| 1 | /**************************************************************************** |
| 2 | ** |
| 3 | ** Copyright (C) 2016 The Qt Company Ltd. |
| 4 | ** Contact: https://www.qt.io/licensing/ |
| 5 | ** |
| 6 | ** This file is part of the FOO module of the Qt Toolkit. |
| 7 | ** |
| 8 | ** $QT_BEGIN_LICENSE:GPL-EXCEPT$ |
| 9 | ** Commercial License Usage |
| 10 | ** Licensees holding valid commercial Qt licenses may use this file in |
| 11 | ** accordance with the commercial license agreement provided with the |
| 12 | ** Software or, alternatively, in accordance with the terms contained in |
| 13 | ** a written agreement between you and The Qt Company. For licensing terms |
| 14 | ** and conditions see https://www.qt.io/terms-conditions. For further |
| 15 | ** information use the contact form at https://www.qt.io/contact-us. |
| 16 | ** |
| 17 | ** GNU General Public License Usage |
| 18 | ** Alternatively, this file may be used under the terms of the GNU |
| 19 | ** General Public License version 3 as published by the Free Software |
| 20 | ** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT |
| 21 | ** included in the packaging of this file. Please review the following |
| 22 | ** information to ensure the GNU General Public License requirements will |
| 23 | ** be met: https://www.gnu.org/licenses/gpl-3.0.html. |
| 24 | ** |
| 25 | ** $QT_END_LICENSE$ |
| 26 | ** |
| 27 | ****************************************************************************/ |
| 28 | |
| 29 | #include <QtCore/private/qabstractfileengine_p.h> |
| 30 | #include <QtCore/private/qfsfileengine_p.h> |
| 31 | |
| 32 | #include <QtCore/QMutex> |
| 33 | #include <QtCore/QMutexLocker> |
| 34 | #include <QtCore/QSharedPointer> |
| 35 | #include <QtCore/QScopedPointer> |
| 36 | #include <QtCore/QHash> |
| 37 | #include <QtCore/QDir> |
| 38 | #include <QtCore/QDirIterator> |
| 39 | |
| 40 | #include <QtTest/QTest> |
| 41 | |
| 42 | #include <QtCore/QDebug> |
| 43 | #include "../../../../shared/filesystem.h" |
| 44 | |
| 45 | class tst_QAbstractFileEngine |
| 46 | : public QObject |
| 47 | { |
| 48 | Q_OBJECT |
| 49 | public slots: |
| 50 | void initTestCase(); |
| 51 | void cleanupTestCase(); |
| 52 | |
| 53 | private slots: |
| 54 | void customHandler(); |
| 55 | |
| 56 | void fileIO_data(); |
| 57 | void fileIO(); |
| 58 | |
| 59 | void mounting_data(); |
| 60 | void mounting(); |
| 61 | private: |
| 62 | QStringList filesForRemoval; |
| 63 | QSharedPointer<QTemporaryDir> m_currentDir; |
| 64 | QString m_previousCurrent; |
| 65 | }; |
| 66 | |
| 67 | class ReferenceFileEngine |
| 68 | : public QAbstractFileEngine |
| 69 | { |
| 70 | public: |
| 71 | ReferenceFileEngine(const QString &fileName) |
| 72 | : fileName_(QDir::cleanPath(path: fileName)) |
| 73 | , position_(-1) |
| 74 | , openForRead_(false) |
| 75 | , openForWrite_(false) |
| 76 | { |
| 77 | } |
| 78 | |
| 79 | bool open(QIODevice::OpenMode openMode) |
| 80 | { |
| 81 | if (openForRead_ || openForWrite_) { |
| 82 | qWarning(msg: "%s: file is already open for %s" , |
| 83 | Q_FUNC_INFO, |
| 84 | (openForRead_ ? "reading" : "writing" )); |
| 85 | return false; |
| 86 | } |
| 87 | |
| 88 | openFile_ = resolveFile(create: openMode & QIODevice::WriteOnly); |
| 89 | if (!openFile_) |
| 90 | return false; |
| 91 | |
| 92 | position_ = 0; |
| 93 | if (openMode & QIODevice::ReadOnly) |
| 94 | openForRead_ = true; |
| 95 | |
| 96 | if (openMode & QIODevice::WriteOnly) { |
| 97 | openForWrite_ = true; |
| 98 | |
| 99 | QMutexLocker lock(&openFile_->mutex); |
| 100 | if (openMode & QIODevice::Truncate |
| 101 | || !(openForRead_ || openMode & QIODevice::Append)) |
