content/browser/shared_worker/shared_worker_service_impl_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 <map>
   6 #include <set>
   7 #include <vector>
   8
   9 #include "base/atomic_sequence_num.h"
  10 #include "base/basictypes.h"
  11 #include "base/memory/scoped_ptr.h"
  12 #include "base/memory/scoped_vector.h"
  13 #include "base/strings/string16.h"
  14 #include "base/strings/utf_string_conversions.h"
  15 #include "base/synchronization/lock.h"
  16 #include "content/browser/message_port_message_filter.h"
  17 #include "content/browser/shared_worker/shared_worker_message_filter.h"
  18 #include "content/browser/shared_worker/shared_worker_service_impl.h"
  19 #include "content/browser/worker_host/worker_storage_partition.h"
  20 #include "content/common/message_port_messages.h"
  21 #include "content/common/view_messages.h"
  22 #include "content/common/worker_messages.h"
  23 #include "content/public/test/test_browser_context.h"
  24 #include "content/public/test/test_browser_thread_bundle.h"
  25 #include "content/public/test/test_utils.h"
  26 #include "ipc/ipc_sync_message.h"
  27 #include "testing/gtest/include/gtest/gtest.h"
  28
  29 namespace content {
  30
  31 class SharedWorkerServiceImplTest : public testing::Test {
  32  public:
  33   static void RegisterRunningProcessID(int process_id) {
  34     base::AutoLock lock(s_lock_);
  35     s_running_process_id_set_.insert(process_id);
  36   }
  37   static void UnregisterRunningProcessID(int process_id) {
  38     base::AutoLock lock(s_lock_);
  39     s_running_process_id_set_.erase(process_id);
  40   }
  41
  42  protected:
  43   SharedWorkerServiceImplTest()
  44       : browser_thread_bundle_(TestBrowserThreadBundle::IO_MAINLOOP),
  45         browser_context_(new TestBrowserContext()),
  46         partition_(
  47             new WorkerStoragePartition(browser_context_->GetRequestContext(),
  48                                        NULL,
  49                                        NULL,
  50                                        NULL,
  51                                        NULL,
  52                                        NULL,
  53                                        NULL,
  54                                        NULL)) {
  55     SharedWorkerServiceImpl::GetInstance()
  56         ->ChangeUpdateWorkerDependencyFuncForTesting(
  57             &SharedWorkerServiceImplTest::MockUpdateWorkerDependency);
  58     SharedWorkerServiceImpl::GetInstance()
  59         ->ChangeTryIncrementWorkerRefCountFuncForTesting(
  60             &SharedWorkerServiceImplTest::MockTryIncrementWorkerRefCount);
  61   }
  62
  63   virtual void SetUp() OVERRIDE {}
  64   virtual void TearDown() OVERRIDE {
  65     s_update_worker_dependency_call_count_ = 0;
  66     s_worker_dependency_added_ids_.clear();
  67     s_worker_dependency_removed_ids_.clear();
  68     s_running_process_id_set_.clear();
  69     SharedWorkerServiceImpl::GetInstance()->ResetForTesting();
  70   }
  71   static void MockUpdateWorkerDependency(const std::vector<int>& added_ids,
  72                                          const std::vector<int>& removed_ids) {
  73     ++s_update_worker_dependency_call_count_;
  74     s_worker_dependency_added_ids_ = added_ids;
  75     s_worker_dependency_removed_ids_ = removed_ids;
  76   }
  77   static bool MockTryIncrementWorkerRefCount(int worker_process_id) {
  78     base::AutoLock lock(s_lock_);
  79     return s_running_process_id_set_.find(worker_process_id) !=
  80            s_running_process_id_set_.end();
  81   }
  82
  83   TestBrowserThreadBundle browser_thread_bundle_;
  84   scoped_ptr<TestBrowserContext> browser_context_;
  85   scoped_ptr<WorkerStoragePartition> partition_;
  86   static int s_update_worker_dependency_call_count_;
  87   static std::vector<int> s_worker_dependency_added_ids_;
  88   static std::vector<int> s_worker_dependency_removed_ids_;
  89   static base::Lock s_lock_;
  90   static std::set<int> s_running_process_id_set_;
  91   DISALLOW_COPY_AND_ASSIGN(SharedWorkerServiceImplTest);
  92 };
  93
  94 // static
  95 int SharedWorkerServiceImplTest::s_update_worker_dependency_call_count_;
  96 std::vector<int> SharedWorkerServiceImplTest::s_worker_dependency_added_ids_;
  97 std::vector<int> SharedWorkerServiceImplTest::s_worker_dependency_removed_ids_;
  98 base::Lock SharedWorkerServiceImplTest::s_lock_;
  99 std::set<int> SharedWorkerServiceImplTest::s_running_process_id_set_;
 100
 101 namespace {
 102
 103 static const int kProcessIDs[] = {100, 101, 102};
 104 static const unsigned long long kDocumentIDs[] = {200, 201, 202};
 105 static const int kRenderFrameRouteIDs[] = {300, 301, 302};
 106
 107 class MockMessagePortMessageFilter : public MessagePortMessageFilter {
 108  public:
 109   MockMessagePortMessageFilter(const NextRoutingIDCallback& callback,
 110                                ScopedVector<IPC::Message>* message_queue)
 111       : MessagePortMessageFilter(callback), message_queue_(message_queue) {}
 112
 113   virtual bool Send(IPC::Message* message) OVERRIDE {
 114     if (!message_queue_) {
 115       delete message;
 116       return false;
 117     }
 118     message_queue_->push_back(message);
 119     return true;
 120   }
 121
 122   void Close() {
 123     message_queue_ = NULL;
 124     OnChannelClosing();
 125   }
 126
 127  private:
 128   virtual ~MockMessagePortMessageFilter() {}
 129   ScopedVector<IPC::Message>* message_queue_;
 130 };
 131
 132 class MockSharedWorkerMessageFilter : public SharedWorkerMessageFilter {
 133  public:
 134   MockSharedWorkerMessageFilter(int render_process_id,
 135                                 ResourceContext* resource_context,
 136                                 const WorkerStoragePartition& partition,
