def test_make_features_compatible_geometry(self):
"""Test corner cases for geometries"""
# Make a feature with no geometry
layer = self._make_layer('Point')
self.assertTrue(layer.isValid())
self.assertTrue(layer.startEditing())
f1 = QgsFeature(layer.fields())
f1.setAttributes([1])
# Check that it is accepted on a Point layer
new_features = make_features_compatible([f1], layer)
self.assertEqual(len(new_features), 1)
self.assertEqual(new_features[0].geometry().asWkt(), '')
# Make a geometry-less layer
nogeom_layer = QgsMemoryProviderUtils.createMemoryLayer(
'nogeom_layer', layer.fields(), QgsWkbTypes.NoGeometry, QgsCoordinateReferenceSystem(4326))
# Check that a geometry-less feature is accepted
new_features = make_features_compatible([f1], nogeom_layer)
self.assertEqual(len(new_features), 1)
self.assertEqual(new_features[0].geometry().asWkt(), '')
# Make a geometry-less layer
nogeom_layer = QgsMemoryProviderUtils.createMemoryLayer(
'nogeom_layer', layer.fields(), QgsWkbTypes.NoGeometry, QgsCoordinateReferenceSystem(4326))
# Check that a Point feature is accepted but geometry was dropped
f1.setGeometry(QgsGeometry.fromWkt('Point(9 45)'))
new_features = make_features_compatible([f1], nogeom_layer)
self.assertEqual(len(new_features), 1)
self.assertEqual(new_features[0].geometry().asWkt(), '')
def test_make_features_compatible_geometry(self):
"""Test corner cases for geometries"""
# Make a feature with no geometry
layer = self._make_layer('Point')
self.assertTrue(layer.isValid())
self.assertTrue(layer.startEditing())
f1 = QgsFeature(layer.fields())
f1.setAttributes([1])
# Check that it is accepted on a Point layer
new_features = make_features_compatible([f1], layer)
self.assertEqual(len(new_features), 1)
self.assertEqual(new_features[0].geometry().asWkt(), '')
# Make a geometry-less layer
nogeom_layer = QgsMemoryProviderUtils.createMemoryLayer(
'nogeom_layer', layer.fields(), QgsWkbTypes.NoGeometry,
QgsCoordinateReferenceSystem(4326))
# Check that a geometry-less feature is accepted
new_features = make_features_compatible([f1], nogeom_layer)
self.assertEqual(len(new_features), 1)
self.assertEqual(new_features[0].geometry().asWkt(), '')
# Make a geometry-less layer
nogeom_layer = QgsMemoryProviderUtils.createMemoryLayer(
'nogeom_layer', layer.fields(), QgsWkbTypes.NoGeometry,
QgsCoordinateReferenceSystem(4326))
# Check that a Point feature is accepted but geometry was dropped
f1.setGeometry(QgsGeometry.fromWkt('Point(9 45)'))
new_features = make_features_compatible([f1], nogeom_layer)
self.assertEqual(len(new_features), 1)
self.assertEqual(new_features[0].geometry().asWkt(), '')
def test_make_features_compatible_attributes(self):
"""Test corner cases for attributes"""
# Test feature without attributes
fields = QgsFields()
fields.append(QgsField('int_f', QVariant.Int))
fields.append(QgsField('str_f', QVariant.String))
layer = QgsMemoryProviderUtils.createMemoryLayer(
'mkfca_layer', fields, QgsWkbTypes.Point,
QgsCoordinateReferenceSystem(4326))
self.assertTrue(layer.isValid())
f1 = QgsFeature(layer.fields())
f1['int_f'] = 1
f1['str_f'] = 'str'
f1.setGeometry(QgsGeometry.fromWkt('Point(9 45)'))
new_features = make_features_compatible([f1], layer)
self.assertEqual(new_features[0].attributes(), f1.attributes())
self.assertTrue(new_features[0].geometry().asWkt(),
f1.geometry().asWkt())
# Test pad with 0 with fields
f1.setAttributes([])
new_features = make_features_compatible([f1], layer)
self.assertEqual(len(new_features[0].attributes()), 2)
self.assertEqual(new_features[0].attributes()[0], QVariant())
self.assertEqual(new_features[0].attributes()[1], QVariant())
