src/device/nfc/nfc_chromeos_unittest.cc

   1 // Copyright 2013 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/callback.h"
   6 #include "base/memory/scoped_ptr.h"
   7 #include "base/message_loop/message_loop.h"
   8 #include "base/run_loop.h"
   9 #include "base/values.h"
  10 #include "chromeos/dbus/dbus_thread_manager.h"
  11 #include "chromeos/dbus/fake_nfc_adapter_client.h"
  12 #include "chromeos/dbus/fake_nfc_device_client.h"
  13 #include "chromeos/dbus/fake_nfc_record_client.h"
  14 #include "chromeos/dbus/fake_nfc_tag_client.h"
  15 #include "device/nfc/nfc_adapter_chromeos.h"
  16 #include "device/nfc/nfc_ndef_record.h"
  17 #include "device/nfc/nfc_ndef_record_utils_chromeos.h"
  18 #include "device/nfc/nfc_peer.h"
  19 #include "device/nfc/nfc_tag.h"
  20 #include "device/nfc/nfc_tag_technology.h"
  21 #include "testing/gtest/include/gtest/gtest.h"
  22 #include "third_party/cros_system_api/dbus/service_constants.h"
  23
  24 using device::NfcAdapter;
  25 using device::NfcNdefMessage;
  26 using device::NfcNdefRecord;
  27 using device::NfcNdefTagTechnology;
  28 using device::NfcPeer;
  29 using device::NfcTag;
  30
  31 namespace chromeos {
  32
  33 namespace {
  34
  35 // Callback passed to property structures.
  36 void OnPropertyChangedCallback(const std::string& property_name) {
  37 }
  38
  39 // Callback passed to dbus::PropertyBase::Set.
  40 void OnSet(bool success) {
  41 }
  42
  43 class TestObserver : public NfcAdapter::Observer,
  44                      public NfcPeer::Observer,
  45                      public NfcTag::Observer,
  46                      public NfcNdefTagTechnology::Observer {
  47  public:
  48   TestObserver(scoped_refptr<NfcAdapter> adapter)
  49       : present_changed_count_(0),
  50         powered_changed_count_(0),
  51         polling_changed_count_(0),
  52         peer_records_received_count_(0),
  53         tag_records_received_count_(0),
  54         peer_count_(0),
  55         tag_count_(0),
  56         adapter_(adapter) {
  57   }
  58
  59   virtual ~TestObserver() {}
  60
  61   // NfcAdapter::Observer override.
  62   virtual void AdapterPresentChanged(NfcAdapter* adapter,
  63                                      bool present) OVERRIDE {
  64     EXPECT_EQ(adapter_.get(), adapter);
  65     present_changed_count_++;
  66   }
  67
  68   // NfcAdapter::Observer override.
  69   virtual void AdapterPoweredChanged(NfcAdapter* adapter,
  70                                      bool powered) OVERRIDE {
  71     EXPECT_EQ(adapter_.get(), adapter);
  72     powered_changed_count_++;
  73   }
  74
  75   // NfcAdapter::Observer override.
  76   virtual void AdapterPollingChanged(NfcAdapter* adapter,
  77                                      bool powered) OVERRIDE {
  78     EXPECT_EQ(adapter_.get(), adapter);
  79     polling_changed_count_++;
  80   }
  81
  82   // NfcAdapter::Observer override.
  83   virtual void PeerFound(NfcAdapter* adapter, NfcPeer* peer) OVERRIDE {
  84     EXPECT_EQ(adapter_.get(), adapter);
  85     peer_count_++;
  86     peer_identifier_ = peer->GetIdentifier();
  87   }
  88
  89   // NfcAdapter::Observer override.
  90   virtual void PeerLost(NfcAdapter* adapter, NfcPeer* peer) OVERRIDE {
  91     EXPECT_EQ(adapter_.get(), adapter);
  92     EXPECT_EQ(peer_identifier_, peer->GetIdentifier());
  93     peer_count_--;
  94     peer_identifier_.clear();
  95   }
  96
  97   // NfcAdapter::Observer override.
  98   virtual void TagFound(NfcAdapter* adapter, NfcTag* tag) OVERRIDE {
  99     EXPECT_EQ(adapter_.get(), adapter);
 100     tag_count_++;
 101     tag_identifier_ = tag->GetIdentifier();
 102   }
 103
 104   // NfcAdapter::Observer override.
 105   virtual void TagLost(NfcAdapter* adapter, NfcTag* tag) OVERRIDE {
 106     EXPECT_EQ(adapter_.get(), adapter);
 107     EXPECT_EQ(tag_identifier_, tag->GetIdentifier());
 108     tag_count_--;
 109     tag_identifier_.clear();
 110   }
 111
 112   // NfcPeer::Observer override.
 113   virtual void RecordReceived(
 114       NfcPeer* peer, const NfcNdefRecord* record) OVERRIDE {
 115     EXPECT_EQ(peer, adapter_->GetPeer(peer_identifier_));
 116     EXPECT_EQ(peer_identifier_, peer->GetIdentifier());
 117     peer_records_received_count_++;
 118   }
 119
 120   // NfcNdefTagTechnology::Observer override.
