 216   if (!quit_closure_.is_null())
 217     quit_closure_.Run();
 218   quit_closure_.Reset();
 219 }
 220
 221 void MockMojoProxyResolver::ClearBlockedClients() {
 222   blocked_clients_.clear();
 223 }
 224
 225 void MockMojoProxyResolver::AddConnection(
 226     mojo::InterfaceRequest<interfaces::ProxyResolver> req) {
 227   if (binding_.is_bound())
 228     binding_.Close();
 229   binding_.Bind(req.Pass());
 230 }
 231
 232 void MockMojoProxyResolver::GetProxyForUrl(
 233     const mojo::String& url,
 234     interfaces::ProxyResolverRequestClientPtr client) {
 235   ASSERT_FALSE(get_proxy_actions_.empty());
 236   GetProxyForUrlAction action = get_proxy_actions_.front();
 237   get_proxy_actions_.pop();
 238
 239   EXPECT_EQ(action.expected_url.spec(), url.To<std::string>());
 240   switch (action.action) {
 241     case GetProxyForUrlAction::COMPLETE:
 242       client->ReportResult(action.error, action.proxy_servers.Pass());
 243       break;
 244     case GetProxyForUrlAction::DROP:
 245       client.reset();
 246       break;
 247     case GetProxyForUrlAction::DISCONNECT:
 248       binding_.Close();
 249       break;
 250     case GetProxyForUrlAction::WAIT_FOR_CLIENT_DISCONNECT:
 251       ASSERT_FALSE(client.WaitForIncomingResponse());
 252       break;
 253     case GetProxyForUrlAction::SEND_LOAD_STATE_AND_BLOCK:
 254       client->LoadStateChanged(LOAD_STATE_RESOLVING_HOST_IN_PROXY_SCRIPT);
 255       blocked_clients_.push_back(
 256           new interfaces::ProxyResolverRequestClientPtr(client.Pass()));
 257       break;
 258   }
 259   WakeWaiter();
 260 }
 261
 262 class Request {
 263  public:
 264   Request(ProxyResolver* resolver, const GURL& url);
 265
 266   int Resolve();
 267   void Cancel();
 268   int WaitForResult();
 269
 270   int error() const { return error_; }
 271   const ProxyInfo& results() const { return results_; }
 272   LoadState load_state() { return resolver_->GetLoadState(handle_); }
 273
 274  private:
 275   ProxyResolver* resolver_;
 276   const GURL url_;
 277   ProxyInfo results_;
 278   ProxyResolver::RequestHandle handle_;
 279   int error_;
 280   TestCompletionCallback callback_;
 281 };
 282
 283 Request::Request(ProxyResolver* resolver, const GURL& url)
 284     : resolver_(resolver), url_(url), error_(0) {
 285 }
 286
 287 int Request::Resolve() {
 288   BoundNetLog net_log;
 289   error_ = resolver_->GetProxyForURL(url_, &results_, callback_.callback(),
 290                                      &handle_, net_log);
 291   return error_;
 292 }
 293
 294 void Request::Cancel() {
 295   resolver_->CancelRequest(handle_);
 296 }
 297
 298 int Request::WaitForResult() {
 299   error_ = callback_.WaitForResult();
 300   return error_;
 301 }
 302
 303 class MockMojoProxyResolverFactory : public interfaces::ProxyResolverFactory {
 304  public:
 305   MockMojoProxyResolverFactory(
 306       MockMojoProxyResolver* resolver,
 307       mojo::InterfaceRequest<interfaces::ProxyResolverFactory> req);
 308   ~MockMojoProxyResolverFactory() override;
 309
 310   void AddCreateProxyResolverAction(CreateProxyResolverAction action);
 311
 312   void WaitForNextRequest();
 313
 314   void ClearBlockedClients();
 315
 316  private:
 317   // Overridden from interfaces::ProxyResolver:
 318   void CreateResolver(
 319       const mojo::String& pac_url,
