def test_SagaVectorAlgorithmWithSelection(self):
layer = processing.getObject(polygons2());
feature = layer.getFeatures().next()
selected = [feature.id()]
layer.setSelectedFeatures(selected)
outputs=processing.runalg("saga:polygoncentroids",polygons2(),True,None)
layer.setSelectedFeatures([])
output=outputs['CENTROIDS']
layer=dataobjects.getObjectFromUri(output, True)
fields=layer.pendingFields()
expectednames=['ID','POLY_NUM_B','POLY_ST_B']
expectedtypes=['Real','Real','String']
names=[str(f.name()) for f in fields]
types=[str(f.typeName()) for f in fields]
self.assertEqual(expectednames, names)
self.assertEqual(expectedtypes, types)
features=processing.features(layer)
self.assertEqual(1, len(features))
feature=features.next()
attrs=feature.attributes()
expectedvalues=["2","1","string a"]
values=[str(attr) for attr in attrs]
self.assertEqual(expectedvalues, values)
wkt='POINT(270806.69221918 4458924.97720492)'
self.assertEqual(wkt, str(feature.geometry().exportToWkt()))
def test_SagaVectorAlgorithmWithSelection(self):
layer = processing.getObject(polygons2())
feature = layer.getFeatures().next()
selected = [feature.id()]
layer.setSelectedFeatures(selected)
outputs = processing.runalg('saga:polygoncentroids', polygons2(),
True, None)
layer.setSelectedFeatures([])
output = outputs['CENTROIDS']
layer = dataobjects.getObjectFromUri(output, True)
fields = layer.pendingFields()
expectednames = ['ID', 'POLY_NUM_B', 'POLY_ST_B']
expectedtypes = ['Real', 'Real', 'String']
names = [unicode(f.name()) for f in fields]
types = [unicode(f.typeName()) for f in fields]
self.assertEqual(expectednames, names)
self.assertEqual(expectedtypes, types)
features = processing.features(layer)
self.assertEqual(1, len(features))
feature = features.next()
attrs = feature.attributes()
expectedvalues = ['2', '1', 'string a']
values = [unicode(attr) for attr in attrs]
self.assertEqual(expectedvalues, values)
wkt = 'POINT(270806.69221918 4458924.97720492)'
self.assertEqual(wkt, unicode(feature.geometry().exportToWkt()))