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# Copyright (c) 2002, 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 Thuban for details. |
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""" |
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Test loading a thuban session from a file generated by Thuban 0.8.0 or 0.8.1 |
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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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import dbflib |
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from Thuban.Model.load import load_session, parse_color, LoadError |
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from Thuban.Model.color import Transparent |
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from Thuban.Model.classification import ClassGroupProperties, ClassGroupRange,\ |
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ClassGroupSingleton, ClassGroupDefault |
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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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class LoadSessionTest(support.FileLoadTestCase): |
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"""Base class for .thuban file loading tests |
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Basically the same as the FileLoadTestCase, except that all tests |
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use the '.thuban' extension by default and that setUp and tearDown |
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handle sessions. |
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""" |
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file_extension = ".thuban" |
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def setUp(self): |
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"""Create the test files""" |
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support.FileLoadTestCase.setUp(self) |
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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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self.session = None |
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dtd = "http://thuban.intevation.org/dtds/thuban-0.8.dtd" |
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thubanids = [((dtd, n), (None, "id")) for n in |
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["fileshapesource", "filetable", "jointable", |
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"derivedshapesource"]] |
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thubanidrefs = [((dtd, n), (None, m)) for n, m in |
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[("layer", "shapestore"), |
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("jointable", "left"), |
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("jointable", "right"), |
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("derivedshapesource", "table"), |
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("derivedshapesource", "shapesource")]] |
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del n, m, dtd |
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class ClassificationTest(LoadSessionTest): |
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""" |
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Base class for tests that do some detailed checking of classifications |
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""" |
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def TestLayers(self, layers, expected): |
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TITLE = 0 |
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NUM_GROUPS = 1 |
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CLASSES = 2 |
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GROUP_TYPE = 0 |
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GROUP_DATA = 1 |
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GROUP_LABEL = 2 |
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GROUP_PROPS = 3 |
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eq = self.assertEquals |
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eq(len(layers), len(expected)) |
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for layer, data in zip(layers, expected): |
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eq(layer.Title(), data[TITLE]) |
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clazz = layer.GetClassification() |
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eq(clazz.GetNumGroups(), data[NUM_GROUPS]) |
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eq(clazz.GetNumGroups() + 1, len(data[CLASSES])) |
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i = 0 |
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for group in clazz: |
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props = ClassGroupProperties() |
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props.SetLineColor( |
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parse_color(data[CLASSES][i][GROUP_PROPS][0])) |
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props.SetLineWidth(data[CLASSES][i][GROUP_PROPS][1]) |
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props.SetFill( |
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parse_color(data[CLASSES][i][GROUP_PROPS][2])) |
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if data[CLASSES][i][GROUP_TYPE] == "default": |
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g = ClassGroupDefault(props, data[CLASSES][i][GROUP_LABEL]) |
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elif data[CLASSES][i][GROUP_TYPE] == "range": |
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g = ClassGroupRange((data[CLASSES][i][GROUP_DATA][0], |
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data[CLASSES][i][GROUP_DATA][1]), |
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props, data[CLASSES][i][GROUP_LABEL]) |
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elif data[CLASSES][i][GROUP_TYPE] == "single": |
