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116 lines
3.5 KiB
Python
116 lines
3.5 KiB
Python
"""
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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 (
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QgsApplication,
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QgsProcessingAlgorithm,
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QgsProcessingFeedback,
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QgsProcessingException,
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)
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from qgis.analysis import QgsNativeAlgorithms
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import unittest
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from qgis.testing import start_app, QgisTestCase
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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(QgisTestCase, 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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cls.cleanup_paths = []
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cls.in_place_layers = {}
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cls.vector_layer_params = {}
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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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def 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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# and that we can instantiate an object!
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if t.className() == "QgsProcessingParameterProviderConnection":
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exec(
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f"{import_string}\ntest = {t.className()}('id','name', 'provider')\nassert test is not None",
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{},
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)
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else:
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exec(
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f"{import_string}\ntest = {t.className()}('id','name')\nassert test is not None"
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), {}
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if __name__ == "__main__":
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nose2.main()
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