 137                                 MessagePortMessageFilter* message_port_filter,
 138                                 ScopedVector<IPC::Message>* message_queue)
 139       : SharedWorkerMessageFilter(render_process_id,
 140                                   resource_context,
 141                                   partition,
 142                                   message_port_filter),
 143         message_queue_(message_queue) {}
 144
 145   virtual bool Send(IPC::Message* message) OVERRIDE {
 146     if (!message_queue_) {
 147       delete message;
 148       return false;
 149     }
 150     message_queue_->push_back(message);
 151     return true;
 152   }
 153
 154   void Close() {
 155     message_queue_ = NULL;
 156     OnChannelClosing();
 157   }
 158
 159  private:
 160   virtual ~MockSharedWorkerMessageFilter() {}
 161   ScopedVector<IPC::Message>* message_queue_;
 162 };
 163
 164 class MockRendererProcessHost {
 165  public:
 166   MockRendererProcessHost(int process_id,
 167                           ResourceContext* resource_context,
 168                           const WorkerStoragePartition& partition)
 169       : process_id_(process_id),
 170         message_filter_(new MockMessagePortMessageFilter(
 171             base::Bind(&base::AtomicSequenceNumber::GetNext,
 172                        base::Unretained(&next_routing_id_)),
 173             &queued_messages_)),
 174         worker_filter_(new MockSharedWorkerMessageFilter(process_id,
 175                                                          resource_context,
 176                                                          partition,
 177                                                          message_filter_.get(),
 178                                                          &queued_messages_)) {
 179     SharedWorkerServiceImplTest::RegisterRunningProcessID(process_id);
 180   }
 181
 182   ~MockRendererProcessHost() {
 183     SharedWorkerServiceImplTest::UnregisterRunningProcessID(process_id_);
 184     message_filter_->Close();
 185     worker_filter_->Close();
 186   }
 187
 188   bool OnMessageReceived(IPC::Message* message) {
 189     scoped_ptr<IPC::Message> msg(message);
 190     const bool ret = message_filter_->OnMessageReceived(*message) ||
 191                      worker_filter_->OnMessageReceived(*message);
 192     if (message->is_sync()) {
 193       CHECK(!queued_messages_.empty());
 194       const IPC::Message* response_msg = queued_messages_.back();
 195       IPC::SyncMessage* sync_msg = static_cast<IPC::SyncMessage*>(message);
 196       scoped_ptr<IPC::MessageReplyDeserializer> reply_serializer(
 197           sync_msg->GetReplyDeserializer());
 198       bool result = reply_serializer->SerializeOutputParameters(*response_msg);
 199       CHECK(result);
 200       queued_messages_.pop_back();
 201     }
 202     return ret;
 203   }
 204
 205   size_t QueuedMessageCount() const { return queued_messages_.size(); }
 206
 207   scoped_ptr<IPC::Message> PopMessage() {
 208     CHECK(queued_messages_.size());
 209     scoped_ptr<IPC::Message> msg(*queued_messages_.begin());
 210     queued_messages_.weak_erase(queued_messages_.begin());
 211     return msg.Pass();
 212   }
 213
 214   void FastShutdownIfPossible() {
 215     SharedWorkerServiceImplTest::UnregisterRunningProcessID(process_id_);
 216   }
 217
 218  private:
 219   const int process_id_;
 220   ScopedVector<IPC::Message> queued_messages_;
 221   base::AtomicSequenceNumber next_routing_id_;
 222   scoped_refptr<MockMessagePortMessageFilter> message_filter_;
 223   scoped_refptr<MockSharedWorkerMessageFilter> worker_filter_;
 224 };
 225
 226 void CreateMessagePortPair(MockRendererProcessHost* renderer,
 227                            int* route_1,
 228                            int* port_1,
 229                            int* route_2,
 230                            int* port_2) {
 231   EXPECT_TRUE(renderer->OnMessageReceived(
 232       new MessagePortHostMsg_CreateMessagePort(route_1, port_1)));
 233   EXPECT_TRUE(renderer->OnMessageReceived(
 234       new MessagePortHostMsg_CreateMessagePort(route_2, port_2)));
 235   EXPECT_TRUE(renderer->OnMessageReceived(
 236       new MessagePortHostMsg_Entangle(*port_1, *port_2)));
 237   EXPECT_TRUE(renderer->OnMessageReceived(
 238       new MessagePortHostMsg_Entangle(*port_2, *port_1)));
 239 }
 240
 241 void PostCreateWorker(MockRendererProcessHost* renderer,
 242                       const std::string& url,
 243                       const std::string& name,
 244                       unsigned long long document_id,
 245                       int render_frame_route_id,
 246                       int* connector_route_id) {
 247   ViewHostMsg_CreateWorker_Params params;
 248   params.url = GURL(url);
 249   params.name = base::ASCIIToUTF16(name);
 250   params.content_security_policy = base::string16();
 251   params.security_policy_type = blink::WebContentSecurityPolicyTypeReport;
 252   params.document_id = document_id;
 253   params.render_frame_route_id = render_frame_route_id;
 254   EXPECT_TRUE(renderer->OnMessageReceived(
 255       new ViewHostMsg_CreateWorker(params, connector_route_id)));
 256 }
 257
 258 class MockSharedWorkerConnector {
 259  public:
 260   MockSharedWorkerConnector(MockRendererProcessHost* renderer_host)
 261       : renderer_host_(renderer_host),
 262         temporary_remote_port_route_id_(0),
 263         remote_port_id_(0),
 264         local_port_route_id_(0),
 265         local_port_id_(0),
 266         route_id_(0) {}
 267   void Create(const std::string& url,
 268               const std::string& name,
 269               unsigned long long document_id,
 270               int render_frame_route_id) {
 271     CreateMessagePortPair(renderer_host_,