| 102 | openFile_->content.clear(); |
| 103 | |
| 104 | if (openMode & QIODevice::Append) |
| 105 | position_ = openFile_->content.size(); |
| 106 | } |
| 107 | |
| 108 | return true; |
| 109 | } |
| 110 | |
| 111 | bool close() |
| 112 | { |
| 113 | openFile_.clear(); |
| 114 | |
| 115 | openForRead_ = false; |
| 116 | openForWrite_ = false; |
| 117 | position_ = -1; |
| 118 | |
| 119 | return true; |
| 120 | } |
| 121 | |
| 122 | qint64 size() const |
| 123 | { |
| 124 | QSharedPointer<File> file = resolveFile(create: false); |
| 125 | if (!file) |
| 126 | return 0; |
| 127 | |
| 128 | QMutexLocker lock(&file->mutex); |
| 129 | return file->content.size(); |
| 130 | } |
| 131 | |
| 132 | qint64 pos() const |
| 133 | { |
| 134 | if (!openForRead_ && !openForWrite_) { |
| 135 | qWarning(msg: "%s: file is not open" , Q_FUNC_INFO); |
| 136 | return -1; |
| 137 | } |
| 138 | return position_; |
| 139 | } |
| 140 | |
| 141 | bool seek(qint64 pos) |
| 142 | { |
| 143 | if (!openForRead_ && !openForWrite_) { |
| 144 | qWarning(msg: "%s: file is not open" , Q_FUNC_INFO); |
| 145 | return false; |
| 146 | } |
| 147 | |
| 148 | if (pos >= 0) { |
| 149 | position_ = pos; |
| 150 | return true; |
| 151 | } |
| 152 | |
| 153 | return false; |
| 154 | } |
| 155 | |
| 156 | bool flush() |
| 157 | { |
| 158 | if (!openForRead_ && !openForWrite_) { |
| 159 | qWarning(msg: "%s: file is not open" , Q_FUNC_INFO); |
| 160 | return false; |
| 161 | } |
| 162 | |
| 163 | return true; |
| 164 | } |
| 165 | |
| 166 | bool remove() |
| 167 | { |
| 168 | QMutexLocker lock(&fileSystemMutex); |
| 169 | int count = fileSystem.remove(key: fileName_); |
| 170 | |
| 171 | return (count == 1); |
| 172 | } |
| 173 | |
| 174 | bool copy(const QString &newName) |
| 175 | { |
| 176 | QMutexLocker lock(&fileSystemMutex); |
| 177 | if (!fileSystem.contains(key: fileName_) |
| 178 | || fileSystem.contains(key: newName)) |
| 179 | return false; |
| 180 | |
| 181 | fileSystem.insert(key: newName, value: fileSystem.value(key: fileName_)); |
| 182 | return true; |
| 183 | } |
| 184 | |
| 185 | bool rename(const QString &newName) |
| 186 | { |
| 187 | QMutexLocker lock(&fileSystemMutex); |
| 188 | if (!fileSystem.contains(key: fileName_) |
| 189 | || fileSystem.contains(key: newName)) |
| 190 | return false; |
| 191 | |
| 192 | fileSystem.insert(key: newName, value: fileSystem.take(key: fileName_)); |
| 193 | return true; |
| 194 | } |
| 195 | |
| 196 | // bool link(const QString &newName) |
| 197 | // { |
| 198 | // Q_UNUSED(newName) |
| 199 | // return false; |
| 200 | // } |
| 201 | |
| 202 | // bool mkdir(const QString &dirName, bool createParentDirectories) const |
| 203 | // { |
| 204 | // Q_UNUSED(dirName) |
| 205 | // Q_UNUSED(createParentDirectories) |
| 206 | |
| 207 | // return false; |
| 208 | // } |
| 209 | |
| 210 | // bool rmdir(const QString &dirName, bool recurseParentDirectories) const |
| 211 | // { |
| 212 | // Q_UNUSED(dirName) |
| 213 | // Q_UNUSED(recurseParentDirectories) |
| 214 | |
| 215 | // return false; |
| 216 | // } |
| 217 | |
| 218 | bool setSize(qint64 size) |
| 219 | { |
| 220 | if (size < 0) |
| 221 | return false; |
| 222 | |
| 223 | QSharedPointer<File> file = resolveFile(create: false); |
| 224 | if (!file) |
| 225 | return false; |
| 226 | |
| 227 | QMutexLocker lock(&file->mutex); |
| 228 | file->content.resize(size); |
| 229 | |
| 230 | if (openForRead_ || openForWrite_) |
| 231 | if (position_ > size) |
| 232 | position_ = size; |
| 233 | |
| 234 | return (file->content.size() == size); |
| 235 | } |
| 236 | |
| 237 | FileFlags fileFlags(FileFlags type) const |
| 238 | { |
| 239 | QSharedPointer<File> file = resolveFile(create: false); |
