webkit/browser/appcache/appcache_host_unittest.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "base/bind.h"
   6 #include "base/bind_helpers.h"
   7 #include "base/memory/scoped_ptr.h"
   8 #include "base/message_loop/message_loop.h"
   9 #include "net/url_request/url_request.h"
  10 #include "testing/gtest/include/gtest/gtest.h"
  11 #include "webkit/browser/appcache/appcache.h"
  12 #include "webkit/browser/appcache/appcache_backend_impl.h"
  13 #include "webkit/browser/appcache/appcache_group.h"
  14 #include "webkit/browser/appcache/appcache_host.h"
  15 #include "webkit/browser/appcache/mock_appcache_policy.h"
  16 #include "webkit/browser/appcache/mock_appcache_service.h"
  17 #include "webkit/browser/quota/quota_manager.h"
  18
  19 namespace appcache {
  20
  21 class AppCacheHostTest : public testing::Test {
  22  public:
  23   AppCacheHostTest() {
  24     get_status_callback_ =
  25         base::Bind(&AppCacheHostTest::GetStatusCallback,
  26                    base::Unretained(this));
  27     start_update_callback_ =
  28         base::Bind(&AppCacheHostTest::StartUpdateCallback,
  29                    base::Unretained(this));
  30     swap_cache_callback_ =
  31         base::Bind(&AppCacheHostTest::SwapCacheCallback,
  32                    base::Unretained(this));
  33   }
  34
  35   class MockFrontend : public AppCacheFrontend {
  36    public:
  37     MockFrontend()
  38         : last_host_id_(-222), last_cache_id_(-222),
  39           last_status_(appcache::OBSOLETE),
  40           last_status_changed_(appcache::OBSOLETE),
  41           last_event_id_(appcache::OBSOLETE_EVENT),
  42           content_blocked_(false) {
  43     }
  44
  45     virtual void OnCacheSelected(
  46         int host_id, const appcache::AppCacheInfo& info) OVERRIDE {
  47       last_host_id_ = host_id;
  48       last_cache_id_ = info.cache_id;
  49       last_status_ = info.status;
  50     }
  51
  52     virtual void OnStatusChanged(const std::vector<int>& host_ids,
  53                                  appcache::Status status) OVERRIDE {
  54       last_status_changed_ = status;
  55     }
  56
  57     virtual void OnEventRaised(const std::vector<int>& host_ids,
  58                                appcache::EventID event_id) OVERRIDE {
  59       last_event_id_ = event_id;
  60     }
  61
  62     virtual void OnErrorEventRaised(const std::vector<int>& host_ids,
  63                                     const std::string& message) OVERRIDE {
  64       last_event_id_ = ERROR_EVENT;
  65     }
  66
  67     virtual void OnProgressEventRaised(const std::vector<int>& host_ids,
  68                                        const GURL& url,
  69                                        int num_total,
  70                                        int num_complete) OVERRIDE {
  71       last_event_id_ = PROGRESS_EVENT;
  72     }
  73
  74     virtual void OnLogMessage(int host_id,
  75                               appcache::LogLevel log_level,
  76                               const std::string& message) OVERRIDE {
  77     }
  78
  79     virtual void OnContentBlocked(int host_id,
  80                                   const GURL& manifest_url) OVERRIDE {
  81       content_blocked_ = true;
  82     }
  83
  84     int last_host_id_;
  85     int64 last_cache_id_;
  86     appcache::Status last_status_;
  87     appcache::Status last_status_changed_;
  88     appcache::EventID last_event_id_;
  89     bool content_blocked_;
  90   };
  91
  92   class MockQuotaManagerProxy : public quota::QuotaManagerProxy {
  93    public:
  94     MockQuotaManagerProxy() : QuotaManagerProxy(NULL, NULL) {}
  95
  96     // Not needed for our tests.
  97     virtual void RegisterClient(quota::QuotaClient* client) OVERRIDE {}
  98     virtual void NotifyStorageAccessed(quota::QuotaClient::ID client_id,
  99                                        const GURL& origin,
 100                                        quota::StorageType type) OVERRIDE {}
 101     virtual void NotifyStorageModified(quota::QuotaClient::ID client_id,
 102                                        const GURL& origin,
 103                                        quota::StorageType type,
 104                                        int64 delta) OVERRIDE {}
 105
 106     virtual void NotifyOriginInUse(const GURL& origin) OVERRIDE {
 107       inuse_[origin] += 1;
 108     }
 109
 110     virtual void NotifyOriginNoLongerInUse(const GURL& origin) OVERRIDE {
 111       inuse_[origin] -= 1;
 112     }
 113
 114     int GetInUseCount(const GURL& origin) {
 115       return inuse_[origin];
 116     }
 117
 118     void reset() {
 119       inuse_.clear();
 120     }
 121
 122     // Map from origin to count of inuse notifications.
