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test_qgsvectorlayertemporalproperties.py
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test_qgsvectorlayertemporalproperties.py
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"""QGIS Unit tests for QgsVectorLayerTemporalProperties
.. note:: This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
"""
__author__ = 'Nyall Dawson'
__date__ = '73/05/2020'
__copyright__ = 'Copyright 2020, The QGIS Project'
from qgis.PyQt.QtCore import QDate, QDateTime, QTime, QVariant
from qgis.PyQt.QtXml import QDomDocument
from qgis.core import (
Qgis,
QgsDateTimeRange,
QgsReadWriteContext,
QgsUnitTypes,
QgsVectorDataProviderTemporalCapabilities,
QgsVectorLayer,
QgsVectorLayerTemporalContext,
QgsVectorLayerTemporalProperties,
)
import unittest
from qgis.testing import start_app, QgisTestCase
app = start_app()
class TestQgsVectorLayerTemporalProperties(QgisTestCase):
def testReadWrite(self):
props = QgsVectorLayerTemporalProperties()
props.setMode(QgsVectorLayerTemporalProperties.TemporalMode.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.TemporalUnit.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 testModeFromProvider(self):
caps = QgsVectorDataProviderTemporalCapabilities()
props = QgsVectorLayerTemporalProperties()
props.setDefaultsFromDataProviderTemporalCapabilities(caps)
self.assertFalse(props.isActive())
caps.setHasTemporalCapabilities(True)
caps.setAvailableTemporalRange(QgsDateTimeRange(QDateTime(2006, 3, 11, 0, 13, 20), QDateTime(2017, 2, 14, 1, 33, 20)))
props.setDefaultsFromDataProviderTemporalCapabilities(caps)
self.assertTrue(props.isActive())
self.assertFalse(props.startField())
self.assertFalse(props.endField())
self.assertEqual(props.mode(), QgsVectorLayerTemporalProperties.TemporalMode.ModeFixedTemporalRange)
self.assertEqual(props.fixedTemporalRange().begin(), QDateTime(2006, 3, 11, 0, 13, 20))
self.assertEqual(props.fixedTemporalRange().end(), QDateTime(2017, 2, 14, 1, 33, 20))
caps.setStartField('start_field')
caps.setMode(QgsVectorDataProviderTemporalCapabilities.TemporalMode.ProviderStoresFeatureDateTimeInstantInField)
props.setDefaultsFromDataProviderTemporalCapabilities(caps)
self.assertTrue(props.isActive())
self.assertEqual(props.startField(), 'start_field')
self.assertFalse(props.endField())
self.assertEqual(props.mode(), QgsVectorLayerTemporalProperties.TemporalMode.ModeFeatureDateTimeInstantFromField)
caps.setEndField('end_field')
caps.setMode(QgsVectorDataProviderTemporalCapabilities.TemporalMode.ProviderStoresFeatureDateTimeStartAndEndInSeparateFields)
props.setDefaultsFromDataProviderTemporalCapabilities(caps)
self.assertTrue(props.isActive())
self.assertEqual(props.startField(), 'start_field')
self.assertEqual(props.endField(), 'end_field')
self.assertEqual(props.mode(), QgsVectorLayerTemporalProperties.TemporalMode.ModeFeatureDateTimeStartAndEndFromFields)
def testGuessDefaultsFromFields(self):
layer = QgsVectorLayer("Point?field=start_date:string&field=end_date:integer", "test", "memory")
self.assertTrue(layer.isValid())
# no date/datetime fields, should not guess anything
props = layer.temporalProperties()
self.assertFalse(props.isActive())
self.assertFalse(props.startField())
self.assertFalse(props.endField())
# datetime fields, but not expected names
layer = QgsVectorLayer("Point?field=date_created:date&field=date_modified:date", "test", "memory")
self.assertTrue(layer.isValid())
props = layer.temporalProperties()
self.assertFalse(props.isActive())
self.assertFalse(props.startField())
self.assertFalse(props.endField())
# sample table with likely single field
layer = QgsVectorLayer("Point?field=event_id:integer&field=event_date:date", "test", "memory")
self.assertTrue(layer.isValid())
props = layer.temporalProperties()
self.assertFalse(props.isActive())
self.assertEqual(props.startField(), 'event_date')
self.assertFalse(props.endField())
self.assertEqual(props.mode(), QgsVectorLayerTemporalProperties.TemporalMode.ModeFeatureDateTimeInstantFromField)
# sample table with likely dual fields
layer = QgsVectorLayer("Point?field=event_id:integer&field=start_date:datetime&field=end_date:datetime", "test", "memory")
self.assertTrue(layer.isValid())
props = layer.temporalProperties()
self.assertFalse(props.isActive())
self.assertEqual(props.startField(), 'start_date')
self.assertEqual(props.endField(), 'end_date')
self.assertEqual(props.mode(), QgsVectorLayerTemporalProperties.TemporalMode.ModeFeatureDateTimeStartAndEndFromFields)
def testFixedRangeMode(self):
props = QgsVectorLayerTemporalProperties(enabled=True)
props.setMode(QgsVectorLayerTemporalProperties.TemporalMode.ModeFixedTemporalRange)
props.setFixedTemporalRange(QgsDateTimeRange(QDateTime(QDate(2019, 3, 4), QTime(11, 12, 13)), QDateTime(QDate(2020, 5, 6), QTime(8, 9, 10))))
self.assertTrue(props.isVisibleInTemporalRange(QgsDateTimeRange(QDateTime(QDate(2019, 3, 4), QTime(11, 12, 13)), QDateTime(QDate(2020, 5, 6), QTime(8, 9, 10)))))
self.assertTrue(props.isVisibleInTemporalRange(QgsDateTimeRange(QDateTime(QDate(2019, 1, 4), QTime(11, 12, 13)), QDateTime(QDate(2019, 5, 6), QTime(8, 9, 10)))))
self.assertTrue(props.isVisibleInTemporalRange(QgsDateTimeRange(QDateTime(QDate(2020, 3, 4), QTime(11, 12, 13)), QDateTime(QDate(2019, 9, 6), QTime(8, 9, 10)))))
self.assertFalse(props.isVisibleInTemporalRange(QgsDateTimeRange(QDateTime(QDate(2120, 3, 4), QTime(11, 12, 13)), QDateTime(QDate(2121, 9, 6), QTime(8, 9, 10)))))
self.assertFalse(props.isVisibleInTemporalRange(QgsDateTimeRange(QDateTime(QDate(1920, 3, 4), QTime(11, 12, 13)), QDateTime(QDate(1921, 9, 6), QTime(8, 9, 10)))))
layer = QgsVectorLayer("Point?field=fldtxt:string&field=fldint:integer&field=start_field:datetime", "test", "memory")
context = QgsVectorLayerTemporalContext()
context.setLayer(layer)
range = QgsDateTimeRange(QDateTime(QDate(2019, 3, 4), QTime(11, 12, 13)), QDateTime(QDate(2020, 5, 6), QTime(8, 9, 10)))
# ALWAYS must be empty for ModeFixedTemporalRange
self.assertFalse(props.createFilterString(context, range))
def testSingleFieldMode(self):
# testing both a layer/context with Datetime field as one with Date (only) field, as the last one should be added a cast to datetime
datetime_layer = QgsVectorLayer("Point?field=fldtxt:string&field=fldint:integer&field=start_field:datetime", "test", "memory")
self.assertTrue(datetime_layer.isValid())
self.assertEqual(datetime_layer.fields()[2].type(), QVariant.DateTime)
datetime_context = QgsVectorLayerTemporalContext()