 121   virtual void RecordReceived(
 122         NfcTag* tag, const NfcNdefRecord* record) OVERRIDE {
 123     EXPECT_EQ(tag, adapter_->GetTag(tag_identifier_));
 124     EXPECT_EQ(tag_identifier_, tag->GetIdentifier());
 125     tag_records_received_count_++;
 126   }
 127
 128   int present_changed_count_;
 129   int powered_changed_count_;
 130   int polling_changed_count_;
 131   int peer_records_received_count_;
 132   int tag_records_received_count_;
 133   int peer_count_;
 134   int tag_count_;
 135   std::string peer_identifier_;
 136   std::string tag_identifier_;
 137   scoped_refptr<NfcAdapter> adapter_;
 138 };
 139
 140 }  // namespace
 141
 142 class NfcChromeOSTest : public testing::Test {
 143  public:
 144   virtual void SetUp() {
 145     DBusThreadManager::Initialize();
 146     fake_nfc_adapter_client_ = static_cast<FakeNfcAdapterClient*>(
 147         DBusThreadManager::Get()->GetNfcAdapterClient());
 148     fake_nfc_device_client_ = static_cast<FakeNfcDeviceClient*>(
 149         DBusThreadManager::Get()->GetNfcDeviceClient());
 150     fake_nfc_record_client_ = static_cast<FakeNfcRecordClient*>(
 151         DBusThreadManager::Get()->GetNfcRecordClient());
 152     fake_nfc_tag_client_ = static_cast<FakeNfcTagClient*>(
 153         DBusThreadManager::Get()->GetNfcTagClient());
 154
 155     fake_nfc_adapter_client_->EnablePairingOnPoll(false);
 156     fake_nfc_device_client_->DisableSimulationTimeout();
 157     fake_nfc_tag_client_->DisableSimulationTimeout();
 158     success_callback_count_ = 0;
 159     error_callback_count_ = 0;
 160   }
 161
 162   virtual void TearDown() {
 163     adapter_ = NULL;
 164     DBusThreadManager::Shutdown();
 165   }
 166
 167   // Assigns a new instance of NfcAdapterChromeOS to |adapter_|.
 168   void SetAdapter() {
 169     adapter_ = new NfcAdapterChromeOS();
 170     ASSERT_TRUE(adapter_.get() != NULL);
 171     ASSERT_TRUE(adapter_->IsInitialized());
 172     base::RunLoop().RunUntilIdle();
 173   }
 174
 175   // Generic callbacks for success and error.
 176   void SuccessCallback() {
 177     success_callback_count_++;
 178   }
 179
 180   void ErrorCallback() {
 181     error_callback_count_++;
 182   }
 183
 184   void ErrorCallbackWithParameters(const std::string& error_name,
 185                                    const std::string& error_message) {
 186     LOG(INFO) << "Error callback called: " << error_name << ", "
 187               << error_message;
 188     error_callback_count_++;
 189   }
 190
 191  protected:
 192   // MessageLoop instance, used to simulate asynchronous behavior.
 193   base::MessageLoop message_loop_;
 194
 195   // Fields for storing the number of times SuccessCallback and ErrorCallback
 196   // have been called.
 197   int success_callback_count_;
 198   int error_callback_count_;
 199
 200   // The NfcAdapter instance under test.
 201   scoped_refptr<NfcAdapter> adapter_;
 202
 203   // The fake D-Bus client instances used for testing.
 204   FakeNfcAdapterClient* fake_nfc_adapter_client_;
 205   FakeNfcDeviceClient* fake_nfc_device_client_;
 206   FakeNfcRecordClient* fake_nfc_record_client_;
 207   FakeNfcTagClient* fake_nfc_tag_client_;
 208 };
 209
 210 // Tests that the adapter updates correctly to reflect the current "default"
 211 // adapter, when multiple adapters appear and disappear.
 212 TEST_F(NfcChromeOSTest, PresentChanged) {
 213   SetAdapter();
 214   EXPECT_TRUE(adapter_->IsPresent());
 215
 216   TestObserver observer(adapter_);
 217   adapter_->AddObserver(&observer);
 218
 219   // Remove all adapters.
 220   fake_nfc_adapter_client_->SetAdapterPresent(false);
 221   EXPECT_EQ(1, observer.present_changed_count_);
 222   EXPECT_FALSE(adapter_->IsPresent());
 223
 224   // Add two adapters.
 225   fake_nfc_adapter_client_->SetAdapterPresent(true);
 226   fake_nfc_adapter_client_->SetSecondAdapterPresent(true);
 227   EXPECT_EQ(2, observer.present_changed_count_);
 228   EXPECT_TRUE(adapter_->IsPresent());
 229
 230   // Remove the first adapter. Adapter  should update to the second one.
 231   fake_nfc_adapter_client_->SetAdapterPresent(false);
 232   EXPECT_EQ(4, observer.present_changed_count_);
 233   EXPECT_TRUE(adapter_->IsPresent());
 234
 235   fake_nfc_adapter_client_->SetSecondAdapterPresent(false);
 236   EXPECT_EQ(5, observer.present_changed_count_);
 237   EXPECT_FALSE(adapter_->IsPresent());
 238 }
 239
 240 // Tests that the adapter correctly reflects the power state.