 272                           &temporary_remote_port_route_id_,
 273                           &remote_port_id_,
 274                           &local_port_route_id_,
 275                           &local_port_id_);
 276     PostCreateWorker(renderer_host_,
 277                      url,
 278                      name,
 279                      document_id,
 280                      render_frame_route_id,
 281                      &route_id_);
 282   }
 283   void SendQueueMessages() {
 284     EXPECT_TRUE(renderer_host_->OnMessageReceived(
 285         new MessagePortHostMsg_QueueMessages(remote_port_id_)));
 286   }
 287   void SendPostMessage(std::string data) {
 288     const std::vector<int> empty_ids;
 289     EXPECT_TRUE(
 290         renderer_host_->OnMessageReceived(new MessagePortHostMsg_PostMessage(
 291             local_port_id_, base::ASCIIToUTF16(data), empty_ids)));
 292   }
 293   void SendConnect() {
 294     EXPECT_TRUE(
 295         renderer_host_->OnMessageReceived(new ViewHostMsg_ForwardToWorker(
 296             WorkerMsg_Connect(route_id_, remote_port_id_, MSG_ROUTING_NONE))));
 297   }
 298   void SendSendQueuedMessages(
 299       const std::vector<QueuedMessage>& queued_messages) {
 300     EXPECT_TRUE(renderer_host_->OnMessageReceived(
 301         new MessagePortHostMsg_SendQueuedMessages(remote_port_id_,
 302                                                   queued_messages)));
 303   }
 304   int temporary_remote_port_route_id() {
 305     return temporary_remote_port_route_id_;
 306   }
 307   int remote_port_id() { return remote_port_id_; }
 308   int local_port_route_id() { return local_port_route_id_; }
 309   int local_port_id() { return local_port_id_; }
 310   int route_id() { return route_id_; }
 311
 312  private:
 313   MockRendererProcessHost* renderer_host_;
 314   int temporary_remote_port_route_id_;
 315   int remote_port_id_;
 316   int local_port_route_id_;
 317   int local_port_id_;
 318   int route_id_;
 319 };
 320
 321 void CheckWorkerProcessMsgCreateWorker(
 322     MockRendererProcessHost* renderer_host,
 323     const std::string& expected_url,
 324     const std::string& expected_name,
 325     blink::WebContentSecurityPolicyType expected_security_policy_type,
 326     int* route_id) {
 327   scoped_ptr<IPC::Message> msg(renderer_host->PopMessage());
 328   EXPECT_EQ(WorkerProcessMsg_CreateWorker::ID, msg->type());
 329   Tuple1<WorkerProcessMsg_CreateWorker_Params> param;
 330   EXPECT_TRUE(WorkerProcessMsg_CreateWorker::Read(msg.get(), &param));
 331   EXPECT_EQ(GURL(expected_url), param.a.url);
 332   EXPECT_EQ(base::ASCIIToUTF16(expected_name), param.a.name);
 333   EXPECT_EQ(expected_security_policy_type, param.a.security_policy_type);
 334   *route_id = param.a.route_id;
 335 }
 336
 337 void CheckViewMsgWorkerCreated(MockRendererProcessHost* renderer_host,
 338                                MockSharedWorkerConnector* connector) {
 339   scoped_ptr<IPC::Message> msg(renderer_host->PopMessage());
 340   EXPECT_EQ(ViewMsg_WorkerCreated::ID, msg->type());
 341   EXPECT_EQ(connector->route_id(), msg->routing_id());
 342 }
 343
 344 void CheckMessagePortMsgMessagesQueued(MockRendererProcessHost* renderer_host,
 345                                        MockSharedWorkerConnector* connector) {
 346   scoped_ptr<IPC::Message> msg(renderer_host->PopMessage());
 347   EXPECT_EQ(MessagePortMsg_MessagesQueued::ID, msg->type());
 348   EXPECT_EQ(connector->temporary_remote_port_route_id(), msg->routing_id());
 349 }
 350
 351 void CheckWorkerMsgConnect(MockRendererProcessHost* renderer_host,
 352                            int expected_msg_route_id,
 353                            int expected_sent_message_port_id,
 354                            int* routing_id) {
 355   scoped_ptr<IPC::Message> msg(renderer_host->PopMessage());
 356   EXPECT_EQ(WorkerMsg_Connect::ID, msg->type());
 357   EXPECT_EQ(expected_msg_route_id, msg->routing_id());
 358   WorkerMsg_Connect::Param params;
 359   EXPECT_TRUE(WorkerMsg_Connect::Read(msg.get(), &params));
 360   int port_id = params.a;
 361   *routing_id = params.b;
 362   EXPECT_EQ(expected_sent_message_port_id, port_id);
 363 }
 364
 365 void CheckMessagePortMsgMessage(MockRendererProcessHost* renderer_host,
 366                                 int expected_msg_route_id,
 367                                 std::string expected_data) {
 368   scoped_ptr<IPC::Message> msg(renderer_host->PopMessage());
 369   EXPECT_EQ(MessagePortMsg_Message::ID, msg->type());
 370   EXPECT_EQ(expected_msg_route_id, msg->routing_id());
 371   MessagePortMsg_Message::Param params;
 372   EXPECT_TRUE(MessagePortMsg_Message::Read(msg.get(), &params));
 373   base::string16 data = params.a;
 374   EXPECT_EQ(base::ASCIIToUTF16(expected_data), data);
 375 }
 376
 377 void CheckViewMsgWorkerConnected(MockRendererProcessHost* renderer_host,
 378                                  MockSharedWorkerConnector* connector) {
 379   scoped_ptr<IPC::Message> msg(renderer_host->PopMessage());
 380   EXPECT_EQ(ViewMsg_WorkerConnected::ID, msg->type());
 381   EXPECT_EQ(connector->route_id(), msg->routing_id());
 382 }
 383
 384 }  // namespace
 385
 386 TEST_F(SharedWorkerServiceImplTest, BasicTest) {
 387   scoped_ptr<MockRendererProcessHost> renderer_host(
 388       new MockRendererProcessHost(kProcessIDs[0],
 389                                   browser_context_->GetResourceContext(),
 390                                   *partition_.get()));
 391   scoped_ptr<MockSharedWorkerConnector> connector(
 392       new MockSharedWorkerConnector(renderer_host.get()));
 393   int worker_route_id;
 394   int worker_msg_port_route_id;
 395
 396   // SharedWorkerConnector creates two message ports and sends
 397   // ViewHostMsg_CreateWorker.