 123     std::map<GURL, int> inuse_;
 124
 125    protected:
 126     virtual ~MockQuotaManagerProxy() {}
 127   };
 128
 129   void GetStatusCallback(Status status, void* param) {
 130     last_status_result_ = status;
 131     last_callback_param_ = param;
 132   }
 133
 134   void StartUpdateCallback(bool result, void* param) {
 135     last_start_result_ = result;
 136     last_callback_param_ = param;
 137   }
 138
 139   void SwapCacheCallback(bool result, void* param) {
 140     last_swap_result_ = result;
 141     last_callback_param_ = param;
 142   }
 143
 144   base::MessageLoop message_loop_;
 145
 146   // Mock classes for the 'host' to work with
 147   MockAppCacheService service_;
 148   MockFrontend mock_frontend_;
 149
 150   // Mock callbacks we expect to receive from the 'host'
 151   appcache::GetStatusCallback get_status_callback_;
 152   appcache::StartUpdateCallback start_update_callback_;
 153   appcache::SwapCacheCallback swap_cache_callback_;
 154
 155   Status last_status_result_;
 156   bool last_swap_result_;
 157   bool last_start_result_;
 158   void* last_callback_param_;
 159 };
 160
 161 TEST_F(AppCacheHostTest, Basic) {
 162   // Construct a host and test what state it appears to be in.
 163   AppCacheHost host(1, &mock_frontend_, &service_);
 164   EXPECT_EQ(1, host.host_id());
 165   EXPECT_EQ(&service_, host.service());
 166   EXPECT_EQ(&mock_frontend_, host.frontend());
 167   EXPECT_EQ(NULL, host.associated_cache());
 168   EXPECT_FALSE(host.is_selection_pending());
 169
 170   // See that the callbacks are delivered immediately
 171   // and respond as if there is no cache selected.
 172   last_status_result_ = OBSOLETE;
 173   host.GetStatusWithCallback(get_status_callback_, reinterpret_cast<void*>(1));
 174   EXPECT_EQ(UNCACHED, last_status_result_);
 175   EXPECT_EQ(reinterpret_cast<void*>(1), last_callback_param_);
 176
 177   last_start_result_ = true;
 178   host.StartUpdateWithCallback(start_update_callback_,
 179                                reinterpret_cast<void*>(2));
 180   EXPECT_FALSE(last_start_result_);
 181   EXPECT_EQ(reinterpret_cast<void*>(2), last_callback_param_);
 182
 183   last_swap_result_ = true;
 184   host.SwapCacheWithCallback(swap_cache_callback_, reinterpret_cast<void*>(3));
 185   EXPECT_FALSE(last_swap_result_);
 186   EXPECT_EQ(reinterpret_cast<void*>(3), last_callback_param_);
 187 }
 188
 189 TEST_F(AppCacheHostTest, SelectNoCache) {
 190   scoped_refptr<MockQuotaManagerProxy> mock_quota_proxy(
 191       new MockQuotaManagerProxy);
 192   service_.set_quota_manager_proxy(mock_quota_proxy.get());
 193
 194   // Reset our mock frontend
 195   mock_frontend_.last_cache_id_ = -333;
 196   mock_frontend_.last_host_id_ = -333;
 197   mock_frontend_.last_status_ = OBSOLETE;
 198
 199   const GURL kDocAndOriginUrl(GURL("http://whatever/").GetOrigin());
 200   {
 201     AppCacheHost host(1, &mock_frontend_, &service_);
 202     host.SelectCache(kDocAndOriginUrl, kNoCacheId, GURL());
 203     EXPECT_EQ(1, mock_quota_proxy->GetInUseCount(kDocAndOriginUrl));
 204
 205     // We should have received an OnCacheSelected msg
 206     EXPECT_EQ(1, mock_frontend_.last_host_id_);
 207     EXPECT_EQ(kNoCacheId, mock_frontend_.last_cache_id_);
 208     EXPECT_EQ(UNCACHED, mock_frontend_.last_status_);
 209
 210     // Otherwise, see that it respond as if there is no cache selected.
