/*

* 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 mpengine

*

*/

#include <QSignalSpy>

#include <EqualizerConstants.h>

#include "unittest_mpengine.h"

#include "mpmediakeyhandler.h"

#include "mpmpxcollectionviewdefs.h"

#define private public

#include "mpengine.h"

#undef private

// help to test private function 

#include "../../src/mpengine.cpp"

/*!

 Make our test case a stand-alone executable that runs all the test functions.

 */

int main(int argc, char *argv[])

{

    QApplication app(argc, argv);

    TestMpEngine 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_mpengine.txt";

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

    }

}

TestMpEngine::TestMpEngine()

    : mTest(0)

{

}

TestMpEngine::~TestMpEngine()

{

    delete mTest;

}

/*!

 Called before the first testfunction is executed.

 */

void TestMpEngine::initTestCase()

{

}

/*!

 Called after the last testfunction was executed.

 */

void TestMpEngine::cleanupTestCase()

{

    MpEngineFactory::close();

}

/*!

 Called before each testfunction is executed.

 */

void TestMpEngine::init()

{

}

/*!

 Called after every testfunction.

 */

void TestMpEngine::cleanup()

{

}

/*!

 test initialize

 */

void TestMpEngine::testInitialize()

{

    mTest = MpEngineFactory::createIsolatedEngine( MpEngine::StandAlone );

    QVERIFY( mTest->mSongData != 0 );

    QVERIFY( mTest->mMpxHarvesterWrapper != 0 );

    QVERIFY( mTest->mMpxCollectionWrapper != 0 );

    QVERIFY( mTest->mEqualizerWrapper != 0 );

    QVERIFY( mTest->mMpxPlaybackWrapper != 0 );

    QVERIFY( mTest->mAudioEffectsWrapper != 0 );

    mTest = MpEngineFactory::createIsolatedEngine( MpEngine::Fetch );

    QVERIFY( mTest->mMpxHarvesterWrapper != 0 );

    QVERIFY( mTest->mMpxCollectionWrapper != 0 );

    QVERIFY( mTest->mMpxPlaybackWrapper != 0 );

    QVERIFY( mTest->mEqualizerWrapper == 0 );

    QVERIFY( mTest->mAudioEffectsWrapper == 0 );

    mTest = MpEngineFactory::createIsolatedEngine( MpEngine::MediaBrowsing );

    QVERIFY( mTest->mMpxCollectionWrapper != 0 );

    QVERIFY( mTest->mMpxHarvesterWrapper == 0 );

    QVERIFY( mTest->mMpxPlaybackWrapper == 0 );

    QVERIFY( mTest->mEqualizerWrapper == 0 );

    QVERIFY( mTest->mAudioEffectsWrapper == 0 );

    mTest = MpEngineFactory::createIsolatedEngine( MpEngine::Embedded );

    QVERIFY( mTest->mMpxPlaybackWrapper != 0 );

    QVERIFY( mTest->mSongData != 0 );

}

/*!

 test verifyUsbBlocking

 */

void TestMpEngine::testVerifyUsbBlocking() 

{

    bool result;

    QSignalSpy spy( mTest, SIGNAL( unableToCotinueDueUSB() ) );

    mTest->mUsbBlockingState = MpEngine::USB_Connected;

    result = mTest->verifyUsbBlocking( true );    

    QVERIFY( result == true );

    QVERIFY( spy.count() == 1 ); 

    spy.clear();

    mTest->mUsbBlockingState = MpEngine::USB_Connected;

    result = mTest->verifyUsbBlocking( false );

    QVERIFY( result == true );

    QVERIFY( spy.count() == 0 );

    spy.clear();

    mTest->mUsbBlockingState = MpEngine::USB_NotConnected;

    result = mTest->verifyUsbBlocking( true );

    QVERIFY( result == false );

    QVERIFY( spy.count() == 0 );

    spy.clear();

    mTest->mUsbBlockingState = MpEngine::USB_NotConnected;

    result = mTest->verifyUsbBlocking( false );

    QVERIFY( result == false );

    QVERIFY( spy.count() == 0 );

    spy.clear();

    mTest->mUsbBlockingState = MpEngine::USB_Synchronizing;

    result = mTest->verifyUsbBlocking( true );

    QVERIFY( result == false );

    QVERIFY( spy.count() == 0 );

    spy.clear();

    mTest->mUsbBlockingState = MpEngine::USB_Synchronizing;

    result = mTest->verifyUsbBlocking( false );

    QVERIFY( result == false );

