def _to_json(key: str, project: QgsProject): return dict( key=key, filename=project.fileName(), last_modified=project.lastModified().toString(Qt.ISODate), num_layers=project.count(), )
def testStyles(self): """Test that styles for rasters and vectors are kept when setDataSource is called""" options = QgsDataProvider.ProviderOptions() temp_dir = QTemporaryDir() p = QgsProject.instance() for f in ( 'bad_layer_raster_test.tfw', 'bad_layer_raster_test.tiff', 'bad_layer_raster_test.tiff.aux.xml', 'bad_layers_test.gpkg', 'good_layers_test.qgs'): copyfile(os.path.join(TEST_DATA_DIR, 'projects', f), os.path.join(temp_dir.path(), f)) project_path = os.path.join(temp_dir.path(), 'good_layers_test.qgs') p = QgsProject().instance() self.assertTrue(p.read(project_path)) self.assertEqual(p.count(), 3) ms = self.getBaseMapSettings() point_a = list(p.mapLayersByName('point_a'))[0] point_b = list(p.mapLayersByName('point_b'))[0] raster = list(p.mapLayersByName('bad_layer_raster_test'))[0] self.assertTrue(point_a.isValid()) self.assertTrue(point_b.isValid()) self.assertTrue(raster.isValid()) ms.setExtent(QgsRectangle(2.81861, 41.98138, 2.81952, 41.9816)) ms.setLayers([point_a, point_b, raster]) image = renderMapToImage(ms) print(os.path.join(temp_dir.path(), 'expected.png')) self.assertTrue(image.save(os.path.join(temp_dir.path(), 'expected.png'), 'PNG')) point_a_source = point_a.publicSource() point_b_source = point_b.publicSource() raster_source = raster.publicSource() point_a.setDataSource(point_a_source, point_a.name(), 'ogr', options) point_b.setDataSource(point_b_source, point_b.name(), 'ogr', options) raster.setDataSource(raster_source, raster.name(), 'gdal', options) self.assertTrue(image.save(os.path.join(temp_dir.path(), 'actual.png'), 'PNG')) self.assertTrue(filecmp.cmp(os.path.join(temp_dir.path(), 'actual.png'), os.path.join(temp_dir.path(), 'expected.png')), False) # Now build a bad project bad_project_path = os.path.join(temp_dir.path(), 'bad_layers_test.qgs') with open(project_path, 'r') as infile: with open(bad_project_path, 'w+') as outfile: outfile.write(infile.read().replace('./bad_layers_test.', './bad_layers_test-BAD_SOURCE.').replace('bad_layer_raster_test.tiff', 'bad_layer_raster_test-BAD_SOURCE.tiff')) self.assertTrue(p.read(bad_project_path)) self.assertEqual(p.count(), 3) point_a = list(p.mapLayersByName('point_a'))[0] point_b = list(p.mapLayersByName('point_b'))[0] raster = list(p.mapLayersByName('bad_layer_raster_test'))[0] self.assertFalse(point_a.isValid()) self.assertFalse(point_b.isValid()) self.assertFalse(raster.isValid()) point_a.setDataSource(point_a_source, point_a.name(), 'ogr', options) point_b.setDataSource(point_b_source, point_b.name(), 'ogr', options) raster.setDataSource(raster_source, raster.name(), 'gdal', options) self.assertTrue(image.save(os.path.join(temp_dir.path(), 'actual_fixed.png'), 'PNG')) self.assertTrue(filecmp.cmp(os.path.join(temp_dir.path(), 'actual_fixed.png'), os.path.join(temp_dir.path(), 'expected.png')), False)
