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Diffstat (limited to 'tests/auto/qabstractfileengine/tst_qabstractfileengine.cpp')
| -rw-r--r-- | tests/auto/qabstractfileengine/tst_qabstractfileengine.cpp | 794 |
1 files changed, 794 insertions, 0 deletions
diff --git a/tests/auto/qabstractfileengine/tst_qabstractfileengine.cpp b/tests/auto/qabstractfileengine/tst_qabstractfileengine.cpp new file mode 100644 index 0000000..a816333 --- /dev/null +++ b/tests/auto/qabstractfileengine/tst_qabstractfileengine.cpp @@ -0,0 +1,794 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the FOO module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** GNU Lesser General Public License Usage +** This file may be used under the terms of the GNU Lesser General Public +** License version 2.1 as published by the Free Software Foundation and +** appearing in the file LICENSE.LGPL included in the packaging of this +** file. Please review the following information to ensure the GNU Lesser +** General Public License version 2.1 requirements will be met: +** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU General +** Public License version 3.0 as published by the Free Software Foundation +** and appearing in the file LICENSE.GPL included in the packaging of this +** file. Please review the following information to ensure the GNU General +** Public License version 3.0 requirements will be met: +** http://www.gnu.org/copyleft/gpl.html. +** +** Other Usage +** Alternatively, this file may be used in accordance with the terms and +** conditions contained in a signed written agreement between you and Nokia. +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include <QtCore/QAbstractFileEngine> +#include <QtCore/QFSFileEngine> + +#include <QtCore/QMutex> +#include <QtCore/QMutexLocker> +#include <QtCore/QSharedPointer> +#include <QtCore/QScopedPointer> +#include <QtCore/QHash> + +#include <QtTest/QTest> + +#include <QtCore/QDebug> + +class tst_QAbstractFileEngine + : public QObject +{ + Q_OBJECT +public slots: + void cleanupTestCase(); + +private slots: + void customHandler(); + + void fileIO_data(); + void fileIO(); + +private: + QStringList filesForRemoval; +}; + +class ReferenceFileEngine + : public QAbstractFileEngine +{ +public: + ReferenceFileEngine(const QString &fileName) + : fileName_(fileName) + , position_(-1) + , openForRead_(false) + , openForWrite_(false) + { + } + + bool open(QIODevice::OpenMode openMode) + { + if (openForRead_ || openForWrite_) { + qWarning("%s: file is already open for %s", + Q_FUNC_INFO, + (openForRead_ ? "reading" : "writing")); + return false; + } + + openFile_ = resolveFile(openMode & QIODevice::WriteOnly); + if (!openFile_) + return false; + + position_ = 0; + if (openMode & QIODevice::ReadOnly) + openForRead_ = true; + + if (openMode & QIODevice::WriteOnly) { + openForWrite_ = true; + + QMutexLocker lock(&openFile_->mutex); + if (openMode & QIODevice::Truncate + || !(openForRead_ || openMode & QIODevice::Append)) + openFile_->content.clear(); + + if (openMode & QIODevice::Append) + position_ = openFile_->content.size(); + } + + return true; + } + + bool close() + { + openFile_.clear(); + + openForRead_ = false; + openForWrite_ = false; + position_ = -1; + + return true; + } + + qint64 size() const + { + QSharedPointer<File> file = resolveFile(false); + if (!file) + return 0; + + QMutexLocker lock(&file->mutex); + return file->content.size(); + } + + qint64 pos() const + { + if (!openForRead_ && !openForWrite_) { + qWarning("%s: file is not open", Q_FUNC_INFO); + return -1; + } + return position_; + } + + bool seek(qint64 pos) + { + if (!openForRead_ && !openForWrite_) { + qWarning("%s: file is not