    QVERIFY( spy.count() == 0 );

    spy.clear();    

}

/*!

 test songScanner

 */

void TestMpEngine::testSongScanner() 

{

    mTest = MpEngineFactory::createIsolatedEngine( MpEngine::StandAlone );

    QCOMPARE( mTest->mSongScanner, mTest->songScanner() );

}

/*!

 test refreshLibrary

 */

void TestMpEngine::testRefreshLibrary() 

{

    mTest = MpEngineFactory::createIsolatedEngine( MpEngine::StandAlone );

    QSignalSpy spy( mTest, SIGNAL( libraryAboutToUpdate() ) );

    mTest->mUsbBlockingState = MpEngine::USB_Connected;

    QVERIFY( mTest->verifyUsbBlocking() == true );

    mTest->refreshLibrary( true );

    QVERIFY( mTest->mSongScanner == 0 );

    QVERIFY( spy.count() == 0 );

    mTest->mUsbBlockingState = MpEngine::USB_NotConnected;

    QVERIFY( mTest->verifyUsbBlocking() == false );

    mTest->refreshLibrary( true );

    QVERIFY( mTest->mSongScanner != 0 );

    QVERIFY( spy.count() == 1 );

    spy.clear();

    mTest->mUsbBlockingState = MpEngine::USB_Synchronizing;

    QVERIFY( mTest->verifyUsbBlocking() == false );

    mTest->refreshLibrary( true );

    QVERIFY( mTest->mSongScanner != 0 );

    QVERIFY( spy.count() == 1 );

    spy.clear();

}

/*!

 test handleScanStarted 

 */

void TestMpEngine::testHandleScanStarted()

{

    mTest = MpEngineFactory::createIsolatedEngine( MpEngine::StandAlone );

    mTest->handleScanStarted();

    QVERIFY( mTest->mHandleMediaCommands == false );

}

/*!

 test handleScanEnded

 */

void TestMpEngine::testHandleScanEnded() 

{

    mTest = MpEngineFactory::createIsolatedEngine( MpEngine::StandAlone );

    QSignalSpy spy( mTest, SIGNAL( libraryUpdated() ) );

    mTest->handleScanEnded( 0, 0 );

    QVERIFY( mTest->mHandleMediaCommands == true );

    QVERIFY( spy.count() == 1 );

    spy.clear();    

}

/*!

 test handleDiskEvent

 */

void TestMpEngine::testHandleDiskEvent() 

{

    mTest = MpEngineFactory::createIsolatedEngine( MpEngine::StandAlone );

    QSignalSpy spy( mTest, SIGNAL( libraryUpdated() ) );

    QSignalSpy spyTwo( mTest, SIGNAL( libraryAboutToUpdate() ) );

    mTest->handleDiskEvent( DiskFormatStarted );

    QVERIFY( mTest->mHandleMediaCommands == false );

    mTest->handleDiskEvent( DiskFormatEnded );

    QVERIFY( mTest->mHandleMediaCommands == true );

    mTest->mUsbBlockingState = MpEngine::USB_Synchronizing;

    mTest->handleDiskEvent( DiskRemoved );

    QVERIFY( spy.count() == 0 );

    spy.clear();    

    mTest->mUsbBlockingState = MpEngine::USB_NotConnected;

    mTest->handleDiskEvent( DiskRemoved );

    QVERIFY( spy.count() == 1 );

    spy.clear();   

    mTest->mUsbBlockingState = MpEngine::USB_Connected;

    mTest->handleDiskEvent( DiskRemoved );

    QVERIFY( spy.count() == 1 );

    spy.clear();   

    mTest->mUsbBlockingState = MpEngine::USB_NotConnected;

    mTest->handleDiskEvent( DiskInserted );

    QVERIFY( mTest->verifyUsbBlocking() == false );

    QVERIFY( spyTwo.count() == 1 );

    spyTwo.clear();   

    mTest->mUsbBlockingState = MpEngine::USB_Connected;

    mTest->handleDiskEvent( DiskInserted );

    QVERIFY( spy.count() == 1 );

    spy.clear();      

}

/*!

 test HandleUsbEvent

 */

void TestMpEngine::testHandleUsbEvent()

{

    // no need to test here 

}

/*!

 test handleUsbMassStorageStartEvent

 */

void TestMpEngine::testHandleUsbMassStorageStartEvent()

{

    mTest = MpEngineFactory::createIsolatedEngine( MpEngine::StandAlone );

