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# -*- coding: utf-8 -*-
"""
***************************************************************************
OtbAlgorithmsTest.py
---------------------
Date : January 2019
Copyright : (C) 2019 by CNES
Author : otb att cnes dot fr
***************************************************************************
* *
* 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. *
* *
***************************************************************************
"""
__author__ = 'Rashad Kanavath'
__date__ = 'Janauary 2019'
__copyright__ = '(C) 2019, CNES'
import os
import sys
import unittest
import hashlib
import shutil
import nose2
import tempfile
from qgis.core import (QgsProcessingParameterNumber,
QgsApplication,
QgsRasterLayer,
QgsMapLayer,
QgsProject,
QgsProcessingContext,
QgsProcessingUtils,
QgsProcessingFeedback,
QgsProcessingParameterDefinition)
from qgis.testing import start_app, unittest
from processing.core.ProcessingConfig import ProcessingConfig, Setting
from processing.gui.AlgorithmDialog import AlgorithmDialog
from processing.gui.BatchAlgorithmDialog import BatchAlgorithmDialog
from processing.gui.wrappers import *
from processing.modeler.ModelerParametersDialog import ModelerParametersDialog
from processing.algs.otb.OtbAlgorithm import OtbAlgorithm
from processing.algs.otb.OtbAlgorithmProvider import OtbAlgorithmProvider
from processing.algs.otb.OtbUtils import OtbUtils
from processing.algs.otb.OtbChoiceWidget import OtbParameterChoice, OtbChoiceWidgetWrapper
import AlgorithmsTestBase
import processing
OTB_INSTALL_DIR = os.environ.get('OTB_INSTALL_DIR')
class TestOtbAlgorithms(unittest.TestCase, AlgorithmsTestBase.AlgorithmsTest):
@staticmethod
def __input_raster_layer():
options = QgsRasterLayer.LayerOptions()
options.loadDefaultStyle = False
return QgsRasterLayer(os.path.join(AlgorithmsTestBase.processingTestDataPath(), 'raster.tif'),
"raster_input",
'gdal',
options)
def test_bug21373_mode_vector(self):
"""
This issue is reported on qgis bug tracker: #21373
This issue is reported on qgis-otb-plugin tracker: #30
"""
context = QgsProcessingContext()
context.setProject(QgsProject.instance())
feedback = QgsProcessingFeedback()
parameters = {
'in': TestOtbAlgorithms.__input_raster_layer(),
'filter': 'meanshift',
'mode.vector.out': 'vector.shp'
}
alg = OtbAlgorithm('Segmentation', 'Segmentation', os.path.join(self.descrFolder, 'Segmentation.txt'))
results = alg.processAlgorithm(parameters, context, feedback)
self.assertDictEqual(results, {'mode.vector.out': 'vector.shp'})
def test_bug21373_mode_raster(self):
"""
This issue is reported on qgis bug tracker: #21373
"""
context = QgsProcessingContext()
context.setProject(QgsProject.instance())
feedback = QgsProcessingFeedback()
parameters = {
'in': TestOtbAlgorithms.__input_raster_layer(),
'filter': 'meanshift',
'mode': 'raster',
'mode.raster.out': 'raster.tif'
}
alg = OtbAlgorithm('Segmentation', 'Segmentation', os.path.join(self.descrFolder, 'Segmentation.txt'))
results = alg.processAlgorithm(parameters, context, feedback)
self.assertDictEqual(results, {'mode.raster.out': 'raster.tif'})
def test_bug21374_Fail(self):
"""
This issue is reported on qgis bug tracker: #21374
"""
outdir = tempfile.mkdtemp()
self.cleanup_paths.append(outdir)
context = QgsProcessingContext()
context.setProject(QgsProject.instance())
feedback = QgsProcessingFeedback()
parameters = {
'in': TestOtbAlgorithms.__input_raster_layer(),
'filter': 'cc',
'mode.vector.out': os.path.join(outdir, 'vector.shp')
}
alg = OtbAlgorithm('Segmentation', 'Segmentation', os.path.join(self.descrFolder, 'Segmentation.txt'))
ok, msg = alg.checkParameterValues(parameters, context)
self.assertFalse(ok, 'Algorithm failed checkParameterValues with result {}'.format(msg))
def test_init_algorithms(self):
"""
This test will read each otb algorithm in 'algs.txt'
and creates an instance of OtbAlgorithm and check if it can be executed
This is done in :class: `OtbAlgorithmProvider` load() method
"""
algs_txt = os.path.join(self.descrFolder, 'algs.txt')
with open(algs_txt) as lines:
line = lines.readline().strip('\n').strip()
if line != '' and line.startswith('#'):
version = line[1:]
print('version =', version)
line = lines.readline().strip('\n').strip()
while line != '' and not line.startswith('#'):
data = line.split('|')
descriptionFile = os.path.join(self.descrFolder, str(data[1]) + '.txt')
alg = OtbAlgorithm(data[0], data[1], descriptionFile)
self.assertIsInstance(alg, OtbAlgorithm)
ret, msg = alg.canExecute()
print("canExecute '{}' - {}".format(alg.id(), ret))
self.assertEqual(ret, True)
line = lines.readline().strip('\n').strip()
def test_parameterAs_ScriptMode(self):
"""
This test will pass an instance of QgsCoordinateReferenceSystem for 'epsg' parameter
of otb::Rasterization. There is same test in otb_algorithm_tests.yaml which passes
an instance of str for epsg parameter.