 398   connector->Create("http://example.com/w.js",
 399                     "name",
 400                     kDocumentIDs[0],
 401                     kRenderFrameRouteIDs[0]);
 402   // We need to go to UI thread to call ReserveRenderProcessOnUI().
 403   RunAllPendingInMessageLoop();
 404   EXPECT_EQ(2U, renderer_host->QueuedMessageCount());
 405   // WorkerProcessMsg_CreateWorker should be sent to the renderer in which
 406   // SharedWorker will be created.
 407   CheckWorkerProcessMsgCreateWorker(renderer_host.get(),
 408                                     "http://example.com/w.js",
 409                                     "name",
 410                                     blink::WebContentSecurityPolicyTypeReport,
 411                                     &worker_route_id);
 412   // ViewMsg_WorkerCreated(1) should be sent back to SharedWorkerConnector side.
 413   CheckViewMsgWorkerCreated(renderer_host.get(), connector.get());
 414
 415   // SharedWorkerConnector side sends MessagePortHostMsg_QueueMessages in
 416   // WebSharedWorkerProxy::connect.
 417   connector->SendQueueMessages();
 418   EXPECT_EQ(1U, renderer_host->QueuedMessageCount());
 419   // MessagePortMsg_MessagesQueued(2) should be sent back to
 420   // SharedWorkerConnector side.
 421   CheckMessagePortMsgMessagesQueued(renderer_host.get(), connector.get());
 422
 423   // When SharedWorkerConnector receives ViewMsg_WorkerCreated(1), it sends
 424   // WorkerMsg_Connect wrapped in ViewHostMsg_ForwardToWorker.
 425   connector->SendConnect();
 426   EXPECT_EQ(1U, renderer_host->QueuedMessageCount());
 427   // WorkerMsg_Connect should be sent to SharedWorker side.
 428   CheckWorkerMsgConnect(renderer_host.get(),
 429                         worker_route_id,
 430                         connector->remote_port_id(),
 431                         &worker_msg_port_route_id);
 432
 433   // When SharedWorkerConnector receives MessagePortMsg_MessagesQueued(2), it
 434   // sends MessagePortHostMsg_SendQueuedMessages.
 435   std::vector<QueuedMessage> empty_messages;
 436   connector->SendSendQueuedMessages(empty_messages);
 437   EXPECT_EQ(0U, renderer_host->QueuedMessageCount());
 438
 439   // SharedWorker sends WorkerHostMsg_WorkerScriptLoaded in
 440   // EmbeddedSharedWorkerStub::workerScriptLoaded().
 441   EXPECT_TRUE(renderer_host->OnMessageReceived(
 442       new WorkerHostMsg_WorkerScriptLoaded(worker_route_id)));
 443   EXPECT_EQ(0U, renderer_host->QueuedMessageCount());
 444
 445   // SharedWorker sends WorkerHostMsg_WorkerConnected in
 446   // EmbeddedSharedWorkerStub::workerScriptLoaded().
 447   EXPECT_TRUE(
 448       renderer_host->OnMessageReceived(new WorkerHostMsg_WorkerConnected(
 449           connector->remote_port_id(), worker_route_id)));
 450   EXPECT_EQ(1U, renderer_host->QueuedMessageCount());
 451   // ViewMsg_WorkerConnected should be sent to SharedWorkerConnector side.
 452   CheckViewMsgWorkerConnected(renderer_host.get(), connector.get());
 453
 454   // When SharedWorkerConnector side sends MessagePortHostMsg_PostMessage,
 455   // SharedWorker side shuold receive MessagePortMsg_Message.
 456   connector->SendPostMessage("test1");
 457   EXPECT_EQ(1U, renderer_host->QueuedMessageCount());
 458   CheckMessagePortMsgMessage(
 459       renderer_host.get(), worker_msg_port_route_id, "test1");
 460
 461   // When SharedWorker side sends MessagePortHostMsg_PostMessage,
 462   // SharedWorkerConnector side shuold receive MessagePortMsg_Message.
 463   const std::vector<int> empty_ids;
 464   EXPECT_TRUE(renderer_host->OnMessageReceived(
 465       new MessagePortHostMsg_PostMessage(connector->remote_port_id(),
 466                                          base::ASCIIToUTF16("test2"),
 467                                          empty_ids)));
 468   EXPECT_EQ(1U, renderer_host->QueuedMessageCount());
 469   CheckMessagePortMsgMessage(
 470       renderer_host.get(), connector->local_port_route_id(), "test2");
 471
 472   // UpdateWorkerDependency should not be called.
 473   EXPECT_EQ(0, s_update_worker_dependency_call_count_);
 474 }
 475
 476 TEST_F(SharedWorkerServiceImplTest, TwoRendererTest) {
 477   // The first renderer host.
 478   scoped_ptr<MockRendererProcessHost> renderer_host0(
 479       new MockRendererProcessHost(kProcessIDs[0],
 480                                   browser_context_->GetResourceContext(),
 481                                   *partition_.get()));
 482   scoped_ptr<MockSharedWorkerConnector> connector0(
 483       new MockSharedWorkerConnector(renderer_host0.get()));
 484   int worker_route_id;
 485   int worker_msg_port_route_id1;
 486
 487   // SharedWorkerConnector creates two message ports and sends
 488   // ViewHostMsg_CreateWorker.
 489   connector0->Create("http://example.com/w.js",
 490                      "name",
 491                      kDocumentIDs[0],
 492                      kRenderFrameRouteIDs[0]);
 493   // We need to go to UI thread to call ReserveRenderProcessOnUI().