| 240 | if (file) { |
| 241 | QMutexLocker lock(&file->mutex); |
| 242 | return (file->fileFlags & type); |
| 243 | } |
| 244 | |
| 245 | return FileFlags(); |
| 246 | } |
| 247 | |
| 248 | // bool setPermissions(uint perms) |
| 249 | // { |
| 250 | // Q_UNUSED(perms) |
| 251 | |
| 252 | // return false; |
| 253 | // } |
| 254 | |
| 255 | QString fileName(FileName file) const |
| 256 | { |
| 257 | switch (file) { |
| 258 | case DefaultName: |
| 259 | return QLatin1String("DefaultName" ); |
| 260 | case BaseName: |
| 261 | return QLatin1String("BaseName" ); |
| 262 | case PathName: |
| 263 | return QLatin1String("PathName" ); |
| 264 | case AbsoluteName: |
| 265 | return QLatin1String("AbsoluteName" ); |
| 266 | case AbsolutePathName: |
| 267 | return QLatin1String("AbsolutePathName" ); |
| 268 | case LinkName: |
| 269 | return QLatin1String("LinkName" ); |
| 270 | case CanonicalName: |
| 271 | return QLatin1String("CanonicalName" ); |
| 272 | case CanonicalPathName: |
| 273 | return QLatin1String("CanonicalPathName" ); |
| 274 | case BundleName: |
| 275 | return QLatin1String("BundleName" ); |
| 276 | |
| 277 | default: |
| 278 | break; |
| 279 | } |
| 280 | |
| 281 | return QString(); |
| 282 | } |
| 283 | |
| 284 | uint ownerId(FileOwner owner) const |
| 285 | { |
| 286 | QSharedPointer<File> file = resolveFile(create: false); |
| 287 | if (file) { |
| 288 | switch (owner) { |
| 289 | case OwnerUser: |
| 290 | { |
| 291 | QMutexLocker lock(&file->mutex); |
| 292 | return file->userId; |
| 293 | } |
| 294 | case OwnerGroup: |
| 295 | { |
| 296 | QMutexLocker lock(&file->mutex); |
| 297 | return file->groupId; |
| 298 | } |
| 299 | } |
| 300 | } |
| 301 | |
| 302 | return -2; |
| 303 | } |
| 304 | |
| 305 | QString owner(FileOwner owner) const |
| 306 | { |
| 307 | QSharedPointer<File> file = resolveFile(create: false); |
| 308 | if (file) { |
| 309 | uint ownerId; |
| 310 | switch (owner) { |
| 311 | case OwnerUser: |
| 312 | { |
| 313 | QMutexLocker lock(&file->mutex); |
| 314 | ownerId = file->userId; |
| 315 | } |
| 316 | |
| 317 | { |
| 318 | QMutexLocker lock(&fileSystemMutex); |
| 319 | return fileSystemUsers.value(key: ownerId); |
| 320 | } |
| 321 | |
| 322 | case OwnerGroup: |
| 323 | { |
| 324 | QMutexLocker lock(&file->mutex); |
| 325 | ownerId = file->groupId; |
| 326 | } |
| 327 | |
| 328 | { |
| 329 | QMutexLocker lock(&fileSystemMutex); |
| 330 | return fileSystemGroups.value(key: ownerId); |
| 331 | } |
| 332 | } |
| 333 | } |
| 334 | |
| 335 | return QString(); |
| 336 | } |
| 337 | |
| 338 | QDateTime fileTime(FileTime time) const |
| 339 | { |
| 340 | QSharedPointer<File> file = resolveFile(create: false); |
| 341 | if (file) { |
| 342 | QMutexLocker lock(&file->mutex); |
| 343 | switch (time) { |
| 344 | case BirthTime: |
| 345 | return file->birth; |
| 346 | case MetadataChangeTime: |
| 347 | return file->change; |
| 348 | case ModificationTime: |
| 349 | return file->modification; |
| 350 | case AccessTime: |
| 351 | return file->access; |
| 352 | } |
| 353 | } |
| 354 | |
| 355 | return QDateTime(); |
| 356 | } |
| 357 | |
| 358 | bool setFileTime(const QDateTime &newDate, FileTime time) |
| 359 | { |
| 360 | Q_UNUSED(newDate); |
| 361 | Q_UNUSED(time); |
| 362 | return false; |
| 363 | } |
| 364 | |
| 365 | void setFileName(const QString &file) |
| 366 | { |
| 367 | if (openForRead_ || openForWrite_) |
| 368 | qWarning(msg: "%s: Can't set file name while file is open" , Q_FUNC_INFO); |
| 369 | else |
| 370 | fileName_ = file; |
| 371 | } |
| 372 | |
| 373 | // typedef QAbstractFileEngineIterator Iterator; |