 241 TEST_F(NfcChromeOSTest, SetPowered) {
 242   SetAdapter();
 243   TestObserver observer(adapter_);
 244   adapter_->AddObserver(&observer);
 245
 246   EXPECT_FALSE(adapter_->IsPowered());
 247
 248   // SetPowered(false), while not powered.
 249   adapter_->SetPowered(
 250       false,
 251       base::Bind(&NfcChromeOSTest::SuccessCallback,
 252                  base::Unretained(this)),
 253       base::Bind(&NfcChromeOSTest::ErrorCallback,
 254                  base::Unretained(this)));
 255   EXPECT_FALSE(adapter_->IsPowered());
 256   EXPECT_EQ(0, observer.powered_changed_count_);
 257   EXPECT_EQ(0, success_callback_count_);
 258   EXPECT_EQ(1, error_callback_count_);
 259
 260   // SetPowered(true).
 261   adapter_->SetPowered(
 262       true,
 263       base::Bind(&NfcChromeOSTest::SuccessCallback,
 264                  base::Unretained(this)),
 265       base::Bind(&NfcChromeOSTest::ErrorCallback,
 266                  base::Unretained(this)));
 267   EXPECT_TRUE(adapter_->IsPowered());
 268   EXPECT_EQ(1, observer.powered_changed_count_);
 269   EXPECT_EQ(1, success_callback_count_);
 270   EXPECT_EQ(1, error_callback_count_);
 271
 272   // SetPowered(true), while powered.
 273   adapter_->SetPowered(
 274       true,
 275       base::Bind(&NfcChromeOSTest::SuccessCallback,
 276                  base::Unretained(this)),
 277       base::Bind(&NfcChromeOSTest::ErrorCallback,
 278                  base::Unretained(this)));
 279   EXPECT_TRUE(adapter_->IsPowered());
 280   EXPECT_EQ(1, observer.powered_changed_count_);
 281   EXPECT_EQ(1, success_callback_count_);
 282   EXPECT_EQ(2, error_callback_count_);
 283
 284   // SetPowered(false).
 285   adapter_->SetPowered(
 286       false,
 287       base::Bind(&NfcChromeOSTest::SuccessCallback,
 288                  base::Unretained(this)),
 289       base::Bind(&NfcChromeOSTest::ErrorCallback,
 290                  base::Unretained(this)));
 291   EXPECT_FALSE(adapter_->IsPowered());
 292   EXPECT_EQ(2, observer.powered_changed_count_);
 293   EXPECT_EQ(2, success_callback_count_);
 294   EXPECT_EQ(2, error_callback_count_);
 295 }
 296
 297 // Tests that the power state updates correctly when the adapter disappears.
 298 TEST_F(NfcChromeOSTest, PresentChangedWhilePowered) {
 299   SetAdapter();
 300   TestObserver observer(adapter_);
 301   adapter_->AddObserver(&observer);
 302
 303   EXPECT_FALSE(adapter_->IsPowered());
 304   EXPECT_TRUE(adapter_->IsPresent());
 305
 306   adapter_->SetPowered(
 307       true,
 308       base::Bind(&NfcChromeOSTest::SuccessCallback,
 309                  base::Unretained(this)),
 310       base::Bind(&NfcChromeOSTest::ErrorCallback,
 311                  base::Unretained(this)));
 312   EXPECT_TRUE(adapter_->IsPowered());
 313
 314   fake_nfc_adapter_client_->SetAdapterPresent(false);
 315   EXPECT_EQ(1, observer.present_changed_count_);
 316   EXPECT_EQ(2, observer.powered_changed_count_);
 317   EXPECT_FALSE(adapter_->IsPowered());
 318   EXPECT_FALSE(adapter_->IsPresent());
 319 }
 320
 321 // Tests that peer and record objects are created for all peers and records
 322 // that already exist when the adapter is created.
 323 TEST_F(NfcChromeOSTest, PeersInitializedWhenAdapterCreated) {
 324   // Set up the adapter client.
 325   NfcAdapterClient::Properties* properties =
 326       fake_nfc_adapter_client_->GetProperties(
 327           dbus::ObjectPath(FakeNfcAdapterClient::kAdapterPath0));
 328   properties->powered.Set(true, base::Bind(&OnSet));
 329
 330   fake_nfc_adapter_client_->StartPollLoop(
 331       dbus::ObjectPath(FakeNfcAdapterClient::kAdapterPath0),
 332       nfc_adapter::kModeInitiator,
 333       base::Bind(&NfcChromeOSTest::SuccessCallback,
 334                  base::Unretained(this)),
 335       base::Bind(&NfcChromeOSTest::ErrorCallbackWithParameters,
 336                  base::Unretained(this)));
 337   EXPECT_EQ(1, success_callback_count_);
 338   EXPECT_TRUE(properties->powered.value());
 339   EXPECT_TRUE(properties->polling.value());
 340
 341   // Start pairing simulation, which will add a fake device and fake records.
 342   fake_nfc_device_client_->BeginPairingSimulation(0, 0);
 343   base::RunLoop().RunUntilIdle();
 344
 345   // Create the adapter.
 346   SetAdapter();
 347   TestObserver observer(adapter_);
 348   adapter_->AddObserver(&observer);
 349
 350   // Observer shouldn't have received any calls, as it got created AFTER the
 351   // notifications were sent.
