bluetooth_system_unittest.cc 79 KB

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  1. // Copyright 2018 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. #include "services/device/bluetooth/bluetooth_system.h"
  5. #include <deque>
  6. #include <map>
  7. #include <memory>
  8. #include <string>
  9. #include <utility>
  10. #include <vector>
  11. #include "base/bind.h"
  12. #include "base/containers/contains.h"
  13. #include "base/observer_list.h"
  14. #include "base/run_loop.h"
  15. #include "base/test/bind.h"
  16. #include "device/bluetooth/dbus/bluetooth_adapter_client.h"
  17. #include "device/bluetooth/dbus/bluetooth_admin_policy_client.h"
  18. #include "device/bluetooth/dbus/bluetooth_device_client.h"
  19. #include "device/bluetooth/dbus/bluez_dbus_manager.h"
  20. #include "mojo/public/cpp/bindings/receiver.h"
  21. #include "mojo/public/cpp/bindings/remote.h"
  22. #include "services/device/device_service_test_base.h"
  23. #include "services/device/public/mojom/bluetooth_system.mojom-test-utils.h"
  24. #include "services/device/public/mojom/bluetooth_system.mojom.h"
  25. #include "third_party/abseil-cpp/absl/types/optional.h"
  26. #include "third_party/cros_system_api/dbus/service_constants.h"
  27. namespace device {
  28. namespace {
  29. // Adapter object paths
  30. constexpr const char kDefaultAdapterObjectPathStr[] = "fake/hci0";
  31. constexpr const char kAlternateAdapterObjectPathStr[] = "fake/hci1";
  32. // Device object paths
  33. constexpr const char kDefaultDeviceObjectPathStr[] =
  34. "fake/hci0/dev_00_11_22_AA_BB_CC";
  35. // Device addresses
  36. constexpr const char kDefaultDeviceAddressStr[] = "00:11:22:AA:BB:CC";
  37. constexpr const char kAlternateDeviceAddressStr[] = "AA:BB:CC:DD:EE:FF";
  38. constexpr const std::array<uint8_t, 6> kDefaultDeviceAddressArray = {
  39. 0x00, 0x11, 0x22, 0xAA, 0xBB, 0xCC};
  40. bool GetValueAndReset(absl::optional<bool>* opt) {
  41. absl::optional<bool> tmp;
  42. tmp.swap(*opt);
  43. return tmp.value();
  44. }
  45. struct FakeDeviceOptions {
  46. explicit FakeDeviceOptions(
  47. const std::string& object_path = kDefaultDeviceObjectPathStr)
  48. : object_path(object_path) {}
  49. dbus::ObjectPath object_path;
  50. std::string address{kDefaultDeviceAddressStr};
  51. dbus::ObjectPath adapter_object_path{kDefaultAdapterObjectPathStr};
  52. absl::optional<std::string> name;
  53. bool paired = false;
  54. bool connected = false;
  55. };
  56. // Exposes high-level methods to simulate Bluetooth events e.g. a new adapter
  57. // was added, adapter power state changed, etc.
  58. //
  59. // As opposed to FakeBluetoothAdapterClient, the other fake implementation of
  60. // BluetoothAdapterClient, this class does not have any built-in behavior
  61. // e.g. it won't start triggering device discovery events when StartDiscovery is
  62. // called. It's up to its users to call the relevant Simulate*() method to
  63. // trigger each event.
  64. class DEVICE_BLUETOOTH_EXPORT TestBluetoothAdapterClient
  65. : public bluez::BluetoothAdapterClient {
  66. public:
  67. struct Properties : public bluez::BluetoothAdapterClient::Properties {
  68. explicit Properties(const PropertyChangedCallback& callback)
  69. : BluetoothAdapterClient::Properties(
  70. nullptr, /* object_proxy */
  71. bluetooth_adapter::kBluetoothAdapterInterface,
  72. callback) {}
  73. ~Properties() override = default;
  74. void ResetCallCount() {
  75. set_powered_call_count_ = 0;
  76. last_set_powered_value_.reset();
  77. }
  78. void SetNextSetPoweredResponse(bool next_response) {
  79. DCHECK(!next_set_powered_response_);
  80. next_set_powered_response_ = next_response;
  81. }
  82. bool GetLastSetPoweredValue() { return last_set_powered_value_.value(); }
  83. // dbus::PropertySet override
  84. void Get(dbus::PropertyBase* property,
  85. dbus::PropertySet::GetCallback callback) override {
  86. DVLOG(1) << "Get " << property->name();
  87. NOTIMPLEMENTED();
  88. }
  89. void GetAll() override {
  90. DVLOG(1) << "GetAll";
  91. NOTIMPLEMENTED();
  92. }
  93. void Set(dbus::PropertyBase* property,
  94. dbus::PropertySet::SetCallback callback) override {
  95. DVLOG(1) << "Set " << property->name();
  96. if (property->name() == powered.name()) {
  97. ++set_powered_call_count_;
  98. last_set_powered_value_ = powered.GetSetValueForTesting();
  99. if (next_set_powered_response_) {
  100. std::move(callback).Run(
  101. GetValueAndReset(&next_set_powered_response_));
  102. return;
  103. }
  104. set_powered_callbacks_.push_back(std::move(callback));
  105. } else {
  106. NOTIMPLEMENTED();
  107. }
  108. }
  109. size_t set_powered_call_count_ = 0;
  110. absl::optional<bool> next_set_powered_response_;
  111. absl::optional<bool> last_set_powered_value_;
  112. // Saved `Set('powered')` callbacks. If there is no next response set for a
  113. // `Set()` call, then the callback is saved here. TestBluetoothAdapterClient
  114. // runs all these callbacks after the adapter is removed.
  115. std::deque<base::OnceCallback<void(bool)>> set_powered_callbacks_;
  116. };
  117. TestBluetoothAdapterClient() = default;
  118. ~TestBluetoothAdapterClient() override = default;
  119. void ResetCallCount() {
  120. for (auto& path_to_properties : adapter_object_paths_to_properties_) {
  121. path_to_properties.second->ResetCallCount();
  122. }
  123. for (auto& path_to_call_counts : adapter_object_paths_to_call_counts_) {
  124. path_to_call_counts.second = CallCounts();
  125. }
  126. }
  127. // Low level methods to simulate events and operations. All actions are
  128. // performed for `kDefaultAdapterObjectPathStr` unless a different one is
  129. // specified.
  130. // Simulates a new adapter with |object_path_str|. Its properties are empty,
  131. // 0, or false.
  132. void SimulateAdapterAdded(
  133. const std::string& object_path_str = kDefaultAdapterObjectPathStr) {
  134. dbus::ObjectPath object_path(object_path_str);
  135. auto [it, was_inserted] = adapter_object_paths_to_properties_.emplace(
  136. object_path, std::make_unique<Properties>(base::BindRepeating(
  137. &TestBluetoothAdapterClient::OnPropertyChanged,
  138. base::Unretained(this), object_path)));
  139. DCHECK(was_inserted);
  140. DCHECK(!base::Contains(adapter_object_paths_to_call_counts_, object_path));
  141. adapter_object_paths_to_call_counts_[object_path];
  142. DCHECK(
  143. !base::Contains(adapter_object_paths_to_next_responses_, object_path));
  144. adapter_object_paths_to_next_responses_[object_path];
  145. GetProperties(object_path)->powered.ReplaceValue(false);
  146. GetProperties(object_path)->discovering.ReplaceValue(false);
  147. for (auto& observer : observers_)
  148. observer.AdapterAdded(object_path);
  149. }
  150. // Simulates the adapter at |object_path_str| being removed.
  151. void SimulateAdapterRemoved(
  152. const std::string& object_path_str = kDefaultAdapterObjectPathStr) {
  153. dbus::ObjectPath object_path(object_path_str);
  154. // Properties are set to empty, 0, or false right before AdapterRemoved is
  155. // called.
  156. GetProperties(object_path)->powered.ReplaceValue(false);
  157. GetProperties(object_path)->discovering.ReplaceValue(false);
  158. // When BlueZ calls into AdapterRemoved, the adapter is still exposed
  159. // through GetAdapters() and its properties are still accessible.
  160. for (auto& observer : observers_)
  161. observer.AdapterRemoved(object_path);
  162. auto properties =
  163. std::move(adapter_object_paths_to_properties_[object_path]);
  164. size_t removed = adapter_object_paths_to_properties_.erase(object_path);
  165. DCHECK_EQ(1u, removed);
  166. removed = adapter_object_paths_to_call_counts_.erase(object_path);
  167. DCHECK_EQ(1u, removed);
  168. removed = adapter_object_paths_to_next_responses_.erase(object_path);
  169. DCHECK_EQ(1u, removed);
  170. // After the adapter is removed, any pending Set calls get run with `false`.
  171. for (auto& set_powered_callback : properties->set_powered_callbacks_) {
  172. std::move(set_powered_callback).Run(false);
  173. }
  174. }
  175. // Simulates adapter at |object_path_str| changing its powered state to
  176. // |powered|.
  177. void SimulateAdapterPowerStateChanged(
  178. bool powered,
  179. const std::string& object_path_str = kDefaultAdapterObjectPathStr) {
  180. auto* properties = GetProperties(dbus::ObjectPath(object_path_str));
  181. properties->powered.ReplaceValue(powered);
  182. // After the "powered" property changes to false, BlueZ emits a property
  183. // changed event for "discovering" as well, even if the property was false
  184. // already.
  185. if (!powered)
  186. properties->discovering.ReplaceValue(false);
  187. }
  188. void SetNextSetPoweredResponse(
  189. bool response,
  190. const std::string& object_path_str = kDefaultAdapterObjectPathStr) {
  191. GetProperties(dbus::ObjectPath(object_path_str))
  192. ->SetNextSetPoweredResponse(response);
  193. }
  194. size_t GetSetPoweredCallCount(
  195. const std::string& object_path_str = kDefaultAdapterObjectPathStr) {
  196. auto it = adapter_object_paths_to_properties_.find(
  197. dbus::ObjectPath(object_path_str));
  198. DCHECK(it != adapter_object_paths_to_properties_.end());
  199. return it->second->set_powered_call_count_;
  200. }
  201. bool GetLastSetPoweredValue(
  202. const std::string& object_path_str = kDefaultAdapterObjectPathStr) {
  203. return GetProperties(dbus::ObjectPath(object_path_str))
  204. ->GetLastSetPoweredValue();
  205. }
  206. void SimulateSetPoweredCompleted(
  207. bool success,
  208. const std::string& object_path_str = kDefaultAdapterObjectPathStr) {
  209. auto& callbacks = GetProperties(dbus::ObjectPath(object_path_str))
  210. ->set_powered_callbacks_;
  211. auto callback = std::move(callbacks.front());
  212. callbacks.pop_front();
  213. std::move(callback).Run(success);
  214. }
  215. // Simulates adapter at |object_path_str| changing its discovering state to
  216. // |powered|.
  217. void SimulateAdapterDiscoveringStateChanged(
  218. bool discovering,
  219. const std::string& object_path_str = kDefaultAdapterObjectPathStr) {
  220. GetProperties(dbus::ObjectPath(object_path_str))
  221. ->discovering.ReplaceValue(discovering);
  222. }
  223. void SetNextStartDiscoveryResponse(
  224. bool response,
  225. const std::string& object_path_str = kDefaultAdapterObjectPathStr) {
  226. dbus::ObjectPath object_path(object_path_str);
  227. auto& next_response =
  228. adapter_object_paths_to_next_responses_[object_path].start_discovery;
  229. DCHECK(!next_response.has_value());
  230. next_response = response;
  231. }
  232. size_t GetStartDiscoveryCallCount(
  233. const std::string& object_path_str = kDefaultAdapterObjectPathStr) {
  234. dbus::ObjectPath object_path(object_path_str);
  235. return adapter_object_paths_to_call_counts_[object_path].start_discovery;
  236. }
  237. void SetNextStopDiscoveryResponse(
  238. bool response,
  239. const std::string& object_path_str = kDefaultAdapterObjectPathStr) {
  240. dbus::ObjectPath object_path(object_path_str);
  241. auto& next_response =
  242. adapter_object_paths_to_next_responses_[object_path].stop_discovery;
  243. DCHECK(!next_response.has_value());
  244. next_response = response;
  245. }
  246. size_t GetStopDiscoveryCallCount(
  247. const std::string& object_path_str = kDefaultAdapterObjectPathStr) {
  248. dbus::ObjectPath object_path(object_path_str);
  249. return adapter_object_paths_to_call_counts_[object_path].stop_discovery;
  250. }
  251. // Helper methods to perform multiple common operations.
