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| 1 | +/*************************************************************************** |
| 2 | + testqgsrasterlayersavesdialog.cpp |
| 3 | + -------------------------------------- |
| 4 | + Date : May 2019 |
| 5 | + Copyright : (C) 2019 Alessandro Pasotti |
| 6 | + Email : elpaso at itopen dot it |
| 7 | + *************************************************************************** |
| 8 | + * * |
| 9 | + * This program is free software; you can redistribute it and/or modify * |
| 10 | + * it under the terms of the GNU General Public License as published by * |
| 11 | + * the Free Software Foundation; either version 2 of the License, or * |
| 12 | + * (at your option) any later version. * |
| 13 | + * * |
| 14 | + ***************************************************************************/ |
| 15 | + |
| 16 | + |
| 17 | +#include "qgstest.h" |
| 18 | + |
| 19 | +#include "qgsrasterlayersaveasdialog.h" |
| 20 | +#include "qgsvectorfilewriter.h" |
| 21 | +#include "qgsvectorlayer.h" |
| 22 | +#include "qgsrasterlayer.h" |
| 23 | +#include "qgsrasterfilewriter.h" |
| 24 | + |
| 25 | +#include "qgsgui.h" |
| 26 | + |
| 27 | +class TestQgsRasterLayerSaveAsDialog : public QObject |
| 28 | +{ |
| 29 | + Q_OBJECT |
| 30 | + public: |
| 31 | + TestQgsRasterLayerSaveAsDialog() = default; |
| 32 | + |
| 33 | + private slots: |
| 34 | + void initTestCase(); // will be called before the first testfunction is executed. |
| 35 | + void cleanupTestCase(); // will be called after the last testfunction was executed. |
| 36 | + void init(); // will be called before each testfunction is executed. |
| 37 | + void cleanup(); // will be called after every testfunction. |
| 38 | + void outputLayerExists(); |
| 39 | + |
| 40 | + private: |
| 41 | + |
| 42 | + QString prepareDb(); |
| 43 | + |
| 44 | +}; |
| 45 | + |
| 46 | +void TestQgsRasterLayerSaveAsDialog::initTestCase() |
| 47 | +{ |
| 48 | + QgsApplication::init(); |
| 49 | + QgsApplication::initQgis(); |
| 50 | +} |
| 51 | + |
| 52 | +void TestQgsRasterLayerSaveAsDialog::cleanupTestCase() |
| 53 | +{ |
| 54 | + QgsApplication::exitQgis(); |
| 55 | +} |
| 56 | + |
| 57 | +void TestQgsRasterLayerSaveAsDialog::init() |
| 58 | +{ |
| 59 | +} |
| 60 | + |
| 61 | +void TestQgsRasterLayerSaveAsDialog::cleanup() |
| 62 | +{ |
| 63 | +} |
| 64 | + |
| 65 | +void TestQgsRasterLayerSaveAsDialog::outputLayerExists() |
| 66 | +{ |
| 67 | + QString fileName { prepareDb() }; |
| 68 | + |
| 69 | + // Try to add a raster layer to the DB |
| 70 | + QString dataDir( TEST_DATA_DIR ); //defined in CmakeLists.txt |
| 71 | + QString rasterPath { dataDir + "/landsat.tif" }; |
| 72 | + |
| 73 | + QgsRasterLayer rl( rasterPath, QStringLiteral( "my_raster" ) ); |
| 74 | + QVERIFY( rl.isValid() ); |
| 75 | + |
| 76 | + QgsRasterLayerSaveAsDialog d( &rl, rl.dataProvider(), rl.extent(), rl.crs(), rl.crs() ); |
| 77 | + d.mFormatComboBox->setCurrentIndex( d.mFormatComboBox->findData( QStringLiteral( "GPKG" ) ) ); |