 352   EXPECT_EQ(0, observer.present_changed_count_);
 353   EXPECT_EQ(0, observer.powered_changed_count_);
 354   EXPECT_EQ(0, observer.polling_changed_count_);
 355   EXPECT_EQ(0, observer.peer_count_);
 356
 357   EXPECT_TRUE(adapter_->IsPresent());
 358   EXPECT_TRUE(adapter_->IsPowered());
 359   EXPECT_FALSE(adapter_->IsPolling());
 360
 361   NfcAdapter::PeerList peers;
 362   adapter_->GetPeers(&peers);
 363   EXPECT_EQ(static_cast<size_t>(1), peers.size());
 364
 365   NfcPeer* peer = peers[0];
 366   const NfcNdefMessage& message = peer->GetNdefMessage();
 367   EXPECT_EQ(static_cast<size_t>(3), message.records().size());
 368 }
 369
 370 // Tests that tag and record objects are created for all tags and records that
 371 // already exist when the adapter is created.
 372 TEST_F(NfcChromeOSTest, TagsInitializedWhenAdapterCreated) {
 373   const char kTestURI[] = "fake://path/for/testing";
 374
 375   // Set up the adapter client.
 376   NfcAdapterClient::Properties* properties =
 377       fake_nfc_adapter_client_->GetProperties(
 378           dbus::ObjectPath(FakeNfcAdapterClient::kAdapterPath0));
 379   properties->powered.Set(true, base::Bind(&OnSet));
 380
 381   fake_nfc_adapter_client_->StartPollLoop(
 382       dbus::ObjectPath(FakeNfcAdapterClient::kAdapterPath0),
 383       nfc_adapter::kModeInitiator,
 384       base::Bind(&NfcChromeOSTest::SuccessCallback,
 385                  base::Unretained(this)),
 386       base::Bind(&NfcChromeOSTest::ErrorCallbackWithParameters,
 387                  base::Unretained(this)));
 388   EXPECT_EQ(1, success_callback_count_);
 389   EXPECT_TRUE(properties->powered.value());
 390   EXPECT_TRUE(properties->polling.value());
 391
 392   // Add the fake tag.
 393   fake_nfc_tag_client_->BeginPairingSimulation(0);
 394   base::RunLoop().RunUntilIdle();
 395
 396   // Create a fake record.
 397   base::DictionaryValue test_record_data;
 398   test_record_data.SetString(nfc_record::kTypeProperty, nfc_record::kTypeUri);
 399   test_record_data.SetString(nfc_record::kUriProperty, kTestURI);
 400   fake_nfc_tag_client_->Write(
 401       dbus::ObjectPath(FakeNfcTagClient::kTagPath),
 402       test_record_data,
 403       base::Bind(&NfcChromeOSTest::SuccessCallback,
 404                  base::Unretained(this)),
 405       base::Bind(&NfcChromeOSTest::ErrorCallbackWithParameters,
 406                  base::Unretained(this)));
 407   EXPECT_EQ(2, success_callback_count_);
 408
 409   // Create the adapter.
 410   SetAdapter();
 411   TestObserver observer(adapter_);
 412   adapter_->AddObserver(&observer);
 413
 414   // Observer shouldn't have received any calls, as it got created AFTER the
 415   // notifications were sent.
 416   EXPECT_EQ(0, observer.present_changed_count_);
 417   EXPECT_EQ(0, observer.powered_changed_count_);
 418   EXPECT_EQ(0, observer.polling_changed_count_);
 419   EXPECT_EQ(0, observer.peer_count_);
 420
 421   EXPECT_TRUE(adapter_->IsPresent());
 422   EXPECT_TRUE(adapter_->IsPowered());
 423   EXPECT_FALSE(adapter_->IsPolling());
 424
 425   NfcAdapter::TagList tags;
 426   adapter_->GetTags(&tags);
 427   EXPECT_EQ(static_cast<size_t>(1), tags.size());
 428
 429   NfcTag* tag = tags[0];
 430   const NfcNdefMessage& message = tag->GetNdefTagTechnology()->GetNdefMessage();
 431   EXPECT_EQ(static_cast<size_t>(1), message.records().size());
 432
 433   const NfcNdefRecord* record = message.records()[0];
 434   std::string uri;
 435   EXPECT_TRUE(record->data().GetString(NfcNdefRecord::kFieldURI, &uri));
 436   EXPECT_EQ(kTestURI, uri);
 437 }
 438
 439 // Tests that the adapter correctly updates its state when polling is started
 440 // and stopped.
 441 TEST_F(NfcChromeOSTest, StartAndStopPolling) {
 442   SetAdapter();
 443   EXPECT_TRUE(adapter_->IsPresent());
 444
 445   TestObserver observer(adapter_);
 446   adapter_->AddObserver(&observer);
 447
 448   // Start polling while not powered. Should fail.
 449   EXPECT_FALSE(adapter_->IsPowered());
 450   adapter_->StartPolling(
 451       base::Bind(&NfcChromeOSTest::SuccessCallback,
 452                  base::Unretained(this)),
 453       base::Bind(&NfcChromeOSTest::ErrorCallback,
 454                  base::Unretained(this)));
 455   EXPECT_EQ(0, success_callback_count_);
 456   EXPECT_EQ(1, error_callback_count_);
 457   EXPECT_FALSE(adapter_->IsPolling());
 458
 459   // Start polling while powered. Should succeed.
