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// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <vector>
#include "base/bind.h"
#include "base/logging.h"
#include "base/macros.h"
#include "base/memory/ref_counted.h"
#include "base/memory/scoped_ptr.h"
#include "base/message_loop/message_loop.h"
#include "device/bluetooth/bluetooth_adapter.h"
#include "device/bluetooth/bluetooth_adapter_factory.h"
#include "device/bluetooth/bluetooth_advertisement.h"
#include "device/bluetooth/bluetooth_advertisement_bluez.h"
#include "device/bluetooth/dbus/bluez_dbus_manager.h"
#include "device/bluetooth/dbus/fake_bluetooth_le_advertisement_service_provider.h"
#include "testing/gtest/include/gtest/gtest.h"
using device::BluetoothAdapter;
using device::BluetoothAdapterFactory;
using device::BluetoothAdvertisement;
namespace bluez {
class TestAdvertisementObserver : public BluetoothAdvertisement::Observer {
public:
explicit TestAdvertisementObserver(
scoped_refptr<BluetoothAdvertisement> advertisement)
: released_(false), advertisement_(advertisement) {
advertisement_->AddObserver(this);
}
~TestAdvertisementObserver() override {
advertisement_->RemoveObserver(this);
}
// BluetoothAdvertisement::Observer overrides:
void AdvertisementReleased(BluetoothAdvertisement* advertisement) override {
released_ = true;
}
bool released() { return released_; }
private:
bool released_;
scoped_refptr<BluetoothAdvertisement> advertisement_;
DISALLOW_COPY_AND_ASSIGN(TestAdvertisementObserver);
};
class BluetoothAdvertisementBlueZTest : public testing::Test {
public:
void SetUp() override {
bluez::BluezDBusManager::Initialize(nullptr /* bus */,
true /* use_dbus_stub */);
callback_count_ = 0;
error_callback_count_ = 0;
last_callback_count_ = 0;
last_error_callback_count_ = 0;
last_error_code_ = BluetoothAdvertisement::INVALID_ADVERTISEMENT_ERROR_CODE;
GetAdapter();
}
void TearDown() override {
observer_.reset();
// The adapter should outlive the advertisement.
advertisement_ = nullptr;
adapter_ = nullptr;
bluez::BluezDBusManager::Shutdown();
}
// Gets the existing Bluetooth adapter.
void GetAdapter() {
BluetoothAdapterFactory::GetAdapter(
base::Bind(&BluetoothAdvertisementBlueZTest::GetAdapterCallback,
base::Unretained(this)));
base::MessageLoop::current()->Run();
}
// Called whenever BluetoothAdapter is retrieved successfully.
void GetAdapterCallback(scoped_refptr<BluetoothAdapter> adapter) {
adapter_ = adapter;
ASSERT_NE(adapter_.get(), nullptr);
ASSERT_TRUE(adapter_->IsInitialized());
if (base::MessageLoop::current() &&
base::MessageLoop::current()->is_running()) {
base::MessageLoop::current()->QuitWhenIdle();
}
}
scoped_ptr<BluetoothAdvertisement::Data> CreateAdvertisementData() {
scoped_ptr<BluetoothAdvertisement::Data> data =
make_scoped_ptr(new BluetoothAdvertisement::Data(
BluetoothAdvertisement::ADVERTISEMENT_TYPE_BROADCAST));
data->set_service_uuids(
make_scoped_ptr(new BluetoothAdvertisement::UUIDList()));
data->set_manufacturer_data(
make_scoped_ptr(new BluetoothAdvertisement::ManufacturerData()));
data->set_solicit_uuids(
make_scoped_ptr(new BluetoothAdvertisement::UUIDList()));
data->set_service_data(
make_scoped_ptr(new BluetoothAdvertisement::ServiceData()));
return data;
}
// Creates and registers an advertisement with the adapter.
scoped_refptr<BluetoothAdvertisement> CreateAdvertisement() {
// Clear the last advertisement we created.
