diff -r c163ef0b758d -r ea59c434026a mpengine/tsrc/unittest_mpsongscanner/src/unittest_mpsongscanner.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mpengine/tsrc/unittest_mpsongscanner/src/unittest_mpsongscanner.cpp	Wed Jun 23 18:10:13 2010 +0300
@@ -0,0 +1,265 @@
+/*
+* 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 MpSongScanner
+*
+*/
+
+#include <QSignalSpy>
+
+#include "stub/inc/mpmpxharvesterframeworkwrapper.h"
+#include "unittest_mpsongscanner.h"
+
+
+// Do this so we can access all member variables.
+#define private public
+#define protected public
+#include "mpsongscanner.h"
+#undef protected
+#undef private
+
+
+/*!
+ Make our test case a stand-alone executable that runs all the test functions.
+ */
+int main(int argc, char *argv[])
+{
+    QApplication app(argc, argv);
+    TestMpSongScanner 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_mpsongscanner.txt";
+
+        return QTest::qExec(&tv, 3, pass);
+    }
+}
+
+TestMpSongScanner::TestMpSongScanner()
+    : mTest( 0 ),
+      mHarvesterWrapper( 0 )
+{
+}
+
+TestMpSongScanner::~TestMpSongScanner()
+{
+    delete mTest;
+    delete mHarvesterWrapper;
+}
+
+/*!
+ Called before the first testfunction is executed.
+ */
+void TestMpSongScanner::initTestCase()
+{
+}
+
+/*!
+ Called after the last testfunction was executed.
+ */
+void TestMpSongScanner::cleanupTestCase()
+{
+}
+
+/*!
+ Called before each testfunction is executed.
+ */
+void TestMpSongScanner::init()
+{
+    qRegisterMetaType<MpxDiskEvents>("MpxDiskEvents");
+    mHarvesterWrapper = new MpMpxHarvesterFrameworkWrapper();
+    mTest = new MpSongScanner( mHarvesterWrapper );
+}
+
+/*!
+ Called after every testfunction.
+ */
+void TestMpSongScanner::cleanup()
+{
+    delete mTest;
+    mTest = 0;
+    delete mHarvesterWrapper;
+    mHarvesterWrapper = 0;
+}
+
+/*!
+ Tests constructor.
+*/
+void TestMpSongScanner::testConstructor()
+{
+    QVERIFY( mTest->mMpxHarvesterWrapper );
+    QVERIFY( !mTest->mScanning );
+    QVERIFY( mTest->mAutomaticScan );
+}
+
+/*!
+ testScan.
+ */
+void TestMpSongScanner::testScan()
+{
+    // Manual Scan
+    mTest->scan( false );
+    QVERIFY( mTest->mScanning );
+    QVERIFY( !mTest->mAutomaticScan );
+    QVERIFY( mTest->mMpxHarvesterWrapper->mScanRequested );
+
+    // Automatic Scan
+    cleanup();
+    init();
+    mTest->scan( true );
+    QVERIFY( mTest->mScanning );
+    QVERIFY( mTest->mAutomaticScan );
+    QVERIFY( mTest->mMpxHarvesterWrapper->mScanRequested );
+}
+
+/*!
+ testIsAutomaticScan.
+ */
+void TestMpSongScanner::testIsAutomaticScan()
+{
+    mTest->mAutomaticScan = true;
+    QVERIFY( mTest->isAutomaticScan() );
+    mTest->mAutomaticScan = false;
+    QVERIFY( !mTest->isAutomaticScan() );
+}
+
+/*!
+ testCancelScan
+ */
+void TestMpSongScanner::testCancelScan( )
+{
+    mTest->scan( true );
+    mTest->cancelScan();
+    QVERIFY( !mTest->mScanning );
+    QVERIFY( !mTest->mMpxHarvesterWrapper->mScanRequested );
+}
+
+/*!
+ testScanStartedSignal
+ */
+void TestMpSongScanner::testScanStartedSignal( )
+{
+    QSignalSpy spy( mTest, SIGNAL( scanStarted() ) );
+    mTest->scan( true );
+    mTest->mMpxHarvesterWrapper->emitScanStarted();
+    QTest::qWait(500);
+    QCOMPARE( spy.count(), 1 );
+}
+
+/*!
