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Add test for handle bad layers and invalid layers pass through
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# -*- coding: utf-8 -*- | ||
"""QGIS Unit tests for QgsProject. | ||
.. 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. | ||
""" | ||
from builtins import chr | ||
from builtins import range | ||
__author__ = 'Alessandro Pasotti' | ||
__date__ = '20/10/2018' | ||
__copyright__ = 'Copyright 2018, The QGIS Project' | ||
# This will get replaced with a git SHA1 when you do a git archive | ||
__revision__ = '$Format:%H$' | ||
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import os | ||
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import qgis # NOQA | ||
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from qgis.core import (QgsProject, | ||
QgsVectorLayer, | ||
QgsRasterLayer, | ||
QgsMapLayer, | ||
) | ||
from qgis.gui import (QgsLayerTreeMapCanvasBridge, | ||
QgsMapCanvas) | ||
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from qgis.PyQt.QtTest import QSignalSpy | ||
from qgis.PyQt.QtCore import QT_VERSION_STR, QTemporaryDir | ||
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from qgis.testing import start_app, unittest | ||
from utilities import (unitTestDataPath) | ||
from shutil import copyfile | ||
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app = start_app() | ||
TEST_DATA_DIR = unitTestDataPath() | ||
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class TestQgsProjectBadLayers(unittest.TestCase): | ||
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def test_project_roundtrip(self): | ||
temp_dir = QTemporaryDir() | ||
p = QgsProject.instance() | ||
for ext in ('shp', 'dbf', 'shx', 'prj'): | ||
copyfile(os.path.join(TEST_DATA_DIR, 'lines.%s' % ext), os.path.join(temp_dir.path(), 'lines.%s' % ext)) | ||
copyfile(os.path.join(TEST_DATA_DIR, 'raster', 'band1_byte_ct_epsg4326.tif'), os.path.join(temp_dir.path(), 'band1_byte_ct_epsg4326.tif')) | ||
l = QgsVectorLayer(os.path.join(temp_dir.path(), 'lines.shp'), 'lines', 'ogr') | ||
self.assertTrue(l.isValid()) | ||
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rl = QgsRasterLayer(os.path.join(temp_dir.path(), 'band1_byte_ct_epsg4326.tif'), 'raster', 'gdal') | ||
self.assertTrue(rl.isValid()) | ||
self.assertTrue(p.addMapLayers([l, rl])) | ||
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# Save project | ||
project_path = os.path.join(temp_dir.path(), 'project.qgs') | ||
self.assertTrue(p.write(project_path)) | ||
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# Now create and invalid project: | ||
bad_project_path = os.path.join(temp_dir.path(), 'project_bad.qgs') | ||
with open(project_path, 'r') as infile: | ||
with open(bad_project_path, 'w+') as outfile: | ||
outfile.write(infile.read().replace('./lines.shp', './lines-BAD_SOURCE.shp')) | ||
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# Load the bad project | ||
self.assertTrue(p.read(bad_project_path)) | ||
# Check layer is invalid | ||
self.assertFalse(list(p.mapLayers().values())[0].isValid()) | ||
self.assertTrue(list(p.mapLayers().values())[1].isValid()) | ||
# Save the project | ||
bad_project_path2 = os.path.join(temp_dir.path(), 'project_bad2.qgs') | ||
p.write(bad_project_path2) | ||
# Re-save the project, with fixed paths | ||
good_project_path = os.path.join(temp_dir.path(), 'project_good.qgs') | ||
with open(bad_project_path2, 'r') as infile: | ||
with open(good_project_path, 'w+') as outfile: | ||
outfile.write(infile.read().replace('./lines-BAD_SOURCE.shp', './lines.shp')) | ||
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# Load the good project | ||
self.assertTrue(p.read(good_project_path)) | ||
# Check layer is valid | ||
self.assertTrue(list(p.mapLayers().values())[0].isValid()) | ||
self.assertTrue(list(p.mapLayers().values())[1].isValid()) | ||
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if __name__ == '__main__': | ||
unittest.main() |