/*
* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
* All rights reserved.
* This component and the accompanying materials are made available
* under the terms of "Eclipse Public License v1.0"
* which accompanies this distribution, and is available
* at the URL "http://www.eclipse.org/legal/epl-v10.html".
*
* Initial Contributors:
* Nokia Corporation - initial contribution.
*
* Contributors:
*
* Description: Unit test for mpcollectiondatamodel
*
*/

#include <QAbstractItemModel>
#include <QSignalSpy>
#include <QMetaType>
#include <QTranslator>
#include <QLocale>

#include <hbapplication.h>
#include <hbmainwindow.h>
#include <hbicon.h>
#include <hbnamespace.h>

#include "unittest_mpcollectiondatamodel.h"
#include "unittest_helper.h"
#include "stub/inc/mpcollectionalbumartmanager.h"
#include "stub/inc/mpmpxcollectiondata.h"
#include "stub/inc/mpplaybackdata.h"

// Do this so we can access all member variables.
#define private public
#include "mpcollectiondatamodel.h"
#undef private

/*!
 Make our test case a stand-alone executable that runs all the test functions.
 */
int main(int argc, char *argv[])
{
    HbApplication app(argc, argv);
    TestMpCollectionDataModel tv;

    if ( argc > 1 ) {
        return QTest::qExec( &tv, argc, argv);
    }
    else {
        char *pass[3];
        pass[0] = argv[0];
        pass[1] = "-o";
        pass[2] = "c:\\data\\unittest_mpcollectiondatamodel.txt";

        return QTest::qExec(&tv, 3, pass);
    }
}

TestMpCollectionDataModel::TestMpCollectionDataModel()
    : mTest(0),
      mHelper(0),
      mStubData(0),
      mStubPlaybackData(0),
      mMpTranslator(0)
{
}

TestMpCollectionDataModel::~TestMpCollectionDataModel()
{
    delete mTest;
    delete mHelper;
    delete mStubData;
    delete mStubPlaybackData;
    delete mMpTranslator;
}

/*!
 Called before the first testfunction is executed.
 */
void TestMpCollectionDataModel::initTestCase()
{
    QString lang = QLocale::system().name();
    QString path = QString("z:/resource/qt/translations/");
    bool translatorLoaded = false;

    mMpTranslator = new QTranslator(this);
    translatorLoaded = mMpTranslator->load(path + "musicplayer_" + lang);
    if ( translatorLoaded ) {
        qApp->installTranslator(mMpTranslator);
    }

    mStubData = new MpMpxCollectionData();
    mStubPlaybackData = new MpPlaybackData();
    mHelper = new TestHelper();
}

/*!
 Called after the last testfunction was executed.
 */
void TestMpCollectionDataModel::cleanupTestCase()
{
    delete mStubData;
    mStubData = 0;
    delete mStubPlaybackData;
    mStubPlaybackData = 0;
    delete mHelper;
    mHelper = 0;
}

/*!
 Called before each testfunction is executed.
 */
void TestMpCollectionDataModel::init()
{
    mTest = new MpCollectionDataModel(mStubData, mStubPlaybackData);
    MpMpxCollectionData::resetItemDataCounter();
    mTest->mCollectionData->mItemDataReturn = true;
    mTest->mCollectionData->mCollectionTitleReturn = true;
}

/*!
 Called after every testfunction.
 */
void TestMpCollectionDataModel::cleanup()
{
    delete mTest;
    mTest = 0;
}

/*!
 Tests correct cleanup of member variables.
 */
void TestMpCollectionDataModel::testMemberCleanup()
{
    cleanup();
    MpCollectionAlbumArtManager::resetInitCounter();
    int count = MpMpxCollectionData::getInitCounter();
    init();
    cleanup();
    QCOMPARE(MpCollectionAlbumArtManager::getInitCounter(), 0);
    QCOMPARE(MpMpxCollectionData::getInitCounter(), count);
}

/*!
 Tests refreshModel() request.
 */
void TestMpCollectionDataModel::testRefreshModel()
{
    mTest->mCollectionData->mCount = 100;
    mTest->mCollectionData->mContext = ECollectionContextAlbums;
    mTest->refreshModel();
    // Verify that:
    // - It sets correct row count
    QCOMPARE(mTest->mRowCount, 100);
    QCOMPARE(mTest->mAlbumArtManager->mCacheAlbumArtCount, 1);

    mTest->mCollectionData->mCount = 50;
    mTest->mCollectionData->mContext = ECollectionContextArtistAlbums;
    mTest->refreshModel();
    // Verify that:
    // - It sets correct row count
    QCOMPARE(mTest->mRowCount, 50);
    QCOMPARE(mTest->mAlbumArtManager->mCacheAlbumArtCount, 2);
    
    mTest->mCollectionData->mCount = 150;
    mTest->mCollectionData->mContext = ECollectionContextAlbumsMediaWall;
    mTest->refreshModel();
    // Verify that:
    // - It sets correct row count
    QCOMPARE(mTest->mRowCount, 150);
    QCOMPARE(mTest->mAlbumArtManager->mCacheAlbumArtCount, 3);


    mTest->mCollectionData->mCount = 200;
    mTest->mCollectionData->mContext = ECollectionContextAllSongs;
    mTest->refreshModel();
    // Verify that:
    // - It sets correct row count
    // - It shouldn't trigger first screen cache
    QCOMPARE(mTest->mRowCount, 200);
    QCOMPARE(mTest->mAlbumArtManager->mCacheAlbumArtCount, 3);
}

