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/shared_worker/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   void SetUp() override {}
  64   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   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   ~MockMessagePortMessageFilter() override {}
 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   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   ~MockSharedWorkerMessageFilter() override {}
 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<TransferredMessagePort> empty_ports;
 289     EXPECT_TRUE(
 290         renderer_host_->OnMessageReceived(new MessagePortHostMsg_PostMessage(
 291             local_port_id_,
 292             MessagePortMessage(base::ASCIIToUTF16(data)), empty_ports)));
 293   }
 294   void SendConnect() {
 295     EXPECT_TRUE(
 296         renderer_host_->OnMessageReceived(new ViewHostMsg_ForwardToWorker(
 297             WorkerMsg_Connect(route_id_, remote_port_id_, MSG_ROUTING_NONE))));
 298   }
 299   void SendSendQueuedMessages(
 300       const std::vector<QueuedMessage>& queued_messages) {
 301     EXPECT_TRUE(renderer_host_->OnMessageReceived(
 302         new MessagePortHostMsg_SendQueuedMessages(remote_port_id_,
 303                                                   queued_messages)));
 304   }
 305   int temporary_remote_port_route_id() {
 306     return temporary_remote_port_route_id_;
 307   }
 308   int remote_port_id() { return remote_port_id_; }
 309   int local_port_route_id() { return local_port_route_id_; }
 310   int local_port_id() { return local_port_id_; }
 311   int route_id() { return route_id_; }
 312
 313  private:
 314   MockRendererProcessHost* renderer_host_;
 315   int temporary_remote_port_route_id_;
 316   int remote_port_id_;
 317   int local_port_route_id_;
 318   int local_port_id_;
 319   int route_id_;
 320 };
 321
 322 void CheckWorkerProcessMsgCreateWorker(
 323     MockRendererProcessHost* renderer_host,
 324     const std::string& expected_url,
 325     const std::string& expected_name,
 326     blink::WebContentSecurityPolicyType expected_security_policy_type,
 327     int* route_id) {
 328   scoped_ptr<IPC::Message> msg(renderer_host->PopMessage());
 329   EXPECT_EQ(WorkerProcessMsg_CreateWorker::ID, msg->type());
 330   Tuple<WorkerProcessMsg_CreateWorker_Params> param;
 331   EXPECT_TRUE(WorkerProcessMsg_CreateWorker::Read(msg.get(), &param));
 332   EXPECT_EQ(GURL(expected_url), get<0>(param).url);
 333   EXPECT_EQ(base::ASCIIToUTF16(expected_name), get<0>(param).name);
 334   EXPECT_EQ(expected_security_policy_type, get<0>(param).security_policy_type);
 335   *route_id = get<0>(param).route_id;
 336 }
 337
 338 void CheckViewMsgWorkerCreated(MockRendererProcessHost* renderer_host,
 339                                MockSharedWorkerConnector* connector) {
 340   scoped_ptr<IPC::Message> msg(renderer_host->PopMessage());
 341   EXPECT_EQ(ViewMsg_WorkerCreated::ID, msg->type());
 342   EXPECT_EQ(connector->route_id(), msg->routing_id());
 343 }
 344
 345 void CheckMessagePortMsgMessagesQueued(MockRendererProcessHost* renderer_host,
 346                                        MockSharedWorkerConnector* connector) {
 347   scoped_ptr<IPC::Message> msg(renderer_host->PopMessage());
 348   EXPECT_EQ(MessagePortMsg_MessagesQueued::ID, msg->type());
 349   EXPECT_EQ(connector->temporary_remote_port_route_id(), msg->routing_id());
 350 }
 351
 352 void CheckWorkerMsgConnect(MockRendererProcessHost* renderer_host,
 353                            int expected_msg_route_id,
 354                            int expected_sent_message_port_id,
 355                            int* routing_id) {
 356   scoped_ptr<IPC::Message> msg(renderer_host->PopMessage());
 357   EXPECT_EQ(WorkerMsg_Connect::ID, msg->type());
 358   EXPECT_EQ(expected_msg_route_id, msg->routing_id());
 359   WorkerMsg_Connect::Param params;
 360   EXPECT_TRUE(WorkerMsg_Connect::Read(msg.get(), &params));
 361   int port_id = get<0>(params);
 362   *routing_id = get<1>(params);
 363   EXPECT_EQ(expected_sent_message_port_id, port_id);
 364 }
 365
 366 void CheckMessagePortMsgMessage(MockRendererProcessHost* renderer_host,