def testStyles(self): """Test that styles for rasters and vectors are kept when setDataSource is called""" temp_dir = QTemporaryDir() p = QgsProject.instance() for f in ('bad_layer_raster_test.tfw', 'bad_layer_raster_test.tiff', 'bad_layer_raster_test.tiff.aux.xml', 'bad_layers_test.gpkg', 'good_layers_test.qgs'): copyfile(os.path.join(TEST_DATA_DIR, 'projects', f), os.path.join(temp_dir.path(), f)) project_path = os.path.join(temp_dir.path(), 'good_layers_test.qgs') p = QgsProject().instance() p.removeAllMapLayers() self.assertTrue(p.read(project_path)) self.assertEqual(p.count(), 4) ms = self.getBaseMapSettings() point_a_copy = list(p.mapLayersByName('point_a copy'))[0] point_a = list(p.mapLayersByName('point_a'))[0] point_b = list(p.mapLayersByName('point_b'))[0] raster = list(p.mapLayersByName('bad_layer_raster_test'))[0] self.assertTrue(point_a_copy.isValid()) self.assertTrue(point_a.isValid()) self.assertTrue(point_b.isValid()) self.assertTrue(raster.isValid()) ms.setExtent(QgsRectangle(2.81861, 41.98138, 2.81952, 41.9816)) ms.setLayers([point_a_copy, point_a, point_b, raster]) image = renderMapToImage(ms) self.assertTrue( image.save(os.path.join(temp_dir.path(), 'expected.png'), 'PNG')) point_a_source = point_a.publicSource() point_b_source = point_b.publicSource() raster_source = raster.publicSource() self._change_data_source(point_a, point_a_source, 'ogr') # Attention: we are not passing the subset string here: self._change_data_source(point_a_copy, point_a_source, 'ogr') self._change_data_source(point_b, point_b_source, 'ogr') self._change_data_source(raster, raster_source, 'gdal') self.assertTrue( image.save(os.path.join(temp_dir.path(), 'actual.png'), 'PNG')) self.assertTrue( filecmp.cmp(os.path.join(temp_dir.path(), 'actual.png'), os.path.join(temp_dir.path(), 'expected.png')), False) # Now build a bad project p.removeAllMapLayers() bad_project_path = os.path.join(temp_dir.path(), 'bad_layers_test.qgs') with open(project_path, 'r') as infile: with open(bad_project_path, 'w+') as outfile: outfile.write(infile.read().replace( './bad_layers_test.', './bad_layers_test-BAD_SOURCE.').replace( 'bad_layer_raster_test.tiff', 'bad_layer_raster_test-BAD_SOURCE.tiff')) p.removeAllMapLayers() self.assertTrue(p.read(bad_project_path)) self.assertEqual(p.count(), 4) point_a_copy = list(p.mapLayersByName('point_a copy'))[0] point_a = list(p.mapLayersByName('point_a'))[0] point_b = list(p.mapLayersByName('point_b'))[0] raster = list(p.mapLayersByName('bad_layer_raster_test'))[0] self.assertFalse(point_a.isValid()) self.assertFalse(point_a_copy.isValid()) self.assertFalse(point_b.isValid()) self.assertFalse(raster.isValid()) ms.setLayers([point_a_copy, point_a, point_b, raster]) image = renderMapToImage(ms) self.assertTrue( image.save(os.path.join(temp_dir.path(), 'bad.png'), 'PNG')) self.assertFalse( filecmp.cmp(os.path.join(temp_dir.path(), 'bad.png'), os.path.join(temp_dir.path(), 'expected.png')), False) self._change_data_source(point_a, point_a_source, 'ogr') # We are not passing the subset string!! self._change_data_source(point_a_copy, point_a_source, 'ogr') self._change_data_source(point_b, point_b_source, 'ogr') self._change_data_source(raster, raster_source, 'gdal') self.assertTrue(point_a.isValid()) self.assertTrue(point_a_copy.isValid()) self.assertTrue(point_b.isValid()) self.assertTrue(raster.isValid()) ms.setLayers([point_a_copy, point_a, point_b, raster]) image = renderMapToImage(ms) self.assertTrue( image.save(os.path.join(temp_dir.path(), 'actual_fixed.png'), 'PNG')) self.assertTrue( filecmp.cmp(os.path.join(temp_dir.path(), 'actual_fixed.png'), os.path.join(temp_dir.path(), 'expected.png')), False)