def testVectorOutputs(self): """ Test writing vector outputs """ alg = RAlgorithm(description_file=os.path.join(test_data_path, 'test_vectorout.rsx')) alg.initAlgorithm() context = QgsProcessingContext() feedback = QgsProcessingFeedback() script = alg.build_export_commands( { 'Output': '/home/test/lines.shp', 'OutputCSV': '/home/test/tab.csv' }, context, feedback) self.assertEqual(script, [ 'writeOGR(Output, "/home/test/lines.shp", "lines", driver="ESRI Shapefile")', 'write.csv(OutputCSV, "/home/test/tab.csv", row.names = FALSE)' ]) script = alg.build_export_commands( { 'Output': '/home/test/lines.gpkg', 'OutputCSV': '/home/test/tab.csv' }, context, feedback) self.assertEqual(script, [ 'writeOGR(Output, "/home/test/lines.gpkg", "lines", driver="GPKG")', 'write.csv(OutputCSV, "/home/test/tab.csv", row.names = FALSE)' ])
def runAlgorithm(self): alg = RAlgorithm(description_file=None, script=self.editor.text()) if alg.error is not None: error = QgsError(alg.error, "R") QgsErrorDialog.show(error, self.tr("Execution error") ) return alg.setProvider(QgsApplication.processingRegistry().providerById("r")) alg.initAlgorithm() dlg = alg.createCustomParametersWidget(iface.mainWindow()) if not dlg: dlg = AlgorithmDialog(alg, parent=iface.mainWindow()) canvas = iface.mapCanvas() prevMapTool = canvas.mapTool() dlg.show() if canvas.mapTool() != prevMapTool: if canvas.mapTool(): canvas.mapTool().reset() canvas.setMapTool(prevMapTool)
def testMultiOutputs(self): """ Test writing vector outputs """ alg = RAlgorithm( description_file=os.path.join(test_data_path, 'test_multiout.rsx')) alg.initAlgorithm() context = QgsProcessingContext() feedback = QgsProcessingFeedback() script = alg.build_export_commands( { 'Output': '/home/test/lines.shp', 'OutputCSV': '/home/test/tab.csv', 'OutputFile': '/home/test/file.csv' }, context, feedback) self.assertIn( 'writeOGR(Output, "/home/test/lines.shp", "lines", driver="ESRI Shapefile")', script) self.assertIn( 'write.csv(OutputCSV, "/home/test/tab.csv", row.names = FALSE)', script) self.assertTrue(script[2].startswith('cat("##OutputFile", file='), script[2]) self.assertTrue(script[3].startswith('cat(OutputFile, file='), script[3]) self.assertTrue(script[4].startswith('cat("##OutputNum", file='), script[4]) self.assertTrue(script[5].startswith('cat(OutputNum, file='), script[5]) self.assertTrue(script[6].startswith('cat("##OutputStr", file='), script[6]) self.assertTrue(script[7].startswith('cat(OutputStr, file='), script[7])
def testInputs(self): """ Test creation of script with algorithm inputs """ alg = RAlgorithm(description_file=os.path.join(test_data_path, 'test_algorithm_2.rsx')) alg.initAlgorithm() context = QgsProcessingContext() feedback = QgsProcessingFeedback() # enum evaluation script = alg.build_import_commands({'in_enum': 0}, context, feedback) self.assertIn('in_enum=0', script) # boolean evaluation script = alg.build_import_commands({'in_bool': True}, context, feedback) self.assertIn('in_bool=TRUE', script) script = alg.build_import_commands({'in_bool': False}, context, feedback) self.assertIn('in_bool=FALSE', script) # number evaluation script = alg.build_import_commands({'in_number': None}, context, feedback) self.assertIn('in_number=NULL', script) script = alg.build_import_commands({'in_number': 5}, context, feedback) self.assertIn('in_number=5.0', script) script = alg.build_import_commands({'in_number': 5.5}, context, feedback) self.assertIn('in_number=5.5', script)
def testMultiVectorIn(self): """ Test vector multilayer input parameter """ alg = RAlgorithm(description_file=os.path.join( test_data_path, 'test_multivectorin.rsx')) alg.initAlgorithm() param = alg.parameterDefinition('Layer') self.assertEqual(param.type(), 'multilayer') self.assertEqual(param.layerType(), QgsProcessing.TypeVectorAnyGeometry) context = QgsProcessingContext() feedback = QgsProcessingFeedback() script = alg.build_import_commands( { 'Layer': [ os.path.join(test_data_path, 'lines.shp'), os.path.join(test_data_path, 'points.gml') ] }, context, feedback) self.assertEqual(script, [ 'tempvar0 <- readOGR("{}")'.format( os.path.join(test_data_path, 'lines.shp')), 'tempvar1 <- readOGR("{}")'.format( os.path.join(test_data_path, 'points.gml')), 'Layer = list(tempvar0,tempvar1)' ]) script = alg.build_import_commands({'Layer': []}, context, feedback) self.assertEqual(script, ['Layer = list()'])
