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testqgsprocessing.cpp
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testqgsprocessing.cpp
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/***************************************************************************
testqgsprocessing.cpp
---------------------
begin : January 2017
copyright : (C) 2017 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 "qgsprocessingregistry.h"
#include "qgsprocessingprovider.h"
#include "qgsprocessingutils.h"
#include "qgsprocessingalgorithm.h"
#include "qgsprocessingcontext.h"
#include "qgsprocessingparametertype.h"
#include "qgsprocessingmodelalgorithm.h"
#include "qgsnativealgorithms.h"
#include <QObject>
#include <QtTest/QSignalSpy>
#include <QList>
#include <QFileInfo>
#include "qgis.h"
#include "qgstest.h"
#include "qgsrasterlayer.h"
#include "qgsmeshlayer.h"
#include "qgsproject.h"
#include "qgspoint.h"
#include "qgsgeometry.h"
#include "qgsvectorfilewriter.h"
#include "qgsexpressioncontext.h"
#include "qgsxmlutils.h"
#include "qgsreferencedgeometry.h"
#include "qgssettings.h"
#include "qgsmessagelog.h"
#include "qgsvectorlayer.h"
#include "qgsexpressioncontextutils.h"
#include "qgsprintlayout.h"
#include "qgslayoutmanager.h"
#include "qgslayoutitemlabel.h"
#include "qgscoordinatetransformcontext.h"
#include "qgsrasterfilewriter.h"
class DummyAlgorithm : public QgsProcessingAlgorithm
{
public:
DummyAlgorithm( const QString &name ) : mName( name ) { mFlags = QgsProcessingAlgorithm::flags(); }
void initAlgorithm( const QVariantMap & = QVariantMap() ) override {}
QString name() const override { return mName; }
QString displayName() const override { return mName; }
QVariantMap processAlgorithm( const QVariantMap &, QgsProcessingContext &, QgsProcessingFeedback * ) override { return QVariantMap(); }
Flags flags() const override { return mFlags; }
DummyAlgorithm *createInstance() const override { return new DummyAlgorithm( name() ); }
QString mName;
Flags mFlags;
void checkParameterVals()
{
addParameter( new QgsProcessingParameterString( "p1" ) );
QVariantMap params;
QgsProcessingContext context;
QVERIFY( !checkParameterValues( params, context ) );
params.insert( "p1", "a" );
QVERIFY( checkParameterValues( params, context ) );
// optional param
addParameter( new QgsProcessingParameterString( "p2", QString(), QVariant(), false, true ) );
QVERIFY( checkParameterValues( params, context ) );
params.insert( "p2", "a" );
QVERIFY( checkParameterValues( params, context ) );
}
void runParameterChecks()
{
QVERIFY( parameterDefinitions().isEmpty() );
QVERIFY( addParameter( new QgsProcessingParameterBoolean( "p1" ) ) );
QCOMPARE( parameterDefinitions().count(), 1 );
QCOMPARE( parameterDefinitions().at( 0 )->name(), QString( "p1" ) );
QCOMPARE( parameterDefinitions().at( 0 )->algorithm(), this );
QVERIFY( !addParameter( nullptr ) );
QCOMPARE( parameterDefinitions().count(), 1 );
// duplicate name!
QgsProcessingParameterBoolean *p2 = new QgsProcessingParameterBoolean( "p1" );
QVERIFY( !addParameter( p2 ) );
QCOMPARE( parameterDefinitions().count(), 1 );
QCOMPARE( parameterDefinition( "p1" ), parameterDefinitions().at( 0 ) );
// parameterDefinition should be case insensitive
QCOMPARE( parameterDefinition( "P1" ), parameterDefinitions().at( 0 ) );
QVERIFY( !parameterDefinition( "invalid" ) );
QCOMPARE( countVisibleParameters(), 1 );
QgsProcessingParameterBoolean *p3 = new QgsProcessingParameterBoolean( "p3" );
QVERIFY( addParameter( p3 ) );
QCOMPARE( countVisibleParameters(), 2 );
QgsProcessingParameterBoolean *p4 = new QgsProcessingParameterBoolean( "p4" );
p4->setFlags( QgsProcessingParameterDefinition::FlagHidden );
QVERIFY( addParameter( p4 ) );
QCOMPARE( countVisibleParameters(), 2 );
//destination styleparameters
QVERIFY( destinationParameterDefinitions().isEmpty() );
QgsProcessingParameterFeatureSink *p5 = new QgsProcessingParameterFeatureSink( "p5" );
QVERIFY( addParameter( p5, false ) );
