kwin/autotests/integration/xwaylandserver_restart_test.cpp
David Edmundson 2a6746a921 XWayland:split connection and process spawning
These are two conceptually different tasks that were intertwined.
On it's own it doesn't accomplish anything but is an important refactor
for longer term goals, namely:

- moving xwayland into kwin_wayland_wrapper with our wayland restart
handling support
- having multiple X connections

Behaviour should be the same.
2022-03-22 16:25:12 +00:00

123 lines
4.2 KiB
C++

/*
SPDX-FileCopyrightText: 2020 Vlad Zahorodnii <vlad.zahorodnii@kde.org>
SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "kwin_wayland_test.h"
#include "composite.h"
#include "main.h"
#include "platform.h"
#include "scene.h"
#include "screens.h"
#include "wayland_server.h"
#include "workspace.h"
#include "x11client.h"
#include "xwl/xwayland.h"
#include "xwl/xwaylandlauncher.h"
#include <xcb/xcb_icccm.h>
namespace KWin
{
struct XcbConnectionDeleter
{
static inline void cleanup(xcb_connection_t *pointer)
{
xcb_disconnect(pointer);
}
};
static const QString s_socketName = QStringLiteral("wayland_test_kwin_xwayland_server_restart-0");
class XwaylandServerRestartTest : public QObject
{
Q_OBJECT
private Q_SLOTS:
void initTestCase();
void testRestart();
};
void XwaylandServerRestartTest::initTestCase()
{
QSignalSpy applicationStartedSpy(kwinApp(), &Application::started);
QVERIFY(applicationStartedSpy.isValid());
kwinApp()->platform()->setInitialWindowSize(QSize(1280, 1024));
QVERIFY(waylandServer()->init(s_socketName));
QMetaObject::invokeMethod(kwinApp()->platform(), "setVirtualOutputs", Qt::DirectConnection, Q_ARG(int, 2));
KSharedConfig::Ptr config = KSharedConfig::openConfig(QString(), KConfig::SimpleConfig);
KConfigGroup xwaylandGroup = config->group("Xwayland");
xwaylandGroup.writeEntry(QStringLiteral("XwaylandCrashPolicy"), QStringLiteral("Restart"));
xwaylandGroup.sync();
kwinApp()->setConfig(config);
kwinApp()->start();
QVERIFY(applicationStartedSpy.wait());
QCOMPARE(screens()->count(), 2);
QCOMPARE(screens()->geometry(0), QRect(0, 0, 1280, 1024));
QCOMPARE(screens()->geometry(1), QRect(1280, 0, 1280, 1024));
Test::initWaylandWorkspace();
}
static void kwin_safe_kill(QProcess *process)
{
// The SIGKILL signal must be sent when the event loop is spinning.
QTimer::singleShot(1, process, &QProcess::kill);
}
void XwaylandServerRestartTest::testRestart()
{
// This test verifies that the Xwayland server will be restarted after a crash.
Xwl::Xwayland *xwayland = static_cast<Xwl::Xwayland *>(XwaylandInterface::self());
// Pretend that the Xwayland process has crashed by sending a SIGKILL to it.
QSignalSpy startedSpy(xwayland, &Xwl::Xwayland::started);
QVERIFY(startedSpy.isValid());
kwin_safe_kill(xwayland->xwaylandLauncher()->process());
QVERIFY(startedSpy.wait());
QCOMPARE(startedSpy.count(), 1);
// Check that the compositor still accepts new X11 clients.
QScopedPointer<xcb_connection_t, XcbConnectionDeleter> c(xcb_connect(nullptr, nullptr));
QVERIFY(!xcb_connection_has_error(c.data()));
const QRect rect(0, 0, 100, 200);
xcb_window_t window = xcb_generate_id(c.data());
xcb_create_window(c.data(), XCB_COPY_FROM_PARENT, window, rootWindow(),
rect.x(), rect.y(), rect.width(), rect.height(), 0,
XCB_WINDOW_CLASS_INPUT_OUTPUT, XCB_COPY_FROM_PARENT, 0, nullptr);
xcb_size_hints_t hints;
memset(&hints, 0, sizeof(hints));
xcb_icccm_size_hints_set_position(&hints, 1, rect.x(), rect.y());
xcb_icccm_size_hints_set_size(&hints, 1, rect.width(), rect.height());
xcb_icccm_size_hints_set_min_size(&hints, rect.width(), rect.height());
xcb_icccm_set_wm_normal_hints(c.data(), window, &hints);
xcb_map_window(c.data(), window);
xcb_flush(c.data());
QSignalSpy windowCreatedSpy(workspace(), &Workspace::clientAdded);
QVERIFY(windowCreatedSpy.isValid());
QVERIFY(windowCreatedSpy.wait());
X11Client *client = windowCreatedSpy.last().first().value<X11Client *>();
QVERIFY(client);
QCOMPARE(client->window(), window);
QVERIFY(client->isDecorated());
// Render a frame to ensure that the compositor doesn't crash.
Compositor::self()->scene()->addRepaintFull();
QSignalSpy frameRenderedSpy(Compositor::self()->scene(), &Scene::frameRendered);
QVERIFY(frameRenderedSpy.wait());
// Destroy the test window.
xcb_destroy_window(c.data(), window);
xcb_flush(c.data());
QVERIFY(Test::waitForWindowDestroyed(client));
}
} // namespace KWin
WAYLANDTEST_MAIN(KWin::XwaylandServerRestartTest)
#include "xwaylandserver_restart_test.moc"