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/*
* SPDX-FileCopyrightText: 2023 Nextcloud GmbH and Nextcloud contributors
* SPDX-FileCopyrightText: 2018 ownCloud GmbH
* SPDX-License-Identifier: CC0-1.0
*
* This software is in the public domain, furnished "as is", without technical
* support, and with no warranty, express or implied, as to its usefulness for
* any purpose.
*/
#include <QtTest>
#include "syncenginetestutils.h"
#include "lockwatcher.h"
#include <syncengine.h>
#include <localdiscoverytracker.h>
using namespace OCC;
#ifdef Q_OS_WIN
// pass combination of FILE_SHARE_READ, FILE_SHARE_WRITE, FILE_SHARE_DELETE
HANDLE makeHandle(const QString &file, int shareMode)
{
const auto fName = FileSystem::longWinPath(file);
const auto wuri = reinterpret_cast<const wchar_t *>(fName.utf16());
auto handle = CreateFileW(
wuri,
GENERIC_READ | GENERIC_WRITE,
shareMode,
nullptr, OPEN_EXISTING,
FILE_ATTRIBUTE_NORMAL,
nullptr);
if (handle == INVALID_HANDLE_VALUE) {
qWarning() << GetLastError();
}
return handle;
}
#endif
class TestLockedFiles : public QObject
{
Q_OBJECT
private slots:
void initTestCase()
{
OCC::Logger::instance()->setLogFlush(true);
OCC::Logger::instance()->setLogDebug(true);
QStandardPaths::setTestModeEnabled(true);
}
void testBasicLockFileWatcher()
{
QTemporaryDir tmp;
int count = 0;
QString file;
LockWatcher watcher;
watcher.setCheckInterval(std::chrono::milliseconds(50));
connect(&watcher, &LockWatcher::fileUnlocked, &watcher, [&](const QString &f) { ++count; file = f; });
const QString tmpFile = tmp.path() + QString::fromUtf8("/alonglonglonglong/blonglonglonglong/clonglonglonglong/dlonglonglonglong/"
"elonglonglonglong/flonglonglonglong/glonglonglonglong/hlonglonglonglong/ilonglonglonglong/"
"jlonglonglonglong/klonglonglonglong/llonglonglonglong/mlonglonglonglong/nlonglonglonglong/"
"olonglonglonglong/file🐷.txt");
{
// use a long file path to ensure we handle that correctly
QVERIFY(QFileInfo(tmpFile).dir().mkpath("."));
QFile tmp(tmpFile);
QVERIFY(tmp.open(QFile::WriteOnly));
QVERIFY(tmp.write("ownCLoud"));
}
QVERIFY(QFile::exists(tmpFile));
QVERIFY(!FileSystem::isFileLocked(tmpFile));
watcher.addFile(tmpFile);
QVERIFY(watcher.contains(tmpFile));
QEventLoop loop;
QTimer::singleShot(120, &loop, [&] { loop.exit(); });
loop.exec();
QCOMPARE(count, 1);
QCOMPARE(file, tmpFile);
QVERIFY(!watcher.contains(tmpFile));
#ifdef Q_OS_WIN
auto h = makeHandle(tmpFile, 0);
QVERIFY(FileSystem::isFileLocked(tmpFile));
watcher.addFile(tmpFile);
count = 0;
file.clear();
QThread::msleep(120);
qApp->processEvents();
QCOMPARE(count, 0);
QVERIFY(file.isEmpty());
QVERIFY(watcher.contains(tmpFile));
CloseHandle(h);
QVERIFY(!FileSystem::isFileLocked(tmpFile));
QThread::msleep(120);
qApp->processEvents();
QCOMPARE(count, 1);
QCOMPARE(file, tmpFile);
QVERIFY(!watcher.contains(tmpFile));
#endif
QVERIFY(tmp.remove());
}
#ifdef Q_OS_WIN
void testLockedFilePropagation()
{
FakeFolder fakeFolder{ FileInfo::A12_B12_C12_S12() };
QStringList seenLockedFiles;
connect(&fakeFolder.syncEngine(), &SyncEngine::seenLockedFile, &fakeFolder.syncEngine(),
[&](const QString &file) { seenLockedFiles.append(file); });
LocalDiscoveryTracker tracker;
connect(&fakeFolder.syncEngine(), &SyncEngine::itemCompleted, &tracker, &LocalDiscoveryTracker::slotItemCompleted);
connect(&fakeFolder.syncEngine(), &SyncEngine::finished, &tracker, &LocalDiscoveryTracker::slotSyncFinished);
auto hasLocalDiscoveryPath = [&](const QString &path) {
auto &paths = tracker.localDiscoveryPaths();
return paths.find(path.toUtf8()) != paths.end();
};
//
// Local change, attempted upload, but file is locked!
//
fakeFolder.localModifier().appendByte("A/a1");
tracker.addTouchedPath("A/a1");
auto h1 = makeHandle(fakeFolder.localPath() + "A/a1", 0);
fakeFolder.syncEngine().setLocalDiscoveryOptions(LocalDiscoveryStyle::DatabaseAndFilesystem, tracker.localDiscoveryPaths());
tracker.startSyncPartialDiscovery();
QVERIFY(!fakeFolder.syncOnce());
QVERIFY(seenLockedFiles.contains(fakeFolder.localPath() + "A/a1"));
QVERIFY(seenLockedFiles.size() == 1);
QVERIFY(hasLocalDiscoveryPath("A/a1"));
CloseHandle(h1);
fakeFolder.syncEngine().setLocalDiscoveryOptions(LocalDiscoveryStyle::DatabaseAndFilesystem, tracker.localDiscoveryPaths());
tracker.startSyncPartialDiscovery();
QVERIFY(fakeFolder.syncOnce());
QCOMPARE(fakeFolder.currentLocalState(), fakeFolder.currentRemoteState());
seenLockedFiles.clear();
QVERIFY(tracker.localDiscoveryPaths().empty());
//
// Remote change, attempted download, but file is locked!
//
fakeFolder.remoteModifier().appendByte("A/a1");
auto h2 = makeHandle(fakeFolder.localPath() + "A/a1", 0);
fakeFolder.syncEngine().setLocalDiscoveryOptions(LocalDiscoveryStyle::DatabaseAndFilesystem, tracker.localDiscoveryPaths());
tracker.startSyncPartialDiscovery();
QVERIFY(!fakeFolder.syncOnce());
QVERIFY(seenLockedFiles.contains(fakeFolder.localPath() + "A/a1"));
QVERIFY(seenLockedFiles.size() == 1);
CloseHandle(h2);
fakeFolder.syncEngine().setLocalDiscoveryOptions(LocalDiscoveryStyle::DatabaseAndFilesystem, tracker.localDiscoveryPaths());
tracker.startSyncPartialDiscovery();
QVERIFY(fakeFolder.syncOnce());
QCOMPARE(fakeFolder.currentLocalState(), fakeFolder.currentRemoteState());
}
#endif
};
QTEST_GUILESS_MAIN(TestLockedFiles)
#include "testlockedfiles.moc"
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