/*!
 Tests collectionData() request.
 */
void TestMpCollectionDataModel::testCollectionData()
{
    QVERIFY(mTest->collectionData() == mStubData);
}

/*!
 Tests data() request for AllSongs context.
 */
void TestMpCollectionDataModel::testDataAllSongs()
{
    mTest->mCollectionData->mCount = 100;
    mTest->mRowCount = 100;
    mTest->mCollectionData->mContext = ECollectionContextAllSongs;

    QModelIndex modelIndex = mHelper->indexFor(1);

    // Qt::DisplayRole
    QVariant data = mTest->data(modelIndex, Qt::DisplayRole);
    QCOMPARE(data.canConvert(QVariant::StringList), true);
    QStringList dataList = data.toStringList();
    QCOMPARE(dataList.count(), 2);
    QCOMPARE(dataList.at(0), QString("Title1"));
    QCOMPARE(dataList.at(1), QString("Artist1"));

    // Qt::DecorationRole
    data = mTest->data(modelIndex, Qt::DecorationRole);
    QCOMPARE(data.isNull(), true);

    // Hb::IndexFeedbackRole
    data = mTest->data(modelIndex, Hb::IndexFeedbackRole);
    QCOMPARE(data.toString(), QString("Title1"));
}

/*!
 Tests data() request for AllSongs context with no data available.
 */
void TestMpCollectionDataModel::testDataAllSongsNoData()
{
    mTest->mCollectionData->mCount = 100;
    mTest->mRowCount = 100;
    mTest->mCollectionData->mItemDataReturn = false;
    mTest->mCollectionData->mContext = ECollectionContextAllSongs;

    QModelIndex modelIndex = mHelper->indexFor(1);

    // Qt::DisplayRole
    QVariant data = mTest->data(modelIndex, Qt::DisplayRole);
    QCOMPARE(data.canConvert(QVariant::StringList), true);
    QStringList dataList = data.toStringList();
    QCOMPARE(dataList.count(), 1);
    QCOMPARE(dataList.at(0), hbTrId("txt_mus_dblist_val_unknown"));

    // Qt::DecorationRole
    data = mTest->data(modelIndex, Qt::DecorationRole);
    QCOMPARE(data.isNull(), true);

    // Hb::IndexFeedbackRole
    data = mTest->data(modelIndex, Hb::IndexFeedbackRole);
    QCOMPARE(data.toString(), QString(""));
}

/*!
 Tests data() request for Artists context.
 */
void TestMpCollectionDataModel::testDataArtists()
{
    mTest->mCollectionData->mCount = 100;
    mTest->mRowCount = 100;
    mTest->mCollectionData->mContext = ECollectionContextArtists;

    QModelIndex modelIndex = mHelper->indexFor(1);

    // Qt::DisplayRole
    QVariant data = mTest->data(modelIndex, Qt::DisplayRole);
    QCOMPARE(data.canConvert(QVariant::StringList), true);
    QStringList dataList = data.toStringList();
    QCOMPARE(dataList.count(), 1);
    QCOMPARE(dataList.at(0), QString("Title1"));

    // Qt::DecorationRole
    data = mTest->data(modelIndex, Qt::DecorationRole);
    QCOMPARE(data.isNull(), true);

    // Hb::IndexFeedbackRole
    data = mTest->data(modelIndex, Hb::IndexFeedbackRole);
    QCOMPARE(data.toString(), QString("Title1"));
}

/*!
 Tests data() request for Artists context with no data available.
 */
void TestMpCollectionDataModel::testDataArtistsNoData()
{
    mTest->mCollectionData->mCount = 100;
    mTest->mRowCount = 100;
    mTest->mCollectionData->mItemDataReturn = false;
    mTest->mCollectionData->mContext = ECollectionContextArtists;

    QModelIndex modelIndex = mHelper->indexFor(1);

    // Qt::DisplayRole
    QVariant data = mTest->data(modelIndex, Qt::DisplayRole);
    QCOMPARE(data.canConvert(QVariant::StringList), true);
    QStringList dataList = data.toStringList();
    QCOMPARE(dataList.count(), 1);
    QCOMPARE(dataList.at(0), hbTrId("txt_mus_other_unknown4"));