| 374 | // Iterator *beginEntryList(QDir::Filters filters, const QStringList &filterNames) |
| 375 | // { |
| 376 | // Q_UNUSED(filters) |
| 377 | // Q_UNUSED(filterNames) |
| 378 | |
| 379 | // return 0; |
| 380 | // } |
| 381 | |
| 382 | // Iterator *endEntryList() |
| 383 | // { |
| 384 | // return 0; |
| 385 | // } |
| 386 | |
| 387 | qint64 read(char *data, qint64 maxLen) |
| 388 | { |
| 389 | if (!openForRead_) { |
| 390 | qWarning(msg: "%s: file must be open for reading" , Q_FUNC_INFO); |
| 391 | return -1; |
| 392 | } |
| 393 | |
| 394 | if (openFile_.isNull()) { |
| 395 | qWarning(msg: "%s: file must not be null" , Q_FUNC_INFO); |
| 396 | return -1; |
| 397 | } |
| 398 | |
| 399 | QMutexLocker lock(&openFile_->mutex); |
| 400 | qint64 readSize = qMin(a: openFile_->content.size() - position_, b: maxLen); |
| 401 | if (readSize < 0) |
| 402 | return -1; |
| 403 | |
| 404 | memcpy(dest: data, src: openFile_->content.constData() + position_, n: readSize); |
| 405 | position_ += readSize; |
| 406 | |
| 407 | return readSize; |
| 408 | } |
| 409 | |
| 410 | qint64 write(const char *data, qint64 length) |
| 411 | { |
| 412 | if (!openForWrite_) { |
| 413 | qWarning(msg: "%s: file must be open for writing" , Q_FUNC_INFO); |
| 414 | return -1; |
| 415 | } |
| 416 | |
| 417 | if (openFile_.isNull()) { |
| 418 | qWarning(msg: "%s: file must not be null" , Q_FUNC_INFO); |
| 419 | return -1; |
| 420 | } |
| 421 | |
| 422 | if (length < 0) |
| 423 | return -1; |
| 424 | |
| 425 | QMutexLocker lock(&openFile_->mutex); |
| 426 | if (openFile_->content.size() == position_) |
| 427 | openFile_->content.append(s: data, len: length); |
| 428 | else { |
| 429 | if (position_ + length > openFile_->content.size()) |
| 430 | openFile_->content.resize(size: position_ + length); |
| 431 | openFile_->content.replace(index: position_, len: length, s: data, alen: length); |
| 432 | } |
| 433 | |
| 434 | qint64 writeSize = qMin(a: length, b: openFile_->content.size() - position_); |
| 435 | position_ += writeSize; |
| 436 | |
| 437 | return writeSize; |
| 438 | } |
| 439 | |
| 440 | protected: |
| 441 | // void setError(QFile::FileError error, const QString &str); |
| 442 | |
| 443 | struct File |
| 444 | { |
| 445 | File() |
| 446 | : userId(0) |
| 447 | , groupId(0) |
| 448 | , fileFlags( |
| 449 | ReadOwnerPerm | WriteOwnerPerm | ExeOwnerPerm |
| 450 | | ReadUserPerm | WriteUserPerm | ExeUserPerm |
| 451 | | ReadGroupPerm | WriteGroupPerm | ExeGroupPerm |
| 452 | | ReadOtherPerm | WriteOtherPerm | ExeOtherPerm |
| 453 | | FileType | ExistsFlag) |
| 454 | { |
| 455 | } |
| 456 | |
| 457 | QMutex mutex; |
| 458 | |
| 459 | uint userId, groupId; |
| 460 | QAbstractFileEngine::FileFlags fileFlags; |
| 461 | QDateTime birth, change, modification, access; |
| 462 | |
| 463 | QByteArray content; |
| 464 | }; |
| 465 | |
| 466 | QSharedPointer<File> resolveFile(bool create) const |
| 467 | { |
| 468 | if (openForRead_ || openForWrite_) { |
| 469 | if (!openFile_) |
| 470 | qWarning(msg: "%s: file should not be null" , Q_FUNC_INFO); |
| 471 | return openFile_; |
| 472 | } |
| 473 | |
| 474 | QMutexLocker lock(&fileSystemMutex); |
| 475 | if (create) { |
| 476 | QSharedPointer<File> &p = fileSystem[fileName_]; |
| 477 | if (p.isNull()) |
| 478 | p = QSharedPointer<File>::create(); |
| 479 | return p; |
| 480 | } |
| 481 | |
| 482 | return fileSystem.value(key: fileName_); |
| 483 | } |
| 484 | |
| 485 | static QMutex fileSystemMutex; |
| 486 | static QHash<uint, QString> fileSystemUsers, fileSystemGroups; |
| 487 | static QHash<QString, QSharedPointer<File> > fileSystem; |
| 488 | |
| 489 | private: |
| 490 | QString fileName_; |
| 491 | qint64 position_; |
| 492 | bool openForRead_; |
