kwin/autotests/integration/xwaylandserver_restart_test.cpp
Vlad Zahorodnii 6d3f00e82c autotests: Remove QVERIFY(signalSpy.isValid())
We use the PMF syntax so the isValid() check is unnecessary as the
compiler will notify about wrong signal at compile time. It makes
writing autotests feel less boilerplaty.
2022-09-14 09:21:29 +00:00

116 lines
3.9 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 "core/platform.h"
#include "main.h"
#include "scene.h"
#include "wayland_server.h"
#include "workspace.h"
#include "x11window.h"
#include "xwayland/xwayland.h"
#include "xwayland/xwaylandlauncher.h"
#include <xcb/xcb_icccm.h>
namespace KWin
{
struct XcbConnectionDeleter
{
void operator()(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);
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());
}
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 *>(kwinApp()->xwayland());
// Pretend that the Xwayland process has crashed by sending a SIGKILL to it.
QSignalSpy startedSpy(xwayland, &Xwl::Xwayland::started);
kwin_safe_kill(xwayland->xwaylandLauncher()->process());
QVERIFY(startedSpy.wait());
QCOMPARE(startedSpy.count(), 1);
// Check that the compositor still accepts new X11 clients.
std::unique_ptr<xcb_connection_t, XcbConnectionDeleter> c(xcb_connect(nullptr, nullptr));
QVERIFY(!xcb_connection_has_error(c.get()));
const QRect rect(0, 0, 100, 200);
xcb_window_t windowId = xcb_generate_id(c.get());
xcb_create_window(c.get(), XCB_COPY_FROM_PARENT, windowId, 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.get(), windowId, &hints);
xcb_map_window(c.get(), windowId);
xcb_flush(c.get());
QSignalSpy windowCreatedSpy(workspace(), &Workspace::windowAdded);
QVERIFY(windowCreatedSpy.wait());
X11Window *window = windowCreatedSpy.last().first().value<X11Window *>();
QVERIFY(window);
QCOMPARE(window->window(), windowId);
QVERIFY(window->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.get(), windowId);
xcb_flush(c.get());
QVERIFY(Test::waitForWindowDestroyed(window));
}
} // namespace KWin
WAYLANDTEST_MAIN(KWin::XwaylandServerRestartTest)
#include "xwaylandserver_restart_test.moc"