    // Qt::DecorationRole
    data = mTest->data(modelIndex, Qt::DecorationRole);
    QCOMPARE(data.isNull(), true);

    // Hb::IndexFeedbackRole
    data = mTest->data(modelIndex, Hb::IndexFeedbackRole);
    QCOMPARE(data.toString(), QString(""));
}

/*!
 Tests data() request for ArtistAlbums context.
 */
void TestMpCollectionDataModel::testDataArtistAlbums()
{
    mTest->mCollectionData->mCount = 100;
    mTest->mRowCount = 100;
    mTest->mCollectionData->mContext = ECollectionContextArtistAlbums;

    QModelIndex modelIndex = mHelper->indexFor(1);

    // Qt::DisplayRole
    QVariant data = mTest->data(modelIndex, Qt::DisplayRole);
    QCOMPARE(data.canConvert(QVariant::StringList), true);
    QStringList dataList = data.toStringList();
    QCOMPARE(dataList.count(), 1);
    QCOMPARE(dataList.at(0), QString("Title1"));

    // Qt::DecorationRole
    QVariant iconData = mTest->data(modelIndex, Qt::DecorationRole);
    QVERIFY(iconData.isValid());

    // Hb::IndexFeedbackRole
    data = mTest->data(modelIndex, Hb::IndexFeedbackRole);
    QCOMPARE(data.toString(), QString("Title1"));
}

/*!
 Tests data() request for ArtistAlbums context with no data available.
 */
void TestMpCollectionDataModel::testDataArtistAlbumsNoData()
{
    mTest->mCollectionData->mCount = 100;
    mTest->mRowCount = 100;
    mTest->mCollectionData->mItemDataReturn = false;
    mTest->mCollectionData->mContext = ECollectionContextArtistAlbums;

    QModelIndex modelIndex = mHelper->indexFor(1);

    // Qt::DisplayRole
    QVariant data = mTest->data(modelIndex, Qt::DisplayRole);
    QCOMPARE(data.canConvert(QVariant::StringList), true);
    QStringList dataList = data.toStringList();
    QCOMPARE(dataList.count(), 1);
    QCOMPARE(dataList.at(0), hbTrId("txt_mus_other_unknown4"));


    // Qt::DecorationRole
    QVariant iconData = mTest->data(modelIndex, Qt::DecorationRole);
    QVERIFY(iconData.isValid());

    // Hb::IndexFeedbackRole
    data = mTest->data(modelIndex, Hb::IndexFeedbackRole);
    QCOMPARE(data.toString(), QString(""));
}

/*!
 Tests data() request for ArtistAlbumsTBone context.
 */
void TestMpCollectionDataModel::testDataArtistAlbumsTBone()
{
    mTest->mCollectionData->mCount = 100;
    mTest->mRowCount = 100;
    mTest->mCollectionData->mContext = ECollectionContextArtistAlbumsTBone;

    QModelIndex modelIndex = mHelper->indexFor(1);

    // Qt::DisplayRole
    QVariant data = mTest->data(modelIndex, Qt::DisplayRole);
    QCOMPARE(data.canConvert(QVariant::StringList), true);
    QStringList dataList = data.toStringList();
    QCOMPARE(dataList.count(), 2);
    QCOMPARE(dataList.at(0), QString("Title1"));
    QCOMPARE(dataList.at(1), QString("CollectionTitle"));

    // Qt::DecorationRole
    QVariant iconData = mTest->data(modelIndex, Qt::DecorationRole);
    QVERIFY(iconData.isValid());
}

/*!
 Tests data() request for ArtistAlbumsTBone context with no data available.
 */
void TestMpCollectionDataModel::testDataArtistAlbumsTBoneNoData()
{
    mTest->mCollectionData->mCount = 100;
    mTest->mRowCount = 100;
    mTest->mCollectionData->mItemDataReturn = false;
    mTest->mCollectionData->mCollectionTitleReturn = false;
    mTest->mCollectionData->mContext = ECollectionContextArtistAlbumsTBone;

    QModelIndex modelIndex = mHelper->indexFor(1);

    // Qt::DisplayRole
    QVariant data = mTest->data(modelIndex, Qt::DisplayRole);
    QCOMPARE(data.canConvert(QVariant::StringList), true);
    QStringList dataList = data.toStringList();
    QCOMPARE(dataList.count(), 2);
    QCOMPARE(dataList.at(0), hbTrId("txt_mus_other_unknown8"));
    QCOMPARE(dataList.at(1), hbTrId("txt_mus_other_unknown5"));

    // Qt::DecorationRole
    QVariant iconData = mTest->data(modelIndex, Qt::DecorationRole);
    QVERIFY(iconData.isValid());
}

/*!
 Tests data() request for ArtistAllSongs context.
 */
void TestMpCollectionDataModel::testDataArtistAllSongs()
{
    mTest->mCollectionData->mCount = 100;
    mTest->mRowCount = 100;
    mTest->mCollectionData->mContext = ECollectionContextArtistAllSongs;

