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# -*- coding: utf-8 -*- | ||
"""QGIS Unit tests for QgsCRSCache. | ||
.. 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. | ||
""" | ||
__author__ = 'Nyall Dawson' | ||
__date__ = '06/06/2016' | ||
__copyright__ = 'Copyright 2016, The QGIS Project' | ||
# This will get replaced with a git SHA1 when you do a git archive | ||
__revision__ = '$Format:%H$' | ||
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import qgis # NOQA | ||
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from qgis.core import (QgsCRSCache, | ||
QgsCoordinateReferenceSystem, | ||
QGis, | ||
QgsUnitTypes | ||
) | ||
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from qgis.testing import start_app, unittest | ||
from qgis.PyQt.QtCore import QLocale | ||
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# Convenience instances in case you may need them | ||
# not used in this test | ||
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start_app() | ||
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class TestQgsCRSCache(unittest.TestCase): | ||
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def testInstance(self): | ||
""" test retrieving global instance """ | ||
self.assertTrue(QgsCRSCache.instance()) | ||
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def testcrsByOgcWmsCrs(self): | ||
""" test retrieving CRS from cache using Ogc WMS definition """ | ||
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crs = QgsCRSCache.instance().crsByOgcWmsCrs('EPSG:4326') | ||
self.assertTrue(crs.isValid()) | ||
self.assertEqual(crs.authid(), 'EPSG:4326') | ||
# a second time, so crs is fetched from cache | ||
crs = QgsCRSCache.instance().crsByOgcWmsCrs('EPSG:4326') | ||
self.assertTrue(crs.isValid()) | ||
self.assertEqual(crs.authid(), 'EPSG:4326') | ||
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# invalid | ||
crs = QgsCRSCache.instance().crsByOgcWmsCrs('i am not a CRS') | ||
self.assertFalse(crs.isValid()) | ||
# a second time, so invalid crs is fetched from cache | ||
crs = QgsCRSCache.instance().crsByOgcWmsCrs('i am not a CRS') | ||
self.assertFalse(crs.isValid()) | ||
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def testcrsByEpsgId(self): | ||
""" test retrieving CRS from cache using EPSG id """ | ||
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crs = QgsCRSCache.instance().crsByEpsgId(3111) | ||
self.assertTrue(crs.isValid()) | ||
self.assertEqual(crs.authid(), 'EPSG:3111') | ||
# a second time, so crs is fetched from cache | ||
crs = QgsCRSCache.instance().crsByEpsgId(3111) | ||
self.assertTrue(crs.isValid()) | ||
self.assertEqual(crs.authid(), 'EPSG:3111') | ||
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# invalid | ||
crs = QgsCRSCache.instance().crsByEpsgId(-9999) | ||
self.assertFalse(crs.isValid()) | ||
# a second time, so invalid crs is fetched from cache | ||
crs = QgsCRSCache.instance().crsByEpsgId(-9999) | ||
self.assertFalse(crs.isValid()) | ||
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def testcrsByProj4(self): | ||
""" test retrieving CRS from cache using proj4 """ | ||
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crs = QgsCRSCache.instance().crsByProj4('+proj=utm +zone=55 +south +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs ') | ||
self.assertTrue(crs.isValid()) | ||
self.assertEqual(crs.authid(), 'EPSG:28355') | ||
# a second time, so crs is fetched from cache | ||
crs = QgsCRSCache.instance().crsByProj4('+proj=utm +zone=55 +south +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs ') | ||
self.assertTrue(crs.isValid()) | ||
self.assertEqual(crs.authid(), 'EPSG:28355') | ||
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# invalid | ||
crs = QgsCRSCache.instance().crsByProj4('asdasdasd') | ||
self.assertFalse(crs.isValid()) | ||
# a second time, so invalid crs is fetched from cache | ||
crs = QgsCRSCache.instance().crsByProj4('asdasdasd') | ||
self.assertFalse(crs.isValid()) | ||
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if __name__ == '__main__': | ||
unittest.main() |