def testReadWrite(self):
props = QgsVectorLayerTemporalProperties()
props.setMode(QgsVectorLayerTemporalProperties.
ModeFeatureDateTimeInstantFromField)
props.setFixedTemporalRange(
QgsDateTimeRange(QDateTime(QDate(2019, 3, 4), QTime(11, 12, 13)),
QDateTime(QDate(2020, 5, 6), QTime(8, 9, 10))))
props.setStartField('start')
props.setEndField('end')
props.setDurationField('duration')
props.setDurationUnits(QgsUnitTypes.TemporalWeeks)
props.setFixedDuration(5.6)
props.setAccumulateFeatures(True)
props.setStartExpression('start exp')
props.setEndExpression('end exp')
# save to xml
doc = QDomDocument("testdoc")
elem = doc.createElement('test')
elem = props.writeXml(elem, doc, QgsReadWriteContext())
# restore from xml
props2 = QgsVectorLayerTemporalProperties()
self.assertTrue(props2.readXml(elem, QgsReadWriteContext()))
self.assertEqual(props2.mode(), props.mode())
self.assertEqual(props2.fixedTemporalRange(),
props.fixedTemporalRange())
self.assertEqual(props2.startField(), props.startField())
self.assertEqual(props2.endField(), props.endField())
self.assertEqual(props2.durationField(), props.durationField())
self.assertEqual(props2.durationUnits(), props.durationUnits())
self.assertEqual(props2.fixedDuration(), props.fixedDuration())
self.assertEqual(props2.accumulateFeatures(),
props.accumulateFeatures())
self.assertEqual(props2.startExpression(), props.startExpression())
self.assertEqual(props2.endExpression(), props.endExpression())
def testExpressionMode(self):
layer = QgsVectorLayer(
"Point?field=fldtxt:string&field=fldint:integer&field=start_field:datetime&field=end_field:datetime",
"test", "memory")
self.assertTrue(layer.isValid())
self.assertEqual(layer.fields()[2].type(), QVariant.DateTime)
self.assertEqual(layer.fields()[3].type(), QVariant.DateTime)
range = QgsDateTimeRange(
QDateTime(QDate(2019, 3, 4), QTime(11, 12, 13)),
QDateTime(QDate(2020, 5, 6), QTime(8, 9, 10)))
props = QgsVectorLayerTemporalProperties(enabled=False)
props.setMode(QgsVectorLayerTemporalProperties.
ModeFeatureDateTimeStartAndEndFromExpressions)
props.setStartExpression(
'to_datetime("my string field", \'yyyy MM dd hh::mm:ss\')"')
props.setEndExpression(
'to_datetime("my end field", \'yyyy MM dd hh::mm:ss\')"')
self.assertFalse(props.createFilterString(layer, range))
props.setIsActive(True)
self.assertEqual(
props.createFilterString(layer, range),
'((to_datetime("my string field", \'yyyy MM dd hh::mm:ss\')") <= make_datetime(2020,5,6,8,9,10)) AND ((to_datetime("my end field", \'yyyy MM dd hh::mm:ss\')") >= make_datetime(2019,3,4,11,12,13))'
)
range = QgsDateTimeRange(QDateTime(QDate(2019, 3, 4),
QTime(11, 12, 13)),
QDateTime(QDate(2020, 5, 6), QTime(8, 9, 10)),
includeBeginning=False)
self.assertEqual(
props.createFilterString(layer, range),
'((to_datetime("my string field", \'yyyy MM dd hh::mm:ss\')") <= make_datetime(2020,5,6,8,9,10)) AND ((to_datetime("my end field", \'yyyy MM dd hh::mm:ss\')") > make_datetime(2019,3,4,11,12,13))'
)
range = QgsDateTimeRange(QDateTime(QDate(2019, 3, 4),
QTime(11, 12, 13)),
QDateTime(QDate(2020, 5, 6), QTime(8, 9, 10)),
includeEnd=False)
self.assertEqual(
props.createFilterString(layer, range),
'((to_datetime("my string field", \'yyyy MM dd hh::mm:ss\')") < make_datetime(2020,5,6,8,9,10)) AND ((to_datetime("my end field", \'yyyy MM dd hh::mm:ss\')") >= make_datetime(2019,3,4,11,12,13))'
)
props.setEndExpression('')
self.assertEqual(
props.createFilterString(layer, range),
'(to_datetime("my string field", \'yyyy MM dd hh::mm:ss\')") <= make_datetime(2020,5,6,8,9,10)'
)
range = QgsDateTimeRange(QDateTime(QDate(2019, 3, 4),
QTime(11, 12, 13)),
QDateTime(QDate(2020, 5, 6), QTime(8, 9, 10)),
includeBeginning=False)
self.assertEqual(
props.createFilterString(layer, range),
'(to_datetime("my string field", \'yyyy MM dd hh::mm:ss\')") < make_datetime(2020,5,6,8,9,10)'
)
range = QgsDateTimeRange(QDateTime(QDate(2019, 3, 4),
QTime(11, 12, 13)),
QDateTime(QDate(2020, 5, 6), QTime(8, 9, 10)),
includeEnd=False)
self.assertEqual(
props.createFilterString(layer, range),
'(to_datetime("my string field", \'yyyy MM dd hh::mm:ss\')") <= make_datetime(2020,5,6,8,9,10)'
)
props.setStartExpression('')
props.setEndExpression(
'to_datetime("my end field", \'yyyy MM dd hh::mm:ss\')"')
self.assertEqual(
props.createFilterString(layer, range),
'(to_datetime("my end field", \'yyyy MM dd hh::mm:ss\')") >= make_datetime(2019,3,4,11,12,13)'
)
range = QgsDateTimeRange(QDateTime(QDate(2019, 3, 4),
QTime(11, 12, 13)),
QDateTime(QDate(2020, 5, 6), QTime(8, 9, 10)),
includeBeginning=False)
self.assertEqual(
props.createFilterString(layer, range),
'(to_datetime("my end field", \'yyyy MM dd hh::mm:ss\')") > make_datetime(2019,3,4,11,12,13)'
)
range = QgsDateTimeRange(QDateTime(QDate(2019, 3, 4),
QTime(11, 12, 13)),
QDateTime(QDate(2020, 5, 6), QTime(8, 9, 10)),
includeEnd=False)
self.assertEqual(
props.createFilterString(layer, range),
'(to_datetime("my end field", \'yyyy MM dd hh::mm:ss\')") >= make_datetime(2019,3,4,11,12,13)'
)