| 493 | bool openForWrite_; |
| 494 | |
| 495 | mutable QSharedPointer<File> openFile_; |
| 496 | }; |
| 497 | |
| 498 | class MountingFileEngine : public QFSFileEngine |
| 499 | { |
| 500 | public: |
| 501 | class Iterator : public QAbstractFileEngineIterator |
| 502 | { |
| 503 | public: |
| 504 | Iterator(QDir::Filters filters, const QStringList &filterNames) |
| 505 | : QAbstractFileEngineIterator(filters, filterNames) |
| 506 | { |
| 507 | names.append(t: "foo" ); |
| 508 | names.append(t: "bar" ); |
| 509 | index = -1; |
| 510 | } |
| 511 | QString currentFileName() const |
| 512 | { |
| 513 | return names.at(i: index); |
| 514 | } |
| 515 | bool hasNext() const |
| 516 | { |
| 517 | return index < names.size() - 1; |
| 518 | } |
| 519 | QString next() |
| 520 | { |
| 521 | if (!hasNext()) |
| 522 | return QString(); |
| 523 | ++index; |
| 524 | return currentFilePath(); |
| 525 | } |
| 526 | QStringList names; |
| 527 | int index; |
| 528 | }; |
| 529 | MountingFileEngine(QString fileName) |
| 530 | : QFSFileEngine(fileName) |
| 531 | { |
| 532 | } |
| 533 | Iterator *beginEntryList(QDir::Filters filters, const QStringList &filterNames) |
| 534 | { |
| 535 | return new Iterator(filters, filterNames); |
| 536 | } |
| 537 | FileFlags fileFlags(FileFlags type) const |
| 538 | { |
| 539 | if (fileName(file: DefaultName).endsWith(s: ".tar" )) { |
| 540 | FileFlags ret = QFSFileEngine::fileFlags(type); |
| 541 | //make this file in file system appear to be a directory |
| 542 | ret &= ~FileType; |
| 543 | ret |= DirectoryType; |
| 544 | return ret; |
| 545 | } else { |
| 546 | //file inside the archive |
| 547 | return ExistsFlag | FileType; |
| 548 | } |
| 549 | } |
| 550 | }; |
| 551 | |
| 552 | QMutex ReferenceFileEngine::fileSystemMutex; |
| 553 | QHash<uint, QString> ReferenceFileEngine::fileSystemUsers, ReferenceFileEngine::fileSystemGroups; |
| 554 | QHash<QString, QSharedPointer<ReferenceFileEngine::File> > ReferenceFileEngine::fileSystem; |
| 555 | |
| 556 | class FileEngineHandler |
| 557 | : QAbstractFileEngineHandler |
| 558 | { |
| 559 | QAbstractFileEngine *create(const QString &fileName) const |
| 560 | { |
| 561 | if (fileName.endsWith(s: ".tar" ) || fileName.contains(s: ".tar/" )) |
| 562 | return new MountingFileEngine(fileName); |
| 563 | if (fileName.startsWith(s: "QFSFileEngine:" )) |
| 564 | return new QFSFileEngine(fileName.mid(position: 14)); |
| 565 | if (fileName.startsWith(s: "reference-file-engine:" )) |
| 566 | return new ReferenceFileEngine(fileName.mid(position: 22)); |
| 567 | if (fileName.startsWith(s: "resource:" )) |
| 568 | return QAbstractFileEngine::create(fileName: QLatin1String(":/tst_qabstractfileengine/resources/" ) + fileName.mid(position: 9)); |
| 569 | return 0; |
| 570 | } |
| 571 | }; |
| 572 | |
| 573 | void tst_QAbstractFileEngine::initTestCase() |
| 574 | { |
| 575 | m_previousCurrent = QDir::currentPath(); |
| 576 | m_currentDir = QSharedPointer<QTemporaryDir>::create(); |
| 577 | QVERIFY2(!m_currentDir.isNull(), qPrintable("Could not create current directory." )); |
| 578 | QDir::setCurrent(m_currentDir->path()); |
| 579 | } |
| 580 | |
| 581 | void tst_QAbstractFileEngine::cleanupTestCase() |
| 582 | { |
| 583 | bool failed = false; |
| 584 | |
| 585 | FileEngineHandler handler; |
| 586 | Q_FOREACH(QString file, filesForRemoval) |
| 587 | if (!QFile::remove(fileName: file) |
| 588 | || QFile::exists(fileName: file)) { |
| 589 | failed = true; |
| 590 | qDebug() << "Couldn't remove file:" << file; |
| 591 | } |
| 592 | |
| 593 | QVERIFY(!failed); |
| 594 | |
| 595 | QDir::setCurrent(m_previousCurrent); |
| 596 | } |
| 597 | |
