/* This file is part of the KDE project
   Copyright (C) 2004 David Faure <faure@kde.org>

   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public
   License as published by the Free Software Foundation; either
   version 2 of the License, or (at your option) any later version.

   This library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public License
   along with this library; see the file COPYING.LIB.  If not, write to
   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
   Boston, MA 02110-1301, USA.
*/

#include <qtest.h>

#include "kio_trash.h"
#include "testtrash.h"
#include <kprotocolinfo.h>
#include <ktemporaryfile.h>

#include <kurl.h>
#include <klocale.h>
#include <kio/netaccess.h>
#include <kio/job.h>
#include <kio/copyjob.h>
#include <kio/deletejob.h>
#include <kdebug.h>
#include <kcmdlineargs.h>
#include <kconfiggroup.h>

#include <QDir>
#include <QFileInfo>
#include <QVector>
#include <kjobuidelegate.h>

#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <kmimetype.h>
#include <kfileitem.h>
#include <kstandarddirs.h>
#include <kio/chmodjob.h>
#include <kio/directorysizejob.h>

// There are two ways to test encoding things:
// * with utf8 filenames
// * with latin1 filenames -- not sure this still works.
//
#define UTF8TEST 1

int initLocale()
{
#ifdef UTF8TEST
    // Assume utf8 system
    setenv( "LC_ALL", "en_US.utf-8", 1 );
    setenv( "KDE_UTF8_FILENAMES", "true", 1 );
#else
    // Ensure a known QFile::encodeName behavior for trashUtf8FileFromHome
    // However this assume your $HOME doesn't use characters from other locales...
    setenv( "LC_ALL", "en_US.ISO-8859-1", 1 );
    unsetenv( "KDE_UTF8_FILENAMES" );
#endif
    setenv("KDEHOME", QFile::encodeName( QDir::homePath() + QString::fromLatin1("/.kde-unit-test") ), 1);
    setenv("XDG_DATA_HOME", QFile::encodeName( QDir::homePath() + QString::fromLatin1("/.kde-unit-test/xdg/local") ), 1);
    setenv("XDG_CONFIG_HOME", QFile::encodeName( QDir::homePath() + QString::fromLatin1("/.kde-unit-test/xdg/config") ), 1);
    unsetenv("KDE_COLOR_DEBUG");
    return 0;
}
Q_CONSTRUCTOR_FUNCTION(initLocale)


QString TestTrash::homeTmpDir() const
{
    return KGlobal::dirs()->localkdedir() + QString::fromLatin1("testtrash/");
}

QString TestTrash::readOnlyDirPath() const
{
    return homeTmpDir() + QString::fromLatin1("readonly");
}

QString TestTrash::otherTmpDir() const
{
    // This one needs to be on another partition
    return QString::fromLatin1("/tmp/testtrash/");
}

QString TestTrash::utf8FileName() const
{
    return QString::fromLatin1( "test" ) + QChar( 0x2153 ); // "1/3" character, not part of latin1
}

QString TestTrash::umlautFileName() const
{
    return QString::fromLatin1( "umlaut" ) + QChar( 0xEB );
}

static void removeFile( const QString& trashDir, const QString& fileName )
{
    QDir dir;
    dir.remove( trashDir + fileName );
    QVERIFY( !QDir( trashDir + fileName ).exists() );
}

static void removeDir( const QString& trashDir, const QString& dirName )
{
    QDir dir;
    dir.rmdir( trashDir + dirName );
    QVERIFY( !QDir( trashDir + dirName ).exists() );
}

static void removeDirRecursive( const QString& dir )
{
    if ( QDir( dir ).exists() ) {

        // Make it work even with readonly dirs, like trashReadOnlyDirFromHome() creates
        KUrl u = KUrl::fromPath( dir );
        //kDebug() << "chmod +0200 on" << u;
        KFileItem fileItem(u, QString::fromLatin1("inode/directory"), KFileItem::Unknown);
        KFileItemList fileItemList;
        fileItemList.append( fileItem );
        KIO::ChmodJob* chmodJob = KIO::chmod( fileItemList, 0200, 0200, QString(), QString(), true /*recursive*/, KIO::HideProgressInfo );
        KIO::NetAccess::synchronousRun( chmodJob, 0 );

        KIO::Job* delJob = KIO::del(u, KIO::HideProgressInfo);
        if (!KIO::NetAccess::synchronousRun(delJob, 0))
            kFatal() << "Couldn't delete " << dir ;
    }
}

void TestTrash::initTestCase()
{
    qDebug() << qgetenv("LC_ALL");
    setenv( "KDE_FORK_SLAVES", "yes", true );


    m_trashDir = KGlobal::dirs()->localxdgdatadir() + QString::fromLatin1("Trash");
    kDebug() << "setup: using trash directory " << m_trashDir;

    // Look for another writable partition than $HOME (not mandatory)
    TrashImpl impl;
    impl.init();