 460   adapter_->SetPowered(
 461       true,
 462       base::Bind(&NfcChromeOSTest::SuccessCallback,
 463                  base::Unretained(this)),
 464       base::Bind(&NfcChromeOSTest::ErrorCallback,
 465                  base::Unretained(this)));
 466   EXPECT_EQ(1, success_callback_count_);
 467   EXPECT_EQ(1, error_callback_count_);
 468   EXPECT_TRUE(adapter_->IsPowered());
 469
 470   adapter_->StartPolling(
 471       base::Bind(&NfcChromeOSTest::SuccessCallback,
 472                  base::Unretained(this)),
 473       base::Bind(&NfcChromeOSTest::ErrorCallback,
 474                  base::Unretained(this)));
 475   EXPECT_EQ(2, success_callback_count_);
 476   EXPECT_EQ(1, error_callback_count_);
 477   EXPECT_TRUE(adapter_->IsPolling());
 478
 479   // Start polling while already polling. Should fail.
 480   adapter_->StartPolling(
 481       base::Bind(&NfcChromeOSTest::SuccessCallback,
 482                  base::Unretained(this)),
 483       base::Bind(&NfcChromeOSTest::ErrorCallback,
 484                  base::Unretained(this)));
 485   EXPECT_EQ(2, success_callback_count_);
 486   EXPECT_EQ(2, error_callback_count_);
 487   EXPECT_TRUE(adapter_->IsPolling());
 488
 489   // Stop polling. Should succeed.
 490   adapter_->StopPolling(
 491       base::Bind(&NfcChromeOSTest::SuccessCallback,
 492                  base::Unretained(this)),
 493       base::Bind(&NfcChromeOSTest::ErrorCallback,
 494                  base::Unretained(this)));
 495   EXPECT_EQ(3, success_callback_count_);
 496   EXPECT_EQ(2, error_callback_count_);
 497   EXPECT_FALSE(adapter_->IsPolling());
 498
 499   // Stop polling while not polling. Should fail.
 500   adapter_->StopPolling(
 501       base::Bind(&NfcChromeOSTest::SuccessCallback,
 502                  base::Unretained(this)),
 503       base::Bind(&NfcChromeOSTest::ErrorCallback,
 504                  base::Unretained(this)));
 505   EXPECT_EQ(3, success_callback_count_);
 506   EXPECT_EQ(3, error_callback_count_);
 507   EXPECT_FALSE(adapter_->IsPolling());
 508 }
 509
 510 // Tests a simple peer pairing simulation.
 511 TEST_F(NfcChromeOSTest, PeerTest) {
 512   SetAdapter();
 513   TestObserver observer(adapter_);
 514   adapter_->AddObserver(&observer);
 515
 516   adapter_->SetPowered(
 517       true,
 518       base::Bind(&NfcChromeOSTest::SuccessCallback,
 519                  base::Unretained(this)),
 520       base::Bind(&NfcChromeOSTest::ErrorCallback,
 521                  base::Unretained(this)));
 522   adapter_->StartPolling(
 523       base::Bind(&NfcChromeOSTest::SuccessCallback,
 524                  base::Unretained(this)),
 525       base::Bind(&NfcChromeOSTest::ErrorCallback,
 526                  base::Unretained(this)));
 527   EXPECT_EQ(2, success_callback_count_);
 528
 529   EXPECT_TRUE(adapter_->IsPowered());
 530   EXPECT_TRUE(adapter_->IsPolling());
 531   EXPECT_EQ(0, observer.peer_count_);
 532
 533   // Add the fake device.
 534   fake_nfc_device_client_->BeginPairingSimulation(0, -1);
 535   base::RunLoop().RunUntilIdle();
 536
 537   EXPECT_EQ(1, observer.peer_count_);
 538   EXPECT_EQ(FakeNfcDeviceClient::kDevicePath, observer.peer_identifier_);
 539
 540   NfcPeer* peer = adapter_->GetPeer(observer.peer_identifier_);
 541   CHECK(peer);
 542   peer->AddObserver(&observer);
 543
 544   // Peer should have no records on it.
 545   EXPECT_TRUE(peer->GetNdefMessage().records().empty());
 546   EXPECT_EQ(0, observer.peer_records_received_count_);
 547
 548   // Make records visible.
 549   fake_nfc_record_client_->SetDeviceRecordsVisible(true);
 550   EXPECT_EQ(3, observer.peer_records_received_count_);
 551   EXPECT_EQ(static_cast<size_t>(3), peer->GetNdefMessage().records().size());
 552
 553   // End the simulation. Peer should get removed.
 554   fake_nfc_device_client_->EndPairingSimulation();
 555   EXPECT_EQ(0, observer.peer_count_);
 556   EXPECT_TRUE(observer.peer_identifier_.empty());
 557
 558   peer = adapter_->GetPeer(observer.peer_identifier_);
 559   EXPECT_FALSE(peer);
 560
 561   // No record related notifications will be sent when a peer gets removed.
 562   EXPECT_EQ(3, observer.peer_records_received_count_);
 563 }
 564
 565 // Tests a simple tag pairing simulation.
