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115 lines
3.9 KiB
C++
115 lines
3.9 KiB
C++
/*
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SPDX-FileCopyrightText: 2020 Vlad Zahorodnii <vlad.zahorodnii@kde.org>
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SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#include "kwin_wayland_test.h"
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#include "composite.h"
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#include "core/outputbackend.h"
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#include "main.h"
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#include "scene/workspacescene.h"
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#include "wayland_server.h"
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#include "workspace.h"
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#include "x11window.h"
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#include "xwayland/xwayland.h"
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#include "xwayland/xwaylandlauncher.h"
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#include <xcb/xcb_icccm.h>
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namespace KWin
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{
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static const QString s_socketName = QStringLiteral("wayland_test_kwin_xwayland_server_restart-0");
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class XwaylandServerRestartTest : public QObject
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{
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Q_OBJECT
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private Q_SLOTS:
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void initTestCase();
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void testRestart();
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};
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void XwaylandServerRestartTest::initTestCase()
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{
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QSignalSpy applicationStartedSpy(kwinApp(), &Application::started);
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QVERIFY(waylandServer()->init(s_socketName));
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QMetaObject::invokeMethod(kwinApp()->outputBackend(), "setVirtualOutputs", Qt::DirectConnection, Q_ARG(QVector<QRect>, QVector<QRect>() << QRect(0, 0, 1280, 1024) << QRect(1280, 0, 1280, 1024)));
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KSharedConfig::Ptr config = KSharedConfig::openConfig(QString(), KConfig::SimpleConfig);
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KConfigGroup xwaylandGroup = config->group("Xwayland");
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xwaylandGroup.writeEntry(QStringLiteral("XwaylandCrashPolicy"), QStringLiteral("Restart"));
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xwaylandGroup.sync();
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kwinApp()->setConfig(config);
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kwinApp()->start();
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QVERIFY(applicationStartedSpy.wait());
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}
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static void kwin_safe_kill(QProcess *process)
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{
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// The SIGKILL signal must be sent when the event loop is spinning.
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QTimer::singleShot(1, process, &QProcess::kill);
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}
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void XwaylandServerRestartTest::testRestart()
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{
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// This test verifies that the Xwayland server will be restarted after a crash.
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Xwl::Xwayland *xwayland = static_cast<Xwl::Xwayland *>(kwinApp()->xwayland());
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QSignalSpy startedSpy(xwayland, &Xwl::Xwayland::started);
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QSignalSpy stoppedSpy(xwayland, &Xwl::Xwayland::errorOccurred);
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Test::createX11Connection(); // trigger an X11 start
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QTRY_COMPARE(startedSpy.count(), 1);
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// Pretend that the Xwayland process has crashed by sending a SIGKILL to it.
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kwin_safe_kill(xwayland->xwaylandLauncher()->process());
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QTRY_COMPARE(stoppedSpy.count(), 1);
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// Check that the compositor still accepts new X11 clients.
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Test::XcbConnectionPtr c = Test::createX11Connection();
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QVERIFY(!xcb_connection_has_error(c.get()));
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QTRY_COMPARE(startedSpy.count(), 2);
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const QRect rect(0, 0, 100, 200);
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xcb_window_t windowId = xcb_generate_id(c.get());
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xcb_create_window(c.get(), XCB_COPY_FROM_PARENT, windowId, rootWindow(),
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rect.x(), rect.y(), rect.width(), rect.height(), 0,
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XCB_WINDOW_CLASS_INPUT_OUTPUT, XCB_COPY_FROM_PARENT, 0, nullptr);
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xcb_size_hints_t hints;
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memset(&hints, 0, sizeof(hints));
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xcb_icccm_size_hints_set_position(&hints, 1, rect.x(), rect.y());
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xcb_icccm_size_hints_set_size(&hints, 1, rect.width(), rect.height());
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xcb_icccm_size_hints_set_min_size(&hints, rect.width(), rect.height());
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xcb_icccm_set_wm_normal_hints(c.get(), windowId, &hints);
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xcb_map_window(c.get(), windowId);
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xcb_flush(c.get());
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QSignalSpy windowCreatedSpy(workspace(), &Workspace::windowAdded);
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QVERIFY(windowCreatedSpy.wait());
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X11Window *window = windowCreatedSpy.last().first().value<X11Window *>();
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QVERIFY(window);
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QCOMPARE(window->window(), windowId);
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QVERIFY(window->isDecorated());
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// Render a frame to ensure that the compositor doesn't crash.
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Compositor::self()->scene()->addRepaintFull();
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QSignalSpy frameRenderedSpy(Compositor::self()->scene(), &WorkspaceScene::frameRendered);
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QVERIFY(frameRenderedSpy.wait());
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// Destroy the test window.
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xcb_destroy_window(c.get(), windowId);
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xcb_flush(c.get());
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QVERIFY(Test::waitForWindowDestroyed(window));
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}
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} // namespace KWin
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WAYLANDTEST_MAIN(KWin::XwaylandServerRestartTest)
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#include "xwaylandserver_restart_test.moc"
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