Files
nearby/connections/implementation/mediums/bluetooth_classic_test.cc
T
hais f5fcd35ced nearby sdk refactor
PiperOrigin-RevId: 425434260
2022-02-02 11:56:39 -08:00

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10 KiB
C++

// Copyright 2020 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "connections/implementation/mediums/bluetooth_classic.h"
#include <string>
#include "gmock/gmock.h"
#include "protobuf-matchers/protocol-buffer-matchers.h"
#include "gtest/gtest.h"
#include "absl/time/time.h"
#include "connections/implementation/mediums/bluetooth_radio.h"
#include "internal/platform/medium_environment.h"
#include "internal/platform/bluetooth_classic.h"
#include "internal/platform/count_down_latch.h"
#include "internal/platform/logging.h"
#include "internal/platform/system_clock.h"
namespace location {
namespace nearby {
namespace connections {
namespace {
using FeatureFlags = FeatureFlags::Flags;
constexpr FeatureFlags kTestCases[] = {
FeatureFlags{
.enable_cancellation_flag = true,
},
FeatureFlags{
.enable_cancellation_flag = false,
},
};
constexpr absl::Duration kWaitDuration = absl::Milliseconds(1000);
class BluetoothClassicTest : public ::testing::TestWithParam<FeatureFlags> {
protected:
using DiscoveryCallback = BluetoothClassicMedium::DiscoveryCallback;
BluetoothClassicTest() {
env_.Start();
env_.Reset();
radio_a_ = std::make_unique<BluetoothRadio>();
radio_b_ = std::make_unique<BluetoothRadio>();
bt_a_ = std::make_unique<BluetoothClassic>(*radio_a_);
bt_b_ = std::make_unique<BluetoothClassic>(*radio_b_);
radio_a_->GetBluetoothAdapter().SetName("Device-A");
radio_b_->GetBluetoothAdapter().SetName("Device-B");
radio_a_->Enable();
radio_b_->Enable();
env_.Sync();
}
~BluetoothClassicTest() override {
env_.Sync(false);
radio_a_->Disable();
radio_b_->Disable();
bt_a_.reset();
bt_b_.reset();
env_.Sync(false);
radio_a_.reset();
radio_b_.reset();
env_.Reset();
env_.Stop();
}
MediumEnvironment& env_{MediumEnvironment::Instance()};
std::unique_ptr<BluetoothRadio> radio_a_;
std::unique_ptr<BluetoothRadio> radio_b_;
std::unique_ptr<BluetoothClassic> bt_a_;
std::unique_ptr<BluetoothClassic> bt_b_;
};
TEST_P(BluetoothClassicTest, CanConnect) {
FeatureFlags feature_flags = GetParam();
env_.SetFeatureFlags(feature_flags);
constexpr absl::string_view kDeviceName{"Simulated BT device #1"};
constexpr absl::string_view kServiceName{"service name"};
BluetoothRadio& radio_for_client = *radio_a_;
BluetoothRadio& radio_for_server = *radio_b_;
BluetoothClassic& bt_client = *bt_a_;
BluetoothClassic& bt_server = *bt_b_;
EXPECT_TRUE(radio_for_client.IsEnabled());
EXPECT_TRUE(radio_for_server.IsEnabled());
EXPECT_TRUE(bt_server.TurnOnDiscoverability(std::string(kDeviceName)));
EXPECT_EQ(radio_for_server.GetBluetoothAdapter().GetName(),
std::string(kDeviceName));
CountDownLatch latch(1);