| 598 | void tst_QAbstractFileEngine::customHandler() |
| 599 | { |
| 600 | QScopedPointer<QAbstractFileEngine> file; |
| 601 | { |
| 602 | file.reset(other: QAbstractFileEngine::create(fileName: "resource:file.txt" )); |
| 603 | |
| 604 | QVERIFY(file); |
| 605 | } |
| 606 | |
| 607 | { |
| 608 | FileEngineHandler handler; |
| 609 | |
| 610 | QFile file("resource:file.txt" ); |
| 611 | QVERIFY(file.exists()); |
| 612 | } |
| 613 | |
| 614 | { |
| 615 | QFile file("resource:file.txt" ); |
| 616 | QVERIFY(!file.exists()); |
| 617 | } |
| 618 | } |
| 619 | |
| 620 | void tst_QAbstractFileEngine::fileIO_data() |
| 621 | { |
| 622 | QTest::addColumn<QString>(name: "fileName" ); |
| 623 | QTest::addColumn<QByteArray>(name: "readContent" ); |
| 624 | QTest::addColumn<QByteArray>(name: "writeContent" ); |
| 625 | QTest::addColumn<bool>(name: "fileExists" ); |
| 626 | |
| 627 | QString resourceTxtFile(":/tst_qabstractfileengine/resources/file.txt" ); |
| 628 | QByteArray readContent("This is a simple text file.\n" ); |
| 629 | QByteArray writeContent("This contains two lines of text.\n" ); |
| 630 | |
| 631 | QTest::newRow(dataTag: "resource" ) << resourceTxtFile << readContent << QByteArray() << true; |
| 632 | QTest::newRow(dataTag: "native" ) << "native-file.txt" << readContent << writeContent << false; |
| 633 | QTest::newRow(dataTag: "Forced QFSFileEngine" ) << "QFSFileEngine:QFSFileEngine-file.txt" << readContent << writeContent << false; |
| 634 | QTest::newRow(dataTag: "Custom FE" ) << "reference-file-engine:file.txt" << readContent << writeContent << false; |
| 635 | |
| 636 | QTest::newRow(dataTag: "Forced QFSFileEngine (native)" ) << "QFSFileEngine:native-file.txt" << readContent << writeContent << true; |
| 637 | QTest::newRow(dataTag: "native (Forced QFSFileEngine)" ) << "QFSFileEngine-file.txt" << readContent << writeContent << true; |
| 638 | QTest::newRow(dataTag: "Custom FE (2)" ) << "reference-file-engine:file.txt" << readContent << writeContent << true; |
| 639 | } |
| 640 | |
| 641 | void tst_QAbstractFileEngine::fileIO() |
| 642 | { |
| 643 | QFETCH(QString, fileName); |
| 644 | QFETCH(QByteArray, readContent); |
| 645 | QFETCH(QByteArray, writeContent); |
| 646 | QFETCH(bool, fileExists); |
| 647 | |
| 648 | FileEngineHandler handler; |
| 649 | |
| 650 | |
| 651 | { |
| 652 | QFile file(fileName); |
| 653 | QCOMPARE(file.exists(), fileExists); |
| 654 | |
| 655 | if (!fileExists) { |
| 656 | QVERIFY(file.open(QIODevice::WriteOnly | QIODevice::Unbuffered)); |
| 657 | filesForRemoval.append(t: fileName); |
| 658 | |
| 659 | QCOMPARE(file.write(readContent), qint64(readContent.size())); |
| 660 | } |
| 661 | } |
| 662 | |
| 663 | // |
| 664 | // File content is: readContent |
| 665 | // |
| 666 | |
| 667 | qint64 fileSize = readContent.size(); |
| 668 | { |
| 669 | // Reading |
| 670 | QFile file(fileName); |
| 671 | QVERIFY(!file.isOpen()); |
| 672 | |
| 673 | /* For an exact match, this test requires the repository to |
| 674 | * be checked out with UNIX-style line endings on Windows. |
| 675 | * Try to succeed also for the common case of checking out with autocrlf |
| 676 | * by reading the file as text and checking if the size matches |
| 677 | * the original size + the '\r' characters added by autocrlf. */ |
| 678 | |
| 679 | QFile::OpenMode openMode = QIODevice::ReadOnly | QIODevice::Unbuffered; |
| 680 | #ifdef Q_OS_WIN |
| 681 | openMode |= QIODevice::Text; |
| 682 | #endif |
| 683 | QVERIFY(file.open(openMode)); |
| 684 | QVERIFY(file.isOpen()); |
| 685 | #ifdef Q_OS_WIN |
| 686 | const qint64 convertedSize = fileSize + readContent.count('\n'); |
| 687 | if (file.size() == convertedSize) |
