File indexing completed on 2024-04-21 03:53:38

 /*
     This file is part of the KDE libraries
     SPDX-FileCopyrightText: 2006 Jacob R Rideout <kde@jacobrideout.net>
 
     SPDX-License-Identifier: LGPL-2.0-or-later
 */
 
 #include "kautosavefiletest.h"
 
 #include <QFile>
 #include <QTextStream>
 #include <QtAlgorithms>
 
 #include <QTemporaryFile>
 #include <kautosavefile.h>
 
 #include <QTest>
 
 QTEST_MAIN(KAutoSaveFileTest)
 
 void KAutoSaveFileTest::initTestCase()
 {
     QCoreApplication::instance()->setApplicationName(QLatin1String("qttest")); // TODO do this in qtestlib itself
 }
 
 void KAutoSaveFileTest::cleanupTestCase()
 {
     for (const QString &fileToRemove : std::as_const(filesToRemove)) {
         QFile::remove(fileToRemove);
     }
 }
 
 void KAutoSaveFileTest::test_readWrite()
 {
     QTemporaryFile file;
 
     QVERIFY(file.open());
 
     QUrl normalFile = QUrl::fromLocalFile(QFileInfo(file).absoluteFilePath());
 
     // Test basic functionality
     KAutoSaveFile saveFile(normalFile);
 
     QVERIFY(!QFile::exists(saveFile.fileName()));
     QVERIFY(saveFile.open(QIODevice::ReadWrite));
 
     QString inText = QString::fromLatin1("This is test data one.\n");
 
     {
         QTextStream ts(&saveFile);
         ts << inText;
         ts.flush();
     }
 
     saveFile.close();
 
     {
         QFile testReader(saveFile.fileName());
         testReader.open(QIODevice::ReadWrite);
         QTextStream ts(&testReader);
 
         QString outText = ts.readAll();
 
         QCOMPARE(outText, inText);
     }
 
     filesToRemove << file.fileName();
 }
 
 void KAutoSaveFileTest::test_fileNameMaxLength()
 {
     // In KAutoSaveFilePrivate::tempFile() the name of the kautosavefile that's going to be created
     // is concatanated in the form:
     // fileName + junk.truncated + protocol + _ + path.truncated + junk
     // see tempFile() for details.
     //
     // Make sure that the generated filename (e.g. as you would get from QUrl::fileName()) doesn't
     // exceed NAME_MAX (the maximum length allowed for filenames, see e.g. /usr/include/linux/limits.h)
     // otherwise the file can't be opened.
     //
     // see https://phabricator.kde.org/D24489
 
     QString s;
     s.fill(QLatin1Char('b'), 80);
     // create a long path that:
     // - exceeds NAME_MAX (255)
     // - is less than the maximum allowed path length, PATH_MAX (4096)
     //   see e.g. /usr/include/linux/limits.h
     const QString path = QDir::tempPath() + QLatin1Char('/') + s + QLatin1Char('/') + s + QLatin1Char('/') + s + QLatin1Char('/') + s;
 
     QFile file(path + QLatin1Char('/') + QLatin1String("testFile.txt"));
 
     QUrl normalFile = QUrl::fromLocalFile(file.fileName());
 
     KAutoSaveFile saveFile(normalFile);
 
     QVERIFY(!QFile::exists(saveFile.fileName()));
     QVERIFY(saveFile.open(QIODevice::ReadWrite));
 
     filesToRemove << file.fileName();
 }
 
 void KAutoSaveFileTest::test_fileStaleFiles()
 {
     QUrl normalFile = QUrl::fromLocalFile(QDir::temp().absoluteFilePath(QStringLiteral("test directory/tîst me.txt")));
 
     KAutoSaveFile saveFile(normalFile);
     QVERIFY(saveFile.open(QIODevice::ReadWrite));
     saveFile.write("testdata");
 
     // Make sure the stale file is found
 
     const auto listOfStaleFiles = saveFile.staleFiles(normalFile, QStringLiteral("qttest"));
     QVERIFY(listOfStaleFiles.count() == 1);
     saveFile.releaseLock();
     qDeleteAll(listOfStaleFiles);
 
     // Make sure the stale file is deleted
 
     QVERIFY(saveFile.staleFiles(normalFile, QStringLiteral("qttest")).isEmpty());
 }
 
 void KAutoSaveFileTest::test_applicationStaleFiles()
 {
     // TODO
 }
 
 void KAutoSaveFileTest::test_locking()
 {
     QUrl normalFile(QString::fromLatin1("fish://user@example.com/home/remote/test.txt"));
 
     KAutoSaveFile saveFile(normalFile);
 
     QVERIFY(!QFile::exists(saveFile.fileName()));
     QVERIFY(saveFile.open(QIODevice::ReadWrite));
 
     const QList<KAutoSaveFile *> staleFiles(KAutoSaveFile::staleFiles(normalFile));
 
     QVERIFY(!staleFiles.isEmpty());
 
     KAutoSaveFile *saveFile2 = staleFiles.at(0);
 
     const QString fn = saveFile2->fileName();
     // It looks like $XDG_DATA_HOME/stalefiles/qttest/test.txtXXXfish_%2Fhome%2FremoteXXXXXXX
     QVERIFY2(fn.contains(QLatin1String("stalefiles/qttest/test.txt")), qPrintable(fn));
     QVERIFY2(fn.contains(QLatin1String("fish_%2Fhome%2Fremote")), qPrintable(fn));
 
     QVERIFY(QFile::exists(saveFile2->fileName()));
     QVERIFY(!saveFile2->open(QIODevice::ReadWrite));
 
     saveFile.releaseLock();
 
     QVERIFY(saveFile2->open(QIODevice::ReadWrite));
 
     qDeleteAll(staleFiles);
 }
 
 #include "moc_kautosavefiletest.cpp"