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# coding=utf-8
"""Tests for QGIS functionality.
.. 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 __future__ import absolute_import
__author__ = 'tim@linfiniti.com'
__date__ = '20/01/2011'
__copyright__ = ('Copyright 2012, Australia Indonesia Facility for '
'Disaster Reduction')
import os
import unittest
from qgis import *
from qgis.core import *
from qgis.gui import *
from qgis.core import (
QgsProviderRegistry,
QgsCoordinateReferenceSystem,
QgsRasterLayer)
from utilities import get_qgis_app
QGIS_APP = get_qgis_app()
class QGISTest(unittest.TestCase):
"""Test the QGIS Environment"""
def test_qgis_environment(self):
"""QGIS environment has the expected providers"""
r = QgsProviderRegistry.instance()
self.assertIn('gdal', r.providerList())
self.assertIn('ogr', r.providerList())
self.assertIn('postgres', r.providerList())
def test_projection(self):
"""Test that QGIS properly parses a wkt string.
"""
crs = QgsCoordinateReferenceSystem()
wkt = (
'GEOGCS["GCS_WGS_1984",DATUM["D_WGS_1984",'
'SPHEROID["WGS_1984",6378137.0,298.257223563]],'
'PRIMEM["Greenwich",0.0],UNIT["Degree",'
'0.0174532925199433]]')
crs.createFromWkt(wkt)
auth_id = crs.authid()
expected_auth_id = 'EPSG:4326'
self.assertEqual(auth_id, expected_auth_id)
from example.Images import Img_2014_08_11_LC82270652014223LGN00_BOA
path = Img_2014_08_11_LC82270652014223LGN00_BOA
title = 'TestRaster'
layer = QgsRasterLayer(path, title)
auth_id = layer.crs().authid()
self.assertEqual(auth_id, expected_auth_id)
if __name__ == '__main__':
unittest.main()