    QSignalSpy spy( mTest, SIGNAL( usbBlocked( bool ) ) );

    QSignalSpy spyTwo( mTest, SIGNAL( usbSynchronizationStarted() ) );

    mTest->handleUsbMassStorageStartEvent();

    QVERIFY( mTest->mHandleMediaCommands == false );

    QVERIFY( spy.count() == 1 );

    QList<QVariant> arguments = spy.takeFirst();

    QVERIFY( arguments.at(0).toBool() == true ); 

    QVERIFY( spyTwo.count() == 1 );

}

/*!

 test handleUsbMassStorageEndEvent

 */

void TestMpEngine::testHandleUsbMassStorageEndEvent() 

{

    mTest = MpEngineFactory::createIsolatedEngine( MpEngine::StandAlone );

    QSignalSpy spy( mTest, SIGNAL( usbBlocked( bool ) ) );

    QSignalSpy spyTwo( mTest, SIGNAL( usbSynchronizationFinished() ) );

    mTest->handleUsbMassStorageEndEvent();

    QVERIFY( mTest->mHandleMediaCommands == true );

    QVERIFY( spy.count() == 1 );

    QList<QVariant> arguments = spy.takeFirst();

    QVERIFY(arguments.at(0).toBool() == false ); 

    QVERIFY( spyTwo.count() == 1 );

}

/*!

 test handleUsbMtpStartEvent

 */

void TestMpEngine::testHandleUsbMtpStartEvent() 

{

    mTest = MpEngineFactory::createIsolatedEngine( MpEngine::StandAlone );

    QSignalSpy spy( mTest, SIGNAL( usbBlocked( bool ) ) );

    QSignalSpy spyTwo( mTest, SIGNAL( libraryAboutToUpdate() ) );

    QSignalSpy spyThree( mTest, SIGNAL( usbSynchronizationStarted() ) );

    mTest->handleUsbMtpStartEvent();

    QVERIFY( mTest->mHandleMediaCommands == false );

    QVERIFY( spy.count() == 1 );

    QList<QVariant> arguments = spy.takeFirst();

    QVERIFY( arguments.at(0).toBool() == true ); 

    QVERIFY( spyTwo.count() == 1 );

    QVERIFY( spyThree.count() == 1 );

}

/*!

 test handleUsbMtpEndEvent

 */

void TestMpEngine::testHandleUsbMtpEndEvent() 

{

    mTest = MpEngineFactory::createIsolatedEngine( MpEngine::StandAlone );

    QSignalSpy spy( mTest, SIGNAL( usbBlocked( bool ) ) );

    QSignalSpy spyTwo( mTest, SIGNAL( usbSynchronizationFinished() ) );

    QSignalSpy spyThree( mTest, SIGNAL( libraryUpdated() ) );

    QList<QVariant> arguments;

    mTest->mUsbBlockingState = MpEngine::USB_Synchronizing;

    mTest->handleUsbMtpEndEvent();

    QVERIFY( mTest->mHandleMediaCommands == true );

    QVERIFY( spy.count() == 1 );

    arguments = spy.takeFirst();

    QVERIFY( arguments.at(0).toBool() == false ); 

    QVERIFY( spyTwo.count() == 1 );

    QVERIFY( spyThree.count() == 1 );

    spyTwo.clear();

    spyThree.clear();

    arguments.clear();

    mTest->mPreviousUsbState = MpEngine::USB_NotConnected;

    mTest->handleUsbMtpEndEvent();

    QVERIFY( mTest->mHandleMediaCommands == true );

    QVERIFY( spy.count() == 1 );

    arguments = spy.takeFirst();

    QVERIFY( arguments.at(0).toBool() == false ); 

    QVERIFY( spyTwo.count() == 0 );

    QVERIFY( spyThree.count() == 0 );

    spyTwo.clear();

    spyThree.clear();

    arguments.clear();

    mTest->mPreviousUsbState = MpEngine::USB_Connected;

    mTest->handleUsbMtpEndEvent();

    QVERIFY( mTest->mHandleMediaCommands == true );

    QVERIFY( spy.count() == 1 );

    arguments = spy.takeFirst();

    QVERIFY( arguments.at(0).toBool() == false ); 

    QVERIFY( spyTwo.count() == 0 );

    QVERIFY( spyThree.count() == 0 );

    spyTwo.clear();

    spyThree.clear();

    arguments.clear();

}

/*!

 test handleUsbMtpNotActive

 */

void TestMpEngine::testHandleUsbMtpNotActive() 

