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testqgsprocessing.cpp
4747 lines (4121 loc) · 245 KB
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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 "qgsprocessingmodelalgorithm.h"
#include <QObject>
#include <QtTest/QSignalSpy>
#include "qgis.h"
#include "qgstest.h"
#include "qgstestutils.h"
#include "qgsrasterlayer.h"
#include "qgsproject.h"
#include "qgspoint.h"
#include "qgsgeometry.h"
#include "qgsvectorfilewriter.h"
#include "qgsexpressioncontext.h"
#include "qgsxmlutils.h"
class DummyAlgorithm : public QgsProcessingAlgorithm
{
public:
DummyAlgorithm( const QString &name ) : mName( name ) { mFlags = QgsProcessingAlgorithm::flags(); }
QString name() const override { return mName; }
QString displayName() const override { return mName; }
virtual QVariantMap processAlgorithm( const QVariantMap &,
QgsProcessingContext &, QgsProcessingFeedback * ) const override { return QVariantMap(); }
virtual Flags flags() const override { return mFlags; }
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" ) );
QVERIFY( !addParameter( nullptr ) );
QCOMPARE( parameterDefinitions().count(), 1 );
// duplicate name!
QgsProcessingParameterBoolean *p2 = new QgsProcessingParameterBoolean( "p1" );
QVERIFY( !addParameter( p2 ) );
delete 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 ) );
QCOMPARE( destinationParameterDefinitions(), QgsProcessingParameterDefinitions() << p5 );
QgsProcessingParameterFeatureSink *p6 = new QgsProcessingParameterFeatureSink( "p6" );
QVERIFY( addParameter( p6 ) );
QCOMPARE( destinationParameterDefinitions(), QgsProcessingParameterDefinitions() << p5 << p6 );
// remove parameter
removeParameter( "non existent" );
removeParameter( "p6" );
QCOMPARE( destinationParameterDefinitions(), QgsProcessingParameterDefinitions() << p5 );
removeParameter( "p5" );
QVERIFY( destinationParameterDefinitions().isEmpty() );
}
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 ) );
delete 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 + "tenbytenraster.asc";
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 = 0;
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 = 0;
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 ) );
}
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() );
// not set, should be no change
QCOMPARE( asPythonCommand( params, context ), QStringLiteral( "processing.run(\"test\", {'p1':'a'})" ) );
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'})" ) );
}
};
//dummy provider for testing
class DummyProvider : public QgsProcessingProvider
{
public:
DummyProvider( const QString &id ) : mId( id ) {}
virtual QString id() const override { return mId; }
virtual QString name() const override { return "dummy"; }
void unload() override { if ( unloaded ) { *unloaded = true; } }
bool *unloaded = nullptr;
protected:
virtual 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;
};
class DummyProviderNoLoad : public DummyProvider
{
public:
DummyProviderNoLoad( const QString &id ) : DummyProvider( id ) {}
bool load() override
{
return false;
}
};
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 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 parameterRange();
void parameterRasterLayer();
void parameterEnum();
void parameterString();
void parameterExpression();
void parameterField();
void parameterVectorLayer();
void parameterFeatureSource();
void parameterFeatureSink();
void parameterVectorOut();
void parameterRasterOut();
void parameterFileOut();
void parameterFolderOut();
void checkParamValues();
void combineLayerExtent();
void processingFeatureSource();
void processingFeatureSink();
void algorithmScope();