datetime_context.setLayer(datetime_layer)
date_layer = QgsVectorLayer("Point?field=fldtxt:string&field=fldint:integer&field=start_field:date", "test", "memory")
self.assertTrue(date_layer.isValid())
self.assertEqual(date_layer.fields()[2].type(), QVariant.Date)
date_context = QgsVectorLayerTemporalContext()
date_context.setLayer(date_layer)
# default QgsDateTimeRange includes beginning AND end
filter_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.TemporalMode.ModeFeatureDateTimeInstantFromField)
props.setStartField('start_field')
# createFilterString should return QString() (== '' in Python world) in case the QgsVectorLayerTemporalProperties is not yet active
self.assertEqual('', props.createFilterString(datetime_context, filter_range))
props.setIsActive(True)
# map range [-------------------------]
# feature ranges . . | (false)
# . | (true)
# . | . (true)
# | . (true)
# | . . (false)
#
# => feature time <= end of range AND feature time >= start of range
self.assertEqual(props.createFilterString(datetime_context, filter_range), '("start_field" >= make_datetime(2019,3,4,11,12,13) AND "start_field" <= make_datetime(2020,5,6,8,9,10)) OR "start_field" IS NULL')
self.assertEqual(props.createFilterString(date_context, filter_range), '(to_datetime( "start_field" ) >= make_datetime(2019,3,4,11,12,13) AND to_datetime( "start_field" ) <= make_datetime(2020,5,6,8,9,10)) OR to_datetime( "start_field" ) IS NULL')
filter_range = QgsDateTimeRange(QDateTime(QDate(2019, 3, 4), QTime(11, 12, 13)), QDateTime(QDate(2020, 5, 6), QTime(8, 9, 10)), includeBeginning=False, includeEnd=False)
# map range (-------------------------)
# feature ranges . . | (false)
# . | (false)
# . | . (true)
# | . (false)
# | . . (false)
#
# => feature time < end of range AND feature time > start of range
self.assertEqual(props.createFilterString(datetime_context, filter_range), '("start_field" > make_datetime(2019,3,4,11,12,13) AND "start_field" < make_datetime(2020,5,6,8,9,10)) OR "start_field" IS NULL')
self.assertEqual(props.createFilterString(date_context, filter_range), '(to_datetime( "start_field" ) > make_datetime(2019,3,4,11,12,13) AND to_datetime( "start_field" ) < make_datetime(2020,5,6,8,9,10)) OR to_datetime( "start_field" ) IS NULL')
filter_range = QgsDateTimeRange(QDateTime(QDate(2019, 3, 4), QTime(11, 12, 13)), QDateTime(QDate(2020, 5, 6), QTime(8, 9, 10)), includeBeginning=False)
# map range (-------------------------]
# feature ranges . . | (false)
# . | (true)
# . | . (true)
# | . (false)
# | . . (false)
#
# => feature time <= end of range AND feature time > start of range
self.assertEqual(props.createFilterString(datetime_context, filter_range), '("start_field" > make_datetime(2019,3,4,11,12,13) AND "start_field" <= make_datetime(2020,5,6,8,9,10)) OR "start_field" IS NULL')
self.assertEqual(props.createFilterString(date_context, filter_range), '(to_datetime( "start_field" ) > make_datetime(2019,3,4,11,12,13) AND to_datetime( "start_field" ) <= make_datetime(2020,5,6,8,9,10)) OR to_datetime( "start_field" ) IS NULL')
filter_range = QgsDateTimeRange(QDateTime(QDate(2019, 3, 4), QTime(11, 12, 13)), QDateTime(QDate(2020, 5, 6), QTime(8, 9, 10)), includeEnd=False)
# map range [-------------------------)
# feature ranges . . | (false)
# . | (false)
# . | . (true)
# | . (true)
# | . . (false)
#
# => feature time < end of range AND feature time >= start of range
self.assertEqual(props.createFilterString(datetime_context, filter_range), '("start_field" >= make_datetime(2019,3,4,11,12,13) AND "start_field" < make_datetime(2020,5,6,8,9,10)) OR "start_field" IS NULL')
self.assertEqual(props.createFilterString(date_context, filter_range), '(to_datetime( "start_field" ) >= make_datetime(2019,3,4,11,12,13) AND to_datetime( "start_field" ) < make_datetime(2020,5,6,8,9,10)) OR to_datetime( "start_field" ) IS NULL')
# with fixed duration
props.setFixedDuration(3)
props.setDurationUnits(QgsUnitTypes.TemporalUnit.TemporalDays)
filter_range = QgsDateTimeRange(QDateTime(QDate(2019, 3, 4), QTime(11, 12, 13)), QDateTime(QDate(2020, 5, 6), QTime(8, 9, 10)))
# map range [-------------------------]
# feature ranges . . [-------) (false)
# . [-------) (true)
# . [---.---) (true)
# . [-------) . (true)
# [-------) . (true)
# [---.---) . (true)
# [-------) . (false)
# [-------) . . (false)
#
# => start of feature <= end of range AND start of feature + duration > start of range
# OR start of feature <= end of range AND start of feature > start of range - duration
self.assertEqual(props.createFilterString(datetime_context, filter_range), '("start_field" > make_datetime(2019,3,1,11,12,13) AND "start_field" <= make_datetime(2020,5,6,8,9,10)) OR "start_field" IS NULL')
self.assertEqual(props.createFilterString(date_context, filter_range), '(to_datetime( "start_field" ) > make_datetime(2019,3,1,11,12,13) AND to_datetime( "start_field" ) <= make_datetime(2020,5,6,8,9,10)) OR to_datetime( "start_field" ) IS NULL')
filter_range = QgsDateTimeRange(QDateTime(QDate(2019, 3, 4), QTime(11, 12, 13)), QDateTime(QDate(2020, 5, 6), QTime(8, 9, 10)), includeBeginning=False, includeEnd=False)
# map range (-------------------------)
# feature ranges . . [-------) (false)
# . [-------) (false)
# . [---.---) (true)
# . [-------) . (true)
# [-------) . (true)
# [---.---) . (true)
# [-------) . (false)
# [-------) . . (false)
#
# => start of feature < end of range AND start of feature + duration > start of range
# OR start of feature < end of range AND start of feature > start of range - duration
self.assertEqual(props.createFilterString(datetime_context, filter_range), '("start_field" > make_datetime(2019,3,1,11,12,13) AND "start_field" < make_datetime(2020,5,6,8,9,10)) OR "start_field" IS NULL')
self.assertEqual(props.createFilterString(date_context, filter_range), '(to_datetime( "start_field" ) > make_datetime(2019,3,1,11,12,13) AND to_datetime( "start_field" ) < make_datetime(2020,5,6,8,9,10)) OR to_datetime( "start_field" ) IS NULL')
filter_range = QgsDateTimeRange(QDateTime(QDate(2019, 3, 4), QTime(11, 12, 13)), QDateTime(QDate(2020, 5, 6), QTime(8, 9, 10)), includeBeginning=False)
# map range (-------------------------]
# feature ranges . . [-------) (false)
# . [-------) (true)
# . [---.---) (true)
# . [-------) . (true)
# [-------) . (true)
# [---.---) . (true)
# [-------) . (false)
# [-------) . . (false)
#
# => start of feature <= end of range AND start of feature + duration > start of range
# OR start of feature <= end of range AND start of feature > start of range - duration
self.assertEqual(props.createFilterString(datetime_context, filter_range), '("start_field" > make_datetime(2019,3,1,11,12,13) AND "start_field" <= make_datetime(2020,5,6,8,9,10)) OR "start_field" IS NULL')