 211     EXPECT_EQ(1, host.host_id());
 212     EXPECT_EQ(&service_, host.service());
 213     EXPECT_EQ(&mock_frontend_, host.frontend());
 214     EXPECT_EQ(NULL, host.associated_cache());
 215     EXPECT_FALSE(host.is_selection_pending());
 216     EXPECT_TRUE(host.preferred_manifest_url().is_empty());
 217   }
 218   EXPECT_EQ(0, mock_quota_proxy->GetInUseCount(kDocAndOriginUrl));
 219   service_.set_quota_manager_proxy(NULL);
 220 }
 221
 222 TEST_F(AppCacheHostTest, ForeignEntry) {
 223   // Reset our mock frontend
 224   mock_frontend_.last_cache_id_ = -333;
 225   mock_frontend_.last_host_id_ = -333;
 226   mock_frontend_.last_status_ = OBSOLETE;
 227
 228   // Precondition, a cache with an entry that is not marked as foreign.
 229   const int kCacheId = 22;
 230   const GURL kDocumentURL("http://origin/document");
 231   scoped_refptr<AppCache> cache = new AppCache(service_.storage(), kCacheId);
 232   cache->AddEntry(kDocumentURL, AppCacheEntry(AppCacheEntry::EXPLICIT));
 233
 234   AppCacheHost host(1, &mock_frontend_, &service_);
 235   host.MarkAsForeignEntry(kDocumentURL, kCacheId);
 236
 237   // We should have received an OnCacheSelected msg for kNoCacheId.
 238   EXPECT_EQ(1, mock_frontend_.last_host_id_);
 239   EXPECT_EQ(kNoCacheId, mock_frontend_.last_cache_id_);
 240   EXPECT_EQ(UNCACHED, mock_frontend_.last_status_);
 241
 242   // See that it respond as if there is no cache selected.
 243   EXPECT_EQ(1, host.host_id());
 244   EXPECT_EQ(&service_, host.service());
 245   EXPECT_EQ(&mock_frontend_, host.frontend());
 246   EXPECT_EQ(NULL, host.associated_cache());
 247   EXPECT_FALSE(host.is_selection_pending());
 248
 249   // See that the entry was marked as foreign.
 250   EXPECT_TRUE(cache->GetEntry(kDocumentURL)->IsForeign());
 251 }
 252
 253 TEST_F(AppCacheHostTest, ForeignFallbackEntry) {
 254   // Reset our mock frontend
 255   mock_frontend_.last_cache_id_ = -333;
 256   mock_frontend_.last_host_id_ = -333;
 257   mock_frontend_.last_status_ = OBSOLETE;
 258
 259   // Precondition, a cache with a fallback entry that is not marked as foreign.
 260   const int kCacheId = 22;
 261   const GURL kFallbackURL("http://origin/fallback_resource");
 262   scoped_refptr<AppCache> cache = new AppCache(service_.storage(), kCacheId);
 263   cache->AddEntry(kFallbackURL, AppCacheEntry(AppCacheEntry::FALLBACK));
 264
 265   AppCacheHost host(1, &mock_frontend_, &service_);
 266   host.NotifyMainResourceIsNamespaceEntry(kFallbackURL);
 267   host.MarkAsForeignEntry(GURL("http://origin/missing_document"), kCacheId);
 268
 269   // We should have received an OnCacheSelected msg for kNoCacheId.
 270   EXPECT_EQ(1, mock_frontend_.last_host_id_);
 271   EXPECT_EQ(kNoCacheId, mock_frontend_.last_cache_id_);
 272   EXPECT_EQ(UNCACHED, mock_frontend_.last_status_);
 273
 274   // See that the fallback entry was marked as foreign.
 275   EXPECT_TRUE(cache->GetEntry(kFallbackURL)->IsForeign());
 276 }
 277
 278 TEST_F(AppCacheHostTest, FailedCacheLoad) {
 279   // Reset our mock frontend
 280   mock_frontend_.last_cache_id_ = -333;
 281   mock_frontend_.last_host_id_ = -333;
 282   mock_frontend_.last_status_ = OBSOLETE;
 283
 284   AppCacheHost host(1, &mock_frontend_, &service_);
 285   EXPECT_FALSE(host.is_selection_pending());
 286
 287   const int kMockCacheId = 333;
 288
 289   // Put it in a state where we're waiting on a cache
 290   // load prior to finishing cache selection.
 291   host.pending_selected_cache_id_ = kMockCacheId;
 292   EXPECT_TRUE(host.is_selection_pending());
 293
 294   // The callback should not occur until we finish cache selection.
