def testTreeWidgetUnknownCrs(self):
w = QgsProjectionSelectionTreeWidget()
w.show()
self.assertFalse(w.hasValidSelection())
w.setCrs(
QgsCoordinateReferenceSystem.fromWkt(
'GEOGCS["WGS 84",DATUM["unknown",SPHEROID["WGS84",6378137,298.257223563]],PRIMEM["Greenwich",0],UNIT["degree",0.0174532925199433]]'
))
self.assertTrue(w.crs().isValid())
self.assertFalse(w.crs().authid())
self.assertTrue(w.hasValidSelection())
self.assertEqual(
w.crs().toWkt(QgsCoordinateReferenceSystem.WKT2_2018),
'GEOGCRS["WGS 84",DATUM["unknown",ELLIPSOID["WGS84",6378137,298.257223563,LENGTHUNIT["metre",1,ID["EPSG",9001]]]],PRIMEM["Greenwich",0,ANGLEUNIT["degree",0.0174532925199433]],CS[ellipsoidal,2],AXIS["longitude",east,ORDER[1],ANGLEUNIT["degree",0.0174532925199433]],AXIS["latitude",north,ORDER[2],ANGLEUNIT["degree",0.0174532925199433]]]'
)
def testTreeWidgetGettersSetters(self):
""" basic tests for QgsProjectionSelectionTreeWidget """
w = QgsProjectionSelectionTreeWidget()
w.show()
self.assertFalse(w.hasValidSelection())
w.setCrs(QgsCoordinateReferenceSystem('EPSG:3111'))
self.assertEqual(w.crs().authid(), 'EPSG:3111')
self.assertTrue(w.hasValidSelection())
def testTreeWidgetGettersSetters(self):
""" basic tests for QgsProjectionSelectionTreeWidget """
w = QgsProjectionSelectionTreeWidget()
w.show()
self.assertFalse(w.hasValidSelection())
w.setCrs(QgsCoordinateReferenceSystem('EPSG:3111'))
self.assertEqual(w.crs().authid(), 'EPSG:3111')
self.assertTrue(w.hasValidSelection())
def testTreeWidgetNotSetOption(self):
""" test allowing no projection option for QgsProjectionSelectionTreeWidget """
w = QgsProjectionSelectionTreeWidget()
w.show()
w.setShowNoProjection(True)
self.assertTrue(w.showNoProjection())
w.setShowNoProjection(False)
self.assertFalse(w.showNoProjection())
w.setShowNoProjection(True)
# no projection should be a valid selection
w.setCrs(QgsCoordinateReferenceSystem())
self.assertTrue(w.hasValidSelection())
self.assertFalse(w.crs().isValid())
def testTreeWidgetNotSetOption(self):
""" test allowing no projection option for QgsProjectionSelectionTreeWidget """
w = QgsProjectionSelectionTreeWidget()
w.show()
w.setShowNoProjection(True)
self.assertTrue(w.showNoProjection())
w.setShowNoProjection(False)
self.assertFalse(w.showNoProjection())
w.setShowNoProjection(True)
# no projection should be a valid selection
w.setCrs(QgsCoordinateReferenceSystem())
self.assertTrue(w.hasValidSelection())
self.assertFalse(w.crs().isValid())
class crs_page(QWizardPage):
def __init__(self, parent=None):
super().__init__(parent)
global import_export
if import_export == 'Import':
self.setTitle('Project Coordinate System')
self.setSubTitle('Choosing an appropriate projection for EPANET layers.')
elif import_export == 'Export':
self.setTitle('Project Coordinate System')
self.setSubTitle('Choosing projection for EPANET coordinates.')
self.selector = QgsProjectionSelectionTreeWidget()
layout = QVBoxLayout()
layout.addWidget(self.selector)
self.setLayout(layout)
self.selector.crsSelected.connect(self.crs_selected)
def crs_selected(self):
self.completeChanged.emit()
def isComplete(self):
global result_crs
result_crs = self.selector.crs()
return self.selector.crs().isValid()
def testTreeWidgetDeferredLoad(self):
"""
Test that crs setting made before widget is initialized is respected
"""
w = QgsProjectionSelectionTreeWidget()
spy = QSignalSpy(w.crsSelected)
self.assertFalse(w.hasValidSelection())
w.setCrs(QgsCoordinateReferenceSystem('EPSG:3111'))
self.assertEqual(len(spy), 1)
self.assertTrue(w.hasValidSelection())
self.assertEqual(w.crs().authid(), 'EPSG:3111')
self.assertEqual(len(spy), 1)
w = QgsProjectionSelectionTreeWidget()
spy = QSignalSpy(w.crsSelected)
self.assertFalse(w.hasValidSelection())
w.setCrs(QgsCoordinateReferenceSystem())
self.assertEqual(len(spy), 1)
self.assertTrue(w.hasValidSelection())
self.assertFalse(w.crs().isValid())
self.assertEqual(len(spy), 1)
w.setCrs(QgsCoordinateReferenceSystem('EPSG:4326'))
self.assertEqual(len(spy), 2)
# expect same behavior if we show
w = QgsProjectionSelectionTreeWidget()
spy = QSignalSpy(w.crsSelected)
self.assertFalse(w.hasValidSelection())
w.setCrs(QgsCoordinateReferenceSystem('EPSG:3111'))
self.assertEqual(len(spy), 1)
w.show()
self.assertTrue(w.hasValidSelection())
self.assertEqual(w.crs().authid(), 'EPSG:3111')
self.assertEqual(len(spy), 1)
w = QgsProjectionSelectionTreeWidget()
spy = QSignalSpy(w.crsSelected)
self.assertFalse(w.hasValidSelection())
w.setCrs(QgsCoordinateReferenceSystem())
self.assertEqual(len(spy), 1)
w.show()
self.assertTrue(w.hasValidSelection())
self.assertFalse(w.crs().isValid())
self.assertEqual(len(spy), 1)
# no double signals if same crs set
w = QgsProjectionSelectionTreeWidget()
spy = QSignalSpy(w.crsSelected)
self.assertFalse(w.hasValidSelection())
w.setCrs(QgsCoordinateReferenceSystem('EPSG:3111'))
w.setCrs(QgsCoordinateReferenceSystem('EPSG:3111'))
self.assertEqual(len(spy), 1)
# no double signals if same crs set
w = QgsProjectionSelectionTreeWidget()
spy = QSignalSpy(w.crsSelected)
self.assertFalse(w.hasValidSelection())
w.setCrs(QgsCoordinateReferenceSystem('EPSG:3111'))
w.setCrs(QgsCoordinateReferenceSystem('EPSG:3111'))
w.show()
w.setCrs(QgsCoordinateReferenceSystem('EPSG:3111'))
self.assertEqual(len(spy), 1)
w.setCrs(QgsCoordinateReferenceSystem('EPSG:4326'))
self.assertEqual(len(spy), 2)