self.assertEqual(props.createFilterString(date_context, filter_range), '(to_datetime( "start_field" ) > make_datetime(2019,3,1,11,12,13) AND to_datetime( "start_field" ) <= make_datetime(2020,5,6,8,9,10)) OR to_datetime( "start_field" ) IS NULL')
# THIS is the QGIS default: using a range with includeBeginning=true and includeEnd=false
# and the temporal properties exactly the same
filter_range = QgsDateTimeRange(QDateTime(QDate(2019, 3, 4), QTime(11, 12, 13)), QDateTime(QDate(2020, 5, 6), QTime(8, 9, 10)), includeEnd=False)
# map range [-------------------------)
# feature ranges . . [-------) (false)
# . [-------) (false)
# . [---.---) (true)
# . [-------) . (true)
# [-------) . (true)
# [---.---) . (true)
# [-------) . (false)
# [-------) . . (false)
#
# => start of feature < end of range AND start of feature + duration > start of range
# OR start of feature < end of range AND start of feature > start of range - duration
self.assertEqual(props.createFilterString(datetime_context, filter_range), '("start_field" > make_datetime(2019,3,1,11,12,13) AND "start_field" < make_datetime(2020,5,6,8,9,10)) OR "start_field" IS NULL')
self.assertEqual(props.createFilterString(date_context, filter_range), '(to_datetime( "start_field" ) > make_datetime(2019,3,1,11,12,13) AND to_datetime( "start_field" ) < make_datetime(2020,5,6,8,9,10)) OR to_datetime( "start_field" ) IS NULL')
# since 3.22 there is also the option to include the end of the feature event
props.setLimitMode(Qgis.VectorTemporalLimitMode.IncludeBeginIncludeEnd)
# map range [-------------------------)
# feature ranges . . [-------] (false)
# . [-------] (false)
# . [---.---] (true)
# . [-------] . (true)
# [-------] . (true)
# [---.---] . (true)
# [-------] . (true)
# [-------] . . (false)
# => start of feature < end of range AND start of feature + duration >= start of range
# OR start of feature < end of range AND start of feature >= start of range - duration
self.assertEqual(props.createFilterString(datetime_context, filter_range), '("start_field" >= make_datetime(2019,3,1,11,12,13) AND "start_field" < make_datetime(2020,5,6,8,9,10)) OR "start_field" IS NULL')
self.assertEqual(props.createFilterString(date_context, filter_range), '(to_datetime( "start_field" ) >= make_datetime(2019,3,1,11,12,13) AND to_datetime( "start_field" ) < make_datetime(2020,5,6,8,9,10)) OR to_datetime( "start_field" ) IS NULL')
props.setLimitMode(Qgis.VectorTemporalLimitMode.IncludeBeginExcludeEnd) # back to default
# different unit
props.setDurationUnits(QgsUnitTypes.TemporalUnit.TemporalMinutes)
filter_range = QgsDateTimeRange(QDateTime(QDate(2019, 3, 4), QTime(11, 12, 13)), QDateTime(QDate(2020, 5, 6), QTime(8, 9, 10)))
self.assertEqual(props.createFilterString(datetime_context, filter_range), '("start_field" > make_datetime(2019,3,4,11,9,13) AND "start_field" <= make_datetime(2020,5,6,8,9,10)) OR "start_field" IS NULL')
self.assertEqual(props.createFilterString(date_context, filter_range), '(to_datetime( "start_field" ) > make_datetime(2019,3,4,11,9,13) AND to_datetime( "start_field" ) <= make_datetime(2020,5,6,8,9,10)) OR to_datetime( "start_field" ) IS NULL')
# accumulate mode
props.setFixedDuration(0)
props.setAccumulateFeatures(True)
filter_range = QgsDateTimeRange(QDateTime(QDate(2019, 3, 4), QTime(11, 12, 13)), QDateTime(QDate(2020, 5, 6), QTime(8, 9, 10)))
# with accumulate mode effectively map range starts at -eternity, regardless of what it actually is
# map range [-------------------------]
# feature ranges . . | (false)
# . | (true)
# . | . (true)
# | . (true)
# | . . (true)
#
# => feature time <= end of range
self.assertEqual(props.createFilterString(datetime_context, filter_range), '("start_field" <= make_datetime(2020,5,6,8,9,10)) OR "start_field" IS NULL')
self.assertEqual(props.createFilterString(date_context, filter_range), '(to_datetime( "start_field" ) <= make_datetime(2020,5,6,8,9,10)) OR to_datetime( "start_field" ) IS NULL')
filter_range = QgsDateTimeRange(QDateTime(QDate(2019, 3, 4), QTime(11, 12, 13)), QDateTime(QDate(2020, 5, 6), QTime(8, 9, 10)), includeBeginning=False, includeEnd=False)
# with accumulate mode effectively map range starts at -eternity, regardless of what it actually is
# map range (-------------------------)
# feature ranges . . | (false)
# . | (false)
# . | . (true)
# | . (true)
# | . . (true)
#
# => feature time < end of range
self.assertEqual(props.createFilterString(datetime_context, filter_range), '("start_field" < make_datetime(2020,5,6,8,9,10)) OR "start_field" IS NULL')
self.assertEqual(props.createFilterString(date_context, filter_range), '(to_datetime( "start_field" ) < make_datetime(2020,5,6,8,9,10)) OR to_datetime( "start_field" ) IS NULL')
filter_range = QgsDateTimeRange(QDateTime(QDate(2019, 3, 4), QTime(11, 12, 13)), QDateTime(QDate(2020, 5, 6), QTime(8, 9, 10)), includeBeginning=False)
# with accumulate mode effectively map range starts at -eternity, regardless of what it actually is
# map range (-------------------------]
# feature ranges . . | (false)
# . | (true)
# . | . (true)
# | . (true)
# | . . (true)
#
# => feature time <= end of range
self.assertEqual(props.createFilterString(datetime_context, filter_range), '("start_field" <= make_datetime(2020,5,6,8,9,10)) OR "start_field" IS NULL')
self.assertEqual(props.createFilterString(date_context, filter_range), '(to_datetime( "start_field" ) <= make_datetime(2020,5,6,8,9,10)) OR to_datetime( "start_field" ) IS NULL')
filter_range = QgsDateTimeRange(QDateTime(QDate(2019, 3, 4), QTime(11, 12, 13)), QDateTime(QDate(2020, 5, 6), QTime(8, 9, 10)), includeEnd=False)
# with accumulate mode effectively map range starts at -eternity, regardless of what it actually is
# map range [-------------------------)
# feature ranges . . | (false)
# . | (false)
# . | . (true)
# | . (true)
# | . . (true)
#
# => feature time < end of range
self.assertEqual(props.createFilterString(datetime_context, filter_range), '("start_field" < make_datetime(2020,5,6,8,9,10)) OR "start_field" IS NULL')
self.assertEqual(props.createFilterString(date_context, filter_range), '(to_datetime( "start_field" ) < make_datetime(2020,5,6,8,9,10)) OR to_datetime( "start_field" ) IS NULL')
# accumulate mode, with duration
props.setFixedDuration(3)
