/****************************************************************************
**
** Copyright (C) 2018 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt Creator.
**
** 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
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** 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.
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****************************************************************************/

#include <ssh/sftpsession.h>
#include <ssh/sftptransfer.h>
#include <ssh/sshconnection.h>
#include <ssh/sshremoteprocessrunner.h>
#include <utils/environment.h>
#include <utils/temporarydirectory.h>

#include <QDateTime>
#include <QDir>
#include <QEventLoop>
#include <QStringList>
#include <QTemporaryDir>
#include <QTimer>
#include <QtTest>

#include <cstdlib>

using namespace QSsh;

static QString getHostFromEnvironment()
{
    return QString::fromLocal8Bit(qgetenv("QTC_SSH_TEST_HOST"));
}

static const char *portVar() { return "QTC_SSH_TEST_PORT"; }
static const char *userVar() { return "QTC_SSH_TEST_USER"; }
static const char *keyFileVar() { return "QTC_SSH_TEST_KEYFILE"; }

static quint16 getPortFromEnvironment()
{
    const int port = qEnvironmentVariableIntValue(portVar());
    return port != 0 ? quint16(port) : 22;
}

static QString getUserFromEnvironment()
{
    return QString::fromLocal8Bit(qgetenv(userVar()));
}

static QString getKeyFileFromEnvironment()
{
    return QString::fromLocal8Bit(qgetenv(keyFileVar()));
}

static SshConnectionParameters getParameters()
{
    SshConnectionParameters params;
    params.setHost(getHostFromEnvironment());
    params.setPort(getPortFromEnvironment());
    params.setUserName(getUserFromEnvironment());
    params.timeout = 10;
    params.privateKeyFile = getKeyFileFromEnvironment();
    params.authenticationType = !params.privateKeyFile.isEmpty()
            ? SshConnectionParameters::AuthenticationTypeSpecificKey
            : SshConnectionParameters::AuthenticationTypeAll;
    return params;
}

#define CHECK_PARAMS(params) \
    do { \
        if (params.host().isEmpty()) { \
            QSKIP("No hostname provided. Set QTC_SSH_TEST_HOST."); \
        } \
        if (params.userName().isEmpty()) \
            QSKIP(qPrintable(QString::fromLatin1("No user name provided. Set %1.") \
                .arg(userVar()))); \
        if (params.privateKeyFile.isEmpty()) \
            QSKIP(qPrintable(QString::fromLatin1("No key file provided. Set %1.") \
                .arg(keyFileVar()))); \
    } while (false)

class tst_Ssh : public QObject
{
    Q_OBJECT

private slots:
    void initTestCase();

    void errorHandling_data();
    void errorHandling();
    void pristineConnectionObject();
    void remoteProcess_data();
    void remoteProcess();
    void remoteProcessChannels();
    void remoteProcessInput();
    void sftp();

private:
    bool waitForConnection(SshConnection &connection);
};

void tst_Ssh::initTestCase()
{
    Utils::TemporaryDirectory::setMasterTemporaryDirectory(QDir::tempPath()
                                                           + "/qtc-ssh-autotest-XXXXXX");
}

void tst_Ssh::errorHandling_data()
{
    QTest::addColumn<QString>("host");
    QTest::addColumn<quint16>("port");
    QTest::addColumn<SshConnectionParameters::AuthenticationType>("authType");
    QTest::addColumn<QString>("user");
    QTest::addColumn<QString>("keyFile");

    QTest::newRow("no host")
            << QString("hgdfxgfhgxfhxgfchxgcf") << quint16(12345)
            << SshConnectionParameters::AuthenticationTypeAll  << QString("egal") << QString();
    const QString theHost = getHostFromEnvironment();
    if (theHost.isEmpty())
        return;
    const quint16 thePort = getPortFromEnvironment();
    QTest::newRow("non-existing key file")
            << theHost << thePort << SshConnectionParameters::AuthenticationTypeSpecificKey
            << QString("root") << QString("somefilenamethatwedontexpecttocontainavalidkey");
}

