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145 lines
4.1 KiB
C++
145 lines
4.1 KiB
C++
/* This file is part of the KDE libraries
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Copyright (c) 2005 Thomas Braxton <brax108@cox.net>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License version 2 as published by the Free Software Foundation.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#include "klockfiletest.h"
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#include "moc_klockfiletest.cpp"
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#include <kdebug.h>
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#include <unistd.h>
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#include <QProcess>
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#include <QHostInfo>
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// TODO test locking from two different threads
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QT_BEGIN_NAMESPACE
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namespace QTest {
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template<>
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char* toString(const KLockFile::LockResult &result)
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{
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static const char *const strings[] = {
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"LockOK", "LockFail", "LockError", "LockStale"
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};
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return qstrdup(strings[result]);
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}
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}
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QT_END_NAMESPACE
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static const QString lockName = "klockfiletest";
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static const char *const lockNameFull = "klockfiletest.klockfile";
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static bool seenWarningMessage = false;
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static QtMsgHandler msgHandler = nullptr;
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void kMessageHandler(QtMsgType type, const char *msg)
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{
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QByteArray expectedMsg = QByteArray("Deleting stale lock file \"") + lockNameFull + "\"";
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if (QByteArray(msg).contains(expectedMsg)) {
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seenWarningMessage = true;
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}
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msgHandler(type, msg);
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}
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void Test_KLockFile::initTestCase()
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{
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msgHandler = qInstallMsgHandler(kMessageHandler);
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QFile::remove(QString::fromLatin1(lockNameFull));
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lockFile = new KLockFile(lockName);
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}
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void Test_KLockFile::cleanupTestCase()
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{
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delete lockFile;
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lockFile = nullptr;
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qInstallMsgHandler(nullptr);
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}
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static KLockFile::LockResult testLockFromProcess(const QString& lockName)
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{
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const int ret = QProcess::execute(KDEBINDIR "/kdecore-klockfile_testlock", QStringList() << lockName);
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return KLockFile::LockResult(ret);
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}
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void Test_KLockFile::testLock()
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{
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QVERIFY(!lockFile->isLocked());
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QCOMPARE(lockFile->lock(), KLockFile::LockOK);
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QVERIFY(lockFile->isLocked());
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// Try to lock it again, should fail
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KLockFile *lockFile2 = new KLockFile(lockName);
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QVERIFY(!lockFile2->isLocked());
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QCOMPARE(lockFile2->lock(KLockFile::NoBlockFlag), KLockFile::LockFail);
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QVERIFY(!lockFile2->isLocked());
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delete lockFile2;
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// Also try from a different process.
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QCOMPARE(testLockFromProcess(lockName), KLockFile::LockFail);
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}
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void Test_KLockFile::testLockInfo()
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{
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QVERIFY(lockFile->isLocked());
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KLockFile lf(lockName);
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QCOMPARE(lf.lock(KLockFile::NoBlockFlag), KLockFile::LockFail);
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QVERIFY(!lf.isLocked());
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qint64 pid = -1;
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QString host;
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QVERIFY(!lf.getLockInfo(pid, host));
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QCOMPARE(pid, qint64(-1));
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QCOMPARE(host, QString());
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pid = -1;
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host.clear();
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QVERIFY(lockFile->getLockInfo(pid, host));
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QCOMPARE(pid, static_cast<qint64>(::getpid()));
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QCOMPARE(host, QHostInfo::localHostName());
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}
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void Test_KLockFile::testUnlock()
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{
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QVERIFY(lockFile->isLocked());
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lockFile->unlock();
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QVERIFY(!lockFile->isLocked());
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}
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void Test_KLockFile::testStaleNoBlockFlag()
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{
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QFile f(QString::fromLatin1(lockNameFull));
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f.open(QIODevice::WriteOnly);
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QTextStream stream(&f);
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stream << (QString::number(111222) + QLatin1Char('\t') + QHostInfo::localHostName());
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stream.flush();
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f.close();
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KLockFile* lockFile2 = new KLockFile(lockName);
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QVERIFY(!lockFile2->isLocked());
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QCOMPARE(lockFile2->lock(KLockFile::NoBlockFlag), KLockFile::LockStale);
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seenWarningMessage = false;
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QCOMPARE(lockFile2->lock(KLockFile::NoBlockFlag|KLockFile::ForceFlag), KLockFile::LockOK);
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QTest::qWait(2000);
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QVERIFY(seenWarningMessage);
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QVERIFY(lockFile2->isLocked());
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delete lockFile2;
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}
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QTEST_KDEMAIN_CORE(Test_KLockFile)
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