    TrashImpl::TrashDirMap trashDirs = impl.trashDirectories();
    TrashImpl::TrashDirMap topDirs = impl.topDirectories();
    bool foundTrashDir = false;
    m_otherPartitionId = 0;
    m_tmpIsWritablePartition = false;
    m_tmpTrashId = -1;
    QVector<int> writableTopDirs;
    for ( TrashImpl::TrashDirMap::ConstIterator it = trashDirs.constBegin(); it != trashDirs.constEnd() ; ++it ) {
        if ( it.key() == 0 ) {
            QVERIFY( it.value() == m_trashDir );
            QVERIFY( topDirs.find( 0 ) == topDirs.end() );
            foundTrashDir = true;
        } else {
            QVERIFY( topDirs.find( it.key() ) != topDirs.end() );
            const QString topdir = topDirs[it.key()];
            if ( QFileInfo( topdir ).isWritable() ) {
                writableTopDirs.append( it.key() );
                if (topdir == QLatin1String("/tmp/")) {
                    m_tmpIsWritablePartition = true;
                    m_tmpTrashId = it.key();
                    kDebug() << "/tmp is on its own partition (trashid=" << m_tmpTrashId << "), some tests will be skipped";
                    removeFile( it.value(), QString::fromLatin1("/info/fileFromOther.trashinfo") );
                    removeFile( it.value(), QString::fromLatin1("/files/fileFromOther") );
                    removeFile( it.value(), QString::fromLatin1("/info/symlinkFromOther.trashinfo") );
                    removeFile( it.value(), QString::fromLatin1("/files/symlinkFromOther") );
                    removeFile( it.value(), QString::fromLatin1("/info/trashDirFromOther.trashinfo") );
                    removeFile( it.value(), QString::fromLatin1("/files/trashDirFromOther/testfile") );
                    removeDir( it.value(), QString::fromLatin1("/files/trashDirFromOther") );
                }
            }
        }
    }
    for ( QVector<int>::const_iterator it = writableTopDirs.constBegin(); it != writableTopDirs.constEnd(); ++it ) {
        const QString topdir = topDirs[ *it ];
        const QString trashdir = trashDirs[ *it ];
        QVERIFY( !topdir.isEmpty() );
        QVERIFY( !trashDirs.isEmpty() );
        if (topdir != QLatin1String("/tmp/") ||         // we'd prefer not to use /tmp here, to separate the tests
            (writableTopDirs.count() > 1)) // but well, if we have no choice, take it
        {
            m_otherPartitionTopDir = topdir;
            m_otherPartitionTrashDir = trashdir;
            m_otherPartitionId = *it;
            kDebug() << "OK, found another writable partition: topDir=" << m_otherPartitionTopDir
                      << " trashDir=" << m_otherPartitionTrashDir << " id=" << m_otherPartitionId << endl;
            break;
        }
    }
    // Check that m_trashDir got listed
    QVERIFY( foundTrashDir );
    if ( m_otherPartitionTrashDir.isEmpty() )
        kWarning() << "No writable partition other than $HOME found, some tests will be skipped" ;

    // Start with a clean base dir
    kDebug() << "initial cleanup";
    removeDirRecursive( homeTmpDir() );
    removeDirRecursive( otherTmpDir() );

    QDir dir; // TT: why not a static method?
    bool ok = dir.mkdir( homeTmpDir() );
    if ( !ok )
        kFatal() << "Couldn't create " << homeTmpDir() ;
    ok = dir.mkdir( otherTmpDir() );
    if ( !ok )
        kFatal() << "Couldn't create " << otherTmpDir() ;

    // Start with a clean trash too
    kDebug() << "removing trash dir";
    removeDirRecursive( m_trashDir );
}

void TestTrash::cleanupTestCase()
{
    // Clean up
    removeDirRecursive( homeTmpDir() );
    removeDirRecursive( otherTmpDir() );
    removeDirRecursive( m_trashDir );
}

void TestTrash::urlTestFile()
{
    const KUrl url = TrashImpl::makeURL(1, QString::fromLatin1("fileId"), QString());
    QCOMPARE( url.url(), QString::fromLatin1("trash:/1-fileId"));

    int trashId;
    QString fileId;
    QString relativePath;
    bool ok = TrashImpl::parseURL( url, trashId, fileId, relativePath );
    QVERIFY( ok );
    QCOMPARE( QString::number( trashId ), QString::fromLatin1( "1" ) );
    QCOMPARE( fileId, QString::fromLatin1( "fileId" ) );
    QCOMPARE( relativePath, QString() );
}

void TestTrash::urlTestDirectory()
{
    const KUrl url = TrashImpl::makeURL( 1, QString::fromLatin1("fileId"), QString::fromLatin1("subfile") );
    QCOMPARE( url.url(), QString::fromLatin1( "trash:/1-fileId/subfile" ) );

    int trashId;
    QString fileId;
    QString relativePath;
    bool ok = TrashImpl::parseURL( url, trashId, fileId, relativePath );
    QVERIFY( ok );
    QCOMPARE( trashId, 1 );
    QCOMPARE( fileId, QString::fromLatin1( "fileId" ) );
    QCOMPARE( relativePath, QString::fromLatin1( "subfile" ) );
}

void TestTrash::urlTestSubDirectory()
{
    const KUrl url = TrashImpl::makeURL(1, QString::fromLatin1("fileId"), QString::fromLatin1("subfile/foobar"));
    QCOMPARE(url.url(), QString::fromLatin1("trash:/1-fileId/subfile/foobar"));

    int trashId;
    QString fileId;
    QString relativePath;
    bool ok = TrashImpl::parseURL( url, trashId, fileId, relativePath );
    QVERIFY( ok );
    QCOMPARE( trashId, 1 );
    QCOMPARE( fileId, QString::fromLatin1( "fileId" ) );
    QCOMPARE( relativePath, QString::fromLatin1( "subfile/foobar" ) );
}

static void checkInfoFile( const QString& infoPath, const QString& origFilePath )
{
    kDebug() << infoPath;
    QFileInfo info( infoPath );
    QVERIFY( info.exists() );
    QVERIFY( info.isFile() );
    KConfig infoFile( info.absoluteFilePath() );
    KConfigGroup group = infoFile.group( "Trash Info" );
    if ( !group.exists() )
        kFatal() << "no Trash Info group in " << info.absoluteFilePath() ;
    const QString origPath = group.readEntry( "Path" );
    QVERIFY(!origPath.isEmpty());
    QVERIFY(origPath == QString::fromLatin1(QUrl::toPercentEncoding(origFilePath, "/")));
    if (origFilePath.contains(QChar(0x2153)) || origFilePath.contains(QLatin1Char('%')) || origFilePath.contains(QString::fromLatin1("umlaut"))) {
        QVERIFY(origPath.contains(QLatin1Char('%')));
    } else {
        QVERIFY(!origPath.contains(QLatin1Char('%')));
    }
    const QString date = group.readEntry( "DeletionDate" );
    QVERIFY(!date.isEmpty());
    QVERIFY(date.contains(QString::fromLatin1("T")));
}

static void createTestFile( const QString& path )
{
    QFile f( path );
    if ( !f.open( QIODevice::WriteOnly ) )
        kFatal() << "Can't create " << path ;
    f.write( "Hello world\n", 12 );
    f.close();
    QVERIFY( QFile::exists( path ) );
}

void TestTrash::trashFile( const QString& origFilePath, const QString& fileId )
{
    // setup
    if ( !QFile::exists( origFilePath ) )
        createTestFile( origFilePath );
    KUrl u;
    u.setPath( origFilePath );

