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# -*- coding: utf-8 -*-
"""
***************************************************************************
ToolsTest
---------------------
Date : July 2016
Copyright : (C) 2016 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'
import os
import shutil
from qgis.core import NULL, QgsVectorLayer
from qgis.testing import start_app, unittest
from processing.tests.TestData import points
from processing.tools import vector
testDataPath = os.path.join(os.path.dirname(__file__), 'testdata')
start_app()
class VectorTest(unittest.TestCase):
@classmethod
def setUpClass(cls):
cls.cleanup_paths = []
@classmethod
def tearDownClass(cls):
for path in cls.cleanup_paths:
shutil.rmtree(path)
def testValues(self):
test_data = points()
test_layer = QgsVectorLayer(test_data, 'test', 'ogr')
# field by index
res = vector.values(test_layer, 1)
self.assertEqual(res[1], [1, 2, 3, 4, 5, 6, 7, 8, 9])
# field by name
res = vector.values(test_layer, 'id')
self.assertEqual(res['id'], [1, 2, 3, 4, 5, 6, 7, 8, 9])
# two fields
res = vector.values(test_layer, 1, 2)
self.assertEqual(res[1], [1, 2, 3, 4, 5, 6, 7, 8, 9])
self.assertEqual(res[2], [2, 1, 0, 2, 1, 0, 0, 0, 0])
# two fields by name
res = vector.values(test_layer, 'id', 'id2')
self.assertEqual(res['id'], [1, 2, 3, 4, 5, 6, 7, 8, 9])
self.assertEqual(res['id2'], [2, 1, 0, 2, 1, 0, 0, 0, 0])
# two fields by name and index
res = vector.values(test_layer, 'id', 2)
self.assertEqual(res['id'], [1, 2, 3, 4, 5, 6, 7, 8, 9])
self.assertEqual(res[2], [2, 1, 0, 2, 1, 0, 0, 0, 0])
def testConvertNulls(self):
self.assertEqual(vector.convert_nulls([]), [])
self.assertEqual(vector.convert_nulls([], '_'), [])
self.assertEqual(vector.convert_nulls([NULL]), [None])
self.assertEqual(vector.convert_nulls([NULL], '_'), ['_'])
self.assertEqual(vector.convert_nulls([NULL], -1), [-1])
self.assertEqual(vector.convert_nulls([1, 2, 3]), [1, 2, 3])
self.assertEqual(vector.convert_nulls([1, None, 3]), [1, None, 3])
self.assertEqual(vector.convert_nulls([1, NULL, 3, NULL]), [1, None, 3, None])
self.assertEqual(vector.convert_nulls([1, NULL, 3, NULL], '_'), [1, '_', 3, '_'])
if __name__ == '__main__':
unittest.main()
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