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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 cases for wxproj""" |
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__version__ = "$Revision$" |
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# $Source$ |
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# $Id$ |
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import os |
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import unittest |
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import support |
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support.initthuban() |
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import shapelib |
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from wxproj import shape_centroid |
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from Thuban.Model.proj import Projection |
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class TestShapeCentroid(unittest.TestCase, support.FloatComparisonMixin): |
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"""Test cases for wxproj.shape_centroid()""" |
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def setUp(self): |
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filename = os.path.join("..", "Data", "iceland", "political.shp") |
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self.shapefile = shapelib.ShapeFile(filename) |
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self.map_proj = Projection(["proj=utm", "zone=26", "ellps=clrk66"]) |
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self.layer_proj = Projection(["proj=latlong", |
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"to_meter=0.017453292519943295", |
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"ellps=clrk66"]) |
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def test_no_proj(self): |
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"""Test shape_centroid without any projections""" |
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self.assertFloatSeqEqual(shape_centroid(self.shapefile.cobject(), 0, |
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None, None, |
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1, 1, 0, 0), |
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(-22.5514848648, 64.7794567309)) |
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def test_map_proj(self): |
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"""Test shape_centroid with map projection""" |
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self.assertFloatSeqEqual(shape_centroid(self.shapefile.cobject(), 0, |
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self.map_proj, None, |
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1, 1, 0, 0), |
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(711378, 7191110), |
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epsilon = 1) |
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def test_layer_proj(self): |
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"""Test shape_centroid with layer projection""" |
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self.assertFloatSeqEqual(shape_centroid(self.shapefile.cobject(), 0, |
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None, self.layer_proj, |
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1, 1, 0, 0), |
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(-22.5514848648, 64.7794567309)) |
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def test_both_proj(self): |
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"""Test shape_centroid with map and layer projection""" |
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self.assertFloatSeqEqual(shape_centroid(self.shapefile.cobject(), 0, |
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self.map_proj, self.layer_proj, |
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1, 1, 0, 0), |
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(711378, 7191110), |
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epsilon=1) |
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def test_invalid_shape_id(self): |
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"""Test shape_centroid without an invalid shape id""" |
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self.assertRaises(ValueError, shape_centroid, |
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self.shapefile.cobject(), -1, None, None, |
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1, 1, 0, 0) |
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self.assertRaises(ValueError, shape_centroid, |
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self.shapefile.cobject(), 1000000, None, None, |
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1, 1, 0, 0) |
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if __name__ == "__main__": |
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support.run_tests() |
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