    // test
    KIO::Job* job = KIO::move( u, KUrl("trash:/"), KIO::HideProgressInfo );
    QMap<QString, QString> metaData;
    bool ok = KIO::NetAccess::synchronousRun( job, 0, 0, 0, &metaData );
    if ( !ok )
        kError() << "moving " << u << " to trash failed with error " << KIO::NetAccess::lastError() << " " << KIO::NetAccess::lastErrorString() << endl;
    QVERIFY( ok );
    if (origFilePath.startsWith(QLatin1String("/tmp")) && m_tmpIsWritablePartition) {
        kDebug() << " TESTS SKIPPED";
    } else {
        checkInfoFile(m_trashDir + QString::fromLatin1("/info/") + fileId + QString::fromLatin1(".trashinfo"), origFilePath);

        QFileInfo files(m_trashDir + QString::fromLatin1("/files/") + fileId);
        QVERIFY( files.isFile() );
        QVERIFY( files.size() == 12 );
    }

    // coolo suggests testing that the original file is actually gone, too :)
    QVERIFY( !QFile::exists( origFilePath ) );

    QVERIFY( !metaData.isEmpty() );
    bool found = false;
    QMap<QString, QString>::ConstIterator it = metaData.constBegin();
    for ( ; it != metaData.constEnd() ; ++it ) {
        if (it.key().startsWith(QLatin1String("trashURL"))) {
            const QString origPath = it.key().mid( 9 );
            KUrl trashURL( it.value() );
            kDebug() << trashURL;
            QVERIFY(!trashURL.isEmpty());
            QVERIFY(trashURL.protocol() == QLatin1String("trash"));
            int trashId = 0;
            if (origFilePath.startsWith(QLatin1String("/tmp")) && m_tmpIsWritablePartition)
                trashId = m_tmpTrashId;
            QCOMPARE(trashURL.path(), QString(QString::fromLatin1("/") + QString::number(trashId) + QLatin1Char('-') + fileId));
            found = true;
        }
    }
    QVERIFY( found );
}

void TestTrash::trashFileFromHome()
{
    const QString fileName = QString::fromLatin1("fileFromHome");
    trashFile( homeTmpDir() + fileName, fileName );

    // Do it again, check that we got a different id
    trashFile(homeTmpDir() + fileName, fileName + QString::fromLatin1(" 1"));
}

void TestTrash::trashPercentFileFromHome()
{
    const QString fileName = QString::fromLatin1("file%2f");
    trashFile( homeTmpDir() + fileName, fileName );
}

void TestTrash::trashUtf8FileFromHome()
{
#ifdef UTF8TEST
    const QString fileName = utf8FileName();
    trashFile( homeTmpDir() + fileName, fileName );
#endif
}

void TestTrash::trashUmlautFileFromHome()
{
    const QString fileName = umlautFileName();
    trashFile( homeTmpDir() + fileName, fileName );
}

void TestTrash::testTrashNotEmpty()
{
    KConfig cfg(QString::fromLatin1("trashrc"), KConfig::SimpleConfig);
    const KConfigGroup group = cfg.group( "Status" );
    QVERIFY( group.exists() );
    QVERIFY( group.readEntry( "Empty", true ) == false );
}

void TestTrash::trashFileFromOther()
{
    const QString fileName = QString::fromLatin1("fileFromOther");
    trashFile( otherTmpDir() + fileName, fileName );
}

void TestTrash::trashFileIntoOtherPartition()
{
    if ( m_otherPartitionTrashDir.isEmpty() ) {
        kDebug() << " - SKIPPED";
        return;
    }
    const QString fileName = QString::fromLatin1("testtrash-file");
    const QString origFilePath = m_otherPartitionTopDir + fileName;
    const QString fileId = fileName;
    // cleanup
    QFile::remove(m_otherPartitionTrashDir + QString::fromLatin1("/info/") + fileId + QString::fromLatin1(".trashinfo"));
    QFile::remove(m_otherPartitionTrashDir + QString::fromLatin1("/files/") + fileId);

    // setup
    if ( !QFile::exists( origFilePath ) )
        createTestFile( origFilePath );
    KUrl u;
    u.setPath( origFilePath );

    // test
    KIO::Job* job = KIO::move( u, KUrl("trash:/"), KIO::HideProgressInfo );
    QMap<QString, QString> metaData;
    bool ok = KIO::NetAccess::synchronousRun( job, 0, 0, 0, &metaData );
    QVERIFY( ok );
    // Note that the Path stored in the info file is relative, on other partitions (#95652)
    checkInfoFile(m_otherPartitionTrashDir + QString::fromLatin1("/info/") + fileId + QString::fromLatin1(".trashinfo"), fileName);

    QFileInfo files(m_otherPartitionTrashDir + QString::fromLatin1("/files/") + fileId);
    QVERIFY( files.isFile() );
    QVERIFY( files.size() == 12 );

    // coolo suggests testing that the original file is actually gone, too :)
    QVERIFY( !QFile::exists( origFilePath ) );

    QVERIFY( !metaData.isEmpty() );
    bool found = false;
    QMap<QString, QString>::ConstIterator it = metaData.constBegin();
    for ( ; it != metaData.constEnd() ; ++it ) {
        if (it.key().startsWith( QLatin1String("trashURL"))) {
            const QString origPath = it.key().mid( 9 );
            KUrl trashURL( it.value() );
            kDebug() << trashURL;
            QVERIFY( !trashURL.isEmpty() );
            QVERIFY(trashURL.protocol() == QLatin1String("trash"));
            QVERIFY(trashURL.path() == QString::fromLatin1("/%1-%2").arg( m_otherPartitionId ).arg(fileId));
            found = true;
        }
    }
    QVERIFY( found );
}

void TestTrash::trashFileOwnedByRoot()
{
    KUrl u( "/etc/passwd" );
    const QString fileId = QString::fromLatin1("passwd");

    KIO::CopyJob* job = KIO::move( u, KUrl("trash:/"), KIO::HideProgressInfo );
    job->setUiDelegate(0); // no skip dialog, thanks
    QMap<QString, QString> metaData;
    bool ok = KIO::NetAccess::synchronousRun( job, 0, 0, 0, &metaData );
    QVERIFY( !ok );
    QVERIFY( KIO::NetAccess::lastError() == KIO::ERR_ACCESS_DENIED );
    const QString infoPath(m_trashDir + QString::fromLatin1("/info/") + fileId + QString::fromLatin1(".trashinfo"));
    QVERIFY( !QFile::exists( infoPath ) );

