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More default value tests

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Matthias Kuhn 2017-09-26 18:19:21 +02:00
parent 4c118be5be
commit 951b699c97
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1 changed files with 26 additions and 0 deletions
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tests/src/python/test_qgsvectorlayer.py
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@ -2089,6 +2089,32 @@ class TestQgsVectorLayer(unittest.TestCase, FeatureSourceTestCase):
layer.setDefaultValueDefinition(1, QgsDefaultValue('not a valid expression'))
self.assertFalse(layer.defaultValue(1))
def testApplyOnUpdateDefaultExpressions(self):
"""tests apply on update of default values"""
layer = createLayerWithOnePoint()
layer.setDefaultValueDefinition(0, QgsDefaultValue("CONCAT('l: ', @number, ',f: ', \"fldint\" )", True))
layer.setDefaultValueDefinition(1, QgsDefaultValue("1 * @number", False))
QgsExpressionContextUtils.setLayerVariable(layer, 'number', 4)
layer.startEditing()
feature = QgsFeature()
feature.setFields(layer.fields())
feature.setValid(True)
feature.setAttribute(1, layer.defaultValue(1, feature))
feature.setAttribute(0, layer.defaultValue(0, feature))
self.assertTrue(layer.addFeature(feature))
fid = feature.id()
self.assertEqual(layer.getFeature(fid)['fldtxt'], 'l: 4,f: 4')
self.assertEqual(layer.getFeature(fid)['fldint'], 4)
layer.changeAttributeValue(fid, 1, 20)
self.assertEqual(layer.getFeature(fid)['fldtxt'], 'l: 4,f: 20')
self.assertEqual(layer.getFeature(fid)['fldint'], 20)
def testGetSetConstraints(self):
""" test getting and setting field constraints """
layer = createLayerWithOnePoint()