props.setDurationUnits(QgsUnitTypes.TemporalUnit.TemporalDays)
filter_range = QgsDateTimeRange(QDateTime(QDate(2019, 3, 4), QTime(11, 12, 13)), QDateTime(QDate(2020, 5, 6), QTime(8, 9, 10)))
# with accumulate mode effectively map range starts at -eternity, regardless of what it actually is
# map range [-------------------------]
# feature ranges . . [-------) (false)
# . [-------) (true)
# . [---.---) (true)
# . [-------) . (true)
# [-------) . (true)
# [---.---) . (true)
# [-------) . (true)
# [-------) . . (true)
#
# => start of feature <= end of range
self.assertEqual(props.createFilterString(datetime_context, filter_range), '("start_field" <= make_datetime(2020,5,6,8,9,10)) OR "start_field" IS NULL')
self.assertEqual(props.createFilterString(date_context, filter_range), '(to_datetime( "start_field" ) <= make_datetime(2020,5,6,8,9,10)) OR to_datetime( "start_field" ) IS NULL')
filter_range = QgsDateTimeRange(QDateTime(QDate(2019, 3, 4), QTime(11, 12, 13)), QDateTime(QDate(2020, 5, 6), QTime(8, 9, 10)), includeBeginning=False, includeEnd=False)
# with accumulate mode effectively map range starts at -eternity, regardless of what it actually is
# map range (-------------------------)
# feature ranges . . [-------) (false)
# . [-------) (false)
# . [---.---) (true)
# . [-------) . (true)
# [-------) . (true)
# [---.---) . (true)
# [-------) . (true)
# [-------) . . (true)
#
# => start of feature < end of range
self.assertEqual(props.createFilterString(datetime_context, filter_range), '("start_field" < make_datetime(2020,5,6,8,9,10)) OR "start_field" IS NULL')
self.assertEqual(props.createFilterString(date_context, filter_range), '(to_datetime( "start_field" ) < make_datetime(2020,5,6,8,9,10)) OR to_datetime( "start_field" ) IS NULL')
filter_range = QgsDateTimeRange(QDateTime(QDate(2019, 3, 4), QTime(11, 12, 13)), QDateTime(QDate(2020, 5, 6), QTime(8, 9, 10)), includeBeginning=False)
# with accumulate mode effectively map range starts at -eternity, regardless of what it actually is
# map range (-------------------------]
# feature ranges . . [-------) (false)
# . [-------) (true)
# . [---.---) (true)
# . [-------) . (true)
# [-------) . (true)
# [---.---) . (true)
# [-------) . (true)
# [-------) . . (true)
#
# => start of feature <= end of range
self.assertEqual(props.createFilterString(datetime_context, filter_range), '("start_field" <= make_datetime(2020,5,6,8,9,10)) OR "start_field" IS NULL')
self.assertEqual(props.createFilterString(date_context, filter_range), '(to_datetime( "start_field" ) <= make_datetime(2020,5,6,8,9,10)) OR to_datetime( "start_field" ) IS NULL')
filter_range = QgsDateTimeRange(QDateTime(QDate(2019, 3, 4), QTime(11, 12, 13)), QDateTime(QDate(2020, 5, 6), QTime(8, 9, 10)), includeEnd=False)
# with accumulate mode effectively map range starts at -eternity, regardless of what it actually is
# map range [-------------------------)
# feature ranges . . [-------) (false)
# . [-------) (false)
# . [---.---) (true)
# . [-------) . (true)
# [-------) . (true)
# [---.---) . (true)
# [-------) . (true)
# [-------) . . (true)
#
# => start of feature < end of range
self.assertEqual(props.createFilterString(datetime_context, filter_range), '("start_field" < make_datetime(2020,5,6,8,9,10)) OR "start_field" IS NULL')
self.assertEqual(props.createFilterString(date_context, filter_range), '(to_datetime( "start_field" ) < make_datetime(2020,5,6,8,9,10)) OR to_datetime( "start_field" ) IS NULL')
def testDualFieldMode(self):
# testing both a layer/context with Datetime fields as one with Date (only) fields, as the last one should be added a cast to datetime
datetime_layer = QgsVectorLayer("Point?field=fldtxt:string&field=fldint:integer&field=start_field:datetime&field=end_field:datetime", "test", "memory")
self.assertTrue(datetime_layer.isValid())
self.assertEqual(datetime_layer.fields()[2].type(), QVariant.DateTime)
self.assertEqual(datetime_layer.fields()[3].type(), QVariant.DateTime)
datetime_context = QgsVectorLayerTemporalContext()
datetime_context.setLayer(datetime_layer)
date_layer = QgsVectorLayer("Point?field=fldtxt:string&field=fldint:integer&field=start_field:date&field=end_field:date", "test", "memory")
self.assertTrue(date_layer.isValid())
self.assertEqual(date_layer.fields()[2].type(), QVariant.Date)
self.assertEqual(date_layer.fields()[3].type(), QVariant.Date)
date_context = QgsVectorLayerTemporalContext()
date_context.setLayer(date_layer)
# default QgsDateTimeRange includes beginning AND end
filter_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.TemporalMode.ModeFeatureDateTimeStartAndEndFromFields)
props.setStartField('start_field')
props.setEndField('end_field')
# createFilterString should return QString() (== '' in Python world) in case the QgsVectorLayerTemporalProperties is not yet active
self.assertEqual('', props.createFilterString(datetime_context, filter_range))
props.setIsActive(True)
# map range [-------------------------]
# feature ranges . . [-------) (false)
# . [-------) (true)
# . [---.---) (true)
# . [-------) . (true)
# [-------) . (true)
# [---.---) . (true)
# [-------) . (false)
# [-------) . . (false)
#
# => start of feature <= end of range AND end of feature > start of range
self.assertEqual(props.createFilterString(datetime_context, filter_range), '("start_field" <= make_datetime(2020,5,6,8,9,10) OR "start_field" IS NULL) AND ("end_field" > make_datetime(2019,3,4,11,12,13) OR "end_field" IS NULL)')
self.assertEqual(props.createFilterString(date_context, filter_range), '(to_datetime( "start_field" ) <= make_datetime(2020,5,6,8,9,10) OR to_datetime( "start_field" ) IS NULL) AND (to_datetime( "end_field" ) > make_datetime(2019,3,4,11,12,13) OR to_datetime( "end_field" ) IS NULL)')
# map range (-------------------------)
# feature ranges . . [-------) (false)
# . [-------) (false)
# . [---.---) (true)
# . [-------) . (true)
# [-------) . (true)
# [---.---) . (true)
# [-------) . (false)
# [-------) . . (false)
#
# => start of feature < end of range AND end of feature > start of range
filter_range = QgsDateTimeRange(QDateTime(QDate(2019, 3, 4), QTime(11, 12, 13)), QDateTime(QDate(2020, 5, 6), QTime(8, 9, 10)), includeBeginning=False, includeEnd=False)
self.assertEqual(props.createFilterString(datetime_context, filter_range), '("start_field" < make_datetime(2020,5,6,8,9,10) OR "start_field" IS NULL) AND ("end_field" > make_datetime(2019,3,4,11,12,13) OR "end_field" IS NULL)')