    QFileInfo files(m_trashDir + QString::fromLatin1("/files/") + fileId);
    QVERIFY( !files.exists() );

    QVERIFY( QFile::exists( u.path() ) );
}

void TestTrash::trashSymlink( const QString& origFilePath, const QString& fileId, bool broken )
{
    // setup
    const char* target = broken ? "/nonexistent" : "/tmp";
    bool ok = ::symlink( target, QFile::encodeName( origFilePath ) ) == 0;
    QVERIFY( ok );
    KUrl u;
    u.setPath( origFilePath );

    // test
    KIO::Job* job = KIO::move( u, KUrl("trash:/"), KIO::HideProgressInfo );
    ok = job->exec();
    QVERIFY( ok );
    if (origFilePath.startsWith(QLatin1String("/tmp")) && m_tmpIsWritablePartition) {
        kDebug() << " TESTS SKIPPED";
        return;
    }
    checkInfoFile(m_trashDir + QString::fromLatin1("/info/") + fileId + QString::fromLatin1(".trashinfo"), origFilePath);

    QFileInfo files(m_trashDir + QString::fromLatin1("/files/") + fileId);
    QVERIFY( files.isSymLink() );
    QVERIFY( files.readLink() == QFile::decodeName( target ) );
    QVERIFY( !QFile::exists( origFilePath ) );
}

void TestTrash::trashSymlinkFromHome()
{
    const QString fileName = QString::fromLatin1("symlinkFromHome");
    trashSymlink( homeTmpDir() + fileName, fileName, false );
}

void TestTrash::trashSymlinkFromOther()
{
    const QString fileName = QString::fromLatin1("symlinkFromOther");
    trashSymlink( otherTmpDir() + fileName, fileName, false );
}

void TestTrash::trashBrokenSymlinkFromHome()
{
    const QString fileName = QString::fromLatin1("brokenSymlinkFromHome");
    trashSymlink( homeTmpDir() + fileName, fileName, true );
}

void TestTrash::trashDirectory( const QString& origPath, const QString& fileId )
{
    kDebug() << fileId;
    // setup
    if ( !QFileInfo( origPath ).exists() ) {
        QDir dir;
        bool ok = dir.mkdir( origPath );
        QVERIFY( ok );
    }
    createTestFile(origPath + QString::fromLatin1("/testfile"));
    QVERIFY(QDir().mkdir(origPath + QString::fromLatin1("/subdir")));
    createTestFile(origPath + QString::fromLatin1("/subdir/subfile"));
    KUrl u; u.setPath( origPath );

    // test
    KIO::Job* job = KIO::move( u, KUrl("trash:/"), KIO::HideProgressInfo );
    QVERIFY( job->exec() );
    if (origPath.startsWith(QLatin1String("/tmp")) && m_tmpIsWritablePartition) {
        kDebug() << " TESTS SKIPPED";
        return;
    }
    checkInfoFile(m_trashDir + QString::fromLatin1("/info/") + fileId + QString::fromLatin1(".trashinfo"), origPath);

    QFileInfo filesDir(m_trashDir + QString::fromLatin1("/files/") + fileId);
    QVERIFY( filesDir.isDir() );
    QFileInfo files(m_trashDir + QString::fromLatin1("/files/") + fileId + QString::fromLatin1("/testfile"));
    QVERIFY( files.exists() );
    QVERIFY( files.isFile() );
    QVERIFY( files.size() == 12 );
    QVERIFY( !QFile::exists( origPath ) );
    QVERIFY(QFile::exists(m_trashDir + QString::fromLatin1("/files/") + fileId + QString::fromLatin1("/subdir/subfile")));
}

void TestTrash::trashDirectoryFromHome()
{
    QString dirName = QString::fromLatin1("trashDirFromHome");
    trashDirectory( homeTmpDir() + dirName, dirName );
    // Do it again, check that we got a different id
    trashDirectory(homeTmpDir() + dirName, dirName + QString::fromLatin1(" 1"));
}

void TestTrash::trashDotDirectory()
{
    QString dirName = QString::fromLatin1(".dotTrashDirFromHome");
    trashDirectory( homeTmpDir() + dirName, dirName );
    // Do it again, check that we got a different id
    // TODO trashDirectory(homeTmpDir() + dirName, dirName + QString::fromLatin1(" 1"));
}

void TestTrash::trashReadOnlyDirFromHome()
{
    const QString dirName = readOnlyDirPath();
    QDir dir;
    bool ok = dir.mkdir( dirName );
    QVERIFY( ok );
    // #130780
    const QString subDirPath = dirName + QString::fromLatin1("/readonly_subdir");
    ok = dir.mkdir( subDirPath );
    QVERIFY( ok );
    createTestFile(subDirPath + QString::fromLatin1("/testfile_in_subdir"));
    ::chmod( QFile::encodeName( subDirPath ), 0500 );

    trashDirectory(dirName, QString::fromLatin1("readonly"));
}

void TestTrash::trashDirectoryFromOther()
{
    QString dirName = QString::fromLatin1("trashDirFromOther");
    trashDirectory( otherTmpDir() + dirName, dirName );
}

void TestTrash::tryRenameInsideTrash()
{
    kDebug() << " with file_move";
    KIO::Job* job = KIO::file_move( KUrl("trash:/0-tryRenameInsideTrash"), KUrl("trash:/foobar"), -1, KIO::HideProgressInfo );
    bool worked = KIO::NetAccess::synchronousRun( job, 0 );
    QVERIFY( !worked );
    QVERIFY( KIO::NetAccess::lastError() == KIO::ERR_CANNOT_RENAME );

    kDebug() << " with move";
    job = KIO::move( KUrl("trash:/0-tryRenameInsideTrash"), KUrl("trash:/foobar"), KIO::HideProgressInfo );
    worked = KIO::NetAccess::synchronousRun( job, 0 );
    QVERIFY( !worked );
    QVERIFY( KIO::NetAccess::lastError() == KIO::ERR_CANNOT_RENAME );
}

void TestTrash::delRootFile()
{
    // test deleting a trashed file
    KIO::Job* delJob = KIO::del(KUrl("trash:/0-fileFromHome"), KIO::HideProgressInfo);
    bool ok = KIO::NetAccess::synchronousRun(delJob, 0);
    QVERIFY( ok );