 295   last_status_result_ = OBSOLETE;
 296   last_callback_param_ = reinterpret_cast<void*>(-1);
 297   host.GetStatusWithCallback(get_status_callback_, reinterpret_cast<void*>(1));
 298   EXPECT_EQ(OBSOLETE, last_status_result_);
 299   EXPECT_EQ(reinterpret_cast<void*>(-1), last_callback_param_);
 300
 301   // Satisfy the load with NULL, a failure.
 302   host.OnCacheLoaded(NULL, kMockCacheId);
 303
 304   // Cache selection should have finished
 305   EXPECT_FALSE(host.is_selection_pending());
 306   EXPECT_EQ(1, mock_frontend_.last_host_id_);
 307   EXPECT_EQ(kNoCacheId, mock_frontend_.last_cache_id_);
 308   EXPECT_EQ(UNCACHED, mock_frontend_.last_status_);
 309
 310   // Callback should have fired upon completing the cache load too.
 311   EXPECT_EQ(UNCACHED, last_status_result_);
 312   EXPECT_EQ(reinterpret_cast<void*>(1), last_callback_param_);
 313 }
 314
 315 TEST_F(AppCacheHostTest, FailedGroupLoad) {
 316   AppCacheHost host(1, &mock_frontend_, &service_);
 317
 318   const GURL kMockManifestUrl("http://foo.bar/baz");
 319
 320   // Put it in a state where we're waiting on a cache
 321   // load prior to finishing cache selection.
 322   host.pending_selected_manifest_url_ = kMockManifestUrl;
 323   EXPECT_TRUE(host.is_selection_pending());
 324
 325   // The callback should not occur until we finish cache selection.
 326   last_status_result_ = OBSOLETE;
 327   last_callback_param_ = reinterpret_cast<void*>(-1);
 328   host.GetStatusWithCallback(get_status_callback_, reinterpret_cast<void*>(1));
 329   EXPECT_EQ(OBSOLETE, last_status_result_);
 330   EXPECT_EQ(reinterpret_cast<void*>(-1), last_callback_param_);
 331
 332   // Satisfy the load will NULL, a failure.
 333   host.OnGroupLoaded(NULL, kMockManifestUrl);
 334
 335   // Cache selection should have finished
 336   EXPECT_FALSE(host.is_selection_pending());
 337   EXPECT_EQ(1, mock_frontend_.last_host_id_);
 338   EXPECT_EQ(kNoCacheId, mock_frontend_.last_cache_id_);
 339   EXPECT_EQ(UNCACHED, mock_frontend_.last_status_);
 340
 341   // Callback should have fired upon completing the group load.
 342   EXPECT_EQ(UNCACHED, last_status_result_);
 343   EXPECT_EQ(reinterpret_cast<void*>(1), last_callback_param_);
 344 }
 345
 346 TEST_F(AppCacheHostTest, SetSwappableCache) {
 347   AppCacheHost host(1, &mock_frontend_, &service_);
 348   host.SetSwappableCache(NULL);
 349   EXPECT_FALSE(host.swappable_cache_.get());
 350
 351   scoped_refptr<AppCacheGroup> group1(new AppCacheGroup(
 352       service_.storage(), GURL(), service_.storage()->NewGroupId()));
 353   host.SetSwappableCache(group1.get());
 354   EXPECT_FALSE(host.swappable_cache_.get());
 355
 356   AppCache* cache1 = new AppCache(service_.storage(), 111);
 357   cache1->set_complete(true);
 358   group1->AddCache(cache1);
 359   host.SetSwappableCache(group1.get());
 360   EXPECT_EQ(cache1, host.swappable_cache_.get());
 361
 362   mock_frontend_.last_host_id_ = -222;  // to verify we received OnCacheSelected
 363
 364   host.AssociateCompleteCache(cache1);
 365   EXPECT_FALSE(host.swappable_cache_.get());  // was same as associated cache
 366   EXPECT_EQ(appcache::IDLE, host.GetStatus());
 367   // verify OnCacheSelected was called
 368   EXPECT_EQ(host.host_id(), mock_frontend_.last_host_id_);
 369   EXPECT_EQ(cache1->cache_id(), mock_frontend_.last_cache_id_);
 370   EXPECT_EQ(appcache::IDLE, mock_frontend_.last_status_);
 371
 372   AppCache* cache2 = new AppCache(service_.storage(), 222);
 373   cache2->set_complete(true);
 374   group1->AddCache(cache2);
 375   EXPECT_EQ(cache2, host.swappable_cache_.get());  // updated to newest
 376
 377   scoped_refptr<AppCacheGroup> group2(
 378       new AppCacheGroup(service_.storage(), GURL("http://foo.com"),
 379                         service_.storage()->NewGroupId()));
 380   AppCache* cache3 = new AppCache(service_.storage(), 333);
 381   cache3->set_complete(true);
 382   group2->AddCache(cache3);
 383
 384   AppCache* cache4 = new AppCache(service_.storage(), 444);
 385   cache4->set_complete(true);
 386   group2->AddCache(cache4);
 387   EXPECT_EQ(cache2, host.swappable_cache_.get());  // unchanged
 388
 389   host.AssociateCompleteCache(cache3);
 390   EXPECT_EQ(cache4, host.swappable_cache_.get());  // newest cache in group2
 391   EXPECT_FALSE(group1->HasCache());  // both caches in group1 have refcount 0
 392
 393   host.AssociateNoCache(GURL());
 394   EXPECT_FALSE(host.swappable_cache_.get());
 395   EXPECT_FALSE(group2->HasCache());  // both caches in group2 have refcount 0
 396
 397   // Host adds reference to newest cache when an update is complete.