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g = ClassGroupSingleton(data[CLASSES][i][GROUP_DATA], |
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props, data[CLASSES][i][GROUP_LABEL]) |
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eq(group, g) |
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i += 1 |
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class TestSingleLayer(LoadSessionTest): |
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file_contents = '''\ |
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<?xml version="1.0" encoding="UTF-8"?> |
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<!DOCTYPE session SYSTEM "thuban-0.8.dtd"> |
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<session xmlns="http://thuban.intevation.org/dtds/thuban-0.8.dtd" |
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title="single map&layer"> |
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<fileshapesource filetype="shapefile" id="D1" |
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filename="../../Data/iceland/political.shp"/> |
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<map title="Test Map"> |
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<projection name="Unknown"> |
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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 shapestore="D1" visible="true" |
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stroke="#000000" title="My Layer" stroke_width="1" |
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fill="None"/> |
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</map> |
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</session> |
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''' |
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def test(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.filename()) |
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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.ShapeStore().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(), Transparent) |
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eq(layer.GetClassification().GetDefaultLineColor().hex(), "#000000") |
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eq(layer.Visible(), True) |
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self.session.Destroy() |
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self.session = None |
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class TestLayerVisibility(LoadSessionTest): |
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file_contents = '''\ |
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<?xml version="1.0" encoding="UTF-8"?> |
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<!DOCTYPE session SYSTEM "thuban-0.8.dtd"> |
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<session xmlns="http://thuban.intevation.org/dtds/thuban-0.8.dtd" |
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title="single map&layer"> |
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<fileshapesource filetype="shapefile" id="D1" |
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filename="../../Data/iceland/political.shp"/> |
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<map title="Test Map"> |
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<projection name="Unknown"> |
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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 shapestore="D1" visible="false" stroke="#000000" |
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title="My Layer" stroke_width="1" fill="None"/> |
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</map> |
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</session> |
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''' |
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def test(self): |
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"""Test that the visible flag is correctly loaded for a layer.""" |
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eq = self.assertEquals |
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session = load_session(self.filename()) |
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self.session = session |
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maps = session.Maps() |
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eq(len(maps), 1) |
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map = maps[0] |
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layers = map.Layers() |
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eq(len(layers), 1) |
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layer = layers[0] |
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eq(layer.Visible(), False) |
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class TestClassification(ClassificationTest): |
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file_contents = '''\ |
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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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<classification field="POPYREG" field_type="string"> |
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<clnull> |
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<cldata stroke="#000000" stroke_width="1" fill="None"/> |
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</clnull> |
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<clpoint value="1"> |
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<cldata stroke="#000000" stroke_width="2" fill="None"/> |
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</clpoint> |
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<clpoint value="1"> |
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<cldata stroke="#000000" stroke_width="10" fill="None"/> |
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</clpoint> |
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</classification> |
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</layer> |
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<layer title="My Layer 2" stroke_width="1" fill="None" |
