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//
// Copyright 2015 Google, Inc.
//
// 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:
//
// http://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 <memory>
#include <sys/socket.h>
#include <sys/un.h>
#include <base/at_exit.h>
#include <base/command_line.h>
#include <base/files/scoped_file.h>
#include <base/run_loop.h>
#include <base/strings/stringprintf.h>
#include <gtest/gtest.h>
#include "abstract_message_loop"
#include "array_utils.h"
#include "service/adapter.h"
#include "service/hal/fake_bluetooth_gatt_interface.h"
#include "service/hal/fake_bluetooth_interface.h"
#include "service/ipc/ipc_manager.h"
#include "service/settings.h"
#include "service/test/mock_daemon.h"
namespace {
using testing::Return;
const char kTestSocketPath[] = "test_socket_path";
class IPCLinuxTest : public ::testing::Test {
public:
IPCLinuxTest() = default;
IPCLinuxTest(const IPCLinuxTest&) = delete;
IPCLinuxTest& operator=(const IPCLinuxTest&) = delete;
~IPCLinuxTest() override = default;
void SetUp() override {
SetUpCommandLine();
ASSERT_TRUE(settings_.Init());
auto mock_daemon = new bluetooth::testing::MockDaemon();
ON_CALL(*mock_daemon, GetSettings()).WillByDefault(Return(&settings_));
ON_CALL(*mock_daemon, GetMessageLoop())
.WillByDefault(Return(&message_loop_));
bluetooth::Daemon::InitializeForTesting(mock_daemon);
bluetooth::hal::BluetoothInterface::InitializeForTesting(
new bluetooth::hal::FakeBluetoothInterface());
bluetooth::hal::BluetoothGattInterface::InitializeForTesting(
new bluetooth::hal::FakeBluetoothGattInterface(nullptr, nullptr,
nullptr, nullptr));
adapter_ = bluetooth::Adapter::Create();
ipc_manager_.reset(new ipc::IPCManager(adapter_.get()));
}
void TearDown() override {
client_fd_.reset();
ipc_manager_.reset();
adapter_.reset();
bluetooth::hal::BluetoothGattInterface::CleanUp();
bluetooth::hal::BluetoothInterface::CleanUp();
bluetooth::Daemon::ShutDown();
base::CommandLine::Reset();
}
virtual void SetUpCommandLine() {
std::string ipc_socket_arg =
base::StringPrintf("--create-ipc-socket=%s", kTestSocketPath);
const base::CommandLine::CharType* argv[] = {
"program", ipc_socket_arg.c_str(),
};
base::CommandLine::Init(ARRAY_SIZE(argv), argv);
}
void ConnectToTestSocket() {
client_fd_.reset(socket(PF_UNIX, SOCK_SEQPACKET, 0));
ASSERT_TRUE(client_fd_.is_valid());
struct sockaddr_un address;
memset(&address, 0, sizeof(address));
address.sun_family = AF_UNIX;
strncpy(address.sun_path, kTestSocketPath, sizeof(address.sun_path) - 1);
int status =
connect(client_fd_.get(), (struct sockaddr*)&address, sizeof(address));
EXPECT_EQ(0, status);
}
protected:
base::AtExitManager exit_manager_;
DEFINE_TEST_TASK_ENV(message_loop_);
bluetooth::Settings settings_;
std::unique_ptr<bluetooth::Adapter> adapter_;
std::unique_ptr<ipc::IPCManager> ipc_manager_;
base::ScopedFD client_fd_;
};
class IPCLinuxTestDisabled : public IPCLinuxTest {
public:
IPCLinuxTestDisabled() = default;
IPCLinuxTestDisabled(const IPCLinuxTestDisabled&) = delete;
IPCLinuxTestDisabled& operator=(const IPCLinuxTestDisabled&) = delete;
~IPCLinuxTestDisabled() override = default;
void SetUpCommandLine() override {
// Set up with no --ipc-socket-path
const base::CommandLine::CharType* argv[] = {"program"};
base::CommandLine::Init(ARRAY_SIZE(argv), argv);
}
};
class TestDelegate : public ipc::IPCManager::Delegate,
public base::SupportsWeakPtr<TestDelegate> {
public:
TestDelegate() : started_count_(0), stopped_count_(0) {}
TestDelegate(const TestDelegate&) = delete;
TestDelegate& operator=(const TestDelegate&) = delete;
void OnIPCHandlerStarted(ipc::IPCManager::Type type) override {
ASSERT_EQ(ipc::IPCManager::TYPE_LINUX, type);
started_count_++;
btbase::AbstractTestMessageLoop::currentIO()->QuitWhenIdle();
}
void OnIPCHandlerStopped(ipc::IPCManager::Type type) override {
ASSERT_EQ(ipc::IPCManager::TYPE_LINUX, type);
stopped_count_++;
btbase::AbstractTestMessageLoop::currentIO()->QuitWhenIdle();
}
int started_count() const { return started_count_; }
int stopped_count() const { return stopped_count_; }
private:
int started_count_;
int stopped_count_;
};
TEST_F(IPCLinuxTestDisabled, StartWithNoSocketPath) {
TestDelegate delegate;
EXPECT_FALSE(ipc_manager_->Start(ipc::IPCManager::TYPE_LINUX, &delegate));
EXPECT_FALSE(ipc_manager_->LinuxStarted());
EXPECT_EQ(0, delegate.started_count());
EXPECT_EQ(0, delegate.stopped_count());
}
TEST_F(IPCLinuxTest, BasicStartAndExit) {
TestDelegate delegate;
EXPECT_TRUE(ipc_manager_->Start(ipc::IPCManager::TYPE_LINUX, &delegate));
EXPECT_TRUE(ipc_manager_->LinuxStarted());
// Run the message loop. We will stop the loop when we receive a delegate
// event.
base::RunLoop().Run();
// We should have received the started event.
EXPECT_EQ(1, delegate.started_count());
EXPECT_EQ(0, delegate.stopped_count());
// At this point the thread is blocking on accept and listening for incoming
// connections. TearDown should gracefully clean up the thread and the test
// should succeed without hanging.
ipc_manager_.reset();
base::RunLoop().Run();
EXPECT_EQ(1, delegate.stopped_count());
}
TEST_F(IPCLinuxTest, BasicStartAndConnect) {
TestDelegate delegate;
EXPECT_TRUE(ipc_manager_->Start(ipc::IPCManager::TYPE_LINUX, &delegate));
EXPECT_TRUE(ipc_manager_->LinuxStarted());
// Run the message loop. We will stop the loop when we receive a delegate
// event.
base::RunLoop().Run();
// We should have received the started event.
EXPECT_EQ(1, delegate.started_count());
EXPECT_EQ(0, delegate.stopped_count());
// IPC successfully started. Now attempt to connect to the socket.
ConnectToTestSocket();
// TODO(armansito): Test that the IPC event loop shuts down cleanly while a
// client is connected. Currently this will fail and the fix is to use
// MessageLoopForIO rather than a custom event loop.
}
} // namespace
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