  252. // Simultes adding an adapter and it changing its state to powered On.
  253. void SimulatePoweredOnAdapter(
  254. const std::string& object_path_str = kDefaultAdapterObjectPathStr) {
  255. SimulateAdapterAdded(object_path_str);
  256. SimulateAdapterPowerStateChanged(true, object_path_str);
  257. }
  258. // BluetoothAdapterClient:
  259. void Init(dbus::Bus* bus,
  260. const std::string& bluetooth_service_name) override {}
  261. void AddObserver(Observer* observer) override {
  262. observers_.AddObserver(observer);
  263. }
  264. void RemoveObserver(Observer* observer) override {
  265. observers_.RemoveObserver(observer);
  266. }
  267. std::vector<dbus::ObjectPath> GetAdapters() override {
  268. std::vector<dbus::ObjectPath> object_paths;
  269. for (const auto& object_path_to_property :
  270. adapter_object_paths_to_properties_) {
  271. object_paths.push_back(object_path_to_property.first);
  272. }
  273. return object_paths;
  274. }
  275. Properties* GetProperties(const dbus::ObjectPath& object_path) override {
  276. auto it = adapter_object_paths_to_properties_.find(object_path);
  277. if (it == adapter_object_paths_to_properties_.end())
  278. return nullptr;
  279. return it->second.get();
  280. }
  281. void StartDiscovery(const dbus::ObjectPath& object_path,
  282. ResponseCallback callback) override {
  283. DCHECK(base::Contains(adapter_object_paths_to_call_counts_, object_path));
  284. ++adapter_object_paths_to_call_counts_[object_path].start_discovery;
  285. DCHECK(
  286. base::Contains(adapter_object_paths_to_next_responses_, object_path));
  287. absl::optional<bool> response;
  288. response.swap(
  289. adapter_object_paths_to_next_responses_[object_path].start_discovery);
  290. if (!response.value()) {
  291. std::move(callback).Run(Error(kUnknownAdapterError, "Unknown error"));
  292. return;
  293. }
  294. std::move(callback).Run(absl::nullopt);
  295. }
  296. void StopDiscovery(const dbus::ObjectPath& object_path,
  297. ResponseCallback callback) override {
  298. DCHECK(base::Contains(adapter_object_paths_to_call_counts_, object_path));
  299. ++adapter_object_paths_to_call_counts_[object_path].stop_discovery;
  300. DCHECK(
  301. base::Contains(adapter_object_paths_to_next_responses_, object_path));
  302. absl::optional<bool> response;
  303. response.swap(
  304. adapter_object_paths_to_next_responses_[object_path].stop_discovery);
  305. if (!response.value()) {
  306. std::move(callback).Run(Error(kUnknownAdapterError, "Unknown error"));
  307. return;
  308. }
  309. std::move(callback).Run(absl::nullopt);
  310. }
  311. void RemoveDevice(const dbus::ObjectPath& object_path,
  312. const dbus::ObjectPath& device_path,
  313. base::OnceClosure callback,
  314. ErrorCallback error_callback) override {
  315. NOTIMPLEMENTED();
  316. }
  317. void SetDiscoveryFilter(const dbus::ObjectPath& object_path,
  318. const DiscoveryFilter& discovery_filter,
  319. base::OnceClosure callback,
  320. ErrorCallback error_callback) override {
  321. NOTIMPLEMENTED();
  322. }
  323. void CreateServiceRecord(const dbus::ObjectPath& object_path,
  324. const bluez::BluetoothServiceRecordBlueZ& record,
  325. ServiceRecordCallback callback,
  326. ErrorCallback error_callback) override {
  327. NOTIMPLEMENTED();
  328. }
  329. void RemoveServiceRecord(const dbus::ObjectPath& object_path,
  330. uint32_t handle,
  331. base::OnceClosure callback,
  332. ErrorCallback error_callback) override {
  333. NOTIMPLEMENTED();
  334. }
  335. void ConnectDevice(const dbus::ObjectPath& object_path,
  336. const std::string& address,
  337. const absl::optional<AddressType>& address_type,
  338. ConnectDeviceCallback callback,
  339. ErrorCallback error_callback) override {
  340. NOTIMPLEMENTED();
  341. }
  342. private:
  343. // Keeps track of how many times methods have been called.
  344. struct CallCounts {
  345. size_t start_discovery;
  346. size_t stop_discovery;
  347. };
  348. // Keeps track of the responses to send when a method is called.
  349. struct NextResponses {
  350. NextResponses() = default;
  351. ~NextResponses() = default;
  352. absl::optional<bool> start_discovery;
  353. absl::optional<bool> stop_discovery;
  354. };
  355. void OnPropertyChanged(const dbus::ObjectPath& object_path,
  356. const std::string& property_name) {
  357. for (auto& observer : observers_) {
  358. observer.AdapterPropertyChanged(object_path, property_name);
  359. }
  360. }
  361. using ObjectPathToProperties =
  362. std::map<dbus::ObjectPath, std::unique_ptr<Properties>>;
  363. ObjectPathToProperties adapter_object_paths_to_properties_;
  364. // Keeps track of how many times each method has been called for a specific
  365. // adapter ObjectPath.
  366. std::map<dbus::ObjectPath, CallCounts> adapter_object_paths_to_call_counts_;
  367. // Keeps track of the next responses to send when methods are called for a
  368. // specific adapter ObjectPath.
  369. std::map<dbus::ObjectPath, NextResponses>
  370. adapter_object_paths_to_next_responses_;
  371. base::ObserverList<Observer>::Unchecked observers_;
  372. };
  373. // Exposes high-level methods to simulate Bluetooth device events e.g. a new
  374. // device was added, device connected, etc.
  375. //
  376. // As opposed to FakeBluetoothDeviceClient, the other fake implementation of
  377. // BluetoothDeviceClient, this class does not have any built-in behavior
  378. // e.g. it won't start triggering device discovery events when StartDiscovery is
  379. // called. It's up to its users to call the relevant Simulate*() method to
  380. // trigger each event.
  381. class DEVICE_BLUETOOTH_EXPORT TestBluetoothDeviceClient
  382. : public bluez::BluetoothDeviceClient {
  383. public:
  384. struct Properties : public bluez::BluetoothDeviceClient::Properties {
  385. explicit Properties(const PropertyChangedCallback& callback)
  386. : BluetoothDeviceClient::Properties(
  387. nullptr /* object_proxy */,
  388. bluetooth_device::kBluetoothDeviceInterface,
  389. callback) {}
  390. ~Properties() override = default;
  391. // dbus::PropertySet
  392. void Get(dbus::PropertyBase* property,
  393. dbus::PropertySet::GetCallback callback) override {
  394. DVLOG(1) << "Get " << property->name();
  395. NOTIMPLEMENTED();
  396. }
  397. void GetAll() override {
  398. DVLOG(1) << "GetAll";
  399. NOTIMPLEMENTED();
  400. }
  401. void Set(dbus::PropertyBase* property,
  402. dbus::PropertySet::SetCallback callback) override {
  403. DVLOG(1) << "Set " << property->name();
  404. NOTIMPLEMENTED();
  405. }
  406. };
  407. TestBluetoothDeviceClient() = default;
  408. ~TestBluetoothDeviceClient() override = default;
  409. void SimulateDeviceAdded(const FakeDeviceOptions& options) {
  410. auto [it, was_inserted] = device_object_paths_to_properties_.emplace(
  411. options.object_path,
  412. std::make_unique<Properties>(
  413. base::BindLambdaForTesting([&](const std::string& property_name) {
  414. for (auto& observer : observers_)
  415. observer.DevicePropertyChanged(options.object_path,
  416. property_name);
  417. })));
  418. DCHECK(was_inserted);
  419. auto* properties = GetProperties(options.object_path);
  420. properties->address.ReplaceValue(options.address);
  421. if (options.name) {
  422. properties->name.set_valid(true);
  423. properties->name.ReplaceValue(options.name.value());
  424. }
  425. properties->paired.ReplaceValue(options.paired);
  426. properties->connected.ReplaceValue(options.connected);
  427. properties->adapter.ReplaceValue(options.adapter_object_path);
  428. for (auto& observer : observers_)
  429. observer.DeviceAdded(options.object_path);
  430. }
  431. // bluez::BluetoothDeviceClient
  432. void Init(dbus::Bus* bus,
  433. const std::string& bluetooth_service_name) override {}
  434. void AddObserver(Observer* observer) override {
  435. observers_.AddObserver(observer);
  436. }
  437. void RemoveObserver(Observer* observer) override {
  438. observers_.RemoveObserver(observer);
  439. }
  440. std::vector<dbus::ObjectPath> GetDevicesForAdapter(
  441. const dbus::ObjectPath& adapter_path) override {
  442. std::vector<dbus::ObjectPath> devices;
  443. for (const auto& path_and_properties : device_object_paths_to_properties_) {
  444. if (path_and_properties.second->adapter.value() == adapter_path)
  445. devices.push_back(path_and_properties.first);
  446. }
  447. return devices;
  448. }
  449. Properties* GetProperties(const dbus::ObjectPath& object_path) override {
  450. auto it = device_object_paths_to_properties_.find(object_path);
  451. if (it == device_object_paths_to_properties_.end())
  452. return nullptr;
  453. return it->second.get();
  454. }
  455. void Connect(const dbus::ObjectPath& object_path,
  456. base::OnceClosure callback,
  457. ErrorCallback error_callback) override {
  458. NOTIMPLEMENTED();
  459. }
  460. void ConnectClassic(const dbus::ObjectPath& object_path,
  461. base::OnceClosure callback,
  462. ErrorCallback error_callback) override {
  463. NOTIMPLEMENTED();
  464. }
  465. void ConnectLE(const dbus::ObjectPath& object_path,
  466. base::OnceClosure callback,
  467. ErrorCallback error_callback) override {
  468. NOTIMPLEMENTED();
  469. }
  470. void Disconnect(const dbus::ObjectPath& object_path,
  471. base::OnceClosure callback,
  472. ErrorCallback error_callback) override {
  473. NOTIMPLEMENTED();
  474. }
  475. void DisconnectLE(const dbus::ObjectPath& object_path,
  476. base::OnceClosure callback,
  477. ErrorCallback error_callback) override {
  478. NOTIMPLEMENTED();
  479. }
  480. void ConnectProfile(const dbus::ObjectPath& object_path,
  481. const std::string& uuid,
  482. base::OnceClosure callback,
  483. ErrorCallback error_callback) override {
  484. NOTIMPLEMENTED();
  485. }
  486. void DisconnectProfile(const dbus::ObjectPath& object_path,
  487. const std::string& uuid,
  488. base::OnceClosure callback,
  489. ErrorCallback error_callback) override {
  490. NOTIMPLEMENTED();
  491. }
  492. void Pair(const dbus::ObjectPath& object_path,
  493. base::OnceClosure callback,
  494. ErrorCallback error_callback) override {
  495. NOTIMPLEMENTED();
  496. }
  497. void CancelPairing(const dbus::ObjectPath& object_path,
  498. base::OnceClosure callback,
  499. ErrorCallback error_callback) override {
  500. NOTIMPLEMENTED();
  501. }
  502. void GetConnInfo(const dbus::ObjectPath& object_path,
  503. ConnInfoCallback callback,
  504. ErrorCallback error_callback) override {
  505. NOTIMPLEMENTED();
  506. }
  507. void SetLEConnectionParameters(const dbus::ObjectPath& object_path,
  508. const ConnectionParameters& conn_params,
  509. base::OnceClosure callback,
  510. ErrorCallback error_callback) override {
  511. NOTIMPLEMENTED();
  512. }
  513. void GetServiceRecords(const dbus::ObjectPath& object_path,
  514. ServiceRecordsCallback callback,
  515. ErrorCallback error_callback) override {
  516. NOTIMPLEMENTED();
  517. }
  518. void ExecuteWrite(const dbus::ObjectPath& object_path,
  519. base::OnceClosure callback,
  520. ErrorCallback error_callback) override {
  521. NOTIMPLEMENTED();
  522. }
  523. void AbortWrite(const dbus::ObjectPath& object_path,
  524. base::OnceClosure callback,
  525. ErrorCallback error_callback) override {
  526. NOTIMPLEMENTED();
  527. }
  528. private:
  529. using ObjectPathToProperties =
  530. std::map<dbus::ObjectPath, std::unique_ptr<Properties>>;
  531. ObjectPathToProperties device_object_paths_to_properties_;
  532. base::ObserverList<Observer>::Unchecked observers_;
  533. };
  534. // Exposes high-level methods to retrieve Bluetooth device admin policy info.