def testAlgPointInput(self): """ Test Point parameter """ context = QgsProcessingContext() feedback = QgsProcessingFeedback() alg = RAlgorithm(description_file=os.path.join(test_data_path, 'test_input_point.rsx')) alg.initAlgorithm() script = alg.build_r_script( {'point': '20.219926,49.138354 [EPSG:4326]'}, context, feedback) self.assertIn('library("sf")', script) self.assertIn( 'point <- st_sfc(st_point(c(20.219926,49.138354)), crs = point_crs)', script) alg = RAlgorithm(description_file=os.path.join( test_data_path, 'test_input_point_sp.rsx')) alg.initAlgorithm() script = alg.build_r_script( {'point': '20.219926,49.138354 [EPSG:4326]'}, context, feedback) self.assertIn('library("sp")', script) self.assertIn('xy_df <- cbind(c(20.219926), c(49.138354))', script) self.assertIn('point <- SpatialPoints(xy_df, proj4string = point_crs)', script)
def testAlgDateTimeInput(self): """ Test datetime parameter """ if Qgis.QGIS_VERSION_INT < 31400: self.skipTest("QGIS version does not support this.") context = QgsProcessingContext() feedback = QgsProcessingFeedback() alg = RAlgorithm(description_file=os.path.join( test_data_path, 'test_input_datetime.rsx')) alg.initAlgorithm() script = alg.build_r_script( {'datetime': QDateTime(QDate(2021, 10, 1), QTime(16, 57, 0))}, context, feedback) self.assertIn( 'datetime <- as.POSIXct("2021-10-01T16:57:00", format = "%Y-%m-%dT%H:%M:%S")', script) script = alg.build_r_script( {'datetime': QDateTime(QDate(2021, 10, 14), QTime(14, 48, 52))}, context, feedback) self.assertIn( 'datetime <- as.POSIXct("2021-10-14T14:48:52", format = "%Y-%m-%dT%H:%M:%S")', script)
def testMultiRasterIn(self): """ Test raster multilayer input parameter """ alg = RAlgorithm(description_file=os.path.join( test_data_path, 'test_multirasterin.rsx')) alg.initAlgorithm() raster_param = alg.parameterDefinition('Layer') self.assertEqual(raster_param.type(), 'multilayer') self.assertEqual(raster_param.layerType(), QgsProcessing.TypeRaster) context = QgsProcessingContext() feedback = QgsProcessingFeedback() script = alg.build_import_commands( { 'Layer': [ os.path.join(test_data_path, 'dem.tif'), os.path.join(test_data_path, 'dem2.tif') ] }, context, feedback) self.assertEqual(script, [ 'tempvar0 <- brick("{}")'.format( os.path.join(test_data_path, 'dem.tif')), 'tempvar1 <- brick("{}")'.format( os.path.join(test_data_path, 'dem2.tif')), 'Layer = list(tempvar0,tempvar1)' ]) script = alg.build_import_commands({'Layer': []}, context, feedback) self.assertEqual(script, ['Layer = list()'])
def testAlgExpressions(self): """ Test Expression parameter """ context = QgsProcessingContext() feedback = QgsProcessingFeedback() alg = RAlgorithm(description_file=os.path.join( test_data_path, 'test_input_expression.rsx')) alg.initAlgorithm() script = alg.build_r_script({''}, context, feedback) self.assertIn('number <- 6', script) self.assertTrue( any([ 'geometry <- sf::st_as_sfc("Polygon ' in line for line in script ])) # pylint: disable=use-a-generator self.assertIn( 'date_a <- as.POSIXct("2020-05-04", format = "%Y-%m-%d")', script) self.assertIn('time_a <- lubridate::hms("13:45:30")', script) self.assertIn( 'array <- list(' '2, ' '10, ' '"a", ' 'as.POSIXct("2020-05-04", format = "%Y-%m-%d"), ' 'lubridate::hms("13:45:30"), ' 'as.POSIXct("2012-05-04T10:50:00", format = "%Y-%m-%dT%H:%M:%S"))', script)
def testBadAlgorithm(self): """ Test a bad script """ alg = RAlgorithm( description_file=os.path.join(test_data_path, 'bad_algorithm.rsx')) alg.initAlgorithm() self.assertEqual(alg.name(), 'bad_algorithm') self.assertEqual(alg.displayName(), 'bad algorithm') self.assertEqual( alg.error, 'This script has a syntax error.\nProblem with line: polyg=xvector' )
def testAlgHelp(self): # pylint: disable=too-many-locals,too-many-statements """ Test algorithm help """ alg = RAlgorithm(description_file=os.path.join(test_data_path, 'test_algorithm_1.rsx')) alg.initAlgorithm() self.assertIn('A polygon layer', alg.shortHelpString()) self.assertIn('Me2', alg.shortHelpString()) self.assertIn('Test help.', alg.shortHelpString()) # no help file alg = RAlgorithm(description_file=os.path.join(test_data_path, 'test_algorithm_2.rsx')) alg.initAlgorithm() self.assertFalse(alg.shortHelpString())
def testAlgDontLoadAnyPackages(self): """ Test dont_load_any_packages keyword """ alg = RAlgorithm(description_file=os.path.join( test_data_path, 'test_dont_load_any_packages.rsx')) alg.initAlgorithm() context = QgsProcessingContext() feedback = QgsProcessingFeedback() script = alg.build_r_script({}, context, feedback) self.assertNotIn('library("sf")', script) self.assertNotIn('library("raster")', script) self.assertNotIn('library("rgdal")', script) self.assertNotIn('library("sp")', script)