 320       mojo::InterfaceRequest<interfaces::ProxyResolver> request,
 321       interfaces::HostResolverPtr host_resolver,
 322       interfaces::ProxyResolverErrorObserverPtr error_observer,
 323       interfaces::ProxyResolverFactoryRequestClientPtr client) override;
 324
 325   void WakeWaiter();
 326
 327   MockMojoProxyResolver* resolver_;
 328   std::queue<CreateProxyResolverAction> create_resolver_actions_;
 329
 330   base::Closure quit_closure_;
 331
 332   ScopedVector<interfaces::ProxyResolverFactoryRequestClientPtr>
 333       blocked_clients_;
 334   ScopedVector<mojo::InterfaceRequest<interfaces::ProxyResolver>>
 335       blocked_resolver_requests_;
 336   mojo::Binding<interfaces::ProxyResolverFactory> binding_;
 337 };
 338
 339 MockMojoProxyResolverFactory::MockMojoProxyResolverFactory(
 340     MockMojoProxyResolver* resolver,
 341     mojo::InterfaceRequest<interfaces::ProxyResolverFactory> req)
 342     : resolver_(resolver), binding_(this, req.Pass()) {
 343 }
 344
 345 MockMojoProxyResolverFactory::~MockMojoProxyResolverFactory() {
 346   EXPECT_TRUE(create_resolver_actions_.empty())
 347       << "Actions remaining: " << create_resolver_actions_.size();
 348 }
 349
 350 void MockMojoProxyResolverFactory::AddCreateProxyResolverAction(
 351     CreateProxyResolverAction action) {
 352   create_resolver_actions_.push(action);
 353 }
 354
 355 void MockMojoProxyResolverFactory::WaitForNextRequest() {
 356   base::RunLoop run_loop;
 357   quit_closure_ = run_loop.QuitClosure();
 358   run_loop.Run();
 359 }
 360
 361 void MockMojoProxyResolverFactory::WakeWaiter() {
 362   if (!quit_closure_.is_null())
 363     quit_closure_.Run();
 364   quit_closure_.Reset();
 365 }
 366
 367 void MockMojoProxyResolverFactory::ClearBlockedClients() {
 368   blocked_clients_.clear();
 369 }
 370
 371 void MockMojoProxyResolverFactory::CreateResolver(
 372     const mojo::String& pac_script,
 373     mojo::InterfaceRequest<interfaces::ProxyResolver> request,
 374     interfaces::HostResolverPtr host_resolver,
 375     interfaces::ProxyResolverErrorObserverPtr error_observer,
 376     interfaces::ProxyResolverFactoryRequestClientPtr client) {
 377   ASSERT_FALSE(create_resolver_actions_.empty());
 378   CreateProxyResolverAction action = create_resolver_actions_.front();
 379   create_resolver_actions_.pop();
 380
 381   EXPECT_EQ(action.expected_pac_script, pac_script.To<std::string>());
 382   switch (action.action) {
 383     case CreateProxyResolverAction::COMPLETE:
 384       if (action.error == OK)
 385         resolver_->AddConnection(request.Pass());
 386       client->ReportResult(action.error);
 387       break;
 388     case CreateProxyResolverAction::DROP_CLIENT:
 389       // Save |request| so its pipe isn't closed.
 390       blocked_resolver_requests_.push_back(
 391           new mojo::InterfaceRequest<interfaces::ProxyResolver>(
 392               request.Pass()));
 393       break;
 394     case CreateProxyResolverAction::DROP_RESOLVER:
 395       // Save |client| so its pipe isn't closed.
 396       blocked_clients_.push_back(
 397           new interfaces::ProxyResolverFactoryRequestClientPtr(client.Pass()));
 398       break;
 399     case CreateProxyResolverAction::DROP_BOTH:
 400       // Both |request| and |client| will be closed.