  535. class DEVICE_BLUETOOTH_EXPORT TestBluetoothAdminPolicyClient
  536. : public bluez::BluetoothAdminPolicyClient {
  537. public:
  538. struct Properties : public bluez::BluetoothAdminPolicyClient::Properties {
  539. explicit Properties(const PropertyChangedCallback& callback)
  540. : BluetoothAdminPolicyClient::Properties(
  541. /*object_proxy=*/nullptr,
  542. bluetooth_admin_policy::kBluetoothAdminPolicyStatusInterface,
  543. callback) {}
  544. ~Properties() override = default;
  545. // dbus::PropertySet
  546. void Get(dbus::PropertyBase* property,
  547. dbus::PropertySet::GetCallback callback) override {
  548. NOTIMPLEMENTED() << "Get " << property->name();
  549. }
  550. void GetAll() override { NOTIMPLEMENTED() << "GetAll"; }
  551. void Set(dbus::PropertyBase* property,
  552. dbus::PropertySet::SetCallback callback) override {
  553. NOTIMPLEMENTED() << "Set " << property->name();
  554. }
  555. };
  556. TestBluetoothAdminPolicyClient() = default;
  557. ~TestBluetoothAdminPolicyClient() override = default;
  558. void SimulateAdminPolicyAdded(const dbus::ObjectPath& object_path,
  559. bool is_blocked_by_policy) {
  560. auto [it, was_inserted] = device_object_paths_to_properties_.emplace(
  561. object_path,
  562. std::make_unique<Properties>(
  563. base::BindLambdaForTesting([&](const std::string& property_name) {
  564. for (auto& observer : observers_)
  565. observer.AdminPolicyPropertyChanged(object_path, property_name);
  566. })));
  567. DCHECK(was_inserted);
  568. auto* properties = GetProperties(object_path);
  569. properties->is_blocked_by_policy.ReplaceValue(is_blocked_by_policy);
  570. properties->is_blocked_by_policy.set_valid(true);
  571. for (auto& observer : observers_)
  572. observer.AdminPolicyAdded(object_path);
  573. }
  574. // bluez::BluetoothAdminPolicyClient
  575. void Init(dbus::Bus* bus,
  576. const std::string& bluetooth_service_name) override {}
  577. void AddObserver(Observer* observer) override {
  578. observers_.AddObserver(observer);
  579. }
  580. void RemoveObserver(Observer* observer) override {
  581. observers_.RemoveObserver(observer);
  582. }
  583. Properties* GetProperties(const dbus::ObjectPath& object_path) override {
  584. auto it = device_object_paths_to_properties_.find(object_path);
  585. if (it == device_object_paths_to_properties_.end())
  586. return nullptr;
  587. return it->second.get();
  588. }
  589. void SetServiceAllowList(const dbus::ObjectPath& object_path,
  590. const UUIDList& service_uuids,
  591. base::OnceClosure callback,
  592. ErrorCallback error_callback) override {
  593. NOTIMPLEMENTED() << "SetServiceAllowList";
  594. }
  595. private:
  596. using ObjectPathToProperties =
  597. std::map<dbus::ObjectPath, std::unique_ptr<Properties>>;
  598. ObjectPathToProperties device_object_paths_to_properties_;
  599. base::ObserverList<Observer>::Unchecked observers_;
  600. };
  601. } // namespace
  602. class BluetoothSystemTest : public DeviceServiceTestBase,
  603. public mojom::BluetoothSystemClient {
  604. public:
  605. BluetoothSystemTest() = default;
  606. BluetoothSystemTest(const BluetoothSystemTest&) = delete;
  607. BluetoothSystemTest& operator=(const BluetoothSystemTest&) = delete;
  608. ~BluetoothSystemTest() override = default;
  609. void SetUp() override {
  610. DeviceServiceTestBase::SetUp();
  611. device_service()->BindBluetoothSystemFactory(
  612. system_factory_.BindNewPipeAndPassReceiver());
  613. auto test_bluetooth_adapter_client =
  614. std::make_unique<TestBluetoothAdapterClient>();
  615. test_bluetooth_adapter_client_ = test_bluetooth_adapter_client.get();
  616. auto test_bluetooth_admin_policy_client =
  617. std::make_unique<TestBluetoothAdminPolicyClient>();
  618. test_bluetooth_admin_policy_client_ =
  619. test_bluetooth_admin_policy_client.get();
  620. auto test_bluetooth_device_client =
  621. std::make_unique<TestBluetoothDeviceClient>();
  622. test_bluetooth_device_client_ = test_bluetooth_device_client.get();
  623. std::unique_ptr<bluez::BluezDBusManagerSetter> dbus_setter =
  624. bluez::BluezDBusManager::GetSetterForTesting();
  625. dbus_setter->SetAlternateBluetoothAdapterClient(
  626. std::move(test_bluetooth_adapter_client));
  627. dbus_setter->SetAlternateBluetoothAdminPolicyClient(
  628. std::move(test_bluetooth_admin_policy_client));
  629. dbus_setter->SetAlternateBluetoothDeviceClient(
  630. std::move(test_bluetooth_device_client));
  631. }
  632. // Helper methods to avoid AsyncWaiter boilerplate.
  633. mojom::BluetoothSystem::State GetStateAndWait(
  634. mojom::BluetoothSystem* system) {
  635. mojom::BluetoothSystemAsyncWaiter async_waiter(system);
  636. mojom::BluetoothSystem::State state;
  637. async_waiter.GetState(&state);
  638. return state;
  639. }
  640. mojom::BluetoothSystem::SetPoweredResult SetPoweredAndWait(
  641. mojom::BluetoothSystem* system,
  642. bool powered) {
  643. mojom::BluetoothSystemAsyncWaiter async_waiter(system);
  644. mojom::BluetoothSystem::SetPoweredResult result;
  645. async_waiter.SetPowered(powered, &result);
  646. return result;
  647. }
  648. mojom::BluetoothSystem::ScanState GetScanStateAndWait(
  649. mojom::BluetoothSystem* system) {
  650. mojom::BluetoothSystemAsyncWaiter async_waiter(system);
  651. mojom::BluetoothSystem::ScanState scan_state;
  652. async_waiter.GetScanState(&scan_state);
  653. return scan_state;
  654. }
  655. mojom::BluetoothSystem::StartScanResult StartScanAndWait(
  656. mojom::BluetoothSystem* system) {
  657. mojom::BluetoothSystemAsyncWaiter async_waiter(system);
  658. mojom::BluetoothSystem::StartScanResult result;
  659. async_waiter.StartScan(&result);
  660. return result;
  661. }
  662. mojom::BluetoothSystem::StopScanResult StopScanAndWait(
  663. mojom::BluetoothSystem* system) {
  664. mojom::BluetoothSystemAsyncWaiter async_waiter(system);
  665. mojom::BluetoothSystem::StopScanResult result;
  666. async_waiter.StopScan(&result);
  667. return result;
  668. }
  669. std::vector<mojom::BluetoothDeviceInfoPtr> GetAvailableDevicesAndWait(
  670. mojom::BluetoothSystem* system) {
  671. mojom::BluetoothSystemAsyncWaiter async_waiter(system);
  672. std::vector<mojom::BluetoothDeviceInfoPtr> devices;
  673. async_waiter.GetAvailableDevices(&devices);
  674. return devices;
  675. }
  676. // mojom::BluetoothSystemClient
  677. void OnStateChanged(mojom::BluetoothSystem::State state) override {
  678. on_state_changed_states_.push_back(state);
  679. }
  680. void OnScanStateChanged(mojom::BluetoothSystem::ScanState state) override {
  681. on_scan_state_changed_states_.push_back(state);
  682. }
  683. protected:
  684. mojo::Remote<mojom::BluetoothSystem> CreateBluetoothSystem() {
  685. mojo::Remote<mojom::BluetoothSystem> system;
  686. system_factory_->Create(system.BindNewPipeAndPassReceiver(),
  687. system_client_receiver_.BindNewPipeAndPassRemote());
  688. return system;
  689. }
  690. void ResetResults() {
  691. on_state_changed_states_.clear();
  692. on_scan_state_changed_states_.clear();
  693. }
  694. // Saves the states passed to OnStateChanged.
  695. using StateVector = std::vector<mojom::BluetoothSystem::State>;
  696. StateVector on_state_changed_states_;
  697. // Saves the states passed to OnScanStateChanged.
  698. using ScanStateVector = std::vector<mojom::BluetoothSystem::ScanState>;
  699. ScanStateVector on_scan_state_changed_states_;
  700. mojo::Remote<mojom::BluetoothSystemFactory> system_factory_;
  701. TestBluetoothAdapterClient* test_bluetooth_adapter_client_;
  702. TestBluetoothAdminPolicyClient* test_bluetooth_admin_policy_client_;
  703. TestBluetoothDeviceClient* test_bluetooth_device_client_;
  704. mojo::Receiver<mojom::BluetoothSystemClient> system_client_receiver_{this};
  705. };
  706. // Tests that the Create method for BluetoothSystemFactory works.
  707. TEST_F(BluetoothSystemTest, FactoryCreate) {
  708. mojo::Remote<mojom::BluetoothSystem> system;
  709. mojo::Receiver<mojom::BluetoothSystemClient> client_receiver(this);
  710. EXPECT_FALSE(system.is_bound());
  711. system_factory_->Create(system.BindNewPipeAndPassReceiver(),
  712. client_receiver.BindNewPipeAndPassRemote());
  713. base::RunLoop run_loop;
  714. system.FlushAsyncForTesting(run_loop.QuitClosure());
  715. run_loop.Run();
  716. EXPECT_TRUE(system.is_bound());
  717. }
  718. // Tests that the state is 'Unavailable' when there is no Bluetooth adapter
  719. // present.
  720. TEST_F(BluetoothSystemTest, State_NoAdapter) {
  721. auto system = CreateBluetoothSystem();
  722. EXPECT_EQ(mojom::BluetoothSystem::State::kUnavailable,
  723. GetStateAndWait(system.get()));
  724. EXPECT_TRUE(on_state_changed_states_.empty());
  725. }
  726. // Tests that the state is "Off" when the Bluetooth adapter is powered off.
  727. TEST_F(BluetoothSystemTest, State_PoweredOffAdapter) {
  728. test_bluetooth_adapter_client_->SimulateAdapterAdded();
  729. // Added adapters are Off by default.
  730. auto system = CreateBluetoothSystem();
  731. EXPECT_EQ(mojom::BluetoothSystem::State::kPoweredOff,
  732. GetStateAndWait(system.get()));
  733. EXPECT_TRUE(on_state_changed_states_.empty());
  734. }
  735. // Tests that the state is "On" when the Bluetooth adapter is powered on.
  736. TEST_F(BluetoothSystemTest, State_PoweredOnAdapter) {
  737. test_bluetooth_adapter_client_->SimulatePoweredOnAdapter();
  738. auto system = CreateBluetoothSystem();
  739. EXPECT_EQ(mojom::BluetoothSystem::State::kPoweredOn,
  740. GetStateAndWait(system.get()));
  741. EXPECT_TRUE(on_state_changed_states_.empty());
  742. }
  743. // Tests that the state changes to On when the adapter turns on and then changes
  744. // to Off when the adapter turns off.
  745. TEST_F(BluetoothSystemTest, State_PoweredOnThenOff) {
  746. test_bluetooth_adapter_client_->SimulateAdapterAdded();
  747. auto system = CreateBluetoothSystem();
  748. // The adapter is initially powered off.
  749. EXPECT_EQ(mojom::BluetoothSystem::State::kPoweredOff,
  750. GetStateAndWait(system.get()));
  751. EXPECT_TRUE(on_state_changed_states_.empty());
  752. // Turn adapter on.
  753. test_bluetooth_adapter_client_->SimulateAdapterPowerStateChanged(true);
  754. EXPECT_EQ(mojom::BluetoothSystem::State::kPoweredOn,
  755. GetStateAndWait(system.get()));
  756. EXPECT_EQ(StateVector({mojom::BluetoothSystem::State::kPoweredOn}),
  757. on_state_changed_states_);
  758. ResetResults();
  759. // Turn adapter off.