def testAlgRasterBand(self): """ Test datetime parameter """ alg = RAlgorithm(description_file=os.path.join(test_data_path, 'test_raster_band.rsx')) alg.initAlgorithm() context = QgsProcessingContext() feedback = QgsProcessingFeedback() script = alg.build_import_commands( { 'Band': 1, 'Layer': os.path.join(test_data_path, 'dem.tif') }, context, feedback) self.assertIn('Band <- 1', script)
def testEnums(self): """ Test for both enum types """ alg = RAlgorithm( description_file=os.path.join(test_data_path, 'test_enums.rsx')) alg.initAlgorithm() context = QgsProcessingContext() feedback = QgsProcessingFeedback() script = alg.build_import_commands({'enum_normal': 0}, context, feedback) self.assertIn('enum_normal <- 0', script) script = alg.build_import_commands({'enum_string': 0}, context, feedback) self.assertIn('enum_string <- "enum_a"', script)
def testEnumsMultiple(self): """ Test for both enum multiple types """ alg = RAlgorithm(description_file=os.path.join( test_data_path, 'test_enum_multiple.rsx')) alg.initAlgorithm() context = QgsProcessingContext() feedback = QgsProcessingFeedback() script = alg.build_import_commands( { 'enum_normal': [0, 1], 'enum_string': [0, 1] }, context, feedback) self.assertIn('enum_normal <- c(0, 1)', script) self.assertIn('enum_string <- c("enum_a","enum_b")', script)
def testAlgRangeInput(self): """ Test range parameter """ context = QgsProcessingContext() feedback = QgsProcessingFeedback() alg = RAlgorithm(description_file=os.path.join(test_data_path, 'test_input_range.rsx')) alg.initAlgorithm() script = alg.build_r_script({'range': [0, 1]}, context, feedback) self.assertIn('range <- c(min = 0.0, max = 1.0)', script) script = alg.build_r_script({'range': [5, 10]}, context, feedback) self.assertIn('range <- c(min = 5.0, max = 10.0)', script) script = alg.build_r_script({'range': [0.5, 1.5]}, context, feedback) self.assertIn('range <- c(min = 0.5, max = 1.5)', script)
def testReadOgr(self): """ Test reading vector inputs """ alg = RAlgorithm( description_file=os.path.join(test_data_path, 'test_vectorin.rsx')) alg.initAlgorithm() context = QgsProcessingContext() feedback = QgsProcessingFeedback() script = alg.build_import_commands( {'Layer': os.path.join(test_data_path, 'lines.shp')}, context, feedback) self.assertEqual( script, ['Layer=readOGR("{}",layer="lines")'.format(test_data_path)]) script = alg.build_import_commands( { 'Layer': os.path.join(test_data_path, 'lines.shp').replace('/', '\\') }, context, feedback) self.assertEqual( script, ['Layer=readOGR("{}",layer="lines")'.format(test_data_path)]) vl = QgsVectorLayer( os.path.join(test_data_path, 'test_gpkg.gpkg') + '|layername=points') self.assertTrue(vl.isValid()) script = alg.build_import_commands({'Layer': vl}, context, feedback) self.assertEqual(script, [ 'Layer=readOGR("{}",layer="points")'.format( os.path.join(test_data_path, 'test_gpkg.gpkg')) ]) vl = QgsVectorLayer( os.path.join(test_data_path, 'test_gpkg.gpkg') + '|layername=lines') self.assertTrue(vl.isValid()) script = alg.build_import_commands({'Layer': vl}, context, feedback) self.assertEqual(script, [ 'Layer=readOGR("{}",layer="lines")'.format( os.path.join(test_data_path, 'test_gpkg.gpkg')) ])
def testAlgColorInput(self): """ Test color parameter """ context = QgsProcessingContext() feedback = QgsProcessingFeedback() alg = RAlgorithm(description_file=os.path.join(test_data_path, 'test_input_color.rsx')) alg.initAlgorithm() script = alg.build_r_script({'color': QColor(0, 255, 0)}, context, feedback) self.assertIn('color <- rgb(0, 255, 0, 255, maxColorValue = 255)', script) script = alg.build_r_script({'color': QColor(255, 0, 0)}, context, feedback) self.assertIn('color <- rgb(255, 0, 0, 255, maxColorValue = 255)', script)