 398   AppCache* cache5 = new AppCache(service_.storage(), 555);
 399   cache5->set_complete(true);
 400   group2->AddCache(cache5);
 401   host.group_being_updated_ = group2;
 402   host.OnUpdateComplete(group2.get());
 403   EXPECT_FALSE(host.group_being_updated_.get());
 404   EXPECT_EQ(cache5, host.swappable_cache_.get());
 405
 406   group2->RemoveCache(cache5);
 407   EXPECT_FALSE(group2->HasCache());
 408   host.group_being_updated_ = group2;
 409   host.OnUpdateComplete(group2.get());
 410   EXPECT_FALSE(host.group_being_updated_.get());
 411   EXPECT_FALSE(host.swappable_cache_.get());  // group2 had no newest cache
 412 }
 413
 414 TEST_F(AppCacheHostTest, ForDedicatedWorker) {
 415   const int kMockProcessId = 1;
 416   const int kParentHostId = 1;
 417   const int kWorkerHostId = 2;
 418
 419   AppCacheBackendImpl backend_impl;
 420   backend_impl.Initialize(&service_, &mock_frontend_, kMockProcessId);
 421   backend_impl.RegisterHost(kParentHostId);
 422   backend_impl.RegisterHost(kWorkerHostId);
 423
 424   AppCacheHost* parent_host = backend_impl.GetHost(kParentHostId);
 425   EXPECT_FALSE(parent_host->is_for_dedicated_worker());
 426
 427   AppCacheHost* worker_host = backend_impl.GetHost(kWorkerHostId);
 428   worker_host->SelectCacheForWorker(kParentHostId, kMockProcessId);
 429   EXPECT_TRUE(worker_host->is_for_dedicated_worker());
 430   EXPECT_EQ(parent_host, worker_host->GetParentAppCacheHost());
 431
 432   // We should have received an OnCacheSelected msg for the worker_host.
 433   // The host for workers always indicates 'no cache selected' regardless
 434   // of its parent's state. This is OK because the worker cannot access
 435   // the scriptable interface, the only function available is resource
 436   // loading (see appcache_request_handler_unittests those tests).
 437   EXPECT_EQ(kWorkerHostId, mock_frontend_.last_host_id_);
 438   EXPECT_EQ(kNoCacheId, mock_frontend_.last_cache_id_);
 439   EXPECT_EQ(UNCACHED, mock_frontend_.last_status_);
 440
 441   // Simulate the parent being torn down.