 367                                 int expected_msg_route_id,
 368                                 std::string expected_data) {
 369   scoped_ptr<IPC::Message> msg(renderer_host->PopMessage());
 370   EXPECT_EQ(MessagePortMsg_Message::ID, msg->type());
 371   EXPECT_EQ(expected_msg_route_id, msg->routing_id());
 372   MessagePortMsg_Message::Param params;
 373   EXPECT_TRUE(MessagePortMsg_Message::Read(msg.get(), &params));
 374   base::string16 data = get<0>(params).message_as_string;
 375   EXPECT_EQ(base::ASCIIToUTF16(expected_data), data);
 376 }
 377
 378 void CheckViewMsgWorkerConnected(MockRendererProcessHost* renderer_host,
 379                                  MockSharedWorkerConnector* connector) {
 380   scoped_ptr<IPC::Message> msg(renderer_host->PopMessage());
 381   EXPECT_EQ(ViewMsg_WorkerConnected::ID, msg->type());
 382   EXPECT_EQ(connector->route_id(), msg->routing_id());
 383 }
 384
 385 }  // namespace
 386
 387 TEST_F(SharedWorkerServiceImplTest, BasicTest) {
 388   scoped_ptr<MockRendererProcessHost> renderer_host(
 389       new MockRendererProcessHost(kProcessIDs[0],
 390                                   browser_context_->GetResourceContext(),
 391                                   *partition_.get()));
 392   scoped_ptr<MockSharedWorkerConnector> connector(
 393       new MockSharedWorkerConnector(renderer_host.get()));
 394   int worker_route_id;
 395   int worker_msg_port_route_id;
 396
 397   // SharedWorkerConnector creates two message ports and sends
 398   // ViewHostMsg_CreateWorker.
 399   connector->Create("http://example.com/w.js",
 400                     "name",
 401                     kDocumentIDs[0],
 402                     kRenderFrameRouteIDs[0]);
 403   // We need to go to UI thread to call ReserveRenderProcessOnUI().
 404   RunAllPendingInMessageLoop();
 405   EXPECT_EQ(2U, renderer_host->QueuedMessageCount());
 406   // WorkerProcessMsg_CreateWorker should be sent to the renderer in which
 407   // SharedWorker will be created.
 408   CheckWorkerProcessMsgCreateWorker(renderer_host.get(),
 409                                     "http://example.com/w.js",
 410                                     "name",
 411                                     blink::WebContentSecurityPolicyTypeReport,
 412                                     &worker_route_id);
 413   // ViewMsg_WorkerCreated(1) should be sent back to SharedWorkerConnector side.
 414   CheckViewMsgWorkerCreated(renderer_host.get(), connector.get());
 415
 416   // SharedWorkerConnector side sends MessagePortHostMsg_QueueMessages in
 417   // WebSharedWorkerProxy::connect.
 418   connector->SendQueueMessages();
 419   EXPECT_EQ(1U, renderer_host->QueuedMessageCount());
 420   // MessagePortMsg_MessagesQueued(2) should be sent back to
 421   // SharedWorkerConnector side.
 422   CheckMessagePortMsgMessagesQueued(renderer_host.get(), connector.get());
 423
 424   // When SharedWorkerConnector receives ViewMsg_WorkerCreated(1), it sends
 425   // WorkerMsg_Connect wrapped in ViewHostMsg_ForwardToWorker.
 426   connector->SendConnect();
 427   EXPECT_EQ(1U, renderer_host->QueuedMessageCount());
 428   // WorkerMsg_Connect should be sent to SharedWorker side.
 429   CheckWorkerMsgConnect(renderer_host.get(),
 430                         worker_route_id,
 431                         connector->remote_port_id(),
 432                         &worker_msg_port_route_id);
 433
 434   // When SharedWorkerConnector receives MessagePortMsg_MessagesQueued(2), it
 435   // sends MessagePortHostMsg_SendQueuedMessages.
 436   std::vector<QueuedMessage> empty_messages;
 437   connector->SendSendQueuedMessages(empty_messages);
 438   EXPECT_EQ(0U, renderer_host->QueuedMessageCount());
 439
 440   // SharedWorker sends WorkerHostMsg_WorkerReadyForInspection in
 441   // EmbeddedSharedWorkerStub::WorkerReadyForInspection().
 442   EXPECT_TRUE(renderer_host->OnMessageReceived(
 443       new WorkerHostMsg_WorkerReadyForInspection(worker_route_id)));
 444   EXPECT_EQ(0U, renderer_host->QueuedMessageCount());
 445
 446   // SharedWorker sends WorkerHostMsg_WorkerScriptLoaded in
 447   // EmbeddedSharedWorkerStub::workerScriptLoaded().
