def testFilter(self):
""" test calculating aggregate with filter """
layer = QgsVectorLayer("Point?field=fldint:integer", "layer", "memory")
pr = layer.dataProvider()
int_values = [4, 2, 3, 2, 5, None, 8]
features = []
for v in int_values:
f = QgsFeature()
f.setFields(layer.fields())
f.setAttributes([v])
features.append(f)
assert pr.addFeatures(features)
agg = QgsAggregateCalculator(layer)
filter_string = "fldint > 2"
agg.setFilter(filter_string)
self.assertEqual(agg.filter(), filter_string)
val, ok = agg.calculate(QgsAggregateCalculator.Sum, 'fldint')
self.assertTrue(ok)
self.assertEqual(val, 20)
# remove filter and retest
agg.setFilter(None)
val, ok = agg.calculate(QgsAggregateCalculator.Sum, 'fldint')
self.assertTrue(ok)
self.assertEqual(val, 24)
def testFilter(self):
""" test calculating aggregate with filter """
layer = QgsVectorLayer("Point?field=fldint:integer", "layer", "memory")
pr = layer.dataProvider()
int_values = [4, 2, 3, 2, 5, None, 8]
features = []
for v in int_values:
f = QgsFeature()
f.setFields(layer.fields())
f.setAttributes([v])
features.append(f)
assert pr.addFeatures(features)
agg = QgsAggregateCalculator(layer)
filter_string = "fldint > 2"
agg.setFilter(filter_string)
self.assertEqual(agg.filter(), filter_string)
val, ok = agg.calculate(QgsAggregateCalculator.Sum, 'fldint')
self.assertTrue(ok)
self.assertEqual(val, 20)
# remove filter and retest
agg.setFilter(None)
val, ok = agg.calculate(QgsAggregateCalculator.Sum, 'fldint')
self.assertTrue(ok)
self.assertEqual(val, 24)
def testParameters(self):
""" Test setting parameters"""
a = QgsAggregateCalculator(None)
params = QgsAggregateCalculator.AggregateParameters()
params.filter = 'string filter'
params.delimiter = 'delim'
a.setParameters(params)
self.assertEqual(a.filter(), 'string filter')
self.assertEqual(a.delimiter(), 'delim')
def testParameters(self):
""" Test setting parameters"""
a = QgsAggregateCalculator(None)
params = QgsAggregateCalculator.AggregateParameters()
params.filter = 'string filter'
params.delimiter = 'delim'
a.setParameters(params)
self.assertEqual(a.filter(), 'string filter')
self.assertEqual(a.delimiter(), 'delim')
def testParameters(self):
""" Test setting parameters"""
a = QgsAggregateCalculator(None)
params = QgsAggregateCalculator.AggregateParameters()
params.filter = "string filter"
params.delimiter = "delim"
a.setParameters(params)
self.assertEqual(a.filter(), "string filter")
self.assertEqual(a.delimiter(), "delim")
