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-rw-r--r--tests/auto/corelib/io/qfilesystemwatcher/tst_qfilesystemwatcher.cpp207
1 files changed, 113 insertions, 94 deletions
diff --git a/tests/auto/corelib/io/qfilesystemwatcher/tst_qfilesystemwatcher.cpp b/tests/auto/corelib/io/qfilesystemwatcher/tst_qfilesystemwatcher.cpp
index 72d0960473..a5b0087f9c 100644
--- a/tests/auto/corelib/io/qfilesystemwatcher/tst_qfilesystemwatcher.cpp
+++ b/tests/auto/corelib/io/qfilesystemwatcher/tst_qfilesystemwatcher.cpp
@@ -1,31 +1,7 @@
-/****************************************************************************
-**
-** Copyright (C) 2016 The Qt Company Ltd.
-** Contact: https://www.qt.io/licensing/
-**
-** This file is part of the test suite of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:GPL-EXCEPT$
-** Commercial License Usage
-** Licensees holding valid commercial Qt licenses may use this file in
-** accordance with the commercial license agreement provided with the
-** Software or, alternatively, in accordance with the terms contained in
-** a written agreement between you and The Qt Company. For licensing terms
-** and conditions see https://www.qt.io/terms-conditions. For further
-** information use the contact form at https://www.qt.io/contact-us.
-**
-** GNU General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU
-** General Public License version 3 as published by the Free Software
-** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
-** included in the packaging of this file. Please review the following
-** information to ensure the GNU General Public License requirements will
-** be met: https://www.gnu.org/licenses/gpl-3.0.html.
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-#include <QtTest/QtTest>
+// Copyright (C) 2021 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
+
+#include <QTest>
#include <QCoreApplication>
@@ -33,9 +9,31 @@
#include <QFileSystemWatcher>
#include <QElapsedTimer>
#include <QTextStream>
+#include <QMap>
+#include <QString>
#include <QDir>
+#include <QSignalSpy>
+#include <QTimer>
+#include <QTemporaryFile>
#if defined(Q_OS_WIN)
-#include <windows.h>
+#include <qt_windows.h>
+#endif
+
+#ifdef Q_OS_ANDROID
+#include <QStandardPaths>
+#endif
+
+using namespace std::chrono_literals;
+
+#if defined(Q_OS_QNX)
+// Longer polling times on QNX, otherwise the tests fail on the CI
+constexpr auto nativeEngineTimeout = 1s;
+constexpr auto pollingEngineTimeout = 1s;
+constexpr bool isQNX = true;
+#else
+constexpr auto nativeEngineTimeout = 0ms;
+constexpr auto pollingEngineTimeout = 20ms;
+constexpr bool isQNX = false;
#endif
/* All tests need to run in temporary directories not used
@@ -97,7 +95,7 @@ tst_QFileSystemWatcher::tst_QFileSystemWatcher()
m_tempDirPattern += QLatin1Char('/');
m_tempDirPattern += QStringLiteral("tst_qfilesystemwatcherXXXXXX");
-#if defined(Q_OS_ANDROID) && !defined(Q_OS_ANDROID_EMBEDDED)
+#ifdef Q_OS_ANDROID
QDir::setCurrent(QStandardPaths::writableLocation(QStandardPaths::CacheLocation));
#endif
}
@@ -117,7 +115,7 @@ void tst_QFileSystemWatcher::basicTest_data()
+ QChar(ushort(0x00DC)) // LATIN_CAPITAL_LETTER_U_WITH_DIAERESIS
+ QStringLiteral(".txt");
-#if !defined(Q_OS_QNX) || !defined(QT_NO_INOTIFY)
+#if !defined(QT_NO_INOTIFY)
QTest::newRow("native backend-testfile") << "native" << testFile;
QTest::newRow("native backend-specialchars") << "native" << specialCharacterFile;
#endif
@@ -145,26 +143,27 @@ void tst_QFileSystemWatcher::basicTest()
watcher.setObjectName(QLatin1String("_qt_autotest_force_engine_") + backend);
QVERIFY(watcher.addPath(testFile.fileName()));
+ const bool isPollerBackend = backend == u"poller";
+
QSignalSpy changedSpy(&watcher, &QFileSystemWatcher::fileChanged);
QVERIFY(changedSpy.isValid());
QEventLoop eventLoop;
QTimer timer;
+ timer.setInterval(isPollerBackend ? pollingEngineTimeout : nativeEngineTimeout);
connect(&timer, SIGNAL(timeout()), &eventLoop, SLOT(quit()));
// modify the file, should get a signal from the watcher
- // resolution of the modification time is system dependent, but it's at most 1 second when using
- // the polling engine. I've heard rumors that FAT32 has a 2 second resolution. So, we have to
- // wait a bit before we can modify the file (hrmph)...