self.assertEqual(props.createFilterString(date_context, filter_range), '(to_datetime( "start_field" ) < make_datetime(2020,5,6,8,9,10) OR to_datetime( "start_field" ) IS NULL) AND (to_datetime( "end_field" ) > make_datetime(2019,3,4,11,12,13) OR to_datetime( "end_field" ) IS NULL)')
# map range (-------------------------]
# feature ranges . . [-------) (false)
# . [-------) (true)
# . [---.---) (true)
# . [-------) . (true)
# [-------) . (true)
# [---.---) . (true)
# [-------) . (false)
# [-------) . . (false)
#
# => start of feature <= end of range AND end of feature > start of range
filter_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(datetime_context, filter_range), '("start_field" <= make_datetime(2020,5,6,8,9,10) OR "start_field" IS NULL) AND ("end_field" > make_datetime(2019,3,4,11,12,13) OR "end_field" IS NULL)')
self.assertEqual(props.createFilterString(date_context, filter_range), '(to_datetime( "start_field" ) <= make_datetime(2020,5,6,8,9,10) OR to_datetime( "start_field" ) IS NULL) AND (to_datetime( "end_field" ) > make_datetime(2019,3,4,11,12,13) OR to_datetime( "end_field" ) IS NULL)')
# THIS is the QGIS default: using a range with includeBeginning=true and includeEnd=false
# map range [-------------------------)
# feature ranges . . [-------) (false)
# . [-------) (false)
# . [---.---) (true)
# . [-------) . (true)
# [-------) . (true)
# [---.---) . (true)
# [-------) . (false)
# [-------) . . (false)
#
# => start of feature < end of range AND end of feature > start of range
filter_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(datetime_context, filter_range), '("start_field" < make_datetime(2020,5,6,8,9,10) OR "start_field" IS NULL) AND ("end_field" > make_datetime(2019,3,4,11,12,13) OR "end_field" IS NULL)')
self.assertEqual(props.createFilterString(date_context, filter_range), '(to_datetime( "start_field" ) < make_datetime(2020,5,6,8,9,10) OR to_datetime( "start_field" ) IS NULL) AND (to_datetime( "end_field" ) > make_datetime(2019,3,4,11,12,13) OR to_datetime( "end_field" ) IS NULL)')
# since 3.22 there is also the option to include the end of the feature event
props.setLimitMode(Qgis.VectorTemporalLimitMode.IncludeBeginIncludeEnd)
# map range [-------------------------)
# feature ranges . . [-------] (false)
# . [-------] (false)
# . [---.---] (true)
# . [-------] . (true)
# [-------] . (true)
# [---.---] . (true)
# [-------] . (true)
# [-------] . . (false)
#
# => start of feature < end of range AND end of feature >= start of range
self.assertEqual(props.createFilterString(datetime_context, filter_range), '("start_field" < make_datetime(2020,5,6,8,9,10) OR "start_field" IS NULL) AND ("end_field" >= make_datetime(2019,3,4,11,12,13) OR "end_field" IS NULL)')
self.assertEqual(props.createFilterString(date_context, filter_range), '(to_datetime( "start_field" ) < make_datetime(2020,5,6,8,9,10) OR to_datetime( "start_field" ) IS NULL) AND (to_datetime( "end_field" ) >= make_datetime(2019,3,4,11,12,13) OR to_datetime( "end_field" ) IS NULL)')
props.setLimitMode(Qgis.VectorTemporalLimitMode.IncludeBeginExcludeEnd) # back to default
# features go to +eternity
props.setEndField('')
# includes beginning AND end
filter_range = QgsDateTimeRange(QDateTime(QDate(2019, 3, 4), QTime(11, 12, 13)), QDateTime(QDate(2020, 5, 6), QTime(8, 9, 10)))
# map range [-------------------------]
# feature ranges . . [--------> (false)
# . [----------> (true)
# . [------------.----------> (true)
# [-------------------------.----------> (true)
# [-------------.-------------------------.----------> (true)
#
# => start of feature <= end of range
self.assertEqual(props.createFilterString(datetime_context, filter_range), '"start_field" <= make_datetime(2020,5,6,8,9,10) OR "start_field" IS NULL')
self.assertEqual(props.createFilterString(date_context, filter_range), 'to_datetime( "start_field" ) <= make_datetime(2020,5,6,8,9,10) OR to_datetime( "start_field" ) IS NULL')
filter_range = QgsDateTimeRange(QDateTime(QDate(2019, 3, 4), QTime(11, 12, 13)), QDateTime(QDate(2020, 5, 6), QTime(8, 9, 10)), includeBeginning=False, includeEnd=False)
# map range (-------------------------)
# feature ranges . . [--------> (false)
# . [----------> (false)
# . [------------.----------> (true)
# [-------------------------.----------> (true)
# [-------------.-------------------------.----------> (true)
#
# => start of feature < end of range
self.assertEqual(props.createFilterString(datetime_context, filter_range), '"start_field" < make_datetime(2020,5,6,8,9,10) OR "start_field" IS NULL')
self.assertEqual(props.createFilterString(date_context, filter_range), 'to_datetime( "start_field" ) < make_datetime(2020,5,6,8,9,10) OR to_datetime( "start_field" ) IS NULL')
filter_range = QgsDateTimeRange(QDateTime(QDate(2019, 3, 4), QTime(11, 12, 13)), QDateTime(QDate(2020, 5, 6), QTime(8, 9, 10)), includeBeginning=False)
# map range (-------------------------]
# feature ranges . . [--------> (false)
# . [----------> (true)
# . [------------.----------> (true)
# [-------------------------.----------> (true)
# [-------------.-------------------------.----------> (true)
#
# => start of feature <= end of range
self.assertEqual(props.createFilterString(datetime_context, filter_range), '"start_field" <= make_datetime(2020,5,6,8,9,10) OR "start_field" IS NULL')
self.assertEqual(props.createFilterString(date_context, filter_range), 'to_datetime( "start_field" ) <= make_datetime(2020,5,6,8,9,10) OR to_datetime( "start_field" ) IS NULL')
# THIS is the QGIS default: using a range with includeBeginning=true and includeEnd=false
filter_range = QgsDateTimeRange(QDateTime(QDate(2019, 3, 4), QTime(11, 12, 13)), QDateTime(QDate(2020, 5, 6), QTime(8, 9, 10)), includeEnd=False)
# map range [-------------------------)
# feature ranges . . [--------> (false)
# . [----------> (false)
# . [------------.----------> (true)
# [-------------------------.----------> (true)
# [-------------.-------------------------.----------> (true)
#
# => start of feature < end of range
self.assertEqual(props.createFilterString(datetime_context, filter_range), '"start_field" < make_datetime(2020,5,6,8,9,10) OR "start_field" IS NULL')
self.assertEqual(props.createFilterString(date_context, filter_range), 'to_datetime( "start_field" ) < make_datetime(2020,5,6,8,9,10) OR to_datetime( "start_field" ) IS NULL')
# features start at -eternity
props.setStartField('')
props.setEndField('end_field')
# includes beginning AND end
filter_range = QgsDateTimeRange(QDateTime(QDate(2019, 3, 4), QTime(11, 12, 13)), QDateTime(QDate(2020, 5, 6), QTime(8, 9, 10)))