    QModelIndex modelIndex = mHelper->indexFor(1);

    // Qt::DisplayRole
    QVariant data = mTest->data(modelIndex, Qt::DisplayRole);
    QCOMPARE(data.canConvert(QVariant::StringList), true);
    QStringList dataList = data.toStringList();
    QCOMPARE(dataList.count(), 2);
    QCOMPARE(dataList.at(0), QString("Title1"));
    QCOMPARE(dataList.at(1), QString("Album1"));

    // Qt::DecorationRole
    data = mTest->data(modelIndex, Qt::DecorationRole);
    QCOMPARE(data.isNull(), true);

    // Hb::IndexFeedbackRole
    data = mTest->data(modelIndex, Hb::IndexFeedbackRole);
    QCOMPARE(data.toString(), QString("Title1"));
}

/*!
 Tests data() request for ArtistAllSongs context with no data available.
 */
void TestMpCollectionDataModel::testDataArtistAllSongsNoData()
{
    mTest->mCollectionData->mCount = 100;
    mTest->mRowCount = 100;
    mTest->mCollectionData->mContext = ECollectionContextArtistAllSongs;
    mTest->mCollectionData->mItemDataReturn = false;

    QModelIndex modelIndex = mHelper->indexFor(1);

    // Qt::DisplayRole
    QVariant data = mTest->data(modelIndex, Qt::DisplayRole);
    QCOMPARE(data.canConvert(QVariant::StringList), true);
    QStringList dataList = data.toStringList();
    QCOMPARE(dataList.count(), 1);
    QCOMPARE(dataList.at(0), hbTrId("txt_mus_dblist_val_unknown3"));


    // Qt::DecorationRole
    data = mTest->data(modelIndex, Qt::DecorationRole);
    QCOMPARE(data.isNull(), true);

    // Hb::IndexFeedbackRole
    data = mTest->data(modelIndex, Hb::IndexFeedbackRole);
    QCOMPARE(data.toString(), QString(""));
}

/*!
 Tests data() request for Albums context.
 */
void TestMpCollectionDataModel::testDataAlbums()
{
    mTest->mCollectionData->mCount = 100;
    mTest->mRowCount = 100;
    mTest->mCollectionData->mContext = ECollectionContextAlbums;

    QModelIndex modelIndex = mHelper->indexFor(1);

    // Qt::DisplayRole
    QVariant data = mTest->data(modelIndex, Qt::DisplayRole);
    QCOMPARE(data.canConvert(QVariant::StringList), true);
    QStringList dataList = data.toStringList();
    QCOMPARE(dataList.count(), 2);
    QCOMPARE(dataList.at(0), QString("Title1"));
    QCOMPARE(dataList.at(1), QString("Artist1"));

    // Qt::DecorationRole
    QVariant iconData = mTest->data(modelIndex, Qt::DecorationRole);
    QVERIFY(iconData.isValid());

    // Hb::IndexFeedbackRole
    data = mTest->data(modelIndex, Hb::IndexFeedbackRole);
    QCOMPARE(data.toString(), QString("Title1"));
}

/*!
 Tests data() request for Albums context with no data available.
 */
void TestMpCollectionDataModel::testDataAlbumsNoData()
{
    mTest->mCollectionData->mCount = 100;
    mTest->mRowCount = 100;
    mTest->mCollectionData->mContext = ECollectionContextAlbums;
    mTest->mCollectionData->mItemDataReturn = false;

    QModelIndex modelIndex = mHelper->indexFor(1);

    // Qt::DisplayRole
    QVariant data = mTest->data(modelIndex, Qt::DisplayRole);
    QCOMPARE(data.canConvert(QVariant::StringList), true);
    QStringList dataList = data.toStringList();
    QCOMPARE(dataList.count(), 2);
    QCOMPARE(dataList.at(0), hbTrId("txt_mus_dblist_unknown"));
    QCOMPARE(dataList.at(1), hbTrId("txt_mus_dblist_val_unknown2"));

    // Qt::DecorationRole
    QVariant iconData = mTest->data(modelIndex, Qt::DecorationRole);
    QVERIFY(iconData.isValid());

    // Hb::IndexFeedbackRole
    data = mTest->data(modelIndex, Hb::IndexFeedbackRole);
    QCOMPARE(data.toString(), QString(""));
}

/*!
 Tests data() request for AlbumsTBone context.
 */
void TestMpCollectionDataModel::testDataAlbumsTBone()
{
    mTest->mCollectionData->mCount = 100;
    mTest->mRowCount = 100;
    mTest->mCollectionData->mContext = ECollectionContextAlbumsTBone;

    QModelIndex modelIndex = mHelper->indexFor(1);