  760. test_bluetooth_adapter_client_->SimulateAdapterPowerStateChanged(false);
  761. EXPECT_EQ(mojom::BluetoothSystem::State::kPoweredOff,
  762. GetStateAndWait(system.get()));
  763. EXPECT_EQ(StateVector({mojom::BluetoothSystem::State::kPoweredOff}),
  764. on_state_changed_states_);
  765. }
  766. // Tests that the state is updated as expected when removing and re-adding the
  767. // same adapter.
  768. TEST_F(BluetoothSystemTest, State_AdapterRemoved) {
  769. test_bluetooth_adapter_client_->SimulatePoweredOnAdapter();
  770. auto system = CreateBluetoothSystem();
  771. // The adapter is initially powered on.
  772. EXPECT_EQ(mojom::BluetoothSystem::State::kPoweredOn,
  773. GetStateAndWait(system.get()));
  774. EXPECT_TRUE(on_state_changed_states_.empty());
  775. // Remove the adapter. The state should change to Unavailable.
  776. test_bluetooth_adapter_client_->SimulateAdapterRemoved();
  777. EXPECT_EQ(mojom::BluetoothSystem::State::kUnavailable,
  778. GetStateAndWait(system.get()));
  779. EXPECT_EQ(StateVector({mojom::BluetoothSystem::State::kPoweredOff,
  780. mojom::BluetoothSystem::State::kUnavailable}),
  781. on_state_changed_states_);
  782. ResetResults();
  783. // Add the adapter again; it's off by default.
  784. test_bluetooth_adapter_client_->SimulateAdapterAdded();
  785. EXPECT_EQ(mojom::BluetoothSystem::State::kPoweredOff,
  786. GetStateAndWait(system.get()));
  787. EXPECT_EQ(StateVector({mojom::BluetoothSystem::State::kPoweredOff}),
  788. on_state_changed_states_);
  789. }
  790. // Tests that the state is updated as expected when replacing the adapter with a
  791. // different adapter.
  792. TEST_F(BluetoothSystemTest, State_AdapterReplaced) {
  793. // Start with a powered on adapter.
  794. test_bluetooth_adapter_client_->SimulatePoweredOnAdapter(
  795. kDefaultAdapterObjectPathStr);
  796. auto system = CreateBluetoothSystem();
  797. EXPECT_EQ(mojom::BluetoothSystem::State::kPoweredOn,
  798. GetStateAndWait(system.get()));
  799. EXPECT_TRUE(on_state_changed_states_.empty());
  800. // Remove the adapter. The state should change to Unavailable.
  801. test_bluetooth_adapter_client_->SimulateAdapterRemoved(
  802. kDefaultAdapterObjectPathStr);
  803. EXPECT_EQ(mojom::BluetoothSystem::State::kUnavailable,
  804. GetStateAndWait(system.get()));
  805. EXPECT_EQ(StateVector({mojom::BluetoothSystem::State::kPoweredOff,
  806. mojom::BluetoothSystem::State::kUnavailable}),
  807. on_state_changed_states_);
  808. ResetResults();
  809. // Add a different adapter. It's off by default.
  810. test_bluetooth_adapter_client_->SimulateAdapterAdded(
  811. kAlternateAdapterObjectPathStr);
  812. EXPECT_EQ(mojom::BluetoothSystem::State::kPoweredOff,
  813. GetStateAndWait(system.get()));
  814. EXPECT_EQ(StateVector({mojom::BluetoothSystem::State::kPoweredOff}),
  815. on_state_changed_states_);
  816. }
  817. // Tests that the state is correctly updated when adding and removing multiple
  818. // adapters.
  819. TEST_F(BluetoothSystemTest, State_AddAndRemoveMultipleAdapters) {
  820. // Start with a powered on default adapter.
  821. test_bluetooth_adapter_client_->SimulatePoweredOnAdapter(
  822. kDefaultAdapterObjectPathStr);
  823. auto system = CreateBluetoothSystem();
  824. // The default adapter is initially powered on.
  825. EXPECT_EQ(mojom::BluetoothSystem::State::kPoweredOn,
  826. GetStateAndWait(system.get()));
  827. EXPECT_TRUE(on_state_changed_states_.empty());
  828. // Add an alternate adapter. The state should not change.
  829. test_bluetooth_adapter_client_->SimulateAdapterAdded(
  830. kAlternateAdapterObjectPathStr);
  831. EXPECT_EQ(mojom::BluetoothSystem::State::kPoweredOn,
  832. GetStateAndWait(system.get()));
  833. EXPECT_TRUE(on_state_changed_states_.empty());
  834. // Remove the default adapter. We should retrieve the state from the
  835. // alternate adapter..
  836. test_bluetooth_adapter_client_->SimulateAdapterRemoved(
  837. kDefaultAdapterObjectPathStr);
  838. EXPECT_EQ(mojom::BluetoothSystem::State::kPoweredOff,
  839. GetStateAndWait(system.get()));
  840. EXPECT_EQ(StateVector({mojom::BluetoothSystem::State::kPoweredOff}),
  841. on_state_changed_states_);
  842. ResetResults();
  843. // Change the alternate adapter's state to On.
  844. test_bluetooth_adapter_client_->SimulateAdapterPowerStateChanged(
  845. true, kAlternateAdapterObjectPathStr);
  846. EXPECT_EQ(mojom::BluetoothSystem::State::kPoweredOn,
  847. GetStateAndWait(system.get()));
  848. EXPECT_EQ(StateVector({mojom::BluetoothSystem::State::kPoweredOn}),
  849. on_state_changed_states_);
  850. ResetResults();
  851. // Add the default adapter again. We should still retrieve the state from
  852. // the alternate adapter.
  853. test_bluetooth_adapter_client_->SimulateAdapterAdded(
  854. kDefaultAdapterObjectPathStr);
  855. EXPECT_EQ(mojom::BluetoothSystem::State::kPoweredOn,
  856. GetStateAndWait(system.get()));
  857. EXPECT_TRUE(on_state_changed_states_.empty());
  858. }
  859. // Tests that an extra adapter changing state does not interfer with the state.
  860. TEST_F(BluetoothSystemTest, State_ChangeStateMultipleAdapters) {
  861. // Start with a powered on default adapter.
  862. test_bluetooth_adapter_client_->SimulatePoweredOnAdapter(
  863. kDefaultAdapterObjectPathStr);
  864. auto system = CreateBluetoothSystem();
  865. // The default adapter is initially powered on.
  866. EXPECT_EQ(mojom::BluetoothSystem::State::kPoweredOn,
  867. GetStateAndWait(system.get()));
  868. EXPECT_TRUE(on_state_changed_states_.empty());
  869. // Add an extra alternate adapter. The state should not change.
  870. test_bluetooth_adapter_client_->SimulateAdapterAdded(
  871. kAlternateAdapterObjectPathStr);
  872. EXPECT_EQ(mojom::BluetoothSystem::State::kPoweredOn,
  873. GetStateAndWait(system.get()));
  874. EXPECT_TRUE(on_state_changed_states_.empty());
  875. // Turn the alternate adapter on. The state should not change.
  876. test_bluetooth_adapter_client_->SimulateAdapterPowerStateChanged(
  877. true, kAlternateAdapterObjectPathStr);
  878. EXPECT_EQ(mojom::BluetoothSystem::State::kPoweredOn,
  879. GetStateAndWait(system.get()));
  880. EXPECT_TRUE(on_state_changed_states_.empty());
  881. // Turn the alternate adapter off. The state should not change.
  882. test_bluetooth_adapter_client_->SimulateAdapterPowerStateChanged(
  883. false, kAlternateAdapterObjectPathStr);
  884. EXPECT_EQ(mojom::BluetoothSystem::State::kPoweredOn,
  885. GetStateAndWait(system.get()));
  886. EXPECT_TRUE(on_state_changed_states_.empty());
  887. }
  888. // Tests that SetPowered fails if there is no adapter.
  889. TEST_F(BluetoothSystemTest, SetPowered_NoAdapter) {
  890. auto system = CreateBluetoothSystem();
  891. EXPECT_EQ(
  892. mojom::BluetoothSystem::SetPoweredResult::kFailedBluetoothUnavailable,
  893. SetPoweredAndWait(system.get(), false));
  894. EXPECT_EQ(
  895. mojom::BluetoothSystem::SetPoweredResult::kFailedBluetoothUnavailable,
  896. SetPoweredAndWait(system.get(), false));
  897. }
  898. // Tests setting powered to "Off" when the adapter is "Off" already.
  899. TEST_F(BluetoothSystemTest, SetPoweredOff_SucceedsAdapterInitiallyOff) {
  900. test_bluetooth_adapter_client_->SimulateAdapterAdded();
  901. // Added adapters are Off by default.
  902. auto system = CreateBluetoothSystem();
  903. // The adapter is initially "Off" so a call to turn it "Off" should have no
  904. // effect but the call should still succeed.
  905. EXPECT_EQ(mojom::BluetoothSystem::SetPoweredResult::kSuccess,
  906. SetPoweredAndWait(system.get(), false));
  907. EXPECT_EQ(0u, test_bluetooth_adapter_client_->GetSetPoweredCallCount());
  908. }
  909. // Tests setting powered to "On" when the adapter is "On" already.
  910. TEST_F(BluetoothSystemTest, SetPoweredOn_SucceedsAdapterInitiallyOn) {
  911. test_bluetooth_adapter_client_->SimulatePoweredOnAdapter();
  912. auto system = CreateBluetoothSystem();
  913. // The adapter is initially "On" so a call to turn it "On" should have no
  914. // effect but the call should still succeed.
  915. EXPECT_EQ(mojom::BluetoothSystem::SetPoweredResult::kSuccess,
  916. SetPoweredAndWait(system.get(), true));
  917. EXPECT_EQ(0u, test_bluetooth_adapter_client_->GetSetPoweredCallCount());
  918. }
  919. // Tests successfully setting powered to "Off when the adapter is "On".
  920. TEST_F(BluetoothSystemTest, SetPoweredOff_SucceedsAdapterInitiallyOn) {
  921. test_bluetooth_adapter_client_->SimulatePoweredOnAdapter();
  922. auto system = CreateBluetoothSystem();
  923. EXPECT_EQ(mojom::BluetoothSystem::State::kPoweredOn,
  924. GetStateAndWait(system.get()));
  925. // Try to power off the adapter.
  926. test_bluetooth_adapter_client_->SetNextSetPoweredResponse(true);
  927. EXPECT_EQ(mojom::BluetoothSystem::SetPoweredResult::kSuccess,
  928. SetPoweredAndWait(system.get(), false));
  929. EXPECT_EQ(1u, test_bluetooth_adapter_client_->GetSetPoweredCallCount());
  930. EXPECT_FALSE(test_bluetooth_adapter_client_->GetLastSetPoweredValue());
  931. EXPECT_EQ(mojom::BluetoothSystem::State::kTransitioning,
  932. GetStateAndWait(system.get()));
  933. EXPECT_EQ(StateVector({mojom::BluetoothSystem::State::kTransitioning}),
  934. on_state_changed_states_);
  935. ResetResults();
  936. // Simulate the adapter actually powering off.
  937. test_bluetooth_adapter_client_->SimulateAdapterPowerStateChanged(false);
  938. EXPECT_EQ(mojom::BluetoothSystem::State::kPoweredOff,
  939. GetStateAndWait(system.get()));
  940. EXPECT_EQ(StateVector({mojom::BluetoothSystem::State::kPoweredOff}),
  941. on_state_changed_states_);
  942. }
  943. // Tests successfully setting powered to "On" when the adapter is "Off".
  944. TEST_F(BluetoothSystemTest, SetPoweredOn_SucceedsAdapterInitiallyOff) {
  945. test_bluetooth_adapter_client_->SimulateAdapterAdded();
  946. // Added adapters are Off by default.
  947. auto system = CreateBluetoothSystem();
  948. // Try to power on the adapter.