 566 TEST_F(NfcChromeOSTest, TagTest) {
 567   const char kTestURI[] = "fake://path/for/testing";
 568
 569   SetAdapter();
 570   TestObserver observer(adapter_);
 571   adapter_->AddObserver(&observer);
 572
 573   adapter_->SetPowered(
 574       true,
 575       base::Bind(&NfcChromeOSTest::SuccessCallback,
 576                  base::Unretained(this)),
 577       base::Bind(&NfcChromeOSTest::ErrorCallback,
 578                  base::Unretained(this)));
 579   adapter_->StartPolling(
 580       base::Bind(&NfcChromeOSTest::SuccessCallback,
 581                  base::Unretained(this)),
 582       base::Bind(&NfcChromeOSTest::ErrorCallback,
 583                  base::Unretained(this)));
 584   EXPECT_EQ(2, success_callback_count_);
 585
 586   EXPECT_TRUE(adapter_->IsPowered());
 587   EXPECT_TRUE(adapter_->IsPolling());
 588   EXPECT_EQ(0, observer.tag_count_);
 589
 590   // Add the fake tag.
 591   fake_nfc_tag_client_->BeginPairingSimulation(0);
 592   base::RunLoop().RunUntilIdle();
 593
 594   EXPECT_EQ(1, observer.tag_count_);
 595   EXPECT_EQ(FakeNfcTagClient::kTagPath, observer.tag_identifier_);
 596
 597   NfcTag* tag = adapter_->GetTag(observer.tag_identifier_);
 598   CHECK(tag);
 599   tag->AddObserver(&observer);
 600   EXPECT_TRUE(tag->IsReady());
 601   CHECK(tag->GetNdefTagTechnology());
 602   tag->GetNdefTagTechnology()->AddObserver(&observer);
 603
 604   NfcNdefTagTechnology* tag_technology = tag->GetNdefTagTechnology();
 605   EXPECT_TRUE(tag_technology->IsSupportedByTag());
 606
 607   // Tag should have no records on it.
 608   EXPECT_TRUE(tag_technology->GetNdefMessage().records().empty());
 609   EXPECT_EQ(0, observer.tag_records_received_count_);
 610
 611   // Set the tag record visible. By default the record has no content, so no
 612   // NfcNdefMessage should be received.
 613   fake_nfc_record_client_->SetTagRecordsVisible(true);
 614   EXPECT_TRUE(tag_technology->GetNdefMessage().records().empty());
 615   EXPECT_EQ(0, observer.tag_records_received_count_);
 616   fake_nfc_record_client_->SetTagRecordsVisible(false);
 617
 618   // Write an NDEF record to the tag.
 619   EXPECT_EQ(2, success_callback_count_);  // 2 for SetPowered and StartPolling.
 620   EXPECT_EQ(0, error_callback_count_);
 621
 622   base::DictionaryValue record_data;
 623   record_data.SetString(NfcNdefRecord::kFieldURI, kTestURI);
 624   NfcNdefRecord written_record;
 625   written_record.Populate(NfcNdefRecord::kTypeURI, &record_data);
 626   NfcNdefMessage written_message;
 627   written_message.AddRecord(&written_record);
 628
 629   tag_technology->WriteNdef(
 630       written_message,
 631       base::Bind(&NfcChromeOSTest::SuccessCallback,
 632                  base::Unretained(this)),
 633       base::Bind(&NfcChromeOSTest::ErrorCallback,
 634                  base::Unretained(this)));
 635   EXPECT_EQ(3, success_callback_count_);
 636   EXPECT_EQ(0, error_callback_count_);
 637
 638   EXPECT_EQ(static_cast<size_t>(1),
 639             tag_technology->GetNdefMessage().records().size());
 640   EXPECT_EQ(1, observer.tag_records_received_count_);
 641
 642   NfcNdefRecord* received_record =
 643       tag_technology->GetNdefMessage().records()[0];
 644   EXPECT_EQ(NfcNdefRecord::kTypeURI, received_record->type());
 645   std::string uri;
 646   EXPECT_TRUE(received_record->data().GetString(
 647       NfcNdefRecord::kFieldURI, &uri));
 648   EXPECT_EQ(kTestURI, uri);
 649
 650   // End the simulation. Tag should get removed.
 651   fake_nfc_tag_client_->EndPairingSimulation();
 652   EXPECT_EQ(0, observer.tag_count_);
 653   EXPECT_TRUE(observer.tag_identifier_.empty());
 654
 655   tag = adapter_->GetTag(observer.tag_identifier_);
 656   EXPECT_FALSE(tag);
 657
 658   // No record related notifications will be sent when a tag gets removed.
 659   EXPECT_EQ(1, observer.tag_records_received_count_);
 660 }
 661
 662 // Unit tests for nfc_ndef_record_utils methods.
 663 TEST_F(NfcChromeOSTest, NfcNdefRecordToDBusAttributes) {
 664   const char kText[] = "text";
 665   const char kURI[] = "test://uri";
 666   const char kEncoding[] = "encoding";
 667   const char kLanguageCode[] = "en";
 668   const char kMimeType[] = "mime-type";
 669   const double kSize = 5;
 670
 671   // Text record.