+ testHandleScanEnded
+ */
+void TestMpSongScanner::testHandleScanEnded( )
+{
+    int itemsAdded( -1 );
+    int error( KErrNone );
+
+    // Scand endend with error KErrDiskFull 1/4
+    {
+    QSignalSpy spyScanFinished( mTest, SIGNAL( scanFinished( int, int ) ) );
+    itemsAdded = 10;
+    error = KErrDiskFull;
+    mTest->scan( true );
+    mTest->mMpxHarvesterWrapper->emitScanEnded( itemsAdded, error );
+    QTest::qWait(500);
+    QCOMPARE( spyScanFinished.count(), 1 );
+    QCOMPARE( spyScanFinished.at(0).at(0), QVariant( MpSongScanner::ScanErrorDiskFull ) );
+    QCOMPARE( spyScanFinished.at(0).at(1), QVariant( 0 ) );
+    QVERIFY( !mTest->mScanning );
+    }
+
+    // Any other error 2/4
+    {
+    cleanup();
+    init();
+    QSignalSpy spyScanFinished( mTest, SIGNAL( scanFinished( int, int ) ) );
+    itemsAdded = 10;
+    error = KErrUnknown;
+    mTest->scan( true );
+    mTest->mMpxHarvesterWrapper->emitScanEnded( itemsAdded, error );
+    QTest::qWait(500);
+    QCOMPARE( spyScanFinished.count(), 1 );
+    QCOMPARE( spyScanFinished.at(0).at(0), QVariant( MpSongScanner::ScanGeneralError ) );
+    QCOMPARE( spyScanFinished.at(0).at(1), QVariant( itemsAdded ) );
+    QVERIFY( !mTest->mScanning );
+    }
+
+    // Normal scan finish (No error, no cancel) 3/4
+    {
+    cleanup();
+    init();
+    QSignalSpy spyScanFinished( mTest, SIGNAL( scanFinished( int, int ) ) );
+    itemsAdded = 20;
+    error = KErrNone;
+    mTest->scan( true );
+    mTest->mMpxHarvesterWrapper->emitScanEnded( itemsAdded, error );
+    QTest::qWait(500);
+    QCOMPARE( spyScanFinished.count(), 1 );
+    QCOMPARE( spyScanFinished.at(0).at(0), QVariant( MpSongScanner::ScanErrorNone ) );
+    QCOMPARE( spyScanFinished.at(0).at(1), QVariant( itemsAdded ) );
+    QVERIFY( !mTest->mScanning );
+    }
+
+    // Scan canceled 4/4
+    {
+    cleanup();
+    init();
+    QSignalSpy spyScanFinished( mTest, SIGNAL( scanFinished( int, int ) ) );
+    itemsAdded = 20;
+    error = KErrNone;
+    mTest->scan( true );
+    mTest->cancelScan();
+    mTest->mMpxHarvesterWrapper->emitScanEnded( itemsAdded, error );
+    QTest::qWait(500);
+    QCOMPARE( spyScanFinished.count(), 1 );
+    QCOMPARE( spyScanFinished.at(0).at(0), QVariant( MpSongScanner::ScanGeneralError ) );
+    QCOMPARE( spyScanFinished.at(0).at(1), QVariant( itemsAdded ) );
+    QVERIFY( !mTest->mScanning );
+    }
+}
+
+/*!
+ testScanCountChangedSignal
+ */
+void TestMpSongScanner::testScanCountChangedSignal()
+{
+    int itemsAdded = 15;
+    QSignalSpy spy( mTest, SIGNAL( scanCountChanged( int ) ) );
+    mTest->scan( true );
+    mTest->mMpxHarvesterWrapper->emitScanCountChanged( itemsAdded );
+    QTest::qWait(500);
+    QCOMPARE( spy.count(), 1 );
+    QCOMPARE( spy.at(0).at(0), QVariant( itemsAdded ) );
+}
+
+/*!
+ testHandleDiskEvent
+ */
+void TestMpSongScanner::testHandleDiskEvent()
+{
+    QSignalSpy spyScanFinished( mTest, SIGNAL( scanFinished( int, int ) ) );
+    mTest->scan( true );
+    mTest->mMpxHarvesterWrapper->emitDiskEvent();
+    QTest::qWait(500);
+    QCOMPARE( spyScanFinished.count(), 1 );
+    QCOMPARE( spyScanFinished.at(0).at(0), QVariant( MpSongScanner::ScanInterrupted ) );
+    QCOMPARE( spyScanFinished.at(0).at(1), QVariant( 0 ) );
+    QVERIFY( !mTest->mScanning );
+}
+
+//end of file