def test_select_all_features(self):
"""Check that if there is no selection, the alg will run on all features"""
self.vl.rollBack()
self.vl.removeSelection()
old_count = self.vl.featureCount()
context = QgsProcessingContext()
context.setProject(QgsProject.instance())
feedback = ConsoleFeedBack()
alg = self.registry.createAlgorithmById('native:translategeometry')
self.assertIsNotNone(alg)
parameters = {
'DELTA_X': 1.1,
'DELTA_Y': 1.1,
}
parameters['INPUT'] = self.vl
parameters['OUTPUT'] = 'memory:'
old_features = [f for f in self.vl.getFeatures()]
ok, _ = execute_in_place_run(alg,
parameters,
context=context,
feedback=feedback,
raise_exceptions=True)
new_features = [f for f in self.vl.getFeatures()]
self.assertEqual(len(new_features), old_count)
# Check all are selected
self.assertEqual(len(self.vl.selectedFeatureIds()), old_count)
def _test_difference_on_invalid_geometries(self, geom_option):
polygon_layer = self._make_layer('Polygon')
self.assertTrue(polygon_layer.startEditing())
f = QgsFeature(polygon_layer.fields())
f.setAttributes([1])
# Flake!
f.setGeometry(
QgsGeometry.fromWkt('Polygon ((0 0, 2 2, 0 2, 2 0, 0 0))'))
self.assertTrue(f.isValid())
self.assertTrue(polygon_layer.addFeatures([f]))
polygon_layer.commitChanges()
polygon_layer.rollBack()
self.assertEqual(polygon_layer.featureCount(), 1)
overlay_layer = self._make_layer('Polygon')
self.assertTrue(overlay_layer.startEditing())
f = QgsFeature(overlay_layer.fields())
f.setAttributes([1])
f.setGeometry(
QgsGeometry.fromWkt('Polygon ((0 0, 2 0, 2 2, 0 2, 0 0))'))
self.assertTrue(f.isValid())
self.assertTrue(overlay_layer.addFeatures([f]))
overlay_layer.commitChanges()
overlay_layer.rollBack()
self.assertEqual(overlay_layer.featureCount(), 1)
QgsProject.instance().addMapLayers([polygon_layer, overlay_layer])
old_features = [f for f in polygon_layer.getFeatures()]
# 'Ignore features with invalid geometries' = 1
ProcessingConfig.setSettingValue(
ProcessingConfig.FILTER_INVALID_GEOMETRIES, geom_option)
feedback = ConsoleFeedBack()
context = dataobjects.createContext(feedback)
context.setProject(QgsProject.instance())
alg = self.registry.createAlgorithmById('native:difference')
self.assertIsNotNone(alg)
parameters = {
'OVERLAY': overlay_layer,
'INPUT': polygon_layer,
'OUTPUT': ':memory',
}
old_features = [f for f in polygon_layer.getFeatures()]
self.assertTrue(polygon_layer.startEditing())
polygon_layer.selectAll()
ok, _ = execute_in_place_run(alg,
parameters,
context=context,
feedback=feedback,
raise_exceptions=True)
new_features = [f for f in polygon_layer.getFeatures()]
return old_features, new_features
def _alg_tester(self, alg_name, input_layer, parameters):
alg = self.registry.createAlgorithmById(alg_name)
self.assertIsNotNone(alg)
parameters['INPUT'] = input_layer
parameters['OUTPUT'] = 'memory:'
old_features = [f for f in input_layer.getFeatures()]
input_layer.selectByIds([old_features[0].id()])
# Check selected
self.assertEqual(input_layer.selectedFeatureIds(),
[old_features[0].id()], alg_name)
context = QgsProcessingContext()
context.setProject(QgsProject.instance())
feedback = ConsoleFeedBack()
input_layer.rollBack()
ok = False
ok, _ = execute_in_place_run(alg,
parameters,
context=context,
feedback=feedback,
raise_exceptions=True)
new_features = [f for f in input_layer.getFeatures()]
# Check ret values
self.assertTrue(ok, alg_name)
# Check geometry types (drop Z or M)
self.assertEqual(new_features[0].geometry().wkbType(),
old_features[0].geometry().wkbType())
return old_features, new_features
def test_select_all_features(self):
"""Check that if there is no selection, the alg will run on all features"""
self.vl.rollBack()
self.vl.removeSelection()
old_count = self.vl.featureCount()
context = QgsProcessingContext()
context.setProject(QgsProject.instance())
feedback = ConsoleFeedBack()
alg = self.registry.createAlgorithmById('native:translategeometry')
self.assertIsNotNone(alg)
parameters = {
'DELTA_X': 1.1,
'DELTA_Y': 1.1,
}
parameters['INPUT'] = self.vl
parameters['OUTPUT'] = 'memory:'
old_features = [f for f in self.vl.getFeatures()]
