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# Copyright (c) 2003 by Intevation GmbH |
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# Authors: |
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# Jan-Oliver Wagner <[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 Thuban for details. |
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""" |
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Test gns2shp extension. |
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""" |
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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 os |
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import support |
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import shapelib |
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from dbflib import DBFFile, FTString, FTInteger, FTDouble |
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from Extensions.gns2shp.gns2shp import gns2shp |
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class gns2shpTest(unittest.TestCase, support.FileTestMixin): |
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def test(self): |
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"""Test for correct creation of Shapefile from GNS text file format""" |
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eq = self.assertEquals |
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# create a temporary gns file (use liechtenstein as reference) |
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filename = self.temp_file_name('test.gns') |
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os.system('cp ls.txt %s' % filename) |
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# convert the reference gns file to shapefile |
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dest_filename = self.temp_file_name('test') |
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n = gns2shp(filename, dest_filename) |
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# is the number of shapes correct? |
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eq(n, 88) # what gns2shp reports |
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# and now the actually written ones |
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shp = shapelib.ShapeFile(dest_filename) |
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numshapes, shapetype, mins, maxs = shp.info() |
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eq(numshapes, n) |
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# correct shapefile type? |
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eq(shapetype, shapelib.SHPT_POINT) |
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# attribute data correct? |
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field_types = { 'RC': FTInteger, |
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'UFI': FTInteger, |
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'UNI': FTInteger, |
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'UTM': FTString, |
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'JOG': FTString, |
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'FC': FTString, |
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'DSG': FTString, |
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'PC': FTInteger, |
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'CC1': FTString, |
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'ADM1': FTString, |
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'ADM2': FTString, |
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'DIM': FTInteger, |
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'CC2': FTString, |
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'NT': FTString, |
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'LC': FTString, |
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'SHORT_FORM': FTString, |
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'GENERIC': FTString, |
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'SORT_NAME': FTString, |
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'FULL_NAME': FTString, |
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'FULL_ND': FTString, |
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'MODIFY_DAT': FTString} |
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dbf = DBFFile(dest_filename) |
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eq(dbf.record_count(), n) # correct number of data sets? |
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eq(dbf.field_count(), len(field_types)) # correct number of fields? |
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for i in range(dbf.field_count()): |
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ftype, name, width, prec = dbf.field_info(i) |
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eq(ftype, field_types[name]) # field of correct type? |
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if __name__ == "__main__": |
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unittest.main() |
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