 672   base::DictionaryValue data;
 673   data.SetString(NfcNdefRecord::kFieldText, kText);
 674   data.SetString(NfcNdefRecord::kFieldLanguageCode, kLanguageCode);
 675   data.SetString(NfcNdefRecord::kFieldEncoding, kEncoding);
 676
 677   scoped_ptr<NfcNdefRecord> record(new NfcNdefRecord());
 678   ASSERT_TRUE(record->Populate(NfcNdefRecord::kTypeText, &data));
 679
 680   base::DictionaryValue result;
 681   EXPECT_TRUE(nfc_ndef_record_utils::NfcNdefRecordToDBusAttributes(
 682       record.get(), &result));
 683
 684   std::string string_value;
 685   EXPECT_TRUE(result.GetString(
 686       nfc_record::kTypeProperty, &string_value));
 687   EXPECT_EQ(nfc_record::kTypeText, string_value);
 688   EXPECT_TRUE(result.GetString(
 689       nfc_record::kRepresentationProperty, &string_value));
 690   EXPECT_EQ(kText, string_value);
 691   EXPECT_TRUE(result.GetString(
 692       nfc_record::kLanguageProperty, &string_value));
 693   EXPECT_EQ(kLanguageCode, string_value);
 694   EXPECT_TRUE(result.GetString(
 695       nfc_record::kEncodingProperty, &string_value));
 696   EXPECT_EQ(kEncoding, string_value);
 697
 698   // URI record.
 699   data.Clear();
 700   data.SetString(NfcNdefRecord::kFieldURI, kURI);
 701   data.SetString(NfcNdefRecord::kFieldMimeType, kMimeType);
 702   data.SetDouble(NfcNdefRecord::kFieldTargetSize, kSize);
 703
 704   record.reset(new NfcNdefRecord());
 705   ASSERT_TRUE(record->Populate(NfcNdefRecord::kTypeURI, &data));
 706
 707   result.Clear();
 708   EXPECT_TRUE(nfc_ndef_record_utils::NfcNdefRecordToDBusAttributes(
 709       record.get(), &result));
 710
 711   EXPECT_TRUE(result.GetString(nfc_record::kTypeProperty, &string_value));
 712   EXPECT_EQ(nfc_record::kTypeUri, string_value);
 713   EXPECT_TRUE(result.GetString(nfc_record::kUriProperty, &string_value));
 714   EXPECT_EQ(kURI, string_value);
 715   EXPECT_TRUE(result.GetString(nfc_record::kMimeTypeProperty, &string_value));
 716   EXPECT_EQ(kMimeType, string_value);
 717   double double_value;
 718   EXPECT_TRUE(result.GetDouble(nfc_record::kSizeProperty, &double_value));
 719   EXPECT_EQ(kSize, double_value);
 720
 721   // SmartPoster record.
 722   base::DictionaryValue* title = new base::DictionaryValue();
 723   title->SetString(NfcNdefRecord::kFieldText, kText);
 724   title->SetString(NfcNdefRecord::kFieldLanguageCode, kLanguageCode);
 725   title->SetString(NfcNdefRecord::kFieldEncoding, kEncoding);
 726
 727   base::ListValue* titles = new base::ListValue();
 728   titles->Append(title);
 729   data.Set(NfcNdefRecord::kFieldTitles, titles);
 730
 731   record.reset(new NfcNdefRecord());
 732   ASSERT_TRUE(record->Populate(NfcNdefRecord::kTypeSmartPoster, &data));
 733
 734   result.Clear();
 735   EXPECT_TRUE(nfc_ndef_record_utils::NfcNdefRecordToDBusAttributes(
 736       record.get(), &result));
 737
 738   EXPECT_TRUE(result.GetString(
 739       nfc_record::kTypeProperty, &string_value));
 740   EXPECT_EQ(nfc_record::kTypeSmartPoster, string_value);
 741   EXPECT_TRUE(result.GetString(
 742       nfc_record::kRepresentationProperty, &string_value));
 743   EXPECT_EQ(kText, string_value);
 744   EXPECT_TRUE(result.GetString(
 745       nfc_record::kLanguageProperty, &string_value));
 746   EXPECT_EQ(kLanguageCode, string_value);
 747   EXPECT_TRUE(result.GetString(
 748       nfc_record::kEncodingProperty, &string_value));
 749   EXPECT_EQ(kEncoding, string_value);
 750   EXPECT_TRUE(result.GetString(nfc_record::kUriProperty, &string_value));
 751   EXPECT_EQ(kURI, string_value);
 752   EXPECT_TRUE(result.GetString(nfc_record::kMimeTypeProperty, &string_value));
 753   EXPECT_EQ(kMimeType, string_value);
 754   EXPECT_TRUE(result.GetDouble(nfc_record::kSizeProperty, &double_value));
 755   EXPECT_EQ(kSize, double_value);
 756 }
 757
 758 TEST_F(NfcChromeOSTest, RecordPropertiesToNfcNdefRecord) {
 759   const char kText[] = "text";
 760   const char kURI[] = "test://uri";
 761   const char kEncoding[] = "encoding";
 762   const char kLanguageCode[] = "en";
 763   const char kMimeType[] = "mime-type";
 764   const uint32 kSize = 5;
 765
 766   FakeNfcRecordClient::Properties record_properties(
 767       base::Bind(&OnPropertyChangedCallback));
 768
 769   // Text record.