# Test pad with 0 without fields
f1 = QgsFeature()
f1.setGeometry(QgsGeometry.fromWkt('Point(9 45)'))
new_features = make_features_compatible([f1], layer)
self.assertEqual(len(new_features[0].attributes()), 2)
self.assertEqual(new_features[0].attributes()[0], QVariant())
self.assertEqual(new_features[0].attributes()[1], QVariant())
# Test drop extra attrs
f1 = QgsFeature(layer.fields())
f1.setAttributes([1, 'foo', 'extra'])
f1.setGeometry(QgsGeometry.fromWkt('Point(9 45)'))
new_features = make_features_compatible([f1], layer)
self.assertEqual(len(new_features[0].attributes()), 2)
self.assertEqual(new_features[0].attributes()[0], 1)
self.assertEqual(new_features[0].attributes()[1], 'foo')
def test_make_features_compatible_attributes(self):
"""Test corner cases for attributes"""
# Test feature without attributes
fields = QgsFields()
fields.append(QgsField('int_f', QVariant.Int))
fields.append(QgsField('str_f', QVariant.String))
layer = QgsMemoryProviderUtils.createMemoryLayer(
'mkfca_layer', fields, QgsWkbTypes.Point, QgsCoordinateReferenceSystem(4326))
self.assertTrue(layer.isValid())
f1 = QgsFeature(layer.fields())
f1['int_f'] = 1
f1['str_f'] = 'str'
f1.setGeometry(QgsGeometry.fromWkt('Point(9 45)'))
new_features = make_features_compatible([f1], layer)
self.assertEqual(new_features[0].attributes(), f1.attributes())
self.assertTrue(new_features[0].geometry().asWkt(), f1.geometry().asWkt())
# Test pad with 0 with fields
f1.setAttributes([])
new_features = make_features_compatible([f1], layer)
self.assertEqual(len(new_features[0].attributes()), 2)
self.assertEqual(new_features[0].attributes()[0], QVariant())
self.assertEqual(new_features[0].attributes()[1], QVariant())
# Test pad with 0 without fields
f1 = QgsFeature()
f1.setGeometry(QgsGeometry.fromWkt('Point(9 45)'))
new_features = make_features_compatible([f1], layer)
self.assertEqual(len(new_features[0].attributes()), 2)
self.assertEqual(new_features[0].attributes()[0], QVariant())
self.assertEqual(new_features[0].attributes()[1], QVariant())
# Test drop extra attrs
f1 = QgsFeature(layer.fields())
f1.setAttributes([1, 'foo', 'extra'])
f1.setGeometry(QgsGeometry.fromWkt('Point(9 45)'))
new_features = make_features_compatible([f1], layer)
self.assertEqual(len(new_features[0].attributes()), 2)
self.assertEqual(new_features[0].attributes()[0], 1)
self.assertEqual(new_features[0].attributes()[1], 'foo')
def _make_compatible_tester(self, feature_wkt, layer_wkb_name, attrs=[1]):
layer = self._make_layer(layer_wkb_name)
layer.startEditing()
f = QgsFeature(layer.fields())
f.setAttributes(attrs)
f.setGeometry(QgsGeometry.fromWkt(feature_wkt))
self.assertTrue(f.isValid())
context = QgsProcessingContext()
context.setProject(QgsProject.instance())
# Fix it!
new_features = make_features_compatible([f], layer)
for new_f in new_features:
self.assertEqual(new_f.geometry().wkbType(), layer.wkbType())
self.assertTrue(layer.addFeatures(new_features), "Fail: %s - %s - %s" % (feature_wkt, attrs, layer_wkb_name))
return layer, new_features
def _make_compatible_tester(self, feature_wkt, layer_wkb_name, attrs=[1]):
layer = self._make_layer(layer_wkb_name)
layer.startEditing()
f = QgsFeature(layer.fields())
f.setAttributes(attrs)
f.setGeometry(QgsGeometry.fromWkt(feature_wkt))
self.assertTrue(f.isValid())
context = QgsProcessingContext()
context.setProject(QgsProject.instance())
# Fix it!
new_features = make_features_compatible([f], layer)
for new_f in new_features:
self.assertEqual(new_f.geometry().wkbType(), layer.wkbType())
self.assertTrue(
layer.addFeatures(new_features),
"Fail: %s - %s - %s" % (feature_wkt, attrs, layer_wkb_name))
return layer, new_features