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** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
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** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
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** Please review the following information to ensure the GNU Lesser General
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#include "extractarchiveoperationtest.h"
#include "extractarchiveoperation.h"

#include <QDir>
#include <QDirIterator>
#include <QFileInfo>
#include <QStack>

#include <KDUpdater/Application>

#include "init.h"

ExtractArchiveOperationTest::ExtractArchiveOperationTest()
{
    QInstaller::init();
}

void ExtractArchiveOperationTest::init( const QString& outdir ) {
    if ( QDir( outdir ).exists() ) {
        QFAIL( "output directory already exists!" );
        QVERIFY( false );
    }
    QDir cd( QDir::current() );
    QVERIFY( cd.mkdir( outdir ) );
}

static bool recursiveRemove( const QString& path, QString* errorMsg ) {
    if ( errorMsg )
        errorMsg->clear();
    if ( !QFileInfo( path ).exists() )
        return true;
    bool error = false;
    QString msg;
    //first, delete all non-dir files
    QDirIterator it( path, QDirIterator::Subdirectories );
    while ( it.hasNext() ) {
        const QString n = it.next();
        if ( !QFileInfo( n ).isDir() ) {
            QFile file( n );
            if ( !file.remove() ) {
                error = true;
                msg = file.errorString();
            }
        }
    }

    QStack<QString> dirs;
    QDirIterator it2( path, QDirIterator::Subdirectories );
    while ( it2.hasNext() ) {
        const QString n = it2.next();
        if ( !n.endsWith( QLatin1String( "/." ) ) && !n.endsWith( QLatin1String( "/.." ) ) )
            dirs.push( n );
    }
    while ( !dirs.isEmpty() ) {
        const QString n = dirs.top();
        dirs.pop();
        if ( !QDir( n ).rmdir( QDir::currentPath() + QLatin1String( "/" ) + n ) ) {
            error = true;
            msg = QObject::tr("Could not remove folder %1").arg( n );
            qDebug() << msg;
        }
    }

    if ( !QDir( path ).rmdir( QDir::currentPath() + QLatin1String( "/" ) + path ) ) {
        error = true;
        msg = QObject::tr("Could not remove folder %1: Unknown error").arg( path );
    }

    if ( errorMsg )
        *errorMsg = msg;
    return !error;
}

void ExtractArchiveOperationTest::cleanup( const QString& dir ) {
    QDir d( dir );
    QString msg;
    const bool removed = recursiveRemove( dir, &msg );
    if ( !removed )
        qCritical() << msg;
    QVERIFY( removed );
}

void ExtractArchiveOperationTest::testExtraction() {
    const QString outdir = QLatin1String("test-extract-out" );
    init( outdir );
    KDUpdater::Application app;
    QInstaller::ExtractArchiveOperation op;
    op.setArguments( QStringList() << QLatin1String("qt-bin-test.7z") << outdir );
    const bool ok = op.performOperation();
    if ( !ok ) {
        qCritical() << "Extraction failed:" << op.errorString();
        QFAIL( "Extraction failed" );
    }
    cleanup( outdir );
}

void ExtractArchiveOperationTest::testExtractionErrors() {
    const QString outdir = QLatin1String("test-extract-out" );
    init( outdir );
    KDUpdater::Application app;
    QInstaller::ExtractArchiveOperation op;
    op.setArguments( QStringList() << QLatin1String("qt-bin-test.7z") << outdir );
    const bool ok = op.performOperation();
    if ( !ok ) {
        qCritical() << "Extraction failed:" << op.errorString();
        QFAIL( "Extraction failed" );
    }
    cleanup( outdir );

}

void ExtractArchiveOperationTest::testInvalidArchive() {
    const QString outdir = QLatin1String("test-extract-out" );
    init( outdir );
    KDUpdater::Application app;
    QInstaller::ExtractArchiveOperation op;
    op.setArguments( QStringList() << QLatin1String("test-noarchive.7z") << outdir );
    const bool ok = op.performOperation();
    if ( ok ) {
        qCritical() << "ExtractArchiveOperation does not report error on extracting invalid archive";
        QFAIL( "Extraction failed" );
    }
    QVERIFY( op.error() != QInstaller::ExtractArchiveOperation::NoError );
    const QString str = op.errorString();
    qDebug() << str;
    QVERIFY( !str.isEmpty() );
    cleanup( outdir );
}

QTEST_MAIN(ExtractArchiveOperationTest)