advertisement_ = nullptr;
adapter_->RegisterAdvertisement(
CreateAdvertisementData(),
base::Bind(&BluetoothAdvertisementBlueZTest::RegisterCallback,
base::Unretained(this)),
base::Bind(&BluetoothAdvertisementBlueZTest::AdvertisementErrorCallback,
base::Unretained(this)));
message_loop_.RunUntilIdle();
return advertisement_;
}
void UnregisterAdvertisement(
scoped_refptr<BluetoothAdvertisement> advertisement) {
advertisement->Unregister(
base::Bind(&BluetoothAdvertisementBlueZTest::Callback,
base::Unretained(this)),
base::Bind(&BluetoothAdvertisementBlueZTest::AdvertisementErrorCallback,
base::Unretained(this)));
message_loop_.RunUntilIdle();
}
void TriggerReleased(scoped_refptr<BluetoothAdvertisement> advertisement) {
BluetoothAdvertisementBlueZ* adv =
static_cast<BluetoothAdvertisementBlueZ*>(advertisement.get());
bluez::FakeBluetoothLEAdvertisementServiceProvider* provider =
static_cast<bluez::FakeBluetoothLEAdvertisementServiceProvider*>(
adv->provider());
provider->Release();
}
// Called whenever RegisterAdvertisement is completed successfully.
void RegisterCallback(scoped_refptr<BluetoothAdvertisement> advertisement) {
++callback_count_;
advertisement_ = advertisement;
ASSERT_NE(advertisement_.get(), nullptr);
}
void AdvertisementErrorCallback(
BluetoothAdvertisement::ErrorCode error_code) {
++error_callback_count_;
last_error_code_ = error_code;
}
// Generic callbacks.
void Callback() { ++callback_count_; }
void ErrorCallback() { ++error_callback_count_; }
void ExpectSuccess() {
EXPECT_EQ(last_error_callback_count_, error_callback_count_);
EXPECT_EQ(last_callback_count_ + 1, callback_count_);
last_callback_count_ = callback_count_;
last_error_callback_count_ = error_callback_count_;
}
void ExpectError(BluetoothAdvertisement::ErrorCode error_code) {
EXPECT_EQ(last_callback_count_, callback_count_);
EXPECT_EQ(last_error_callback_count_ + 1, error_callback_count_);
last_callback_count_ = callback_count_;
last_error_callback_count_ = error_callback_count_;
EXPECT_EQ(error_code, last_error_code_);
}
protected:
int callback_count_;
int error_callback_count_;
int last_callback_count_;
int last_error_callback_count_;
BluetoothAdvertisement::ErrorCode last_error_code_;
base::MessageLoopForIO message_loop_;
scoped_ptr<TestAdvertisementObserver> observer_;
scoped_refptr<BluetoothAdapter> adapter_;
scoped_refptr<BluetoothAdvertisement> advertisement_;
};
TEST_F(BluetoothAdvertisementBlueZTest, RegisterSucceeded) {
scoped_refptr<BluetoothAdvertisement> advertisement = CreateAdvertisement();
ExpectSuccess();
EXPECT_NE(nullptr, advertisement);
UnregisterAdvertisement(advertisement);
ExpectSuccess();
}
TEST_F(BluetoothAdvertisementBlueZTest, DoubleRegisterFailed) {
scoped_refptr<BluetoothAdvertisement> advertisement = CreateAdvertisement();
ExpectSuccess();
EXPECT_NE(nullptr, advertisement);
// Creating a second advertisement should give us an error.
scoped_refptr<BluetoothAdvertisement> advertisement2 = CreateAdvertisement();
ExpectError(BluetoothAdvertisement::ERROR_ADVERTISEMENT_ALREADY_EXISTS);
EXPECT_EQ(nullptr, advertisement2);
}
TEST_F(BluetoothAdvertisementBlueZTest, DoubleUnregisterFailed) {
scoped_refptr<BluetoothAdvertisement> advertisement = CreateAdvertisement();
ExpectSuccess();
EXPECT_NE(nullptr, advertisement);
UnregisterAdvertisement(advertisement);
ExpectSuccess();
// Unregistering an already unregistered advertisement should give us an
// error.
UnregisterAdvertisement(advertisement);
ExpectError(BluetoothAdvertisement::ERROR_ADVERTISEMENT_DOES_NOT_EXIST);
}
TEST_F(BluetoothAdvertisementBlueZTest, UnregisterAfterReleasedFailed) {
scoped_refptr<BluetoothAdvertisement> advertisement = CreateAdvertisement();
ExpectSuccess();
EXPECT_NE(nullptr, advertisement);
observer_.reset(new TestAdvertisementObserver(advertisement));
TriggerReleased(advertisement);
EXPECT_TRUE(observer_->released());
// Unregistering an advertisement that has been released should give us an
// error.
UnregisterAdvertisement(advertisement);
ExpectError(BluetoothAdvertisement::ERROR_ADVERTISEMENT_DOES_NOT_EXIST);
}
} // namespace bluez
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