open", Q_FUNC_INFO); + return false; + } + + if (pos >= 0) { + position_ = pos; + return true; + } + + return false; + } + + bool flush() + { + if (!openForRead_ && !openForWrite_) { + qWarning("%s: file is not open", Q_FUNC_INFO); + return false; + } + + return true; + } + + bool remove() + { + QMutexLocker lock(&fileSystemMutex); + int count = fileSystem.remove(fileName_); + + return (count == 1); + } + + bool copy(const QString &newName) + { + QMutexLocker lock(&fileSystemMutex); + if (!fileSystem.contains(fileName_) + || fileSystem.contains(newName)) + return false; + + fileSystem.insert(newName, fileSystem.value(fileName_)); + return true; + } + + bool rename(const QString &newName) + { + QMutexLocker lock(&fileSystemMutex); + if (!fileSystem.contains(fileName_) + || fileSystem.contains(newName)) + return false; + + fileSystem.insert(newName, fileSystem.take(fileName_)); + return true; + } + + // bool link(const QString &newName) + // { + // Q_UNUSED(newName) + // return false; + // } + + // bool mkdir(const QString &dirName, bool createParentDirectories) const + // { + // Q_UNUSED(dirName) + // Q_UNUSED(createParentDirectories) + + // return false; + // } + + // bool rmdir(const QString &dirName, bool recurseParentDirectories) const + // { + // Q_UNUSED(dirName) + // Q_UNUSED(recurseParentDirectories) + + // return false; + // } + + bool setSize(qint64 size) + { + if (size < 0) + return false; + + QSharedPointer<File> file = resolveFile(false); + if (!file) + return false; + + QMutexLocker lock(&file->mutex); + file->content.resize(size); + + if (openForRead_ || openForWrite_) + if (position_ > size) + position_ = size; + + return (file->content.size() == size); + } + + FileFlags fileFlags(FileFlags type) const + { + QSharedPointer<File> file = resolveFile(false); + if (file) { + QMutexLocker lock(&file->mutex); + return (file->fileFlags & type); + } + + return FileFlags(); + } + + // bool setPermissions(uint perms) + // { + // Q_UNUSED(perms) + + // return false; + // } + + QString fileName(FileName file) const + { + switch (file) { + case DefaultName: + return QLatin1String("DefaultName"); + case BaseName: + return QLatin1String("BaseName"); + case PathName: + return QLatin1String("PathName"); + case AbsoluteName: + return QLatin1String("AbsoluteName"); + case AbsolutePathName: + return QLatin1String("AbsolutePathName"); + case LinkName: + return QLatin1String("LinkName"); + case CanonicalName: + return QLatin1String("CanonicalName"); + case CanonicalPathName: + return QLatin1String("CanonicalPathName"); + case BundleName: + return QLatin1String("BundleName"); + + default: + break; + } + + return QString(); + } + + uint ownerId(FileOwner owner) const + { + QSharedPointer<File> file = resolveFile(false); + if (file) { + switch (owner) { + case OwnerUser: + { + QMutexLocker lock(&file->mutex); + return file->userId; + } + case OwnerGroup: + { + QMutexLocker lock(&file->mutex); + return file->groupId; + } + } + } + + return -2; + } + + QString owner(FileOwner owner) const + { + QSharedPointer<File> file = resolveFile(false); + if (file) { + uint ownerId; + switch (owner) { + case OwnerUser: + { + QMutexLocker lock(&file->mutex); + ownerId = file->userId; + } + + { + QMutexLocker lock(&fileSystemMutex); + return fileSystemUsers.value(ownerId); + } + + case OwnerGroup: + { + QMutexLocker lock(&file->mutex); + ownerId = file->groupId; + } + + { + QMutexLocker lock(&fileSystemMutex); + return fileSystemGroups.value(ownerId); + } + } + } + + return QString(); + } + + QDateTime fileTime(FileTime time) const + { + QSharedPointer<File> file = resolveFile(false); + if (file) { + QMutexLocker lock(&file->mutex); + switch (time) { + case CreationTime: + return