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/*
* Copyright 2016 Canonical Ltd.
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU 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 warranties of
* MERCHANTABILITY, SATISFACTORY QUALITY, or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*
* Authors:
* Charles Kerr <charles.kerr@canonical.com>
*/
#include <tests/utils/qt-fixture.h>
#include <tests/utils/gtest-print-helpers.h>
#include <src/dbus-names.h>
#include <src/greeter.h>
#include <libqtdbustest/DBusTestRunner.h>
#include <libqtdbustest/QProcessDBusService.h>
#include <libqtdbusmock/DBusMock.h>
class GreeterFixture: public QtFixture
{
private:
using super = QtFixture;
public:
GreeterFixture() =default;
~GreeterFixture() =default;
protected:
std::shared_ptr<QtDBusTest::DBusTestRunner> m_dbus_runner;
std::shared_ptr<QtDBusMock::DBusMock> m_dbus_mock;
GDBusConnection* m_bus {};
void SetUp() override
{
super::SetUp();
// use a fresh bus for each test run
m_dbus_runner.reset(new QtDBusTest::DBusTestRunner());
m_dbus_mock.reset(new QtDBusMock::DBusMock(*m_dbus_runner.get()));
GError* error {};
m_bus = g_bus_get_sync (G_BUS_TYPE_SESSION, nullptr, &error);
g_assert_no_error(error);
g_dbus_connection_set_exit_on_close(m_bus, FALSE);
}
void TearDown() override
{
g_clear_object(&m_bus);
super::TearDown();
}
void start_greeter_service(bool is_active)
{
// set a watcher to look for our mock greeter to appear
bool owned {};
QDBusServiceWatcher watcher(
DBusNames::UnityGreeter::NAME,
m_dbus_runner->sessionConnection()
);
QObject::connect(
&watcher,
&QDBusServiceWatcher::serviceRegistered,
[&owned](const QString&){owned = true;}
);
// start the mock greeter
QVariantMap parameters;
parameters["IsActive"] = QVariant(is_active);
m_dbus_mock->registerTemplate(
DBusNames::UnityGreeter::NAME,
GREETER_TEMPLATE,
parameters,
QDBusConnection::SessionBus
);
m_dbus_runner->startServices();
// wait for the watcher
ASSERT_TRUE(wait_for([&owned]{return owned;}));
}
};
#define ASSERT_PROPERTY_EQ_EVENTUALLY(expected_in, property_in) \
do { \
const auto& e = expected_in; \
const auto& p = property_in; \
ASSERT_TRUE(wait_for([e, &p](){return e == p.get();})) \
<< "expected " << e << " but got " << p.get(); \
} while(0)
/**
* Test startup timing by looking at four different cases:
* [unity greeter shows up on bus (before, after) we start listening]
* x [unity greeter is (active, inactive)]
*/
TEST_F(GreeterFixture, ActiveServiceStartsBeforeWatcher)
{
constexpr bool is_active {true};
constexpr Greeter::State expected {Greeter::State::ACTIVE};
start_greeter_service(is_active);
UnityGreeter greeter;
ASSERT_PROPERTY_EQ_EVENTUALLY(expected, greeter.state());
}
TEST_F(GreeterFixture, WatcherStartsBeforeActiveService)
{
constexpr bool is_active {true};
constexpr Greeter::State expected {Greeter::State::ACTIVE};
UnityGreeter greeter;
start_greeter_service(is_active);
ASSERT_PROPERTY_EQ_EVENTUALLY(expected, greeter.state());
}
TEST_F(GreeterFixture, InactiveServiceStartsBeforeWatcher)
{
constexpr bool is_active {false};
constexpr Greeter::State expected {Greeter::State::INACTIVE};
start_greeter_service(is_active);
UnityGreeter greeter;
ASSERT_PROPERTY_EQ_EVENTUALLY(expected, greeter.state());
}
TEST_F(GreeterFixture, WatcherStartsBeforeInactiveService)
{
constexpr bool is_active {false};
constexpr Greeter::State expected {Greeter::State::INACTIVE};
UnityGreeter greeter;
start_greeter_service(is_active);
ASSERT_PROPERTY_EQ_EVENTUALLY(expected, greeter.state());
}
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