- QTest::qWait(2000);
+ if (isPollerBackend || isQNX)
+ QTest::qWait(pollingEngineTimeout);
- testFile.open(QIODevice::WriteOnly | QIODevice::Append);
+ QVERIFY(testFile.open(QIODevice::WriteOnly | QIODevice::Append));
testFile.write(QByteArray("world"));
testFile.close();
// waiting max 5 seconds for notification for file modification to trigger
- QTRY_COMPARE(changedSpy.count(), 1);
- QCOMPARE(changedSpy.at(0).count(), 1);
+ QTRY_COMPARE(changedSpy.size(), 1);
+ QCOMPARE(changedSpy.at(0).size(), 1);
QString fileName = changedSpy.at(0).at(0).toString();
QCOMPARE(fileName, testFile.fileName());
@@ -173,25 +172,25 @@ void tst_QFileSystemWatcher::basicTest()
// remove the watch and modify the file, should not get a signal from the watcher
QVERIFY(watcher.removePath(testFile.fileName()));
- testFile.open(QIODevice::WriteOnly | QIODevice::Truncate);
+ QVERIFY(testFile.open(QIODevice::WriteOnly | QIODevice::Truncate));
testFile.write(QByteArray("hello universe!"));
testFile.close();
- // waiting max 5 seconds for notification for file modification to trigger
- timer.start(5000);
+ // waiting for notification for file modification to trigger
+ timer.start();
eventLoop.exec();
- QCOMPARE(changedSpy.count(), 0);
+ QCOMPARE(changedSpy.size(), 0);
// readd the file watch with a relative path
const QString relativeTestFileName = QDir::current().relativeFilePath(testFile.fileName());
QVERIFY(!relativeTestFileName.isEmpty());
QVERIFY(watcher.addPath(relativeTestFileName));
- testFile.open(QIODevice::WriteOnly | QIODevice::Truncate);
+ QVERIFY(testFile.open(QIODevice::WriteOnly | QIODevice::Truncate));
testFile.write(QByteArray("hello multiverse!"));
testFile.close();
- QTRY_VERIFY(changedSpy.count() > 0);
+ QTRY_VERIFY(changedSpy.size() > 0);
QVERIFY(watcher.removePath(relativeTestFileName));
@@ -207,8 +206,8 @@ void tst_QFileSystemWatcher::basicTest()
#if !defined(Q_OS_QNX)
// waiting max 5 seconds for notification for file permission modification to trigger
- QTRY_COMPARE(changedSpy.count(), 1);
- QCOMPARE(changedSpy.at(0).count(), 1);
+ QTRY_COMPARE(changedSpy.size(), 1);
+ QCOMPARE(changedSpy.at(0).size(), 1);
fileName = changedSpy.at(0).at(0).toString();
QCOMPARE(fileName, testFile.fileName());
@@ -221,11 +220,11 @@ void tst_QFileSystemWatcher::basicTest()
QVERIFY(watcher.removePath(testFile.fileName()));
testFile.setPermissions(QFile::ReadOwner | QFile::WriteOwner | QFile::ExeOther);
- // waiting max 5 seconds for notification for file modification to trigger
- timer.start(5000);
+ // waiting for notification for file modification to trigger
+ timer.start();
eventLoop.exec();
- QCOMPARE(changedSpy.count(), 0);
+ QCOMPARE(changedSpy.size(), 0);
// readd the file watch
QVERIFY(watcher.addPath(testFile.fileName()));
@@ -236,8 +235,8 @@ void tst_QFileSystemWatcher::basicTest()
// waiting max 5 seconds for notification for file removal to trigger
// > 0 && < 3 because some platforms may emit two changes
// XXX: which platforms? (QTBUG-23370)
- QTRY_VERIFY(changedSpy.count() > 0 && changedSpy.count() < 3);
- QCOMPARE(changedSpy.at(0).count(), 1);
+ QTRY_VERIFY(changedSpy.size() > 0 && changedSpy.size() < 3);
+ QCOMPARE(changedSpy.at(0).size(), 1);
fileName = changedSpy.at(0).at(0).toString();
QCOMPARE(fileName, testFile.fileName());
@@ -249,11 +248,11 @@ void tst_QFileSystemWatcher::basicTest()
testFile.write(QByteArray("hello"));
testFile.close();
