/tests/src/core/regression992.cpp

/***************************************************************************
     testqgsvectorfilewriter.cpp
     --------------------------------------
    Date                 : Frida  Nov 23  2007
    Copyright            : (C) 2007 by Tim Sutton
    Email                : tim@linfiniti.com
 ***************************************************************************
 *                                                                         *
 *   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.                                   *
 *                                                                         *
 ***************************************************************************/
#include <QtTest>
#include <QObject>
#include <QString>
#include <QStringList>
#include <QObject>
#include <iostream>
#include <QApplication>
#include <QFileInfo>
#include <QDir>
#include <QPainter>
#include <QSettings>
#include <QTime>
#include <QDesktopServices>


//qgis includes...
#include <qgsrasterlayer.h> 
#include <qgsrasterbandstats.h> 
#include <qgsmaplayerregistry.h> 
#include <qgsapplication.h>
#include <qgsmaprenderer.h> 

//qgis unit test includes
#include <qgsrenderchecker.h>


/** \ingroup UnitTests
 * This is a regression test for ticket #992.
 */
class Regression992: public QObject
{
  Q_OBJECT;
  private slots:
    void initTestCase();// will be called before the first testfunction is executed.
    void cleanupTestCase();// will be called after the last testfunction was executed.
    void init(){};// will be called before each testfunction is executed.
    void cleanup(){};// will be called after every testfunction.

    void regression992();
  private:
    bool render(QString theFileName);
    QString mTestDataDir;
    QgsRasterLayer * mpRasterLayer;
    QgsMapRenderer * mpMapRenderer;
    QString mReport;
};

//runs before all tests
void Regression992::initTestCase()
{
  // init QGIS's paths - true means that all path will be inited from prefix
  QString qgisPath = QCoreApplication::applicationDirPath ();
  QgsApplication::setPrefixPath(INSTALL_PREFIX, true);
  QgsApplication::showSettings();
  //create some objects that will be used in all tests...
  //create a raster layer that will be used in all tests...
  mTestDataDir = QString(TEST_DATA_DIR) + QDir::separator(); //defined in CMakeLists.txt
  QString myFileName = mTestDataDir + "rgbwcmyk01_YeGeo.jp2";
  QFileInfo myRasterFileInfo ( myFileName );
  mpRasterLayer = new QgsRasterLayer ( myRasterFileInfo.filePath(),
            myRasterFileInfo.completeBaseName() );
  // Register the layer with the registry
  QgsMapLayerRegistry::instance()->addMapLayer(mpRasterLayer);
  // add the test layer to the maprender
  mpMapRenderer = new QgsMapRenderer();
  QStringList myLayers;
  myLayers << mpRasterLayer->getLayerID();
  mpMapRenderer->setLayerSet(myLayers);
  mReport += "<h1>Regression 992 Test</h1>\n";
  mReport += "<p>See <a href=\"https://trac.osgeo.org/qgis/ticket/992\">"
    "trac ticket 992</a> for more details.</p>";
}
//runs after all tests
void Regression992::cleanupTestCase()
{
  QString myReportFile = QDir::tempPath() + QDir::separator() + "regression992.html";
  QFile myFile ( myReportFile);
  if ( myFile.open ( QIODevice::WriteOnly ) )
  {
    QTextStream myQTextStream ( &myFile );
    myQTextStream << mReport;
    myFile.close();
    QDesktopServices::openUrl("file://"+myReportFile);
  }
}

void Regression992::regression992()
{
  QVERIFY ( mpRasterLayer->isValid() );
  mpMapRenderer->setExtent(mpRasterLayer->extent());
  QString myDataDir (TEST_DATA_DIR); //defined in CmakeLists.txt
  QString myTestDataDir = myDataDir + QDir::separator();
  QgsRenderChecker myChecker;
  myChecker.setExpectedImage ( myTestDataDir + "expected_rgbwcmyk01_YeGeo.jp2.png" );
  myChecker.setMapRenderer ( mpMapRenderer );
  bool myResultFlag = myChecker.runTest("regression992");
  mReport += "\n\n\n" + myChecker.report();
  QVERIFY(myResultFlag);
}

QTEST_MAIN(Regression992)
#include "moc_regression992.cxx"