void validateInputCrs();
void generateIteratingDestination();
void asPythonCommand();
void modelerAlgorithm();
void modelExecution();
void tempUtils();
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" ) );
}
void TestQgsProcessing::cleanupTestCase()
{
QFile::remove( QDir::tempPath() + "/create_feature_sink.tab" );
QgsVectorFileWriter::deleteShapeFile( QDir::tempPath() + "/create_feature_sink2.shp" );
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 );
delete p3;
// 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 );
delete p4;
}
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" );
p.addMapLayers( QList<QgsMapLayer *>() << r1 << r2 << r3 << v1 << v2 << v3 << v4 );
// 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" );
// 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<QgsWkbTypes::GeometryType>(), false ) )
lIds << vl->name();
QCOMPARE( lIds, QStringList() << "V4" << "v1" << "v3" << "vvvv4" );
// point only
lIds.clear();
Q_FOREACH ( QgsVectorLayer *vl, QgsProcessingUtils::compatibleVectorLayers( &p, QList<QgsWkbTypes::GeometryType>() << QgsWkbTypes::PointGeometry ) )
lIds << vl->name();
QCOMPARE( lIds, QStringList() << "v1" );
// polygon only
lIds.clear();
Q_FOREACH ( QgsVectorLayer *vl, QgsProcessingUtils::compatibleVectorLayers( &p, QList<QgsWkbTypes::GeometryType>() << QgsWkbTypes::PolygonGeometry ) )
lIds << vl->name();
QCOMPARE( lIds, QStringList() << "V4" );
// line only
lIds.clear();
Q_FOREACH ( QgsVectorLayer *vl, QgsProcessingUtils::compatibleVectorLayers( &p, QList<QgsWkbTypes::GeometryType>() << QgsWkbTypes::LineGeometry ) )
lIds << vl->name();
QCOMPARE( lIds, QStringList() << "v3" );
// point and line only
lIds.clear();
Q_FOREACH ( QgsVectorLayer *vl, QgsProcessingUtils::compatibleVectorLayers( &p, QList<QgsWkbTypes::GeometryType>() << QgsWkbTypes::PointGeometry << QgsWkbTypes::LineGeometry ) )
lIds << vl->name();
QCOMPARE( lIds, QStringList() << "v1" << "v3" );
// all layers
QVERIFY( QgsProcessingUtils::compatibleLayers( nullptr ).isEmpty() );
// sorted
lIds.clear();
Q_FOREACH ( QgsMapLayer *l, QgsProcessingUtils::compatibleLayers( &p ) )
lIds << l->name();
QCOMPARE( lIds, QStringList() << "ar2" << "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" );
}
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" ) );
}
void TestQgsProcessing::context()
{
QgsProcessingContext context;
// simple tests for getters/setters
context.setDefaultEncoding( "my_enc" );
QCOMPARE( context.defaultEncoding(), QStringLiteral( "my_enc" ) );
context.setFlags( QgsProcessingContext::Flags( 0 ) );
QCOMPARE( context.flags(), QgsProcessingContext::Flags( 0 ) );
QgsProject p;
context.setProject( &p );
QCOMPARE( context.project(), &p );
context.setInvalidGeometryCheck( QgsFeatureRequest::GeometrySkipInvalid );
QCOMPARE( context.invalidGeometryCheck(), QgsFeatureRequest::GeometrySkipInvalid );
// layers to load on completion
QgsVectorLayer *v1 = new QgsVectorLayer( "Polygon", "V1", "memory" );
QgsVectorLayer *v2 = new QgsVectorLayer( "Polygon", "V2", "memory" );
QVERIFY( context.layersToLoadOnCompletion().isEmpty() );
QMap< QString, QgsProcessingContext::LayerDetails > layers;
layers.insert( v1->id(), QgsProcessingContext::LayerDetails( QStringLiteral( "v1" ), &p ) );
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" ) );
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().keys().at( 1 ), v2->id() );
QCOMPARE( context.layersToLoadOnCompletion().values().at( 1 ).name, QStringLiteral( "v2" ) );
layers.clear();
layers.insert( v2->id(), QgsProcessingContext::LayerDetails( QStringLiteral( "v2" ), &p ) );
context.setLayersToLoadOnCompletion( layers );
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() );