 494   RunAllPendingInMessageLoop();
 495   EXPECT_EQ(2U, renderer_host0->QueuedMessageCount());
 496   // WorkerProcessMsg_CreateWorker should be sent to the renderer in which
 497   // SharedWorker will be created.
 498   CheckWorkerProcessMsgCreateWorker(renderer_host0.get(),
 499                                     "http://example.com/w.js",
 500                                     "name",
 501                                     blink::WebContentSecurityPolicyTypeReport,
 502                                     &worker_route_id);
 503   // ViewMsg_WorkerCreated(1) should be sent back to SharedWorkerConnector side.
 504   CheckViewMsgWorkerCreated(renderer_host0.get(), connector0.get());
 505
 506   // SharedWorkerConnector side sends MessagePortHostMsg_QueueMessages in
 507   // WebSharedWorkerProxy::connect.
 508   connector0->SendQueueMessages();
 509   EXPECT_EQ(1U, renderer_host0->QueuedMessageCount());
 510   // MessagePortMsg_MessagesQueued(2) should be sent back to
 511   // SharedWorkerConnector side.
 512   CheckMessagePortMsgMessagesQueued(renderer_host0.get(), connector0.get());
 513
 514   // When SharedWorkerConnector receives ViewMsg_WorkerCreated(1), it sends
 515   // WorkerMsg_Connect wrapped in ViewHostMsg_ForwardToWorker.
 516   connector0->SendConnect();
 517   EXPECT_EQ(1U, renderer_host0->QueuedMessageCount());
 518   // WorkerMsg_Connect should be sent to SharedWorker side.
 519   CheckWorkerMsgConnect(renderer_host0.get(),
 520                         worker_route_id,
 521                         connector0->remote_port_id(),
 522                         &worker_msg_port_route_id1);
 523
 524   // When SharedWorkerConnector receives MessagePortMsg_MessagesQueued(2), it
 525   // sends MessagePortHostMsg_SendQueuedMessages.
 526   std::vector<QueuedMessage> empty_messages;
 527   connector0->SendSendQueuedMessages(empty_messages);
 528   EXPECT_EQ(0U, renderer_host0->QueuedMessageCount());
 529
 530   // SharedWorker sends WorkerHostMsg_WorkerScriptLoaded in
 531   // EmbeddedSharedWorkerStub::workerScriptLoaded().
 532   EXPECT_TRUE(renderer_host0->OnMessageReceived(
 533       new WorkerHostMsg_WorkerScriptLoaded(worker_route_id)));
 534   EXPECT_EQ(0U, renderer_host0->QueuedMessageCount());
 535
 536   // SharedWorker sends WorkerHostMsg_WorkerConnected in
 537   // EmbeddedSharedWorkerStub::workerScriptLoaded().
 538   EXPECT_TRUE(
 539       renderer_host0->OnMessageReceived(new WorkerHostMsg_WorkerConnected(
 540           connector0->remote_port_id(), worker_route_id)));
 541   EXPECT_EQ(1U, renderer_host0->QueuedMessageCount());
 542   // ViewMsg_WorkerConnected should be sent to SharedWorkerConnector side.
 543   CheckViewMsgWorkerConnected(renderer_host0.get(), connector0.get());
 544
 545   // When SharedWorkerConnector side sends MessagePortHostMsg_PostMessage,
 546   // SharedWorker side shuold receive MessagePortMsg_Message.
 547   connector0->SendPostMessage("test1");
 548   EXPECT_EQ(1U, renderer_host0->QueuedMessageCount());
 549   CheckMessagePortMsgMessage(
 550       renderer_host0.get(), worker_msg_port_route_id1, "test1");
 551
 552   // When SharedWorker side sends MessagePortHostMsg_PostMessage,
 553   // SharedWorkerConnector side shuold receive MessagePortMsg_Message.
 554   const std::vector<int> empty_ids;
 555   EXPECT_TRUE(renderer_host0->OnMessageReceived(
 556       new MessagePortHostMsg_PostMessage(connector0->remote_port_id(),
 557                                          base::ASCIIToUTF16("test2"),
 558                                          empty_ids)));
 559   EXPECT_EQ(1U, renderer_host0->QueuedMessageCount());
 560   CheckMessagePortMsgMessage(
 561       renderer_host0.get(), connector0->local_port_route_id(), "test2");
 562
 563   // The second renderer host.
 564   scoped_ptr<MockRendererProcessHost> renderer_host1(
 565       new MockRendererProcessHost(kProcessIDs[1],
 566                                   browser_context_->GetResourceContext(),
 567                                   *partition_.get()));
 568   scoped_ptr<MockSharedWorkerConnector> connector1(
 569       new MockSharedWorkerConnector(renderer_host1.get()));
 570   int worker_msg_port_route_id2;
 571
 572   // UpdateWorkerDependency should not be called yet.
 573   EXPECT_EQ(0, s_update_worker_dependency_call_count_);
 574
 575   // SharedWorkerConnector creates two message ports and sends
 576   // ViewHostMsg_CreateWorker.
 577   connector1->Create("http://example.com/w.js",
 578                      "name",
 579                      kDocumentIDs[1],
 580                      kRenderFrameRouteIDs[1]);
 581   // We need to go to UI thread to call ReserveRenderProcessOnUI().
 582   RunAllPendingInMessageLoop();
 583   EXPECT_EQ(1U, renderer_host1->QueuedMessageCount());
 584   // ViewMsg_WorkerCreated(3) should be sent back to SharedWorkerConnector side.
 585   CheckViewMsgWorkerCreated(renderer_host1.get(), connector1.get());
 586
 587   // UpdateWorkerDependency should be called.