    QFileInfo file( m_trashDir + QString::fromLatin1("/files/fileFromHome") );
    QVERIFY( !file.exists() );
    QFileInfo info( m_trashDir + QString::fromLatin1("/info/fileFromHome.trashinfo") );
    QVERIFY( !info.exists() );

    // trash it again, we might need it later
    const QString fileName = QString::fromLatin1("fileFromHome");
    trashFile( homeTmpDir() + fileName, fileName );
}

void TestTrash::delFileInDirectory()
{
    // test deleting a file inside a trashed directory -> not allowed
    KIO::Job* delJob = KIO::del(KUrl("trash:/0-trashDirFromHome/testfile"), KIO::HideProgressInfo);
    bool ok = KIO::NetAccess::synchronousRun(delJob, 0);
    QVERIFY( !ok );
    QVERIFY( KIO::NetAccess::lastError() == KIO::ERR_ACCESS_DENIED );

    QFileInfo dir( m_trashDir + QString::fromLatin1("/files/trashDirFromHome") );
    QVERIFY( dir.exists() );
    QFileInfo file( m_trashDir + QString::fromLatin1("/files/trashDirFromHome/testfile") );
    QVERIFY( file.exists() );
    QFileInfo info( m_trashDir + QString::fromLatin1("/info/trashDirFromHome.trashinfo") );
    QVERIFY( info.exists() );
}

void TestTrash::delDirectory()
{
    // test deleting a trashed directory
    KIO::Job* delJob = KIO::del(KUrl("trash:/0-trashDirFromHome"), KIO::HideProgressInfo);
    bool ok = KIO::NetAccess::synchronousRun(delJob, 0);
    QVERIFY( ok );

    QFileInfo dir( m_trashDir + QString::fromLatin1("/files/trashDirFromHome") );
    QVERIFY( !dir.exists() );
    QFileInfo file( m_trashDir + QString::fromLatin1("/files/trashDirFromHome/testfile") );
    QVERIFY( !file.exists() );
    QFileInfo info( m_trashDir + QString::fromLatin1("/info/trashDirFromHome.trashinfo") );
    QVERIFY( !info.exists() );

    // trash it again, we'll need it later
    QString dirName = QString::fromLatin1("trashDirFromHome");
    trashDirectory( homeTmpDir() + dirName, dirName );
}

// KIO::NetAccess::stat() doesn't set HideProgressInfo - but it's not much work to do it ourselves:
static bool MyNetAccess_stat(const KUrl& url, KIO::UDSEntry& entry)
{
    KIO::StatJob * statJob = KIO::stat( url, KIO::HideProgressInfo );
    bool ok = KIO::NetAccess::synchronousRun(statJob, 0);
    if (ok)
        entry = statJob->statResult();
    return ok;
}
static bool MyNetAccess_exists(const KUrl& url)
{
    KIO::UDSEntry dummy;
    return MyNetAccess_stat(url, dummy);
}

void TestTrash::statRoot()
{
    KUrl url( "trash:/" );
    KIO::UDSEntry entry;
    bool ok = MyNetAccess_stat( url, entry );
    QVERIFY( ok );
    KFileItem item( entry, url );
    QVERIFY( item.isDir() );
    QVERIFY( !item.isLink() );
    QVERIFY( item.isReadable() );
    QVERIFY( item.isWritable() );
    QVERIFY( !item.isHidden() );
    QCOMPARE(item.name(), QString::fromLatin1("."));
}

void TestTrash::statFileInRoot()
{
    KUrl url( "trash:/0-fileFromHome" );
    KIO::UDSEntry entry;
    bool ok = MyNetAccess_stat( url, entry );
    QVERIFY( ok );
    KFileItem item( entry, url );
    QVERIFY( item.isFile() );
    QVERIFY( !item.isDir() );
    QVERIFY( !item.isLink() );
    QVERIFY( item.isReadable() );
    QVERIFY( !item.isWritable() );
    QVERIFY( !item.isHidden() );
    QCOMPARE(item.text(), QString::fromLatin1("fileFromHome"));
}

void TestTrash::statDirectoryInRoot()
{
    KUrl url( "trash:/0-trashDirFromHome" );
    KIO::UDSEntry entry;
    bool ok = MyNetAccess_stat( url, entry );
    QVERIFY( ok );
    KFileItem item( entry, url );
    QVERIFY( item.isDir() );
    QVERIFY( !item.isLink() );
    QVERIFY( item.isReadable() );
    QVERIFY( !item.isWritable() );
    QVERIFY( !item.isHidden() );
    QCOMPARE(item.text(), QString::fromLatin1("trashDirFromHome"));
}

void TestTrash::statSymlinkInRoot()
{
    KUrl url( "trash:/0-symlinkFromHome" );
    KIO::UDSEntry entry;
    bool ok = MyNetAccess_stat( url, entry );
    QVERIFY( ok );
    KFileItem item( entry, url );
    QVERIFY( item.isLink() );
    QCOMPARE(item.linkDest(), QString::fromLatin1("/tmp"));
    QVERIFY( item.isReadable() );
    QVERIFY( !item.isWritable() );
    QVERIFY( !item.isHidden() );
    QCOMPARE(item.text(), QString::fromLatin1("symlinkFromHome"));
}

void TestTrash::statFileInDirectory()
{
    KUrl url( "trash:/0-trashDirFromHome/testfile" );
    KIO::UDSEntry entry;
    bool ok = MyNetAccess_stat( url, entry );
    QVERIFY( ok );
    KFileItem item( entry, url );
    QVERIFY( item.isFile() );
    QVERIFY( !item.isLink() );
    QVERIFY( item.isReadable() );
    QVERIFY( !item.isWritable() );
    QVERIFY( !item.isHidden() );
    QCOMPARE(item.text(), QString::fromLatin1("testfile"));
}

void TestTrash::copyFromTrash( const QString& fileId, const QString& destPath, const QString& relativePath )
{
    KUrl src(QString::fromLatin1("trash:/0-") + fileId);
    if ( !relativePath.isEmpty() )
        src.addPath( relativePath );
    KUrl dest;
    dest.setPath( destPath );

