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/*
* Copyright © 2014 Canonical Ltd.
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License version 3,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* Authored by: Pete Woods <pete.woods@canonical.com>
*/
#include <core/dbus/dbus.h>
#include <core/dbus/fixture.h>
#include <core/dbus/object.h>
#include <core/dbus/property.h>
#include <core/dbus/dbus.h>
#include <core/dbus/service_watcher.h>
#include <core/dbus/types/stl/tuple.h>
#include <core/dbus/types/stl/vector.h>
#include <core/dbus/asio/executor.h>
#include "sig_term_catcher.h"
#include "test_data.h"
#include "test_service.h"
#include "test_service_tiny.h"
#include <core/testing/cross_process_sync.h>
#include <core/testing/fork_and_run.h>
#include <gtest/gtest.h>
#include <system_error>
#include <thread>
namespace dbus = core::dbus;
namespace
{
struct ServiceWatcher : public core::dbus::testing::Fixture
{
};
auto session_bus_config_file =
core::dbus::testing::Fixture::default_session_bus_config_file() =
core::testing::session_bus_configuration_file();
auto system_bus_config_file =
core::dbus::testing::Fixture::default_system_bus_config_file() =
core::testing::system_bus_configuration_file();
}
TEST_F(ServiceWatcher, Registration)
{
core::testing::CrossProcessSync client_is_listening_for_service_registration;
auto service = [this, &client_is_listening_for_service_registration]()
{
core::testing::SigTermCatcher sc;
EXPECT_EQ(std::uint32_t(1),
client_is_listening_for_service_registration.wait_for_signal_ready_for(
std::chrono::milliseconds{500}));
auto bus = session_bus();
bus->install_executor(core::dbus::asio::make_executor(bus));
auto service_tiny = dbus::Service::add_service<test::ServiceTiny>(bus);
auto service = dbus::Service::add_service<test::Service>(bus);
std::thread t{[bus](){ bus->run(); }};
sc.wait_for_signal();
bus->stop();
if (t.joinable())
t.join();
return ::testing::Test::HasFailure() ? core::posix::exit::Status::failure : core::posix::exit::Status::success;
};
auto client = [this, &client_is_listening_for_service_registration]()
{
auto bus = session_bus();
auto executor = core::dbus::asio::make_executor(bus);
bus->install_executor(executor);
std::thread t{[bus](){ bus->run(); }};
dbus::DBus daemon(bus);
dbus::ServiceWatcher::Ptr service_watcher(
daemon.make_service_watcher(dbus::traits::Service<test::Service>::interface_name(),
dbus::DBus::WatchMode::registration));
std::vector<std::pair<std::string, std::string>> owner_changed;
unsigned int service_registered = 0;
unsigned int service_unregistered = 0;
service_watcher->owner_changed().connect(
[&owner_changed](const std::string& old_owner, const std::string& new_owner)
{
owner_changed.push_back({ new_owner, old_owner });
});
service_watcher->service_registered().connect([bus, &service_registered]()
{
++service_registered;
bus->stop();
});
service_watcher->service_unregistered().connect([&service_unregistered]()
{
++service_unregistered;
});
client_is_listening_for_service_registration.try_signal_ready_for(std::chrono::milliseconds{500});
if (t.joinable())
t.join();
EXPECT_EQ(std::uint32_t(1), owner_changed.size());
EXPECT_FALSE(owner_changed.at(0).first.empty());
EXPECT_TRUE(owner_changed.at(0).second.empty());
EXPECT_EQ(std::uint32_t(1), service_registered);
EXPECT_EQ(std::uint32_t(0), service_unregistered);
return ::testing::Test::HasFailure() ? core::posix::exit::Status::failure : core::posix::exit::Status::success;
};
EXPECT_EQ(core::testing::ForkAndRunResult::empty, core::testing::fork_and_run(service, client));
}
TEST_F(ServiceWatcher, Unregistration)
{
core::testing::CrossProcessSync client_is_listening_for_service_unregistration;
auto service = [this, &client_is_listening_for_service_unregistration]()
{
auto bus = session_bus();
bus->install_executor(core::dbus::asio::make_executor(bus));
// Ensure that the client is listening for unregistration before we even
// start the service.
EXPECT_EQ(std::uint32_t(1),
client_is_listening_for_service_unregistration.wait_for_signal_ready_for(
std::chrono::milliseconds{500}));
// We just let this be destroyed immediately
dbus::Service::add_service<test::ServiceTiny>(bus);
std::thread t{[bus](){ bus->run(); }};
bus->stop();
if (t.joinable())
t.join();
return ::testing::Test::HasFailure() ? core::posix::exit::Status::failure : core::posix::exit::Status::success;
};
auto client = [this, &client_is_listening_for_service_unregistration]()
{
auto bus = session_bus();
auto executor = core::dbus::asio::make_executor(bus);
bus->install_executor(executor);
std::thread t{[bus](){ bus->run(); }};
dbus::DBus daemon(bus);
dbus::ServiceWatcher::Ptr service_watcher(
daemon.make_service_watcher(dbus::traits::Service<test::ServiceTiny>::interface_name(),
dbus::DBus::WatchMode::unregistration));
std::vector<std::pair<std::string, std::string>> owner_changed;
unsigned int service_registered = 0;
unsigned int service_unregistered = 0;
service_watcher->owner_changed().connect(
[&owner_changed](const std::string& old_owner, const std::string& new_owner)
{
owner_changed.push_back({ new_owner, old_owner });
});
service_watcher->service_registered().connect([&service_registered]()
{
++service_registered;
});
service_watcher->service_unregistered().connect([bus, &service_unregistered]()
{
++service_unregistered;
bus->stop();
});
client_is_listening_for_service_unregistration.try_signal_ready_for(std::chrono::milliseconds{500});
if (t.joinable())
t.join();
EXPECT_EQ(std::uint32_t(1), owner_changed.size());
EXPECT_TRUE(owner_changed.at(0).first.empty());
EXPECT_FALSE(owner_changed.at(0).second.empty());
EXPECT_EQ(std::uint32_t(0), service_registered);
EXPECT_EQ(std::uint32_t(1), service_unregistered);
return ::testing::Test::HasFailure() ? core::posix::exit::Status::failure : core::posix::exit::Status::success;
};
EXPECT_EQ(core::testing::ForkAndRunResult::empty, core::testing::fork_and_run(service, client));
}
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