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filename="../../Data/iceland/political.shp" |
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stroke="#000000"> |
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<classification field="AREA" field_type="double"> |
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<clnull> |
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<cldata stroke="#000000" stroke_width="2" fill="None"/> |
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</clnull> |
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<clrange min="0" max="1"> |
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<cldata stroke="#111111" stroke_width="1" fill="None"/> |
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</clrange> |
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<clpoint value=".5"> |
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<cldata stroke="#000000" stroke_width="1" fill="#111111"/> |
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</clpoint> |
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<clrange min="-1" max="0"> |
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<cldata stroke="#000000" stroke_width="1" fill="None"/> |
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</clrange> |
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<clpoint value="-.5"> |
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<cldata stroke="#000000" stroke_width="1" fill="None"/> |
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</clpoint> |
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</classification> |
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</layer> |
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</map> |
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</session> |
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''' |
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def test(self): |
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"""Load a Thuban session with a map and classified layers.""" |
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session = load_session(self.filename()) |
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self.session = session |
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map = self.session.Maps()[0] # only one map in the sample |
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expected = [("My Layer", 2, |
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[("default", (), "", |
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("#000000", 1, "None")), |
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("single", "1", "", |
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("#000000", 2, "None")), |
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("single", "1", "", |
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("#000000", 10, "None"))]), |
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("My Layer 2", 4, |
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[("default", (), "", |
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("#000000", 2, "None")), |
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("range", (0, 1), "", |
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("#111111", 1, "None")), |
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("single", .5, "", |
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("#000000", 1, "#111111")), |
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("range", (-1, 0), "", |
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("#000000", 1, "None")), |
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("single", -.5, "", |
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("#000000", 1, "None"))])] |
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self.TestLayers(map.Layers(), expected) |
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class TestLabels(ClassificationTest): |
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file_contents = '''\ |
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<?xml version="1.0" encoding="UTF-8"?> |
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<!DOCTYPE session SYSTEM "thuban-0.8.dtd"> |
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<session xmlns="http://thuban.intevation.org/dtds/thuban-0.8.dtd" |
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title="single map&layer"> |
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<fileshapesource filetype="shapefile" id="D1" |
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filename="../../Data/iceland/political.shp"/> |
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<map title="Test Map"> |
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<projection name="Unknown"> |
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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 shapestore="D1" visible="true" stroke="#000000" |
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title="My Layer" stroke_width="1" fill="None"> |
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<classification field="POPYREG" field_type="string"> |
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<clnull label="hallo"> |
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<cldata stroke="#000000" stroke_width="1" fill="None"/> |
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</clnull> |
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<clpoint label="welt" value="1"> |
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<cldata stroke="#000000" stroke_width="2" fill="None"/> |
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</clpoint> |
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</classification> |
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</layer> |
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</map> |
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</session> |
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''' |
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def test(self): |