 448   EXPECT_TRUE(renderer_host->OnMessageReceived(
 449       new WorkerHostMsg_WorkerScriptLoaded(worker_route_id)));
 450   EXPECT_EQ(0U, renderer_host->QueuedMessageCount());
 451
 452   // SharedWorker sends WorkerHostMsg_WorkerConnected in
 453   // EmbeddedSharedWorkerStub::workerScriptLoaded().
 454   EXPECT_TRUE(
 455       renderer_host->OnMessageReceived(new WorkerHostMsg_WorkerConnected(
 456           connector->remote_port_id(), worker_route_id)));
 457   EXPECT_EQ(1U, renderer_host->QueuedMessageCount());
 458   // ViewMsg_WorkerConnected should be sent to SharedWorkerConnector side.
 459   CheckViewMsgWorkerConnected(renderer_host.get(), connector.get());
 460
 461   // When SharedWorkerConnector side sends MessagePortHostMsg_PostMessage,
 462   // SharedWorker side shuold receive MessagePortMsg_Message.
 463   connector->SendPostMessage("test1");
 464   EXPECT_EQ(1U, renderer_host->QueuedMessageCount());
 465   CheckMessagePortMsgMessage(
 466       renderer_host.get(), worker_msg_port_route_id, "test1");
 467
 468   // When SharedWorker side sends MessagePortHostMsg_PostMessage,
 469   // SharedWorkerConnector side shuold receive MessagePortMsg_Message.
 470   const std::vector<TransferredMessagePort> empty_ports;
 471   EXPECT_TRUE(
 472       renderer_host->OnMessageReceived(new MessagePortHostMsg_PostMessage(
 473           connector->remote_port_id(),
 474           MessagePortMessage(base::ASCIIToUTF16("test2")), empty_ports)));
 475   EXPECT_EQ(1U, renderer_host->QueuedMessageCount());
 476   CheckMessagePortMsgMessage(
 477       renderer_host.get(), connector->local_port_route_id(), "test2");
 478
 479   // UpdateWorkerDependency should not be called.
 480   EXPECT_EQ(0, s_update_worker_dependency_call_count_);
 481 }
 482
 483 TEST_F(SharedWorkerServiceImplTest, TwoRendererTest) {
 484   // The first renderer host.
 485   scoped_ptr<MockRendererProcessHost> renderer_host0(
 486       new MockRendererProcessHost(kProcessIDs[0],
 487                                   browser_context_->GetResourceContext(),
 488                                   *partition_.get()));
 489   scoped_ptr<MockSharedWorkerConnector> connector0(
 490       new MockSharedWorkerConnector(renderer_host0.get()));
 491   int worker_route_id;
 492   int worker_msg_port_route_id1;
 493
 494   // SharedWorkerConnector creates two message ports and sends
 495   // ViewHostMsg_CreateWorker.
 496   connector0->Create("http://example.com/w.js",
 497                      "name",
 498                      kDocumentIDs[0],
 499                      kRenderFrameRouteIDs[0]);
 500   // We need to go to UI thread to call ReserveRenderProcessOnUI().
 501   RunAllPendingInMessageLoop();
 502   EXPECT_EQ(2U, renderer_host0->QueuedMessageCount());
 503   // WorkerProcessMsg_CreateWorker should be sent to the renderer in which
 504   // SharedWorker will be created.
 505   CheckWorkerProcessMsgCreateWorker(renderer_host0.get(),
 506                                     "http://example.com/w.js",
 507                                     "name",
 508                                     blink::WebContentSecurityPolicyTypeReport,
 509                                     &worker_route_id);
 510   // ViewMsg_WorkerCreated(1) should be sent back to SharedWorkerConnector side.
 511   CheckViewMsgWorkerCreated(renderer_host0.get(), connector0.get());
 512
 513   // SharedWorkerConnector side sends MessagePortHostMsg_QueueMessages in
 514   // WebSharedWorkerProxy::connect.
 515   connector0->SendQueueMessages();
 516   EXPECT_EQ(1U, renderer_host0->QueuedMessageCount());
 517   // MessagePortMsg_MessagesQueued(2) should be sent back to
 518   // SharedWorkerConnector side.
 519   CheckMessagePortMsgMessagesQueued(renderer_host0.get(), connector0.get());
 520
 521   // When SharedWorkerConnector receives ViewMsg_WorkerCreated(1), it sends
 522   // WorkerMsg_Connect wrapped in ViewHostMsg_ForwardToWorker.
