void TestQgsProject::testPathResolverSvg()
{
QString dataDir( TEST_DATA_DIR ); //defined in CmakeLists.txt
QString layerPath = dataDir + "/points.shp";
QVERIFY( QgsSymbolLayerUtils::svgSymbolNameToPath( QString(), QgsPathResolver() ).isEmpty() );
QVERIFY( QgsSymbolLayerUtils::svgSymbolPathToName( QString(), QgsPathResolver() ).isEmpty() );
// build a project with 3 layers, each having a simple renderer with SVG marker
// - existing SVG file in project dir
// - existing SVG file in QGIS dir
// - non-exsiting SVG file
QTemporaryDir dir;
QVERIFY( dir.isValid() );
// on mac the returned path was not canonical and the resolver failed to convert paths properly
QString dirPath = QFileInfo( dir.path() ).canonicalFilePath();
QString projectFilename = dirPath + "/project.qgs";
QString ourSvgPath = dirPath + "/valid.svg";
QString invalidSvgPath = dirPath + "/invalid.svg";
QFile svgFile( ourSvgPath );
QVERIFY( svgFile.open( QIODevice::WriteOnly ) );
svgFile.write( "<svg/>" ); // not a proper SVG, but good enough for this case
svgFile.close();
QVERIFY( QFileInfo::exists( ourSvgPath ) ); // should exist now
QString librarySvgPath = QgsSymbolLayerUtils::svgSymbolNameToPath( QStringLiteral( "transport/transport_airport.svg" ), QgsPathResolver() );
QCOMPARE( QgsSymbolLayerUtils::svgSymbolPathToName( librarySvgPath, QgsPathResolver() ), QStringLiteral( "transport/transport_airport.svg" ) );
QgsVectorLayer *layer1 = new QgsVectorLayer( layerPath, QStringLiteral( "points 1" ), QStringLiteral( "ogr" ) );
_useRendererWithSvgSymbol( layer1, ourSvgPath );
QgsVectorLayer *layer2 = new QgsVectorLayer( layerPath, QStringLiteral( "points 2" ), QStringLiteral( "ogr" ) );
_useRendererWithSvgSymbol( layer2, invalidSvgPath );
QgsVectorLayer *layer3 = new QgsVectorLayer( layerPath, QStringLiteral( "points 3" ), QStringLiteral( "ogr" ) );
_useRendererWithSvgSymbol( layer3, librarySvgPath );
QVERIFY( layer1->isValid() );
QgsProject project;
project.addMapLayers( QList<QgsMapLayer *>() << layer1 << layer2 << layer3 );
project.write( projectFilename );
// make sure the path resolver works with relative paths (enabled by default)
QCOMPARE( project.pathResolver().readPath( "./a.txt" ), dirPath + "/a.txt" );
QCOMPARE( project.pathResolver().writePath( dirPath + "/a.txt" ), QString( "./a.txt" ) );
// check that the saved paths are relative
// key = layer name, value = svg path
QHash<QString, QString> projectFileSvgPaths = _parseSvgPathsForLayers( projectFilename );
QCOMPARE( projectFileSvgPaths.count(), 3 );
QCOMPARE( projectFileSvgPaths["points 1"], QString( "./valid.svg" ) ); // relative path to project
QCOMPARE( projectFileSvgPaths["points 2"], invalidSvgPath ); // full path to non-existent file (not sure why - but that's how it works now)
QCOMPARE( projectFileSvgPaths["points 3"], QString( "transport/transport_airport.svg" ) ); // relative path to library
// load project again, check that the paths are absolute
QgsProject projectLoaded;
projectLoaded.read( projectFilename );
QString svg1 = _getLayerSvgMarkerPath( projectLoaded, QStringLiteral( "points 1" ) );
QString svg2 = _getLayerSvgMarkerPath( projectLoaded, QStringLiteral( "points 2" ) );
QString svg3 = _getLayerSvgMarkerPath( projectLoaded, QStringLiteral( "points 3" ) );
QCOMPARE( svg1, ourSvgPath );
QCOMPARE( svg2, invalidSvgPath );
QCOMPARE( svg3, librarySvgPath );
//
// now let's use these layers in embedded in another project...
//
QList<QDomNode> brokenNodes;
QgsProject projectMaster;
QVERIFY( projectMaster.createEmbeddedLayer( layer1->id(), projectFilename, brokenNodes ) );
QVERIFY( projectMaster.createEmbeddedLayer( layer2->id(), projectFilename, brokenNodes ) );
QVERIFY( projectMaster.createEmbeddedLayer( layer3->id(), projectFilename, brokenNodes ) );
QString svg1x = _getLayerSvgMarkerPath( projectMaster, QStringLiteral( "points 1" ) );
QString svg2x = _getLayerSvgMarkerPath( projectLoaded, QStringLiteral( "points 2" ) );
QString svg3x = _getLayerSvgMarkerPath( projectLoaded, QStringLiteral( "points 3" ) );
QCOMPARE( svg1x, ourSvgPath );
QCOMPARE( svg2x, invalidSvgPath );
QCOMPARE( svg3x, librarySvgPath );
}
