|
| 1 | +# -*- coding: utf-8 -*- |
| 2 | +"""QGIS Unit tests for QgsLayerTreeView. |
| 3 | +
|
| 4 | +.. note:: This program is free software; you can redistribute it and/or modify |
| 5 | +it under the terms of the GNU General Public License as published by |
| 6 | +the Free Software Foundation; either version 2 of the License, or |
| 7 | +(at your option) any later version. |
| 8 | +""" |
| 9 | +__author__ = 'Nyall Dawson' |
| 10 | +__date__ = '02.04.2018' |
| 11 | +__copyright__ = 'Copyright 2018, The QGIS Project' |
| 12 | +# This will get replaced with a git SHA1 when you do a git archive |
| 13 | +__revision__ = '$Format:%H$' |
| 14 | + |
| 15 | +import qgis # NOQA |
| 16 | + |
| 17 | +import os |
| 18 | + |
| 19 | +from qgis.core import ( |
| 20 | + QgsLayerTreeModel, |
| 21 | + QgsProject, |
| 22 | + QgsVectorLayer |
| 23 | +) |
| 24 | +from qgis.gui import (QgsLayerTreeView, |
| 25 | + QgsLayerTreeViewDefaultActions) |
| 26 | +from qgis.testing import start_app, unittest |
| 27 | +from utilities import (unitTestDataPath) |
| 28 | +from qgis.PyQt.QtCore import QStringListModel |
| 29 | +from qgis.PyQt.QtTest import QSignalSpy |
| 30 | + |
| 31 | +app = start_app() |
| 32 | +TEST_DATA_DIR = unitTestDataPath() |
| 33 | + |
| 34 | + |
| 35 | +class TestQgsLayerTreeView(unittest.TestCase): |
| 36 | + |
| 37 | + def __init__(self, methodName): |
| 38 | + """Run once on class initialization.""" |
| 39 | + unittest.TestCase.__init__(self, methodName) |
| 40 | + |
| 41 | + # setup a dummy project |
| 42 | + self.project = QgsProject() |
| 43 | + self.layer = QgsVectorLayer("Point?field=fldtxt:string", |
| 44 | + "layer1", "memory") |
| 45 | + self.layer2 = QgsVectorLayer("Point?field=fldtxt:string", |
| 46 | + "layer2", "memory") |
| 47 | + self.layer3 = QgsVectorLayer("Point?field=fldtxt:string", |
| 48 | + "layer3", "memory") |
| 49 | + self.project.addMapLayers([self.layer, self.layer2, self.layer3]) |
| 50 | + self.model = QgsLayerTreeModel(self.project.layerTreeRoot()) |
| 51 | + |
| 52 | + def testSetModel(self): |
| 53 | + view = QgsLayerTreeView() |
| 54 | + |
| 55 | + # should not work |
| 56 | + string_list_model = QStringListModel() |
| 57 | + view.setModel(string_list_model) |
| 58 | + self.assertFalse(view.model()) |
| 59 | + |
| 60 | + # should work |
| 61 | + view.setModel(self.model) |
| 62 | + self.assertEqual(view.model(), self.model) |
| 63 | + |
| 64 | + def testSetCurrentLayer(self): |
| 65 | + view = QgsLayerTreeView() |
| 66 | + view.setModel(self.model) |
| 67 | + current_layer_changed_spy = QSignalSpy(view.currentLayerChanged) |
| 68 | + self.assertFalse(view.currentLayer()) |
| 69 | + view.setCurrentLayer(self.layer3) |
| 70 | + self.assertEqual(view.currentLayer(), self.layer3) |
| 71 | + self.assertEqual(len(current_layer_changed_spy), 1) |
| 72 | + view.setCurrentLayer(self.layer) |
| 73 | + self.assertEqual(view.currentLayer(), self.layer) |
| 74 | + self.assertEqual(len(current_layer_changed_spy), 2) |
| 75 | + view.setCurrentLayer(None) |
| 76 | + self.assertFalse(view.currentLayer()) |
| 77 | + self.assertEqual(len(current_layer_changed_spy), 3) |
| 78 | + |
| 79 | + def testDefaultActions(self): |
| 80 | + view = QgsLayerTreeView() |
| 81 | + view.setModel(self.model) |
| 82 | + actions = QgsLayerTreeViewDefaultActions(view) |
| 83 | + |
| 84 | + # show in overview action |
| 85 | + view.setCurrentLayer(self.layer) |
| 86 | + self.assertEqual(view.currentNode().customProperty('overview', 0), False) |
| 87 | + show_in_overview = actions.actionShowInOverview() |
| 88 | + show_in_overview.trigger() |
| 89 | + self.assertEqual(view.currentNode().customProperty('overview', 0), True) |
| 90 | + show_in_overview.trigger() |
| 91 | + self.assertEqual(view.currentNode().customProperty('overview', 0), False) |
| 92 | + |
| 93 | + |
| 94 | +if __name__ == '__main__': |
| 95 | + unittest.main() |
0 commit comments