 401       break;
 402     case CreateProxyResolverAction::WAIT_FOR_CLIENT_DISCONNECT:
 403       ASSERT_FALSE(client.WaitForIncomingResponse());
 404       break;
 405   }
 406   WakeWaiter();
 407 }
 408
 409 }  // namespace
 410
 411 class ProxyResolverFactoryMojoTest : public testing::Test,
 412                                      public MojoProxyResolverFactory {
 413  public:
 414   void SetUp() override {
 415     mock_proxy_resolver_factory_.reset(new MockMojoProxyResolverFactory(
 416         &mock_proxy_resolver_, mojo::GetProxy(&factory_ptr_)));
 417     proxy_resolver_factory_mojo_.reset(new ProxyResolverFactoryMojo(
 418         this, nullptr,
 419         base::Callback<scoped_ptr<ProxyResolverErrorObserver>()>()));
 420   }
 421
 422   scoped_ptr<Request> MakeRequest(const GURL& url) {
 423     return make_scoped_ptr(new Request(proxy_resolver_mojo_.get(), url));
 424   }
 425
 426   scoped_ptr<base::ScopedClosureRunner> CreateResolver(
 427       const mojo::String& pac_script,
 428       mojo::InterfaceRequest<interfaces::ProxyResolver> req,
 429       interfaces::HostResolverPtr host_resolver,
 430       interfaces::ProxyResolverErrorObserverPtr error_observer,
 431       interfaces::ProxyResolverFactoryRequestClientPtr client) override {
 432     factory_ptr_->CreateResolver(pac_script, req.Pass(), host_resolver.Pass(),
 433                                  error_observer.Pass(), client.Pass());
 434     return make_scoped_ptr(
 435         new base::ScopedClosureRunner(on_delete_callback_.closure()));
 436   }
 437
 438   mojo::Array<interfaces::ProxyServerPtr> ProxyServersFromPacString(
 439       const std::string& pac_string) {
 440     ProxyInfo proxy_info;
 441     proxy_info.UsePacString(pac_string);
 442
 443     return mojo::Array<interfaces::ProxyServerPtr>::From(
 444         proxy_info.proxy_list().GetAll());
 445   }
 446
 447   void CreateProxyResolver() {
 448     mock_proxy_resolver_factory_->AddCreateProxyResolverAction(
 449         CreateProxyResolverAction::ReturnResult(kScriptData, OK));
 450     TestCompletionCallback callback;
 451     scoped_refptr<ProxyResolverScriptData> pac_script(
 452         ProxyResolverScriptData::FromUTF8(kScriptData));
 453     scoped_ptr<ProxyResolverFactory::Request> request;
 454     ASSERT_EQ(
 455         OK,
 456         callback.GetResult(proxy_resolver_factory_mojo_->CreateProxyResolver(
 457             pac_script, &proxy_resolver_mojo_, callback.callback(), &request)));
 458     EXPECT_TRUE(request);
 459     ASSERT_TRUE(proxy_resolver_mojo_);
 460   }
 461
 462   void DeleteProxyResolverCallback(const CompletionCallback& callback,
 463                                    int result) {
 464     proxy_resolver_mojo_.reset();
 465     callback.Run(result);
 466   }
 467
 468   scoped_ptr<MockMojoProxyResolverFactory> mock_proxy_resolver_factory_;
 469   interfaces::ProxyResolverFactoryPtr factory_ptr_;
 470   scoped_ptr<ProxyResolverFactory> proxy_resolver_factory_mojo_;
 471
 472   MockMojoProxyResolver mock_proxy_resolver_;
 473   scoped_ptr<ProxyResolver> proxy_resolver_mojo_;
 474   TestClosure on_delete_callback_;
 475 };
 476
 477 TEST_F(ProxyResolverFactoryMojoTest, CreateProxyResolver) {
 478   CreateProxyResolver();
 479 }
 480
 481 TEST_F(ProxyResolverFactoryMojoTest, CreateProxyResolver_Empty) {
 482   TestCompletionCallback callback;
 483   scoped_refptr<ProxyResolverScriptData> pac_script(
 484       ProxyResolverScriptData::FromUTF8(""));
 485   scoped_ptr<ProxyResolverFactory::Request> request;
 486   EXPECT_EQ(
 487       ERR_PAC_SCRIPT_FAILED,
 488       callback.GetResult(proxy_resolver_factory_mojo_->CreateProxyResolver(
 489           pac_script, &proxy_resolver_mojo_, callback.callback(), &request)));
 490   EXPECT_FALSE(request);
 491 }
 492
 493 TEST_F(ProxyResolverFactoryMojoTest, CreateProxyResolver_Url) {
 494   TestCompletionCallback callback;
 495   scoped_refptr<ProxyResolverScriptData> pac_script(
 496       ProxyResolverScriptData::FromURL(GURL(kExampleUrl)));
 497   scoped_ptr<ProxyResolverFactory::Request> request;
 498   EXPECT_EQ(
 499       ERR_PAC_SCRIPT_FAILED,
 500       callback.GetResult(proxy_resolver_factory_mojo_->CreateProxyResolver(
 501           pac_script, &proxy_resolver_mojo_, callback.callback(), &request)));
 502   EXPECT_FALSE(request);
 503 }
 504
 505 TEST_F(ProxyResolverFactoryMojoTest, CreateProxyResolver_Failed) {
 506   mock_proxy_resolver_factory_->AddCreateProxyResolverAction(
 507       CreateProxyResolverAction::ReturnResult(kScriptData,
 508                                               ERR_PAC_STATUS_NOT_OK));
 509
 510   TestCompletionCallback callback;
 511   scoped_refptr<ProxyResolverScriptData> pac_script(
 512       ProxyResolverScriptData::FromUTF8(kScriptData));
 513   scoped_ptr<ProxyResolverFactory::Request> request;
 514   EXPECT_EQ(
 515       ERR_PAC_STATUS_NOT_OK,
 516       callback.GetResult(proxy_resolver_factory_mojo_->CreateProxyResolver(
 517           pac_script, &proxy_resolver_mojo_, callback.callback(), &request)));
 518   EXPECT_TRUE(request);
 519   on_delete_callback_.WaitForResult();
 520
 521   // A second attempt succeeds.