delete v1;
delete v2;
}
void TestQgsProcessing::mapLayers()
{
QString testDataDir = QStringLiteral( TEST_DATA_DIR ) + '/'; //defined in CmakeLists.txt
QString raster = testDataDir + "landsat.tif";
QString vector = testDataDir + "points.shp";
// test loadMapLayerFromString with raster
QgsMapLayer *l = QgsProcessingUtils::loadMapLayerFromString( raster );
QVERIFY( l->isValid() );
QCOMPARE( l->type(), QgsMapLayer::RasterLayer );
delete l;
//test with vector
l = QgsProcessingUtils::loadMapLayerFromString( vector );
QVERIFY( l->isValid() );
QCOMPARE( l->type(), QgsMapLayer::VectorLayer );
delete l;
l = QgsProcessingUtils::loadMapLayerFromString( QString() );
QVERIFY( !l );
l = QgsProcessingUtils::loadMapLayerFromString( QStringLiteral( "so much room for activities!" ) );
QVERIFY( !l );
l = QgsProcessingUtils::loadMapLayerFromString( testDataDir + "multipoint.shp" );
QVERIFY( l->isValid() );
QCOMPARE( l->type(), QgsMapLayer::VectorLayer );
delete l;
}
void TestQgsProcessing::mapLayerFromStore()
{
// test mapLayerFromStore
QgsMapLayerStore store;
// 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";
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() );
QgsVectorLayer *v1 = new QgsVectorLayer( "Polygon", "V4", "memory" );
QgsVectorLayer *v2 = new QgsVectorLayer( "Point", "v1", "memory" );
store.addMapLayers( QList<QgsMapLayer *>() << r1 << r2 << v1 << v2 );
QVERIFY( ! QgsProcessingUtils::mapLayerFromStore( QString(), nullptr ) );
QVERIFY( ! QgsProcessingUtils::mapLayerFromStore( QStringLiteral( "v1" ), nullptr ) );
QVERIFY( ! QgsProcessingUtils::mapLayerFromStore( QString(), &store ) );
QCOMPARE( QgsProcessingUtils::mapLayerFromStore( raster1, &store ), r1 );
QCOMPARE( QgsProcessingUtils::mapLayerFromStore( raster2, &store ), r2 );
QCOMPARE( QgsProcessingUtils::mapLayerFromStore( "R1", &store ), r1 );
QCOMPARE( QgsProcessingUtils::mapLayerFromStore( "ar2", &store ), r2 );
QCOMPARE( QgsProcessingUtils::mapLayerFromStore( "V4", &store ), v1 );
QCOMPARE( QgsProcessingUtils::mapLayerFromStore( "v1", &store ), v2 );
QCOMPARE( QgsProcessingUtils::mapLayerFromStore( r1->id(), &store ), r1 );
QCOMPARE( QgsProcessingUtils::mapLayerFromStore( v1->id(), &store ), v1 );
}
void TestQgsProcessing::mapLayerFromString()
{
// test mapLayerFromString
QgsProcessingContext c;
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";
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() );
QgsVectorLayer *v1 = new QgsVectorLayer( "Polygon", "V4", "memory" );
QgsVectorLayer *v2 = new QgsVectorLayer( "Point", "v1", "memory" );
p.addMapLayers( QList<QgsMapLayer *>() << r1 << r2 << v1 << v2 );
// no project set yet
QVERIFY( ! QgsProcessingUtils::mapLayerFromString( QString(), c ) );
QVERIFY( ! QgsProcessingUtils::mapLayerFromString( QStringLiteral( "v1" ), c ) );
c.setProject( &p );
// layers from current project
QVERIFY( ! QgsProcessingUtils::mapLayerFromString( QString(), c ) );
QCOMPARE( QgsProcessingUtils::mapLayerFromString( raster1, c ), r1 );
QCOMPARE( QgsProcessingUtils::mapLayerFromString( raster2, c ), r2 );
QCOMPARE( QgsProcessingUtils::mapLayerFromString( "R1", c ), r1 );
QCOMPARE( QgsProcessingUtils::mapLayerFromString( "ar2", c ), r2 );
QCOMPARE( QgsProcessingUtils::mapLayerFromString( "V4", c ), v1 );
QCOMPARE( QgsProcessingUtils::mapLayerFromString( "v1", c ), v2 );
QCOMPARE( QgsProcessingUtils::mapLayerFromString( r1->id(), c ), r1 );
QCOMPARE( QgsProcessingUtils::mapLayerFromString( v1->id(), c ), v1 );
// check that layers in context temporary store are used
QgsVectorLayer *v5 = new QgsVectorLayer( "Polygon", "V5", "memory" );
QgsVectorLayer *v6 = new QgsVectorLayer( "Point", "v6", "memory" );
