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Add test that python exception is caught when executing an alg
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nyalldawson committed Jun 23, 2017
1 parent eb39fb0 commit a8cdde5
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Showing 2 changed files with 33 additions and 1 deletion.
32 changes: 32 additions & 0 deletions python/plugins/processing/tests/QgisAlgorithmsTest.py
Expand Up @@ -30,7 +30,28 @@
import nose2
import shutil

from qgis.core import (QgsProcessingAlgorithm,
QgsProcessingFeedback)
from qgis.testing import start_app, unittest
from processing.core.GeoAlgorithmExecutionException import GeoAlgorithmExecutionException
from processing.tools.dataobjects import createContext


class TestAlg(QgsProcessingAlgorithm):

def __init__(self):
super().__init__()

def name(self):
return 'testalg'

def displayName(self):
return 'testalg'

def processAlgorithm(self, parameters, context, feedback):
raise GeoAlgorithmExecutionException(
self.tr('Exception while processing'))
return {}


class TestQgisAlgorithms(unittest.TestCase, AlgorithmsTestBase.AlgorithmsTest):
Expand All @@ -52,6 +73,17 @@ def tearDownClass(cls):
def test_definition_file(self):
return 'qgis_algorithm_tests.yaml'

def testProcessingException(self):
"""
Test that Python exception is caught when running an alg
"""

alg = TestAlg()
context = createContext()
feedback = QgsProcessingFeedback()
results, ok = alg.run({}, context, feedback)
self.assertFalse(ok)


if __name__ == '__main__':
nose2.main()
2 changes: 1 addition & 1 deletion python/plugins/processing/tools/dataobjects.py
Expand Up @@ -65,7 +65,7 @@
TYPE_TABLE = 5


def createContext(feedback):
def createContext(feedback=None):
"""
Creates a default processing context
"""
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