QCOMPARE( destinationParameterDefinitions(), QgsProcessingParameterDefinitions() << p5 );
QgsProcessingParameterFeatureSink *p6 = new QgsProcessingParameterFeatureSink( "p6" );
QVERIFY( addParameter( p6, false ) );
QCOMPARE( destinationParameterDefinitions(), QgsProcessingParameterDefinitions() << p5 << p6 );
// remove parameter
removeParameter( "non existent" );
removeParameter( "p6" );
QCOMPARE( destinationParameterDefinitions(), QgsProcessingParameterDefinitions() << p5 );
removeParameter( "p5" );
QVERIFY( destinationParameterDefinitions().isEmpty() );
// try with auto output creation
QgsProcessingParameterVectorDestination *p7 = new QgsProcessingParameterVectorDestination( "p7", "my output" );
QVERIFY( addParameter( p7 ) );
QCOMPARE( destinationParameterDefinitions(), QgsProcessingParameterDefinitions() << p7 );
QVERIFY( outputDefinition( "p7" ) );
QCOMPARE( outputDefinition( "p7" )->name(), QStringLiteral( "p7" ) );
QCOMPARE( outputDefinition( "p7" )->type(), QStringLiteral( "outputVector" ) );
QCOMPARE( outputDefinition( "p7" )->description(), QStringLiteral( "my output" ) );
// duplicate output name
QVERIFY( addOutput( new QgsProcessingOutputVectorLayer( "p8" ) ) );
QgsProcessingParameterVectorDestination *p8 = new QgsProcessingParameterVectorDestination( "p8" );
// this should fail - it would result in a duplicate output name
QVERIFY( !addParameter( p8 ) );
// default vector format extension
QgsProcessingParameterFeatureSink *sinkParam = new QgsProcessingParameterFeatureSink( "sink" );
QCOMPARE( sinkParam->defaultFileExtension(), QStringLiteral( "gpkg" ) ); // before alg is accessible
QVERIFY( !sinkParam->algorithm() );
QVERIFY( !sinkParam->provider() );
QVERIFY( addParameter( sinkParam ) );
QCOMPARE( sinkParam->defaultFileExtension(), QStringLiteral( "gpkg" ) );
QCOMPARE( sinkParam->algorithm(), this );
QVERIFY( !sinkParam->provider() );
// default raster format extension
QgsProcessingParameterRasterDestination *rasterParam = new QgsProcessingParameterRasterDestination( "raster" );
QCOMPARE( rasterParam->defaultFileExtension(), QStringLiteral( "tif" ) ); // before alg is accessible
QVERIFY( addParameter( rasterParam ) );
QCOMPARE( rasterParam->defaultFileExtension(), QStringLiteral( "tif" ) );
// should allow parameters with same name but different case (required for grass provider)
QgsProcessingParameterBoolean *p1C = new QgsProcessingParameterBoolean( "P1" );
QVERIFY( addParameter( p1C ) );
QCOMPARE( parameterDefinitions().count(), 8 );
// parameterDefinition should be case insensitive, but prioritize correct case matches
QCOMPARE( parameterDefinition( "p1" ), parameterDefinitions().at( 0 ) );
QCOMPARE( parameterDefinition( "P1" ), parameterDefinitions().at( 7 ) );
}
void runParameterChecks2()
{
// default vector format extension, taken from provider
QgsProcessingParameterFeatureSink *sinkParam = new QgsProcessingParameterFeatureSink( "sink2" );
QCOMPARE( sinkParam->defaultFileExtension(), QStringLiteral( "gpkg" ) ); // before alg is accessible
QVERIFY( !sinkParam->algorithm() );
QVERIFY( !sinkParam->provider() );
QVERIFY( addParameter( sinkParam ) );
QCOMPARE( sinkParam->defaultFileExtension(), QStringLiteral( "xshp" ) );
QCOMPARE( sinkParam->algorithm(), this );
QCOMPARE( sinkParam->provider(), provider() );
// default raster format extension
QgsProcessingParameterRasterDestination *rasterParam = new QgsProcessingParameterRasterDestination( "raster2" );
QCOMPARE( rasterParam->defaultFileExtension(), QStringLiteral( "tif" ) ); // before alg is accessible
QVERIFY( addParameter( rasterParam ) );
QCOMPARE( rasterParam->defaultFileExtension(), QStringLiteral( "pcx" ) );
}
void runOutputChecks()
{
QVERIFY( outputDefinitions().isEmpty() );
QVERIFY( addOutput( new QgsProcessingOutputVectorLayer( "p1" ) ) );
QCOMPARE( outputDefinitions().count(), 1 );
QCOMPARE( outputDefinitions().at( 0 )->name(), QString( "p1" ) );
QVERIFY( !addOutput( nullptr ) );
QCOMPARE( outputDefinitions().count(), 1 );
// duplicate name!
