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"""
***************************************************************************
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
import unittest
from qgis.testing import start_app, QgisTestCase
from processing.tests.TestData import points
from processing.tools import vector
testDataPath = os.path.join(os.path.dirname(__file__), "testdata")
start_app()
class VectorTest(QgisTestCase):
@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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