# map range [-------------------------]
# feature ranges --------.-------------------------.---------) (true)
# --------.-------------------------) (true)
# --------.--------------------) . (true)
# --------) . (false)
# -----) . (false)
#
# => end of feature > start of range
self.assertEqual(props.createFilterString(datetime_context, filter_range), '"end_field" > make_datetime(2019,3,4,11,12,13) OR "end_field" IS NULL')
self.assertEqual(props.createFilterString(date_context, filter_range), 'to_datetime( "end_field" ) > make_datetime(2019,3,4,11,12,13) OR to_datetime( "end_field" ) IS NULL')
filter_range = QgsDateTimeRange(QDateTime(QDate(2019, 3, 4), QTime(11, 12, 13)), QDateTime(QDate(2020, 5, 6), QTime(8, 9, 10)), includeBeginning=False, includeEnd=False)
# map range (-------------------------)
# feature ranges --------.-------------------------.---------) (true)
# --------.-------------------------) (true)
# --------.--------------------) . (true)
# --------) . (false)
# -----) . (false)
#
# => end of feature > start of range
self.assertEqual(props.createFilterString(datetime_context, filter_range), '"end_field" > make_datetime(2019,3,4,11,12,13) OR "end_field" IS NULL')
self.assertEqual(props.createFilterString(date_context, filter_range), 'to_datetime( "end_field" ) > make_datetime(2019,3,4,11,12,13) OR to_datetime( "end_field" ) IS NULL')
filter_range = QgsDateTimeRange(QDateTime(QDate(2019, 3, 4), QTime(11, 12, 13)), QDateTime(QDate(2020, 5, 6), QTime(8, 9, 10)), includeBeginning=False)
# map range (-------------------------]
# feature ranges --------.-------------------------.---------) (true)
# --------.-------------------------) (true)
# --------.--------------------) . (true)
# --------) . (false)
# -----) . (false)
#
# => end of feature > start of range
self.assertEqual(props.createFilterString(datetime_context, filter_range), '"end_field" > make_datetime(2019,3,4,11,12,13) OR "end_field" IS NULL')
self.assertEqual(props.createFilterString(date_context, filter_range), 'to_datetime( "end_field" ) > make_datetime(2019,3,4,11,12,13) OR to_datetime( "end_field" ) IS NULL')
# THIS is the QGIS default: using a range with includeBeginning=true and includeEnd=false
filter_range = QgsDateTimeRange(QDateTime(QDate(2019, 3, 4), QTime(11, 12, 13)), QDateTime(QDate(2020, 5, 6), QTime(8, 9, 10)), includeEnd=False)
# map range [-------------------------)
# feature ranges --------.-------------------------.---------) (true)
# --------.-------------------------) (true)
# --------.--------------------) . (true)
# --------) . (false)
# -----) . (false)
#
# => end of feature > start of range
self.assertEqual(props.createFilterString(datetime_context, filter_range), '"end_field" > make_datetime(2019,3,4,11,12,13) OR "end_field" IS NULL')
self.assertEqual(props.createFilterString(date_context, filter_range), 'to_datetime( "end_field" ) > make_datetime(2019,3,4,11,12,13) OR to_datetime( "end_field" ) IS NULL')
# since 3.22 there is also the option to include the end of the feature event
# => end of feature >= start of range
props.setLimitMode(Qgis.VectorTemporalLimitMode.IncludeBeginIncludeEnd)
# map range [-------------------------)
# feature ranges --------.-------------------------.---------] (true)
# --------.-------------------------] (true)
# --------.--------------------] . (true)
# --------] . (true)
# -----] . (false)
#
# => end of feature >= start of range
self.assertEqual(props.createFilterString(datetime_context, filter_range), '"end_field" >= make_datetime(2019,3,4,11,12,13) OR "end_field" IS NULL')
self.assertEqual(props.createFilterString(date_context, filter_range), 'to_datetime( "end_field" ) >= make_datetime(2019,3,4,11,12,13) OR to_datetime( "end_field" ) IS NULL')
props.setLimitMode(Qgis.VectorTemporalLimitMode.IncludeBeginExcludeEnd) # back to default
def testStartAndDurationMode(self):
# testing both a layer/context with Datetime field as one with Date (only) field, as the last one should be added a cast to datetime
datetime_layer = QgsVectorLayer(
"Point?field=fldtxt:string&field=fldint:integer&field=start_field:datetime&field=duration:double",
"test", "memory")
self.assertTrue(datetime_layer.isValid())
self.assertEqual(datetime_layer.fields()[2].type(), QVariant.DateTime)
self.assertEqual(datetime_layer.fields()[3].type(), QVariant.Double)
datetime_context = QgsVectorLayerTemporalContext()
datetime_context.setLayer(datetime_layer)
date_layer = QgsVectorLayer(
"Point?field=fldtxt:string&field=fldint:integer&field=start_field:date&field=duration:double",
"test", "memory")
self.assertTrue(date_layer.isValid())
self.assertEqual(date_layer.fields()[2].type(), QVariant.Date)
self.assertEqual(date_layer.fields()[3].type(), QVariant.Double)
date_context = QgsVectorLayerTemporalContext()
date_context.setLayer(date_layer)
filter_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.TemporalMode.ModeFeatureDateTimeStartAndDurationFromFields)
props.setStartField('start_field')
props.setDurationField('duration')
props.setDurationUnits(QgsUnitTypes.TemporalUnit.TemporalMilliseconds)
# createFilterString should return QString() (== '' in Python world) in case the QgsVectorLayerTemporalProperties is not yet active
self.assertEqual('', props.createFilterString(datetime_context, filter_range))
props.setIsActive(True)
# map range [-------------------------]
# feature ranges . . [-------) (false)
# . [-------) (true)
# . [---.---) (true)
# . [-------) . (true)
# [-------) . (true)
# [---.---) . (true)
# [-------) . (false)
# [-------) . . (false)
#
# => start of feature <= end of range AND start + duration > start of range
self.assertEqual(props.createFilterString(datetime_context, filter_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)')
self.assertEqual(props.createFilterString(date_context, filter_range),
'(to_datetime( "start_field" ) <= make_datetime(2020,5,6,8,9,10) OR to_datetime( "start_field" ) IS NULL) AND ((to_datetime( "start_field" ) + make_interval(0,0,0,0,0,0,"duration"/1000) > make_datetime(2019,3,4,11,12,13)) OR "duration" IS NULL)')
filter_range = QgsDateTimeRange(QDateTime(QDate(2019, 3, 4), QTime(11, 12, 13)),
QDateTime(QDate(2020, 5, 6), QTime(8, 9, 10)), includeBeginning=False, includeEnd=False)
# map range (-------------------------)
# feature ranges . . [-------) (false)
# . [-------) (false)
# . [---.---) (true)
# . [-------) . (true)
# [-------) . (true)
# [---.---) . (true)
# [-------) . (false)
# [-------) . . (false)
#
# => start of feature < end of range AND start + duration > start of range
self.assertEqual(props.createFilterString(datetime_context, filter_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)')
