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# -*- coding: utf-8 -*-
"""
***************************************************************************
ToolsTest
---------------------
Date : July 2017
Copyright : (C) 2017 by Nyall Dawson
Email : nyall dot dawson at gmail dot com
***************************************************************************
* *
* 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__ = 'July 2016'
__copyright__ = '(C) 2016, Nyall Dawson'
# This will get replaced with a git SHA1 when you do a git archive
__revision__ = '$Format:%H$'
from qgis.testing import start_app, unittest
from processing.tests.TestData import points2
from processing.tools import vector
from qgis.core import (QgsVectorLayer, QgsFeatureRequest)
from processing.core.ProcessingConfig import ProcessingConfig
import os.path
import errno
import shutil
dataFolder = os.path.join(os.path.dirname(__file__), '../../../../tests/testdata/')
tmpBaseFolder = os.path.join(os.sep, 'tmp', 'qgis_test', str(os.getpid()))
def mkDirP(path):
try:
os.makedirs(path)
except OSError as exc:
if exc.errno == errno.EEXIST and os.path.isdir(path):
pass
else:
raise
start_app()
class VectorTest(unittest.TestCase):
@classmethod
def setUpClass(cls):
mkDirP(tmpBaseFolder)
@classmethod
def tearDownClass(cls):
shutil.rmtree(tmpBaseFolder)
pass
# See http://hub.qgis.org/issues/15698
def test_ogrLayerName(self):
tmpdir = os.path.join(tmpBaseFolder, 'ogrLayerName')
os.mkdir(tmpdir)
def linkTestfile(f, t):
os.link(os.path.join(dataFolder, f), os.path.join(tmpdir, t))
# URI from OGR provider
linkTestfile('geom_data.csv', 'a.csv')
name = vector.ogrLayerName(tmpdir)
self.assertEqual(name, 'a')
# URI from OGR provider
linkTestfile('wkt_data.csv', 'b.csv')
name = vector.ogrLayerName(tmpdir + '|layerid=0')
self.assertEqual(name, 'a')
name = vector.ogrLayerName(tmpdir + '|layerid=1')
self.assertEqual(name, 'b')
# URI from OGR provider
name = vector.ogrLayerName(tmpdir + '|layerid=2')
self.assertEqual(name, 'invalid-layerid')
# URI from OGR provider
name = vector.ogrLayerName(tmpdir + '|layername=f')
self.assertEqual(name, 'f') # layername takes precedence
# URI from OGR provider
name = vector.ogrLayerName(tmpdir + '|layerid=0|layername=f2')
self.assertEqual(name, 'f2') # layername takes precedence
# URI from OGR provider
name = vector.ogrLayerName(tmpdir + '|layername=f2|layerid=0')
self.assertEqual(name, 'f2') # layername takes precedence
# URI from Sqlite provider
name = vector.ogrLayerName('dbname=\'/tmp/x.sqlite\' table="t" (geometry) sql=')
self.assertEqual(name, 't')
# URI from PostgreSQL provider
name = vector.ogrLayerName('port=5493 sslmode=disable key=\'edge_id\' srid=0 type=LineString table="city_data"."edge" (geom) sql=')
self.assertEqual(name, 'city_data.edge')
def testFeatures(self):
ProcessingConfig.initialize()
test_data = points2()
test_layer = QgsVectorLayer(test_data, 'test', 'ogr')
# test with all features
features = vector.features(test_layer)
self.assertEqual(len(features), 8)
self.assertEqual(set([f.id() for f in features]), set([0, 1, 2, 3, 4, 5, 6, 7]))
previous_value = ProcessingConfig.getSetting(ProcessingConfig.USE_SELECTED)
# using selected features, but no selection
ProcessingConfig.setSettingValue(ProcessingConfig.USE_SELECTED, True)
test_layer.removeSelection()
features = vector.features(test_layer)
self.assertEqual(len(features), 8)
self.assertEqual(set([f.id() for f in features]), set([0, 1, 2, 3, 4, 5, 6, 7]))
ProcessingConfig.setSettingValue(ProcessingConfig.USE_SELECTED, previous_value)
if __name__ == '__main__':
unittest.main()
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