    // Qt::DisplayRole
    QVariant data = mTest->data(modelIndex, Qt::DisplayRole);
    QCOMPARE(data.canConvert(QVariant::StringList), true);
    QStringList dataList = data.toStringList();
    QCOMPARE(dataList.count(), 2);
    QCOMPARE(dataList.at(0), QString("Title1"));
    QCOMPARE(dataList.at(1), QString("Artist1"));

    // Qt::DecorationRole
    QVariant iconData = mTest->data(modelIndex, Qt::DecorationRole);
    QVERIFY(iconData.isValid());

    // Hb::IndexFeedbackRole
    data = mTest->data(modelIndex, Hb::IndexFeedbackRole);
    QCOMPARE(data.toString(), QString("Title1"));
}

/*!
 Tests data() request for AlbumsTBone context with no data available.
 */
void TestMpCollectionDataModel::testDataAlbumsTBoneNoData()
{
    mTest->mCollectionData->mCount = 100;
    mTest->mRowCount = 100;
    mTest->mCollectionData->mContext = ECollectionContextAlbumsTBone;
    mTest->mCollectionData->mItemDataReturn = false;

    QModelIndex modelIndex = mHelper->indexFor(1);

    // Qt::DisplayRole
    QVariant data = mTest->data(modelIndex, Qt::DisplayRole);
    QCOMPARE(data.canConvert(QVariant::StringList), true);
    QStringList dataList = data.toStringList();
    QCOMPARE(dataList.count(), 2);
    QCOMPARE(dataList.at(0), hbTrId("txt_mus_other_unknown8"));
    QCOMPARE(dataList.at(1), hbTrId("txt_mus_other_unknown5"));

    // Qt::DecorationRole
    QVariant iconData = mTest->data(modelIndex, Qt::DecorationRole);
    QVERIFY(iconData.isValid());

    // Hb::IndexFeedbackRole
    data = mTest->data(modelIndex, Hb::IndexFeedbackRole);
    QCOMPARE(data.toString(), QString(""));
}

/*!
 Tests data() request for Playlists context.
 */
void TestMpCollectionDataModel::testDataPlaylists()
{
    mTest->mCollectionData->mCount = 100;
    mTest->mRowCount = 100;
    mTest->mCollectionData->mContext = ECollectionContextPlaylists;

    QModelIndex modelIndex = mHelper->indexFor(1);

    // Qt::DisplayRole
    QVariant data = mTest->data(modelIndex, Qt::DisplayRole);
    QCOMPARE(data.canConvert(QVariant::StringList), true);
    QStringList dataList = data.toStringList();
    QCOMPARE(dataList.count(), 1);
    QCOMPARE(dataList.at(0), QString("Title1"));

    // Qt::DecorationRole
    data = mTest->data(modelIndex, Qt::DecorationRole);
    QCOMPARE(data.isNull(), true);

    // Hb::IndexFeedbackRole
    data = mTest->data(modelIndex, Hb::IndexFeedbackRole);
    QCOMPARE(data.toString(), QString("Title1"));
}

/*!
 Tests data() request for Playlists context with no data available.
 */
void TestMpCollectionDataModel::testDataPlaylistsNoData()
{
    mTest->mCollectionData->mCount = 100;
    mTest->mRowCount = 100;
    mTest->mCollectionData->mContext = ECollectionContextPlaylists;
    mTest->mCollectionData->mItemDataReturn = false;

    QModelIndex modelIndex = mHelper->indexFor(1);

    // Qt::DisplayRole
    QVariant data = mTest->data(modelIndex, Qt::DisplayRole);
    QCOMPARE(data.canConvert(QVariant::StringList), true);
    QStringList dataList = data.toStringList();
    QCOMPARE(dataList.count(), 0);

    // Hb::IndexFeedbackRole
    data = mTest->data(modelIndex, Hb::IndexFeedbackRole);
    QCOMPARE(data.toString(), QString(""));
}

/*!
 Tests data() request for PlaylistSongs context.
 */
void TestMpCollectionDataModel::testDataPlaylistSongs()
{
    mTest->mCollectionData->mCount = 100;
    mTest->mRowCount = 100;
    mTest->mCollectionData->mContext = ECollectionContextPlaylistSongs;

    QModelIndex modelIndex = mHelper->indexFor(1);

    // Qt::DisplayRole
    QVariant data = mTest->data(modelIndex, Qt::DisplayRole);
    QCOMPARE(data.canConvert(QVariant::StringList), true);
    QStringList dataList = data.toStringList();
    QCOMPARE(dataList.count(), 2);
    QCOMPARE(dataList.at(0), QString("Title1"));
    QCOMPARE(dataList.at(1), QString("Artist1"));

    // Qt::DecorationRole
    data = mTest->data(modelIndex, Qt::DecorationRole);
    QCOMPARE(data.isNull(), true);

    // Hb::IndexFeedbackRole
    data = mTest->data(modelIndex, Hb::IndexFeedbackRole);
    QCOMPARE(data.toString(), QString("Title1"));
}