def testMultiFieldIn(self): """ Test multiple field input parameter """ alg = RAlgorithm(description_file=os.path.join( test_data_path, 'test_field_multiple.rsx')) alg.initAlgorithm() param = alg.parameterDefinition('MultiField') self.assertEqual(param.type(), 'field') self.assertTrue(param.allowMultiple()) context = QgsProcessingContext() feedback = QgsProcessingFeedback() script = alg.build_import_commands( {'Layer': os.path.join(test_data_path, 'lines.shp')}, context, feedback) self.assertEqual(script, [ 'Layer <- readOGR("{}")'.format( os.path.join(test_data_path, 'lines.shp')), 'MultiField <- NULL' ]) script = alg.build_import_commands( { 'Layer': os.path.join(test_data_path, 'lines.shp'), 'MultiField': ['a'] }, context, feedback) self.assertEqual(script, [ 'Layer <- readOGR("{}")'.format( os.path.join(test_data_path, 'lines.shp')), 'MultiField <- c("a")' ]) script = alg.build_import_commands( { 'Layer': os.path.join(test_data_path, 'lines.shp'), 'MultiField': ['a', 'b"c'] }, context, feedback) self.assertEqual(script, [ 'Layer <- readOGR("{}")'.format( os.path.join(test_data_path, 'lines.shp')), 'MultiField <- c("a","b\\"c")' ])
def testAlgHelp(self): # pylint: disable=too-many-locals,too-many-statements """ Test algorithm help """ alg = RAlgorithm(description_file=os.path.join(test_data_path, 'test_algorithm_1.rsx')) alg.initAlgorithm() self.assertIn('A polygon layer', alg.shortHelpString()) self.assertIn('Me2', alg.shortHelpString()) self.assertIn('Test help.', alg.shortHelpString()) # param help if Qgis.QGIS_VERSION_INT >= 31604: polyg_param = alg.parameterDefinition('polyg') self.assertEqual(polyg_param.help(), 'A polygon layer') # no help file alg = RAlgorithm(description_file=os.path.join(test_data_path, 'test_algorithm_2.rsx')) alg.initAlgorithm() self.assertEqual(alg.shortHelpString(), "")
def testAlgColorInput(self): """ Test color parameter """ if Qgis.QGIS_VERSION_INT < 31000: self.skipTest("QGIS version does not support this.") context = QgsProcessingContext() feedback = QgsProcessingFeedback() alg = RAlgorithm(description_file=os.path.join(test_data_path, 'test_input_color.rsx')) alg.initAlgorithm() script = alg.build_r_script({'color': QColor(0, 255, 0)}, context, feedback) self.assertIn('color <- rgb(0, 255, 0, 255, maxColorValue = 255)', script) script = alg.build_r_script({'color': QColor(255, 0, 0)}, context, feedback) self.assertIn('color <- rgb(255, 0, 0, 255, maxColorValue = 255)', script)
def testRasterIn(self): """ Test reading raster inputs """ alg = RAlgorithm( description_file=os.path.join(test_data_path, 'test_rasterin.rsx')) alg.initAlgorithm() context = QgsProcessingContext() feedback = QgsProcessingFeedback() script = alg.build_import_commands( {'Layer': os.path.join(test_data_path, 'dem.tif')}, context, feedback) self.assertEqual(script, [ 'Layer <- brick("{}")'.format( os.path.join(test_data_path, 'dem.tif')) ]) script = alg.build_import_commands( { 'Layer': os.path.join(test_data_path, 'dem.tif').replace( '/', '\\') }, context, feedback) self.assertEqual(script, [ 'Layer <- brick("{}")'.format( os.path.join(test_data_path, 'dem.tif')) ]) script = alg.build_import_commands({'Layer': None}, context, feedback) self.assertEqual(script, ['Layer <- NULL']) alg = RAlgorithm(description_file=os.path.join( test_data_path, 'test_rasterin_names.rsx')) alg.initAlgorithm() script = alg.build_import_commands( {'Layer': os.path.join(test_data_path, 'dem.tif')}, context, feedback) self.assertEqual( script, ['Layer <- "{}"'.format(os.path.join(test_data_path, 'dem.tif'))]) script = alg.build_import_commands({'Layer': None}, context, feedback) self.assertEqual(script, ['Layer <- NULL']) alg = RAlgorithm(description_file=os.path.join( test_data_path, 'test_rasterin_norasterpackage.rsx')) alg.initAlgorithm() script = alg.build_import_commands( {'Layer': os.path.join(test_data_path, 'dem.tif')}, context, feedback) self.assertEqual(script, [ 'Layer <- readGDAL("{}")'.format( os.path.join(test_data_path, 'dem.tif')) ]) script = alg.build_import_commands({'Layer': None}, context, feedback) self.assertEqual(script, ['Layer <- NULL'])
def testScriptParsing(self): # pylint: disable=too-many-locals,too-many-statements """ Test script file parsing """ alg = RAlgorithm(description_file=os.path.join(test_data_path, 'test_algorithm_1.rsx')) alg.initAlgorithm() self.assertFalse(alg.error) self.assertEqual(alg.name(), 'test_algorithm_1') self.assertEqual(alg.displayName(), 'test algorithm 1') self.assertIn('test_algorithm_1.rsx', 'test_algorithm_1.rsx') self.assertTrue(alg.show_plots) self.assertFalse(alg.use_raster_package) self.assertTrue(alg.pass_file_names) alg = RAlgorithm(description_file=os.path.join(test_data_path, 'test_algorithm_2.rsx')) alg.initAlgorithm() self.assertFalse(alg.error) self.assertEqual(alg.name(), 'mytest') self.assertEqual(alg.displayName(), 'my test') self.assertEqual(alg.group(), 'my group') self.assertEqual(alg.groupId(), 