 522   CreateProxyResolver();
 523 }
 524
 525 TEST_F(ProxyResolverFactoryMojoTest, CreateProxyResolver_BothDisconnected) {
 526   mock_proxy_resolver_factory_->AddCreateProxyResolverAction(
 527       CreateProxyResolverAction::DropBoth(kScriptData));
 528
 529   scoped_refptr<ProxyResolverScriptData> pac_script(
 530       ProxyResolverScriptData::FromUTF8(kScriptData));
 531   scoped_ptr<ProxyResolverFactory::Request> request;
 532   TestCompletionCallback callback;
 533   EXPECT_EQ(
 534       ERR_PAC_SCRIPT_TERMINATED,
 535       callback.GetResult(proxy_resolver_factory_mojo_->CreateProxyResolver(
 536           pac_script, &proxy_resolver_mojo_, callback.callback(), &request)));
 537   EXPECT_TRUE(request);
 538 }
 539
 540 TEST_F(ProxyResolverFactoryMojoTest, CreateProxyResolver_ClientDisconnected) {
 541   mock_proxy_resolver_factory_->AddCreateProxyResolverAction(
 542       CreateProxyResolverAction::DropClient(kScriptData));
 543
 544   scoped_refptr<ProxyResolverScriptData> pac_script(
 545       ProxyResolverScriptData::FromUTF8(kScriptData));
 546   scoped_ptr<ProxyResolverFactory::Request> request;
 547   TestCompletionCallback callback;
 548   EXPECT_EQ(
 549       ERR_PAC_SCRIPT_TERMINATED,
 550       callback.GetResult(proxy_resolver_factory_mojo_->CreateProxyResolver(
 551           pac_script, &proxy_resolver_mojo_, callback.callback(), &request)));
 552   EXPECT_TRUE(request);
 553 }
 554
 555 TEST_F(ProxyResolverFactoryMojoTest, CreateProxyResolver_ResolverDisconnected) {
 556   mock_proxy_resolver_factory_->AddCreateProxyResolverAction(
 557       CreateProxyResolverAction::DropResolver(kScriptData));
 558
 559   scoped_refptr<ProxyResolverScriptData> pac_script(
 560       ProxyResolverScriptData::FromUTF8(kScriptData));
 561   scoped_ptr<ProxyResolverFactory::Request> request;
 562   TestCompletionCallback callback;
 563   EXPECT_EQ(
 564       ERR_PAC_SCRIPT_TERMINATED,
 565       callback.GetResult(proxy_resolver_factory_mojo_->CreateProxyResolver(
 566           pac_script, &proxy_resolver_mojo_, callback.callback(), &request)));
 567   EXPECT_TRUE(request);
 568   on_delete_callback_.WaitForResult();
 569 }
 570
 571 TEST_F(ProxyResolverFactoryMojoTest, CreateProxyResolver_Cancel) {
 572   mock_proxy_resolver_factory_->AddCreateProxyResolverAction(
 573       CreateProxyResolverAction::WaitForClientDisconnect(kScriptData));
 574
 575   scoped_refptr<ProxyResolverScriptData> pac_script(
 576       ProxyResolverScriptData::FromUTF8(kScriptData));
 577   scoped_ptr<ProxyResolverFactory::Request> request;
 578   TestCompletionCallback callback;
 579   EXPECT_EQ(ERR_IO_PENDING, proxy_resolver_factory_mojo_->CreateProxyResolver(
 580                                 pac_script, &proxy_resolver_mojo_,
 581                                 callback.callback(), &request));
 582   ASSERT_TRUE(request);
 583   request.reset();
 584
 585   // The Mojo request is still made.