 523   connector0->SendConnect();
 524   EXPECT_EQ(1U, renderer_host0->QueuedMessageCount());
 525   // WorkerMsg_Connect should be sent to SharedWorker side.
 526   CheckWorkerMsgConnect(renderer_host0.get(),
 527                         worker_route_id,
 528                         connector0->remote_port_id(),
 529                         &worker_msg_port_route_id1);
 530
 531   // When SharedWorkerConnector receives MessagePortMsg_MessagesQueued(2), it
 532   // sends MessagePortHostMsg_SendQueuedMessages.
 533   std::vector<QueuedMessage> empty_messages;
 534   connector0->SendSendQueuedMessages(empty_messages);
 535   EXPECT_EQ(0U, renderer_host0->QueuedMessageCount());
 536
 537   // SharedWorker sends WorkerHostMsg_WorkerReadyForInspection in
 538   // EmbeddedSharedWorkerStub::WorkerReadyForInspection().
 539   EXPECT_TRUE(renderer_host0->OnMessageReceived(
 540       new WorkerHostMsg_WorkerReadyForInspection(worker_route_id)));
 541   EXPECT_EQ(0U, renderer_host0->QueuedMessageCount());
 542
 543   // SharedWorker sends WorkerHostMsg_WorkerScriptLoaded in
 544   // EmbeddedSharedWorkerStub::workerScriptLoaded().
 545   EXPECT_TRUE(renderer_host0->OnMessageReceived(
 546       new WorkerHostMsg_WorkerScriptLoaded(worker_route_id)));
 547   EXPECT_EQ(0U, renderer_host0->QueuedMessageCount());
 548
 549   // SharedWorker sends WorkerHostMsg_WorkerConnected in
 550   // EmbeddedSharedWorkerStub::workerScriptLoaded().
 551   EXPECT_TRUE(
 552       renderer_host0->OnMessageReceived(new WorkerHostMsg_WorkerConnected(
 553           connector0->remote_port_id(), worker_route_id)));
 554   EXPECT_EQ(1U, renderer_host0->QueuedMessageCount());
 555   // ViewMsg_WorkerConnected should be sent to SharedWorkerConnector side.
 556   CheckViewMsgWorkerConnected(renderer_host0.get(), connector0.get());
 557
 558   // When SharedWorkerConnector side sends MessagePortHostMsg_PostMessage,
 559   // SharedWorker side shuold receive MessagePortMsg_Message.
 560   connector0->SendPostMessage("test1");
 561   EXPECT_EQ(1U, renderer_host0->QueuedMessageCount());
 562   CheckMessagePortMsgMessage(
 563       renderer_host0.get(), worker_msg_port_route_id1, "test1");
 564
 565   // When SharedWorker side sends MessagePortHostMsg_PostMessage,
 566   // SharedWorkerConnector side shuold receive MessagePortMsg_Message.
 567   const std::vector<TransferredMessagePort> empty_ports;
 568   EXPECT_TRUE(
 569       renderer_host0->OnMessageReceived(new MessagePortHostMsg_PostMessage(
 570           connector0->remote_port_id(),
 571           MessagePortMessage(base::ASCIIToUTF16("test2")), empty_ports)));
 572   EXPECT_EQ(1U, renderer_host0->QueuedMessageCount());
 573   CheckMessagePortMsgMessage(
 574       renderer_host0.get(), connector0->local_port_route_id(), "test2");
 575
 576   // The second renderer host.
 577   scoped_ptr<MockRendererProcessHost> renderer_host1(
 578       new MockRendererProcessHost(kProcessIDs[1],
 579                                   browser_context_->GetResourceContext(),
 580                                   *partition_.get()));
 581   scoped_ptr<MockSharedWorkerConnector> connector1(
 582       new MockSharedWorkerConnector(renderer_host1.get()));
 583   int worker_msg_port_route_id2;
 584
 585   // UpdateWorkerDependency should not be called yet.
 586   EXPECT_EQ(0, s_update_worker_dependency_call_count_);
 587
 588   // SharedWorkerConnector creates two message ports and sends
 589   // ViewHostMsg_CreateWorker.
 590   connector1->Create("http://example.com/w.js",
 591                      "name",
 592                      kDocumentIDs[1],
 593                      kRenderFrameRouteIDs[1]);
 594   // We need to go to UI thread to call ReserveRenderProcessOnUI().
 595   RunAllPendingInMessageLoop();
 596   EXPECT_EQ(1U, renderer_host1->QueuedMessageCount());
 597   // ViewMsg_WorkerCreated(3) should be sent back to SharedWorkerConnector side.