/*!
 Tests data() request for PlaylistSongs context with no data available.
 */
void TestMpCollectionDataModel::testDataPlaylistSongsNoData()
{
    mTest->mCollectionData->mCount = 100;
    mTest->mRowCount = 100;
    mTest->mCollectionData->mContext = ECollectionContextPlaylistSongs;
    mTest->mCollectionData->mItemDataReturn = false;

    QModelIndex modelIndex = mHelper->indexFor(1);

    // Qt::DisplayRole
    QVariant data = mTest->data(modelIndex, Qt::DisplayRole);
    QCOMPARE(data.canConvert(QVariant::StringList), true);
    QStringList dataList = data.toStringList();
    QCOMPARE(dataList.count(), 1);
    QCOMPARE(dataList.at(0), hbTrId("txt_mus_dblist_val_unknown"));

    // Qt::DecorationRole
    data = mTest->data(modelIndex, Qt::DecorationRole);
    QCOMPARE(data.isNull(), true);

    // Hb::IndexFeedbackRole
    data = mTest->data(modelIndex, Hb::IndexFeedbackRole);
    QCOMPARE(data.toString(), QString(""));
}

/*!
 Tests data() request for a role it doesn't support.
 Make sure it doesn't crash.
 */
void TestMpCollectionDataModel::testDataAnyOtherRole()
{
    mTest->mCollectionData->mCount = 100;
    mTest->mRowCount = 100;

    QModelIndex modelIndex = mHelper->indexFor(1);

    // Qt::DisplayRole
    QVariant data = mTest->data(modelIndex, Qt::EditRole);
    QCOMPARE(data.isValid(), false);
}

/*!
 Tests updateAlbumArt() slot.
 */
void TestMpCollectionDataModel::testUpdateAlbumArt()
{
    connect( this, SIGNAL(updateAlbumArt(int)),
        mTest->mAlbumArtManager, SIGNAL(albumArtReady(int)) );
    qRegisterMetaType<QModelIndex>("QModelIndex");
    QSignalSpy spy(mTest, SIGNAL(dataChanged(const QModelIndex &, const QModelIndex &)));
    mTest->mCollectionData->mCount = 100;
    mTest->mRowCount = 100;

    emit updateAlbumArt(15);
    QCOMPARE(spy.count(), 1);

    disconnect( this, SIGNAL(updateAlbumArt(int)),
        mTest->mAlbumArtManager, SIGNAL(albumArtReady(int)) );
}

/*!
 Tests supportedDropActions()
 */
void TestMpCollectionDataModel::testSupportedDropActions()
{
 QCOMPARE(mTest->supportedDropActions(), Qt::MoveAction);
}

/*!
 Tests removeRows()
 */
void TestMpCollectionDataModel::testRemoveRows()
{
    QSignalSpy spy(mTest, SIGNAL(rowsAboutToBeRemoved(QModelIndex, int, int)));
    QSignalSpy spy2(mTest, SIGNAL(rowsRemoved(QModelIndex, int, int)));
    MpMpxCollectionData::resetItemDataCounter();
    mTest->mCollectionData->mCount = 2;
    mTest->mRowCount = 2;

    QVERIFY(!mTest->removeRows(0,0,QModelIndex())); //no rows to remove.
    QVERIFY(!mTest->removeRows(0,2,QModelIndex())); //more than one row.
    QVERIFY(!mTest->removeRows(2,1,QModelIndex())); //row out of bounds.

    //a valid row to be removed.
    QVERIFY(mTest->removeRows(0,1,QModelIndex()));
    QCOMPARE(spy.count(), 1);
    QCOMPARE(spy2.count(), 1);
    QCOMPARE(MpMpxCollectionData::getremoveItemCounter(), 1);
    QCOMPARE(mTest->mRowCount, 1);

}

/*!
 Tests mimeTypes()
 */
void TestMpCollectionDataModel::testMimeTypes()
{
 QCOMPARE(mTest->mimeTypes().count(), 1);
 QCOMPARE(mTest->mimeTypes().at(0), QLatin1String("application/x-mpcollectiondatamodelrowandids"));
}

/*!
 Tests mimeTypes()
 */
void TestMpCollectionDataModel::testMimeData()
{
    QModelIndexList indexList;
    indexList << mHelper->indexFor(2);
    indexList << mHelper->indexFor(5);
    QVERIFY(!mTest->mimeData(indexList)); //more than one item is not valid
    indexList.removeLast();
    QMimeData *data;
    data = mTest->mimeData(indexList);
    QVERIFY(data); //one item row 2

    QByteArray encoded = data->data(QLatin1String("application/x-mpcollectiondatamodelrowandids"));
    QDataStream stream(&encoded, QIODevice::ReadOnly);
    int rowFrom;
    int mpxContainerId;
    int mpxItemId;
    stream >> rowFrom;
    stream >> mpxContainerId;
    stream >> mpxItemId;
    QCOMPARE(rowFrom,2);
    QCOMPARE(mpxContainerId,65535); //dummy value from the stub collection data stub
    QCOMPARE(mpxItemId,2000+2); //id from collection data stub is index with offset of 2000.
}