QgsProcessingOutputVectorLayer *p2 = new QgsProcessingOutputVectorLayer( "p1" );
QVERIFY( !addOutput( p2 ) );
QCOMPARE( outputDefinitions().count(), 1 );
QCOMPARE( outputDefinition( "p1" ), outputDefinitions().at( 0 ) );
// parameterDefinition should be case insensitive
QCOMPARE( outputDefinition( "P1" ), outputDefinitions().at( 0 ) );
QVERIFY( !outputDefinition( "invalid" ) );
QVERIFY( !hasHtmlOutputs() );
QgsProcessingOutputHtml *p3 = new QgsProcessingOutputHtml( "p3" );
QVERIFY( addOutput( p3 ) );
QVERIFY( hasHtmlOutputs() );
}
void runValidateInputCrsChecks()
{
addParameter( new QgsProcessingParameterMapLayer( "p1" ) );
addParameter( new QgsProcessingParameterMapLayer( "p2" ) );
QVariantMap parameters;
QgsVectorLayer *layer3111 = new QgsVectorLayer( "Point?crs=epsg:3111", "v1", "memory" );
QgsProject p;
p.addMapLayer( layer3111 );
QString testDataDir = QStringLiteral( TEST_DATA_DIR ) + '/'; //defined in CmakeLists.txt
QString raster1 = testDataDir + "landsat_4326.tif";
QFileInfo fi1( raster1 );
QgsRasterLayer *r1 = new QgsRasterLayer( fi1.filePath(), "R1" );
QVERIFY( r1->isValid() );
p.addMapLayer( r1 );
QgsVectorLayer *layer4326 = new QgsVectorLayer( "Point?crs=epsg:4326", "v1", "memory" );
p.addMapLayer( layer4326 );
QgsProcessingContext context;
context.setProject( &p );
// flag not set
mFlags = nullptr;
parameters.insert( "p1", QVariant::fromValue( layer3111 ) );
QVERIFY( validateInputCrs( parameters, context ) );
mFlags = FlagRequiresMatchingCrs;
QVERIFY( validateInputCrs( parameters, context ) );
// two layers, different crs
parameters.insert( "p2", QVariant::fromValue( layer4326 ) );
// flag not set
mFlags = nullptr;
QVERIFY( validateInputCrs( parameters, context ) );
mFlags = FlagRequiresMatchingCrs;
QVERIFY( !validateInputCrs( parameters, context ) );
// raster layer
parameters.remove( "p2" );
addParameter( new QgsProcessingParameterRasterLayer( "p3" ) );
parameters.insert( "p3", QVariant::fromValue( r1 ) );
QVERIFY( !validateInputCrs( parameters, context ) );
// feature source
parameters.remove( "p3" );
addParameter( new QgsProcessingParameterFeatureSource( "p4" ) );
parameters.insert( "p4", layer4326->id() );
QVERIFY( !validateInputCrs( parameters, context ) );
parameters.remove( "p4" );
addParameter( new QgsProcessingParameterMultipleLayers( "p5" ) );
parameters.insert( "p5", QVariantList() << layer4326->id() << r1->id() );
QVERIFY( !validateInputCrs( parameters, context ) );
// extent
parameters.clear();
parameters.insert( "p1", QVariant::fromValue( layer3111 ) );
addParameter( new QgsProcessingParameterExtent( "extent" ) );
parameters.insert( "extent", QgsReferencedRectangle( QgsRectangle( 1, 2, 3, 4 ), QgsCoordinateReferenceSystem( QStringLiteral( "EPSG:4326" ) ) ) );
QVERIFY( !validateInputCrs( parameters, context ) );
parameters.insert( "extent", QgsReferencedRectangle( QgsRectangle( 1, 2, 3, 4 ), QgsCoordinateReferenceSystem( QStringLiteral( "EPSG:3111" ) ) ) );
QVERIFY( validateInputCrs( parameters, context ) );
// point
parameters.clear();
parameters.insert( "p1", QVariant::fromValue( layer3111 ) );
addParameter( new QgsProcessingParameterPoint( "point" ) );
parameters.insert( "point", QgsReferencedPointXY( QgsPointXY( 1, 2 ), QgsCoordinateReferenceSystem( QStringLiteral( "EPSG:4326" ) ) ) );
QVERIFY( !validateInputCrs( parameters, context ) );
parameters.insert( "point", QgsReferencedPointXY( QgsPointXY( 1, 2 ), QgsCoordinateReferenceSystem( QStringLiteral( "EPSG:3111" ) ) ) );
QVERIFY( validateInputCrs( parameters, context ) );
}
void runAsPythonCommandChecks()
{
addParameter( new QgsProcessingParameterString( "p1" ) );
addParameter( new QgsProcessingParameterString( "p2" ) );
QgsProcessingParameterString *hidden = new QgsProcessingParameterString( "p3" );
hidden->setFlags( QgsProcessingParameterDefinition::FlagHidden );
addParameter( hidden );
QVariantMap params;
QgsProcessingContext context;
QCOMPARE( asPythonCommand( params, context ), QStringLiteral( "processing.run(\"test\", {})" ) );
params.insert( "p1", "a" );
QCOMPARE( asPythonCommand( params, context ), QStringLiteral( "processing.run(\"test\", {'p1':'a'})" ) );
params.insert( "p2", QVariant() );
QCOMPARE( asPythonCommand( params, context ), QStringLiteral( "processing.run(\"test\", {'p1':'a','p2':None})" ) );
params.insert( "p2", "b" );
QCOMPARE( asPythonCommand( params, context ), QStringLiteral( "processing.run(\"test\", {'p1':'a','p2':'b'})" ) );
// hidden, shouldn't be shown
params.insert( "p3", "b" );
QCOMPARE( asPythonCommand( params, context ), QStringLiteral( "processing.run(\"test\", {'p1':'a','p2':'b'})" ) );
}
void addDestParams()
{
QgsProcessingParameterFeatureSink *sinkParam1 = new QgsProcessingParameterFeatureSink( "supports" );
sinkParam1->setSupportsNonFileBasedOutput( true );
addParameter( sinkParam1 );
QgsProcessingParameterFeatureSink *sinkParam2 = new QgsProcessingParameterFeatureSink( "non_supports" );
sinkParam2->setSupportsNonFileBasedOutput( false );
addParameter( sinkParam2 );
}
};
//dummy provider for testing
class DummyProvider : public QgsProcessingProvider
{
public:
DummyProvider( const QString &id ) : mId( id ) {}
QString id() const override { return mId; }
QString name() const override { return "dummy"; }
void unload() override { if ( unloaded ) { *unloaded = true; } }
QString defaultVectorFileExtension( bool ) const override
{
return "xshp"; // shape-X. Just like shapefiles, but to the max!