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"""Load a session and test for reading the group labels.""" |
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eq = self.assertEquals |
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session = load_session(self.filename()) |
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self.session = session |
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map = self.session.Maps()[0] # only one map in the sample |
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expected = [("My Layer", 1, |
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[("default", (), "hallo", |
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("#000000", 1, "None")), |
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("single", "1", "welt", |
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("#000000", 2, "None"))])] |
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self.TestLayers(map.Layers(), expected) |
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class TestLayerProjection(LoadSessionTest): |
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file_contents = '''\ |
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<?xml version="1.0" encoding="UTF-8"?> |
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<!DOCTYPE session SYSTEM "thuban-0.8.dtd"> |
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<session xmlns="http://thuban.intevation.org/dtds/thuban-0.8.dtd" |
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title="single map&layer"> |
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<fileshapesource filetype="shapefile" id="D2" |
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filename="../../Data/iceland/roads-line.shp"/> |
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<fileshapesource filetype="shapefile" id="D4" |
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filename="../../Data/iceland/political.shp"/> |
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<map title="Test Map"> |
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<projection name="Unknown"> |
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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 shapestore="D4" visible="true" stroke="#000000" |
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title="My Layer" stroke_width="1" fill="None"> |
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<projection name="hello"> |
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<parameter value="zone=13"/> |
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<parameter value="proj=tmerc"/> |
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<parameter value="ellps=clrk66"/> |
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</projection> |
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<classification field="POPYREG" field_type="string"> |
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<clnull label="hallo"> |
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<cldata stroke="#000000" stroke_width="1" fill="None"/> |
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</clnull> |
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<clpoint label="welt" value="1"> |
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<cldata stroke="#000000" stroke_width="2" fill="None"/> |
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</clpoint> |
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</classification> |
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</layer> |
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<layer shapestore="D2" visible="true" stroke="#000000" |
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title="My Layer" stroke_width="1" fill="None"> |
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<projection name="Unknown"> |
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<parameter value="proj=lcc"/> |
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<parameter value="lat_1=10"/> |
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<parameter value="lat_2=20"/> |
391 |
bh |
1375 |
<parameter value="ellps=clrk66"/> |
392 |
|
|
</projection> |
393 |
|
|
</layer> |
394 |
|
|
</map> |
395 |
|
|
</session> |
396 |
|
|
''' |
397 |
|
|
|
398 |
|
|
def test(self): |
399 |
|
|
"""Test loading layers with projections""" |
400 |
|
|
eq = self.assertEquals |
401 |
|
|
neq = self.assertNotEqual |
402 |
|
|
|
403 |
|
|
session = load_session(self.filename()) |
404 |
|
|
self.session = session |
405 |
|
|
|
406 |
|
|
map = self.session.Maps()[0] # only one map in the sample |
407 |
|
|
|
408 |
|
|
layers = map.Layers() # two layers in the sample |
409 |
|
|
|
410 |
|
|
# test layer with a named projection |
411 |
|
|
proj = layers[0].GetProjection() |
412 |
|
|
neq(proj, None) |
413 |
|
|
eq(proj.GetName(), "hello") |
414 |
|
|
eq(proj.GetParameter("proj"), "tmerc") |
415 |
|
|
eq(proj.GetParameter("zone"), "13") |
416 |
|
|
eq(proj.GetParameter("ellps"), "clrk66") |
417 |
|
|
|
418 |
|
|
# test layer with an unnamed projection |
419 |
|
|
proj = layers[1].GetProjection() |
420 |
|
|
neq(proj, None) |
421 |
|
|
eq(proj.GetName(), "Unknown") |
422 |
|
|
eq(proj.GetParameter("proj"), "lcc") |
423 |
bh |
1687 |
eq(proj.GetParameter("lat_1"), "10") |
424 |
|
|
eq(proj.GetParameter("lat_2"), "20") |
425 |
bh |
1375 |
eq(proj.GetParameter("ellps"), "clrk66") |
426 |
|
|
|
427 |
|
|
|
428 |
|
|
class TestRasterLayer(LoadSessionTest): |
429 |
|
|
|
430 |
|
|
file_contents = '''\ |
431 |
|
|
<?xml version="1.0" encoding="UTF-8"?> |
432 |
|
|
<!DOCTYPE session SYSTEM "thuban-0.8.dtd"> |
433 |
|
|
<session xmlns="http://thuban.intevation.org/dtds/thuban-0.8.dtd" |
434 |
|
|
title="single map&layer"> |
435 |
|
|
<map title="Test Map"> |
436 |
|
|
<rasterlayer visible="false" filename="../../Data/iceland/island.tif" |
437 |
|
|
title="My RasterLayer"/> |
438 |
|
|
</map> |
439 |
|
|
</session> |
440 |
|
|
''' |
441 |
|
|
|
442 |
|
|
def test(self): |
443 |
|
|
eq = self.assertEquals |
444 |
|
|
neq = self.assertNotEqual |
445 |
|
|
|
446 |
|
|