c.temporaryLayerStore()->addMapLayers( QList<QgsMapLayer *>() << v5 << v6 );
QCOMPARE( QgsProcessingUtils::mapLayerFromString( "V5", c ), v5 );
QCOMPARE( QgsProcessingUtils::mapLayerFromString( "v6", c ), v6 );
QCOMPARE( QgsProcessingUtils::mapLayerFromString( v5->id(), c ), v5 );
QCOMPARE( QgsProcessingUtils::mapLayerFromString( v6->id(), c ), v6 );
QVERIFY( ! QgsProcessingUtils::mapLayerFromString( "aaaaa", c ) );
// if specified, check that layers can be loaded
QVERIFY( ! QgsProcessingUtils::mapLayerFromString( "aaaaa", c ) );
QString newRaster = testDataDir + "requires_warped_vrt.tif";
// don't allow loading
QVERIFY( ! QgsProcessingUtils::mapLayerFromString( newRaster, c, false ) );
// allow loading
QgsMapLayer *loadedLayer = QgsProcessingUtils::mapLayerFromString( newRaster, c, true );
QVERIFY( loadedLayer->isValid() );
QCOMPARE( loadedLayer->type(), QgsMapLayer::RasterLayer );
// should now be in temporary store
QCOMPARE( c.temporaryLayerStore()->mapLayer( loadedLayer->id() ), loadedLayer );
// since it's now in temporary store, should be accessible even if we deny loading new layers
QCOMPARE( QgsProcessingUtils::mapLayerFromString( newRaster, c, false ), loadedLayer );
}
void TestQgsProcessing::algorithm()
{
DummyAlgorithm alg( "test" );
DummyProvider *p = new DummyProvider( "p1" );
QCOMPARE( alg.id(), QString( "test" ) );
alg.setProvider( p );
QCOMPARE( alg.provider(), p );
QCOMPARE( alg.id(), QString( "p1:test" ) );
QVERIFY( p->algorithms().isEmpty() );
QSignalSpy providerRefreshed( p, &DummyProvider::algorithmsLoaded );
p->refreshAlgorithms();
QCOMPARE( providerRefreshed.count(), 1 );
for ( int i = 0; i < 2; ++i )
{
QCOMPARE( p->algorithms().size(), 2 );
QCOMPARE( p->algorithm( "alg1" )->name(), QStringLiteral( "alg1" ) );
QCOMPARE( p->algorithm( "alg1" )->provider(), p );
QCOMPARE( p->algorithm( "alg2" )->provider(), p );
QCOMPARE( p->algorithm( "alg2" )->name(), QStringLiteral( "alg2" ) );
QVERIFY( !p->algorithm( "aaaa" ) );
QVERIFY( p->algorithms().contains( p->algorithm( "alg1" ) ) );
QVERIFY( p->algorithms().contains( p->algorithm( "alg2" ) ) );
// reload, then retest on next loop
// must be safe for providers to reload their algorithms
p->refreshAlgorithms();
QCOMPARE( providerRefreshed.count(), 2 + i );
}
QgsProcessingRegistry r;
r.addProvider( p );
QCOMPARE( r.algorithms().size(), 2 );
QVERIFY( r.algorithms().contains( p->algorithm( "alg1" ) ) );
QVERIFY( r.algorithms().contains( p->algorithm( "alg2" ) ) );
// algorithmById
QCOMPARE( r.algorithmById( "p1:alg1" ), p->algorithm( "alg1" ) );
QCOMPARE( r.algorithmById( "p1:alg2" ), p->algorithm( "alg2" ) );
QVERIFY( !r.algorithmById( "p1:alg3" ) );
QVERIFY( !r.algorithmById( "px:alg1" ) );
//test that loading a provider triggers an algorithm refresh
DummyProvider *p2 = new DummyProvider( "p2" );
QVERIFY( p2->algorithms().isEmpty() );
p2->load();
QCOMPARE( p2->algorithms().size(), 2 );
// test that adding a provider to the registry automatically refreshes algorithms (via load)
DummyProvider *p3 = new DummyProvider( "p3" );
QVERIFY( p3->algorithms().isEmpty() );
r.addProvider( p3 );
QCOMPARE( p3->algorithms().size(), 2 );
}
void TestQgsProcessing::features()
{
QgsVectorLayer *layer = new QgsVectorLayer( "Point", "v1", "memory" );
for ( int i = 1; i < 6; ++i )
{
QgsFeature f( i );
f.setGeometry( QgsGeometry( new QgsPoint( 1, 2 ) ) );
layer->dataProvider()->addFeatures( QgsFeatureList() << f );
}
QgsProject p;
p.addMapLayer( layer );
QgsProcessingContext context;
context.setProject( &p );
// disable check for geometry validity
context.setFlags( QgsProcessingContext::Flags( 0 ) );
std::function< QgsFeatureIds( QgsFeatureIterator it ) > getIds = []( QgsFeatureIterator it )