void tst_Ssh::errorHandling()
{
    QFETCH(QString, host);
    QFETCH(quint16, port);
    QFETCH(SshConnectionParameters::AuthenticationType, authType);
    QFETCH(QString, user);
    QFETCH(QString, keyFile);
    SshConnectionParameters params;
    params.setHost(host);
    params.setPort(port);
    params.setUserName(user);
    params.timeout = 3;
    params.authenticationType = authType;
    params.privateKeyFile = keyFile;
    SshConnection connection(params);
    QEventLoop loop;
    bool disconnected = false;
    QString dataReceived;
    QObject::connect(&connection, &SshConnection::connected, &loop, &QEventLoop::quit);
    QObject::connect(&connection, &SshConnection::errorOccurred, &loop, &QEventLoop::quit);
    QObject::connect(&connection, &SshConnection::disconnected,
                     [&disconnected] { disconnected = true; });
    QObject::connect(&connection, &SshConnection::dataAvailable,
                     [&dataReceived](const QString &data) { dataReceived = data; });
    QTimer timer;
    QObject::connect(&timer, &QTimer::timeout, &loop, &QEventLoop::quit);
    timer.setSingleShot(true);
    timer.start((params.timeout + 15) * 1000);
    connection.connectToHost();
    loop.exec();
    QVERIFY(timer.isActive());
    QCOMPARE(connection.state(), SshConnection::Unconnected);
    QVERIFY(!connection.errorString().isEmpty());
    QVERIFY(!disconnected);
    QVERIFY2(dataReceived.isEmpty(), qPrintable(dataReceived));
}

void tst_Ssh::pristineConnectionObject()
{
    QSsh::SshConnection connection((SshConnectionParameters()));
    QCOMPARE(connection.state(), SshConnection::Unconnected);
    QVERIFY(!connection.createRemoteProcess(""));
    QVERIFY(!connection.createSftpSession());
}

void tst_Ssh::remoteProcess_data()
{
    QTest::addColumn<QByteArray>("commandLine");
    QTest::addColumn<bool>("useTerminal");
    QTest::addColumn<bool>("isBlocking");
    QTest::addColumn<bool>("successExpected");
    QTest::addColumn<bool>("stdoutExpected");
    QTest::addColumn<bool>("stderrExpected");

    QTest::newRow("normal command")
            << QByteArray("ls -a /tmp") << false << false << true << true << false;
    QTest::newRow("failing command")
            << QByteArray("top -n 1") << false << false << false << false << true;
    QTest::newRow("blocking command")
            << QByteArray("/bin/sleep 100") << false << true << false << false << false;
    QTest::newRow("terminal command")
            << QByteArray("top -n 1") << true << false << true << true << false;
}

void tst_Ssh::remoteProcess()
{
    const SshConnectionParameters params = getParameters();
    CHECK_PARAMS(params);

    QFETCH(QByteArray, commandLine);
    QFETCH(bool, useTerminal);
    QFETCH(bool, isBlocking);
    QFETCH(bool, successExpected);
    QFETCH(bool, stdoutExpected);
    QFETCH(bool, stderrExpected);

    QByteArray remoteStdout;
    QByteArray remoteStderr;
    SshRemoteProcessRunner runner;
    QEventLoop loop;
    connect(&runner, &SshRemoteProcessRunner::connectionError, &loop, &QEventLoop::quit);
    connect(&runner, &SshRemoteProcessRunner::processStarted, &loop, &QEventLoop::quit);
    connect(&runner, &SshRemoteProcessRunner::processClosed, &loop, &QEventLoop::quit);
    connect(&runner, &SshRemoteProcessRunner::readyReadStandardOutput,
            [&remoteStdout, &runner] { remoteStdout += runner.readAllStandardOutput(); });
    connect(&runner, &SshRemoteProcessRunner::readyReadStandardError,
            [&remoteStderr, &runner] { remoteStderr += runner.readAllStandardError(); });
    if (useTerminal)
        runner.runInTerminal(commandLine, params);
    else
        runner.run(commandLine, params);
    QTimer timer;
    QObject::connect(&timer, &QTimer::timeout, &loop, &QEventLoop::quit);
    timer.setSingleShot(true);
    timer.setInterval((params.timeout + 5) * 1000);
    timer.start();
    loop.exec();
    QVERIFY(timer.isActive());
    timer.stop();
    QVERIFY2(runner.lastConnectionErrorString().isEmpty(),
             qPrintable(runner.lastConnectionErrorString()));
    QVERIFY2(runner.processErrorString().isEmpty(), qPrintable(runner.processErrorString()));
    QVERIFY(runner.isProcessRunning()); // Event loop exit should have been triggered by started().
    QVERIFY2(remoteStdout.isEmpty(), remoteStdout.constData());
    QVERIFY2(remoteStderr.isEmpty(), remoteStderr.constData());

