[TEST] add test for OTB processing provider

This includes yaml test like SAGA, GRASS and also test for loading
OTB Algorithms

python/plugins/processing/tests/CMakeLists.txt

@@ -17,6 +17,7 @@ IF(ENABLE_TESTS)
   ADD_PYTHON_TEST(ProcessingGrass7AlgorithmsImageryTest Grass7AlgorithmsImageryTest.py)
   ADD_PYTHON_TEST(ProcessingGrass7AlgorithmsRasterTest Grass7AlgorithmsRasterTest.py)
   ADD_PYTHON_TEST(ProcessingGrass7AlgorithmsVectorTest Grass7AlgorithmsVectorTest.py)
+  ADD_PYTHON_TEST(ProcessingOtbAlgorithmsTest OtbAlgorithmsTest.py)
   ADD_PYTHON_TEST(ProcessingSagaAlgorithmsTest SagaAlgorithmsTest.py)
   ADD_PYTHON_TEST(ProcessingCheckValidityAlgorithmTest CheckValidityAlgorithm.py)
 ENDIF(ENABLE_TESTS)

python/plugins/processing/tests/OtbAlgorithmsTest.py

@@ -0,0 +1,109 @@
+# -*- coding: utf-8 -*-
+
+"""
+***************************************************************************
+    OtbAlgorithmsTests.py
+    ---------------------
+    Date                 : January 2019
+    Copyright            : (C) 2019 by CNES
+    Author               : otb att cnes dot fr
+***************************************************************************
+*                                                                         *
+*   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__ = 'Rashad Kanavath'
+__date__ = 'Janauary 2019'
+__copyright__ = '(C) 2019, CNES'
+
+# This will get replaced with a git SHA1 when you do a git archive
+
+__revision__ = ':%H$'
+
+import os
+import sys
+import unittest
+import hashlib
+import shutil
+import nose2
+
+from qgis.core import (QgsProcessingParameterNumber,
+                       QgsProcessingParameterDefinition)
+from qgis.testing import start_app, unittest
+#from processing.algs.otb.OtbChoiceWidget import OtbParameterChoice
+from processing.algs.otb.OtbAlgorithm import OtbAlgorithm
+from processing.algs.otb.OtbAlgorithmProvider import OtbAlgorithmProvider
+from processing.algs.otb.OtbSettings import OtbSettings
+from processing.core.ProcessingConfig import ProcessingConfig, Setting
+from processing.tools import dataobjects
+import AlgorithmsTestBase
+
+#export QGIS_DISABLE_MESSAGE_HOOKS=1
+#sys.path.append('/home/rashad/projects/qgis/qgis/build/output/python')
+#sys.path.append('/home/rashad/projects/qgis/qgis/build/output/python/plugins')
+#sys.path.append('/home/rashad/projects/qgis/otb-plugin')
+
+# /home/rashad/projects/otb/gitlab/build"
+OTB_INSTALL_DIR = os.environ.get('OTB_INSTALL_DIR')
+
+
+class TestOtbAlgorithms(unittest.TestCase, AlgorithmsTestBase.AlgorithmsTest):
+
+    #algList = []
+    def test_init_algorithms(self):
+        algs_txt = os.path.join(self.descrFolder, 'algs.txt')
+        with open(algs_txt) as lines:
+            line = lines.readline().strip('\n').strip()
+            if line != '' and line.startswith('#'):
+                version = line[1:]
+                print('version =', version)
+                line = lines.readline().strip('\n').strip()
+            while line != '' and not line.startswith('#'):
+                data = line.split('|')
+                descriptionFile = os.path.join(self.descrFolder, str(data[1]) + '.txt')
+                alg = OtbAlgorithm(data[0], data[1], descriptionFile)
+                print("Loading Algorithm: '{}' - OK".format(alg.id()))
+                ret, msg = alg.canExecute()
+                line = lines.readline().strip('\n').strip()
+                self.assertEqual(ret, True)
+
+    def test_choice_parameter_smoothing(self):
+        alg_smoothing = OtbAlgorithm('Image Filtering', 'Smoothing', os.path.join(self.descrFolder, 'Smoothing.txt'))
+        found = False
+        for param in alg_smoothing.parameterDefinitions():
+            ## print (param.name(), param.type())
+            if param.type() == 'OTBParameterChoice':
+                found = True
+                break
+        self.assertEqual(found, True)
+
+    @classmethod
+    def setUpClass(cls):
+        start_app()
+        cls.descrFolder = os.path.join(OTB_INSTALL_DIR, 'share', 'otb', 'description')
+        from processing.core.Processing import Processing
+        Processing.initialize()
+        ProcessingConfig.setSettingValue(OtbSettings.FOLDER, OTB_INSTALL_DIR)
+        ProcessingConfig.setSettingValue(OtbSettings.APP_FOLDER, os.path.join(OTB_INSTALL_DIR, 'lib', 'otb', 'applications'))
+        ProcessingConfig.setSettingValue("OTB_ACTIVATE", True)
+        ProcessingConfig.readSettings()
+        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 'otb_algorithm_tests.yaml'
+
+
+if __name__ == '__main__':
+    nose2.main()

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

@@ -0,0 +1,52 @@
+# See ../README.md for a description of the file format
+
+tests:
+  - algorithm: otb:Smoothing
+    name: Test (otb:Smoothing anidif)
+    params:
+      in:
+       name: raster.tif
+       type: file
+      type: anidif
+      type.anidif.conductance: 2.0
+      type.anidif.nbiter: 10
+      type.anidif.timestep: 0.125
+    results:
+      out:
+        hash: 481539d39d92ed9a63c493235a4696be79d82f25608f190ddedb4cdf
+        type: rasterhash
+
+  - algorithm: otb:Smoothing
+    name: Test (otb:Smoothing mean)
+    params:
+      in:
+        name: raster.tif
+        type: file
+      type: gaussian
+      type.gaussian.radius: 4.0
+    results:
+      out:
+        hash: b3fbccd6f41052317a435567a2633dae1d9b66772a4d8a3323d9b1c5
+        type: rasterhash
+
+  - algorithm: otb:HaralickTextureExtraction
+    name: Test (otb:HaralickTextureExtraction)
+    params:
+      channel: 1
+      in:
+        name: raster with spaces.tif
+        type: file
+      parameters.max: 255.0
+      parameters.min: 0.0
+      parameters.nbbin: 8
+      parameters.xoff: 1
+      parameters.xrad: 2
+      parameters.yoff: 1
+      parameters.yrad: 2
+      step: 1
+      texture: simple
+    results:
+      out:
+        hash: 3132281993d8474d5404f01fb5afa68c9648c282da5546823281cc1c
+        type: rasterhash
+