  949. test_bluetooth_adapter_client_->SetNextSetPoweredResponse(true);
  950. EXPECT_EQ(mojom::BluetoothSystem::SetPoweredResult::kSuccess,
  951. SetPoweredAndWait(system.get(), true));
  952. EXPECT_EQ(1u, test_bluetooth_adapter_client_->GetSetPoweredCallCount());
  953. EXPECT_TRUE(test_bluetooth_adapter_client_->GetLastSetPoweredValue());
  954. EXPECT_EQ(mojom::BluetoothSystem::State::kTransitioning,
  955. GetStateAndWait(system.get()));
  956. EXPECT_EQ(StateVector({mojom::BluetoothSystem::State::kTransitioning}),
  957. on_state_changed_states_);
  958. ResetResults();
  959. // Simulate the adapter actually powering on.
  960. test_bluetooth_adapter_client_->SimulateAdapterPowerStateChanged(true);
  961. EXPECT_EQ(mojom::BluetoothSystem::State::kPoweredOn,
  962. GetStateAndWait(system.get()));
  963. EXPECT_EQ(StateVector({mojom::BluetoothSystem::State::kPoweredOn}),
  964. on_state_changed_states_);
  965. }
  966. // Tests failing to set powered to "Off when the adapter is "On".
  967. TEST_F(BluetoothSystemTest, SetPoweredOff_FailsAdapterInitiallyOn) {
  968. test_bluetooth_adapter_client_->SimulatePoweredOnAdapter();
  969. auto system = CreateBluetoothSystem();
  970. EXPECT_EQ(mojom::BluetoothSystem::State::kPoweredOn,
  971. GetStateAndWait(system.get()));
  972. test_bluetooth_adapter_client_->SetNextSetPoweredResponse(false);
  973. EXPECT_EQ(mojom::BluetoothSystem::SetPoweredResult::kFailedUnknownReason,
  974. SetPoweredAndWait(system.get(), false));
  975. EXPECT_EQ(1u, test_bluetooth_adapter_client_->GetSetPoweredCallCount());
  976. EXPECT_FALSE(test_bluetooth_adapter_client_->GetLastSetPoweredValue());
  977. EXPECT_EQ(mojom::BluetoothSystem::State::kPoweredOn,
  978. GetStateAndWait(system.get()));
  979. EXPECT_EQ(StateVector({mojom::BluetoothSystem::State::kTransitioning,
  980. mojom::BluetoothSystem::State::kPoweredOn}),
  981. on_state_changed_states_);
  982. }
  983. // Tests failing to set powered to "On" when the adapter is "Off".
  984. TEST_F(BluetoothSystemTest, SetPoweredOn_FailsAdapterInitiallyOff) {
  985. test_bluetooth_adapter_client_->SimulateAdapterAdded();
  986. // Added adapters are Off by default.
  987. auto system = CreateBluetoothSystem();
  988. test_bluetooth_adapter_client_->SetNextSetPoweredResponse(false);
  989. EXPECT_EQ(mojom::BluetoothSystem::SetPoweredResult::kFailedUnknownReason,
  990. SetPoweredAndWait(system.get(), true));
  991. EXPECT_EQ(1u, test_bluetooth_adapter_client_->GetSetPoweredCallCount());
  992. EXPECT_TRUE(test_bluetooth_adapter_client_->GetLastSetPoweredValue());
  993. EXPECT_EQ(mojom::BluetoothSystem::State::kPoweredOff,
  994. GetStateAndWait(system.get()));
  995. EXPECT_EQ(StateVector({mojom::BluetoothSystem::State::kTransitioning,
  996. mojom::BluetoothSystem::State::kPoweredOff}),
  997. on_state_changed_states_);
  998. }
  999. // Tests that the state is correctly updated if the adapter is removed
  1000. // when a call to set powered to "On" is pending.
  1001. TEST_F(BluetoothSystemTest, SetPoweredOn_AdapterRemovedWhilePending) {
  1002. test_bluetooth_adapter_client_->SimulateAdapterAdded();
  1003. // Added adapters are Off by default.
  1004. auto system = CreateBluetoothSystem();
  1005. absl::optional<mojom::BluetoothSystem::SetPoweredResult> result;
  1006. // Start a SetPowered call and wait for the state to change to kTransitioning.
  1007. base::RunLoop set_powered_run_loop;
  1008. system->SetPowered(true, base::BindLambdaForTesting(
  1009. [&](mojom::BluetoothSystem::SetPoweredResult r) {
  1010. result = r;
  1011. set_powered_run_loop.Quit();
  1012. }));
  1013. EXPECT_EQ(mojom::BluetoothSystem::State::kTransitioning,
  1014. GetStateAndWait(system.get()));
  1015. EXPECT_EQ(StateVector({mojom::BluetoothSystem::State::kTransitioning}),
  1016. on_state_changed_states_);
  1017. ResetResults();
  1018. // Simulate the adapter being removed. This immediately changes the "powered"
  1019. // property of the adapter to `false` and then removes the adapter.
  1020. test_bluetooth_adapter_client_->SimulateAdapterRemoved();
  1021. EXPECT_EQ(mojom::BluetoothSystem::State::kUnavailable,
  1022. GetStateAndWait(system.get()));
  1023. EXPECT_EQ(StateVector({mojom::BluetoothSystem::State::kPoweredOff,
  1024. mojom::BluetoothSystem::State::kUnavailable}),
  1025. on_state_changed_states_);
  1026. ResetResults();
  1027. // Wait for SetPowered() to reply.
  1028. set_powered_run_loop.Run();
  1029. EXPECT_EQ(mojom::BluetoothSystem::SetPoweredResult::kFailedUnknownReason,
  1030. result.value());
  1031. // There should not be any state changes when SetPowered eventually fails.
  1032. EXPECT_TRUE(on_state_changed_states_.empty());
  1033. }
  1034. // Tests that the state is correctly updated if the adapter is removed
  1035. // when a call to set powered to "Off" is pending.
  1036. TEST_F(BluetoothSystemTest, SetPoweredOff_AdapterRemovedWhilePending) {
  1037. test_bluetooth_adapter_client_->SimulatePoweredOnAdapter();
  1038. auto system = CreateBluetoothSystem();
  1039. absl::optional<mojom::BluetoothSystem::SetPoweredResult> result;
  1040. // Start a SetPowered call and wait for the state to change to kTransitioning.
  1041. base::RunLoop set_powered_run_loop;
  1042. system->SetPowered(false,
  1043. base::BindLambdaForTesting(
  1044. [&](mojom::BluetoothSystem::SetPoweredResult r) {
  1045. result = r;
  1046. set_powered_run_loop.Quit();
  1047. }));
  1048. EXPECT_EQ(mojom::BluetoothSystem::State::kTransitioning,
  1049. GetStateAndWait(system.get()));
  1050. EXPECT_EQ(StateVector({mojom::BluetoothSystem::State::kTransitioning}),
  1051. on_state_changed_states_);
  1052. ResetResults();
  1053. // Simulate the adapter being removed. This immediately changes the "powered"
  1054. // property of the adapter to `false` and then removes the adapter.
  1055. test_bluetooth_adapter_client_->SimulateAdapterRemoved();
  1056. EXPECT_EQ(mojom::BluetoothSystem::State::kUnavailable,
  1057. GetStateAndWait(system.get()));
  1058. EXPECT_EQ(StateVector({mojom::BluetoothSystem::State::kPoweredOff,
  1059. mojom::BluetoothSystem::State::kUnavailable}),
  1060. on_state_changed_states_);
  1061. ResetResults();
  1062. // Wait for SetPowered() to reply.
  1063. set_powered_run_loop.Run();
  1064. EXPECT_EQ(mojom::BluetoothSystem::SetPoweredResult::kFailedUnknownReason,
  1065. result.value());
  1066. // There should not be any state changes when SetPowered eventually fails.
  1067. EXPECT_TRUE(on_state_changed_states_.empty());
  1068. }
  1069. // Tests power off call with pending power off call.
  1070. TEST_F(BluetoothSystemTest, SetPoweredOff_PendingSetPoweredOff) {
  1071. test_bluetooth_adapter_client_->SimulatePoweredOnAdapter();
  1072. auto system = CreateBluetoothSystem();
  1073. ASSERT_EQ(mojom::BluetoothSystem::State::kPoweredOn,
  1074. GetStateAndWait(system.get()));
  1075. // Start powering off BT and wait for the state to change to
  1076. // kTransitioning.
  1077. base::RunLoop run_loop;
  1078. absl::optional<mojom::BluetoothSystem::SetPoweredResult>
  1079. set_powered_off_result;
  1080. system->SetPowered(false,
  1081. base::BindLambdaForTesting(
  1082. [&](mojom::BluetoothSystem::SetPoweredResult r) {
  1083. set_powered_off_result = r;
  1084. run_loop.Quit();
  1085. }));
  1086. EXPECT_EQ(mojom::BluetoothSystem::State::kTransitioning,
  1087. GetStateAndWait(system.get()));
  1088. EXPECT_EQ(StateVector({mojom::BluetoothSystem::State::kTransitioning}),
  1089. on_state_changed_states_);
  1090. EXPECT_EQ(1u, test_bluetooth_adapter_client_->GetSetPoweredCallCount());
  1091. EXPECT_FALSE(test_bluetooth_adapter_client_->GetLastSetPoweredValue());
  1092. ResetResults();
  1093. test_bluetooth_adapter_client_->ResetCallCount();
  1094. // Try to power off BT; should fail with kInProgress.
  1095. EXPECT_EQ(mojom::BluetoothSystem::SetPoweredResult::kFailedInProgress,
  1096. SetPoweredAndWait(system.get(), false));
  1097. EXPECT_EQ(0u, test_bluetooth_adapter_client_->GetSetPoweredCallCount());
  1098. EXPECT_EQ(mojom::BluetoothSystem::State::kTransitioning,
  1099. GetStateAndWait(system.get()));
  1100. EXPECT_EQ(StateVector(), on_state_changed_states_);
  1101. ResetResults();
  1102. // Finish initial call to power off BT.
  1103. test_bluetooth_adapter_client_->SimulateSetPoweredCompleted(true);
  1104. test_bluetooth_adapter_client_->SimulateAdapterPowerStateChanged(false);
  1105. run_loop.Run();
  1106. EXPECT_EQ(mojom::BluetoothSystem::State::kPoweredOff,
  1107. GetStateAndWait(system.get()));
  1108. EXPECT_EQ(StateVector({mojom::BluetoothSystem::State::kPoweredOff}),
  1109. on_state_changed_states_);
  1110. EXPECT_EQ(mojom::BluetoothSystem::SetPoweredResult::kSuccess,
  1111. set_powered_off_result.value());
  1112. }
  1113. // Tests power off call with pending power on call.
  1114. TEST_F(BluetoothSystemTest, SetPoweredOff_PendingSetPoweredOn) {
  1115. test_bluetooth_adapter_client_->SimulateAdapterAdded();
  1116. auto system = CreateBluetoothSystem();
  1117. ASSERT_EQ(mojom::BluetoothSystem::State::kPoweredOff,
  1118. GetStateAndWait(system.get()));
  1119. // Start powering on BT and wait for the state to change to
  1120. // kTransitioning.
  1121. base::RunLoop run_loop;
  1122. absl::optional<mojom::BluetoothSystem::SetPoweredResult>
  1123. set_powered_on_result;
  1124. system->SetPowered(true, base::BindLambdaForTesting(
  1125. [&](mojom::BluetoothSystem::SetPoweredResult r) {
  1126. set_powered_on_result = r;
  1127. run_loop.Quit();
  1128. }));
  1129. EXPECT_EQ(mojom::BluetoothSystem::State::kTransitioning,
  1130. GetStateAndWait(system.get()));
  1131. EXPECT_EQ(StateVector({mojom::BluetoothSystem::State::kTransitioning}),
  1132. on_state_changed_states_);
  1133. EXPECT_EQ(1u, test_bluetooth_adapter_client_->GetSetPoweredCallCount());
  1134. EXPECT_TRUE(test_bluetooth_adapter_client_->GetLastSetPoweredValue());
  1135. ResetResults();
  1136. test_bluetooth_adapter_client_->ResetCallCount();
  1137. // Try to power off BT; should fail with kInProgress.
  1138. EXPECT_EQ(mojom::BluetoothSystem::SetPoweredResult::kFailedInProgress,
  1139. SetPoweredAndWait(system.get(), false));
  1140. EXPECT_EQ(0u, test_bluetooth_adapter_client_->GetSetPoweredCallCount());
  1141. EXPECT_EQ(mojom::BluetoothSystem::State::kTransitioning,
  1142. GetStateAndWait(system.get()));
  1143. EXPECT_EQ(StateVector(), on_state_changed_states_);
  1144. ResetResults();
  1145. // Finish initial call to power on BT.