- // waiting max 5 seconds for notification for file recreation to trigger
- timer.start(5000);
+ // waiting for notification for file recreation to trigger
+ timer.start();
eventLoop.exec();
- QCOMPARE(changedSpy.count(), 0);
+ QCOMPARE(changedSpy.size(), 0);
QVERIFY(testFile.remove());
}
@@ -264,7 +263,9 @@ void tst_QFileSystemWatcher::watchDirectory_data()
QTest::addColumn<QStringList>("testDirNames");
const QStringList testDirNames = {QStringLiteral("testdir"), QStringLiteral("testdir2")};
+#if !defined(QT_NO_INOTIFY)
QTest::newRow("native backend") << "native" << testDirNames;
+#endif
QTest::newRow("poller backend") << "poller" << testDirNames;
}
@@ -295,16 +296,18 @@ void tst_QFileSystemWatcher::watchDirectory()
watcher.setObjectName(QLatin1String("_qt_autotest_force_engine_") + backend);
QVERIFY(watcher.addPaths(testDirs).isEmpty());
+ const bool isPollerBackend = backend == u"poller";
+
QSignalSpy changedSpy(&watcher, &QFileSystemWatcher::directoryChanged);
QVERIFY(changedSpy.isValid());
QEventLoop eventLoop;
QTimer timer;
+ timer.setInterval(isPollerBackend ? pollingEngineTimeout : nativeEngineTimeout);
connect(&timer, SIGNAL(timeout()), &eventLoop, SLOT(quit()));
- // resolution of the modification time is system dependent, but it's at most 1 second when using
- // the polling engine. From what I know, FAT32 has a 2 second resolution. So we have to
- // wait before modifying the directory...
- QTest::qWait(2000);
+ if (isPollerBackend || isQNX)
+ QTest::qWait(pollingEngineTimeout);
+
// remove the watch, should not get notification of a new file
QVERIFY(watcher.removePaths(testDirs).isEmpty());
for (const auto &testFileName : testFiles) {
@@ -313,11 +316,11 @@ void tst_QFileSystemWatcher::watchDirectory()
testFile.close();
}
- // waiting max 5 seconds for notification for file recreationg to trigger
- timer.start(5000);
+ // waiting for notification for file recreation to trigger
+ timer.start();
eventLoop.exec();
- QCOMPARE(changedSpy.count(), 0);
+ QCOMPARE(changedSpy.size(), 0);
QVERIFY(watcher.addPaths(testDirs).isEmpty());
@@ -325,7 +328,7 @@ void tst_QFileSystemWatcher::watchDirectory()
for (const auto &testFileName : testFiles)
QVERIFY(QFile::remove(testFileName));
- timer.start(5000);
+ timer.start();
eventLoop.exec();
// remove the directory, should get a signal from the watcher
@@ -337,10 +340,10 @@ void tst_QFileSystemWatcher::watchDirectory()
signalCounter[testDirName] = 0;
// waiting max 5 seconds for notification for directory removal to trigger
- QTRY_COMPARE(changedSpy.count(), testDirs.size() * 2);
- for (int i = 0; i < changedSpy.count(); i++) {
+ QTRY_COMPARE(changedSpy.size(), testDirs.size() * 2);
+ for (int i = 0; i < changedSpy.size(); i++) {
const auto &signal = changedSpy.at(i);
- QCOMPARE(signal.count(), 1);
+ QCOMPARE(signal.size(), 1);
auto it = signalCounter.find(signal.at(0).toString());
QVERIFY(it != signalCounter.end());
@@ -352,7 +355,7 @@ void tst_QFileSystemWatcher::watchDirectory()
QCOMPARE(count, 2);
// flush pending signals (like the one from the rmdir above)
- timer.start(5000);
+ timer.start();
eventLoop.exec();
changedSpy.clear();
@@ -364,11 +367,11 @@ void tst_QFileSystemWatcher::watchDirectory()
}
}
- // waiting max 5 seconds for notification for dir recreation to trigger
- timer.start(5000);
+ // waiting for notification for dir recreation to trigger
+ timer.start();
eventLoop.exec();
