bluetooth: Expose service data from BlueZ

device/bluetooth/bluez/bluetooth_bluez_unittest.cc

Index: device/bluetooth/bluez/bluetooth_bluez_unittest.cc
diff --git a/device/bluetooth/bluez/bluetooth_bluez_unittest.cc b/device/bluetooth/bluez/bluetooth_bluez_unittest.cc
index 8d9e0ae414b13e7e9deab783680e20e7d5a24cca..13863266230594d59258b4f626eaa2324d9c2153 100644
--- a/device/bluetooth/bluez/bluetooth_bluez_unittest.cc
+++ b/device/bluetooth/bluez/bluetooth_bluez_unittest.cc
@@ -4486,4 +4486,67 @@ TEST_F(BluetoothBlueZTest, Shutdown_OnStopDiscoveryError) {
   EXPECT_EQ(1 + kNumberOfDiscoverySessions, error_callback_count_);
 }
 
+TEST_F(BluetoothBlueZTest, ServiceDataChanged) {
+  // Simulate a change of service data of a device.
+  GetAdapter();
+
+  BluetoothDevice* device = adapter_->GetDevice(
+      bluez::FakeBluetoothDeviceClient::kPairedDeviceAddress);
+
+  // Install an observer; expect the DeviceChanged method to be called
+  // when we change the service data.
+  TestBluetoothAdapterObserver observer(adapter_);
+
+  bluez::FakeBluetoothDeviceClient::Properties* properties =
+      fake_bluetooth_device_client_->GetProperties(dbus::ObjectPath(
+          bluez::FakeBluetoothDeviceClient::kPairedDevicePath));
+
+  properties->service_data.set_valid(true);
+
+  // Check that ServiceDataChanged is correctly invoke.
+  properties->service_data.ReplaceValue({{kGapUuid, {1, 2, 3}}});
+  EXPECT_EQ(1, observer.device_changed_count());
+  EXPECT_EQ(device, observer.last_device());
+  EXPECT_EQ(
+      BluetoothDevice::ServiceDataMap({{BluetoothUUID(kGapUuid), {1, 2, 3}}}),
+      device->GetServiceData());
+  EXPECT_EQ(BluetoothDevice::UUIDSet({BluetoothUUID(kGapUuid)}),
+            device->GetServiceDataUUIDs());
+  EXPECT_EQ(std::vector<uint8_t>({1, 2, 3}),
+            *(device->GetServiceDataForUUID(BluetoothUUID(kGapUuid))));
+
+  // Check that we can update service data with same uuid / add more uuid.
+  properties->service_data.ReplaceValue(
+      {{kGapUuid, {3, 2, 1}}, {kGattUuid, {1}}});
+  EXPECT_EQ(2, observer.device_changed_count());
+  EXPECT_EQ(device, observer.last_device());
+
+  EXPECT_EQ(
+      BluetoothDevice::ServiceDataMap({{BluetoothUUID(kGapUuid), {3, 2, 1}},
+                                       {BluetoothUUID(kGattUuid), {1}}}),
+      device->GetServiceData());
+  EXPECT_EQ(BluetoothDevice::UUIDSet(
+                {BluetoothUUID(kGapUuid), BluetoothUUID(kGattUuid)}),
+            device->GetServiceDataUUIDs());
+  EXPECT_EQ(std::vector<uint8_t>({3, 2, 1}),
+            *(device->GetServiceDataForUUID(BluetoothUUID(kGapUuid))));
+  EXPECT_EQ(std::vector<uint8_t>({1}),
+            *(device->GetServiceDataForUUID(BluetoothUUID(kGattUuid))));
+
+  // Check that we can remove uuid / change uuid with same data.
+  properties->service_data.ReplaceValue({{kPnpUuid, {3, 2, 1}}});
+  EXPECT_EQ(3, observer.device_changed_count());
+  EXPECT_EQ(device, observer.last_device());
+
+  EXPECT_EQ(
+      BluetoothDevice::ServiceDataMap({{BluetoothUUID(kPnpUuid), {3, 2, 1}}}),
+      device->GetServiceData());
+  EXPECT_EQ(BluetoothDevice::UUIDSet({BluetoothUUID(kPnpUuid)}),
+            device->GetServiceDataUUIDs());
+  EXPECT_EQ(std::vector<uint8_t>({3, 2, 1}),
+            *(device->GetServiceDataForUUID(BluetoothUUID(kPnpUuid))));
+  EXPECT_EQ(nullptr, device->GetServiceDataForUUID(BluetoothUUID(kGapUuid)));
+  EXPECT_EQ(nullptr, device->GetServiceDataForUUID(BluetoothUUID(kGattUuid)));
+}
+
 }  // namespace bluez