BluetoothDevice discovered_device;
EXPECT_TRUE(bt_client.StartDiscovery({
.device_discovered_cb =
[&latch, &discovered_device](BluetoothDevice& device) {
discovered_device = device;
NEARBY_LOG(INFO, "Discovered device=%p [impl=%p]", &device,
&device.GetImpl());
latch.CountDown();
},
}));
EXPECT_TRUE(latch.Await(kWaitDuration).result());
EXPECT_TRUE(bt_server.TurnOffDiscoverability());
ASSERT_TRUE(discovered_device.IsValid());
BluetoothSocket socket_for_server;
CountDownLatch accept_latch(1);
EXPECT_TRUE(bt_server.StartAcceptingConnections(
std::string(kServiceName),
{
.accepted_cb =
[&socket_for_server, &accept_latch](BluetoothSocket socket) {
socket_for_server = std::move(socket);
accept_latch.CountDown();
},
}));
CancellationFlag flag;
BluetoothSocket socket_for_client =
bt_client.Connect(discovered_device, std::string(kServiceName), &flag);
EXPECT_TRUE(accept_latch.Await(kWaitDuration).result());
EXPECT_TRUE(bt_server.StopAcceptingConnections(std::string(kServiceName)));
EXPECT_TRUE(socket_for_server.IsValid());
EXPECT_TRUE(socket_for_client.IsValid());
EXPECT_TRUE(socket_for_server.GetRemoteDevice().IsValid());
EXPECT_TRUE(socket_for_client.GetRemoteDevice().IsValid());
}
TEST_P(BluetoothClassicTest, CanCancelConnect) {
FeatureFlags feature_flags = GetParam();
env_.SetFeatureFlags(feature_flags);
constexpr absl::string_view kDeviceName{"Simulated BT device #1"};
constexpr absl::string_view kServiceName{"service name"};
BluetoothRadio& radio_for_client = *radio_a_;
BluetoothRadio& radio_for_server = *radio_b_;
BluetoothClassic& bt_client = *bt_a_;
BluetoothClassic& bt_server = *bt_b_;
EXPECT_TRUE(radio_for_client.IsEnabled());
EXPECT_TRUE(radio_for_server.IsEnabled());
EXPECT_TRUE(bt_server.TurnOnDiscoverability(std::string(kDeviceName)));
EXPECT_EQ(radio_for_server.GetBluetoothAdapter().GetName(),
std::string(kDeviceName));
CountDownLatch latch(1);
BluetoothDevice discovered_device;
EXPECT_TRUE(bt_client.StartDiscovery({
.device_discovered_cb =
[&latch, &discovered_device](BluetoothDevice& device) {
discovered_device = device;
NEARBY_LOG(INFO, "Discovered device=%p [impl=%p]", &device,
&device.GetImpl());
latch.CountDown();
},
}));
EXPECT_TRUE(latch.Await(kWaitDuration).result());
EXPECT_TRUE(bt_server.TurnOffDiscoverability());
ASSERT_TRUE(discovered_device.IsValid());
BluetoothSocket socket_for_server;
CountDownLatch accept_latch(1);
EXPECT_TRUE(bt_server.StartAcceptingConnections(
std::string(kServiceName),
{
.accepted_cb =
[&socket_for_server, &accept_latch](BluetoothSocket socket) {
socket_for_server = std::move(socket);
accept_latch.CountDown();
},
}));
CancellationFlag flag(true);
BluetoothSocket socket_for_client =
bt_client.Connect(discovered_device, std::string(kServiceName), &flag);
// If FeatureFlag is disabled, Cancelled is false as no-op.