  1146. test_bluetooth_adapter_client_->SimulateSetPoweredCompleted(true);
  1147. test_bluetooth_adapter_client_->SimulateAdapterPowerStateChanged(true);
  1148. run_loop.Run();
  1149. EXPECT_EQ(mojom::BluetoothSystem::State::kPoweredOn,
  1150. GetStateAndWait(system.get()));
  1151. EXPECT_EQ(StateVector({mojom::BluetoothSystem::State::kPoweredOn}),
  1152. on_state_changed_states_);
  1153. EXPECT_EQ(mojom::BluetoothSystem::SetPoweredResult::kSuccess,
  1154. set_powered_on_result.value());
  1155. }
  1156. // Tests power on call with pending power off call.
  1157. TEST_F(BluetoothSystemTest, SetPoweredOn_PendingSetPoweredOff) {
  1158. test_bluetooth_adapter_client_->SimulatePoweredOnAdapter();
  1159. auto system = CreateBluetoothSystem();
  1160. ASSERT_EQ(mojom::BluetoothSystem::State::kPoweredOn,
  1161. GetStateAndWait(system.get()));
  1162. // Start powering off BT and wait for the state to change to
  1163. // kTransitioning.
  1164. base::RunLoop run_loop;
  1165. absl::optional<mojom::BluetoothSystem::SetPoweredResult>
  1166. set_powered_off_result;
  1167. system->SetPowered(false,
  1168. base::BindLambdaForTesting(
  1169. [&](mojom::BluetoothSystem::SetPoweredResult r) {
  1170. set_powered_off_result = r;
  1171. run_loop.Quit();
  1172. }));
  1173. EXPECT_EQ(mojom::BluetoothSystem::State::kTransitioning,
  1174. GetStateAndWait(system.get()));
  1175. EXPECT_EQ(StateVector({mojom::BluetoothSystem::State::kTransitioning}),
  1176. on_state_changed_states_);
  1177. EXPECT_EQ(1u, test_bluetooth_adapter_client_->GetSetPoweredCallCount());
  1178. EXPECT_FALSE(test_bluetooth_adapter_client_->GetLastSetPoweredValue());
  1179. ResetResults();
  1180. test_bluetooth_adapter_client_->ResetCallCount();
  1181. // Try to power on BT; should fail with kInProgress.
  1182. EXPECT_EQ(mojom::BluetoothSystem::SetPoweredResult::kFailedInProgress,
  1183. SetPoweredAndWait(system.get(), true));
  1184. EXPECT_EQ(0u, test_bluetooth_adapter_client_->GetSetPoweredCallCount());
  1185. EXPECT_EQ(mojom::BluetoothSystem::State::kTransitioning,
  1186. GetStateAndWait(system.get()));
  1187. EXPECT_EQ(StateVector(), on_state_changed_states_);
  1188. ResetResults();
  1189. // Finish initial call to power off BT.
  1190. test_bluetooth_adapter_client_->SimulateSetPoweredCompleted(true);
  1191. test_bluetooth_adapter_client_->SimulateAdapterPowerStateChanged(false);
  1192. run_loop.Run();
  1193. EXPECT_EQ(mojom::BluetoothSystem::State::kPoweredOff,
  1194. GetStateAndWait(system.get()));
  1195. EXPECT_EQ(StateVector({mojom::BluetoothSystem::State::kPoweredOff}),
  1196. on_state_changed_states_);
  1197. EXPECT_EQ(mojom::BluetoothSystem::SetPoweredResult::kSuccess,
  1198. set_powered_off_result.value());
  1199. }
  1200. // Tests power on call with pending power on call.
  1201. TEST_F(BluetoothSystemTest, SetPoweredOn_PendingSetPoweredOn) {
  1202. test_bluetooth_adapter_client_->SimulateAdapterAdded();
  1203. auto system = CreateBluetoothSystem();
  1204. ASSERT_EQ(mojom::BluetoothSystem::State::kPoweredOff,
  1205. GetStateAndWait(system.get()));
  1206. // Start powering on BT and wait for the state to change to
  1207. // kTransitioning.
  1208. base::RunLoop run_loop;
  1209. absl::optional<mojom::BluetoothSystem::SetPoweredResult>
  1210. set_powered_on_result;
  1211. system->SetPowered(true, base::BindLambdaForTesting(
  1212. [&](mojom::BluetoothSystem::SetPoweredResult r) {
  1213. set_powered_on_result = r;
  1214. run_loop.Quit();
  1215. }));
  1216. EXPECT_EQ(mojom::BluetoothSystem::State::kTransitioning,
  1217. GetStateAndWait(system.get()));
  1218. EXPECT_EQ(StateVector({mojom::BluetoothSystem::State::kTransitioning}),
  1219. on_state_changed_states_);
  1220. EXPECT_EQ(1u, test_bluetooth_adapter_client_->GetSetPoweredCallCount());
  1221. EXPECT_TRUE(test_bluetooth_adapter_client_->GetLastSetPoweredValue());
  1222. ResetResults();
  1223. test_bluetooth_adapter_client_->ResetCallCount();
  1224. // Try to power on BT; should fail with kInProgress.
  1225. EXPECT_EQ(mojom::BluetoothSystem::SetPoweredResult::kFailedInProgress,
  1226. SetPoweredAndWait(system.get(), true));
  1227. EXPECT_EQ(0u, test_bluetooth_adapter_client_->GetSetPoweredCallCount());
  1228. EXPECT_EQ(mojom::BluetoothSystem::State::kTransitioning,
  1229. GetStateAndWait(system.get()));
  1230. EXPECT_EQ(StateVector(), on_state_changed_states_);
  1231. ResetResults();
  1232. // Finish initial call to power on BT.
  1233. test_bluetooth_adapter_client_->SimulateSetPoweredCompleted(true);
  1234. test_bluetooth_adapter_client_->SimulateAdapterPowerStateChanged(true);
  1235. run_loop.Run();
  1236. EXPECT_EQ(mojom::BluetoothSystem::State::kPoweredOn,
  1237. GetStateAndWait(system.get()));
  1238. EXPECT_EQ(StateVector({mojom::BluetoothSystem::State::kPoweredOn}),
  1239. on_state_changed_states_);
  1240. EXPECT_EQ(mojom::BluetoothSystem::SetPoweredResult::kSuccess,
  1241. set_powered_on_result.value());
  1242. }
  1243. // Tests scan state is kNotScanning when there is no adapter.
  1244. TEST_F(BluetoothSystemTest, ScanState_NoAdapter) {
  1245. auto system = CreateBluetoothSystem();
  1246. EXPECT_EQ(mojom::BluetoothSystem::ScanState::kNotScanning,
  1247. GetScanStateAndWait(system.get()));
  1248. EXPECT_TRUE(on_scan_state_changed_states_.empty());
  1249. }
  1250. // Tests scan state is kNotScanning when the adapter is not scanning.
  1251. TEST_F(BluetoothSystemTest, ScanState_NotScanning) {
  1252. test_bluetooth_adapter_client_->SimulatePoweredOnAdapter();
  1253. // Added adapters are not scanning by default.
  1254. auto system = CreateBluetoothSystem();
  1255. EXPECT_EQ(mojom::BluetoothSystem::ScanState::kNotScanning,
  1256. GetScanStateAndWait(system.get()));
  1257. EXPECT_TRUE(on_scan_state_changed_states_.empty());
  1258. }
  1259. // Tests scan state is kScanning when the adapter is scanning.
  1260. TEST_F(BluetoothSystemTest, ScanState_Scanning) {
  1261. test_bluetooth_adapter_client_->SimulatePoweredOnAdapter();
  1262. test_bluetooth_adapter_client_->SimulateAdapterDiscoveringStateChanged(true);
  1263. auto system = CreateBluetoothSystem();
  1264. EXPECT_EQ(mojom::BluetoothSystem::ScanState::kScanning,
  1265. GetScanStateAndWait(system.get()));
  1266. EXPECT_TRUE(on_scan_state_changed_states_.empty());
  1267. }
  1268. // Tests scan state changes to kScanning when the adapter starts scanning and
  1269. // then changes to kNotScanning when the adapter stops scanning.
  1270. TEST_F(BluetoothSystemTest, ScanState_ScanningThenNotScanning) {
  1271. test_bluetooth_adapter_client_->SimulatePoweredOnAdapter();
  1272. auto system = CreateBluetoothSystem();
  1273. EXPECT_EQ(mojom::BluetoothSystem::ScanState::kNotScanning,
  1274. GetScanStateAndWait(system.get()));
  1275. EXPECT_TRUE(on_scan_state_changed_states_.empty());
  1276. // Adapter starts scanning.
  1277. test_bluetooth_adapter_client_->SimulateAdapterDiscoveringStateChanged(true);
  1278. EXPECT_EQ(mojom::BluetoothSystem::ScanState::kScanning,
  1279. GetScanStateAndWait(system.get()));
  1280. EXPECT_EQ(ScanStateVector({mojom::BluetoothSystem::ScanState::kScanning}),
  1281. on_scan_state_changed_states_);
  1282. ResetResults();
  1283. // Adapter stops scanning.
  1284. test_bluetooth_adapter_client_->SimulateAdapterDiscoveringStateChanged(false);
  1285. EXPECT_EQ(mojom::BluetoothSystem::ScanState::kNotScanning,
  1286. GetScanStateAndWait(system.get()));
  1287. EXPECT_EQ(ScanStateVector({mojom::BluetoothSystem::ScanState::kNotScanning}),
  1288. on_scan_state_changed_states_);
  1289. }
  1290. // Tests scan state is updated as expected when removing and re-adding the same
  1291. // adapter.
  1292. TEST_F(BluetoothSystemTest, ScanState_AdapterRemoved) {
  1293. test_bluetooth_adapter_client_->SimulatePoweredOnAdapter();
  1294. test_bluetooth_adapter_client_->SimulateAdapterDiscoveringStateChanged(true);
  1295. auto system = CreateBluetoothSystem();
  1296. // The adapter is initially scanning.
  1297. EXPECT_EQ(mojom::BluetoothSystem::ScanState::kScanning,
  1298. GetScanStateAndWait(system.get()));
  1299. // Remove the adapter. The state should change to not scanning.
  1300. test_bluetooth_adapter_client_->SimulateAdapterRemoved();
  1301. EXPECT_EQ(mojom::BluetoothSystem::ScanState::kNotScanning,
  1302. GetScanStateAndWait(system.get()));
  1303. EXPECT_EQ(ScanStateVector({mojom::BluetoothSystem::ScanState::kNotScanning}),
  1304. on_scan_state_changed_states_);
  1305. ResetResults();
  1306. // Add the adapter again; it's not scanning by default.
  1307. test_bluetooth_adapter_client_->SimulatePoweredOnAdapter();
  1308. EXPECT_EQ(mojom::BluetoothSystem::ScanState::kNotScanning,
  1309. GetScanStateAndWait(system.get()));
  1310. EXPECT_TRUE(on_scan_state_changed_states_.empty());
  1311. // The adapter starts scanning again.
  1312. test_bluetooth_adapter_client_->SimulateAdapterDiscoveringStateChanged(true);
  1313. EXPECT_EQ(mojom::BluetoothSystem::ScanState::kScanning,
  1314. GetScanStateAndWait(system.get()));
  1315. EXPECT_EQ(ScanStateVector({mojom::BluetoothSystem::ScanState::kScanning}),
  1316. on_scan_state_changed_states_);
  1317. }
  1318. // Tests that scan state is updated as expected when replacing the adapter with
  1319. // a different adapter.
  1320. TEST_F(BluetoothSystemTest, ScanState_AdapterReplaced) {
  1321. // Start with a scanning adapter.
  1322. test_bluetooth_adapter_client_->SimulatePoweredOnAdapter(
  1323. kDefaultAdapterObjectPathStr);
  1324. test_bluetooth_adapter_client_->SimulateAdapterDiscoveringStateChanged(
  1325. true, kDefaultAdapterObjectPathStr);
  1326. auto system = CreateBluetoothSystem();
  1327. // The adapter is initially scanning.
  1328. EXPECT_EQ(mojom::BluetoothSystem::ScanState::kScanning,
  1329. GetScanStateAndWait(system.get()));
  1330. // Remove the adapter. The state should change to kNotScanning.