{   

    mTest = MpEngineFactory::createIsolatedEngine( MpEngine::StandAlone );

    QSignalSpy spy( mTest, SIGNAL( usbBlocked( bool ) ) );

    mTest->handleUsbMtpNotActive();

    QVERIFY( spy.count() == 1 );

    QList<QVariant> arguments = spy.takeFirst();

    QVERIFY( arguments.at(0).toBool() == true ); 

}

/*!

 test changeUsbBlockingState

 */

void TestMpEngine::testChangeUsbBlockingState()

{

    mTest = MpEngineFactory::createIsolatedEngine( MpEngine::StandAlone );

    MpEngine::UsbBlockingState cState = mTest->mUsbBlockingState;

    mTest->changeUsbBlockingState( MpEngine::USB_Connected );

    QCOMPARE( mTest->mPreviousUsbState, cState );

    QCOMPARE( mTest->mUsbBlockingState, MpEngine::USB_Connected );

}

/*!

 test handleDeleteStarted

 */

void TestMpEngine::testHandleDeleteStarted() 

{

    mTest = MpEngineFactory::createIsolatedEngine( MpEngine::StandAlone );

    qRegisterMetaType<QModelIndex>("TCollectionContext");

    QSignalSpy spy( mTest, SIGNAL( deleteStarted( TCollectionContext, int ) ) );

    TCollectionContext context( ECollectionContextAllSongs );

    mTest->handleDeleteStarted( context, 0 );

    QVERIFY( mTest->mHandleMediaCommands == false );

    QVERIFY( spy.count() == 1 );

}

/*!

 test handleDeleteEnded

 */

void TestMpEngine::testHandleDeleteEnded() 

{

    mTest = MpEngineFactory::createIsolatedEngine( MpEngine::StandAlone );

    QSignalSpy spy( mTest, SIGNAL( songsDeleted( bool ) ) );

    QList<QVariant> arguments;

    mTest->handleDeleteEnded( true );

    QVERIFY( mTest->mHandleMediaCommands == true );

    QVERIFY( spy.count() == 1 );

    arguments = spy.takeFirst();

    QVERIFY( arguments.at(0).toBool() == true ); 

    spy.clear();

    arguments.clear();

    mTest->handleDeleteEnded( false );

    QVERIFY( mTest->mHandleMediaCommands == true );

    QVERIFY( spy.count() == 1 );

    arguments = spy.takeFirst();

    QVERIFY( arguments.at(0).toBool() == false );

    spy.clear();

    arguments.clear();

}

/*!

 test playbackData

 */

void TestMpEngine::testPlaybackData() 

{

    mTest = MpEngineFactory::createIsolatedEngine( MpEngine::StandAlone );

    QVERIFY( mTest->mMpxPlaybackWrapper->mPlaybackData == mTest->playbackData() );

}

/*!

 test songData

 */

void TestMpEngine::testSongData() 

{

    mTest = MpEngineFactory::createIsolatedEngine( MpEngine::StandAlone );

    QVERIFY( mTest->mSongData == mTest->songData() );

}

/*!

 test balance

 */

void TestMpEngine::testBalance() 

{

    mTest = MpEngineFactory::createIsolatedEngine( MpEngine::StandAlone );

    QVERIFY( mTest->mAudioEffectsWrapper->mBalance == mTest->balance() );

}

/*!

 test loudness

 */

void TestMpEngine::testLoudness()

{

    mTest = MpEngineFactory::createIsolatedEngine( MpEngine::StandAlone );

    QVERIFY( mTest->mAudioEffectsWrapper->mLoudness == mTest->loudness() );

}

/*!

 test setBalance

 */

void TestMpEngine::testSetBalance()

{

    // nothing to test here

}

/*!

 test setLoudness

 */

void TestMpEngine::testSetLoudness()

{

    // nothing to test here

}

/*!

 test applyPreset

 */

void TestMpEngine::testApplyPreset()

{

    mTest = MpEngineFactory::createIsolatedEngine( MpEngine::StandAlone );

    mTest->mCurrentPresetIndex = 2;

    mTest->applyPreset( 4 );

    QCOMPARE( mTest->mCurrentPresetIndex, 4 );

}

/*!

 test disableEqualizer

 */

void TestMpEngine::testDisableEqualizer()

{

    mTest = MpEngineFactory::createIsolatedEngine( MpEngine::StandAlone );

    mTest->disableEqualizer();

    QCOMPARE( mTest->mCurrentPresetIndex, KEqualizerPresetNone );