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test_orderedrelationmodel.cpp
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test_orderedrelationmodel.cpp
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#include "orderedrelationmodel.h"
#include "qfield_testbase.h"
#include <QtTest>
#include <qgsapplication.h>
#include <qgsproject.h>
#include <qgsrelationmanager.h>
#include <qgsvectorlayer.h>
class TestOrderedRelationModel : public QObject
{
Q_OBJECT
private slots:
void init()
{
//create layers
mReferencingLayer.reset( new QgsVectorLayer( QStringLiteral( "NoGeometry?field=id:integer&field=foreignkey:integer&field=rank:integer" ), QStringLiteral( "king" ), QStringLiteral( "memory" ) ) );
mReferencingLayer->setDisplayExpression( "name" );
QVERIFY( mReferencingLayer->isValid() );
QgsProject::instance()->addMapLayer( mReferencingLayer.get(), false, false );
mReferencedLayer.reset( new QgsVectorLayer( QStringLiteral( "NoGeometry?field=id:integer" ), QStringLiteral( "land" ), QStringLiteral( "memory" ) ) );
mReferencedLayer->setDisplayExpression( "name" );
QVERIFY( mReferencedLayer->isValid() );
QgsProject::instance()->addMapLayer( mReferencedLayer.get(), false, false );
//create relations
mRelation.setId( QStringLiteral( "referenced.referencing" ) );
mRelation.setName( QStringLiteral( "referenced.referencing" ) );
mRelation.setReferencingLayer( mReferencingLayer->id() );
mRelation.setReferencedLayer( mReferencedLayer->id() );
mRelation.addFieldPair( QStringLiteral( "foreignkey" ), QStringLiteral( "id" ) );
QVERIFY( mRelation.isValid() );
QgsProject::instance()->relationManager()->addRelation( mRelation );
// add features to the referencing layer
QgsFeature referencing_f1( mReferencingLayer->fields() );
referencing_f1.setAttribute( QStringLiteral( "id" ), 1 );
referencing_f1.setAttribute( QStringLiteral( "foreignkey" ), 1 );
referencing_f1.setAttribute( QStringLiteral( "rank" ), 1 );
QgsFeature referencing_f2( mReferencingLayer->fields() );
referencing_f2.setAttribute( QStringLiteral( "id" ), 2 );
referencing_f2.setAttribute( QStringLiteral( "foreignkey" ), 1 );
referencing_f2.setAttribute( QStringLiteral( "rank" ), 2 );
QgsFeature referencing_f3( mReferencingLayer->fields() );
referencing_f3.setAttribute( QStringLiteral( "id" ), 3 );
referencing_f3.setAttribute( QStringLiteral( "foreignkey" ), 1 );
referencing_f3.setAttribute( QStringLiteral( "rank" ), 3 );
QgsFeature referencing_f4( mReferencingLayer->fields() );
referencing_f4.setAttribute( QStringLiteral( "id" ), 4 );
referencing_f4.setAttribute( QStringLiteral( "foreignkey" ), 1 );
referencing_f4.setAttribute( QStringLiteral( "rank" ), 4 );
mReferencingLayer->startEditing();
mReferencingLayer->addFeature( referencing_f1 );
mReferencingLayer->addFeature( referencing_f2 );
mReferencingLayer->addFeature( referencing_f3 );
mReferencingLayer->addFeature( referencing_f4 );
mReferencingLayer->commitChanges();
QCOMPARE( mReferencingLayer->featureCount(), 4L );
// add features to the referenced layer
QgsFeature referenced_ft1( mReferencedLayer->fields() );
referenced_ft1.setAttribute( QStringLiteral( "id" ), 1 );
mReferencedLayer->startEditing();
mReferencedLayer->addFeature( referenced_ft1 );
mReferencedLayer->commitChanges();
QCOMPARE( mReferencedLayer->featureCount(), 1L );
mModel = new OrderedRelationModel();
}
void cleanup()
{
delete mModel;