 588   EXPECT_EQ(1, s_update_worker_dependency_call_count_);
 589   EXPECT_EQ(1U, s_worker_dependency_added_ids_.size());
 590   EXPECT_EQ(kProcessIDs[0], s_worker_dependency_added_ids_[0]);
 591   EXPECT_EQ(0U, s_worker_dependency_removed_ids_.size());
 592
 593   // SharedWorkerConnector side sends MessagePortHostMsg_QueueMessages in
 594   // WebSharedWorkerProxy::connect.
 595   connector1->SendQueueMessages();
 596   EXPECT_EQ(1U, renderer_host1->QueuedMessageCount());
 597   // MessagePortMsg_MessagesQueued(4) should be sent back to
 598   // SharedWorkerConnector side.
 599   CheckMessagePortMsgMessagesQueued(renderer_host1.get(), connector1.get());
 600
 601   // When SharedWorkerConnector receives ViewMsg_WorkerCreated(3), it sends
 602   // WorkerMsg_Connect wrapped in ViewHostMsg_ForwardToWorker.
 603   connector1->SendConnect();
 604   EXPECT_EQ(1U, renderer_host0->QueuedMessageCount());
 605   // WorkerMsg_Connect should be sent to SharedWorker side.
 606   CheckWorkerMsgConnect(renderer_host0.get(),
 607                         worker_route_id,
 608                         connector1->remote_port_id(),
 609                         &worker_msg_port_route_id2);
 610
 611   // When SharedWorkerConnector receives MessagePortMsg_MessagesQueued(4), it
 612   // sends MessagePortHostMsg_SendQueuedMessages.
 613   connector1->SendSendQueuedMessages(empty_messages);
 614   EXPECT_EQ(0U, renderer_host1->QueuedMessageCount());
 615
 616   // SharedWorker sends WorkerHostMsg_WorkerConnected in
 617   // EmbeddedSharedWorkerStub::OnConnect().
 618   EXPECT_TRUE(
 619       renderer_host0->OnMessageReceived(new WorkerHostMsg_WorkerConnected(
 620           connector1->remote_port_id(), worker_route_id)));
 621   EXPECT_EQ(1U, renderer_host1->QueuedMessageCount());
 622   // ViewMsg_WorkerConnected should be sent to SharedWorkerConnector side.
 623   CheckViewMsgWorkerConnected(renderer_host1.get(), connector1.get());
 624
 625   // When SharedWorkerConnector side sends MessagePortHostMsg_PostMessage,
 626   // SharedWorker side shuold receive MessagePortMsg_Message.
 627   connector1->SendPostMessage("test3");
 628   EXPECT_EQ(1U, renderer_host0->QueuedMessageCount());
 629   CheckMessagePortMsgMessage(
 630       renderer_host0.get(), worker_msg_port_route_id2, "test3");
 631
 632   // When SharedWorker side sends MessagePortHostMsg_PostMessage,
 633   // SharedWorkerConnector side shuold receive MessagePortMsg_Message.
 634   EXPECT_TRUE(renderer_host0->OnMessageReceived(
 635       new MessagePortHostMsg_PostMessage(connector1->remote_port_id(),
 636                                          base::ASCIIToUTF16("test4"),
 637                                          empty_ids)));
 638   EXPECT_EQ(1U, renderer_host1->QueuedMessageCount());
 639   CheckMessagePortMsgMessage(
 640       renderer_host1.get(), connector1->local_port_route_id(), "test4");
 641
 642   EXPECT_EQ(1, s_update_worker_dependency_call_count_);
 643   renderer_host1.reset();
 644   // UpdateWorkerDependency should be called.
 645   EXPECT_EQ(2, s_update_worker_dependency_call_count_);
 646   EXPECT_EQ(0U, s_worker_dependency_added_ids_.size());
 647   EXPECT_EQ(1U, s_worker_dependency_removed_ids_.size());
 648   EXPECT_EQ(kProcessIDs[0], s_worker_dependency_removed_ids_[0]);
 649 }
 650
 651 TEST_F(SharedWorkerServiceImplTest, CreateWorkerTest) {
 652   // The first renderer host.
 653   scoped_ptr<MockRendererProcessHost> renderer_host0(
 654       new MockRendererProcessHost(kProcessIDs[0],
 655                                   browser_context_->GetResourceContext(),
 656                                   *partition_.get()));
 657   // The second renderer host.
 658   scoped_ptr<MockRendererProcessHost> renderer_host1(
 659       new MockRendererProcessHost(kProcessIDs[1],
 660                                   browser_context_->GetResourceContext(),
 661                                   *partition_.get()));
 662   int worker_route_id;
 663
 664   // Normal case.
 665   {
 666     scoped_ptr<MockSharedWorkerConnector> connector0(
 667         new MockSharedWorkerConnector(renderer_host0.get()));
 668     scoped_ptr<MockSharedWorkerConnector> connector1(
 669         new MockSharedWorkerConnector(renderer_host1.get()));
 670     connector0->Create("http://example.com/w1.js",
 671                        "name1",
 672                        kDocumentIDs[0],
 673                        kRenderFrameRouteIDs[0]);
 674     EXPECT_NE(MSG_ROUTING_NONE, connector0->route_id());
 675     EXPECT_EQ(0U, renderer_host0->QueuedMessageCount());
 676     RunAllPendingInMessageLoop();
 677     EXPECT_EQ(2U, renderer_host0->QueuedMessageCount());
 678     CheckWorkerProcessMsgCreateWorker(renderer_host0.get(),
 679                                       "http://example.com/w1.js",
 680                                       "name1",
 681                                       blink::WebContentSecurityPolicyTypeReport,
 682                                       &worker_route_id);
 683     CheckViewMsgWorkerCreated(renderer_host0.get(), connector0.get());
 684     connector1->Create("http://example.com/w1.js",
 685                        "name1",
 686                        kDocumentIDs[1],
 687                        kRenderFrameRouteIDs[1]);
 688     EXPECT_NE(MSG_ROUTING_NONE, connector1->route_id());
 689     EXPECT_EQ(0U, renderer_host1->QueuedMessageCount());
 690     RunAllPendingInMessageLoop();
 691     EXPECT_EQ(1U, renderer_host1->QueuedMessageCount());
 692     CheckViewMsgWorkerCreated(renderer_host1.get(), connector1.get());
 693   }
 694
 695   // Normal case (URL mismatch).
