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			113 lines
		
	
	
		
			3.9 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			113 lines
		
	
	
		
			3.9 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
# -*- coding: utf-8 -*-
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"""
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***************************************************************************
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    QgisAlgorithmTests.py
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    ---------------------
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    Date                 : January 2016
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    Copyright            : (C) 2016 by Matthias Kuhn
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    Email                : matthias@opengis.ch
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***************************************************************************
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*                                                                         *
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*   This program is free software; you can redistribute it and/or modify  *
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*   it under the terms of the GNU General Public License as published by  *
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*   the Free Software Foundation; either version 2 of the License, or     *
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*   (at your option) any later version.                                   *
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*                                                                         *
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***************************************************************************
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"""
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__author__ = 'Matthias Kuhn'
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__date__ = 'January 2016'
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__copyright__ = '(C) 2016, Matthias Kuhn'
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import AlgorithmsTestBase
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import nose2
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import shutil
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import os
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from qgis.core import (QgsApplication,
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                       QgsProcessingAlgorithm,
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                       QgsProcessingFeedback,
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                       QgsProcessingException)
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from qgis.analysis import (QgsNativeAlgorithms)
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from qgis.testing import start_app, unittest
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from processing.tools.dataobjects import createContext
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from processing.core.ProcessingConfig import ProcessingConfig
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from processing.modeler.ModelerUtils import ModelerUtils
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class TestAlg(QgsProcessingAlgorithm):
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    def __init__(self):
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        super().__init__()
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    def name(self):
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        return 'testalg'
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    def displayName(self):
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        return 'testalg'
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    def initAlgorithm(self, config=None):
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        pass
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    def createInstance(self):
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        return TestAlg()
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    def processAlgorithm(self, parameters, context, feedback):
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        raise QgsProcessingException('Exception while processing')
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        return {}
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class TestQgisAlgorithms(unittest.TestCase, AlgorithmsTestBase.AlgorithmsTest):
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    @classmethod
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    def setUpClass(cls):
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        start_app()
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        from processing.core.Processing import Processing
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        Processing.initialize()
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        ProcessingConfig.setSettingValue(ModelerUtils.MODELS_FOLDER, os.path.join(os.path.dirname(__file__), 'models'))
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        QgsApplication.processingRegistry().addProvider(QgsNativeAlgorithms())
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        cls.cleanup_paths = []
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        cls.in_place_layers = {}
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        cls.vector_layer_params = {}
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        cls._original_models_folder = ProcessingConfig.getSetting(ModelerUtils.MODELS_FOLDER)
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    @classmethod
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    def tearDownClass(cls):
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        from processing.core.Processing import Processing
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        Processing.deinitialize()
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        for path in cls.cleanup_paths:
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            shutil.rmtree(path)
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        ProcessingConfig.setSettingValue(ModelerUtils.MODELS_FOLDER, cls._original_models_folder)
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    def test_definition_file(self):
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        return 'qgis_algorithm_tests1.yaml'
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    def testProcessingException(self):
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        """
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        Test that Python exception is caught when running an alg
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        """
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        alg = TestAlg()
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        context = createContext()
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        feedback = QgsProcessingFeedback()
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        results, ok = alg.run({}, context, feedback)
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        self.assertFalse(ok)
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    def testParameterPythonImport(self):
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        for t in QgsApplication.processingRegistry().parameterTypes():
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            import_string = t.pythonImportString()
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            # check that pythonImportString correctly imports
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            exec(import_string)
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            # and now we should be able to instantiate an object!
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            if t.className() == 'QgsProcessingParameterProviderConnection':
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                exec('test = {}(\'id\',\'name\', \'provider\')\nself.assertIsNotNone(test)'.format(t.className()))
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            else:
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                exec('test = {}(\'id\',\'name\')\nself.assertIsNotNone(test)'.format(t.className()))
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if __name__ == '__main__':
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    nose2.main()
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