}
QString defaultRasterFileExtension() const override
{
return "pcx"; // next-gen raster storage
}
bool supportsNonFileBasedOutput() const override
{
return supportsNonFileOutputs;
}
bool isActive() const override
{
return active;
}
bool active = true;
bool *unloaded = nullptr;
bool supportsNonFileOutputs = false;
protected:
void loadAlgorithms() override
{
QVERIFY( addAlgorithm( new DummyAlgorithm( "alg1" ) ) );
QVERIFY( addAlgorithm( new DummyAlgorithm( "alg2" ) ) );
//dupe name
QgsProcessingAlgorithm *a = new DummyAlgorithm( "alg1" );
QVERIFY( !addAlgorithm( a ) );
delete a;
QVERIFY( !addAlgorithm( nullptr ) );
}
QString mId;
friend class TestQgsProcessing;
};
class DummyProviderNoLoad : public DummyProvider
{
public:
DummyProviderNoLoad( const QString &id ) : DummyProvider( id ) {}
bool load() override
{
return false;
}
};
class DummyAlgorithm2 : public QgsProcessingAlgorithm
{
public:
DummyAlgorithm2( const QString &name ) : mName( name ) { mFlags = QgsProcessingAlgorithm::flags(); }
void initAlgorithm( const QVariantMap & = QVariantMap() ) override
{
addParameter( new QgsProcessingParameterVectorDestination( QStringLiteral( "vector_dest" ) ) );
addParameter( new QgsProcessingParameterRasterDestination( QStringLiteral( "raster_dest" ) ) );
addParameter( new QgsProcessingParameterFeatureSink( QStringLiteral( "sink" ) ) );
}
QString name() const override { return mName; }
QString displayName() const override { return mName; }
QVariantMap processAlgorithm( const QVariantMap &, QgsProcessingContext &, QgsProcessingFeedback * ) override { return QVariantMap(); }
Flags flags() const override { return mFlags; }
DummyAlgorithm2 *createInstance() const override { return new DummyAlgorithm2( name() ); }
QString mName;
Flags mFlags;
};
class DummyProvider3 : public QgsProcessingProvider
{
public:
DummyProvider3() = default;
QString id() const override { return QStringLiteral( "dummy3" ); }
QString name() const override { return QStringLiteral( "dummy3" ); }
QStringList supportedOutputVectorLayerExtensions() const override
{
return QStringList() << QStringLiteral( "mif" ) << QStringLiteral( "tab" );
}
QStringList supportedOutputTableExtensions() const override
{
return QStringList() << QStringLiteral( "dbf" );
}
QStringList supportedOutputRasterLayerExtensions() const override
{
return QStringList() << QStringLiteral( "mig" ) << QStringLiteral( "sdat" );
}
void loadAlgorithms() override
{
QVERIFY( addAlgorithm( new DummyAlgorithm2( "alg1" ) ) );
}
};
class DummyProvider4 : public QgsProcessingProvider
{
public:
DummyProvider4() = default;
QString id() const override { return QStringLiteral( "dummy4" ); }
QString name() const override { return QStringLiteral( "dummy4" ); }
bool supportsNonFileBasedOutput() const override
{
return false;
}
QStringList supportedOutputVectorLayerExtensions() const override
{
return QStringList() << QStringLiteral( "mif" );
}
QStringList supportedOutputRasterLayerExtensions() const override
{
return QStringList() << QStringLiteral( "mig" );
}
void loadAlgorithms() override
{
QVERIFY( addAlgorithm( new DummyAlgorithm2( "alg1" ) ) );
}
};
class DummyParameterType : public QgsProcessingParameterType
{
// QgsProcessingParameterType interface
public:
QgsProcessingParameterDefinition *create( const QString &name ) const override
{
return new QgsProcessingParameterString( name );
}
QString description() const override
{
return QStringLiteral( "Description" );
}
QString name() const override
{
return QStringLiteral( "ParamType" );
}
QString id() const override
{
return QStringLiteral( "paramType" );
}
};
class TestQgsProcessing: 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 instance();
void addProvider();
void providerById();
void removeProvider();
void compatibleLayers();
void normalizeLayerSource();
void context();
void mapLayers();
void mapLayerFromStore();
void mapLayerFromString();
void algorithm();
void features();
void uniqueValues();
void createIndex();
void generateTemporaryDestination();
void parseDestinationString();
void createFeatureSink();
void parameters();
void algorithmParameters();
void algorithmOutputs();
void parameterGeneral();