  1331. test_bluetooth_adapter_client_->SimulateAdapterRemoved(
  1332. kDefaultAdapterObjectPathStr);
  1333. EXPECT_EQ(mojom::BluetoothSystem::ScanState::kNotScanning,
  1334. GetScanStateAndWait(system.get()));
  1335. EXPECT_EQ(ScanStateVector({mojom::BluetoothSystem::ScanState::kNotScanning}),
  1336. on_scan_state_changed_states_);
  1337. ResetResults();
  1338. // Add a different adapter. It's not scanning by default.
  1339. test_bluetooth_adapter_client_->SimulatePoweredOnAdapter(
  1340. kAlternateAdapterObjectPathStr);
  1341. EXPECT_EQ(mojom::BluetoothSystem::ScanState::kNotScanning,
  1342. GetScanStateAndWait(system.get()));
  1343. EXPECT_TRUE(on_scan_state_changed_states_.empty());
  1344. // The new adapter starts scanning.
  1345. test_bluetooth_adapter_client_->SimulateAdapterDiscoveringStateChanged(
  1346. true, kAlternateAdapterObjectPathStr);
  1347. EXPECT_EQ(mojom::BluetoothSystem::ScanState::kScanning,
  1348. GetScanStateAndWait(system.get()));
  1349. EXPECT_EQ(ScanStateVector({mojom::BluetoothSystem::ScanState::kScanning}),
  1350. on_scan_state_changed_states_);
  1351. }
  1352. // Tests that StartScan fails if there is no adapter.
  1353. TEST_F(BluetoothSystemTest, StartScan_NoAdapter) {
  1354. auto system = CreateBluetoothSystem();
  1355. EXPECT_EQ(
  1356. mojom::BluetoothSystem::StartScanResult::kFailedBluetoothUnavailable,
  1357. StartScanAndWait(system.get()));
  1358. }
  1359. // Tests that StartScan fails if the adapter is "Off".
  1360. TEST_F(BluetoothSystemTest, StartScan_AdapterOff) {
  1361. test_bluetooth_adapter_client_->SimulateAdapterAdded();
  1362. // Added adapters are Off by default.
  1363. auto system = CreateBluetoothSystem();
  1364. EXPECT_EQ(
  1365. mojom::BluetoothSystem::StartScanResult::kFailedBluetoothUnavailable,
  1366. StartScanAndWait(system.get()));
  1367. EXPECT_EQ(0u, test_bluetooth_adapter_client_->GetStartDiscoveryCallCount());
  1368. }
  1369. // Tests that StartScan succeeds and the scan state is correctly updated.
  1370. TEST_F(BluetoothSystemTest, StartScan_Succeeds) {
  1371. test_bluetooth_adapter_client_->SimulatePoweredOnAdapter();
  1372. auto system = CreateBluetoothSystem();
  1373. EXPECT_EQ(mojom::BluetoothSystem::ScanState::kNotScanning,
  1374. GetScanStateAndWait(system.get()));
  1375. test_bluetooth_adapter_client_->SetNextStartDiscoveryResponse(true);
  1376. EXPECT_EQ(mojom::BluetoothSystem::StartScanResult::kSuccess,
  1377. StartScanAndWait(system.get()));
  1378. EXPECT_EQ(1u, test_bluetooth_adapter_client_->GetStartDiscoveryCallCount());
  1379. // TODO(ortuno): Test for kTransitioning once implemented.
  1380. EXPECT_EQ(mojom::BluetoothSystem::ScanState::kNotScanning,
  1381. GetScanStateAndWait(system.get()));
  1382. EXPECT_EQ(ScanStateVector(), on_scan_state_changed_states_);
  1383. ResetResults();
  1384. test_bluetooth_adapter_client_->SimulateAdapterDiscoveringStateChanged(true);
  1385. EXPECT_EQ(mojom::BluetoothSystem::ScanState::kScanning,
  1386. GetScanStateAndWait(system.get()));
  1387. EXPECT_EQ(ScanStateVector({mojom::BluetoothSystem::ScanState::kScanning}),
  1388. on_scan_state_changed_states_);
  1389. }
  1390. // Tests that StartScan fails and the scan state is correctly updated.
  1391. TEST_F(BluetoothSystemTest, StartScan_Fails) {
  1392. test_bluetooth_adapter_client_->SimulatePoweredOnAdapter();
  1393. auto system = CreateBluetoothSystem();
  1394. EXPECT_EQ(mojom::BluetoothSystem::ScanState::kNotScanning,
  1395. GetScanStateAndWait(system.get()));
  1396. test_bluetooth_adapter_client_->SetNextStartDiscoveryResponse(false);
  1397. EXPECT_EQ(mojom::BluetoothSystem::StartScanResult::kFailedUnknownReason,
  1398. StartScanAndWait(system.get()));
  1399. EXPECT_EQ(1u, test_bluetooth_adapter_client_->GetStartDiscoveryCallCount());
  1400. // TODO(ortuno): Test for kTransitioning once implemented.
  1401. EXPECT_EQ(mojom::BluetoothSystem::ScanState::kNotScanning,
  1402. GetScanStateAndWait(system.get()));
  1403. EXPECT_EQ(ScanStateVector(), on_scan_state_changed_states_);
  1404. }
  1405. // Tests that StartScan fails when the adapter is powering on.
  1406. TEST_F(BluetoothSystemTest, StartScan_FailsDuringPowerOn) {
  1407. test_bluetooth_adapter_client_->SimulateAdapterAdded();
  1408. // Added adapters are Off by default.
  1409. auto system = CreateBluetoothSystem();
  1410. // Start powering on the adapter.
  1411. test_bluetooth_adapter_client_->SetNextSetPoweredResponse(true);
  1412. EXPECT_EQ(mojom::BluetoothSystem::SetPoweredResult::kSuccess,
  1413. SetPoweredAndWait(system.get(), true));
  1414. EXPECT_EQ(mojom::BluetoothSystem::State::kTransitioning,
  1415. GetStateAndWait(system.get()));
  1416. ResetResults();
  1417. // Start scan should fail without sending the command to the adapter.
  1418. EXPECT_EQ(
  1419. mojom::BluetoothSystem::StartScanResult::kFailedBluetoothUnavailable,
  1420. StartScanAndWait(system.get()));
  1421. EXPECT_EQ(0u, test_bluetooth_adapter_client_->GetStartDiscoveryCallCount());
  1422. EXPECT_EQ(mojom::BluetoothSystem::ScanState::kNotScanning,
  1423. GetScanStateAndWait(system.get()));
  1424. EXPECT_TRUE(on_scan_state_changed_states_.empty());
  1425. // Finish powering on the adapter.
  1426. test_bluetooth_adapter_client_->SimulateAdapterPowerStateChanged(true);
  1427. EXPECT_EQ(mojom::BluetoothSystem::State::kPoweredOn,
  1428. GetStateAndWait(system.get()));
  1429. EXPECT_EQ(StateVector({mojom::BluetoothSystem::State::kPoweredOn}),
  1430. on_state_changed_states_);
  1431. }
  1432. // Tests that StartScan fails when the adapter is powering off.
  1433. TEST_F(BluetoothSystemTest, StartScan_FailsDuringPowerOff) {
  1434. test_bluetooth_adapter_client_->SimulatePoweredOnAdapter();
  1435. auto system = CreateBluetoothSystem();
  1436. // Start powering off the adapter.
  1437. test_bluetooth_adapter_client_->SetNextSetPoweredResponse(true);
  1438. EXPECT_EQ(mojom::BluetoothSystem::SetPoweredResult::kSuccess,
  1439. SetPoweredAndWait(system.get(), false));
  1440. EXPECT_EQ(mojom::BluetoothSystem::State::kTransitioning,
  1441. GetStateAndWait(system.get()));
  1442. ResetResults();
  1443. // Start scan should fail without sending the command to the adapter.
  1444. EXPECT_EQ(
  1445. mojom::BluetoothSystem::StartScanResult::kFailedBluetoothUnavailable,
  1446. StartScanAndWait(system.get()));
  1447. EXPECT_EQ(0u, test_bluetooth_adapter_client_->GetStartDiscoveryCallCount());
  1448. EXPECT_EQ(mojom::BluetoothSystem::ScanState::kNotScanning,
  1449. GetScanStateAndWait(system.get()));
  1450. EXPECT_TRUE(on_scan_state_changed_states_.empty());
  1451. // Finish powering off the adapter.
  1452. test_bluetooth_adapter_client_->SimulateAdapterPowerStateChanged(false);
  1453. EXPECT_EQ(mojom::BluetoothSystem::State::kPoweredOff,
  1454. GetStateAndWait(system.get()));
  1455. EXPECT_EQ(StateVector({mojom::BluetoothSystem::State::kPoweredOff}),
  1456. on_state_changed_states_);
  1457. }
  1458. // Tests that StopScan fails if there is no adapter.
  1459. TEST_F(BluetoothSystemTest, StopScan_NoAdapter) {
  1460. auto system = CreateBluetoothSystem();
  1461. EXPECT_EQ(mojom::BluetoothSystem::StopScanResult::kFailedBluetoothUnavailable,
  1462. StopScanAndWait(system.get()));
  1463. }
  1464. // Tests that StopScan fails if the adapter is "Off".
  1465. TEST_F(BluetoothSystemTest, StopScan_AdapterOff) {
  1466. test_bluetooth_adapter_client_->SimulateAdapterAdded();
  1467. // Added adapters are Off by default.
  1468. auto system = CreateBluetoothSystem();
  1469. EXPECT_EQ(mojom::BluetoothSystem::StopScanResult::kFailedBluetoothUnavailable,
  1470. StopScanAndWait(system.get()));
  1471. EXPECT_EQ(0u, test_bluetooth_adapter_client_->GetStopDiscoveryCallCount());
  1472. }
  1473. // Tests that StopScan succeeds and the scan state is correctly updated.
  1474. TEST_F(BluetoothSystemTest, StopScan_Succeeds) {
  1475. test_bluetooth_adapter_client_->SimulatePoweredOnAdapter();
  1476. auto system = CreateBluetoothSystem();
  1477. // Successfully start scanning.
  1478. test_bluetooth_adapter_client_->SetNextStartDiscoveryResponse(true);
  1479. StartScanAndWait(system.get());
  1480. test_bluetooth_adapter_client_->SimulateAdapterDiscoveringStateChanged(true);
  1481. EXPECT_EQ(mojom::BluetoothSystem::ScanState::kScanning,
  1482. GetScanStateAndWait(system.get()));
  1483. ResetResults();
  1484. test_bluetooth_adapter_client_->SetNextStopDiscoveryResponse(true);
  1485. EXPECT_EQ(mojom::BluetoothSystem::StopScanResult::kSuccess,
  1486. StopScanAndWait(system.get()));
  1487. EXPECT_EQ(1u, test_bluetooth_adapter_client_->GetStopDiscoveryCallCount());
  1488. // TODO(ortuno): Test for kTransitioning once implemented.
  1489. EXPECT_EQ(mojom::BluetoothSystem::ScanState::kScanning,
  1490. GetScanStateAndWait(system.get()));
  1491. EXPECT_EQ(ScanStateVector(), on_scan_state_changed_states_);
  1492. ResetResults();
  1493. test_bluetooth_adapter_client_->SimulateAdapterDiscoveringStateChanged(false);
  1494. EXPECT_EQ(mojom::BluetoothSystem::ScanState::kNotScanning,
  1495. GetScanStateAndWait(system.get()));
  1496. EXPECT_EQ(ScanStateVector({mojom::BluetoothSystem::ScanState::kNotScanning}),
  1497. on_scan_state_changed_states_);
  1498. }
  1499. // Tests that StopScan fails and the scan state is correctly updated.
  1500. TEST_F(BluetoothSystemTest, StopScan_Fails) {
  1501. test_bluetooth_adapter_client_->SimulatePoweredOnAdapter();
  1502. auto system = CreateBluetoothSystem();
  1503. // Successfully start scanning.
  1504. test_bluetooth_adapter_client_->SetNextStartDiscoveryResponse(true);
  1505. StartScanAndWait(system.get());
  1506. test_bluetooth_adapter_client_->SimulateAdapterDiscoveringStateChanged(true);
  1507. EXPECT_EQ(mojom::BluetoothSystem::ScanState::kScanning,
  1508. GetScanStateAndWait(system.get()));
  1509. ResetResults();
  1510. test_bluetooth_adapter_client_->SetNextStopDiscoveryResponse(false);
  1511. EXPECT_EQ(mojom::BluetoothSystem::StopScanResult::kFailedUnknownReason,
  1512. StopScanAndWait(system.get()));
  1513. EXPECT_EQ(1u, test_bluetooth_adapter_client_->GetStopDiscoveryCallCount());
  1514. // TODO(ortuno): Test for kTransitioning once implemented.