    SshRemoteProcessRunner killer;
    if (isBlocking)
        killer.run("pkill -f -9 \"" + commandLine + '"', params);

    timer.start();
    loop.exec();
    QVERIFY(timer.isActive());
    timer.stop();
    QVERIFY(!runner.isProcessRunning());
    QVERIFY2(runner.lastConnectionErrorString().isEmpty(),
             qPrintable(runner.lastConnectionErrorString()));
    if (isBlocking) {
        QVERIFY(runner.processExitStatus() == SshRemoteProcess::CrashExit
                || runner.processExitCode() != 0);
    } else {
        QCOMPARE(successExpected, runner.processExitCode() == 0);
    }
    QCOMPARE(stdoutExpected, !remoteStdout.isEmpty());
    QCOMPARE(stderrExpected, !remoteStderr.isEmpty());
}

void tst_Ssh::remoteProcessChannels()
{
    const SshConnectionParameters params = getParameters();
    CHECK_PARAMS(params);
    SshConnection connection(params);
    QVERIFY(waitForConnection(connection));

    static const QByteArray testString("ChannelTest");
    QByteArray remoteStdout;
    QByteArray remoteStderr;
    QByteArray remoteData;
    SshRemoteProcessPtr echoProcess
            = connection.createRemoteProcess("printf " + testString + " >&2");
    echoProcess->setReadChannel(QProcess::StandardError);
    QEventLoop loop;
    connect(echoProcess.get(), &SshRemoteProcess::done, &loop, &QEventLoop::quit);
    connect(echoProcess.get(), &QIODevice::readyRead,
            [&remoteData, p = echoProcess.get()] { remoteData += p->readAll(); });
    connect(echoProcess.get(), &SshRemoteProcess::readyReadStandardOutput,
            [&remoteStdout, p = echoProcess.get()] { remoteStdout += p->readAllStandardOutput(); });
    connect(echoProcess.get(), &SshRemoteProcess::readyReadStandardError,
            [&remoteStderr] { remoteStderr = testString; });
    echoProcess->start();
    QTimer timer;
    QObject::connect(&timer, &QTimer::timeout, &loop, &QEventLoop::quit);
    timer.setSingleShot(true);
    timer.setInterval((params.timeout + 5) * 1000);
    timer.start();
    loop.exec();
    QVERIFY(timer.isActive());
    timer.stop();
    QVERIFY(!echoProcess->isRunning());
    QCOMPARE(echoProcess->exitStatus(), QProcess::NormalExit);
    QCOMPARE(echoProcess->exitCode(), 0);
    QVERIFY(remoteStdout.isEmpty());
    QCOMPARE(remoteData, testString);
    QCOMPARE(remoteData, remoteStderr);
}

void tst_Ssh::remoteProcessInput()
{
    const SshConnectionParameters params = getParameters();
    CHECK_PARAMS(params);
    SshConnection connection(params);
    QVERIFY(waitForConnection(connection));

    SshRemoteProcessPtr catProcess
            = connection.createRemoteProcess(QString::fromLatin1("/bin/cat").toUtf8());
    QEventLoop loop;
    connect(catProcess.get(), &SshRemoteProcess::started, &loop, &QEventLoop::quit);
    connect(catProcess.get(), &SshRemoteProcess::done, &loop, &QEventLoop::quit);
    QTimer timer;
    QObject::connect(&timer, &QTimer::timeout, &loop, &QEventLoop::quit);
    timer.setSingleShot(true);
    timer.setInterval((params.timeout + 5) * 1000);
    timer.start();
    catProcess->start();
    loop.exec();
    QVERIFY(timer.isActive());
    timer.stop();
    QVERIFY(catProcess->isRunning());