self.assertEqual(props.createFilterString(date_context, filter_range),
'(to_datetime( "start_field" ) < make_datetime(2020,5,6,8,9,10) OR to_datetime( "start_field" ) IS NULL) AND ((to_datetime( "start_field" ) + make_interval(0,0,0,0,0,0,"duration"/1000) > make_datetime(2019,3,4,11,12,13)) OR "duration" IS NULL)')
filter_range = QgsDateTimeRange(QDateTime(QDate(2019, 3, 4), QTime(11, 12, 13)),
QDateTime(QDate(2020, 5, 6), QTime(8, 9, 10)), includeBeginning=False)
# map range (-------------------------]
# feature ranges . . [-------) (false)
# . [-------) (true)
# . [---.---) (true)
# . [-------) . (true)
# [-------) . (true)
# [---.---) . (true)
# [-------) . (false)
# [-------) . . (false)
#
# => start of feature <= end of range AND start + duration > start of range
self.assertEqual(props.createFilterString(datetime_context, filter_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)')
self.assertEqual(props.createFilterString(date_context, filter_range),
'(to_datetime( "start_field" ) <= make_datetime(2020,5,6,8,9,10) OR to_datetime( "start_field" ) IS NULL) AND ((to_datetime( "start_field" ) + make_interval(0,0,0,0,0,0,"duration"/1000) > make_datetime(2019,3,4,11,12,13)) OR "duration" IS NULL)')
# THIS is the QGIS default: using a range with includeBeginning=true and includeEnd=false
filter_range = QgsDateTimeRange(QDateTime(QDate(2019, 3, 4), QTime(11, 12, 13)),
QDateTime(QDate(2020, 5, 6), QTime(8, 9, 10)), includeEnd=False)
# map range [-------------------------)
# feature ranges . . [-------) (false)
# . [-------) (true)
# . [---.---) (true)
# . [-------) . (true)
# [-------) . (true)
# [---.---) . (true)
# [-------) . (false)
# [-------) . . (false)
#
# => start of feature < end of range AND start + duration > start of range
self.assertEqual(props.createFilterString(datetime_context, filter_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)')
self.assertEqual(props.createFilterString(date_context, filter_range),
'(to_datetime( "start_field" ) < make_datetime(2020,5,6,8,9,10) OR to_datetime( "start_field" ) IS NULL) AND ((to_datetime( "start_field" ) + make_interval(0,0,0,0,0,0,"duration"/1000) > make_datetime(2019,3,4,11,12,13)) OR "duration" IS NULL)')
# map range [-------------------------)
# feature ranges . . [-------] (false)
# . [-------] (false)
# . [---.---] (true)
# . [-------] . (true)
# [-------] . (true)
# [---.---] . (true)
# [-------] . (true)
# [-------] . . (false)
#
# => start of feature < end of range AND start + duration >= start of range
props.setLimitMode(Qgis.VectorTemporalLimitMode.IncludeBeginIncludeEnd)
self.assertEqual(props.createFilterString(datetime_context, filter_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)')
self.assertEqual(props.createFilterString(date_context, filter_range),
'(to_datetime( "start_field" ) < make_datetime(2020,5,6,8,9,10) OR to_datetime( "start_field" ) IS NULL) AND ((to_datetime( "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.setLimitMode(Qgis.VectorTemporalLimitMode.IncludeBeginExcludeEnd) # back to default
# different units
filter_range = QgsDateTimeRange(QDateTime(QDate(2019, 3, 4), QTime(11, 12, 13)),
QDateTime(QDate(2020, 5, 6), QTime(8, 9, 10)))
props.setDurationUnits(QgsUnitTypes.TemporalUnit.TemporalSeconds)
self.assertEqual(props.createFilterString(datetime_context, filter_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)')
self.assertEqual(props.createFilterString(date_context, filter_range),
'(to_datetime( "start_field" ) <= make_datetime(2020,5,6,8,9,10) OR to_datetime( "start_field" ) IS NULL) AND ((to_datetime( "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.TemporalUnit.TemporalMinutes)
self.assertEqual(props.createFilterString(datetime_context, filter_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)')
self.assertEqual(props.createFilterString(date_context, filter_range),
'(to_datetime( "start_field" ) <= make_datetime(2020,5,6,8,9,10) OR to_datetime( "start_field" ) IS NULL) AND ((to_datetime( "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.TemporalUnit.TemporalHours)
self.assertEqual(props.createFilterString(datetime_context, filter_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)')
self.assertEqual(props.createFilterString(date_context, filter_range),
'(to_datetime( "start_field" ) <= make_datetime(2020,5,6,8,9,10) OR to_datetime( "start_field" ) IS NULL) AND ((to_datetime( "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.TemporalUnit.TemporalDays)
self.assertEqual(props.createFilterString(datetime_context, filter_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)')
self.assertEqual(props.createFilterString(date_context, filter_range),
'(to_datetime( "start_field" ) <= make_datetime(2020,5,6,8,9,10) OR to_datetime( "start_field" ) IS NULL) AND ((to_datetime( "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.TemporalUnit.TemporalWeeks)
self.assertEqual(props.createFilterString(datetime_context, filter_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)')
self.assertEqual(props.createFilterString(date_context, filter_range),
'(to_datetime( "start_field" ) <= make_datetime(2020,5,6,8,9,10) OR to_datetime( "start_field" ) IS NULL) AND ((to_datetime( "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.TemporalUnit.TemporalMonths)
self.assertEqual(props.createFilterString(datetime_context, filter_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)')
self.assertEqual(props.createFilterString(date_context, filter_range),
'(to_datetime( "start_field" ) <= make_datetime(2020,5,6,8,9,10) OR to_datetime( "start_field" ) IS NULL) AND ((to_datetime( "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.TemporalUnit.TemporalYears)
self.assertEqual(props.createFilterString(datetime_context, filter_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)')
self.assertEqual(props.createFilterString(date_context, filter_range),
'(to_datetime( "start_field" ) <= make_datetime(2020,5,6,8,9,10) OR to_datetime( "start_field" ) IS NULL) AND ((to_datetime( "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.TemporalUnit.TemporalDecades)
self.assertEqual(props.createFilterString(datetime_context, filter_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)')
self.assertEqual(props.createFilterString(date_context, filter_range),