 598   CheckViewMsgWorkerCreated(renderer_host1.get(), connector1.get());
 599
 600   // UpdateWorkerDependency should be called.
 601   EXPECT_EQ(1, s_update_worker_dependency_call_count_);
 602   EXPECT_EQ(1U, s_worker_dependency_added_ids_.size());
 603   EXPECT_EQ(kProcessIDs[0], s_worker_dependency_added_ids_[0]);
 604   EXPECT_EQ(0U, s_worker_dependency_removed_ids_.size());
 605
 606   // SharedWorkerConnector side sends MessagePortHostMsg_QueueMessages in
 607   // WebSharedWorkerProxy::connect.
 608   connector1->SendQueueMessages();
 609   EXPECT_EQ(1U, renderer_host1->QueuedMessageCount());
 610   // MessagePortMsg_MessagesQueued(4) should be sent back to
 611   // SharedWorkerConnector side.
 612   CheckMessagePortMsgMessagesQueued(renderer_host1.get(), connector1.get());
 613
 614   // When SharedWorkerConnector receives ViewMsg_WorkerCreated(3), it sends
 615   // WorkerMsg_Connect wrapped in ViewHostMsg_ForwardToWorker.
 616   connector1->SendConnect();
 617   EXPECT_EQ(1U, renderer_host0->QueuedMessageCount());
 618   // WorkerMsg_Connect should be sent to SharedWorker side.
 619   CheckWorkerMsgConnect(renderer_host0.get(),
 620                         worker_route_id,
 621                         connector1->remote_port_id(),
 622                         &worker_msg_port_route_id2);
 623
 624   // When SharedWorkerConnector receives MessagePortMsg_MessagesQueued(4), it
 625   // sends MessagePortHostMsg_SendQueuedMessages.
 626   connector1->SendSendQueuedMessages(empty_messages);
 627   EXPECT_EQ(0U, renderer_host1->QueuedMessageCount());
 628
 629   // SharedWorker sends WorkerHostMsg_WorkerConnected in
 630   // EmbeddedSharedWorkerStub::OnConnect().
 631   EXPECT_TRUE(
 632       renderer_host0->OnMessageReceived(new WorkerHostMsg_WorkerConnected(
 633           connector1->remote_port_id(), worker_route_id)));
 634   EXPECT_EQ(1U, renderer_host1->QueuedMessageCount());
 635   // ViewMsg_WorkerConnected should be sent to SharedWorkerConnector side.
 636   CheckViewMsgWorkerConnected(renderer_host1.get(), connector1.get());
 637
 638   // When SharedWorkerConnector side sends MessagePortHostMsg_PostMessage,
 639   // SharedWorker side shuold receive MessagePortMsg_Message.
 640   connector1->SendPostMessage("test3");
 641   EXPECT_EQ(1U, renderer_host0->QueuedMessageCount());
 642   CheckMessagePortMsgMessage(
 643       renderer_host0.get(), worker_msg_port_route_id2, "test3");
 644
 645   // When SharedWorker side sends MessagePortHostMsg_PostMessage,
 646   // SharedWorkerConnector side shuold receive MessagePortMsg_Message.
 647   EXPECT_TRUE(
 648       renderer_host0->OnMessageReceived(new MessagePortHostMsg_PostMessage(
 649           connector1->remote_port_id(),
 650           MessagePortMessage(base::ASCIIToUTF16("test4")), empty_ports)));
 651   EXPECT_EQ(1U, renderer_host1->QueuedMessageCount());
 652   CheckMessagePortMsgMessage(
 653       renderer_host1.get(), connector1->local_port_route_id(), "test4");
 654
 655   EXPECT_EQ(1, s_update_worker_dependency_call_count_);
 656   renderer_host1.reset();
 657   // UpdateWorkerDependency should be called.
 658   EXPECT_EQ(2, s_update_worker_dependency_call_count_);
 659   EXPECT_EQ(0U, s_worker_dependency_added_ids_.size());
 660   EXPECT_EQ(1U, s_worker_dependency_removed_ids_.size());
 661   EXPECT_EQ(kProcessIDs[0], s_worker_dependency_removed_ids_[0]);
 662 }
 663
 664 TEST_F(SharedWorkerServiceImplTest, CreateWorkerTest) {
 665   // The first renderer host.
 666   scoped_ptr<MockRendererProcessHost> renderer_host0(
 667       new MockRendererProcessHost(kProcessIDs[0],
 668                                   browser_context_->GetResourceContext(),
 669                                   *partition_.get()));
 670   // The second renderer host.
