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_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()