QgsProject::instance()->removeMapLayer( mReferencedLayer.get() );
QgsProject::instance()->removeMapLayer( mReferencingLayer.get() );
}
void testDeleteFeature()
{
QCOMPARE( mModel->rowCount(), 0 );
mModel->setRelation( mRelation );
mModel->setOrderingField( QStringLiteral( "rank" ) );
mModel->setFeature( mReferencedLayer->getFeature( 1 ) );
QVERIFY( QSignalSpy( mModel, &ReferencingFeatureListModel::modelUpdated ).wait( 1000 ) );
QCOMPARE( mModel->rowCount(), 4 );
QVERIFY( mModel->deleteFeature( 2 ) );
QVERIFY( QSignalSpy( mModel, &ReferencingFeatureListModel::modelUpdated ).wait( 1000 ) );
QCOMPARE( mModel->rowCount(), 3 );
QVERIFY( !mReferencingLayer->getFeature( 2 ).isValid() );
QCOMPARE( mReferencingLayer->getFeature( 1 ).attribute( QStringLiteral( "rank" ) ).toInt(), 1 );
QCOMPARE( mReferencingLayer->getFeature( 3 ).attribute( QStringLiteral( "rank" ) ).toInt(), 2 );
QCOMPARE( mReferencingLayer->getFeature( 4 ).attribute( QStringLiteral( "rank" ) ).toInt(), 3 );
}
void testMoveFeature()
{
QCOMPARE( mModel->rowCount(), 0 );
mModel->setRelation( mRelation );
mModel->setOrderingField( QStringLiteral( "rank" ) );
mModel->setFeature( mReferencedLayer->getFeature( 1 ) );
QVERIFY( QSignalSpy( mModel, &ReferencingFeatureListModel::modelUpdated ).wait( 1000 ) );
QCOMPARE( mModel->rowCount(), 4 );
// try to move items out of range
QVERIFY( !mModel->moveItems( 2, 40 ) );
QCOMPARE( mReferencingLayer->getFeature( 1 ).attribute( QStringLiteral( "rank" ) ).toInt(), 1 );
QCOMPARE( mReferencingLayer->getFeature( 2 ).attribute( QStringLiteral( "rank" ) ).toInt(), 2 );
QCOMPARE( mReferencingLayer->getFeature( 3 ).attribute( QStringLiteral( "rank" ) ).toInt(), 3 );
QCOMPARE( mReferencingLayer->getFeature( 4 ).attribute( QStringLiteral( "rank" ) ).toInt(), 4 );
// try to move items out of range
QVERIFY( !mModel->moveItems( -2, 2 ) );
QCOMPARE( mReferencingLayer->getFeature( 1 ).attribute( QStringLiteral( "rank" ) ).toInt(), 1 );
QCOMPARE( mReferencingLayer->getFeature( 2 ).attribute( QStringLiteral( "rank" ) ).toInt(), 2 );
QCOMPARE( mReferencingLayer->getFeature( 3 ).attribute( QStringLiteral( "rank" ) ).toInt(), 3 );
QCOMPARE( mReferencingLayer->getFeature( 4 ).attribute( QStringLiteral( "rank" ) ).toInt(), 4 );
QVERIFY( mModel->moveItems( 1, 3 ) );
QVERIFY( QSignalSpy( mModel, &ReferencingFeatureListModel::modelUpdated ).wait( 1000 ) );
QCOMPARE( mModel->rowCount(), 4 );
QCOMPARE( mReferencingLayer->getFeature( 1 ).attribute( QStringLiteral( "rank" ) ).toInt(), 1 );
QCOMPARE( mReferencingLayer->getFeature( 2 ).attribute( QStringLiteral( "rank" ) ).toInt(), 4 );
QCOMPARE( mReferencingLayer->getFeature( 3 ).attribute( QStringLiteral( "rank" ) ).toInt(), 2 );
QCOMPARE( mReferencingLayer->getFeature( 4 ).attribute( QStringLiteral( "rank" ) ).toInt(), 3 );
// check feature ordering
QCOMPARE( mModel->data( mModel->index( 0, 0 ), OrderedRelationModel::FeatureIdRole ), 1 );
QCOMPARE( mModel->data( mModel->index( 1, 0 ), OrderedRelationModel::FeatureIdRole ), 3 );
QCOMPARE( mModel->data( mModel->index( 2, 0 ), OrderedRelationModel::FeatureIdRole ), 4 );
QCOMPARE( mModel->data( mModel->index( 3, 0 ), OrderedRelationModel::FeatureIdRole ), 2 );
}
private:
std::unique_ptr<QgsVectorLayer> mReferencedLayer;
std::unique_ptr<QgsVectorLayer> mReferencingLayer;
QgsRelation mRelation;
OrderedRelationModel *mModel;
};
QFIELDTEST_MAIN( TestOrderedRelationModel )
#include "test_orderedrelationmodel.moc"