  1515. EXPECT_EQ(mojom::BluetoothSystem::ScanState::kScanning,
  1516. GetScanStateAndWait(system.get()));
  1517. EXPECT_EQ(ScanStateVector(), on_scan_state_changed_states_);
  1518. }
  1519. // Tests that StopScan fails if when the adapter is powering on.
  1520. TEST_F(BluetoothSystemTest, StopScan_FailsDuringPowerOn) {
  1521. test_bluetooth_adapter_client_->SimulateAdapterAdded();
  1522. // Added adapters are Off by default.
  1523. auto system = CreateBluetoothSystem();
  1524. // Start powering on the adapter.
  1525. test_bluetooth_adapter_client_->SetNextSetPoweredResponse(true);
  1526. EXPECT_EQ(mojom::BluetoothSystem::SetPoweredResult::kSuccess,
  1527. SetPoweredAndWait(system.get(), true));
  1528. EXPECT_EQ(mojom::BluetoothSystem::State::kTransitioning,
  1529. GetStateAndWait(system.get()));
  1530. ResetResults();
  1531. // Stop scan should fail without sending the command to the adapter.
  1532. EXPECT_EQ(mojom::BluetoothSystem::StopScanResult::kFailedBluetoothUnavailable,
  1533. StopScanAndWait(system.get()));
  1534. EXPECT_EQ(0u, test_bluetooth_adapter_client_->GetStopDiscoveryCallCount());
  1535. EXPECT_EQ(mojom::BluetoothSystem::ScanState::kNotScanning,
  1536. GetScanStateAndWait(system.get()));
  1537. EXPECT_TRUE(on_scan_state_changed_states_.empty());
  1538. // Finish powering on the adapter.
  1539. test_bluetooth_adapter_client_->SimulateAdapterPowerStateChanged(true);
  1540. EXPECT_EQ(mojom::BluetoothSystem::State::kPoweredOn,
  1541. GetStateAndWait(system.get()));
  1542. EXPECT_EQ(StateVector({mojom::BluetoothSystem::State::kPoweredOn}),
  1543. on_state_changed_states_);
  1544. }
  1545. TEST_F(BluetoothSystemTest, StopScan_FailsDuringPowerOff) {
  1546. test_bluetooth_adapter_client_->SimulatePoweredOnAdapter();
  1547. auto system = CreateBluetoothSystem();
  1548. // Start scanning.
  1549. test_bluetooth_adapter_client_->SetNextStartDiscoveryResponse(true);
  1550. EXPECT_EQ(mojom::BluetoothSystem::StartScanResult::kSuccess,
  1551. StartScanAndWait(system.get()));
  1552. test_bluetooth_adapter_client_->SimulateAdapterDiscoveringStateChanged(true);
  1553. EXPECT_EQ(mojom::BluetoothSystem::ScanState::kScanning,
  1554. GetScanStateAndWait(system.get()));
  1555. // Start powering off the adapter.
  1556. test_bluetooth_adapter_client_->SetNextSetPoweredResponse(true);
  1557. EXPECT_EQ(mojom::BluetoothSystem::SetPoweredResult::kSuccess,
  1558. SetPoweredAndWait(system.get(), false));
  1559. EXPECT_EQ(mojom::BluetoothSystem::State::kTransitioning,
  1560. GetStateAndWait(system.get()));
  1561. ResetResults();
  1562. // Stop scan should fail without sending the command to the adapter.
  1563. EXPECT_EQ(mojom::BluetoothSystem::StopScanResult::kFailedBluetoothUnavailable,
  1564. StopScanAndWait(system.get()));
  1565. EXPECT_EQ(0u, test_bluetooth_adapter_client_->GetStopDiscoveryCallCount());
  1566. EXPECT_EQ(mojom::BluetoothSystem::ScanState::kScanning,
  1567. GetScanStateAndWait(system.get()));
  1568. EXPECT_TRUE(on_scan_state_changed_states_.empty());
  1569. // Finish powering off the adapter.
  1570. test_bluetooth_adapter_client_->SimulateAdapterPowerStateChanged(false);
  1571. EXPECT_EQ(mojom::BluetoothSystem::State::kPoweredOff,
  1572. GetStateAndWait(system.get()));
  1573. EXPECT_EQ(StateVector({mojom::BluetoothSystem::State::kPoweredOff}),
  1574. on_state_changed_states_);
  1575. }
  1576. // Tests that the scan state is correctly updated if the adapter is removed
  1577. // during scanning.
  1578. TEST_F(BluetoothSystemTest, Scan_AdapterRemovedWhileScanning) {
  1579. test_bluetooth_adapter_client_->SimulatePoweredOnAdapter();
  1580. auto system = CreateBluetoothSystem();
  1581. // Start scanning.
  1582. test_bluetooth_adapter_client_->SetNextStartDiscoveryResponse(true);
  1583. StartScanAndWait(system.get());
  1584. test_bluetooth_adapter_client_->SimulateAdapterDiscoveringStateChanged(true);
  1585. ASSERT_EQ(mojom::BluetoothSystem::ScanState::kScanning,
  1586. GetScanStateAndWait(system.get()));
  1587. ResetResults();
  1588. // Remove the adapter. Scan state should change to kNotScanning.
  1589. test_bluetooth_adapter_client_->SimulateAdapterRemoved();
  1590. EXPECT_EQ(mojom::BluetoothSystem::ScanState::kNotScanning,
  1591. GetScanStateAndWait(system.get()));
  1592. EXPECT_EQ(ScanStateVector({mojom::BluetoothSystem::ScanState::kNotScanning}),
  1593. on_scan_state_changed_states_);
  1594. }
  1595. // Tests that the scan state is correctly updated if the adapter turns off
  1596. // during scanning.
  1597. TEST_F(BluetoothSystemTest, Scan_PowerOffWhileScanning) {
  1598. test_bluetooth_adapter_client_->SimulatePoweredOnAdapter();
  1599. auto system = CreateBluetoothSystem();
  1600. // Start scanning.
  1601. test_bluetooth_adapter_client_->SetNextStartDiscoveryResponse(true);
  1602. StartScanAndWait(system.get());
  1603. test_bluetooth_adapter_client_->SimulateAdapterDiscoveringStateChanged(true);
  1604. ASSERT_EQ(mojom::BluetoothSystem::ScanState::kScanning,
  1605. GetScanStateAndWait(system.get()));
  1606. ResetResults();
  1607. // Power off the adapter. Scan state should change to kNotScanning.
  1608. test_bluetooth_adapter_client_->SimulateAdapterPowerStateChanged(false);
  1609. EXPECT_EQ(mojom::BluetoothSystem::ScanState::kNotScanning,
  1610. GetScanStateAndWait(system.get()));
  1611. EXPECT_EQ(ScanStateVector({mojom::BluetoothSystem::ScanState::kNotScanning}),
  1612. on_scan_state_changed_states_);
  1613. }
  1614. // Tests addresses are parsed correctly.
  1615. TEST_F(BluetoothSystemTest, GetAvailableDevices_AddressParser) {
  1616. test_bluetooth_adapter_client_->SimulatePoweredOnAdapter();
  1617. auto system = CreateBluetoothSystem();
  1618. static const struct {
  1619. std::string object_path;
  1620. std::string address;
  1621. } device_cases[] = {
  1622. // Invalid addresses
  1623. {"1", "00:11"}, // Too short
  1624. {"2", "00:11:22:AA:BB:CC:DD"}, // Too long
  1625. {"3", "00|11|22|AA|BB|CC"}, // Invalid separator
  1626. {"4", "00:11:22:XX:BB:CC"}, // Invalid character
  1627. // Valid addresses
  1628. {"5", "00:11:22:aa:bb:cc"}, // Lowercase
  1629. {"6", "00:11:22:AA:BB:CC"}, // Uppercase
  1630. };
  1631. for (const auto& device : device_cases) {
  1632. FakeDeviceOptions fake_options(device.object_path);
  1633. fake_options.address = device.address;
  1634. test_bluetooth_device_client_->SimulateDeviceAdded(fake_options);
  1635. }
  1636. auto devices = GetAvailableDevicesAndWait(system.get());
  1637. ASSERT_EQ(2u, devices.size());
  1638. const std::array<uint8_t, 6> expected_address = {0x00, 0x11, 0x22,
  1639. 0xAA, 0xBB, 0xCC};
  1640. EXPECT_EQ(expected_address, devices[0]->address);
  1641. EXPECT_EQ(expected_address, devices[1]->address);
  1642. }
  1643. // Tests all properties of devices are returned correctly.
  1644. TEST_F(BluetoothSystemTest, GetAvailableDevices) {
  1645. test_bluetooth_adapter_client_->SimulatePoweredOnAdapter();
  1646. auto system = CreateBluetoothSystem();
  1647. {
  1648. FakeDeviceOptions fake_options("1");
  1649. fake_options.address = kDefaultDeviceAddressStr;
  1650. fake_options.name = "Fake Device";
  1651. fake_options.paired = true;
  1652. fake_options.connected = true;
  1653. test_bluetooth_device_client_->SimulateDeviceAdded(fake_options);
  1654. test_bluetooth_admin_policy_client_->SimulateAdminPolicyAdded(
  1655. fake_options.object_path, /*is_blocked_by_policy=*/true);
  1656. }
  1657. {
  1658. FakeDeviceOptions fake_options("2");
  1659. fake_options.address = kAlternateDeviceAddressStr;
  1660. fake_options.name = absl::nullopt;
  1661. fake_options.paired = false;
  1662. fake_options.connected = false;
  1663. test_bluetooth_device_client_->SimulateDeviceAdded(fake_options);
  1664. test_bluetooth_admin_policy_client_->SimulateAdminPolicyAdded(
  1665. fake_options.object_path, /*is_blocked_by_policy=*/false);
  1666. }
  1667. auto devices = GetAvailableDevicesAndWait(system.get());
  1668. ASSERT_EQ(2u, devices.size());
  1669. mojom::BluetoothDeviceInfoPtr device_with_name;
  1670. mojom::BluetoothDeviceInfoPtr device_without_name;
  1671. if (devices[0]->address == kDefaultDeviceAddressArray) {
  1672. device_with_name = std::move(devices[0]);
  1673. device_without_name = std::move(devices[1]);
  1674. } else {
  1675. device_with_name = std::move(devices[1]);
  1676. device_without_name = std::move(devices[0]);
  1677. }
  1678. EXPECT_EQ(device_with_name->name.value(), "Fake Device");
  1679. EXPECT_TRUE(device_with_name->is_paired);
  1680. EXPECT_TRUE(device_with_name->is_blocked_by_policy);
  1681. EXPECT_EQ(device_with_name->connection_state,
  1682. mojom::BluetoothDeviceInfo::ConnectionState::kConnected);
  1683. EXPECT_FALSE(!!device_without_name->name);
  1684. EXPECT_FALSE(device_without_name->is_paired);
  1685. EXPECT_FALSE(device_without_name->is_blocked_by_policy);
  1686. EXPECT_EQ(device_without_name->connection_state,
  1687. mojom::BluetoothDeviceInfo::ConnectionState::kNotConnected);
  1688. }
  1689. // Tests that if a device existed before BluetoothSystem was created, the
  1690. // device is still returned when calling GetAvailableDevices().
  1691. TEST_F(BluetoothSystemTest, GetAvailableDevices_ExistingDevice) {
  1692. test_bluetooth_adapter_client_->SimulatePoweredOnAdapter();
  1693. test_bluetooth_device_client_->SimulateDeviceAdded(FakeDeviceOptions());
  1694. auto system = CreateBluetoothSystem();
  1695. auto devices = GetAvailableDevicesAndWait(system.get());
  1696. ASSERT_EQ(1u, devices.size());
  1697. EXPECT_EQ(kDefaultDeviceAddressArray, devices[0]->address);
  1698. EXPECT_FALSE(devices[0]->name);
  1699. EXPECT_EQ(mojom::BluetoothDeviceInfo::ConnectionState::kNotConnected,
  1700. devices[0]->connection_state);
  1701. EXPECT_FALSE(devices[0]->is_paired);
  1702. }
  1703. } // namespace device