| 78 | + QCOMPARE( d.mFormatComboBox->currentData().toString(), QString( "GPKG" ) ); |
| 79 | + QVERIFY( ! d.outputLayerExists() ); |
| 80 | + d.mFilename->setFilePath( fileName ); |
| 81 | + d.mLayerName->setText( QStringLiteral( "my_imported_raster" ) ); |
| 82 | + QVERIFY( ! d.outputLayerExists() ); |
| 83 | + |
| 84 | + // Write the raster into the destination file |
| 85 | + auto pipe { *rl.pipe() }; |
| 86 | + auto rasterUri { QStringLiteral( "GPKG:%1:%2" ).arg( d.outputFileName() ).arg( d.outputLayerName() ) }; |
| 87 | + auto fileWriter { QgsRasterFileWriter( d.outputFileName() ) }; |
| 88 | + fileWriter.setCreateOptions( d.createOptions() ); |
| 89 | + fileWriter.setOutputFormat( d.outputFormat() ); |
| 90 | + fileWriter.setBuildPyramidsFlag( d.buildPyramidsFlag() ); |
| 91 | + fileWriter.setPyramidsList( d.pyramidsList() ); |
| 92 | + fileWriter.setPyramidsResampling( d.pyramidsResamplingMethod() ); |
| 93 | + fileWriter.setPyramidsFormat( d.pyramidsFormat() ); |
| 94 | + fileWriter.setPyramidsConfigOptions( d.pyramidsConfigOptions() ); |
| 95 | + fileWriter.writeRaster( &pipe, 10, 10, rl.extent(), rl.crs(), rl.transformContext() ); |
| 96 | + { |
| 97 | + QVERIFY( QgsRasterLayer( rasterUri, QStringLiteral( "my_raster2" ) ).isValid() ); |
| 98 | + } |
| 99 | + QVERIFY( d.outputLayerExists() ); |
| 100 | +} |
| 101 | + |
| 102 | +QString TestQgsRasterLayerSaveAsDialog::prepareDb() |
| 103 | +{ |
| 104 | + // Preparation: make a test gpk DB with a vector layer in it |
| 105 | + QTemporaryFile tmpFile( QDir::tempPath() + QStringLiteral( "/test_qgsrasterlayersavesdialog_XXXXXX.gpkg" ) ); |
| 106 | + tmpFile.setAutoRemove( false ); |
| 107 | + tmpFile.open(); |
| 108 | + QString fileName( tmpFile.fileName( ) ); |
| 109 | + QgsVectorLayer vl( QStringLiteral( "Point?field=firstfield:string(1024)" ), "test_layer", "memory" ); |
| 110 | + QgsVectorFileWriter w( fileName, |
| 111 | + QStringLiteral( "UTF-8" ), |
| 112 | + vl.fields(), |
| 113 | + QgsWkbTypes::Point, |
| 114 | + vl.crs() ); |
| 115 | + QgsFeature f { vl.fields() }; |
| 116 | + f.setAttribute( 0, QString( 1024, 'x' ) ); |
| 117 | + f.setGeometry( QgsGeometry::fromWkt( QStringLiteral( "point(9 45)" ) ) ); |
| 118 | + vl.startEditing(); |
| 119 | + vl.addFeature( f ); |
| 120 | + QgsVectorFileWriter::SaveVectorOptions options; |
| 121 | + options.driverName = QStringLiteral( "GPKG" ); |
| 122 | + options.layerName = QStringLiteral( "test_layer" ); |
| 123 | + QString errorMessage; |
| 124 | + QgsVectorFileWriter::writeAsVectorFormat( |
| 125 | + &vl, |
| 126 | + fileName, |
| 127 | + options, |
| 128 | + &errorMessage ); |
| 129 | + QgsVectorLayer vl2( QStringLiteral( "%1|layername=test_layer" ).arg( fileName ), "src_test", "ogr" ); |
| 130 | + Q_ASSERT( vl2.isValid() ); |
| 131 | + return tmpFile.fileName( ); |
| 132 | +} |
| 133 | + |
| 134 | +QGSTEST_MAIN( TestQgsRasterLayerSaveAsDialog ) |
| 135 | + |
| 136 | +#include "testqgsrasterlayersavesdialog.moc" |
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