file->creation; + case ModificationTime: + return file->modification; + case AccessTime: + return file->access; + } + } + + return QDateTime(); + } + + void setFileName(const QString &file) + { + if (openForRead_ || openForWrite_) + qWarning("%s: Can't set file name while file is open", Q_FUNC_INFO); + else + fileName_ = file; + } + + // typedef QAbstractFileEngineIterator Iterator; + // Iterator *beginEntryList(QDir::Filters filters, const QStringList &filterNames) + // { + // Q_UNUSED(filters) + // Q_UNUSED(filterNames) + + // return 0; + // } + + // Iterator *endEntryList() + // { + // return 0; + // } + + qint64 read(char *data, qint64 maxLen) + { + if (!openForRead_) { + qWarning("%s: file must be open for reading", Q_FUNC_INFO); + return -1; + } + + if (openFile_.isNull()) { + qWarning("%s: file must not be null", Q_FUNC_INFO); + return -1; + } + + QMutexLocker lock(&openFile_->mutex); + qint64 readSize = qMin(openFile_->content.size() - position_, maxLen); + if (readSize < 0) + return -1; + + qMemCopy(data, openFile_->content.constData() + position_, readSize); + position_ += readSize; + + return readSize; + } + + qint64 write(const char *data, qint64 length) + { + if (!openForWrite_) { + qWarning("%s: file must be open for writing", Q_FUNC_INFO); + return -1; + } + + if (openFile_.isNull()) { + qWarning("%s: file must not be null", Q_FUNC_INFO); + return -1; + } + + if (length < 0) + return -1; + + QMutexLocker lock(&openFile_->mutex); + if (openFile_->content.size() == position_) + openFile_->content.append(data, length); + else { + if (position_ + length > openFile_->content.size()) + openFile_->content.resize(position_ + length); + openFile_->content.replace(position_, length, data, length); + } + + qint64 writeSize = qMin(length, openFile_->content.size() - position_); + position_ += writeSize; + + return writeSize; + } + +protected: + // void setError(QFile::FileError error, const QString &str); + + struct File + { + File() + : userId(0) + , groupId(0) + , fileFlags( + ReadOwnerPerm | WriteOwnerPerm | ExeOwnerPerm + | ReadUserPerm | WriteUserPerm | ExeUserPerm + | ReadGroupPerm | WriteGroupPerm | ExeGroupPerm + | ReadOtherPerm | WriteOtherPerm | ExeOtherPerm + | FileType | ExistsFlag) + { + } + + QMutex mutex; + + uint userId, groupId; + QAbstractFileEngine::FileFlags fileFlags; + QDateTime creation, modification, access; + + QByteArray content; + }; + + QSharedPointer<File> resolveFile(bool create) const + { + if (openForRead_ || openForWrite_) { + if (!openFile_) + qWarning("%s: file should not be null", Q_FUNC_INFO); + return openFile_; + } + + QMutexLocker lock(&fileSystemMutex); + if (create) { + QSharedPointer<File> &p = fileSystem[fileName_]; + if (p.isNull()) + p = QSharedPointer<File>(new File); + return p; + } + + return fileSystem.value(fileName_); + } + + static QMutex fileSystemMutex; + static QHash<uint, QString> fileSystemUsers, fileSystemGroups; + static QHash<QString, QSharedPointer<File> > fileSystem; + +private: + QString fileName_; + qint64 position_; + bool openForRead_; + bool openForWrite_; + + mutable QSharedPointer<File> openFile_; +}; + +QMutex ReferenceFileEngine::fileSystemMutex; +QHash<uint, QString> ReferenceFileEngine::fileSystemUsers, ReferenceFileEngine::fileSystemGroups; +QHash<QString, QSharedPointer<ReferenceFileEngine::File> > ReferenceFileEngine::fileSystem; + +class FileEngineHandler + : QAbstractFileEngineHandler +{ + QAbstractFileEngine *create(const QString &fileName) const + { + if (fileName.startsWith("QFSFileEngine:")) + return new QFSFileEngine(fileName.mid(14)); + if (fileName.startsWith("reference-file-engine:")) + return new ReferenceFileEngine(fileName.mid(22)); + if (fileName.startsWith("resource:")) + return QAbstractFileEngine::create(QLatin1String(":/tst_qabstractfileengine/resources/") + fileName.mid(9)); + return 0; + } +}; + +void tst_QAbstractFileEngine::cleanupTestCase() +{ + bool failed = false; + + FileEngineHandler handler; + Q_FOREACH(QString file, filesForRemoval) + if (!QFile::remove(file) + || QFile::exists(file)) { + failed = true; + qDebug() << "Couldn't remove file:" << file; + } + + QVERIFY(!failed); +} + +void tst_QAbstractFileEngine::customHandler() +{ + QScopedPointer<QAbstractFileEngine> file; + { + file.reset(QAbstractFileEngine::create("resource:file.txt")); + + QVERIFY(file); + } + + { + FileEngineHandler handler; + + QFile file("resource:file.txt"); + QVERIFY(file.exists()); + } + + { + QFile file("resource:file.txt"); + QVERIFY(!file.exists()); + } +} + +void tst_QAbstractFileEngine::fileIO_data() +{ + QTest::addColumn<QString>("fileName"); + QTest::addColumn<QByteArray>("readContent"); + QTest::addColumn<QByteArray>("writeContent"); + QTest::addColumn<bool>("fileExists"); + + QString resourceTxtFile(":/tst_qabstractfileengine/resources/file.txt"); + QByteArray readContent("This is a simple text file.\n"); + QByteArray writeContent("This contains two lines of text.\n"); + + QTest::newRow("resource") << resourceTxtFile << readContent << QByteArray() << true; + QTest::newRow("native") << "native-file.txt" << readContent << writeContent << false; + QTest::newRow("Forced QFSFileEngine") << "QFSFileEngine:QFSFileEngine-file.txt" << readContent << writeContent << false; + QTest::newRow("Custom FE") << "reference-file-engine:file.txt" << readContent << writeContent << false; + + QTest::newRow("Forced QFSFileEngine (native)") << "QFSFileEngine:native-file.txt" << readContent << writeContent << true; + QTest::newRow("native (Forced QFSFileEngine)") << "QFSFileEngine-file.txt" << readContent << writeContent << true; + QTest::newRow("Custom FE (2)") << "reference-file-engine:file.txt" << readContent << writeContent << true; +} + +void tst_QAbstractFileEngine::fileIO() +{ + QFETCH(QString, fileName); + QFETCH(QByteArray, readContent); + QFETCH(QByteArray, writeContent); + QFETCH(bool, fileExists); + + FileEngineHandler handler; + + + { + QFile file(fileName); + QCOMPARE(file.exists(), fileExists); + + if (!fileExists) { + QVERIFY(file.open(QIODevice::WriteOnly | QIODevice::Unbuffered)); + filesForRemoval.append(fileName); + + QCOMPARE(file.write(readContent), qint64(readContent.size())); + } + } + + // + // File content is: readContent + // + + qint64 fileSize = readContent.size(); + { + // Reading + QFile file(fileName); + + QVERIFY(!file.isOpen()); + QVERIFY(file.open(QIODevice::ReadOnly | QIODevice::Unbuffered)); + + QVERIFY(file.isOpen()); + QCOMPARE(file.size(), fileSize); + QCOMPARE(file.pos(), qint64(0)); + + QCOMPARE(file.size(), fileSize); + QCOMPARE(file.readAll(), readContent); + QCOMPARE(file.pos(), fileSize); + + file.close(); + QVERIFY(!file.isOpen()); + QCOMPARE(file.size(), fileSize); + } + + if (writeContent.isEmpty()) + return; + + { + // Writing / appending + QFile file(fileName); + + QVERIFY(!file.isOpen()); + QVERIFY(file.open(QIODevice::WriteOnly | QIODevice::Append | QIODevice::Unbuffered)); + + QVERIFY(file.isOpen()); + QCOMPARE(file.size(), fileSize); + QCOMPARE(file.pos(), fileSize); + + QCOMPARE(file.write(writeContent), qint64(writeContent.size())); + + fileSize += writeContent.size(); + QCOMPARE(file.pos(), fileSize); + QCOMPARE(file.size(), fileSize); + + file.close(); + QVERIFY(!file.isOpen()); + QCOMPARE(file.size(), fileSize); + } + + // + // File content is: readContent + writeContent + // + + { + // Reading and Writing + QFile