/*
Gwenview: an image viewer
Copyright 2008 Aurélien Gâteau <agateau@kde.org>

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

This program 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 General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

*/

#include "timeutilstest.moc"

// libc
#include <utime.h>

// KDE
#include <KFileItem>
#include <KTemporaryFile>
#include <qtest_kde.h>

// Local
#include "../lib/timeutils.h"

#include "testutils.h"

QTEST_KDEMAIN(TimeUtilsTest, GUI)

using namespace Gwenview;

static void touchFile(const QString& path)
{
    utime(QFile::encodeName(path).data(), 0);
}

void TimeUtilsTest::testPng()
{
    KUrl url = urlForTestFile("test.png");
    KFileItem item(KFileItem::Unknown, KFileItem::Unknown, url);
    KDateTime dateTime = TimeUtils::dateTimeForFileItem(item);
    QCOMPARE(dateTime, item.time(KFileItem::ModificationTime));
}

void TimeUtilsTest::testJpeg()
{
    KUrl url = urlForTestFile("orient6.jpg");
    KFileItem item(KFileItem::Unknown, KFileItem::Unknown, url);
    KDateTime dateTime = TimeUtils::dateTimeForFileItem(item);

    const KDateTime orient6DateTime = KDateTime::fromString("2003-03-25T02:02:21");
    QVERIFY2(dateTime == orient6DateTime, "This could be caused by not having strigi jpeg analyzer installed (usually in $KDEDIR/lib/strigi/strigiea_jpeg.so)");
}

void TimeUtilsTest::testCache()
{
    KTemporaryFile tempFile;
    QVERIFY(tempFile.open());
    KUrl url = KUrl::fromLocalFile(tempFile.fileName());
    KFileItem item1(KFileItem::Unknown, KFileItem::Unknown, url);
    KDateTime dateTime1 = TimeUtils::dateTimeForFileItem(item1);
    QCOMPARE(dateTime1, item1.time(KFileItem::ModificationTime));

    QTest::qWait(1200);
    touchFile(url.toLocalFile());

    KFileItem item2(KFileItem::Unknown, KFileItem::Unknown, url);
    KDateTime dateTime2 = TimeUtils::dateTimeForFileItem(item2);

    QVERIFY(dateTime1 != dateTime2);

    QCOMPARE(dateTime2, item2.time(KFileItem::ModificationTime));
}