ok, _ = execute_in_place_run(
alg, parameters, context=context, feedback=feedback, raise_exceptions=True)
new_features = [f for f in self.vl.getFeatures()]
self.assertEqual(len(new_features), old_count)
# Check all are selected
self.assertEqual(len(self.vl.selectedFeatureIds()), old_count)
def _alg_tester(self, alg_name, input_layer, parameters):
alg = self.registry.createAlgorithmById(alg_name)
self.assertIsNotNone(alg)
parameters['INPUT'] = input_layer
parameters['OUTPUT'] = 'memory:'
old_features = [f for f in input_layer.getFeatures()]
input_layer.selectByIds([old_features[0].id()])
# Check selected
self.assertEqual(input_layer.selectedFeatureIds(), [old_features[0].id()], alg_name)
context = QgsProcessingContext()
context.setProject(QgsProject.instance())
feedback = ConsoleFeedBack()
input_layer.rollBack()
ok = False
ok, _ = execute_in_place_run(
alg, parameters, context=context, feedback=feedback, raise_exceptions=True)
new_features = [f for f in input_layer.getFeatures()]
# Check ret values
self.assertTrue(ok, alg_name)
# Check geometry types (drop Z or M)
self.assertEqual(new_features[0].geometry().wkbType(), old_features[0].geometry().wkbType())
return old_features, new_features
def _test_difference_on_invalid_geometries(self, geom_option):
polygon_layer = self._make_layer('Polygon')
self.assertTrue(polygon_layer.startEditing())
f = QgsFeature(polygon_layer.fields())
f.setAttributes([1])
# Flake!
f.setGeometry(QgsGeometry.fromWkt('Polygon ((0 0, 2 2, 0 2, 2 0, 0 0))'))
self.assertTrue(f.isValid())
self.assertTrue(polygon_layer.addFeatures([f]))
polygon_layer.commitChanges()
polygon_layer.rollBack()
self.assertEqual(polygon_layer.featureCount(), 1)
overlay_layer = self._make_layer('Polygon')
self.assertTrue(overlay_layer.startEditing())
f = QgsFeature(overlay_layer.fields())
f.setAttributes([1])
f.setGeometry(QgsGeometry.fromWkt('Polygon ((0 0, 2 0, 2 2, 0 2, 0 0))'))
self.assertTrue(f.isValid())
self.assertTrue(overlay_layer.addFeatures([f]))
overlay_layer.commitChanges()
overlay_layer.rollBack()
self.assertEqual(overlay_layer.featureCount(), 1)
QgsProject.instance().addMapLayers([polygon_layer, overlay_layer])
old_features = [f for f in polygon_layer.getFeatures()]
# 'Ignore features with invalid geometries' = 1
ProcessingConfig.setSettingValue(ProcessingConfig.FILTER_INVALID_GEOMETRIES, geom_option)
feedback = ConsoleFeedBack()
context = dataobjects.createContext(feedback)
context.setProject(QgsProject.instance())
alg = self.registry.createAlgorithmById('native:difference')
self.assertIsNotNone(alg)
parameters = {
'OVERLAY': overlay_layer,
'INPUT': polygon_layer,
'OUTPUT': ':memory',
}
old_features = [f for f in polygon_layer.getFeatures()]
self.assertTrue(polygon_layer.startEditing())
polygon_layer.selectAll()
ok, _ = execute_in_place_run(
alg, parameters, context=context, feedback=feedback, raise_exceptions=True)
new_features = [f for f in polygon_layer.getFeatures()]
return old_features, new_features
def test_unique_constraints(self):
"""Test issue #31634"""
temp_dir = QTemporaryDir()
temp_path = temp_dir.path()
gpkg_name = 'bug_31634_Multi_to_Singleparts_FID.gpkg'
gpkg_path = os.path.join(temp_path, gpkg_name)
shutil.copyfile(os.path.join(unitTestDataPath(), gpkg_name), gpkg_path)
gpkg_layer = QgsVectorLayer(
gpkg_path + '|layername=Multi_to_Singleparts_FID_bug', 'lyr',
'ogr')
self.assertTrue(gpkg_layer.isValid())
QgsProject.instance().addMapLayers([gpkg_layer])
# Test that makeFeaturesCompatible set to NULL unique constraint fields
feature = next(gpkg_layer.getFeatures())
feedback = ConsoleFeedBack()
context = dataobjects.createContext(feedback)
context.setProject(QgsProject.instance())
alg = self.registry.createAlgorithmById(
'native:multiparttosingleparts')
self.assertIsNotNone(alg)
parameters = {
'INPUT': gpkg_layer,
'OUTPUT': ':memory',
}
ok, _ = execute_in_place_run(alg,
parameters,
context=context,
feedback=feedback,
raise_exceptions=True)
pks = set()
for f in gpkg_layer.getFeatures():
pks.add(f.attribute(0))
self.assertTrue(gpkg_layer.commitChanges())