"""
outdir = tempfile.mkdtemp()
self.cleanup_paths.append(outdir)
context = QgsProcessingContext()
context.setProject(QgsProject.instance())
feedback = QgsProcessingFeedback()
vectorFile = os.path.join(AlgorithmsTestBase.processingTestDataPath(), 'polys.gml')
vectorLayer = QgsProcessingUtils.mapLayerFromString(vectorFile, context)
parameters = {
'in': vectorLayer,
'epsg': QgsCoordinateReferenceSystem('EPSG:4326'),
'spx': 1.0,
'spy': 1.0,
'outputpixeltype': 1,
'out': os.path.join(outdir, 'raster.tif')
}
results = processing.run('otb:Rasterization', parameters, None, feedback)
result_lyr = QgsProcessingUtils.mapLayerFromString(results['out'], context)
self.assertTrue(result_lyr.isValid())
def test_OTBParameterChoiceExists(self):
"""
This test is here to know if we have change `type()` method of :class: `OtbParameterChoice`
That value is used by Otb when it creates descriptor files. So changes to this string must be test
in a unit-test.
"""
alg_smoothing = OtbAlgorithm('Image Filtering', 'Smoothing', os.path.join(self.descrFolder, 'Smoothing.txt'))
found = False
for param in alg_smoothing.parameterDefinitions():
## print (param.name(), param.type())
if param.type() == 'OTBParameterChoice':
found = True
break
self.assertEqual(found, True)
def test_OTBParameterChoice_Gui(self):
"""
This test is similar to GuiTests in processing that is done on other parameter widget in processing
Main difference is this test uses create_wrapper_from_metadata() rather than create_wrapper_from_class()
like rest of processing widgets.
"""
param = OtbParameterChoice('test')
alg = QgsApplication.processingRegistry().createAlgorithmById('otb:Smoothing')
# algorithm dialog
dlg = AlgorithmDialog(alg)
wrapper = WidgetWrapperFactory.create_wrapper_from_metadata(param, dlg)
self.assertIsNotNone(wrapper)
self.assertIsInstance(wrapper, OtbChoiceWidgetWrapper)
self.assertEqual(wrapper.dialog, dlg)
self.assertIsNotNone(wrapper.widget)
alg = QgsApplication.processingRegistry().createAlgorithmById('otb:Smoothing')
# batch dialog
dlg = BatchAlgorithmDialog(alg)
wrapper = WidgetWrapperFactory.create_wrapper_from_metadata(param, dlg)
self.assertIsNotNone(wrapper)
self.assertIsInstance(wrapper, OtbChoiceWidgetWrapper)
self.assertEqual(wrapper.dialog, dlg)
self.assertIsNotNone(wrapper.widget)
alg = QgsApplication.processingRegistry().createAlgorithmById('otb:Smoothing')
# modeler dialog
model = QgsProcessingModelAlgorithm()
dlg = ModelerParametersDialog(alg, model)
wrapper = WidgetWrapperFactory.create_wrapper_from_metadata(param, dlg)
self.assertIsNotNone(wrapper)
self.assertIsInstance(wrapper, OtbChoiceWidgetWrapper)
self.assertEqual(wrapper.dialog, dlg)
self.assertIsNotNone(wrapper.widget)
@classmethod
def setUpClass(cls):
start_app()
from processing.core.Processing import Processing
Processing.initialize()
ProcessingConfig.setSettingValue("OTB_ACTIVATE", True)
ProcessingConfig.setSettingValue(OtbUtils.FOLDER, OTB_INSTALL_DIR)
ProcessingConfig.setSettingValue(OtbUtils.APP_FOLDER, os.path.join(OTB_INSTALL_DIR, 'lib', 'otb', 'applications'))
ProcessingConfig.readSettings()
# Refresh OTB Algorithms after settings are changed.
for p in QgsApplication.processingRegistry().providers():
if p.id() == "otb":
p.refreshAlgorithms()
cls.descrFolder = os.path.join(OTB_INSTALL_DIR, 'share', 'otb', 'description')
cls.cleanup_paths = []
@classmethod
def tearDownClass(cls):
from processing.core.Processing import Processing
Processing.deinitialize()
for path in cls.cleanup_paths:
shutil.rmtree(path)
def test_definition_file(self):
"""
return name of yaml file containing test definitions
"""
print("OTB_INSTALL_DIR = '{}'".format(OTB_INSTALL_DIR))
return 'otb_algorithm_tests.yaml'
if __name__ == '__main__':
nose2.main()
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