Begin test suite for data defined composer settings

tests/src/core/CMakeLists.txt

@@ -112,6 +112,7 @@ ADD_QGIS_TEST(composerpicturetest testqgscomposerpicture.cpp)
 ADD_QGIS_TEST(atlascompositiontest testqgsatlascomposition.cpp)
 ADD_QGIS_TEST(composerlabeltest testqgscomposerlabel.cpp)
 ADD_QGIS_TEST(composertabletest testqgscomposertable.cpp)
+ADD_QGIS_TEST(composerddtest testqgscomposerdd.cpp)
 ADD_QGIS_TEST(stylev2test testqgsstylev2.cpp)
 ADD_QGIS_TEST(composerhtmltest testqgscomposerhtml.cpp )
 ADD_QGIS_TEST(rectangletest testqgsrectangle.cpp)

tests/src/core/testqgscomposerdd.cpp

@@ -0,0 +1,140 @@
+/***************************************************************************
+                         testqgscomposertable.cpp
+                         ----------------------
+    begin                : July 2014
+    copyright            : (C) 2014 by Nyall Dawson
+    email                : nyall dot dawson at gmail dot 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 "qgsapplication.h"
+#include "qgscomposition.h"
+#include "qgscomposermap.h"
+#include "qgscomposertexttable.h"
+#include "qgscomposerattributetable.h"
+#include "qgsmaplayerregistry.h"
+#include "qgsmapsettings.h"
+#include "qgsvectorlayer.h"
+#include "qgsvectordataprovider.h"
+#include "qgsfeature.h"
+#include "qgssymbolv2.h"
+#include "qgssinglesymbolrendererv2.h"
+#include "qgsdatadefined.h"
+
+#include <QObject>
+#include <QtTest>
+
+class TestQgsComposerDD: 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 ddEvaluate(); //test setting/evaluating data defined value
+
+  private:
+    QgsComposition* mComposition;
+    QgsMapSettings mMapSettings;
+    QgsVectorLayer* mVectorLayer;
+    QgsComposerMap* mAtlasMap;
+    QgsAtlasComposition* mAtlas;
+    QString mReport;
+};
+
+void TestQgsComposerDD::initTestCase()
+{
+  QgsApplication::init();
+  QgsApplication::initQgis();
+
+  //create maplayers from testdata and add to layer registry
+  QFileInfo vectorFileInfo( QString( TEST_DATA_DIR ) + QDir::separator() +  "france_parts.shp" );
+  mVectorLayer = new QgsVectorLayer( vectorFileInfo.filePath(),
+                                     vectorFileInfo.completeBaseName(),
+                                     "ogr" );
+
+  QgsVectorSimplifyMethod simplifyMethod;
+  simplifyMethod.setSimplifyHints( QgsVectorSimplifyMethod::NoSimplification );
+  mVectorLayer->setSimplifyMethod( simplifyMethod );
+
+  QgsMapLayerRegistry::instance()->addMapLayers( QList<QgsMapLayer*>() << mVectorLayer );
+
+  //create composition with composer map
+  mMapSettings.setLayers( QStringList() << mVectorLayer->id() );
+  mMapSettings.setCrsTransformEnabled( true );
+  mMapSettings.setMapUnits( QGis::Meters );
+
+  // select epsg:2154
+  QgsCoordinateReferenceSystem crs;
+  crs.createFromSrid( 2154 );
+  mMapSettings.setDestinationCrs( crs );
+  mComposition = new QgsComposition( mMapSettings );
+  mComposition->setPaperSize( 297, 210 ); //A4 landscape
+
+  // fix the renderer, fill with green
+  QgsStringMap props;
+  props.insert( "color", "0,127,0" );
+  QgsFillSymbolV2* fillSymbol = QgsFillSymbolV2::createSimple( props );
+  QgsSingleSymbolRendererV2* renderer = new QgsSingleSymbolRendererV2( fillSymbol );
+  mVectorLayer->setRendererV2( renderer );
+
+  // the atlas map
+  mAtlasMap = new QgsComposerMap( mComposition, 20, 20, 130, 130 );
+  mAtlasMap->setFrameEnabled( true );
+  mComposition->addComposerMap( mAtlasMap );
+
+  mAtlas = &mComposition->atlasComposition();
+  mAtlas->setCoverageLayer( mVectorLayer );
+  mAtlas->setEnabled( true );
+  mComposition->setAtlasMode( QgsComposition::ExportAtlas );
+
+  mReport = "<h1>Composer Data Defined Tests</h1>\n";
+
+}
+
+void TestQgsComposerDD::cleanupTestCase()
+{
+    delete mComposition;
+    delete mVectorLayer;
+
+    QString myReportFile = QDir::tempPath() + QDir::separator() + "qgistest.html";
+    QFile myFile( myReportFile );
+    if ( myFile.open( QIODevice::WriteOnly | QIODevice::Append ) )
+    {
+      QTextStream myQTextStream( &myFile );
+      myQTextStream << mReport;
+      myFile.close();
+    }
+}
+
+void TestQgsComposerDD::init()
+{
+}
+
+void TestQgsComposerDD::cleanup()
+{
+}
+
+void TestQgsComposerDD::ddEvaluate()
+{
+  //set a data defined property
+  mAtlasMap->setDataDefinedProperty( QgsComposerItem::PositionY, true, true, QString("20+30"),QString() );
+  //evaluate property
+  mAtlasMap->refreshDataDefinedProperty( QgsComposerItem::PositionY );
+  QCOMPARE( mAtlasMap->pos().y(), 50.0 );
+  mAtlasMap->setDataDefinedProperty( QgsComposerItem::PositionY, false, false, QString(),QString() );
+}
+
+QTEST_MAIN( TestQgsComposerDD )
+#include "moc_testqgscomposerdd.cxx"
+