    static QString testString = "x\r\n";
    connect(catProcess.get(), &QIODevice::readyRead, &loop, &QEventLoop::quit);
    QTextStream stream(catProcess.get());
    stream << testString;
    stream.flush();
    timer.start();
    loop.exec();
    QVERIFY(timer.isActive());
    timer.stop();
    QVERIFY(catProcess->isRunning());

    const QString data = QString::fromUtf8(catProcess->readAll());
    QCOMPARE(data, testString);
    SshRemoteProcessRunner * const killer = new SshRemoteProcessRunner(this);
    killer->run("pkill -9 cat", params);
    timer.start();
    loop.exec();
    QVERIFY(!catProcess->isRunning());
    QVERIFY(catProcess->exitCode() != 0 || catProcess->exitStatus() == QProcess::CrashExit);
}

void tst_Ssh::sftp()
{
    // Connect to server
    const SshConnectionParameters params = getParameters();
    CHECK_PARAMS(params);
    SshConnection connection(params);
    QVERIFY(waitForConnection(connection));

    const SshConnectionInfo connInfo = connection.connectionInfo();
    QVERIFY(connInfo.isValid());
    QCOMPARE(connInfo.peerPort, params.port());

    // Create and upload 1000 small files and one big file
    QTemporaryDir dirForFilesToUpload;
    QTemporaryDir dirForFilesToDownload;
    QVERIFY2(dirForFilesToUpload.isValid(), qPrintable(dirForFilesToUpload.errorString()));
    QVERIFY2(dirForFilesToDownload.isValid(), qPrintable(dirForFilesToDownload.errorString()));
    static const auto getRemoteFilePath = [](const QString &localFileName) {
        return QString("/tmp/").append(localFileName).append(".upload");
    };
    const auto getDownloadFilePath = [&dirForFilesToDownload](const QString &localFileName) {
        return QString(dirForFilesToDownload.path()).append('/').append(localFileName);
    };
    FilesToTransfer filesToUpload;
    std::srand(QDateTime::currentDateTime().toSecsSinceEpoch());
    for (int i = 0; i < 1000; ++i) {
        const QString fileName = "sftptestfile" + QString::number(i + 1);
        QFile file(dirForFilesToUpload.path() + '/' + fileName);
        QVERIFY2(file.open(QIODevice::WriteOnly), qPrintable(file.errorString()));
        int content[1024 / sizeof(int)];
        for (size_t j = 0; j < sizeof content / sizeof content[0]; ++j)
            content[j] = qrand();
        file.write(reinterpret_cast<char *>(content), sizeof content);
        file.close();
        QVERIFY2(file.error() == QFile::NoError, qPrintable(file.errorString()));
        filesToUpload << FileToTransfer(file.fileName(), getRemoteFilePath(fileName));
    }
    const QString bigFileName("sftpbigfile");
    QFile bigFile(dirForFilesToUpload.path() + '/' + bigFileName);
    QVERIFY2(bigFile.open(QIODevice::WriteOnly), qPrintable(bigFile.errorString()));
    const int bigFileSize = 100 * 1024 * 1024;
    const int blockSize = 8192;
    const int blockCount = bigFileSize / blockSize;
    for (int block = 0; block < blockCount; ++block) {
        int content[blockSize / sizeof(int)];
        for (size_t j = 0; j < sizeof content / sizeof content[0]; ++j)
            content[j] = qrand();
        bigFile.write(reinterpret_cast<char *>(content), sizeof content);
    }
    bigFile.close();
    QVERIFY2(bigFile.error() == QFile::NoError, qPrintable(bigFile.errorString()));
    filesToUpload << FileToTransfer(bigFile.fileName(), getRemoteFilePath(bigFileName));

    const SftpTransferPtr upload = connection.createUpload(filesToUpload,
                                                           FileTransferErrorHandling::Abort);
    QString jobError;
    QEventLoop loop;
    connect(upload.get(), &SftpTransfer::done, [&jobError, &loop](const QString &error) {
        jobError = error;
        loop.quit();
    });
    QTimer timer;
    QObject::connect(&timer, &QTimer::timeout, &loop, &QEventLoop::quit);
    timer.setSingleShot(true);
    timer.setInterval((params.timeout + 5) * 1000);
    timer.start();
    upload->start();
    loop.exec();
    QVERIFY(timer.isActive());
    timer.stop();
    QVERIFY2(jobError.isEmpty(), qPrintable(jobError));