| 688 | fileSize = convertedSize; |
| 689 | #endif |
| 690 | QCOMPARE(file.size(), fileSize); |
| 691 | QCOMPARE(file.pos(), qint64(0)); |
| 692 | |
| 693 | QCOMPARE(file.size(), fileSize); |
| 694 | QCOMPARE(file.readAll(), readContent); |
| 695 | QCOMPARE(file.pos(), fileSize); |
| 696 | |
| 697 | file.close(); |
| 698 | QVERIFY(!file.isOpen()); |
| 699 | QCOMPARE(file.size(), fileSize); |
| 700 | } |
| 701 | |
| 702 | if (writeContent.isEmpty()) |
| 703 | return; |
| 704 | |
| 705 | { |
| 706 | // Writing / appending |
| 707 | QFile file(fileName); |
| 708 | |
| 709 | QVERIFY(!file.isOpen()); |
| 710 | QVERIFY(file.open(QIODevice::WriteOnly | QIODevice::Append | QIODevice::Unbuffered)); |
| 711 | |
| 712 | QVERIFY(file.isOpen()); |
| 713 | QCOMPARE(file.size(), fileSize); |
| 714 | QCOMPARE(file.pos(), fileSize); |
| 715 | |
| 716 | QCOMPARE(file.write(writeContent), qint64(writeContent.size())); |
| 717 | |
| 718 | fileSize += writeContent.size(); |
| 719 | QCOMPARE(file.pos(), fileSize); |
| 720 | QCOMPARE(file.size(), fileSize); |
| 721 | |
| 722 | file.close(); |
| 723 | QVERIFY(!file.isOpen()); |
| 724 | QCOMPARE(file.size(), fileSize); |
| 725 | } |
| 726 | |
| 727 | // |
| 728 | // File content is: readContent + writeContent |
| 729 | // |
| 730 | |
| 731 | { |
| 732 | // Reading and Writing |
| 733 | QFile file(fileName); |
| 734 | |
| 735 | QVERIFY(!file.isOpen()); |
| 736 | QVERIFY(file.open(QIODevice::ReadWrite | QIODevice::Unbuffered)); |
| 737 | |
| 738 | QVERIFY(file.isOpen()); |
| 739 | QCOMPARE(file.size(), fileSize); |
| 740 | QCOMPARE(file.pos(), qint64(0)); |
| 741 | |
| 742 | QCOMPARE(file.readAll(), readContent + writeContent); |
| 743 | QCOMPARE(file.pos(), fileSize); |
| 744 | QCOMPARE(file.size(), fileSize); |
| 745 | |
| 746 | QVERIFY(file.seek(writeContent.size())); |
| 747 | QCOMPARE(file.pos(), qint64(writeContent.size())); |
| 748 | QCOMPARE(file.size(), fileSize); |
| 749 | |
| 750 | QCOMPARE(file.write(readContent), qint64(readContent.size())); |
| 751 | QCOMPARE(file.pos(), fileSize); |
| 752 | QCOMPARE(file.size(), fileSize); |
| 753 | |
| 754 | QVERIFY(file.seek(0)); |
| 755 | QCOMPARE(file.pos(), qint64(0)); |
| 756 | QCOMPARE(file.size(), fileSize); |
| 757 | |
| 758 | QCOMPARE(file.write(writeContent), qint64(writeContent.size())); |
| 759 | QCOMPARE(file.pos(), qint64(writeContent.size())); |
| 760 | QCOMPARE(file.size(), fileSize); |
| 761 | |
| 762 | QVERIFY(file.seek(0)); |
| 763 | QCOMPARE(file.read(writeContent.size()), writeContent); |
| 764 | QCOMPARE(file.pos(), qint64(writeContent.size())); |
| 765 | QCOMPARE(file.size(), fileSize); |
| 766 | |
| 767 | QCOMPARE(file.readAll(), readContent); |
| 768 | QCOMPARE(file.pos(), fileSize); |
| 769 | QCOMPARE(file.size(), fileSize); |
| 770 | |
| 771 | file.close(); |
| 772 | QVERIFY(!file.isOpen()); |
| 773 | QCOMPARE(file.size(), fileSize); |
| 774 | } |
| 775 | |
| 776 | // |
| 777 | // File content is: writeContent + readContent |
| 778 | // |
| 779 | |
| 780 | { |
| 781 | // Writing |
| 782 | QFile file(fileName); |
| 783 | |
| 784 | QVERIFY(!file.isOpen()); |
| 785 | QVERIFY(file.open(QIODevice::ReadWrite | QIODevice::Unbuffered)); |
| 786 | |
| 787 | QVERIFY(file.isOpen()); |
| 788 | QCOMPARE(file.size(), fileSize); |
| 789 | QCOMPARE(file.pos(), qint64(0)); |
| 790 | |
| 791 | QCOMPARE(file.write(writeContent), qint64(writeContent.size())); |
| 792 | QCOMPARE(file.pos(), qint64(writeContent.size())); |
| 793 | QCOMPARE(file.size(), fileSize); |
| 794 | |
| 795 | QVERIFY(file.resize(writeContent.size())); |
| 796 | QCOMPARE(file.size(), qint64(writeContent.size())); |
| 797 | |
| 798 | file.close(); |
