[processing] infrastructure for SAGA tests

Author: alexbruy

python/plugins/processing/tests/AlgorithmsTestBase.py

@@ -41,19 +41,6 @@
 from numpy import nan_to_num
 from copy import deepcopy
 
-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
-#from processing.algs.gdal.GdalAlgorithmProvider import GdalAlgorithmProvider  # NOQA
-#from processing.algs.saga.SagaAlgorithmProvider import SagaAlgorithmProvider  # NOQA
-from processing.script.ScriptAlgorithmProvider import ScriptAlgorithmProvider  # NOQA
-#from processing.preconfigured.PreconfiguredAlgorithmProvider import PreconfiguredAlgorithmProvider  # NOQA
-
-
 from qgis.core import (QgsVectorLayer,
                        QgsRasterLayer,
                        QgsFeatureRequest,
@@ -65,9 +52,11 @@
                        QgsProcessingFeedback)
 
 from qgis.testing import _UnexpectedSuccess
-
 from utilities import unitTestDataPath
 
+import processing
+from processing.script.ScriptAlgorithm import ScriptAlgorithm  # NOQA
+
 
 def processingTestDataPath():
     return os.path.join(os.path.dirname(__file__), 'testdata')

python/plugins/processing/tests/CMakeLists.txt

@@ -15,4 +15,5 @@ IF(ENABLE_TESTS)
   ADD_PYTHON_TEST(ProcessingScriptAlgorithmsTest ScriptAlgorithmsTest.py)
   ADD_PYTHON_TEST(ProcessingGrass7AlgorithmsImageryTest Grass7AlgorithmsImageryTest.py)
   ADD_PYTHON_TEST(ProcessingGrass7AlgorithmsRasterTest Grass7AlgorithmsRasterTest.py)
+  ADD_PYTHON_TEST(ProcessingSagaAlgorithmsTest SagaAlgorithmsTest.py)
 ENDIF(ENABLE_TESTS)

python/plugins/processing/tests/SagaAlgorithmsTest.py

@@ -0,0 +1,56 @@
+# -*- coding: utf-8 -*-
+
+"""
+***************************************************************************
+    SagaAlgorithmsTests.py
+    ---------------------
+    Date                 : September 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__ = 'September 2017'
+__copyright__ = '(C) 2017, Alexander Bruy'
+
+# This will get replaced with a git SHA1 when you do a git archive
+
+__revision__ = ':%H$'
+
+import nose2
+import shutil
+
+from qgis.testing import start_app, unittest
+import AlgorithmsTestBase
+
+
+class TestSagaAlgorithms(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):
+        from processing.core.Processing import Processing
+        Processing.deinitialize()
+        for path in cls.cleanup_paths:
+            shutil.rmtree(path)
+
+    def test_definition_file(self):
+        return 'saga_algorithm_tests.yaml'
+
+
+if __name__ == '__main__':
+    nose2.main()

python/plugins/processing/tests/testdata/saga_algorithm_tests.yaml

@@ -0,0 +1,4 @@
+# See ../README.md for a description of the file format
+
+tests:
+