'my group') self.assertFalse(alg.show_plots) self.assertTrue(alg.use_raster_package) self.assertFalse(alg.pass_file_names) # test that inputs were created correctly raster_param = alg.parameterDefinition('in_raster') self.assertEqual(raster_param.type(), 'raster') vector_param = alg.parameterDefinition('in_vector') self.assertEqual(vector_param.type(), 'source') field_param = alg.parameterDefinition('in_field') self.assertEqual(field_param.type(), 'field') self.assertEqual(field_param.parentLayerParameterName(), 'in_vector') extent_param = alg.parameterDefinition('in_extent') self.assertEqual(extent_param.type(), 'extent') string_param = alg.parameterDefinition('in_string') self.assertEqual(string_param.type(), 'string') file_param = alg.parameterDefinition('in_file') self.assertEqual(file_param.type(), 'file') number_param = alg.parameterDefinition('in_number') self.assertEqual(number_param.type(), 'number') self.assertEqual(number_param.dataType(), QgsProcessingParameterNumber.Double) enum_param = alg.parameterDefinition('in_enum') self.assertEqual(enum_param.type(), 'enum') enum_param = alg.parameterDefinition('in_enum2') self.assertEqual(enum_param.type(), 'enum') self.assertEqual(enum_param.options(), ['normal', 'log10', 'ln', 'sqrt', 'exp']) bool_param = alg.parameterDefinition('in_bool') self.assertEqual(bool_param.type(), 'boolean') # outputs vector_output = alg.outputDefinition('out_vector') self.assertEqual(vector_output.type(), 'outputVector') self.assertEqual(vector_output.dataType(), QgsProcessing.TypeVectorAnyGeometry) vector_dest_param = alg.parameterDefinition('param_vector_dest') self.assertEqual(vector_dest_param.type(), 'vectorDestination') self.assertEqual(vector_dest_param.dataType(), QgsProcessing.TypeVectorAnyGeometry) table_output = alg.outputDefinition('out_table') self.assertEqual(table_output.type(), 'outputVector') self.assertEqual(table_output.dataType(), QgsProcessing.TypeVector) table_dest_param = alg.parameterDefinition('param_table_dest') self.assertEqual(table_dest_param.type(), 'vectorDestination') self.assertEqual(table_dest_param.dataType(), QgsProcessing.TypeVector) vector_dest_param = alg.parameterDefinition('param_vector_dest2') self.assertEqual(vector_dest_param.type(), 'vectorDestination') self.assertEqual(vector_dest_param.dataType(), QgsProcessing.TypeVectorAnyGeometry) vector_dest_param = alg.parameterDefinition('param_vector_point_dest') self.assertEqual(vector_dest_param.type(), 'vectorDestination') self.assertEqual(vector_dest_param.dataType(), QgsProcessing.TypeVectorPoint) vector_dest_param = alg.parameterDefinition('param_vector_line_dest') self.assertEqual(vector_dest_param.type(), 'vectorDestination') self.assertEqual(vector_dest_param.dataType(), QgsProcessing.TypeVectorLine) vector_dest_param = alg.parameterDefinition( 'param_vector_polygon_dest') self.assertEqual(vector_dest_param.type(), 'vectorDestination') self.assertEqual(vector_dest_param.dataType(), QgsProcessing.TypeVectorPolygon) raster_output = alg.outputDefinition('out_raster') self.assertEqual(raster_output.type(), 'outputRaster') raster_dest_param = alg.parameterDefinition('param_raster_dest') self.assertEqual(raster_dest_param.type(), 'rasterDestination') number_output = alg.outputDefinition('out_number') self.assertEqual(number_output.type(), 'outputNumber') string_output = alg.outputDefinition('out_string') self.assertEqual(string_output.type(), 'outputString') layer_output = alg.outputDefinition('out_layer') self.assertEqual(layer_output.type(), 'outputLayer') folder_output = alg.outputDefinition('out_folder') self.assertEqual(folder_output.type(), 'outputFolder') folder_dest_param = alg.parameterDefinition('param_folder_dest') self.assertEqual(folder_dest_param.type(), 'folderDestination') html_output = alg.outputDefinition('out_html') self.assertEqual(html_output.type(), 'outputHtml') html_dest_param = alg.parameterDefinition('param_html_dest') self.assertEqual(html_dest_param.type(), 'fileDestination')