    QVERIFY(MyNetAccess_exists(src));

    // A dnd would use copy(), but we use copyAs to ensure the final filename
    //kDebug() << "copyAs:" << src << " -> " << dest;
    KIO::Job* job = KIO::copyAs( src, dest, KIO::HideProgressInfo );
    bool ok = KIO::NetAccess::synchronousRun( job, 0 );
    QVERIFY( ok );
    QString infoFile( m_trashDir + QString::fromLatin1("/info/") + fileId + QString::fromLatin1(".trashinfo") );
    QVERIFY( QFile::exists(infoFile) );

    QFileInfo filesItem( m_trashDir + QString::fromLatin1("/files/") + fileId );
    QVERIFY( filesItem.exists() );

    QVERIFY( QFileInfo(destPath).exists() );
}

void TestTrash::copyFileFromTrash()
{
// To test case of already-existing destination, uncomment this.
// This brings up the "rename" dialog though, so it can't be fully automated
#if 0
    const QString destPath = otherTmpDir() + QString::fromLatin1("fileFromHome_copied");
    copyFromTrash( "fileFromHome", destPath );
    QVERIFY( QFileInfo( destPath ).isFile() );
    QVERIFY( QFileInfo( destPath ).size() == 12 );
#endif
}

void TestTrash::copyFileInDirectoryFromTrash()
{
    const QString destPath = otherTmpDir() + QString::fromLatin1("testfile_copied");
    copyFromTrash(QString::fromLatin1("trashDirFromHome"), destPath, QString::fromLatin1("testfile"));
    QVERIFY( QFileInfo( destPath ).isFile() );
    QVERIFY( QFileInfo( destPath ).size() == 12 );
}

void TestTrash::copyDirectoryFromTrash()
{
    const QString destPath = otherTmpDir() + QString::fromLatin1("trashDirFromHome_copied");
    copyFromTrash(QString::fromLatin1("trashDirFromHome"), destPath);
    QVERIFY( QFileInfo( destPath ).isDir() );
    QVERIFY(QFile::exists(destPath + "/testfile"));
    QVERIFY(QFile::exists(destPath + "/subdir/subfile"));
}

void TestTrash::copySymlinkFromTrash()
{
    const QString destPath = otherTmpDir() + QString::fromLatin1("symlinkFromHome_copied");
    copyFromTrash(QString::fromLatin1("symlinkFromHome"), destPath);
    QVERIFY( QFileInfo( destPath ).isSymLink() );
}

void TestTrash::moveFromTrash( const QString& fileId, const QString& destPath, const QString& relativePath )
{
    KUrl src( QString::fromLatin1("trash:/0-") + fileId );
    if ( !relativePath.isEmpty() )
        src.addPath( relativePath );
    KUrl dest;
    dest.setPath( destPath );

    QVERIFY(MyNetAccess_exists(src));

    // A dnd would use move(), but we use moveAs to ensure the final filename
    KIO::Job* job = KIO::moveAs( src, dest, KIO::HideProgressInfo );
    bool ok = KIO::NetAccess::synchronousRun( job, 0 );
    QVERIFY( ok );
    QString infoFile( m_trashDir + "/info/" + fileId + ".trashinfo" );
    QVERIFY( !QFile::exists( infoFile ) );

    QFileInfo filesItem( m_trashDir + "/files/" + fileId );
    QVERIFY( !filesItem.exists() );

    QVERIFY( QFileInfo( destPath ).exists() );
}

void TestTrash::moveFileFromTrash()
{
    const QString destPath = otherTmpDir() + "fileFromHome_restored";
    moveFromTrash( "fileFromHome", destPath );
    QVERIFY( QFileInfo( destPath ).isFile() );
    QVERIFY( QFileInfo( destPath ).size() == 12 );

    // trash it again for later
    const QString fileName = "fileFromHome";
    trashFile( homeTmpDir() + fileName, fileName );
}

void TestTrash::moveFileInDirectoryFromTrash()
{
    const QString destPath = otherTmpDir() + "testfile_restored";
    copyFromTrash( "trashDirFromHome", destPath, "testfile" );
    QVERIFY( QFileInfo( destPath ).isFile() );
    QVERIFY( QFileInfo( destPath ).size() == 12 );
}

void TestTrash::moveDirectoryFromTrash()
{
    const QString destPath = otherTmpDir() + "trashDirFromHome_restored";
    moveFromTrash( "trashDirFromHome", destPath );
    QVERIFY( QFileInfo( destPath ).isDir() );

    // trash it again, we'll need it later
    QString dirName = "trashDirFromHome";
    trashDirectory( homeTmpDir() + dirName, dirName );
}

void TestTrash::trashDirectoryOwnedByRoot()
{
    KUrl u;
    if ( QDir( "/etc/cups" ).exists() )
        u.setPath( "/etc/cups" );
    else if ( QDir( "/boot" ).exists() )
        u.setPath( "/boot" );
    else
        u.setPath( "/etc" );
    const QString fileId = u.path();
    kDebug() << "fileId=" << fileId;

    KIO::CopyJob* job = KIO::move( u, KUrl("trash:/"), KIO::HideProgressInfo );
    job->setUiDelegate(0); // no skip dialog, thanks
    QMap<QString, QString> metaData;
    bool ok = KIO::NetAccess::synchronousRun( job, 0, 0, 0, &metaData );
    QVERIFY( !ok );
    const int err = KIO::NetAccess::lastError();
    QVERIFY( err == KIO::ERR_ACCESS_DENIED
            || err == KIO::ERR_CANNOT_OPEN_FOR_READING );

    const QString infoPath( m_trashDir + "/info/" + fileId + ".trashinfo" );
    QVERIFY( !QFile::exists( infoPath ) );

    QFileInfo files( m_trashDir + "/files/" + fileId );
    QVERIFY( !files.exists() );

