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f247a7cda3
Remove processing vector.uniqueValues/vector.getUniqueValues and port usage to c++ method Should be much faster than the python method, as the c++ method takes advantage of handing off the unique values calculation to the provider source whenever possible
136 lines
4.6 KiB
Python
136 lines
4.6 KiB
Python
# -*- coding: utf-8 -*-
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"""
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***************************************************************************
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ToolsTest
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---------------------
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Date : July 2016
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Copyright : (C) 2016 by Nyall Dawson
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Email : nyall dot dawson at gmail dot com
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***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************
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"""
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__author__ = 'Nyall Dawson'
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__date__ = 'July 2016'
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__copyright__ = '(C) 2016, Nyall Dawson'
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# This will get replaced with a git SHA1 when you do a git archive
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__revision__ = '$Format:%H$'
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import os
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import shutil
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import tempfile
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from qgis.core import (QgsVectorLayer,
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QgsFeatureRequest,
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QgsProcessingContext)
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from qgis.testing import start_app, unittest
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from processing.tests.TestData import points
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from processing.tools import vector
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testDataPath = os.path.join(os.path.dirname(__file__), 'testdata')
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start_app()
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class VectorTest(unittest.TestCase):
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@classmethod
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def setUpClass(cls):
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cls.cleanup_paths = []
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@classmethod
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def tearDownClass(cls):
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for path in cls.cleanup_paths:
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shutil.rmtree(path)
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def testValues(self):
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context = QgsProcessingContext()
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# disable check for geometry validity
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context.setFlags(QgsProcessingContext.Flags(0))
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test_data = points()
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test_layer = QgsVectorLayer(test_data, 'test', 'ogr')
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# field by index
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res = vector.values(test_layer, context, 1)
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self.assertEqual(res[1], [1, 2, 3, 4, 5, 6, 7, 8, 9])
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# field by name
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res = vector.values(test_layer, context, 'id')
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self.assertEqual(res['id'], [1, 2, 3, 4, 5, 6, 7, 8, 9])
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# two fields
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res = vector.values(test_layer, context, 1, 2)
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self.assertEqual(res[1], [1, 2, 3, 4, 5, 6, 7, 8, 9])
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self.assertEqual(res[2], [2, 1, 0, 2, 1, 0, 0, 0, 0])
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# two fields by name
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res = vector.values(test_layer, context, 'id', 'id2')
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self.assertEqual(res['id'], [1, 2, 3, 4, 5, 6, 7, 8, 9])
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self.assertEqual(res['id2'], [2, 1, 0, 2, 1, 0, 0, 0, 0])
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# two fields by name and index
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res = vector.values(test_layer, context, 'id', 2)
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self.assertEqual(res['id'], [1, 2, 3, 4, 5, 6, 7, 8, 9])
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self.assertEqual(res[2], [2, 1, 0, 2, 1, 0, 0, 0, 0])
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# test with selected features
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context.setFlags(QgsProcessingContext.UseSelectionIfPresent)
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test_layer.selectByIds([2, 4, 6])
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res = vector.values(test_layer, context, 1)
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self.assertEqual(set(res[1]), set([5, 7, 3]))
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def testOgrLayerNameExtraction(self):
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outdir = tempfile.mkdtemp()
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self.cleanup_paths.append(outdir)
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def _copyFile(dst):
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shutil.copyfile(os.path.join(testDataPath, 'custom', 'grass7', 'weighted.csv'), dst)
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# OGR provider - single layer
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_copyFile(os.path.join(outdir, 'a.csv'))
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name = vector.ogrLayerName(outdir)
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self.assertEqual(name, 'a')
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# OGR provider - multiple layers
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_copyFile(os.path.join(outdir, 'b.csv'))
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name1 = vector.ogrLayerName(outdir + '|layerid=0')
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name2 = vector.ogrLayerName(outdir + '|layerid=1')
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self.assertEqual(sorted([name1, name2]), ['a', 'b'])
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name = vector.ogrLayerName(outdir + '|layerid=2')
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self.assertIsNone(name)
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# OGR provider - layername takes precedence
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name = vector.ogrLayerName(outdir + '|layername=f')
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self.assertEqual(name, 'f')
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name = vector.ogrLayerName(outdir + '|layerid=0|layername=f')
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self.assertEqual(name, 'f')
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name = vector.ogrLayerName(outdir + '|layername=f|layerid=0')
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self.assertEqual(name, 'f')
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# SQLiite provider
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name = vector.ogrLayerName('dbname=\'/tmp/x.sqlite\' table="t" (geometry) sql=')
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self.assertEqual(name, 't')
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# PostgreSQL provider
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name = vector.ogrLayerName('port=5493 sslmode=disable key=\'edge_id\' srid=0 type=LineString table="city_data"."edge" (geom) sql=')
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self.assertEqual(name, 'city_data.edge')
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if __name__ == '__main__':
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unittest.main()
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