- QCOMPARE(changedSpy.count(), 0);
+ QCOMPARE(changedSpy.size(), 0);
for (const auto &testDirName : testDirs)
QVERIFY(temporaryDir.rmdir(testDirName));
@@ -380,12 +383,12 @@ void tst_QFileSystemWatcher::addPath()
QFileSystemWatcher watcher;
QString home = QDir::homePath();
QVERIFY(watcher.addPath(home));
- QCOMPARE(watcher.directories().count(), 1);
+ QCOMPARE(watcher.directories().size(), 1);
QCOMPARE(watcher.directories().first(), home);
// second watch on an already-watched path should fail
QVERIFY(!watcher.addPath(home));
- QCOMPARE(watcher.directories().count(), 1);
+ QCOMPARE(watcher.directories().size(), 1);
// With empty string
QTest::ignoreMessage(QtWarningMsg, "QFileSystemWatcher::addPath: path is empty");
@@ -398,9 +401,9 @@ void tst_QFileSystemWatcher::removePath()
QString home = QDir::homePath();
QVERIFY(watcher.addPath(home));
QVERIFY(watcher.removePath(home));
- QCOMPARE(watcher.directories().count(), 0);
+ QCOMPARE(watcher.directories().size(), 0);
QVERIFY(!watcher.removePath(home));
- QCOMPARE(watcher.directories().count(), 0);
+ QCOMPARE(watcher.directories().size(), 0);
// With empty string
QTest::ignoreMessage(QtWarningMsg, "QFileSystemWatcher::removePath: path is empty");
@@ -411,9 +414,15 @@ void tst_QFileSystemWatcher::addPaths()
{
QFileSystemWatcher watcher;
QStringList paths;
- paths << QDir::homePath() << QDir::currentPath();
+ paths << QDir::homePath() << QDir::tempPath();
+#ifndef Q_OS_QNX
+ // Adding this makes QNX fail and we haven't investigated why
+ for (const QFileInfo &fi : QDir::drives())
+ paths << fi.absoluteFilePath(); // on Unix, this will be just "/"
+#endif
+
QCOMPARE(watcher.addPaths(paths), QStringList());
- QCOMPARE(watcher.directories().count(), 2);
+ QCOMPARE(watcher.directories().size(), paths.size());
// With empty list
paths.clear();
@@ -479,11 +488,17 @@ void tst_QFileSystemWatcher::removePaths()
{
QFileSystemWatcher watcher;
QStringList paths;
- paths << QDir::homePath() << QDir::currentPath();
+ paths << QDir::homePath() << QDir::tempPath();
+#ifndef Q_OS_QNX
+ // Adding this makes QNX fail and we haven't investigated why
+ for (const QFileInfo &fi : QDir::drives())
+ paths << fi.absoluteFilePath(); // on Unix, this will be just "/"
+#endif
+
QCOMPARE(watcher.addPaths(paths), QStringList());
- QCOMPARE(watcher.directories().count(), 2);
+ QCOMPARE(watcher.directories().size(), paths.size());
QCOMPARE(watcher.removePaths(paths), QStringList());
- QCOMPARE(watcher.directories().count(), 0);
+ QCOMPARE(watcher.directories().size(), 0);
//With empty list
paths.clear();
@@ -551,28 +566,29 @@ void tst_QFileSystemWatcher::watchFileAndItsDirectory()
QVERIFY(watcher.addPath(testDir.absolutePath()));
QVERIFY(watcher.addPath(testFileName));
+ const bool isPollerBackend = backend == u"poller";
+
QSignalSpy fileChangedSpy(&watcher, &QFileSystemWatcher::fileChanged);
FileSystemWatcherSpy dirChangedSpy(&watcher, FileSystemWatcherSpy::SpyOnDirectoryChanged);
QVERIFY(fileChangedSpy.isValid());
QEventLoop eventLoop;
QTimer timer;
+ timer.setInterval(isPollerBackend ? pollingEngineTimeout : nativeEngineTimeout);
connect(&timer, SIGNAL(timeout()), &eventLoop, SLOT(quit()));
- // resolution of the modification time is system dependent, but it's at most 1 second when using
- // the polling engine. From what I know, FAT32 has a 2 second resolution. So we have to
- // wait before modifying the directory...