 586   mock_proxy_resolver_factory_->WaitForNextRequest();
 587   on_delete_callback_.WaitForResult();
 588 }
 589
 590 TEST_F(ProxyResolverFactoryMojoTest, GetProxyForURL) {
 591   mock_proxy_resolver_.AddGetProxyAction(GetProxyForUrlAction::ReturnServers(
 592       GURL(kExampleUrl), ProxyServersFromPacString("DIRECT")));
 593   CreateProxyResolver();
 594
 595   scoped_ptr<Request> request(MakeRequest(GURL(kExampleUrl)));
 596   EXPECT_EQ(ERR_IO_PENDING, request->Resolve());
 597   EXPECT_EQ(OK, request->WaitForResult());
 598
 599   EXPECT_EQ("DIRECT", request->results().ToPacString());
 600 }
 601
 602 TEST_F(ProxyResolverFactoryMojoTest, GetProxyForURL_LoadState) {
 603   mock_proxy_resolver_.AddGetProxyAction(
 604       GetProxyForUrlAction::SendLoadStateChanged(GURL(kExampleUrl)));
 605   CreateProxyResolver();
 606
 607   scoped_ptr<Request> request(MakeRequest(GURL(kExampleUrl)));
 608   EXPECT_EQ(ERR_IO_PENDING, request->Resolve());
 609   EXPECT_EQ(LOAD_STATE_RESOLVING_PROXY_FOR_URL, request->load_state());
 610   while (request->load_state() == LOAD_STATE_RESOLVING_PROXY_FOR_URL)
 611     base::RunLoop().RunUntilIdle();
 612   EXPECT_EQ(LOAD_STATE_RESOLVING_HOST_IN_PROXY_SCRIPT, request->load_state());
 613   mock_proxy_resolver_.ClearBlockedClients();
 614   EXPECT_EQ(ERR_PAC_SCRIPT_TERMINATED, request->WaitForResult());
 615 }
 616
 617 TEST_F(ProxyResolverFactoryMojoTest, GetProxyForURL_MultipleResults) {
 618   static const char kPacString[] =
 619       "PROXY foo1:80;DIRECT;SOCKS foo2:1234;"
 620       "SOCKS5 foo3:1080;HTTPS foo4:443;QUIC foo6:8888";
 621   mock_proxy_resolver_.AddGetProxyAction(GetProxyForUrlAction::ReturnServers(
 622       GURL(kExampleUrl), ProxyServersFromPacString(kPacString)));
 623   CreateProxyResolver();
 624
 625   scoped_ptr<Request> request(MakeRequest(GURL(kExampleUrl)));
 626   EXPECT_EQ(ERR_IO_PENDING, request->Resolve());
 627   EXPECT_EQ(OK, request->WaitForResult());
 628
 629   EXPECT_EQ(kPacString, request->results().ToPacString());
 630 }
 631
 632 TEST_F(ProxyResolverFactoryMojoTest, GetProxyForURL_Error) {
 633   mock_proxy_resolver_.AddGetProxyAction(
 634       GetProxyForUrlAction::ReturnError(GURL(kExampleUrl), ERR_UNEXPECTED));
 635   CreateProxyResolver();
 636
 637   scoped_ptr<Request> request(MakeRequest(GURL(kExampleUrl)));
 638   EXPECT_EQ(ERR_IO_PENDING, request->Resolve());
 639   EXPECT_EQ(ERR_UNEXPECTED, request->WaitForResult());
 640
 641   EXPECT_TRUE(request->results().is_empty());
 642 }
 643
 644 TEST_F(ProxyResolverFactoryMojoTest, GetProxyForURL_Cancel) {
 645   mock_proxy_resolver_.AddGetProxyAction(
 646       GetProxyForUrlAction::WaitForClientDisconnect(GURL(kExampleUrl)));
 647   CreateProxyResolver();
 648
 649   scoped_ptr<Request> request(MakeRequest(GURL(kExampleUrl)));
 650   EXPECT_EQ(ERR_IO_PENDING, request->Resolve());
 651   request->Cancel();
 652
 653   // The Mojo request is still made.