void parameterBoolean();
void parameterCrs();
void parameterLayer();
void parameterExtent();
void parameterPoint();
void parameterFile();
void parameterMatrix();
void parameterLayerList();
void parameterNumber();
void parameterDistance();
void parameterScale();
void parameterRange();
void parameterRasterLayer();
void parameterEnum();
void parameterString();
void parameterAuthConfig();
void parameterExpression();
void parameterField();
void parameterVectorLayer();
void parameterMeshLayer();
void parameterFeatureSource();
void parameterFeatureSink();
void parameterVectorOut();
void parameterRasterOut();
void parameterFileOut();
void parameterFolderOut();
void parameterBand();
void parameterLayout();
void parameterLayoutItem();
void parameterColor();
void checkParamValues();
void combineLayerExtent();
void processingFeatureSource();
void processingFeatureSink();
void algorithmScope();
void modelScope();
void validateInputCrs();
void generateIteratingDestination();
void asPythonCommand();
void modelerAlgorithm();
void modelExecution();
void modelWithProviderWithLimitedTypes();
void modelVectorOutputIsCompatibleType();
void modelAcceptableValues();
void tempUtils();
void convertCompatible();
void create();
void combineFields();
void fieldNamesToIndices();
void indicesToFields();
void variantToPythonLiteral();
void stringToPythonLiteral();
void defaultExtensionsForProvider();
void supportedExtensions();
void supportsNonFileBasedOutput();
void addParameterType();
void removeParameterType();
void parameterTypes();
void parameterType();
void sourceTypeToString_data();
void sourceTypeToString();
private:
};
void TestQgsProcessing::initTestCase()
{
QgsApplication::init();
QgsApplication::initQgis();
// Set up the QgsSettings environment
QCoreApplication::setOrganizationName( QStringLiteral( "QGIS" ) );
QCoreApplication::setOrganizationDomain( QStringLiteral( "qgis.org" ) );
QCoreApplication::setApplicationName( QStringLiteral( "QGIS-TEST" ) );
QgsSettings settings;
settings.clear();
QgsApplication::processingRegistry()->addProvider( new QgsNativeAlgorithms( QgsApplication::processingRegistry() ) );
}
void TestQgsProcessing::cleanupTestCase()
{
QFile::remove( QDir::tempPath() + "/create_feature_sink.tab" );
QgsVectorFileWriter::deleteShapeFile( QDir::tempPath() + "/create_feature_sink2.gpkg" );
QgsApplication::exitQgis();
}
void TestQgsProcessing::instance()
{
// test that application has a registry instance
QVERIFY( QgsApplication::processingRegistry() );
}
void TestQgsProcessing::addProvider()
{
QgsProcessingRegistry r;
QSignalSpy spyProviderAdded( &r, &QgsProcessingRegistry::providerAdded );
QVERIFY( r.providers().isEmpty() );
QVERIFY( !r.addProvider( nullptr ) );
// add a provider
DummyProvider *p = new DummyProvider( "p1" );
QVERIFY( r.addProvider( p ) );
QCOMPARE( r.providers(), QList< QgsProcessingProvider * >() << p );
QCOMPARE( spyProviderAdded.count(), 1 );
QCOMPARE( spyProviderAdded.last().at( 0 ).toString(), QString( "p1" ) );
//try adding another provider
DummyProvider *p2 = new DummyProvider( "p2" );
QVERIFY( r.addProvider( p2 ) );
QCOMPARE( r.providers().toSet(), QSet< QgsProcessingProvider * >() << p << p2 );
QCOMPARE( spyProviderAdded.count(), 2 );
QCOMPARE( spyProviderAdded.last().at( 0 ).toString(), QString( "p2" ) );
//try adding a provider with duplicate id
DummyProvider *p3 = new DummyProvider( "p2" );
QVERIFY( !r.addProvider( p3 ) );
QCOMPARE( r.providers().toSet(), QSet< QgsProcessingProvider * >() << p << p2 );
QCOMPARE( spyProviderAdded.count(), 2 );
// test that adding a provider which does not load means it is not added to registry
DummyProviderNoLoad *p4 = new DummyProviderNoLoad( "p4" );
QVERIFY( !r.addProvider( p4 ) );
QCOMPARE( r.providers().toSet(), QSet< QgsProcessingProvider * >() << p << p2 );
QCOMPARE( spyProviderAdded.count(), 2 );
}
void TestQgsProcessing::providerById()
{
QgsProcessingRegistry r;
// no providers
QVERIFY( !r.providerById( "p1" ) );
// add a provider
DummyProvider *p = new DummyProvider( "p1" );
QVERIFY( r.addProvider( p ) );
QCOMPARE( r.providerById( "p1" ), p );
QVERIFY( !r.providerById( "p2" ) );
//try adding another provider
