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[processing] allow tests for scripts
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alexbruy committed Mar 16, 2017
1 parent 3bcf287 commit c603df1aa813323980608d55e641634c3c89f2ac
@@ -45,6 +45,9 @@
from numpy import nan_to_num

import processing

from processing.script.ScriptAlgorithm import ScriptAlgorithm # NOQA

from processing.modeler.ModelerAlgorithmProvider import ModelerAlgorithmProvider # NOQA
from processing.algs.qgis.QGISAlgorithmProvider import QGISAlgorithmProvider # NOQA
from processing.algs.grass7.Grass7AlgorithmProvider import Grass7AlgorithmProvider # NOQA
@@ -90,7 +93,11 @@ def check_algorithm(self, name, defs):

params = self.load_params(defs['params'])

alg = processing.Processing.getAlgorithm(defs['algorithm']).getCopy()
if defs['algorithm'].startswith('scrips:'):
filePath = os.path.join(processingTestDataPath(), 'scripts', '{}.py'.format(defs['algorithm'][len('script:'):]))
alg = ScriptAlgorithm(filePath)
else:
alg = processing.Processing.getAlgorithm(defs['algorithm']).getCopy()

if isinstance(params, list):
for param in zip(alg.parameters, params):
@@ -11,6 +11,7 @@ IF(ENABLE_TESTS)
ADD_PYTHON_TEST(ProcessingToolsTest ToolsTest.py)
ADD_PYTHON_TEST(ProcessingQgisAlgorithmsTest QgisAlgorithmsTest.py)
ADD_PYTHON_TEST(ProcessingGdalAlgorithmsTest GdalAlgorithmsTest.py)
ADD_PYTHON_TEST(ProcessingScriptAlgorithmsTest ScriptAlgorithmsTest.py)
ADD_PYTHON_TEST(ProcessingGrass7AlgorithmsImageryTest Grass7AlgorithmsImageryTest.py)
ADD_PYTHON_TEST(ProcessingGrass7AlgorithmsRasterTest Grass7AlgorithmsRasterTest.py)
ENDIF(ENABLE_TESTS)
@@ -0,0 +1,55 @@
# -*- coding: utf-8 -*-

"""
***************************************************************************
ScriptAlgorithmsTests.py
---------------------
Date : March 2017
Copyright : (C) 2017 by Alexander Bruy
Email : alexander dot bruy at gmail dot com
***************************************************************************
* *
* 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__ = 'Alexander Bruy'
__date__ = 'March 2017'
__copyright__ = '(C) 2017, Alexander Bruy'

# This will get replaced with a git SHA1 when you do a git archive

__revision__ = ':%H$'

import AlgorithmsTestBase

import nose2
import shutil

from qgis.testing import start_app, unittest


class TestScriptAlgorithms(unittest.TestCase, AlgorithmsTestBase.AlgorithmsTest):

@classmethod
def setUpClass(cls):
start_app()
from processing.core.Processing import Processing
Processing.initialize()
cls.cleanup_paths = []

@classmethod
def tearDownClass(cls):
for path in cls.cleanup_paths:
shutil.rmtree(path)

def test_definition_file(self):
return 'script_algorithm_tests.yaml'


if __name__ == '__main__':
nose2.main()
@@ -0,0 +1,31 @@
##Centroids=name
##Geometry=group
##INPUT_LAYER=vector
##OUTPUT_LAYER=output vector

from qgis.core import QgsWkbTypes, QgsGeometry

from processing.tools.vector import VectorWriter

layer = processing.getObject(INPUT_LAYER)
fields = layer.fields()

writer = VectorWriter(OUTPUT_LAYER, 'utf-8', fields, QgsWkbTypes.Point, layer.crs())

features = processing.features(layer)
count = len(features)
if count == 0:
raise GeoAlgorithmExecutionException('Input layer contains no features.')

total = 100.0 / len(features)

for count, f in enumerate(features):
outputFeature = f
if f.geometry():
outputGeometry = f.geometry().centroid()
outputFeature.setGeometry(outputGeometry)

writer.addFeature(outputFeature)
feedback.setProgress(int(count * total))

del writer

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