    // Establish interactive SFTP session
    SftpSessionPtr sftpChannel = connection.createSftpSession();
    QList<SftpJobId> jobs;
    bool invalidFinishedSignal = false;
    connect(sftpChannel.get(), &SftpSession::started, &loop, &QEventLoop::quit);
    connect(sftpChannel.get(), &SftpSession::done, &loop, &QEventLoop::quit);
    connect(sftpChannel.get(), &SftpSession::commandFinished,
            [&loop, &jobs, &invalidFinishedSignal, &jobError](SftpJobId job, const QString &error) {
        if (!jobs.removeOne(job)) {
            invalidFinishedSignal = true;
            loop.quit();
            return;
        }
        if (!error.isEmpty()) {
            jobError = error;
            loop.quit();
            return;
        }
        if (jobs.empty())
            loop.quit();
    });
    timer.start();
    sftpChannel->start();
    loop.exec();
    QVERIFY(timer.isActive());
    timer.stop();
    QVERIFY(!invalidFinishedSignal);
    QCOMPARE(sftpChannel->state(), SftpSession::State::Running);

    // Download the uploaded files to a different location
    const QStringList allUploadedFileNames
            = QDir(dirForFilesToUpload.path()).entryList(QDir::Files);
    QCOMPARE(allUploadedFileNames.size(), 1001);
    for (const QString &fileName : allUploadedFileNames) {
        const QString localFilePath = dirForFilesToUpload.path() + '/' + fileName;
        const QString remoteFilePath = getRemoteFilePath(fileName);
        const QString downloadFilePath = getDownloadFilePath(fileName);
        const SftpJobId downloadJob = sftpChannel->downloadFile(remoteFilePath, downloadFilePath);
        QVERIFY(downloadJob != SftpInvalidJob);
        jobs << downloadJob;
    }
    QCOMPARE(jobs.size(), 1001);
    loop.exec();
    QVERIFY(!invalidFinishedSignal);
    QVERIFY2(jobError.isEmpty(), qPrintable(jobError));
    QCOMPARE(sftpChannel->state(), SftpSession::State::Running);
    QVERIFY(jobs.empty());

    // Compare contents of uploaded and downloaded files
    for (const QString &fileName : allUploadedFileNames) {
        QFile originalFile(dirForFilesToUpload.path() + '/' + fileName);
        QVERIFY2(originalFile.open(QIODevice::ReadOnly), qPrintable(originalFile.errorString()));
        QFile downloadedFile(dirForFilesToDownload.path() + '/' + fileName);
        QVERIFY2(downloadedFile.open(QIODevice::ReadOnly),
                 qPrintable(downloadedFile.errorString()));
        QVERIFY(originalFile.fileName() != downloadedFile.fileName());
        QCOMPARE(originalFile.size(), downloadedFile.size());
        qint64 bytesLeft = originalFile.size();
        while (bytesLeft > 0) {
            const qint64 bytesToRead = qMin(bytesLeft, Q_INT64_C(1024 * 1024));
            const QByteArray origBlock = originalFile.read(bytesToRead);
            const QByteArray copyBlock = downloadedFile.read(bytesToRead);
            QCOMPARE(origBlock.size(), bytesToRead);
            QCOMPARE(origBlock, copyBlock);
            bytesLeft -= bytesToRead;
        }
    }

    // Remove the uploaded files on the remote system
    for (const QString &fileName : allUploadedFileNames) {
        const QString remoteFilePath = getRemoteFilePath(fileName);
        const SftpJobId removeJob = sftpChannel->removeFile(remoteFilePath);
        QVERIFY(removeJob != SftpInvalidJob);
        jobs << removeJob;
    }
    loop.exec();
    QVERIFY(!invalidFinishedSignal);
    QVERIFY2(jobError.isEmpty(), qPrintable(jobError));
    QCOMPARE(sftpChannel->state(), SftpSession::State::Running);
    QVERIFY(jobs.empty());