{
QgsFeature f;
QgsFeatureIds ids;
while ( it.nextFeature( f ) )
{
ids << f.id();
}
return ids;
};
std::unique_ptr< QgsProcessingParameterDefinition > def( new QgsProcessingParameterString( QStringLiteral( "layer" ) ) );
QVariantMap params;
params.insert( QStringLiteral( "layer" ), layer->id() );
std::unique_ptr< QgsFeatureSource > source( QgsProcessingParameters::parameterAsSource( def.get(), params, context ) );
// test with all features
QgsFeatureIds ids = getIds( source->getFeatures() );
QCOMPARE( ids, QgsFeatureIds() << 1 << 2 << 3 << 4 << 5 );
QCOMPARE( source->featureCount(), 5L );
// test with selected features
params.insert( QStringLiteral( "layer" ), QVariant::fromValue( QgsProcessingFeatureSourceDefinition( layer->id(), true ) ) );
layer->selectByIds( QgsFeatureIds() << 2 << 4 );
source.reset( QgsProcessingParameters::parameterAsSource( def.get(), params, context ) );
ids = getIds( source->getFeatures() );
QCOMPARE( ids, QgsFeatureIds() << 2 << 4 );
QCOMPARE( source->featureCount(), 2L );
// selection, but not using selected features
params.insert( QStringLiteral( "layer" ), QVariant::fromValue( QgsProcessingFeatureSourceDefinition( layer->id(), false ) ) );
layer->selectByIds( QgsFeatureIds() << 2 << 4 );
source.reset( QgsProcessingParameters::parameterAsSource( def.get(), params, context ) );
ids = getIds( source->getFeatures() );
QCOMPARE( ids, QgsFeatureIds() << 1 << 2 << 3 << 4 << 5 );
QCOMPARE( source->featureCount(), 5L );
// using selected features, but no selection
params.insert( QStringLiteral( "layer" ), QVariant::fromValue( QgsProcessingFeatureSourceDefinition( layer->id(), true ) ) );
layer->removeSelection();
source.reset( QgsProcessingParameters::parameterAsSource( def.get(), params, context ) );
ids = getIds( source->getFeatures() );
QVERIFY( ids.isEmpty() );
QCOMPARE( source->featureCount(), 0L );
// test that feature request is honored
params.insert( QStringLiteral( "layer" ), QVariant::fromValue( QgsProcessingFeatureSourceDefinition( layer->id(), false ) ) );
source.reset( QgsProcessingParameters::parameterAsSource( def.get(), params, context ) );
ids = getIds( source->getFeatures( QgsFeatureRequest().setFilterFids( QgsFeatureIds() << 1 << 3 << 5 ) ) );
QCOMPARE( ids, QgsFeatureIds() << 1 << 3 << 5 );
// count is only rough - but we expect (for now) to see full layer count
QCOMPARE( source->featureCount(), 5L );
//test that feature request is honored when using selections
params.insert( QStringLiteral( "layer" ), QVariant::fromValue( QgsProcessingFeatureSourceDefinition( layer->id(), true ) ) );
layer->selectByIds( QgsFeatureIds() << 2 << 4 );
source.reset( QgsProcessingParameters::parameterAsSource( def.get(), params, context ) );
ids = getIds( source->getFeatures( QgsFeatureRequest().setFlags( QgsFeatureRequest::NoGeometry ) ) );
QCOMPARE( ids, QgsFeatureIds() << 2 << 4 );
// test callback is hit when filtering invalid geoms
bool encountered = false;
std::function< void( const QgsFeature & ) > callback = [ &encountered ]( const QgsFeature & )
{
encountered = true;
};
context.setInvalidGeometryCheck( QgsFeatureRequest::GeometryAbortOnInvalid );
context.setInvalidGeometryCallback( callback );
QgsVectorLayer *polyLayer = new QgsVectorLayer( "Polygon", "v2", "memory" );
QgsFeature f;
f.setGeometry( QgsGeometry::fromWkt( QStringLiteral( "Polygon((0 0, 1 0, 0 1, 1 1, 0 0))" ) ) );
polyLayer->dataProvider()->addFeatures( QgsFeatureList() << f );
p.addMapLayer( polyLayer );
params.insert( QStringLiteral( "layer" ), polyLayer->id() );
source.reset( QgsProcessingParameters::parameterAsSource( def.get(), params, context ) );
ids = getIds( source->getFeatures() );