 696   {
 697     scoped_ptr<MockSharedWorkerConnector> connector0(
 698         new MockSharedWorkerConnector(renderer_host0.get()));
 699     scoped_ptr<MockSharedWorkerConnector> connector1(
 700         new MockSharedWorkerConnector(renderer_host1.get()));
 701     connector0->Create("http://example.com/w2.js",
 702                        "name2",
 703                        kDocumentIDs[0],
 704                        kRenderFrameRouteIDs[0]);
 705     EXPECT_NE(MSG_ROUTING_NONE, connector0->route_id());
 706     EXPECT_EQ(0U, renderer_host0->QueuedMessageCount());
 707     RunAllPendingInMessageLoop();
 708     EXPECT_EQ(2U, renderer_host0->QueuedMessageCount());
 709     CheckWorkerProcessMsgCreateWorker(renderer_host0.get(),
 710                                       "http://example.com/w2.js",
 711                                       "name2",
 712                                       blink::WebContentSecurityPolicyTypeReport,
 713                                       &worker_route_id);
 714     CheckViewMsgWorkerCreated(renderer_host0.get(), connector0.get());
 715     connector1->Create("http://example.com/w2x.js",
 716                        "name2",
 717                        kDocumentIDs[1],
 718                        kRenderFrameRouteIDs[1]);
 719     EXPECT_EQ(MSG_ROUTING_NONE, connector1->route_id());
 720     EXPECT_EQ(0U, renderer_host1->QueuedMessageCount());
 721     RunAllPendingInMessageLoop();
 722     EXPECT_EQ(0U, renderer_host1->QueuedMessageCount());
 723   }
 724
 725   // Pending case.
 726   {
 727     scoped_ptr<MockSharedWorkerConnector> connector0(
 728         new MockSharedWorkerConnector(renderer_host0.get()));
 729     scoped_ptr<MockSharedWorkerConnector> connector1(
 730         new MockSharedWorkerConnector(renderer_host1.get()));
 731     connector0->Create("http://example.com/w3.js",
 732                        "name3",
 733                        kDocumentIDs[0],
 734                        kRenderFrameRouteIDs[0]);
 735     EXPECT_NE(MSG_ROUTING_NONE, connector0->route_id());
 736     EXPECT_EQ(0U, renderer_host0->QueuedMessageCount());
 737     connector1->Create("http://example.com/w3.js",
 738                        "name3",
 739                        kDocumentIDs[1],
 740                        kRenderFrameRouteIDs[1]);
 741     EXPECT_NE(MSG_ROUTING_NONE, connector1->route_id());
 742     EXPECT_EQ(0U, renderer_host1->QueuedMessageCount());
 743     RunAllPendingInMessageLoop();
 744     EXPECT_EQ(2U, renderer_host0->QueuedMessageCount());
 745     CheckWorkerProcessMsgCreateWorker(renderer_host0.get(),
 746                                       "http://example.com/w3.js",
 747                                       "name3",
 748                                       blink::WebContentSecurityPolicyTypeReport,
 749                                       &worker_route_id);
 750     CheckViewMsgWorkerCreated(renderer_host0.get(), connector0.get());
 751     EXPECT_EQ(1U, renderer_host1->QueuedMessageCount());
 752     CheckViewMsgWorkerCreated(renderer_host1.get(), connector1.get());
 753   }
 754
 755   // Pending case (URL mismatch).
 756   {
 757     scoped_ptr<MockSharedWorkerConnector> connector0(
 758         new MockSharedWorkerConnector(renderer_host0.get()));
 759     scoped_ptr<MockSharedWorkerConnector> connector1(
 760         new MockSharedWorkerConnector(renderer_host1.get()));
 761     connector0->Create("http://example.com/w4.js",
 762                        "name4",
 763                        kDocumentIDs[0],
 764                        kRenderFrameRouteIDs[0]);
 765     EXPECT_NE(MSG_ROUTING_NONE, connector0->route_id());
 766     EXPECT_EQ(0U, renderer_host0->QueuedMessageCount());
 767     connector1->Create("http://example.com/w4x.js",
 768                        "name4",
 769                        kDocumentIDs[1],
 770                        kRenderFrameRouteIDs[1]);
 771     EXPECT_EQ(MSG_ROUTING_NONE, connector1->route_id());
 772     EXPECT_EQ(0U, renderer_host1->QueuedMessageCount());
 773     RunAllPendingInMessageLoop();
 774     EXPECT_EQ(2U, renderer_host0->QueuedMessageCount());
 775     CheckWorkerProcessMsgCreateWorker(renderer_host0.get(),
 776                                       "http://example.com/w4.js",
 777                                       "name4",
 778                                       blink::WebContentSecurityPolicyTypeReport,
 779                                       &worker_route_id);
 780     CheckViewMsgWorkerCreated(renderer_host0.get(), connector0.get());
 781     EXPECT_EQ(0U, renderer_host1->QueuedMessageCount());
 782   }
 783 }
 784
 785 TEST_F(SharedWorkerServiceImplTest, CreateWorkerRaceTest) {
 786   // Create three renderer hosts.