'(to_datetime( "start_field" ) <= make_datetime(2020,5,6,8,9,10) OR to_datetime( "start_field" ) IS NULL) AND ((to_datetime( "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.TemporalUnit.TemporalCenturies)
self.assertEqual(props.createFilterString(datetime_context, filter_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)')
self.assertEqual(props.createFilterString(date_context, filter_range),
'(to_datetime( "start_field" ) <= make_datetime(2020,5,6,8,9,10) OR to_datetime( "start_field" ) IS NULL) AND ((to_datetime( "start_field" ) + make_interval(100 * "duration",0,0,0,0,0,0) > make_datetime(2019,3,4,11,12,13)) OR "duration" IS NULL)')
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)
context = QgsVectorLayerTemporalContext()
context.setLayer(layer)
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.TemporalMode.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(context, range))
props.setIsActive(True)
# map range [-------------------------]
# feature ranges . . [-------) (false)
# . [-------) (true)
# . [---.---) (true)
# . [-------) . (true)
# [-------) . (true)
# [---.---) . (true)
# [-------) . (false)
# [-------) . . (false)
#
# => start expression <= end of range AND end expression > start of range
self.assertEqual(props.createFilterString(context, 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, includeEnd=False)
# map range (-------------------------)
# feature ranges . . [-------) (false)
# . [-------) (false)
# . [---.---) (true)
# . [-------) . (true)
# [-------) . (true)
# [---.---) . (true)
# [-------) . (false)
# [-------) . . (false)
#
# => start expression < end of range AND end expression > start of range
self.assertEqual(props.createFilterString(context, 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)
# map range (-------------------------]
# feature ranges . . [-------) (false)
# . [-------) (true)
# . [---.---) (true)
# . [-------) . (true)
# [-------) . (true)
# [---.---) . (true)
# [-------) . (false)
# [-------) . . (false)
#
# => start expression <= end of range AND end expression > start of range
self.assertEqual(props.createFilterString(context, 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))')
# THIS is the QGIS default: using a range with includeBeginning=true and includeEnd=false
range = QgsDateTimeRange(QDateTime(QDate(2019, 3, 4), QTime(11, 12, 13)), QDateTime(QDate(2020, 5, 6), QTime(8, 9, 10)), includeEnd=False)
# map range [-------------------------)
# feature ranges . . [-------) (false)
# . [-------) (false)
# . [---.---) (true)
# . [-------) . (true)
# [-------) . (true)
# [---.---) . (true)
# [-------) . (false)
# [-------) . . (false)
#
# => start expression < end of range AND end expression > start of range
self.assertEqual(props.createFilterString(context, 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))')
# map range [-------------------------)
# feature ranges . . [-------] (false)
# . [-------] (false)
# . [---.---] (true)
# . [-------] . (true)
# [-------] . (true)
# [---.---] . (true)
# [-------] . (true)
# [-------] . . (false)
#
# => start expression < end of range AND end expression >= start of range
props.setLimitMode(Qgis.VectorTemporalLimitMode.IncludeBeginIncludeEnd)
self.assertEqual(props.createFilterString(context, 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.setLimitMode(Qgis.VectorTemporalLimitMode.IncludeBeginExcludeEnd) # back to default
# features go to +eternity
props.setEndExpression('')
# includes beginning AND end
range = QgsDateTimeRange(QDateTime(QDate(2019, 3, 4), QTime(11, 12, 13)), QDateTime(QDate(2020, 5, 6), QTime(8, 9, 10)))
# map range [-------------------------]
# feature ranges . . [--------> (false)
# . [----------> (true)
# . [------------.----------> (true)
# [-------------------------.----------> (true)
# [-------------.-------------------------.----------> (true)
#
# => start expression <= end of range
self.assertEqual(props.createFilterString(context, 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, includeEnd=False)
# map range (-------------------------)
# feature ranges . . [--------> (false)
# . [----------> (false)
# . [------------.----------> (true)
# [-------------------------.----------> (true)
# [-------------.-------------------------.----------> (true)
#
# => start expression < end of range
self.assertEqual(props.createFilterString(context, 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)
# map range (-------------------------]
# feature ranges . . [--------> (false)
# . [----------> (true)
# . [------------.----------> (true)
# [-------------------------.----------> (true)
# [-------------.-------------------------.----------> (true)
#
# => start expression <= end of range
self.assertEqual(props.createFilterString(context, 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)
# map range [-------------------------)
# feature ranges . . [--------> (false)
# . [----------> (false)
# . [------------.----------> (true)
# [-------------------------.----------> (true)
# [-------------.-------------------------.----------> (true)
#
# => start expression < end of range
self.assertEqual(props.createFilterString(context, range), '(to_datetime("my string field", \'yyyy MM dd hh::mm:ss\')") < make_datetime(2020,5,6,8,9,10)')
# features start at -eternity
props.setStartExpression('')
props.setEndExpression('to_datetime("my end field", \'yyyy MM dd hh::mm:ss\')"')
# includes beginning AND end
range = QgsDateTimeRange(QDateTime(QDate(2019, 3, 4), QTime(11, 12, 13)), QDateTime(QDate(2020, 5, 6), QTime(8, 9, 10)))
# map range [-------------------------]
# feature ranges --------.-------------------------.---------) (true)
# --------.-------------------------) (true)
# --------.--------------------) . (true)
# --------) . (false)
# -----) . (false)
#
# => end of feature > start of range
self.assertEqual(props.createFilterString(context, 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, includeEnd=False)
# map range (-------------------------)
# feature ranges --------.-------------------------.---------) (true)
# --------.-------------------------) (true)
# --------.--------------------) . (true)
# --------) . (false)
# -----) . (false)
#
# => end of feature > start of range
self.assertEqual(props.createFilterString(context, 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)
# map range (-------------------------]
# feature ranges --------.-------------------------.---------) (true)
# --------.-------------------------) (true)