session = load_session(self.filename()) |
447 |
|
|
self.session = session |
448 |
|
|
|
449 |
|
|
map = self.session.Maps()[0] # only one map in the sample |
450 |
|
|
|
451 |
|
|
layer = map.Layers()[0] # one layer in the sample |
452 |
|
|
|
453 |
|
|
eq(layer.Title(), "My RasterLayer") |
454 |
|
|
self.failIf(layer.Visible()) |
455 |
|
|
self.failUnless(filenames_equal(layer.GetImageFilename(), |
456 |
|
|
os.path.join(self.temp_dir(), |
457 |
|
|
os.pardir, os.pardir, |
458 |
|
|
"Data", "iceland", |
459 |
|
|
"island.tif"))) |
460 |
|
|
|
461 |
|
|
class TestJoinedTable(LoadSessionTest): |
462 |
|
|
|
463 |
|
|
file_contents = '''<?xml version="1.0" encoding="UTF-8"?> |
464 |
|
|
<!DOCTYPE session SYSTEM "thuban-0.8.dtd"> |
465 |
|
|
<session xmlns="http://thuban.intevation.org/dtds/thuban-0.8.dtd" title="A Joined Table session"> |
466 |
|
|
<fileshapesource filetype="shapefile" id="D137227612" |
467 |
|
|
filename="../../Data/iceland/roads-line.shp"/> |
468 |
|
|
<filetable filetype="DBF" filename="load_joinedtable.dbf" id="D136171140" |
469 |
|
|
title="Some Title"/> |
470 |
|
|
<jointable leftcolumn="RDLNTYPE" right="D136171140" |
471 |
|
|
title="Joined" rightcolumn="RDTYPE" id="D136169900" left="D137227612"/> |
472 |
|
|
<derivedshapesource table="D136169900" shapesource="D137227612" |
473 |
|
|
id="D136170932"/> |
474 |
|
|
<map title="Test Map"> |
475 |
|
|
<layer shapestore="D136170932" visible="true" stroke="#000000" |
476 |
|
|
title="My Layer" stroke_width="1" fill="None"/> |
477 |
|
|
</map> |
478 |
|
|
</session> |
479 |
|
|
''' |
480 |
|
|
|
481 |
|
|
def setUp(self): |
482 |
|
|
"""Extend inherited method to create the dbffile for the join""" |
483 |
|
|
LoadSessionTest.setUp(self) |
484 |
|
|
dbffile = self.temp_file_name("load_joinedtable.dbf") |
485 |
|
|
dbf = dbflib.create(dbffile) |
486 |
|
|
dbf.add_field("RDTYPE", dbflib.FTInteger, 10, 0) |
487 |
|
|
dbf.add_field("TEXT", dbflib.FTString, 10, 0) |
488 |
|
|
dbf.write_record(0, {'RDTYPE': 8, "TEXT": "foo"}) |
489 |
|
|
dbf.write_record(1, {'RDTYPE': 2, "TEXT": "bar"}) |
490 |
|
|
dbf.write_record(2, {'RDTYPE': 3, "TEXT": "baz"}) |
491 |
|
|
dbf.close() |
492 |
|
|
|
493 |
|
|
def test(self): |
494 |
|
|
"""Test loading a session containing a joined table""" |
495 |
|
|
session = load_session(self.filename()) |
496 |
|
|
self.session = session |
497 |
|
|
|
498 |
|
|
tables = session.Tables() |
499 |
|
|
self.assertEquals(len(tables), 3) |
500 |
|
|
# FIXME: The tests shouldn't assume a certain order of the tables |
501 |
|
|
self.assertEquals(tables[0].Title(), "Some Title") |
502 |
|
|
self.assertEquals(tables[1].Title(), "Joined") |
503 |
|
|
self.assertEquals(tables[1].JoinType(), "INNER") |
504 |
|
|
|
505 |
|
|
|
506 |
|
|
class TestLoadError(LoadSessionTest): |
507 |
|
|
|
508 |
|
|
file_contents = '''\ |
509 |
|
|
<?xml version="1.0" encoding="UTF-8"?> |
510 |
|
|
<!DOCTYPE session SYSTEM "thuban-0.8.dtd"> |
511 |
|
|
<session xmlns="http://thuban.intevation.org/dtds/thuban-0.8.dtd" |
512 |
|
|
title="single map&layer"> |
513 |
|
|
<fileshapesource id="D1" filename="../../Data/iceland/political.shp"/> |
514 |
|
|
<map title="Test Map"> |
515 |
|
|
<projection name="Unknown"> |
516 |
|
|
<parameter value="zone=26"/> |
517 |
|
|
<parameter value="proj=utm"/> |
518 |
|
|
<parameter value="ellps=clrk66"/> |
519 |
|
|
</projection> |
520 |
|
|
<layer shapestore="D1" visible="true" |
521 |
|
|
stroke="#000000" title="My Layer" stroke_width="1" |
522 |
|
|
fill="None"/> |
523 |
|
|
</map> |
524 |
|
|
</session> |
525 |
|
|
''' |
526 |
|
|
|
527 |
|
|
def test(self): |
528 |
|
|
"""Test loading a session missing a required attribute""" |
529 |
|
|
# Don't use assertRaises to make sure that if a session is |
530 |
|
|
# actually returned it gets destroyed properly. |
531 |
|
|
try: |
532 |
|
|
self.session = load_session(self.filename()) |
533 |
|
|
except LoadError, value: |
534 |
|
|
pass |
535 |
|
|
else: |
536 |
|
|
self.fail("Missing filetype attribute doesn't raise LoadError") |
537 |
|
|
|
538 |
frank |
1410 |
|
539 |
|
|
class TestUnicodeStrings(LoadSessionTest): |
540 |
|
|
|
541 |
|
|
file_contents = '''\ |
542 |
|
|
<?xml version="1.0" encoding="UTF-8"?> |
543 |
|
|
<!DOCTYPE session SYSTEM "thuban-0.8.dtd"> |
544 |
|
|
<session xmlns="http://thuban.intevation.org/dtds/thuban-0.8.dtd" |
545 |
bh |
1938 |
title="Frida: Free Vector Geodata Osnabr\xc3\xbcck"> |
546 |
frank |
1410 |
<fileshapesource filetype="shapefile" id="D1" |
547 |
|
|
filename="../../Data/iceland/political.shp"/> |
548 |
bh |
1938 |
<map title="Osnabr\xc3\xbcck"> |
549 |
|
|
<projection name="Osnabr\xc3\xbcck Projection"> |
550 |
frank |
1410 |
<parameter value="zone=26"/> |
551 |
|
|
<parameter value="proj=utm"/> |
552 |
|
|
<parameter value="ellps=clrk66"/> |
553 |
|
|
</projection> |
554 |
|
|
<layer shapestore="D1" visible="true" |
555 |
bh |
1938 |
stroke="#000000" title="Osnabr\xc3\xbcck Layer" |
556 |
|
|
stroke_width="1" fill="None"/> |
557 |
frank |
1410 |
</map> |
558 |
|
|
</session> |
559 |
|
|
''' |
560 |
|
|
|
561 |
|
|
def test(self): |
562 |
|
|
"""Load a session with unicode strings""" |
563 |
|
|
eq = self.assertEquals |
564 |
|
|
session = load_session(self.filename()) |
565 |
|
|
self.session = session |
566 |
|
|
|
567 |
|
|
# Check the title |
568 |
bh |
1938 |
eq(session.Title(), "Frida: Free Vector Geodata Osnabr\xfcck") |
569 |
frank |
1410 |
|
570 |
|
|
# Check the map's title |
571 |
|
|
maps = session.Maps() |
572 |
|
|
map = maps[0] |
573 |
bh |
1938 |
eq(map.Title(), "Osnabr\xfcck") |
574 |
frank |
1410 |
|
575 |
|
|
# Check the layer's title |
576 |
|
|
layers = map.Layers() |
577 |
|
|
layer = layers[0] |
578 |
bh |
1938 |
eq(layer.Title(), "Osnabr\xfcck Layer") |
579 |
frank |
1410 |
|
580 |
|
|
# Check the projection's title |
581 |
|
|
projection = map.GetProjection() |
582 |
bh |
1938 |
eq(projection.GetName(), "Osnabr\xfcck Projection") |
583 |
frank |
1410 |
|
584 |
|
|
self.session.Destroy() |
585 |
|
|
self.session = None |
586 |
|
|
|
587 |
|
|
|
588 |
bh |
1375 |
if __name__ == "__main__": |
589 |
|
|
unittest.main() |