/*!
 Tests dropMimeData()
 */
void TestMpCollectionDataModel::testDropMimeData()
{
    int indexFrom = 5;
    int containerId = 123;
    int itemId = 20;

    QSignalSpy spy(mTest, SIGNAL(rowsAboutToBeInserted(QModelIndex, int, int)));
    QSignalSpy spy2(mTest, SIGNAL(rowsInserted(QModelIndex, int, int)));
    QSignalSpy spy3(mTest, SIGNAL(orderChanged(int, int, int, int)));
    MpMpxCollectionData::resetInsertCachedItemCounter();

    {//no data
    MpMpxCollectionData::setCachedItemId(itemId);
    mTest->mRowCount = 10;
    QVERIFY(!mTest->dropMimeData(0,Qt::MoveAction,0,0,QModelIndex()));
    }

    {//drag row out of bounds
    QMimeData *data = new QMimeData();
    QByteArray encoded;
    QDataStream stream(&encoded, QIODevice::WriteOnly);
    stream << 15;
    stream << containerId;
    stream << itemId;
    data->setData(QLatin1String("application/x-mpcollectiondatamodelrowandids"), encoded);
    MpMpxCollectionData::setCachedItemId(itemId);
    mTest->mRowCount = 10;

    QVERIFY(!mTest->dropMimeData(data,Qt::MoveAction,0,0,QModelIndex()));
    delete data;
    }

    {//drop row out of bounds
    QMimeData *data = new QMimeData();
    QByteArray encoded;
    QDataStream stream(&encoded, QIODevice::WriteOnly);
    stream << indexFrom;
    stream << containerId;
    stream << itemId;
    data->setData(QLatin1String("application/x-mpcollectiondatamodelrowandids"), encoded);
    MpMpxCollectionData::setCachedItemId(itemId);
    mTest->mRowCount = 10;

    QVERIFY(!mTest->dropMimeData(data,Qt::MoveAction,15,0,QModelIndex()));
    delete data;
    }

    {//incorrect action
    QMimeData *data = new QMimeData();
    QByteArray encoded;
    QDataStream stream(&encoded, QIODevice::WriteOnly);
    stream << indexFrom;
    stream << containerId;
    stream << itemId;
    data->setData(QLatin1String("application/x-mpcollectiondatamodelrowandids"), encoded);
    MpMpxCollectionData::setCachedItemId(itemId);
    mTest->mRowCount = 10;

    QVERIFY(!mTest->dropMimeData(data,Qt::IgnoreAction,0,0,QModelIndex()));
    delete data;
    }

    {//bad item ids
    QMimeData *data = new QMimeData();
    QByteArray encoded;
    QDataStream stream(&encoded, QIODevice::WriteOnly);
    stream << indexFrom;
    data->setData(QLatin1String("application/x-mpcollectiondatamodelrowandids"), encoded);
    MpMpxCollectionData::setCachedItemId(itemId);
    mTest->mRowCount = 2;
    QVERIFY(!mTest->dropMimeData(data,Qt::MoveAction,0,0,QModelIndex()));
    delete data;
    }

    {//bad item ids 2
    QMimeData *data = new QMimeData();
    QByteArray encoded;
    QDataStream stream(&encoded, QIODevice::WriteOnly);
    stream << indexFrom;
    stream << -1;
    stream << itemId;
    data->setData(QLatin1String("application/x-mpcollectiondatamodelrowandids"), encoded);
    MpMpxCollectionData::setCachedItemId(itemId);
    mTest->mRowCount = 2;
    QVERIFY(!mTest->dropMimeData(data,Qt::MoveAction,0,0,QModelIndex()));
    delete data;
    }

    {//data with bad format
    QMimeData *data = new QMimeData();
    QByteArray encoded;
    QDataStream stream(&encoded, QIODevice::WriteOnly);
    stream << indexFrom;
    stream << containerId;
    stream << itemId;
    data->setData(QLatin1String("application/x-blabla"), encoded);
    MpMpxCollectionData::setCachedItemId(itemId);
    mTest->mRowCount = 10;
    QVERIFY(!mTest->dropMimeData(data,Qt::MoveAction,0,0,QModelIndex()));
    delete data;
    }

    QMimeData *data = new QMimeData();
    QByteArray encoded;
    QDataStream stream(&encoded, QIODevice::WriteOnly);
    stream << indexFrom;
    stream << containerId;
    stream << itemId;
    data->setData(QLatin1String("application/x-mpcollectiondatamodelrowandids"), encoded);
    MpMpxCollectionData::setCachedItemId(0);
    mTest->mRowCount = 10;

    // not matching item id
    QVERIFY(!mTest->dropMimeData(data,Qt::MoveAction,0,0,QModelIndex()));