if (!feature_flags.enable_cancellation_flag) {
EXPECT_TRUE(accept_latch.Await(kWaitDuration).result());
EXPECT_TRUE(bt_server.StopAcceptingConnections(std::string(kServiceName)));
EXPECT_TRUE(socket_for_server.IsValid());
EXPECT_TRUE(socket_for_client.IsValid());
EXPECT_TRUE(socket_for_server.GetRemoteDevice().IsValid());
EXPECT_TRUE(socket_for_client.GetRemoteDevice().IsValid());
} else {
EXPECT_FALSE(accept_latch.Await(kWaitDuration).result());
EXPECT_TRUE(bt_server.StopAcceptingConnections(std::string(kServiceName)));
EXPECT_FALSE(socket_for_server.IsValid());
EXPECT_FALSE(socket_for_client.IsValid());
}
}
INSTANTIATE_TEST_SUITE_P(ParametrisedBluetoothClassicTest, BluetoothClassicTest,
::testing::ValuesIn(kTestCases));
TEST_F(BluetoothClassicTest, CanConstructValidObject) {
EXPECT_TRUE(bt_a_->IsMediumValid());
EXPECT_TRUE(bt_a_->IsAdapterValid());
EXPECT_TRUE(bt_a_->IsAvailable());
EXPECT_TRUE(bt_b_->IsMediumValid());
EXPECT_TRUE(bt_b_->IsAdapterValid());
EXPECT_TRUE(bt_b_->IsAvailable());
EXPECT_NE(&radio_a_->GetBluetoothAdapter(), &radio_b_->GetBluetoothAdapter());
}
TEST_F(BluetoothClassicTest, CanStartAdvertising) {
constexpr absl::string_view kDeviceName{"Simulated BT device #1"};
EXPECT_TRUE(bt_a_->TurnOnDiscoverability(std::string(kDeviceName)));
EXPECT_EQ(radio_a_->GetBluetoothAdapter().GetName(), kDeviceName);
}
TEST_F(BluetoothClassicTest, CanStopAdvertising) {
constexpr absl::string_view kDeviceName{"Simulated BT device #1"};
EXPECT_TRUE(bt_a_->TurnOnDiscoverability(std::string(kDeviceName)));
EXPECT_EQ(radio_a_->GetBluetoothAdapter().GetName(), kDeviceName);
EXPECT_TRUE(bt_a_->TurnOffDiscoverability());
}
TEST_F(BluetoothClassicTest, CanStartDiscovery) {
constexpr absl::string_view kDeviceName{"Simulated BT device #1"};
EXPECT_TRUE(bt_a_->TurnOnDiscoverability(std::string(kDeviceName)));
EXPECT_EQ(radio_a_->GetBluetoothAdapter().GetName(), kDeviceName);
CountDownLatch latch(1);
EXPECT_TRUE(bt_b_->StartDiscovery({
.device_discovered_cb =
[&latch](BluetoothDevice& device) { latch.CountDown(); },
}));
EXPECT_TRUE(latch.Await(kWaitDuration).result());
EXPECT_TRUE(bt_a_->TurnOffDiscoverability());
}
TEST_F(BluetoothClassicTest, CanStopDiscovery) {
CountDownLatch latch(1);
EXPECT_TRUE(bt_a_->StartDiscovery({
.device_discovered_cb =
[&latch](BluetoothDevice& device) { latch.CountDown(); },
}));
EXPECT_FALSE(latch.Await(kWaitDuration).result());
EXPECT_TRUE(bt_a_->StopDiscovery());
}
TEST_F(BluetoothClassicTest, CanStartAcceptingConnections) {
constexpr absl::string_view kDeviceName{"Simulated BT device #1"};
constexpr absl::string_view kServiceName{"service name"};
BluetoothRadio& radio_for_client = *radio_a_;
BluetoothRadio& radio_for_server = *radio_b_;
BluetoothClassic& bt_client = *bt_a_;
BluetoothClassic& bt_server = *bt_b_;
EXPECT_TRUE(radio_for_client.IsEnabled());
EXPECT_TRUE(radio_for_server.IsEnabled());
EXPECT_TRUE(bt_server.TurnOnDiscoverability(std::string(kDeviceName)));
EXPECT_EQ(radio_for_server.GetBluetoothAdapter().GetName(), kDeviceName);
CountDownLatch latch(1);
BluetoothDevice discovered_device;
EXPECT_TRUE(bt_client.StartDiscovery({
.device_discovered_cb =
[&latch, &discovered_device](BluetoothDevice& device) {
discovered_device = device;
NEARBY_LOG(INFO, "Discovered device=%p [impl=%p]", &device,
&device.GetImpl());
latch.CountDown();
},
}));
EXPECT_TRUE(latch.Await(kWaitDuration).result());
EXPECT_TRUE(bt_server.TurnOffDiscoverability());
EXPECT_TRUE(discovered_device.IsValid());
EXPECT_TRUE(
bt_server.StartAcceptingConnections(std::string(kServiceName), {}));
// Allow StartAcceptingConnections do something, before stopping it.
// This is best effort, because no callbacks are invoked in this scenario.
SystemClock::Sleep(kWaitDuration);
EXPECT_TRUE(bt_server.StopAcceptingConnections(std::string(kServiceName)));
}
} // namespace
} // namespace connections
} // namespace nearby
} // namespace location