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Add unit test for geometry generator dxf export

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mhugent authored and nyalldawson committed Jun 12, 2018
1 parent bc41e0d commit 1749e5d9c9da8449b7a020d92642570249f4df9e
Showing with 56 additions and 0 deletions.
  1. +56 −0 tests/src/core/testqgsdxfexport.cpp
@@ -17,13 +17,16 @@

#include "qgsapplication.h"
#include "qgsdxfexport.h"
#include "qgsfillsymbollayer.h"
#include "qgsgeometrygeneratorsymbollayer.h"
#include "qgsproject.h"
#include "qgsvectorlayer.h"
#include "qgsfontutils.h"
#include "qgsnullsymbolrenderer.h"
#include "qgstextrenderer.h"
#include "qgspallabeling.h"
#include "qgslabelingengine.h"
#include "qgssinglesymbolrenderer.h"
#include "qgsvectorlayerlabeling.h"
#include <QTemporaryFile>

@@ -45,10 +48,12 @@ class TestQgsDxfExport : public QObject
void testMTextNoSymbology(); //tests if label export works if layer has vector renderer type 'no symbols'
void testMTextEscapeSpaces();
void testText();
void testGeometryGeneratorExport();

private:
QgsVectorLayer *mPointLayer = nullptr;
QgsVectorLayer *mPointLayerNoSymbols = nullptr;
QgsVectorLayer *mPointLayerGeometryGenerator = nullptr;
QgsVectorLayer *mLineLayer = nullptr;
QgsVectorLayer *mPolygonLayer = nullptr;

@@ -77,14 +82,36 @@ void TestQgsDxfExport::cleanupTestCase()
void TestQgsDxfExport::init()
{
QString filename = QStringLiteral( TEST_DATA_DIR ) + "/points.shp";

mPointLayer = new QgsVectorLayer( filename, QStringLiteral( "points" ), QStringLiteral( "ogr" ) );
QVERIFY( mPointLayer->isValid() );
QgsProject::instance()->addMapLayer( mPointLayer );

mPointLayerNoSymbols = new QgsVectorLayer( filename, QStringLiteral( "points" ), QStringLiteral( "ogr" ) );
QVERIFY( mPointLayerNoSymbols->isValid() );
mPointLayerNoSymbols->setRenderer( new QgsNullSymbolRenderer() );
mPointLayerNoSymbols->addExpressionField( QStringLiteral( "'A text with spaces'" ), QgsField( QStringLiteral( "Spacestest" ), QVariant::String ) );
QgsProject::instance()->addMapLayer( mPointLayerNoSymbols );

//Point layer with geometry generator symbolizer
mPointLayerGeometryGenerator = new QgsVectorLayer( filename, QStringLiteral( "points" ), QStringLiteral( "ogr" ) );
QVERIFY( mPointLayerGeometryGenerator );

QgsStringMap ggProps;
ggProps.insert( QStringLiteral( "SymbolType" ), QStringLiteral( "Fill" ) );
ggProps.insert( QStringLiteral( "geometryModifier" ), QStringLiteral( "buffer( $geometry, 0.1 )" ) );
QgsSymbolLayer *ggSymbolLayer = QgsGeometryGeneratorSymbolLayer::create( ggProps );
QgsSymbolLayerList fillSymbolLayerList;
fillSymbolLayerList << new QgsSimpleFillSymbolLayer();
ggSymbolLayer->setSubSymbol( new QgsFillSymbol( fillSymbolLayerList ) );
QgsSymbolLayerList slList;
slList << ggSymbolLayer;
QgsMarkerSymbol *markerSymbol = new QgsMarkerSymbol( slList );
QgsSingleSymbolRenderer *sr = new QgsSingleSymbolRenderer( markerSymbol );
mPointLayerGeometryGenerator->setRenderer( sr );

QgsProject::instance()->addMapLayer( mPointLayerGeometryGenerator );

filename = QStringLiteral( TEST_DATA_DIR ) + "/lines.shp";
mLineLayer = new QgsVectorLayer( filename, QStringLiteral( "lines" ), QStringLiteral( "ogr" ) );
QVERIFY( mLineLayer->isValid() );
@@ -98,6 +125,10 @@ void TestQgsDxfExport::init()
void TestQgsDxfExport::cleanup()
{
QgsProject::instance()->removeMapLayer( mPointLayer->id() );
QgsProject::instance()->removeMapLayer( mPointLayerNoSymbols->id() );
QgsProject::instance()->removeMapLayer( mPointLayerGeometryGenerator->id() );
QgsProject::instance()->removeMapLayer( mLineLayer->id() );
QgsProject::instance()->removeMapLayer( mPolygonLayer->id() );
mPointLayer = nullptr;
}

@@ -362,6 +393,31 @@ bool TestQgsDxfExport::testMtext( QgsVectorLayer *vlayer, const QString &tempFil
" 0" ) );
}

void TestQgsDxfExport::testGeometryGeneratorExport()
{
QgsDxfExport d;
d.addLayers( QList< QgsDxfExport::DxfLayer >() << QgsDxfExport::DxfLayer( mPointLayerGeometryGenerator ) );

QgsMapSettings mapSettings;
QSize size( 640, 480 );
mapSettings.setOutputSize( size );
mapSettings.setExtent( mPointLayerGeometryGenerator->extent() );
mapSettings.setLayers( QList<QgsMapLayer *>() << mPointLayerGeometryGenerator );
mapSettings.setOutputDpi( 96 );
mapSettings.setDestinationCrs( mPointLayerGeometryGenerator->crs() );

d.setMapSettings( mapSettings );
d.setSymbologyScale( 6000000 );
d.setSymbologyExport( QgsDxfExport::FeatureSymbology );

QString file = getTempFileName( "geometry_generator_dxf" );
QFile dxfFile( file );
QCOMPARE( d.writeToFile( &dxfFile, QStringLiteral( "CP1252" ) ), 0 );
dxfFile.close();

QVERIFY( fileContainsText( file, "HATCH" ) );
}

bool TestQgsDxfExport::fileContainsText( const QString &path, const QString &text ) const
{
QStringList searchLines = text.split( '\n' );

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