- QTest::qWait(2000);
+ if (isPollerBackend || isQNX)
+ QTest::qWait(pollingEngineTimeout);
QVERIFY2(testFile.open(QIODevice::WriteOnly | QIODevice::Truncate), msgFileOperationFailed("open", testFile));
QVERIFY2(testFile.write(QByteArrayLiteral("hello again")), msgFileOperationFailed("write", testFile));
testFile.close();
-#ifdef Q_OS_MAC
+#ifdef Q_OS_DARWIN
// wait again for the file's atime to be updated
QTest::qWait(2000);
#endif
- QTRY_VERIFY(fileChangedSpy.count() > 0);
+ QTRY_VERIFY(fileChangedSpy.size() > 0);
QVERIFY2(dirChangedSpy.count() == 0, dirChangedSpy.receivedFilesMessage());
fileChangedSpy.clear();
@@ -581,9 +597,9 @@ void tst_QFileSystemWatcher::watchFileAndItsDirectory()
QVERIFY2(secondFile.write(QByteArrayLiteral("Foo")) > 0, msgFileOperationFailed("write", secondFile));
secondFile.close();
- timer.start(3000);
+ timer.start();
eventLoop.exec();
- int fileChangedSpyCount = fileChangedSpy.count();
+ int fileChangedSpyCount = fileChangedSpy.size();
#ifdef Q_OS_WIN
if (fileChangedSpyCount != 0)
QEXPECT_FAIL("", "See QTBUG-30943", Continue);
@@ -595,7 +611,7 @@ void tst_QFileSystemWatcher::watchFileAndItsDirectory()
QVERIFY(QFile::remove(testFileName));
- QTRY_VERIFY(fileChangedSpy.count() > 0);
+ QTRY_VERIFY(fileChangedSpy.size() > 0);
QTRY_COMPARE(dirChangedSpy.count(), 1);
fileChangedSpy.clear();
@@ -605,9 +621,9 @@ void tst_QFileSystemWatcher::watchFileAndItsDirectory()
QVERIFY(!watcher.removePath(testFileName));
QVERIFY(QFile::remove(secondFileName));
- timer.start(3000);
+ timer.start();
eventLoop.exec();
- QCOMPARE(fileChangedSpy.count(), 0);
+ QCOMPARE(fileChangedSpy.size(), 0);
QCOMPARE(dirChangedSpy.count(), 1);
// QTBUG-61792, removal should succeed (bug on Windows which uses one change
@@ -629,9 +645,11 @@ void tst_QFileSystemWatcher::nonExistingFile()
QStringList() << "../..//./does-not-exist");
// empty path is not actually a failure
+ QTest::ignoreMessage(QtWarningMsg, "QFileSystemWatcher::addPaths: list is empty");
QCOMPARE(watcher.addPaths(QStringList() << QString()), QStringList());
// empty path is not actually a failure
+ QTest::ignoreMessage(QtWarningMsg, "QFileSystemWatcher::removePaths: list is empty");
QCOMPARE(watcher.removePaths(QStringList() << QString()), QStringList());
}
@@ -710,7 +728,7 @@ void tst_QFileSystemWatcher::QTBUG2331()
// remove directory, we should get one change signal, and we should no longer
// be watching the directory.
QVERIFY(temporaryDirectory.remove());
- QTRY_COMPARE(changedSpy.count(), 1);
+ QTRY_COMPARE(changedSpy.size(), 1);
QCOMPARE(watcher.directories(), QStringList());
}
#endif // QT_BUILD_INTERNAL
@@ -738,7 +756,8 @@ public slots:
QCOMPARE(finfo.absolutePath(), moveSrcDir.absolutePath());
if (!added) {
- foreach (const QFileInfo &fi, moveDestination.entryInfoList(QDir::Files | QDir::NoSymLinks))
+ const auto entries = moveDestination.entryInfoList(QDir::Files | QDir::NoSymLinks);
+ for (const QFileInfo &fi : entries)
watcher->addPath(fi.absoluteFilePath());
added = true;
}
@@ -778,9 +797,9 @@ void tst_QFileSystemWatcher::signalsEmittedAfterFileMoved()
QVERIFY(watcher.addPath(movePath));
// add files to watcher
- QFileInfoList files = testDir.entryInfoList(QDir::Files | QDir::NoSymLinks);
+ const QFileInfoList files = testDir.entryInfoList(QDir::Files | QDir::NoSymLinks);
QCOMPARE(files.size(), fileCount);
- foreach (const QFileInfo &finfo, files)
+ for (const QFileInfo &finfo : files)
QVERIFY(watcher.addPath(finfo.absoluteFilePath()));
// create the signal receiver
@@ -792,7 +811,7 @@ void tst_QFileSystemWatcher::signalsEmittedAfterFileMoved()
QCOMPARE(changedSpy.count(), 0);
// move files to second directory
- foreach (const QFileInfo &finfo, files)
+ for (const QFileInfo &finfo : files)
QVERIFY(testDir.rename(finfo.fileName(), QString("movehere/%2").arg(finfo.fileName())));
QCoreApplication::processEvents();