file(fileName); + + QVERIFY(!file.isOpen()); + QVERIFY(file.open(QIODevice::ReadWrite | QIODevice::Unbuffered)); + + QVERIFY(file.isOpen()); + QCOMPARE(file.size(), fileSize); + QCOMPARE(file.pos(), qint64(0)); + + QCOMPARE(file.readAll(), readContent + writeContent); + QCOMPARE(file.pos(), fileSize); + QCOMPARE(file.size(), fileSize); + + QVERIFY(file.seek(writeContent.size())); + QCOMPARE(file.pos(), qint64(writeContent.size())); + QCOMPARE(file.size(), fileSize); + + QCOMPARE(file.write(readContent), qint64(readContent.size())); + QCOMPARE(file.pos(), fileSize); + QCOMPARE(file.size(), fileSize); + + QVERIFY(file.seek(0)); + QCOMPARE(file.pos(), qint64(0)); + QCOMPARE(file.size(), fileSize); + + QCOMPARE(file.write(writeContent), qint64(writeContent.size())); + QCOMPARE(file.pos(), qint64(writeContent.size())); + QCOMPARE(file.size(), fileSize); + + QVERIFY(file.seek(0)); + QCOMPARE(file.read(writeContent.size()), writeContent); + QCOMPARE(file.pos(), qint64(writeContent.size())); + QCOMPARE(file.size(), fileSize); + + QCOMPARE(file.readAll(), readContent); + QCOMPARE(file.pos(), fileSize); + QCOMPARE(file.size(), fileSize); + + file.close(); + QVERIFY(!file.isOpen()); + QCOMPARE(file.size(), fileSize); + } + + // + // File content is: writeContent + readContent + // + + { + // Writing + QFile file(fileName); + + QVERIFY(!file.isOpen()); + QVERIFY(file.open(QIODevice::ReadWrite | QIODevice::Unbuffered)); + + QVERIFY(file.isOpen()); + QCOMPARE(file.size(), fileSize); + QCOMPARE(file.pos(), qint64(0)); + + QCOMPARE(file.write(writeContent), qint64(writeContent.size())); + QCOMPARE(file.pos(), qint64(writeContent.size())); + QCOMPARE(file.size(), fileSize); + + QVERIFY(file.resize(writeContent.size())); + QCOMPARE(file.size(), qint64(writeContent.size())); + + file.close(); + QVERIFY(!file.isOpen()); + QCOMPARE(file.size(), qint64(writeContent.size())); + + QVERIFY(file.resize(fileSize)); + QCOMPARE(file.size(), fileSize); + } + + // + // File content is: writeContent + <undefined> + // File size is : (readContent + writeContent).size() + // + + { + // Writing / extending + QFile file(fileName); + + QVERIFY(!file.isOpen()); + QVERIFY(file.open(QIODevice::ReadWrite | QIODevice::Unbuffered)); + + QVERIFY(file.isOpen()); + QCOMPARE(file.size(), fileSize); + QCOMPARE(file.pos(), qint64(0)); + + QVERIFY(file.seek(1024)); + QCOMPARE(file.pos(), qint64(1024)); + QCOMPARE(file.size(), fileSize); + + fileSize = 1024 + writeContent.size(); + QCOMPARE(file.write(writeContent), qint64(writeContent.size())); + QCOMPARE(file.pos(), fileSize); + QCOMPARE(file.size(), fileSize); + + QVERIFY(file.seek(1028)); + QCOMPARE(file.pos(), qint64(1028)); + QCOMPARE(file.size(), fileSize); + + fileSize = 1028 + writeContent.size(); + QCOMPARE(file.write(writeContent), qint64(writeContent.size())); + QCOMPARE(file.pos(), fileSize); + QCOMPARE(file.size(), fileSize); + + file.close(); + QVERIFY(!file.isOpen()); + QCOMPARE(file.size(), fileSize); + } + + // + // File content is: writeContent + <undefined> + writeContent + // File size is : 1024 + writeContent.size() + // + + { + // Writing / truncating + QFile file(fileName); + + QVERIFY(!file.isOpen()); + QVERIFY(file.open(QIODevice::WriteOnly | QIODevice::Truncate | QIODevice::Unbuffered)); + + QVERIFY(file.isOpen()); + QCOMPARE(file.size(), qint64(0)); + QCOMPARE(file.pos(), qint64(0)); + + fileSize = readContent.size(); + QCOMPARE(file.write(readContent), fileSize); + QCOMPARE(file.pos(), fileSize); + QCOMPARE(file.size(), fileSize); + + file.close(); + QVERIFY(!file.isOpen()); + QCOMPARE(file.size(), fileSize); + } + + // + // File content is: readContent + // +} + +QTEST_APPLESS_MAIN(tst_QAbstractFileEngine) +#include "tst_qabstractfileengine.moc" + |