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test_qgseditwidgets.py
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test_qgseditwidgets.py
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# -*- coding: utf-8 -*-
"""QGIS Unit tests for edit widgets.
.. 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__ = 'Matthias Kuhn'
__date__ = '20/05/2015'
__copyright__ = 'Copyright 2015, The QGIS Project'
# This will get replaced with a git SHA1 when you do a git archive
__revision__ = '$Format:%H$'
import qgis # NOQA
from qgis.core import (QgsProject, QgsFeature, QgsGeometry, QgsPointXY, QgsVectorLayer, NULL, QgsField)
from qgis.gui import QgsGui
from qgis.testing import start_app, unittest
from qgis.PyQt.QtCore import Qt, QVariant
from qgis.PyQt.QtWidgets import QTextEdit, QTableWidgetItem
start_app()
class TestQgsTextEditWidget(unittest.TestCase):
@classmethod
def setUpClass(cls):
QgsGui.editorWidgetRegistry().initEditors()
def createLayerWithOnePoint(self):
self.layer = QgsVectorLayer("Point?field=fldtxt:string&field=fldint:integer",
"addfeat", "memory")
pr = self.layer.dataProvider()
f = QgsFeature()
f.setAttributes(["test", 123])
f.setGeometry(QgsGeometry.fromPointXY(QgsPointXY(100, 200)))
self.assertTrue(pr.addFeatures([f]))
self.assertEqual(self.layer.featureCount(), 1)
return self.layer
def doAttributeTest(self, idx, expected):
reg = QgsGui.editorWidgetRegistry()
configWdg = reg.createConfigWidget('TextEdit', self.layer, idx, None)
config = configWdg.config()
editwidget = reg.create('TextEdit', self.layer, idx, config, None, None)
editwidget.setValue('value')
self.assertEqual(editwidget.value(), expected[0])
editwidget.setValue(123)
self.assertEqual(editwidget.value(), expected[1])
editwidget.setValue(None)
self.assertEqual(editwidget.value(), expected[2])
editwidget.setValue(NULL)
self.assertEqual(editwidget.value(), expected[3])
def test_SetValue(self):
self.createLayerWithOnePoint()
self.doAttributeTest(0, ['value', '123', NULL, NULL])
self.doAttributeTest(1, [NULL, 123, NULL, NULL])
def testStringWithMaxLen(self):
""" tests that text edit wrappers correctly handle string fields with a maximum length """
layer = QgsVectorLayer("none?field=fldint:integer", "layer", "memory")
self.assertTrue(layer.isValid())
layer.dataProvider().addAttributes([QgsField('max', QVariant.String, 'string', 10),
QgsField('nomax', QVariant.String, 'string', 0)])
layer.updateFields()
QgsProject.instance().addMapLayer(layer)
reg = QgsGui.editorWidgetRegistry()
config = {'IsMultiline': 'True'}
# first test for field without character limit
editor = QTextEdit()
editor.setPlainText('this_is_a_long_string')
w = reg.create('TextEdit', layer, 2, config, editor, None)
self.assertEqual(w.value(), 'this_is_a_long_string')
# next test for field with character limit
editor = QTextEdit()
editor.setPlainText('this_is_a_long_string')
w = reg.create('TextEdit', layer, 1, config, editor, None)
self.assertEqual(w.value(), 'this_is_a_')
QgsProject.instance().removeAllMapLayers()
class TestQgsValueRelationWidget(unittest.TestCase):
def test_enableDisable(self):
reg = QgsGui.editorWidgetRegistry()
layer = QgsVectorLayer("none?field=number:integer", "layer", "memory")
wrapper = reg.create('ValueRelation', layer, 0, {}, None, None)
widget = wrapper.widget()
self.assertTrue(widget.isEnabled())
wrapper.setEnabled(False)
self.assertFalse(widget.isEnabled())
wrapper.setEnabled(True)
self.assertTrue(widget.isEnabled())
def test_enableDisableOnTableWidget(self):
reg = QgsGui.editorWidgetRegistry()
layer = QgsVectorLayer("none?field=number:integer", "layer", "memory")
wrapper = reg.create('ValueRelation', layer, 0, {'AllowMulti': 'True'}, None, None)
widget = wrapper.widget()
item = QTableWidgetItem('first item')
widget.setItem(0, 0, item)
# does not change the state the whole widget but the single items instead
wrapper.setEnabled(False)
# widget still true, but items false
self.assertTrue(widget.isEnabled())
self.assertNotEqual(widget.item(0, 0).flags(), widget.item(0, 0).flags() | Qt.ItemIsEnabled)
wrapper.setEnabled(True)
self.assertTrue(widget.isEnabled())
self.assertEqual(widget.item(0, 0).flags(), widget.item(0, 0).flags() | Qt.ItemIsEnabled)
class TestQgsValueMapEditWidget(unittest.TestCase):
VALUEMAP_NULL_TEXT = "{2839923C-8B7D-419E-B84B-CA2FE9B80EC7}"
def test_ValueMap_set_get(self):
layer = QgsVectorLayer("none?field=number:integer", "layer", "memory")
self.assertTrue(layer.isValid())
QgsProject.instance().addMapLayer(layer)
reg = QgsGui.editorWidgetRegistry()
configWdg = reg.createConfigWidget('ValueMap', layer, 0, None)
config = {'map': [{'two': '2'}, {'twoandhalf': '2.5'}, {'NULL text': 'NULL'}, {'nothing': self.VALUEMAP_NULL_TEXT}]}
# Set a configuration containing values and NULL and check if it
# is returned intact.
configWdg.setConfig(config)
self.assertEqual(configWdg.config(), config)
QgsProject.instance().removeAllMapLayers()
if __name__ == "__main__":
unittest.main()