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# Copyright (c) 2002 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 Thuban for details. |
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""" |
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Test loading a thuban session from a file |
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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 os |
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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.load import load_session |
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from Thuban.Model.session import Session |
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from Thuban.Model.map import Map |
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from Thuban.Model.layer import Layer |
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from Thuban.Model.proj import Projection |
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from Thuban.Model.color import Color |
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def filenames_equal(name1, name2): |
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"""Return true if the filenames name1 and name2 are equal. |
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On systems where it is available, simply use os.path.samefile, |
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otherwise return whether the normalized versions of the filenames |
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according to os.path.normpath are equal. |
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""" |
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if hasattr(os.path, "samefile"): |
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return os.path.samefile(name1, name2) |
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return os.path.normpath(name1) == os.path.normpath(name2) |
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contents_single_map = '''\ |
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<?xml version="1.0" encoding="UTF-8"?> |
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<!DOCTYPE session SYSTEM "thuban.dtd"> |
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<session title="single map&layer"> |
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<map title="Test Map"> |
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<projection> |
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<parameter value="zone=26"/> |
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<parameter value="proj=utm"/> |
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<parameter value="ellps=clrk66"/> |
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</projection> |
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<layer title="My Layer" stroke_width="1" fill="None" |
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filename="../../Data/iceland/political.shp" |
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stroke="#000000"/> |
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</map> |
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</session> |
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''' |
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class LoadSessionTest(unittest.TestCase, support.FileTestMixin): |
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def setUp(self): |
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"""Create the test files""" |
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file = open(self.temp_file_name("load_singlelayer.thuban"), "w") |
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file.write(contents_single_map) |
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file.close() |
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self.session = None |
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def tearDown(self): |
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if self.session is not None: |
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self.session.Destroy() |
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def testSingleLayer(self): |
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"""Load a session with a single map with a single layer""" |
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eq = self.assertEquals |
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session = load_session(self.temp_file_name("load_singlelayer.thuban")) |
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self.session = session |
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# Check the title |
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eq(session.Title(), "single map&layer") |
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# the session has one map. |
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maps = session.Maps() |
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eq(len(maps), 1) |
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# Check the map's attributes |
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map = maps[0] |
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eq(map.Title(), "Test Map") |
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# the map has a single layer |
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layers = map.Layers() |
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eq(len(layers), 1) |
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# Check the layer attributes |
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layer = layers[0] |
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eq(layer.Title(), "My Layer") |
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self.failUnless(filenames_equal(layer.filename, |
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os.path.join(self.temp_dir(), |
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os.pardir, os.pardir, |
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"Data", "iceland", |
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"political.shp"))) |
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eq(layer.GetClassification().GetDefaultFill(), Color.Transparent) |
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eq(layer.GetClassification().GetDefaultLineColor().hex(), "#000000") |
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if __name__ == "__main__": |
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unittest.main() |
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