    // Create a directory on the remote system
    const QString remoteDirPath = "/tmp/sftptest-" + QDateTime::currentDateTime().toString();
    const SftpJobId mkdirJob = sftpChannel->createDirectory(remoteDirPath);
    QVERIFY(mkdirJob != SftpInvalidJob);
    jobs << mkdirJob;
    loop.exec();
    QVERIFY(!invalidFinishedSignal);
    QVERIFY2(jobError.isEmpty(), qPrintable(jobError));
    QCOMPARE(sftpChannel->state(), SftpSession::State::Running);
    QVERIFY(jobs.empty());

    // Retrieve and check the attributes of the remote directory
    QList<SftpFileInfo> remoteFileInfo;
    const auto fileInfoHandler
            = [&remoteFileInfo](SftpJobId, const QList<SftpFileInfo> &fileInfoList) {
        remoteFileInfo << fileInfoList;
    };
    connect(sftpChannel.get(), &SftpSession::fileInfoAvailable, fileInfoHandler);
    const SftpJobId statDirJob = sftpChannel->ls(remoteDirPath + "/..");
    QVERIFY(statDirJob != SftpInvalidJob);
    jobs << statDirJob;
    loop.exec();
    QVERIFY(!invalidFinishedSignal);
    QVERIFY2(jobError.isEmpty(), qPrintable(jobError));
    QCOMPARE(sftpChannel->state(), SftpSession::State::Running);
    QVERIFY(jobs.empty());
    QVERIFY(!remoteFileInfo.empty());
    SftpFileInfo remoteDirInfo;
    for (const SftpFileInfo &fi : qAsConst(remoteFileInfo)) {
        if (fi.name == QFileInfo(remoteDirPath).fileName()) {
            remoteDirInfo = fi;
            break;
        }
    }
    QCOMPARE(remoteDirInfo.type, FileTypeDirectory);
    QCOMPARE(remoteDirInfo.name, QFileInfo(remoteDirPath).fileName());

    // Retrieve and check the contents of the remote directory
    remoteFileInfo.clear();
    const SftpJobId lsDirJob = sftpChannel->ls(remoteDirPath);
    QVERIFY(lsDirJob != SftpInvalidJob);
    jobs << lsDirJob;
    loop.exec();
    QVERIFY(!invalidFinishedSignal);
    QVERIFY2(jobError.isEmpty(), qPrintable(jobError));
    QCOMPARE(sftpChannel->state(), SftpSession::State::Running);
    QVERIFY(jobs.empty());
    QCOMPARE(remoteFileInfo.size(), 0);

    // Remove the remote directory.
    const SftpJobId rmDirJob = sftpChannel->removeDirectory(remoteDirPath);
    QVERIFY(rmDirJob != SftpInvalidJob);
    jobs << rmDirJob;
    loop.exec();
    QVERIFY(!invalidFinishedSignal);
    QVERIFY2(jobError.isEmpty(), qPrintable(jobError));
    QCOMPARE(sftpChannel->state(), SftpSession::State::Running);
    QVERIFY(jobs.empty());

    // Closing down
    sftpChannel->quit();
    QCOMPARE(sftpChannel->state(), SftpSession::State::Closing);
    loop.exec();
    QVERIFY(!invalidFinishedSignal);
    QVERIFY2(jobError.isEmpty(), qPrintable(jobError));
    QCOMPARE(sftpChannel->state(), SftpSession::State::Inactive);
    connect(&connection, &SshConnection::disconnected, &loop, &QEventLoop::quit);
    timer.start();
    connection.disconnectFromHost();
    loop.exec();
    QVERIFY(timer.isActive());
    QCOMPARE(connection.state(), SshConnection::Unconnected);
    QVERIFY2(connection.errorString().isEmpty(), qPrintable(connection.errorString()));
}

bool tst_Ssh::waitForConnection(SshConnection &connection)
{
    QEventLoop loop;
    QObject::connect(&connection, &SshConnection::connected, &loop, &QEventLoop::quit);
    QObject::connect(&connection, &SshConnection::errorOccurred, &loop, &QEventLoop::quit);
    connection.connectToHost();
    loop.exec();
    if (!connection.errorString().isEmpty())
        qDebug() << connection.errorString();
    return connection.state() == SshConnection::Connected && connection.errorString().isEmpty();
}

QTEST_MAIN(tst_Ssh)

#include <tst_ssh.moc>