 671   scoped_ptr<MockRendererProcessHost> renderer_host1(
 672       new MockRendererProcessHost(kProcessIDs[1],
 673                                   browser_context_->GetResourceContext(),
 674                                   *partition_.get()));
 675   int worker_route_id;
 676
 677   // Normal case.
 678   {
 679     scoped_ptr<MockSharedWorkerConnector> connector0(
 680         new MockSharedWorkerConnector(renderer_host0.get()));
 681     scoped_ptr<MockSharedWorkerConnector> connector1(
 682         new MockSharedWorkerConnector(renderer_host1.get()));
 683     connector0->Create("http://example.com/w1.js",
 684                        "name1",
 685                        kDocumentIDs[0],
 686                        kRenderFrameRouteIDs[0]);
 687     EXPECT_NE(MSG_ROUTING_NONE, connector0->route_id());
 688     EXPECT_EQ(0U, renderer_host0->QueuedMessageCount());
 689     RunAllPendingInMessageLoop();
 690     EXPECT_EQ(2U, renderer_host0->QueuedMessageCount());
 691     CheckWorkerProcessMsgCreateWorker(renderer_host0.get(),
 692                                       "http://example.com/w1.js",
 693                                       "name1",
 694                                       blink::WebContentSecurityPolicyTypeReport,
 695                                       &worker_route_id);
 696     CheckViewMsgWorkerCreated(renderer_host0.get(), connector0.get());
 697     connector1->Create("http://example.com/w1.js",
 698                        "name1",
 699                        kDocumentIDs[1],
 700                        kRenderFrameRouteIDs[1]);
 701     EXPECT_NE(MSG_ROUTING_NONE, connector1->route_id());
 702     EXPECT_EQ(0U, renderer_host1->QueuedMessageCount());
 703     RunAllPendingInMessageLoop();
 704     EXPECT_EQ(1U, renderer_host1->QueuedMessageCount());
 705     CheckViewMsgWorkerCreated(renderer_host1.get(), connector1.get());
 706   }
 707
 708   // Normal case (URL mismatch).
 709   {
 710     scoped_ptr<MockSharedWorkerConnector> connector0(
 711         new MockSharedWorkerConnector(renderer_host0.get()));
 712     scoped_ptr<MockSharedWorkerConnector> connector1(
 713         new MockSharedWorkerConnector(renderer_host1.get()));
 714     connector0->Create("http://example.com/w2.js",
 715                        "name2",
 716                        kDocumentIDs[0],
 717                        kRenderFrameRouteIDs[0]);
 718     EXPECT_NE(MSG_ROUTING_NONE, connector0->route_id());
 719     EXPECT_EQ(0U, renderer_host0->QueuedMessageCount());
 720     RunAllPendingInMessageLoop();
 721     EXPECT_EQ(2U, renderer_host0->QueuedMessageCount());
 722     CheckWorkerProcessMsgCreateWorker(renderer_host0.get(),
 723                                       "http://example.com/w2.js",
 724                                       "name2",
 725                                       blink::WebContentSecurityPolicyTypeReport,
 726                                       &worker_route_id);
 727     CheckViewMsgWorkerCreated(renderer_host0.get(), connector0.get());
 728     connector1->Create("http://example.com/w2x.js",
 729                        "name2",
 730                        kDocumentIDs[1],
 731                        kRenderFrameRouteIDs[1]);
 732     EXPECT_EQ(MSG_ROUTING_NONE, connector1->route_id());
 733     EXPECT_EQ(0U, renderer_host1->QueuedMessageCount());
 734     RunAllPendingInMessageLoop();
 735     EXPECT_EQ(0U, renderer_host1->QueuedMessageCount());
 736   }
 737
 738   // Pending case.
 739   {
 740     scoped_ptr<MockSharedWorkerConnector> connector0(
 741         new MockSharedWorkerConnector(renderer_host0.get()));
 742     scoped_ptr<MockSharedWorkerConnector> connector1(
 743         new MockSharedWorkerConnector(renderer_host1.get()));
 744     connector0->Create("http://example.com/w3.js",
 745                        "name3",
 746                        kDocumentIDs[0],
 747                        kRenderFrameRouteIDs[0]);
 748     EXPECT_NE(MSG_ROUTING_NONE, connector0->route_id());
 749     EXPECT_EQ(0U, renderer_host0->QueuedMessageCount());
 750     connector1->Create("http://example.com/w3.js",
 751                        "name3",
 752                        kDocumentIDs[1],
 753                        kRenderFrameRouteIDs[1]);
 754     EXPECT_NE(MSG_ROUTING_NONE, connector1->route_id());
 755     EXPECT_EQ(0U, renderer_host1->QueuedMessageCount());
 756     RunAllPendingInMessageLoop();
 757     EXPECT_EQ(2U, renderer_host0->QueuedMessageCount());
 758     CheckWorkerProcessMsgCreateWorker(renderer_host0.get(),
 759                                       "http://example.com/w3.js",
 760                                       "name3",
 761                                       blink::WebContentSecurityPolicyTypeReport,
 762                                       &worker_route_id);
 763     CheckViewMsgWorkerCreated(renderer_host0.get(), connector0.get());
 764     EXPECT_EQ(1U, renderer_host1->QueuedMessageCount());
 765     CheckViewMsgWorkerCreated(renderer_host1.get(), connector1.get());
 766   }
 767
 768   // Pending case (URL mismatch).