DummyProvider *p2 = new DummyProvider( "p2" );
QVERIFY( r.addProvider( p2 ) );
QCOMPARE( r.providerById( "p1" ), p );
QCOMPARE( r.providerById( "p2" ), p2 );
QVERIFY( !r.providerById( "p3" ) );
}
void TestQgsProcessing::removeProvider()
{
QgsProcessingRegistry r;
QSignalSpy spyProviderRemoved( &r, &QgsProcessingRegistry::providerRemoved );
QVERIFY( !r.removeProvider( nullptr ) );
QVERIFY( !r.removeProvider( "p1" ) );
// provider not in registry
DummyProvider *p = new DummyProvider( "p1" );
QVERIFY( !r.removeProvider( p ) );
QCOMPARE( spyProviderRemoved.count(), 0 );
// add some providers
QVERIFY( r.addProvider( p ) );
DummyProvider *p2 = new DummyProvider( "p2" );
QVERIFY( r.addProvider( p2 ) );
// remove one by pointer
bool unloaded = false;
p->unloaded = &unloaded;
QVERIFY( r.removeProvider( p ) );
QCOMPARE( spyProviderRemoved.count(), 1 );
QCOMPARE( spyProviderRemoved.last().at( 0 ).toString(), QString( "p1" ) );
QCOMPARE( r.providers(), QList< QgsProcessingProvider * >() << p2 );
//test that provider was unloaded
QVERIFY( unloaded );
// should fail, already removed
QVERIFY( !r.removeProvider( "p1" ) );
// remove one by id
QVERIFY( r.removeProvider( "p2" ) );
QCOMPARE( spyProviderRemoved.count(), 2 );
QCOMPARE( spyProviderRemoved.last().at( 0 ).toString(), QString( "p2" ) );
QVERIFY( r.providers().isEmpty() );
}
void TestQgsProcessing::compatibleLayers()
{
QgsProject p;
// add a bunch of layers to a project
QString testDataDir = QStringLiteral( TEST_DATA_DIR ) + '/'; //defined in CmakeLists.txt
QString raster1 = testDataDir + "tenbytenraster.asc";
QString raster2 = testDataDir + "landsat.tif";
QString raster3 = testDataDir + "/raster/band1_float32_noct_epsg4326.tif";
QFileInfo fi1( raster1 );
QgsRasterLayer *r1 = new QgsRasterLayer( fi1.filePath(), "R1" );
QVERIFY( r1->isValid() );
QFileInfo fi2( raster2 );
QgsRasterLayer *r2 = new QgsRasterLayer( fi2.filePath(), "ar2" );
QVERIFY( r2->isValid() );
QFileInfo fi3( raster3 );
QgsRasterLayer *r3 = new QgsRasterLayer( fi3.filePath(), "zz" );
QVERIFY( r3->isValid() );
QgsVectorLayer *v1 = new QgsVectorLayer( "Polygon", "V4", "memory" );
QgsVectorLayer *v2 = new QgsVectorLayer( "Point", "v1", "memory" );
QgsVectorLayer *v3 = new QgsVectorLayer( "LineString", "v3", "memory" );
QgsVectorLayer *v4 = new QgsVectorLayer( "none", "vvvv4", "memory" );
QFileInfo fm( testDataDir + "/mesh/quad_and_triangle.2dm" );
QgsMeshLayer *m1 = new QgsMeshLayer( fm.filePath(), "MX", "mdal" );
QVERIFY( m1->isValid() );
QgsMeshLayer *m2 = new QgsMeshLayer( fm.filePath(), "mA", "mdal" );
QVERIFY( m2->isValid() );
p.addMapLayers( QList<QgsMapLayer *>() << r1 << r2 << r3 << v1 << v2 << v3 << v4 << m1 << m2 );
// compatibleRasterLayers
QVERIFY( QgsProcessingUtils::compatibleRasterLayers( nullptr ).isEmpty() );
// sorted
QStringList lIds;
Q_FOREACH ( QgsRasterLayer *rl, QgsProcessingUtils::compatibleRasterLayers( &p ) )
lIds << rl->name();
QCOMPARE( lIds, QStringList() << "ar2" << "R1" << "zz" );
// unsorted
lIds.clear();
Q_FOREACH ( QgsRasterLayer *rl, QgsProcessingUtils::compatibleRasterLayers( &p, false ) )
lIds << rl->name();
QCOMPARE( lIds, QStringList() << "R1" << "ar2" << "zz" );
// compatibleMeshLayers
QVERIFY( QgsProcessingUtils::compatibleMeshLayers( nullptr ).isEmpty() );
// sorted
lIds.clear();
Q_FOREACH ( QgsMeshLayer *rl, QgsProcessingUtils::compatibleMeshLayers( &p ) )
lIds << rl->name();
QCOMPARE( lIds, QStringList() << "mA" << "MX" );
// unsorted
lIds.clear();
Q_FOREACH ( QgsMeshLayer *rl, QgsProcessingUtils::compatibleMeshLayers( &p, false ) )
lIds << rl->name();
QCOMPARE( lIds, QStringList() << "MX" << "mA" );
// compatibleVectorLayers
QVERIFY( QgsProcessingUtils::compatibleVectorLayers( nullptr ).isEmpty() );
// sorted
lIds.clear();
Q_FOREACH ( QgsVectorLayer *vl, QgsProcessingUtils::compatibleVectorLayers( &p ) )
lIds << vl->name();
QCOMPARE( lIds, QStringList() << "v1" << "v3" << "V4" << "vvvv4" );
// unsorted
lIds.clear();
Q_FOREACH ( QgsVectorLayer *vl, QgsProcessingUtils::compatibleVectorLayers( &p, QList<int>(), false ) )
lIds << vl->name();
QCOMPARE( lIds, QStringList() << "V4" << "v1" << "v3" << "vvvv4" );
// point only
lIds.clear();
