def test_esri(self): srs = SpatialReference('NAD83') pre_esri_wkt = srs.wkt srs.to_esri() self.assertNotEqual(srs.wkt, pre_esri_wkt) self.assertIn('DATUM["D_North_American_1983"', srs.wkt) srs.from_esri() self.assertIn('DATUM["North_American_Datum_1983"', srs.wkt)