 787   scoped_ptr<MockRendererProcessHost> renderer_host0(
 788       new MockRendererProcessHost(kProcessIDs[0],
 789                                   browser_context_->GetResourceContext(),
 790                                   *partition_.get()));
 791   scoped_ptr<MockRendererProcessHost> renderer_host1(
 792       new MockRendererProcessHost(kProcessIDs[1],
 793                                   browser_context_->GetResourceContext(),
 794                                   *partition_.get()));
 795   scoped_ptr<MockRendererProcessHost> renderer_host2(
 796       new MockRendererProcessHost(kProcessIDs[2],
 797                                   browser_context_->GetResourceContext(),
 798                                   *partition_.get()));
 799   int worker_route_id;
 800
 801   scoped_ptr<MockSharedWorkerConnector> connector0(
 802       new MockSharedWorkerConnector(renderer_host0.get()));
 803   scoped_ptr<MockSharedWorkerConnector> connector1(
 804       new MockSharedWorkerConnector(renderer_host1.get()));
 805   scoped_ptr<MockSharedWorkerConnector> connector2(
 806       new MockSharedWorkerConnector(renderer_host2.get()));
 807   connector0->Create("http://example.com/w1.js",
 808                      "name1",
 809                      kDocumentIDs[0],
 810                      kRenderFrameRouteIDs[0]);
 811   EXPECT_NE(MSG_ROUTING_NONE, connector0->route_id());
 812   EXPECT_EQ(0U, renderer_host0->QueuedMessageCount());
 813   RunAllPendingInMessageLoop();
 814   EXPECT_EQ(2U, renderer_host0->QueuedMessageCount());
 815   CheckWorkerProcessMsgCreateWorker(renderer_host0.get(),
 816                                     "http://example.com/w1.js",
 817                                     "name1",
 818                                     blink::WebContentSecurityPolicyTypeReport,
 819                                     &worker_route_id);
 820   CheckViewMsgWorkerCreated(renderer_host0.get(), connector0.get());
 821   renderer_host0->FastShutdownIfPossible();
 822
 823   connector1->Create("http://example.com/w1.js",
 824                      "name1",
 825                      kDocumentIDs[1],
 826                      kRenderFrameRouteIDs[1]);
 827   EXPECT_NE(MSG_ROUTING_NONE, connector1->route_id());
 828   EXPECT_EQ(0U, renderer_host1->QueuedMessageCount());
 829   RunAllPendingInMessageLoop();
 830   EXPECT_EQ(2U, renderer_host1->QueuedMessageCount());
 831   CheckWorkerProcessMsgCreateWorker(renderer_host1.get(),
 832                                     "http://example.com/w1.js",
 833                                     "name1",
 834                                     blink::WebContentSecurityPolicyTypeReport,
 835                                     &worker_route_id);
 836   CheckViewMsgWorkerCreated(renderer_host1.get(), connector1.get());
 837
 838   connector2->Create("http://example.com/w1.js",
 839                      "name1",
 840                      kDocumentIDs[2],
 841                      kRenderFrameRouteIDs[2]);
 842   EXPECT_NE(MSG_ROUTING_NONE, connector2->route_id());
 843   EXPECT_EQ(0U, renderer_host2->QueuedMessageCount());
 844   RunAllPendingInMessageLoop();
 845   EXPECT_EQ(1U, renderer_host2->QueuedMessageCount());
 846   CheckViewMsgWorkerCreated(renderer_host2.get(), connector2.get());
 847 }
 848
 849 TEST_F(SharedWorkerServiceImplTest, CreateWorkerRaceTest2) {
 850   // Create three renderer hosts.
 851   scoped_ptr<MockRendererProcessHost> renderer_host0(
 852       new MockRendererProcessHost(kProcessIDs[0],
 853                                   browser_context_->GetResourceContext(),
 854                                   *partition_.get()));
 855   scoped_ptr<MockRendererProcessHost> renderer_host1(
 856       new MockRendererProcessHost(kProcessIDs[1],
 857                                   browser_context_->GetResourceContext(),
 858                                   *partition_.get()));
 859   scoped_ptr<MockRendererProcessHost> renderer_host2(
 860       new MockRendererProcessHost(kProcessIDs[2],
 861                                   browser_context_->GetResourceContext(),
 862                                   *partition_.get()));
 863   int worker_route_id;
 864
 865   scoped_ptr<MockSharedWorkerConnector> connector0(
 866       new MockSharedWorkerConnector(renderer_host0.get()));
 867   scoped_ptr<MockSharedWorkerConnector> connector1(
 868       new MockSharedWorkerConnector(renderer_host1.get()));
 869   scoped_ptr<MockSharedWorkerConnector> connector2(
 870       new MockSharedWorkerConnector(renderer_host2.get()));
 871   connector0->Create("http://example.com/w1.js",
 872                      "name1",
 873                      kDocumentIDs[0],
 874                      kRenderFrameRouteIDs[0]);
 875   EXPECT_NE(MSG_ROUTING_NONE, connector0->route_id());
 876   EXPECT_EQ(0U, renderer_host0->QueuedMessageCount());
 877   renderer_host0->FastShutdownIfPossible();
 878
 879   connector1->Create("http://example.com/w1.js",
 880                      "name1",
 881                      kDocumentIDs[1],
 882                      kRenderFrameRouteIDs[1]);
 883   EXPECT_NE(MSG_ROUTING_NONE, connector1->route_id());
 884   EXPECT_EQ(0U, renderer_host1->QueuedMessageCount());
 885   RunAllPendingInMessageLoop();
 886   EXPECT_EQ(2U, renderer_host1->QueuedMessageCount());
 887   CheckWorkerProcessMsgCreateWorker(renderer_host1.get(),
 888                                     "http://example.com/w1.js",
 889                                     "name1",
 890                                     blink::WebContentSecurityPolicyTypeReport,
 891                                     &worker_route_id);
 892   CheckViewMsgWorkerCreated(renderer_host1.get(), connector1.get());
 893
 894   connector2->Create("http://example.com/w1.js",
 895                      "name1",
 896                      kDocumentIDs[2],
 897                      kRenderFrameRouteIDs[2]);
 898   EXPECT_NE(MSG_ROUTING_NONE, connector2->route_id());
 899   EXPECT_EQ(0U, renderer_host2->QueuedMessageCount());
 900   RunAllPendingInMessageLoop();
 901   EXPECT_EQ(1U, renderer_host2->QueuedMessageCount());
 902   CheckViewMsgWorkerCreated(renderer_host2.get(), connector2.get());
 903 }
 904
 905 }  // namespace content