Q_FOREACH ( QgsVectorLayer *vl, QgsProcessingUtils::compatibleVectorLayers( &p, QList<int>() << QgsProcessing::TypeVectorPoint ) )
lIds << vl->name();
QCOMPARE( lIds, QStringList() << "v1" );
// polygon only
lIds.clear();
Q_FOREACH ( QgsVectorLayer *vl, QgsProcessingUtils::compatibleVectorLayers( &p, QList<int>() << QgsProcessing::TypeVectorPolygon ) )
lIds << vl->name();
QCOMPARE( lIds, QStringList() << "V4" );
// line only
lIds.clear();
Q_FOREACH ( QgsVectorLayer *vl, QgsProcessingUtils::compatibleVectorLayers( &p, QList<int>() << QgsProcessing::TypeVectorLine ) )
lIds << vl->name();
QCOMPARE( lIds, QStringList() << "v3" );
// point and line only
lIds.clear();
Q_FOREACH ( QgsVectorLayer *vl, QgsProcessingUtils::compatibleVectorLayers( &p, QList<int>() << QgsProcessing::TypeVectorPoint << QgsProcessing::TypeVectorLine ) )
lIds << vl->name();
QCOMPARE( lIds, QStringList() << "v1" << "v3" );
// any vector w geometry
lIds.clear();
Q_FOREACH ( QgsVectorLayer *vl, QgsProcessingUtils::compatibleVectorLayers( &p, QList<int>() << QgsProcessing::TypeVectorAnyGeometry ) )
lIds << vl->name();
QCOMPARE( lIds, QStringList() << "v1" << "v3" << "V4" );
// any vector
lIds.clear();
Q_FOREACH ( QgsVectorLayer *vl, QgsProcessingUtils::compatibleVectorLayers( &p, QList<int>() << QgsProcessing::TypeVector ) )
lIds << vl->name();
QCOMPARE( lIds, QStringList() << "v1" << "v3" << "V4" << "vvvv4" );
// all layers
QVERIFY( QgsProcessingUtils::compatibleLayers( nullptr ).isEmpty() );
// sorted
lIds.clear();
Q_FOREACH ( QgsMapLayer *l, QgsProcessingUtils::compatibleLayers( &p ) )
lIds << l->name();
QCOMPARE( lIds, QStringList() << "ar2" << "mA" << "MX" << "R1" << "v1" << "v3" << "V4" << "vvvv4" << "zz" );
// unsorted
lIds.clear();
Q_FOREACH ( QgsMapLayer *l, QgsProcessingUtils::compatibleLayers( &p, false ) )
lIds << l->name();
QCOMPARE( lIds, QStringList() << "R1" << "ar2" << "zz" << "V4" << "v1" << "v3" << "vvvv4" << "MX" << "mA" );
}
void TestQgsProcessing::normalizeLayerSource()
{
QCOMPARE( QgsProcessingUtils::normalizeLayerSource( "data\\layers\\test.shp" ), QString( "data/layers/test.shp" ) );
QCOMPARE( QgsProcessingUtils::normalizeLayerSource( "data\\layers \"new\"\\test.shp" ), QString( "data/layers \"new\"/test.shp" ) );
}
class TestPostProcessor : public QgsProcessingLayerPostProcessorInterface
{
public:
TestPostProcessor( bool *deleted )
: deleted( deleted )
{}
~TestPostProcessor() override
{
*deleted = true;
}
bool *deleted = nullptr;
void postProcessLayer( QgsMapLayer *, QgsProcessingContext &, QgsProcessingFeedback * ) override
{
}
};
void TestQgsProcessing::context()
{
QgsProcessingContext context;
// simple tests for getters/setters
context.setDefaultEncoding( "my_enc" );
QCOMPARE( context.defaultEncoding(), QStringLiteral( "my_enc" ) );
context.setFlags( QgsProcessingContext::Flags( nullptr ) );
QCOMPARE( context.flags(), QgsProcessingContext::Flags( nullptr ) );
QgsProject p;
context.setProject( &p );
QCOMPARE( context.project(), &p );
context.setInvalidGeometryCheck( QgsFeatureRequest::GeometrySkipInvalid );
QCOMPARE( context.invalidGeometryCheck(), QgsFeatureRequest::GeometrySkipInvalid );
QgsVectorLayer *vector = new QgsVectorLayer( "Polygon", "vector", "memory" );
context.temporaryLayerStore()->addMapLayer( vector );
QCOMPARE( context.temporaryLayerStore()->mapLayer( vector->id() ), vector );
QgsProcessingContext context2;
context2.copyThreadSafeSettings( context );
QCOMPARE( context2.defaultEncoding(), context.defaultEncoding() );
QCOMPARE( context2.invalidGeometryCheck(), context.invalidGeometryCheck() );
QCOMPARE( context2.flags(), context.flags() );
QCOMPARE( context2.project(), context.project() );
// layers from temporaryLayerStore must not be copied by copyThreadSafeSettings
QVERIFY( context2.temporaryLayerStore()->mapLayers().isEmpty() );
// layers to load on completion
QgsVectorLayer *v1 = new QgsVectorLayer( "Polygon", "V1", "memory" );
QgsVectorLayer *v2 = new QgsVectorLayer( "Polygon", "V2", "memory" );
QVERIFY( context.layersToLoadOnCompletion().isEmpty() );
QVERIFY( !context.willLoadLayerOnCompletion( v1->id() ) );
QVERIFY( !context.willLoadLayerOnCompletion( v2->id() ) );