    QVERIFY( QDir( u.path() ).exists() );
}

void TestTrash::moveSymlinkFromTrash()
{
    const QString destPath = otherTmpDir() + "symlinkFromHome_restored";
    moveFromTrash( "symlinkFromHome", destPath );
    QVERIFY( QFileInfo( destPath ).isSymLink() );
}

void TestTrash::getFile()
{
    const QString fileId = "fileFromHome 1";
    const KUrl url = TrashImpl::makeURL( 0, fileId, QString() );

    KTemporaryFile tmpFile;
    QVERIFY(tmpFile.open());
    const QString tmpFilePath = tmpFile.fileName();

    KIO::Job* getJob = KIO::file_copy(url, KUrl(tmpFilePath), -1, KIO::Overwrite | KIO::HideProgressInfo);
    bool ok = KIO::NetAccess::synchronousRun(getJob, 0);
    if (!ok) {
        kDebug() << getJob->errorString();
    }
    QVERIFY( ok );
    // Don't use tmpFile.close()+tmpFile.open() here, the size would still be 0 in the QTemporaryFile object
    // (due to the use of fstat on the old fd). Arguably a bug (I even have a testcase), but probably
    // not fixable without breaking the security of QTemporaryFile...
    QFile reader(tmpFilePath);
    QVERIFY(reader.open(QIODevice::ReadOnly));
    QByteArray str = reader.readAll();
    QCOMPARE(str, QByteArray("Hello world\n"));
}

void TestTrash::restoreFile()
{
    const QString fileId = "fileFromHome 1";
    const KUrl url = TrashImpl::makeURL( 0, fileId, QString() );
    const QString infoFile( m_trashDir + "/info/" + fileId + ".trashinfo" );
    const QString filesItem( m_trashDir + "/files/" + fileId );

    QVERIFY( QFile::exists( infoFile ) );
    QVERIFY( QFile::exists( filesItem ) );

    QByteArray packedArgs;
    QDataStream stream( &packedArgs, QIODevice::WriteOnly );
    stream << (int)3 << url;
    KIO::Job* job = KIO::special( url, packedArgs, KIO::HideProgressInfo );
    bool ok = KIO::NetAccess::synchronousRun( job, 0 );
    QVERIFY( ok );

    QVERIFY( !QFile::exists( infoFile ) );
    QVERIFY( !QFile::exists( filesItem ) );

    const QString destPath = homeTmpDir() + "fileFromHome";
    QVERIFY( QFile::exists( destPath ) );
}

void TestTrash::restoreFileFromSubDir()
{
    const QString fileId = "trashDirFromHome 1/testfile";
    QVERIFY( !QFile::exists( homeTmpDir() + "trashDirFromHome 1" ) );

    const KUrl url = TrashImpl::makeURL( 0, fileId, QString() );
    const QString infoFile( m_trashDir + "/info/trashDirFromHome 1.trashinfo" );
    const QString filesItem( m_trashDir + "/files/trashDirFromHome 1/testfile" );

    QVERIFY( QFile::exists( infoFile ) );
    QVERIFY( QFile::exists( filesItem ) );

    QByteArray packedArgs;
    QDataStream stream( &packedArgs, QIODevice::WriteOnly );
    stream << (int)3 << url;
    KIO::Job* job = KIO::special( url, packedArgs, KIO::HideProgressInfo );
    bool ok = KIO::NetAccess::synchronousRun( job, 0 );
    QVERIFY( !ok );
    // dest dir doesn't exist -> error message
    QVERIFY( KIO::NetAccess::lastError() == KIO::ERR_SLAVE_DEFINED );

    // check that nothing happened
    QVERIFY( QFile::exists( infoFile ) );
    QVERIFY( QFile::exists( filesItem ) );
    QVERIFY( !QFile::exists( homeTmpDir() + "trashDirFromHome 1" ) );
}

void TestTrash::restoreFileToDeletedDirectory()
{
    // Ensure we'll get "fileFromHome" as fileId
    removeFile( m_trashDir, "/info/fileFromHome.trashinfo" );
    removeFile( m_trashDir, "/files/fileFromHome" );
    trashFileFromHome();
    // Delete orig dir
    KIO::Job* delJob = KIO::del(KUrl(homeTmpDir()), KIO::HideProgressInfo);
    bool delOK = KIO::NetAccess::synchronousRun(delJob, 0);
    QVERIFY( delOK );

    const QString fileId = "fileFromHome";
    const KUrl url = TrashImpl::makeURL( 0, fileId, QString() );
    const QString infoFile( m_trashDir + "/info/" + fileId + ".trashinfo" );
    const QString filesItem( m_trashDir + "/files/" + fileId );

    QVERIFY( QFile::exists( infoFile ) );
    QVERIFY( QFile::exists( filesItem ) );

    QByteArray packedArgs;
    QDataStream stream( &packedArgs, QIODevice::WriteOnly );
    stream << (int)3 << url;
    KIO::Job* job = KIO::special( url, packedArgs, KIO::HideProgressInfo );
    bool ok = KIO::NetAccess::synchronousRun( job, 0 );
    QVERIFY( !ok );
    // dest dir doesn't exist -> error message
    QVERIFY( KIO::NetAccess::lastError() == KIO::ERR_SLAVE_DEFINED );

    // check that nothing happened
    QVERIFY( QFile::exists( infoFile ) );
    QVERIFY( QFile::exists( filesItem ) );

    const QString destPath = homeTmpDir() + "fileFromHome";
    QVERIFY( !QFile::exists( destPath ) );
}

void TestTrash::listRootDir()
{
    m_entryCount = 0;
    m_listResult.clear();
    m_displayNameListResult.clear();
    KIO::ListJob* job = KIO::listDir( KUrl("trash:/"), KIO::HideProgressInfo );
    connect( job, SIGNAL( entries( KIO::Job*, const KIO::UDSEntryList& ) ),
             SLOT( slotEntries( KIO::Job*, const KIO::UDSEntryList& ) ) );
    bool ok = KIO::NetAccess::synchronousRun( job, 0 );
    QVERIFY( ok );
    kDebug() << "listDir done - m_entryCount=" << m_entryCount;
    QVERIFY( m_entryCount > 1 );