 769   {
 770     scoped_ptr<MockSharedWorkerConnector> connector0(
 771         new MockSharedWorkerConnector(renderer_host0.get()));
 772     scoped_ptr<MockSharedWorkerConnector> connector1(
 773         new MockSharedWorkerConnector(renderer_host1.get()));
 774     connector0->Create("http://example.com/w4.js",
 775                        "name4",
 776                        kDocumentIDs[0],
 777                        kRenderFrameRouteIDs[0]);
 778     EXPECT_NE(MSG_ROUTING_NONE, connector0->route_id());
 779     EXPECT_EQ(0U, renderer_host0->QueuedMessageCount());
 780     connector1->Create("http://example.com/w4x.js",
 781                        "name4",
 782                        kDocumentIDs[1],
 783                        kRenderFrameRouteIDs[1]);
 784     EXPECT_EQ(MSG_ROUTING_NONE, connector1->route_id());
 785     EXPECT_EQ(0U, renderer_host1->QueuedMessageCount());
 786     RunAllPendingInMessageLoop();
 787     EXPECT_EQ(2U, renderer_host0->QueuedMessageCount());
 788     CheckWorkerProcessMsgCreateWorker(renderer_host0.get(),
 789                                       "http://example.com/w4.js",
 790                                       "name4",
 791                                       blink::WebContentSecurityPolicyTypeReport,
 792                                       &worker_route_id);
 793     CheckViewMsgWorkerCreated(renderer_host0.get(), connector0.get());
 794     EXPECT_EQ(0U, renderer_host1->QueuedMessageCount());
 795   }
 796 }
 797
 798 TEST_F(SharedWorkerServiceImplTest, CreateWorkerRaceTest) {
 799   // Create three renderer hosts.
 800   scoped_ptr<MockRendererProcessHost> renderer_host0(
 801       new MockRendererProcessHost(kProcessIDs[0],
 802                                   browser_context_->GetResourceContext(),
 803                                   *partition_.get()));
 804   scoped_ptr<MockRendererProcessHost> renderer_host1(
 805       new MockRendererProcessHost(kProcessIDs[1],
 806                                   browser_context_->GetResourceContext(),
 807                                   *partition_.get()));
 808   scoped_ptr<MockRendererProcessHost> renderer_host2(
 809       new MockRendererProcessHost(kProcessIDs[2],
 810                                   browser_context_->GetResourceContext(),
 811                                   *partition_.get()));
 812   int worker_route_id;
 813
 814   scoped_ptr<MockSharedWorkerConnector> connector0(
 815       new MockSharedWorkerConnector(renderer_host0.get()));
 816   scoped_ptr<MockSharedWorkerConnector> connector1(
 817       new MockSharedWorkerConnector(renderer_host1.get()));
 818   scoped_ptr<MockSharedWorkerConnector> connector2(
 819       new MockSharedWorkerConnector(renderer_host2.get()));
 820   connector0->Create("http://example.com/w1.js",
 821                      "name1",
 822                      kDocumentIDs[0],
 823                      kRenderFrameRouteIDs[0]);
 824   EXPECT_NE(MSG_ROUTING_NONE, connector0->route_id());
 825   EXPECT_EQ(0U, renderer_host0->QueuedMessageCount());
 826   RunAllPendingInMessageLoop();
 827   EXPECT_EQ(2U, renderer_host0->QueuedMessageCount());
 828   CheckWorkerProcessMsgCreateWorker(renderer_host0.get(),
 829                                     "http://example.com/w1.js",
 830                                     "name1",
 831                                     blink::WebContentSecurityPolicyTypeReport,
 832                                     &worker_route_id);
 833   CheckViewMsgWorkerCreated(renderer_host0.get(), connector0.get());
 834   renderer_host0->FastShutdownIfPossible();
 835
 836   connector1->Create("http://example.com/w1.js",
 837                      "name1",
 838                      kDocumentIDs[1],
 839                      kRenderFrameRouteIDs[1]);
 840   EXPECT_NE(MSG_ROUTING_NONE, connector1->route_id());
 841   EXPECT_EQ(0U, renderer_host1->QueuedMessageCount());
