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# Copyright (C) 2003 by Intevation GmbH |
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# Authors: |
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# Bernhard Herzog <[email protected]> |
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# |
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# This program is free software under the GPL (>=v2) |
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# Read the file COPYING coming with the software for details. |
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"""Test Thuban.Model.wellknowntext""" |
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__version__ = "$Revision$" |
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# $Source$ |
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# $Id$ |
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import unittest |
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import support |
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support.initthuban() |
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from Thuban.Model.wellknowntext import parse_wkt_thuban |
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class TestWKT(unittest.TestCase, support.FloatComparisonMixin): |
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def test_point(self): |
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"""Test WKT parsing of POINT geometries""" |
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wkt = "SRID=1;POINT(6554860 967048)" |
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self.assertPointListEquals(parse_wkt_thuban(wkt), |
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[[(6554860, 967048)]]) |
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def test_multilinestring(self): |
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"""Test WKT parsing of MULTILINESTRING geometries""" |
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wkt = ("MULTILINESTRING((" |
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"(6489598.51 867720.64," |
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"6489593.90 867837.42)," |
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"(6489624.12 867714.83," |
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"6489629.83 867621.31," |
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"6489616.35 867552.57," |
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"6489608.31 867507.10)," |
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"(6489902.89 868153.54," |
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"6489880.85 868167.12," |
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"6489837.96 868136.41," |
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"6489788.94 868071.37)))") |
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self.assertPointListEquals(parse_wkt_thuban(wkt), |
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[[(6489598.51, 867720.64), |
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(6489593.90, 867837.42)], |
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[(6489624.12, 867714.83), |
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(6489629.83, 867621.31), |
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(6489616.35, 867552.57), |
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(6489608.31, 867507.10)], |
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[(6489902.89, 868153.54), |
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(6489880.85, 868167.12), |
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(6489837.96, 868136.41), |
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(6489788.94, 868071.37)]]) |
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def test_polygon(self): |
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"""Test WKT parsing of POLYGON geometries""" |
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wkt = ("SRID=1;POLYGON((6545639.323878 961209.599602," |
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"6545630.08526 961213.426864,6545617.99819 961184.249912," |
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"6545627.236809 961180.422651,6545639.323878 961209.599602))") |
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self.assertPointListEquals(parse_wkt_thuban(wkt), |
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[[(6545639.323878, 961209.599602), |
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(6545630.08526, 961213.426864), |
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(6545617.99819, 961184.249912), |
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(6545627.236809, 961180.422651), |
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(6545639.323878, 961209.599602)]]) |
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def test_errors(self): |
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"""Test WKT parsing error detection""" |
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# empty strings cause value errors |
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self.assertRaises(ValueError, parse_wkt_thuban, "") |
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# strings with only an SRID cause value errors |
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self.assertRaises(ValueError, parse_wkt_thuban, "SRID=1") |
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# Missing parentheses cause value errors |
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self.assertRaises(ValueError, parse_wkt_thuban, "POINT(10 20") |
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if __name__ == "__main__": |
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support.run_tests() |
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