QMap< QString, QgsProcessingContext::LayerDetails > layers;
QgsProcessingContext::LayerDetails details( QStringLiteral( "v1" ), &p );
bool ppDeleted = false;
TestPostProcessor *pp = new TestPostProcessor( &ppDeleted );
details.setPostProcessor( pp );
layers.insert( v1->id(), details );
context.setLayersToLoadOnCompletion( layers );
QCOMPARE( context.layersToLoadOnCompletion().count(), 1 );
QCOMPARE( context.layersToLoadOnCompletion().keys().at( 0 ), v1->id() );
QCOMPARE( context.layersToLoadOnCompletion().values().at( 0 ).name, QStringLiteral( "v1" ) );
QCOMPARE( context.layersToLoadOnCompletion().values().at( 0 ).postProcessor(), pp );
QVERIFY( context.willLoadLayerOnCompletion( v1->id() ) );
QCOMPARE( context.layerToLoadOnCompletionDetails( v1->id() ).name, QStringLiteral( "v1" ) );
QVERIFY( !context.willLoadLayerOnCompletion( v2->id() ) );
context.addLayerToLoadOnCompletion( v2->id(), QgsProcessingContext::LayerDetails( QStringLiteral( "v2" ), &p ) );
QCOMPARE( context.layersToLoadOnCompletion().count(), 2 );
QCOMPARE( context.layersToLoadOnCompletion().keys().at( 0 ), v1->id() );
QCOMPARE( context.layersToLoadOnCompletion().values().at( 0 ).name, QStringLiteral( "v1" ) );
QCOMPARE( context.layersToLoadOnCompletion().values().at( 0 ).postProcessor(), pp );
QCOMPARE( context.layersToLoadOnCompletion().keys().at( 1 ), v2->id() );
QCOMPARE( context.layersToLoadOnCompletion().values().at( 1 ).name, QStringLiteral( "v2" ) );
QVERIFY( !context.layersToLoadOnCompletion().values().at( 1 ).postProcessor() );
QCOMPARE( context.layerToLoadOnCompletionDetails( v1->id() ).name, QStringLiteral( "v1" ) );
QCOMPARE( context.layerToLoadOnCompletionDetails( v2->id() ).name, QStringLiteral( "v2" ) );
QVERIFY( context.willLoadLayerOnCompletion( v1->id() ) );
QVERIFY( context.willLoadLayerOnCompletion( v2->id() ) );
// ensure that copyThreadSafeSettings doesn't copy layersToLoadOnCompletion()
context2.copyThreadSafeSettings( context );
QVERIFY( context2.layersToLoadOnCompletion().isEmpty() );
layers.clear();
layers.insert( v2->id(), QgsProcessingContext::LayerDetails( QStringLiteral( "v2" ), &p ) );
context.setLayersToLoadOnCompletion( layers );
QVERIFY( ppDeleted );
QCOMPARE( context.layersToLoadOnCompletion().count(), 1 );
QCOMPARE( context.layersToLoadOnCompletion().keys().at( 0 ), v2->id() );
QCOMPARE( context.layersToLoadOnCompletion().values().at( 0 ).name, QStringLiteral( "v2" ) );
context.addLayerToLoadOnCompletion( v1->id(), QgsProcessingContext::LayerDetails( QString(), &p ) );
QCOMPARE( context.layersToLoadOnCompletion().count(), 2 );
QCOMPARE( context.layersToLoadOnCompletion().keys().at( 0 ), v1->id() );
QCOMPARE( context.layersToLoadOnCompletion().keys().at( 1 ), v2->id() );
context.temporaryLayerStore()->addMapLayer( v1 );
context.temporaryLayerStore()->addMapLayer( v2 );
// test takeResultsFrom
context2.takeResultsFrom( context );
QVERIFY( context.temporaryLayerStore()->mapLayers().isEmpty() );
QVERIFY( context.layersToLoadOnCompletion().isEmpty() );
// should now be in context2
QCOMPARE( context2.temporaryLayerStore()->mapLayer( v1->id() ), v1 );
QCOMPARE( context2.temporaryLayerStore()->mapLayer( v2->id() ), v2 );
QCOMPARE( context2.layersToLoadOnCompletion().count(), 2 );
QCOMPARE( context2.layersToLoadOnCompletion().keys().at( 0 ), v1->id() );
QCOMPARE( context2.layersToLoadOnCompletion().keys().at( 1 ), v2->id() );
// make sure postprocessor is correctly deleted
ppDeleted = false;
pp = new TestPostProcessor( &ppDeleted );
details = QgsProcessingContext::LayerDetails( QStringLiteral( "v1" ), &p );
details.setPostProcessor( pp );
layers.insert( v1->id(), details );
context.setLayersToLoadOnCompletion( layers );
// overwrite with existing
context.setLayersToLoadOnCompletion( layers );
QVERIFY( !ppDeleted );
QCOMPARE( context.layerToLoadOnCompletionDetails( v1->id() ).postProcessor(), pp );
bool pp2Deleted = false;
TestPostProcessor *pp2 = new TestPostProcessor( &pp2Deleted );
details = QgsProcessingContext::LayerDetails( QStringLiteral( "v1" ), &p );
details.setPostProcessor( pp2 );
layers.insert( v1->id(), details );
context.setLayersToLoadOnCompletion( layers );
QVERIFY( ppDeleted );