 842   RunAllPendingInMessageLoop();
 843   EXPECT_EQ(2U, renderer_host1->QueuedMessageCount());
 844   CheckWorkerProcessMsgCreateWorker(renderer_host1.get(),
 845                                     "http://example.com/w1.js",
 846                                     "name1",
 847                                     blink::WebContentSecurityPolicyTypeReport,
 848                                     &worker_route_id);
 849   CheckViewMsgWorkerCreated(renderer_host1.get(), connector1.get());
 850
 851   connector2->Create("http://example.com/w1.js",
 852                      "name1",
 853                      kDocumentIDs[2],
 854                      kRenderFrameRouteIDs[2]);
 855   EXPECT_NE(MSG_ROUTING_NONE, connector2->route_id());
 856   EXPECT_EQ(0U, renderer_host2->QueuedMessageCount());
 857   RunAllPendingInMessageLoop();
 858   EXPECT_EQ(1U, renderer_host2->QueuedMessageCount());
 859   CheckViewMsgWorkerCreated(renderer_host2.get(), connector2.get());
 860 }
 861
 862 TEST_F(SharedWorkerServiceImplTest, CreateWorkerRaceTest2) {
 863   // Create three renderer hosts.
 864   scoped_ptr<MockRendererProcessHost> renderer_host0(
 865       new MockRendererProcessHost(kProcessIDs[0],
 866                                   browser_context_->GetResourceContext(),
 867                                   *partition_.get()));
 868   scoped_ptr<MockRendererProcessHost> renderer_host1(
 869       new MockRendererProcessHost(kProcessIDs[1],
 870                                   browser_context_->GetResourceContext(),
 871                                   *partition_.get()));
 872   scoped_ptr<MockRendererProcessHost> renderer_host2(
 873       new MockRendererProcessHost(kProcessIDs[2],
 874                                   browser_context_->GetResourceContext(),
 875                                   *partition_.get()));
 876   int worker_route_id;
 877
 878   scoped_ptr<MockSharedWorkerConnector> connector0(
 879       new MockSharedWorkerConnector(renderer_host0.get()));
 880   scoped_ptr<MockSharedWorkerConnector> connector1(
 881       new MockSharedWorkerConnector(renderer_host1.get()));
 882   scoped_ptr<MockSharedWorkerConnector> connector2(
 883       new MockSharedWorkerConnector(renderer_host2.get()));
 884   connector0->Create("http://example.com/w1.js",
 885                      "name1",
 886                      kDocumentIDs[0],
 887                      kRenderFrameRouteIDs[0]);
 888   EXPECT_NE(MSG_ROUTING_NONE, connector0->route_id());
 889   EXPECT_EQ(0U, renderer_host0->QueuedMessageCount());
 890   renderer_host0->FastShutdownIfPossible();
 891
 892   connector1->Create("http://example.com/w1.js",
 893                      "name1",
 894                      kDocumentIDs[1],
 895                      kRenderFrameRouteIDs[1]);
 896   EXPECT_NE(MSG_ROUTING_NONE, connector1->route_id());
 897   EXPECT_EQ(0U, renderer_host1->QueuedMessageCount());
 898   RunAllPendingInMessageLoop();
 899   EXPECT_EQ(2U, renderer_host1->QueuedMessageCount());
 900   CheckWorkerProcessMsgCreateWorker(renderer_host1.get(),
 901                                     "http://example.com/w1.js",
 902                                     "name1",
 903                                     blink::WebContentSecurityPolicyTypeReport,
 904                                     &worker_route_id);
 905   CheckViewMsgWorkerCreated(renderer_host1.get(), connector1.get());
 906
 907   connector2->Create("http://example.com/w1.js",
 908                      "name1",
 909                      kDocumentIDs[2],
 910                      kRenderFrameRouteIDs[2]);
 911   EXPECT_NE(MSG_ROUTING_NONE, connector2->route_id());
 912   EXPECT_EQ(0U, renderer_host2->QueuedMessageCount());
 913   RunAllPendingInMessageLoop();
 914   EXPECT_EQ(1U, renderer_host2->QueuedMessageCount());
 915   CheckViewMsgWorkerCreated(renderer_host2.get(), connector2.get());
 916 }
 917
 918 }  // namespace content