| 799 | QVERIFY(!file.isOpen()); |
| 800 | QCOMPARE(file.size(), qint64(writeContent.size())); |
| 801 | |
| 802 | QVERIFY(file.resize(fileSize)); |
| 803 | QCOMPARE(file.size(), fileSize); |
| 804 | } |
| 805 | |
| 806 | // |
| 807 | // File content is: writeContent + <undefined> |
| 808 | // File size is : (readContent + writeContent).size() |
| 809 | // |
| 810 | |
| 811 | { |
| 812 | // Writing / extending |
| 813 | QFile file(fileName); |
| 814 | |
| 815 | QVERIFY(!file.isOpen()); |
| 816 | QVERIFY(file.open(QIODevice::ReadWrite | QIODevice::Unbuffered)); |
| 817 | |
| 818 | QVERIFY(file.isOpen()); |
| 819 | QCOMPARE(file.size(), fileSize); |
| 820 | QCOMPARE(file.pos(), qint64(0)); |
| 821 | |
| 822 | QVERIFY(file.seek(1024)); |
| 823 | QCOMPARE(file.pos(), qint64(1024)); |
| 824 | QCOMPARE(file.size(), fileSize); |
| 825 | |
| 826 | fileSize = 1024 + writeContent.size(); |
| 827 | QCOMPARE(file.write(writeContent), qint64(writeContent.size())); |
| 828 | QCOMPARE(file.pos(), fileSize); |
| 829 | QCOMPARE(file.size(), fileSize); |
| 830 | |
| 831 | QVERIFY(file.seek(1028)); |
| 832 | QCOMPARE(file.pos(), qint64(1028)); |
| 833 | QCOMPARE(file.size(), fileSize); |
| 834 | |
| 835 | fileSize = 1028 + writeContent.size(); |
| 836 | QCOMPARE(file.write(writeContent), qint64(writeContent.size())); |
| 837 | QCOMPARE(file.pos(), fileSize); |
| 838 | QCOMPARE(file.size(), fileSize); |
| 839 | |
| 840 | file.close(); |
| 841 | QVERIFY(!file.isOpen()); |
| 842 | QCOMPARE(file.size(), fileSize); |
| 843 | } |
| 844 | |
| 845 | // |
| 846 | // File content is: writeContent + <undefined> + writeContent |
| 847 | // File size is : 1024 + writeContent.size() |
| 848 | // |
| 849 | |
| 850 | { |
| 851 | // Writing / truncating |
| 852 | QFile file(fileName); |
| 853 | |
| 854 | QVERIFY(!file.isOpen()); |
| 855 | QVERIFY(file.open(QIODevice::WriteOnly | QIODevice::Truncate | QIODevice::Unbuffered)); |
| 856 | |
| 857 | QVERIFY(file.isOpen()); |
| 858 | QCOMPARE(file.size(), qint64(0)); |
| 859 | QCOMPARE(file.pos(), qint64(0)); |
| 860 | |
| 861 | fileSize = readContent.size(); |
| 862 | QCOMPARE(file.write(readContent), fileSize); |
| 863 | QCOMPARE(file.pos(), fileSize); |
| 864 | QCOMPARE(file.size(), fileSize); |
| 865 | |
| 866 | file.close(); |
| 867 | QVERIFY(!file.isOpen()); |
| 868 | QCOMPARE(file.size(), fileSize); |
| 869 | } |
| 870 | |
| 871 | // |
| 872 | // File content is: readContent |
| 873 | // |
| 874 | } |
| 875 | |
| 876 | void tst_QAbstractFileEngine::mounting_data() |
| 877 | { |
| 878 | QTest::addColumn<QString>(name: "fileName" ); |
| 879 | QTest::newRow(dataTag: "native" ) << "test.tar" ; |
| 880 | QTest::newRow(dataTag: "Forced QFSFileEngine" ) << "QFSFileEngine:test.tar" ; |
| 881 | } |
| 882 | |
| 883 | void tst_QAbstractFileEngine::mounting() |
| 884 | { |
| 885 | FileSystem fs; |
| 886 | QVERIFY(fs.createFile("test.tar" )); |
| 887 | FileEngineHandler handler; |
| 888 | |
| 889 | QFETCH(QString, fileName); |
| 890 | const QString absName = fs.absoluteFilePath(fileName); |
| 891 | |
| 892 | QVERIFY(QFileInfo(absName).isDir()); |
| 893 | QDir dir(absName); |
| 894 | QCOMPARE(dir.entryList(), (QStringList() << "bar" << "foo" )); |
| 895 | QDir dir2(fs.path()); |
| 896 | bool found = false; |
| 897 | foreach (QFileInfo info, dir2.entryInfoList()) { |
| 898 | if (info.fileName() == QLatin1String("test.tar" )) { |
| 899 | QVERIFY(!found); |
| 900 | found = true; |
| 901 | QVERIFY(info.isDir()); |
| 902 | } |
| 903 | } |
| 904 | QVERIFY(found); |
| 905 | } |
| 906 | |
| 907 | QTEST_APPLESS_MAIN(tst_QAbstractFileEngine) |
| 908 | #include "tst_qabstractfileengine.moc" |
| 909 | |
| 910 | |