def testInputs(self): """ Test creation of script with algorithm inputs """ alg = RAlgorithm(description_file=os.path.join(test_data_path, 'test_algorithm_2.rsx')) alg.initAlgorithm() context = QgsProcessingContext() feedback = QgsProcessingFeedback() # enum evaluation script = alg.build_import_commands({'in_enum': 0}, context, feedback) self.assertIn('in_enum <- 0', script) # boolean evaluation script = alg.build_import_commands({'in_bool': True}, context, feedback) self.assertIn('in_bool <- TRUE', script) script = alg.build_import_commands({'in_bool': False}, context, feedback) self.assertIn('in_bool <- FALSE', script) # number evaluation script = alg.build_import_commands({'in_number': None}, context, feedback) self.assertIn('in_number <- NULL', script) script = alg.build_import_commands({'in_number': 5}, context, feedback) self.assertIn('in_number <- 5.0', script) script = alg.build_import_commands({'in_number': 5.5}, context, feedback) self.assertIn('in_number <- 5.5', script) # folder destination script = alg.build_import_commands( {'param_folder_dest': '/tmp/processing/test_algorithm_2_r/'}, context, feedback) # file destination script = alg.build_import_commands( { 'param_html_dest': '/tmp/processing/test_algorithm_2_r/dest.html' }, context, feedback) self.assertIn( 'param_html_dest <- "/tmp/processing/test_algorithm_2_r/dest.html"', script) script = alg.build_import_commands( { 'param_file_dest': '/tmp/processing/test_algorithm_2_r/dest.file' }, context, feedback) self.assertIn( 'param_file_dest <- "/tmp/processing/test_algorithm_2_r/dest.file"', script) script = alg.build_import_commands( {'param_csv_dest': '/tmp/processing/test_algorithm_2_r/dest.csv'}, context, feedback) self.assertIn( 'param_csv_dest <- "/tmp/processing/test_algorithm_2_r/dest.csv"', script)
def testReadOgr(self): """ Test reading vector inputs """ alg = RAlgorithm( description_file=os.path.join(test_data_path, 'test_vectorin.rsx')) alg.initAlgorithm() context = QgsProcessingContext() feedback = QgsProcessingFeedback() script = alg.build_import_commands( {'Layer': os.path.join(test_data_path, 'lines.shp')}, context, feedback) USE_NEW_API = Qgis.QGIS_VERSION_INT >= 30900 and hasattr( QgsProcessingAlgorithm, 'parameterAsCompatibleSourceLayerPathAndLayerName') if USE_NEW_API: self.assertEqual( script[0], 'Layer <- readOGR("{}")'.format( os.path.join(test_data_path, 'lines.shp'))) else: self.assertEqual( script[0], 'Layer <- readOGR("{}")'.format( os.path.join(test_data_path, 'lines.shp'))) script = alg.build_import_commands( { 'Layer': os.path.join(test_data_path, 'lines.shp').replace('/', '\\') }, context, feedback) if USE_NEW_API: self.assertEqual( script[0], 'Layer <- readOGR("{}")'.format( os.path.join(test_data_path, 'lines.shp'))) else: self.assertEqual( script[0], 'Layer <- readOGR("{}")'.format( os.path.join(test_data_path, 'lines.shp'))) vl = QgsVectorLayer( os.path.join(test_data_path, 'test_gpkg.gpkg') + '|layername=points') self.assertTrue(vl.isValid()) vl2 = QgsVectorLayer( os.path.join(test_data_path, 'test_gpkg.gpkg') + '|layername=lines') self.assertTrue(vl2.isValid()) script = alg.build_import_commands({ 'Layer': vl, 'Layer2': vl2 }, context, feedback) if USE_NEW_API: # use the newer api and avoid unnecessary layer translation self.assertEqual(script, [ 'Layer <- readOGR("{}", layer="points")'.format( os.path.join(test_data_path, 'test_gpkg.gpkg')), 'Layer2 <- readOGR("{}", layer="lines")'.format( os.path.join(test_data_path, 'test_gpkg.gpkg')) ]) else: # older version, forced to use inefficient api self.assertIn('Layer <- readOGR("/tmp', script[0]) self.assertIn('Layer2 <- readOGR("/tmp', script[1])
def testScriptParsing(self): # pylint: disable=too-many-locals,too-many-statements """ Test script file parsing """ alg = RAlgorithm(description_file=os.path.join(test_data_path, 'test_algorithm_1.rsx')) alg.initAlgorithm() self.assertFalse(alg.error) self.assertEqual(alg.name(), 'test_algorithm_1') self.assertEqual(alg.displayName(), 'test algorithm 1') self.assertIn('test_algorithm_1.rsx', 'test_algorithm_1.rsx') self.assertTrue(alg.show_plots) self.assertFalse(alg.r_templates.use_raster) self.assertTrue(alg.pass_file_names) alg = RAlgorithm(description_file=os.path.join(test_data_path, 'test_algorithm_2.rsx')) alg.initAlgorithm() self.assertFalse(alg.error) self.assertEqual(alg.name(), 'mytest') self.assertEqual(alg.displayName(), 'my test') self.assertEqual(alg.group(), 'my group') self.assertEqual(alg.groupId(), 'my group') self.assertFalse(alg.show_plots) self.assertTrue(alg.r_templates.use_raster) self.assertFalse(alg.pass_file_names) # test that inputs were created correctly raster_param = alg.parameterDefinition('in_raster') self.assertEqual(raster_param.type(), 'raster') vector_param = alg.parameterDefinition('in_vector') self.assertEqual(vector_param.type(), 'source') field_param = alg.parameterDefinition('in_field') self.assertEqual(field_param.type(), 'field') self.assertEqual(field_param.parentLayerParameterName(), 'in_vector') extent_param = alg.parameterDefinition('in_extent') self.assertEqual(extent_param.type(), 'extent') string_param = alg.parameterDefinition('in_string') self.assertEqual(string_param.type(), 'string') file_param = alg.parameterDefinition('in_file') self.assertEqual(file_param.type(), 'file') number_param = alg.parameterDefinition('in_number') self.assertEqual(number_param.type(), 'number') self.assertEqual(number_param.dataType(), QgsProcessingParameterNumber.Double) enum_param = alg.parameterDefinition('in_enum') self.assertEqual(enum_param.type(), 'enum') enum_param = alg.parameterDefinition('in_enum2') self.assertEqual(enum_param.type(), 'enum') self.assertEqual(enum_param.options(), ['normal', 'log10', 'ln', 'sqrt', 'exp']) bool_param = alg.parameterDefinition('in_bool') self.assertEqual(bool_param.type(), 'boolean') # outputs vector_output = alg.outputDefinition('out_vector') self.assertEqual(vector_output.type(), 'outputVector') self.assertEqual(vector_output.dataType(), QgsProcessing.TypeVectorAnyGeometry) vector_dest_param = alg.parameterDefinition('param_vector_dest') self.assertEqual(vector_dest_param.type(), 'vectorDestination') self.assertEqual(vector_dest_param.dataType(), QgsProcessing.TypeVectorAnyGeometry) table_output = alg.outputDefinition('out_table') self.assertEqual(table_output.type(), 'outputVector') self.assertEqual(table_output.dataType(), QgsProcessing.TypeVector) table_dest_param = alg.parameterDefinition('param_table_dest') self.assertEqual(table_dest_param.type(), 'vectorDestination') self.assertEqual(table_dest_param.dataType(), QgsProcessing.TypeVector) vector_dest_param = alg.parameterDefinition('param_vector_dest2') self.assertEqual(vector_dest_param.type(), 'vectorDestination') self.assertEqual(vector_dest_param.dataType(), QgsProcessing.TypeVectorAnyGeometry) vector_dest_param = alg.parameterDefinition('param_vector_point_dest') self.assertEqual(vector_dest_param.type(), 'vectorDestination') self.assertEqual(vector_dest_param.dataType(), QgsProcessing.TypeVectorPoint) vector_dest_param = alg.parameterDefinition('param_vector_line_dest') self.assertEqual(vector_dest_param.type(), 'vectorDestination') self.assertEqual(vector_dest_param.dataType(), QgsProcessing.TypeVectorLine) vector_dest_param = alg.parameterDefinition( 'param_vector_polygon_dest') self.assertEqual(vector_dest_param.type(), 'vectorDestination') self.assertEqual(vector_dest_param.dataType(), QgsProcessing.TypeVectorPolygon) raster_output = alg.outputDefinition('out_raster') self.assertEqual(raster_output.type(), 'outputRaster') raster_dest_param = alg.parameterDefinition('param_raster_dest') self.assertEqual(raster_dest_param.type(), 'rasterDestination') number_output = alg.outputDefinition('out_number') self.assertEqual(number_output.type(), 'outputNumber') string_output = alg.outputDefinition('out_string') self.assertEqual(string_output.type(), 'outputString') layer_output = alg.outputDefinition('out_layer') self.assertEqual(layer_output.type(), 'outputLayer') folder_output = alg.outputDefinition('out_folder') self.assertEqual(folder_output.type(), 'outputFolder') folder_dest_param = alg.parameterDefinition('param_folder_dest') self.assertEqual(folder_dest_param.type(), 'folderDestination') html_output = alg.outputDefinition('out_html') self.assertEqual(html_output.type(), 'outputHtml') html_dest_param = alg.parameterDefinition('param_html_dest') self.assertEqual(html_dest_param.type(), 'fileDestination') file_output = alg.outputDefinition('out_file') self.assertEqual(file_output.type(), 'outputFile') file_dest_param = alg.parameterDefinition('param_file_dest') self.assertEqual(file_dest_param.type(), 'fileDestination') csv_output = alg.outputDefinition('out_csv') self.assertEqual(csv_output.type(), 'outputFile') csv_dest_param = alg.parameterDefinition('param_csv_dest') self.assertEqual(csv_dest_param.type(), 'fileDestination') self.assertEqual(csv_dest_param.defaultFileExtension(), 'csv') # test display_name alg = RAlgorithm(description_file=os.path.join(test_data_path, 'test_algorithm_3.rsx')) alg.initAlgorithm() self.assertFalse(alg.error) self.assertEqual(alg.name(), 'thealgid') self.assertEqual(alg.displayName(), 'the algo title') self.assertEqual(alg.group(), 'my group') self.assertEqual(alg.groupId(), 'my