    //matching item id
    MpMpxCollectionData::setCachedItemId(itemId);


    QVERIFY(mTest->dropMimeData(data,Qt::MoveAction,5,0,QModelIndex()));
    delete data;
    QCOMPARE(spy.count(), 1);
    QCOMPARE(spy2.count(), 1);
    QCOMPARE(spy3.count(), 1);
    QList<QVariant> arguments = spy3.takeFirst();
    QCOMPARE(arguments.at(0).toInt(), containerId);
    QCOMPARE(arguments.at(1).toInt(), itemId);
    QCOMPARE(arguments.at(2).toInt(), indexFrom);
    QCOMPARE(arguments.at(3).toInt(), 5);
    QCOMPARE(MpMpxCollectionData::getInsertCachedItemCounter(),1);
}

/*!
 Tests setContext()
 */
void TestMpCollectionDataModel::testSetContext()
{
    mTest->mCollectionData->setContext(ECollectionContextArtistAlbums);
    QCOMPARE(mTest->mCollectionData->mContext, ECollectionContextArtistAlbums);
    QCOMPARE(mTest->mAlbumIndexOffset, 0);
    QCOMPARE(mTest->mAlbumArtManager->mThumbType, MpCommon::ListThumb);

    mTest->mCollectionData->mCount = 3;
    mTest->mCollectionData->setContext(ECollectionContextArtistAlbumsTBone);
    QCOMPARE(mTest->mCollectionData->mContext, ECollectionContextArtistAlbumsTBone);
    QCOMPARE(mTest->mAlbumIndexOffset, 1);
    QCOMPARE(mTest->mAlbumArtManager->mThumbType, MpCommon::TBoneThumb);

    mTest->mCollectionData->mCount = 1;
    mTest->mCollectionData->setContext(ECollectionContextArtistAlbumsTBone);
    QCOMPARE(mTest->mAlbumIndexOffset, 0);
    QCOMPARE(mTest->mAlbumArtManager->mThumbType, MpCommon::TBoneThumb);

    mTest->mCollectionData->setContext(ECollectionContextAlbums);
    QCOMPARE(mTest->mAlbumIndexOffset, 0);
    QCOMPARE(mTest->mAlbumArtManager->mThumbType, MpCommon::ListThumb);

    mTest->mCollectionData->setContext(ECollectionContextAlbumsTBone);
    QCOMPARE(mTest->mAlbumIndexOffset, 0);
    QCOMPARE(mTest->mAlbumArtManager->mThumbType, MpCommon::TBoneThumb);

    mTest->mCollectionData->setContext(ECollectionContextAlbumsMediaWall);
    QCOMPARE(mTest->mAlbumIndexOffset, 0);
    QCOMPARE(mTest->mAlbumArtManager->mThumbType, MpCommon::MediaWallThumb);

    // All other context should have index set to zero.
    mTest->mCollectionData->setContext(ECollectionContextAllSongs);
    QCOMPARE(mTest->mCollectionData->mContext, ECollectionContextAllSongs);
    QCOMPARE(mTest->mAlbumIndexOffset, 0);
    mTest->mCollectionData->setContext(ECollectionContextArtists);
    QCOMPARE(mTest->mAlbumIndexOffset, 0);
    mTest->mCollectionData->setContext(ECollectionContextArtistAllSongs);
    QCOMPARE(mTest->mAlbumIndexOffset, 0);
    mTest->mCollectionData->setContext(ECollectionContextPlaylists);
    QCOMPARE(mTest->mAlbumIndexOffset, 0);
    mTest->mCollectionData->setContext(ECollectionContextPlaylistSongs);
    QCOMPARE(mTest->mAlbumIndexOffset, 0);
}

/*!
 Tests fileCorrupted()
 */
void TestMpCollectionDataModel::testFileCorrupted()
{
    QSignalSpy spy(mTest, SIGNAL(dataChanged( QModelIndex, QModelIndex )));
    mTest->mRowCount = 4;
    mTest->fileCorrupted(1);
    QCOMPARE(mStubData->mCorruptedIndex.value(0), 1);
    QCOMPARE(mStubData->mCorruptedIndex.value(1), 3);
    QCOMPARE(spy.count(), 2);
    
}

/*!
 Tests setLayout()
 */
void TestMpCollectionDataModel::testSetLayout()
{
    QCOMPARE(mTest->mCollectionLayout, ECollectionListView);
    mTest->setLayout(ECollectionSelectionDialog);
    QCOMPARE(mTest->mCollectionLayout, ECollectionSelectionDialog);
    mTest->setLayout(ECollectionArrangeSongsDialog);
    QCOMPARE(mTest->mCollectionLayout, ECollectionArrangeSongsDialog);
    mTest->setLayout(ECollectionListView);
    QCOMPARE(mTest->mCollectionLayout, ECollectionListView);
}

// End of file