    //kDebug() << m_listResult;
    //kDebug() << m_displayNameListResult;
    QCOMPARE(m_listResult.count( "." ), 1); // found it, and only once
    QCOMPARE(m_displayNameListResult.count( "fileFromHome" ), 1);
    QCOMPARE(m_displayNameListResult.count( "fileFromHome 1" ), 1);
}

void TestTrash::listRecursiveRootDir()
{
    m_entryCount = 0;
    m_listResult.clear();
    m_displayNameListResult.clear();
    KIO::ListJob* job = KIO::listRecursive( KUrl("trash:/"), KIO::HideProgressInfo );
    connect( job, SIGNAL( entries( KIO::Job*, const KIO::UDSEntryList& ) ),
             SLOT( slotEntries( KIO::Job*, const KIO::UDSEntryList& ) ) );
    bool ok = KIO::NetAccess::synchronousRun( job, 0 );
    QVERIFY( ok );
    kDebug() << "listDir done - m_entryCount=" << m_entryCount;
    QVERIFY( m_entryCount > 1 );

    kDebug() << m_listResult;
    kDebug() << m_displayNameListResult;
    QCOMPARE(m_listResult.count( "." ), 1); // found it, and only once
    QCOMPARE(m_listResult.count("0-fileFromHome"), 1);
    QCOMPARE(m_listResult.count("0-fileFromHome 1"), 1);
    QCOMPARE(m_listResult.count("0-trashDirFromHome/testfile"), 1);
    QCOMPARE(m_listResult.count("0-readonly/readonly_subdir/testfile_in_subdir"), 1);
    QCOMPARE(m_displayNameListResult.count("fileFromHome"), 1);
    QCOMPARE(m_displayNameListResult.count("fileFromHome 1"), 1);
    QCOMPARE(m_displayNameListResult.count("trashDirFromHome/testfile"), 1);
    QCOMPARE(m_displayNameListResult.count("readonly/readonly_subdir/testfile_in_subdir"), 1);
}

void TestTrash::listSubDir()
{
    m_entryCount = 0;
    m_listResult.clear();
    m_displayNameListResult.clear();
    KIO::ListJob* job = KIO::listDir( KUrl("trash:/0-trashDirFromHome"), KIO::HideProgressInfo );
    connect( job, SIGNAL( entries( KIO::Job*, const KIO::UDSEntryList& ) ),
             SLOT( slotEntries( KIO::Job*, const KIO::UDSEntryList& ) ) );
    bool ok = KIO::NetAccess::synchronousRun( job, 0 );
    QVERIFY( ok );
    kDebug() << "listDir done - m_entryCount=" << m_entryCount;
    QCOMPARE(m_entryCount, 3);

    //kDebug() << m_listResult;
    //kDebug() << m_displayNameListResult;
    QCOMPARE(m_listResult.count( "." ), 1); // found it, and only once
    QCOMPARE(m_listResult.count( "testfile" ), 1); // found it, and only once
    QCOMPARE(m_listResult.count("subdir"), 1);
    QCOMPARE(m_displayNameListResult.count("testfile"), 1);
    QCOMPARE(m_displayNameListResult.count("subdir"), 1);
}

void TestTrash::slotEntries( KIO::Job*, const KIO::UDSEntryList& lst )
{
    for( KIO::UDSEntryList::ConstIterator it = lst.begin(); it != lst.end(); ++it ) {
        const KIO::UDSEntry& entry (*it);
        QString name = entry.stringValue(KIO::UDSEntry::UDS_NAME);
        QString displayName = entry.stringValue(KIO::UDSEntry::UDS_DISPLAY_NAME);
        KUrl url = entry.stringValue( KIO::UDSEntry::UDS_URL );
        kDebug() << "name" << name << "displayName" << displayName << " UDS_URL=" << url;
        if ( !url.isEmpty() ) {
            QVERIFY( url.protocol() == "trash" );
        }
        m_listResult << name;
        m_displayNameListResult << displayName;
    }
    m_entryCount += lst.count();
}

void TestTrash::emptyTrash()
{
    // ## Even though we use a custom XDG_DATA_HOME value, emptying the
    // trash would still empty the other trash directories in other partitions.
    // So we can't activate this test by default.
#if 0

    // To make this test standalone
    trashFileFromHome();

    // #167051: orphaned files
    createTestFile( m_trashDir + "/files/testfile_nometadata" );

    QByteArray packedArgs;
    QDataStream stream( &packedArgs, QIODevice::WriteOnly );
    stream << (int)1;
    KIO::Job* job = KIO::special( KUrl( "trash:/" ), packedArgs, KIO::HideProgressInfo );
    bool ok = KIO::NetAccess::synchronousRun( job, 0 );
    QVERIFY( ok );

    KConfig cfg( "trashrc", KConfig::SimpleConfig );
    QVERIFY( cfg.hasGroup( "Status" ) );
    QVERIFY( cfg.group("Status").readEntry( "Empty", false ) == true );

    QVERIFY( !QFile::exists( m_trashDir + "/files/fileFromHome" ) );
    QVERIFY( !QFile::exists( m_trashDir + "/files/readonly" ) );
    QVERIFY( !QFile::exists( m_trashDir + "/info/readonly.trashinfo" ) );
    QVERIFY(QDir(m_trashDir + "/info").entryList(QDir::NoDotAndDotDot|QDir::AllEntries).isEmpty());
    QVERIFY(QDir(m_trashDir + "/files").entryList(QDir::NoDotAndDotDot|QDir::AllEntries).isEmpty());

#else
    kDebug() << " : SKIPPED";
#endif
}

void TestTrash::testTrashSize()
{
    KIO::DirectorySizeJob* job = KIO::directorySize(KUrl("trash:/"));
    QVERIFY(job->exec());
    QVERIFY(job->totalSize() < 1000000000 /*1GB*/); // #157023
}

static void checkIcon( const KUrl& url, const QString& expectedIcon )
{
    QString icon = KMimeType::iconNameForUrl( url );
    QCOMPARE( icon, expectedIcon );
}

void TestTrash::testIcons()
{
    QCOMPARE(KProtocolInfo::icon("trash"), QString("user-trash-full") ); // #100321
    checkIcon( KUrl("trash:/"), "user-trash-full" ); // #100321
    checkIcon( KUrl("trash:/foo/"), "inode-directory" );
}

QTEST_MAIN(TestTrash) // QT5 TODO: NOGUI

#include "moc_testtrash.cpp"