group') # test that inputs are defined as parameter description alg = RAlgorithm(description_file=os.path.join(test_data_path, 'test_algorithm_4.rsx')) alg.initAlgorithm() self.assertFalse(alg.error) self.assertEqual(alg.name(), 'mytest') self.assertEqual(alg.displayName(), 'my test') self.assertEqual(alg.group(), 'my group') self.assertEqual(alg.groupId(), 'my group') raster_param = alg.parameterDefinition('in_raster') self.assertEqual(raster_param.type(), 'raster') vector_param = alg.parameterDefinition('in_vector') self.assertEqual(vector_param.type(), 'source') field_param = alg.parameterDefinition('in_field') self.assertEqual(field_param.type(), 'field') self.assertEqual(field_param.parentLayerParameterName(), 'in_vector') extent_param = alg.parameterDefinition('in_extent') self.assertEqual(extent_param.type(), 'extent') crs_param = alg.parameterDefinition('in_crs') self.assertEqual(crs_param.type(), 'crs') string_param = alg.parameterDefinition('in_string') self.assertEqual(string_param.type(), 'string') number_param = alg.parameterDefinition('in_number') self.assertEqual(number_param.type(), 'number') self.assertEqual(number_param.dataType(), QgsProcessingParameterNumber.Integer) enum_param = alg.parameterDefinition('in_enum') self.assertEqual(enum_param.type(), 'enum') bool_param = alg.parameterDefinition('in_bool') self.assertEqual(bool_param.type(), 'boolean') file_param = alg.parameterDefinition('in_file') self.assertEqual(file_param.type(), 'file') self.assertEqual(file_param.behavior(), QgsProcessingParameterFile.File) folder_param = alg.parameterDefinition('in_folder') self.assertEqual(folder_param.type(), 'file') self.assertEqual(folder_param.behavior(), QgsProcessingParameterFile.Folder) gpkg_param = alg.parameterDefinition('in_gpkg') self.assertEqual(gpkg_param.type(), 'file') self.assertEqual(gpkg_param.behavior(), QgsProcessingParameterFile.File) self.assertEqual(gpkg_param.extension(), 'gpkg') img_param = alg.parameterDefinition('in_img') self.assertEqual(img_param.type(), 'file') self.assertEqual(img_param.behavior(), QgsProcessingParameterFile.File) self.assertEqual(img_param.extension(), '') self.assertEqual(img_param.fileFilter(), 'PNG Files (*.png);; JPG Files (*.jpg *.jpeg)') vector_dest_param = alg.parameterDefinition('param_vector_dest') self.assertEqual(vector_dest_param.type(), 'vectorDestination') self.assertEqual(vector_dest_param.dataType(), QgsProcessing.TypeVectorAnyGeometry) vector_dest_param = alg.parameterDefinition('param_vector_point_dest') self.assertEqual(vector_dest_param.type(), 'vectorDestination') self.assertEqual(vector_dest_param.dataType(), QgsProcessing.TypeVectorPoint) vector_dest_param = alg.parameterDefinition('param_vector_line_dest') self.assertEqual(vector_dest_param.type(), 'vectorDestination') self.assertEqual(vector_dest_param.dataType(), QgsProcessing.TypeVectorLine) vector_dest_param = alg.parameterDefinition( 'param_vector_polygon_dest') self.assertEqual(vector_dest_param.type(), 'vectorDestination') self.assertEqual(vector_dest_param.dataType(), QgsProcessing.TypeVectorPolygon) table_dest_param = alg.parameterDefinition('param_table_dest') self.assertEqual(table_dest_param.type(), 'vectorDestination') self.assertEqual(table_dest_param.dataType(), QgsProcessing.TypeVector) raster_dest_param = alg.parameterDefinition('param_raster_dest') self.assertEqual(raster_dest_param.type(), 'rasterDestination') folder_dest_param = alg.parameterDefinition('param_folder_dest') self.assertEqual(folder_dest_param.type(), 'folderDestination') file_dest_param = alg.parameterDefinition('param_file_dest') self.assertEqual(file_dest_param.type(), 'fileDestination') html_dest_param = alg.parameterDefinition('param_html_dest') self.assertEqual(html_dest_param.type(), 'fileDestination') self.assertEqual(html_dest_param.fileFilter(), 'HTML Files (*.html)') self.assertEqual(html_dest_param.defaultFileExtension(), 'html') csv_dest_param = alg.parameterDefinition('param_csv_dest') self.assertEqual(csv_dest_param.type(), 'fileDestination') self.assertEqual(csv_dest_param.fileFilter(), 'CSV Files (*.csv)') self.assertEqual(csv_dest_param.defaultFileExtension(), 'csv') img_dest_param = alg.parameterDefinition('param_img_dest') self.assertEqual(img_dest_param.type(), 'fileDestination') self.assertEqual(img_dest_param.fileFilter(), 'PNG Files (*.png);; JPG Files (*.jpg *.jpeg)') self.assertEqual(img_dest_param.defaultFileExtension(), 'png')