/[thuban]/branches/WIP-pyshapelib-bramz/test/test_proj.py
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trunk/thuban/test/test_proj.py revision 1982 by bh, Thu Nov 27 15:25:34 2003 UTC branches/WIP-pyshapelib-bramz/test/test_proj.py revision 2734 by bramz, Thu Mar 1 12:42:59 2007 UTC
# Line 1  Line 1 
1  # Copyright (c) 2002, 2003 by Intevation GmbH  # Copyright (c) 2002, 2003, 2006 by Intevation GmbH
2  # Authors:  # Authors:
3  # Bernhard Herzog <[email protected]>  # Bernhard Herzog <[email protected]>
4    # Bernhard Reiter <[email protected]>
5  #  #
6  # This program is free software under the GPL (>=v2)  # This program is free software under the GPL (>=v2)
7  # Read the file COPYING coming with Thuban for details.  # Read the file COPYING coming with Thuban for details.
# Line 14  __version__ = "$Revision$" Line 15  __version__ = "$Revision$"
15  # $Id$  # $Id$
16    
17  import unittest  import unittest
18    import locale
19  import os  import os
20    
21    import localessupport
22  import xmlsupport  import xmlsupport
23  import support  import support
24  support.initthuban()  support.initthuban()
# Line 96  class TestProjection(unittest.TestCase, Line 99  class TestProjection(unittest.TestCase,
99                             "ellps=clrk66"])                             "ellps=clrk66"])
100          self.assertEquals(proj.GetProjectedUnits(), PROJ_UNITS_DEGREES)          self.assertEquals(proj.GetProjectedUnits(), PROJ_UNITS_DEGREES)
101    
102        def test_lc_numeric_robustness(self):
103            """Test if an LC_NUMERIC local with comma as decimal_point will work.
104    
105            Some versions of proj are not robust against this.
106            Starting with Python 2.4 there is a different behaviour when
107            calling C extensions and now they will see changes locales settings
108            which might tickle the bug in proj.
109            """
110            params = ["proj=latlong", "to_meter=0.01745", "ellps=clrk66"]
111    
112            oldlocale = localessupport.setdecimalcommalocale()
113            if oldlocale == None:
114                raise support.SkipTest(
115                        "No locale with comma as decimal_point found.")
116    
117            proj = Projection(params)
118            #print proj.work_around_broken_proj
119            result1 =  proj.Forward(1.2,3.2)
120    
121            locale.setlocale(locale.LC_NUMERIC, "C")
122            proj = Projection(params)
123            result2= proj.Forward(1.2,3.2)
124    
125            locale.setlocale(locale.LC_NUMERIC, oldlocale)
126            self.assertFloatSeqEqual(result1, result2, epsilon = 1e-5 )
127    
128      def test_get_projection_units_normal(self):      def test_get_projection_units_normal(self):
129          """Test Projection.GetProjectedUnits() for normal projection"""          """Test Projection.GetProjectedUnits() for normal projection"""
130          proj = Projection(["zone=26", "proj=utm", "ellps=clrk66"])          proj = Projection(["zone=26", "proj=utm", "ellps=clrk66"])
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