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 testStartAndDurationMode(self):
layer = QgsVectorLayer(
"Point?field=fldtxt:string&field=fldint:integer&field=start_field:datetime&field=duration:double",
"test", "memory")
self.assertTrue(layer.isValid())
self.assertEqual(layer.fields()[2].type(), QVariant.DateTime)
self.assertEqual(layer.fields()[3].type(), QVariant.Double)
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.
ModeFeatureDateTimeStartAndDurationFromFields)
props.setStartField('start_field')
props.setDurationField('duration')
props.setDurationUnits(QgsUnitTypes.TemporalMilliseconds)
self.assertFalse(props.createFilterString(layer, range))
props.setIsActive(True)
self.assertEqual(
props.createFilterString(layer, range),
'("start_field" <= make_datetime(2020,5,6,8,9,10) OR "start_field" IS NULL) AND (("start_field" + make_interval(0,0,0,0,0,0,"duration"/1000) >= make_datetime(2019,3,4,11,12,13)) OR "duration" IS NULL)'
)
props.setDurationUnits(QgsUnitTypes.TemporalSeconds)
self.assertEqual(
props.createFilterString(layer, range),
'("start_field" <= make_datetime(2020,5,6,8,9,10) OR "start_field" IS NULL) AND (("start_field" + make_interval(0,0,0,0,0,0,"duration") >= make_datetime(2019,3,4,11,12,13)) OR "duration" IS NULL)'
)
props.setDurationUnits(QgsUnitTypes.TemporalMinutes)
self.assertEqual(
props.createFilterString(layer, range),
'("start_field" <= make_datetime(2020,5,6,8,9,10) OR "start_field" IS NULL) AND (("start_field" + make_interval(0,0,0,0,0,"duration",0) >= make_datetime(2019,3,4,11,12,13)) OR "duration" IS NULL)'
)
props.setDurationUnits(QgsUnitTypes.TemporalHours)
self.assertEqual(
props.createFilterString(layer, range),
'("start_field" <= make_datetime(2020,5,6,8,9,10) OR "start_field" IS NULL) AND (("start_field" + make_interval(0,0,0,0,"duration",0,0) >= make_datetime(2019,3,4,11,12,13)) OR "duration" IS NULL)'
)
props.setDurationUnits(QgsUnitTypes.TemporalDays)
self.assertEqual(
props.createFilterString(layer, range),
'("start_field" <= make_datetime(2020,5,6,8,9,10) OR "start_field" IS NULL) AND (("start_field" + make_interval(0,0,0,"duration",0,0,0) >= make_datetime(2019,3,4,11,12,13)) OR "duration" IS NULL)'
)
props.setDurationUnits(QgsUnitTypes.TemporalWeeks)
self.assertEqual(
props.createFilterString(layer, range),
'("start_field" <= make_datetime(2020,5,6,8,9,10) OR "start_field" IS NULL) AND (("start_field" + make_interval(0,0,"duration",0,0,0,0) >= make_datetime(2019,3,4,11,12,13)) OR "duration" IS NULL)'
)
props.setDurationUnits(QgsUnitTypes.TemporalMonths)
self.assertEqual(
props.createFilterString(layer, range),
'("start_field" <= make_datetime(2020,5,6,8,9,10) OR "start_field" IS NULL) AND (("start_field" + make_interval(0,"duration",0,0,0,0,0) >= make_datetime(2019,3,4,11,12,13)) OR "duration" IS NULL)'
)
props.setDurationUnits(QgsUnitTypes.TemporalYears)
self.assertEqual(
props.createFilterString(layer, range),
'("start_field" <= make_datetime(2020,5,6,8,9,10) OR "start_field" IS NULL) AND (("start_field" + make_interval("duration",0,0,0,0,0,0) >= make_datetime(2019,3,4,11,12,13)) OR "duration" IS NULL)'
)
props.setDurationUnits(QgsUnitTypes.TemporalDecades)
self.assertEqual(
props.createFilterString(layer, range),
'("start_field" <= make_datetime(2020,5,6,8,9,10) OR "start_field" IS NULL) AND (("start_field" + make_interval(10 * "duration",0,0,0,0,0,0) >= make_datetime(2019,3,4,11,12,13)) OR "duration" IS NULL)'
)
props.setDurationUnits(QgsUnitTypes.TemporalCenturies)
self.assertEqual(
props.createFilterString(layer, range),
'("start_field" <= make_datetime(2020,5,6,8,9,10) OR "start_field" IS NULL) AND (("start_field" + make_interval(100 * "duration",0,0,0,0,0,0) >= make_datetime(2019,3,4,11,12,13)) OR "duration" IS NULL)'
)