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/*
* Copyright © 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 2 or 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 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/>.
*/
#include "src/server/input/default_input_device_hub.h"
#include "mir/test/doubles/mock_input_device_hub.h"
#include "mir/test/doubles/mock_device.h"
#include "mir/test/doubles/mock_input_device_observer.h"
#include "mir/test/doubles/triggered_main_loop.h"
#include "mir/test/fake_shared.h"
namespace mt = mir::test;
namespace mtd = mt::doubles;
namespace mi = mir::input;
using namespace testing;
namespace
{
struct WrappedHub : mtd::MockInputDeviceHub
{
std::shared_ptr<mi::InputDeviceObserver> external_hub;
void add_observer(std::shared_ptr<mi::InputDeviceObserver> const& observer)
{
external_hub = observer;
}
};
struct ExternalInputDeviceHub : ::testing::Test
{
mtd::TriggeredMainLoop server_actions;
std::shared_ptr<WrappedHub> wrapped_hub{std::make_shared<WrappedHub>()};
mi::ExternalInputDeviceHub hub{wrapped_hub, mt::fake_shared(server_actions)};
NiceMock<mtd::MockInputDeviceObserver> mock_observer;
NiceMock<mtd::MockDevice> device{1, mi::DeviceCapability::unknown, "name", "name-id-1"};
NiceMock<mtd::MockDevice> another_device{2, mi::DeviceCapability::keyboard, "keyboard", "keyboard-id-2"};
void submit_device_to_hub(std::shared_ptr<mi::Device> const& dev)
{
wrapped_hub->external_hub->device_added(dev);
wrapped_hub->external_hub->changes_complete();
}
void remove_device_to_hub(std::shared_ptr<mi::Device> const& dev)
{
wrapped_hub->external_hub->device_removed(dev);
wrapped_hub->external_hub->changes_complete();
}
};
}
TEST_F(ExternalInputDeviceHub, is_observer_to_wrapped_hub)
{
EXPECT_THAT(wrapped_hub->external_hub, Ne(nullptr));
}
TEST_F(ExternalInputDeviceHub, new_observer_is_called_through_server_action)
{
EXPECT_CALL(mock_observer, changes_complete()).Times(1);
hub.add_observer(mt::fake_shared(mock_observer));
server_actions.trigger_server_actions();
}
TEST_F(ExternalInputDeviceHub, informs_observer_about_existing_devices)
{
submit_device_to_hub(mt::fake_shared(device));
submit_device_to_hub(mt::fake_shared(another_device));
EXPECT_CALL(mock_observer, device_added(_)).Times(2);
EXPECT_CALL(mock_observer, changes_complete()).Times(1);
hub.add_observer(mt::fake_shared(mock_observer));
server_actions.trigger_server_actions();
}
TEST_F(ExternalInputDeviceHub, informs_observer_about_added_devices)
{
InSequence seq;
EXPECT_CALL(mock_observer, changes_complete());
EXPECT_CALL(mock_observer, device_added(_));
EXPECT_CALL(mock_observer, changes_complete());
hub.add_observer(mt::fake_shared(mock_observer));
server_actions.trigger_server_actions();
submit_device_to_hub(mt::fake_shared(device));
server_actions.trigger_server_actions();
}
TEST_F(ExternalInputDeviceHub, triggers_observer_on_removed_devices)
{
submit_device_to_hub(mt::fake_shared(device));
EXPECT_CALL(mock_observer, device_added(_)).Times(1);
EXPECT_CALL(mock_observer, changes_complete()).Times(1);
hub.add_observer(mt::fake_shared(mock_observer));
server_actions.trigger_server_actions();
EXPECT_CALL(mock_observer, device_removed(_)).Times(1);
EXPECT_CALL(mock_observer, changes_complete()).Times(1);
remove_device_to_hub(mt::fake_shared(device));
server_actions.trigger_server_actions();
}
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