[processing] added test for invalid geometry checking

Author: volaya

python/plugins/processing/tests/TestData.py

@@ -36,3 +36,7 @@ def table():
 
 def points():
     return os.path.join(testDataPath, 'points.gml')
+
+def invalid_geometries():
+	return os.path.join(testDataPath, 'invalidgeometries.gml')
+

python/plugins/processing/tests/ToolsTest.py

@@ -33,7 +33,7 @@
 from qgis.testing import start_app, unittest
 
 from processing.core.ProcessingConfig import ProcessingConfig
-from processing.tests.TestData import testDataPath, points
+from processing.tests.TestData import testDataPath, points, invalid_geometries
 from processing.tools import vector
 
 testDataPath = os.path.join(os.path.dirname(__file__), 'testdata')
@@ -98,7 +98,21 @@ def testFeatures(self):
         features = vector.features(test_layer, QgsFeatureRequest().setFlags(QgsFeatureRequest.NoGeometry))
         self.assertEqual(set([f.id() for f in features]), set([2, 4, 6]))
 
+        #test exception is raised when filtering invalid geoms
+        test_layer_invalid_geoms = QgsVectorLayer(invalid_geometries(), 'test', 'ogr')
+
+        previous_value_invalid_geoms = ProcessingConfig.getSetting(ProcessingConfig.FILTER_INVALID_GEOMETRIES)
+        ProcessingConfig.setSettingValue(ProcessingConfig.FILTER_INVALID_GEOMETRIES, 2)
+        try:
+            features = vector.features(test_layer_invalid_geoms)
+            features = [f for f in features]
+            self.fail()
+        except GeoAlgorithmExecutionException:
+            pass
+
+        ProcessingConfig.setSettingValue(ProcessingConfig.FILTER_INVALID_GEOMETRIES, previous_value_invalid_geoms)
         ProcessingConfig.setSettingValue(ProcessingConfig.USE_SELECTED, previous_value)
+        
 
     def testValues(self):
         ProcessingConfig.initialize()