QVERIFY( encountered );
encountered = false;
context.setInvalidGeometryCheck( QgsFeatureRequest::GeometryNoCheck );
source.reset( QgsProcessingParameters::parameterAsSource( def.get(), params, context ) );
ids = getIds( source->getFeatures() );
QVERIFY( !encountered );
}
void TestQgsProcessing::uniqueValues()
{
QgsVectorLayer *layer = new QgsVectorLayer( "Point?field=a:integer&field=b:string", "v1", "memory" );
for ( int i = 0; i < 6; ++i )
{
QgsFeature f( i );
f.setAttributes( QgsAttributes() << i % 3 + 1 << QString( QChar( ( i % 3 ) + 65 ) ) );
layer->dataProvider()->addFeatures( QgsFeatureList() << f );
}
QgsProcessingContext context;
context.setFlags( QgsProcessingContext::Flags( 0 ) );
QgsProject p;
p.addMapLayer( layer );
context.setProject( &p );
std::unique_ptr< QgsProcessingParameterDefinition > def( new QgsProcessingParameterString( QStringLiteral( "layer" ) ) );
QVariantMap params;
params.insert( QStringLiteral( "layer" ), layer->id() );
std::unique_ptr< QgsFeatureSource > source( QgsProcessingParameters::parameterAsSource( def.get(), params, context ) );
// some bad checks
QVERIFY( source->uniqueValues( -1 ).isEmpty() );
QVERIFY( source->uniqueValues( 10001 ).isEmpty() );
// good checks
QSet< QVariant > vals = source->uniqueValues( 0 );
QCOMPARE( vals.count(), 3 );
QVERIFY( vals.contains( 1 ) );
QVERIFY( vals.contains( 2 ) );
QVERIFY( vals.contains( 3 ) );
vals = source->uniqueValues( 1 );
QCOMPARE( vals.count(), 3 );
QVERIFY( vals.contains( QString( "A" ) ) );
QVERIFY( vals.contains( QString( "B" ) ) );
QVERIFY( vals.contains( QString( "C" ) ) );
//using only selected features
layer->selectByIds( QgsFeatureIds() << 1 << 2 << 4 );
// but not using selection yet...
source.reset( QgsProcessingParameters::parameterAsSource( def.get(), params, context ) );
vals = source->uniqueValues( 0 );
QCOMPARE( vals.count(), 3 );
QVERIFY( vals.contains( 1 ) );
QVERIFY( vals.contains( 2 ) );
QVERIFY( vals.contains( 3 ) );
vals = source->uniqueValues( 1 );
QCOMPARE( vals.count(), 3 );
QVERIFY( vals.contains( QString( "A" ) ) );
QVERIFY( vals.contains( QString( "B" ) ) );
QVERIFY( vals.contains( QString( "C" ) ) );
// selection and using selection
params.insert( QStringLiteral( "layer" ), QVariant::fromValue( QgsProcessingFeatureSourceDefinition( layer->id(), true ) ) );
source.reset( QgsProcessingParameters::parameterAsSource( def.get(), params, context ) );
QVERIFY( source->uniqueValues( -1 ).isEmpty() );
QVERIFY( source->uniqueValues( 10001 ).isEmpty() );
vals = source->uniqueValues( 0 );
QCOMPARE( vals.count(), 2 );
QVERIFY( vals.contains( 1 ) );
QVERIFY( vals.contains( 2 ) );
vals = source->uniqueValues( 1 );
QCOMPARE( vals.count(), 2 );
QVERIFY( vals.contains( QString( "A" ) ) );
QVERIFY( vals.contains( QString( "B" ) ) );
}
void TestQgsProcessing::createIndex()
{
QgsVectorLayer *layer = new QgsVectorLayer( "Point", "v1", "memory" );
for ( int i = 1; i < 6; ++i )
{
QgsFeature f( i );
f.setGeometry( QgsGeometry( new QgsPoint( i, 2 ) ) );
layer->dataProvider()->addFeatures( QgsFeatureList() << f );
}
QgsProcessingContext context;
QgsProject p;
p.addMapLayer( layer );
context.setProject( &p );
std::unique_ptr< QgsProcessingParameterDefinition > def( new QgsProcessingParameterString( QStringLiteral( "layer" ) ) );
QVariantMap params;
params.insert( QStringLiteral( "layer" ), layer->id() );
// disable selected features check
std::unique_ptr< QgsFeatureSource > source( QgsProcessingParameters::parameterAsSource( def.get(), params, context ) );
QVERIFY( source.get() );
QgsSpatialIndex index( *source.get() );
QList<QgsFeatureId> ids = index.nearestNeighbor( QgsPointXY( 2.1, 2 ), 1 );
QCOMPARE( ids, QList<QgsFeatureId>() << 2 );