 770   record_properties.type.ReplaceValue(nfc_record::kTypeText);
 771   record_properties.representation.ReplaceValue(kText);
 772   record_properties.language.ReplaceValue(kLanguageCode);
 773   record_properties.encoding.ReplaceValue(kEncoding);
 774
 775   scoped_ptr<NfcNdefRecord> record(new NfcNdefRecord());
 776   EXPECT_TRUE(nfc_ndef_record_utils::RecordPropertiesToNfcNdefRecord(
 777       &record_properties, record.get()));
 778   EXPECT_TRUE(record->IsPopulated());
 779
 780   std::string string_value;
 781   EXPECT_EQ(NfcNdefRecord::kTypeText, record->type());
 782   EXPECT_TRUE(record->data().GetString(
 783       NfcNdefRecord::kFieldText, &string_value));
 784   EXPECT_EQ(kText, string_value);
 785   EXPECT_TRUE(record->data().GetString(
 786       NfcNdefRecord::kFieldLanguageCode, &string_value));
 787   EXPECT_EQ(kLanguageCode, string_value);
 788   EXPECT_TRUE(record->data().GetString(
 789       NfcNdefRecord::kFieldEncoding, &string_value));
 790   EXPECT_EQ(kEncoding, string_value);
 791
 792   // URI record.
 793   record_properties.representation.ReplaceValue("");
 794   record_properties.language.ReplaceValue("");
 795   record_properties.encoding.ReplaceValue("");
 796
 797   record_properties.type.ReplaceValue(nfc_record::kTypeUri);
 798   record_properties.uri.ReplaceValue(kURI);
 799   record_properties.mime_type.ReplaceValue(kMimeType);
 800   record_properties.size.ReplaceValue(kSize);
 801
 802   record.reset(new NfcNdefRecord());
 803   EXPECT_TRUE(nfc_ndef_record_utils::RecordPropertiesToNfcNdefRecord(
 804       &record_properties, record.get()));
 805   EXPECT_TRUE(record->IsPopulated());
 806
 807   EXPECT_EQ(NfcNdefRecord::kTypeURI, record->type());
 808   EXPECT_TRUE(record->data().GetString(
 809       NfcNdefRecord::kFieldURI, &string_value));
 810   EXPECT_EQ(kURI, string_value);
 811   EXPECT_TRUE(record->data().GetString(
 812       NfcNdefRecord::kFieldMimeType, &string_value));
 813   EXPECT_EQ(kMimeType, string_value);
 814   double double_value;
 815   EXPECT_TRUE(record->data().GetDouble(
 816       NfcNdefRecord::kFieldTargetSize, &double_value));
 817   EXPECT_EQ(kSize, double_value);
 818
 819   // Contents not matching type.
 820   record_properties.representation.ReplaceValue(kText);
 821   record_properties.language.ReplaceValue(kLanguageCode);
 822   record_properties.encoding.ReplaceValue(kEncoding);
 823
 824   record.reset(new NfcNdefRecord());
 825   EXPECT_FALSE(nfc_ndef_record_utils::RecordPropertiesToNfcNdefRecord(
 826       &record_properties, record.get()));
 827   EXPECT_FALSE(record->IsPopulated());
 828
 829   // SmartPoster record.
 830   record_properties.type.ReplaceValue(nfc_record::kTypeSmartPoster);
 831   EXPECT_TRUE(nfc_ndef_record_utils::RecordPropertiesToNfcNdefRecord(
 832       &record_properties, record.get()));
 833   EXPECT_TRUE(record->IsPopulated());
 834
 835   EXPECT_EQ(NfcNdefRecord::kTypeSmartPoster, record->type());
 836   EXPECT_TRUE(record->data().GetString(
 837       NfcNdefRecord::kFieldURI, &string_value));
 838   EXPECT_EQ(kURI, string_value);
 839   EXPECT_TRUE(record->data().GetString(
 840       NfcNdefRecord::kFieldMimeType, &string_value));
 841   EXPECT_EQ(kMimeType, string_value);
 842   EXPECT_TRUE(record->data().GetDouble(
 843       NfcNdefRecord::kFieldTargetSize, &double_value));
 844   EXPECT_EQ(kSize, double_value);
 845
 846   const base::ListValue* titles = NULL;
 847   EXPECT_TRUE(record->data().GetList(NfcNdefRecord::kFieldTitles, &titles));
 848   EXPECT_EQ(static_cast<size_t>(1), titles->GetSize());
 849   ASSERT_TRUE(titles);
 850   const base::DictionaryValue* title = NULL;
 851   EXPECT_TRUE(titles->GetDictionary(0, &title));
 852   CHECK(title);
 853
 854   EXPECT_TRUE(title->GetString(NfcNdefRecord::kFieldText, &string_value));
 855   EXPECT_EQ(kText, string_value);
 856   EXPECT_TRUE(title->GetString(
 857       NfcNdefRecord::kFieldLanguageCode, &string_value));
 858   EXPECT_EQ(kLanguageCode, string_value);
 859   EXPECT_TRUE(title->GetString(NfcNdefRecord::kFieldEncoding, &string_value));
 860   EXPECT_EQ(kEncoding, string_value);
 861 }
 862
 863 }  // namespace chromeos