 442   backend_impl.UnregisterHost(kParentHostId);
 443   parent_host = NULL;
 444   EXPECT_EQ(NULL, backend_impl.GetHost(kParentHostId));
 445   EXPECT_EQ(NULL, worker_host->GetParentAppCacheHost());
 446 }
 447
 448 TEST_F(AppCacheHostTest, SelectCacheAllowed) {
 449   scoped_refptr<MockQuotaManagerProxy> mock_quota_proxy(
 450       new MockQuotaManagerProxy);
 451   MockAppCachePolicy mock_appcache_policy;
 452   mock_appcache_policy.can_create_return_value_ = true;
 453   service_.set_quota_manager_proxy(mock_quota_proxy.get());
 454   service_.set_appcache_policy(&mock_appcache_policy);
 455
 456   // Reset our mock frontend
 457   mock_frontend_.last_cache_id_ = -333;
 458   mock_frontend_.last_host_id_ = -333;
 459   mock_frontend_.last_status_ = OBSOLETE;
 460   mock_frontend_.last_event_id_ = OBSOLETE_EVENT;
 461   mock_frontend_.content_blocked_ = false;
 462
 463   const GURL kDocAndOriginUrl(GURL("http://whatever/").GetOrigin());
 464   const GURL kManifestUrl(GURL("http://whatever/cache.manifest"));
 465   {
 466     AppCacheHost host(1, &mock_frontend_, &service_);
 467     host.first_party_url_ = kDocAndOriginUrl;
 468     host.SelectCache(kDocAndOriginUrl, kNoCacheId, kManifestUrl);
 469     EXPECT_EQ(1, mock_quota_proxy->GetInUseCount(kDocAndOriginUrl));
 470
 471     // MockAppCacheService::LoadOrCreateGroup is asynchronous, so we shouldn't
 472     // have received an OnCacheSelected msg yet.
 473     EXPECT_EQ(-333, mock_frontend_.last_host_id_);
 474     EXPECT_EQ(-333, mock_frontend_.last_cache_id_);
 475     EXPECT_EQ(OBSOLETE, mock_frontend_.last_status_);
 476     // No error events either
 477     EXPECT_EQ(OBSOLETE_EVENT, mock_frontend_.last_event_id_);
 478     EXPECT_FALSE(mock_frontend_.content_blocked_);
 479
 480     EXPECT_TRUE(host.is_selection_pending());
 481   }
 482   EXPECT_EQ(0, mock_quota_proxy->GetInUseCount(kDocAndOriginUrl));
 483   service_.set_quota_manager_proxy(NULL);
 484 }
 485
 486 TEST_F(AppCacheHostTest, SelectCacheBlocked) {
 487   scoped_refptr<MockQuotaManagerProxy> mock_quota_proxy(
 488       new MockQuotaManagerProxy);
 489   MockAppCachePolicy mock_appcache_policy;
 490   mock_appcache_policy.can_create_return_value_ = false;
 491   service_.set_quota_manager_proxy(mock_quota_proxy.get());
 492   service_.set_appcache_policy(&mock_appcache_policy);
 493
 494   // Reset our mock frontend
 495   mock_frontend_.last_cache_id_ = -333;
 496   mock_frontend_.last_host_id_ = -333;
 497   mock_frontend_.last_status_ = OBSOLETE;
 498   mock_frontend_.last_event_id_ = OBSOLETE_EVENT;
 499   mock_frontend_.content_blocked_ = false;
 500
 501   const GURL kDocAndOriginUrl(GURL("http://whatever/").GetOrigin());
 502   const GURL kManifestUrl(GURL("http://whatever/cache.manifest"));
 503   {
 504     AppCacheHost host(1, &mock_frontend_, &service_);
 505     host.first_party_url_ = kDocAndOriginUrl;
 506     host.SelectCache(kDocAndOriginUrl, kNoCacheId, kManifestUrl);
 507     EXPECT_EQ(1, mock_quota_proxy->GetInUseCount(kDocAndOriginUrl));
 508
 509     // We should have received an OnCacheSelected msg
 510     EXPECT_EQ(1, mock_frontend_.last_host_id_);
 511     EXPECT_EQ(kNoCacheId, mock_frontend_.last_cache_id_);
 512     EXPECT_EQ(UNCACHED, mock_frontend_.last_status_);
 513
 514     // Also, an error event was raised
 515     EXPECT_EQ(ERROR_EVENT, mock_frontend_.last_event_id_);
 516     EXPECT_TRUE(mock_frontend_.content_blocked_);
 517
 518     // Otherwise, see that it respond as if there is no cache selected.
 519     EXPECT_EQ(1, host.host_id());
 520     EXPECT_EQ(&service_, host.service());
 521     EXPECT_EQ(&mock_frontend_, host.frontend());
 522     EXPECT_EQ(NULL, host.associated_cache());
 523     EXPECT_FALSE(host.is_selection_pending());
 524     EXPECT_TRUE(host.preferred_manifest_url().is_empty());
 525   }
 526   EXPECT_EQ(0, mock_quota_proxy->GetInUseCount(kDocAndOriginUrl));
 527   service_.set_quota_manager_proxy(NULL);
 528 }
 529
 530 }  // namespace appcache