 654   mock_proxy_resolver_.WaitForNextRequest();
 655 }
 656
 657 TEST_F(ProxyResolverFactoryMojoTest, GetProxyForURL_MultipleRequests) {
 658   mock_proxy_resolver_.AddGetProxyAction(GetProxyForUrlAction::ReturnServers(
 659       GURL(kExampleUrl), ProxyServersFromPacString("DIRECT")));
 660   mock_proxy_resolver_.AddGetProxyAction(GetProxyForUrlAction::ReturnServers(
 661       GURL("https://www.chromium.org"),
 662       ProxyServersFromPacString("HTTPS foo:443")));
 663   CreateProxyResolver();
 664
 665   scoped_ptr<Request> request1(MakeRequest(GURL(kExampleUrl)));
 666   EXPECT_EQ(ERR_IO_PENDING, request1->Resolve());
 667   scoped_ptr<Request> request2(MakeRequest(GURL("https://www.chromium.org")));
 668   EXPECT_EQ(ERR_IO_PENDING, request2->Resolve());
 669
 670   EXPECT_EQ(OK, request1->WaitForResult());
 671   EXPECT_EQ(OK, request2->WaitForResult());
 672
 673   EXPECT_EQ("DIRECT", request1->results().ToPacString());
 674   EXPECT_EQ("HTTPS foo:443", request2->results().ToPacString());
 675 }
 676
 677 TEST_F(ProxyResolverFactoryMojoTest, GetProxyForURL_Disconnect) {
 678   mock_proxy_resolver_.AddGetProxyAction(
 679       GetProxyForUrlAction::Disconnect(GURL(kExampleUrl)));
 680   CreateProxyResolver();
 681   {
 682     scoped_ptr<Request> request(MakeRequest(GURL(kExampleUrl)));
 683     EXPECT_EQ(ERR_IO_PENDING, request->Resolve());
 684     EXPECT_EQ(ERR_PAC_SCRIPT_TERMINATED, request->WaitForResult());
 685     EXPECT_TRUE(request->results().is_empty());
 686   }
 687
 688   {
 689     // Calling GetProxyForURL after a disconnect should fail.
 690     scoped_ptr<Request> request(MakeRequest(GURL(kExampleUrl)));
 691     EXPECT_EQ(ERR_PAC_SCRIPT_TERMINATED, request->Resolve());
 692   }
 693 }
 694
 695 TEST_F(ProxyResolverFactoryMojoTest, GetProxyForURL_ClientClosed) {
 696   mock_proxy_resolver_.AddGetProxyAction(
 697       GetProxyForUrlAction::DropRequest(GURL(kExampleUrl)));
 698   CreateProxyResolver();
 699
 700   scoped_ptr<Request> request1(MakeRequest(GURL(kExampleUrl)));
 701   EXPECT_EQ(ERR_IO_PENDING, request1->Resolve());
 702
 703   EXPECT_EQ(ERR_PAC_SCRIPT_TERMINATED, request1->WaitForResult());
 704 }
 705
 706 TEST_F(ProxyResolverFactoryMojoTest, GetProxyForURL_DeleteInCallback) {
 707   mock_proxy_resolver_.AddGetProxyAction(GetProxyForUrlAction::ReturnServers(
 708       GURL(kExampleUrl), ProxyServersFromPacString("DIRECT")));
 709   CreateProxyResolver();
 710
 711   ProxyInfo results;
 712   TestCompletionCallback callback;
 713   ProxyResolver::RequestHandle handle;
 714   BoundNetLog net_log;
 715   EXPECT_EQ(
 716       OK,
 717       callback.GetResult(proxy_resolver_mojo_->GetProxyForURL(
 718           GURL(kExampleUrl), &results,
 719           base::Bind(&ProxyResolverFactoryMojoTest::DeleteProxyResolverCallback,
 720                      base::Unretained(this), callback.callback()),
 721           &handle, net_log)));
 722   on_delete_callback_.WaitForResult();
 723 }
 724
 725 TEST_F(ProxyResolverFactoryMojoTest,
 726        GetProxyForURL_DeleteInCallbackFromDisconnect) {
 727   mock_proxy_resolver_.AddGetProxyAction(
 728       GetProxyForUrlAction::Disconnect(GURL(kExampleUrl)));
 729   CreateProxyResolver();
 730
 731   ProxyInfo results;
 732   TestCompletionCallback callback;
 733   ProxyResolver::RequestHandle handle;
 734   BoundNetLog net_log;
 735   EXPECT_EQ(
 736       ERR_PAC_SCRIPT_TERMINATED,
 737       callback.GetResult(proxy_resolver_mojo_->GetProxyForURL(
 738           GURL(kExampleUrl), &results,
 739           base::Bind(&ProxyResolverFactoryMojoTest::DeleteProxyResolverCallback,
 740                      base::Unretained(this), callback.callback()),
 741           &handle, net_log)));
 742   on_delete_callback_.WaitForResult();
 743 }
 744
 745 TEST_F(ProxyResolverFactoryMojoTest, DeleteResolver) {
 746   CreateProxyResolver();
 747   proxy_resolver_mojo_.reset();
 748   on_delete_callback_.WaitForResult();
 749 }
 750 }  // namespace net