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# Copyright (c) 2002, 2003, 2004, 2005 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 written by Thuban 0.9. |
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See test_load.py for how the various test_load*.py files relate to each other. |
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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 postgissupport |
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from xmlsupport import sax_eventlist |
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import dbflib |
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from Thuban import internal_from_unicode |
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from Thuban.Model.save import save_session |
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from Thuban.Model.load import load_session, parse_color, LoadError, \ |
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LoadCancelled |
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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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from Thuban.Model.postgisdb import ConnectionError |
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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-0.9.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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filenames = [((dtd, n), (None, m)) for n, m in |
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[("fileshapesource", "filename"), |
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("rasterlayer", "filename"), |
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("filetable", "filename")]] |
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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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# Note: The use of & and non-ascii characters is deliberate. We |
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# want to test whether the loading code handles that correctly. |
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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-0.9.dtd"> |
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<session xmlns="http://thuban.intevation.org/dtds/thuban-0.9.dtd" |
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title="Stra\xc3\x9fen & Landmarken"> |
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<fileshapesource filetype="shapefile" id="D1" |
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filename="../../Data/iceland/political.shp"/> |
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<map title="\xc3\x9cbersicht"> |
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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="K\xc3\xbcste" 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(), internal_from_unicode(u"Stra\xdfen & Landmarken")) |
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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(), internal_from_unicode(u"\xdcbersicht")) |
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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(), internal_from_unicode(u"K\xfcste")) |
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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-0.9.dtd"> |
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<session xmlns="http://thuban.intevation.org/dtds/thuban-0.9.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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<clpoint value="\xc3\xa4\xc3\xb6\xc3\xbc" |
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label="\xc3\x9cml\xc3\xa4uts"> |
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<cldata fill="None" stroke="#000000" stroke_width="1"/> |
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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", 3, |
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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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("single", internal_from_unicode(u"\xe4\xf6\xfc"), |
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internal_from_unicode(u"\xdcml\xe4uts"), |
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("#000000", 1, "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-0.9.dtd"> |
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<session xmlns="http://thuban.intevation.org/dtds/thuban-0.9.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")), |
| 368 |
|
|
("single", "1", "welt", |
| 369 |
|
|
("#000000", 2, "None"))])] |
| 370 |
|
|
|
| 371 |
|
|
self.TestLayers(map.Layers(), expected) |
| 372 |
|
|
|
| 373 |
|
|
|
| 374 |
|
|
class TestLayerProjection(LoadSessionTest): |
| 375 |
|
|
|
| 376 |
|
|
file_contents = '''\ |
| 377 |
|
|
<?xml version="1.0" encoding="UTF-8"?> |
| 378 |
|
|
<!DOCTYPE session SYSTEM "thuban-0.9.dtd"> |
| 379 |
|
|
<session xmlns="http://thuban.intevation.org/dtds/thuban-0.9.dtd" |
| 380 |
|
|
title="single map&layer"> |
| 381 |
|
|
<fileshapesource filetype="shapefile" id="D2" |
| 382 |
|
|
filename="../../Data/iceland/roads-line.shp"/> |
| 383 |
|
|
<fileshapesource filetype="shapefile" id="D4" |
| 384 |
|
|
filename="../../Data/iceland/political.shp"/> |
| 385 |
|
|
<map title="Test Map"> |
| 386 |
|
|
<projection name="Unknown"> |
| 387 |
|
|
<parameter value="zone=26"/> |
| 388 |
|
|
<parameter value="proj=utm"/> |
| 389 |
|
|
<parameter value="ellps=clrk66"/> |
| 390 |
|
|
</projection> |
| 391 |
|
|
<layer shapestore="D4" visible="true" stroke="#000000" |
| 392 |
|
|
title="My Layer" stroke_width="1" fill="None"> |
| 393 |
|
|
<projection name="hello"> |
| 394 |
|
|
<parameter value="zone=13"/> |
| 395 |
|
|
<parameter value="proj=tmerc"/> |
| 396 |
|
|
<parameter value="ellps=clrk66"/> |
| 397 |
|
|
</projection> |
| 398 |
|
|
<classification field="POPYREG" field_type="string"> |
| 399 |
|
|
<clnull label="hallo"> |
| 400 |
|
|
<cldata stroke="#000000" stroke_width="1" fill="None"/> |
| 401 |
|
|
</clnull> |
| 402 |
|
|
<clpoint label="welt" value="1"> |
| 403 |
|
|
<cldata stroke="#000000" stroke_width="2" fill="None"/> |
| 404 |
|
|
</clpoint> |
| 405 |
|
|
</classification> |
| 406 |
|
|
</layer> |
| 407 |
|
|
<layer shapestore="D2" visible="true" stroke="#000000" |
| 408 |
|
|
title="My Layer" stroke_width="1" fill="None"> |
| 409 |
|
|
<projection name="Unknown"> |
| 410 |
|
|
<parameter value="proj=lcc"/> |
| 411 |
|
|
<parameter value="lat_1=10"/> |
| 412 |
|
|
<parameter value="lat_2=20"/> |
| 413 |
|
|
<parameter value="ellps=clrk66"/> |
| 414 |
|
|
</projection> |
| 415 |
|
|
</layer> |
| 416 |
|
|
</map> |
| 417 |
|
|
</session> |
| 418 |
|
|
''' |
| 419 |
|
|
|
| 420 |
|
|
def test(self): |
| 421 |
|
|
"""Test loading layers with projections""" |
| 422 |
|
|
eq = self.assertEquals |
| 423 |
|
|
neq = self.assertNotEqual |
| 424 |
|
|
|
| 425 |
|
|
session = load_session(self.filename()) |
| 426 |
|
|
self.session = session |
| 427 |
|
|
|
| 428 |
|
|
map = self.session.Maps()[0] # only one map in the sample |
| 429 |
|
|
|
| 430 |
|
|
layers = map.Layers() # two layers in the sample |
| 431 |
|
|
|
| 432 |
|
|
# test layer with a named projection |
| 433 |
|
|
proj = layers[0].GetProjection() |
| 434 |
|
|
neq(proj, None) |
| 435 |
|
|
eq(proj.GetName(), "hello") |
| 436 |
|
|
eq(proj.GetParameter("proj"), "tmerc") |
| 437 |
|
|
eq(proj.GetParameter("zone"), "13") |
| 438 |
|
|
eq(proj.GetParameter("ellps"), "clrk66") |
| 439 |
|
|
|
| 440 |
|
|
# test layer with an unnamed projection |
| 441 |
|
|
proj = layers[1].GetProjection() |
| 442 |
|
|
neq(proj, None) |
| 443 |
|
|
eq(proj.GetName(), "Unknown") |
| 444 |
|
|
eq(proj.GetParameter("proj"), "lcc") |
| 445 |
|
|
eq(proj.GetParameter("lat_1"), "10") |
| 446 |
|
|
eq(proj.GetParameter("lat_2"), "20") |
| 447 |
|
|
eq(proj.GetParameter("ellps"), "clrk66") |
| 448 |
|
|
|
| 449 |
|
|
|
| 450 |
|
|
|
| 451 |
|
|
class TestRasterLayer(LoadSessionTest): |
| 452 |
|
|
|
| 453 |
|
|
file_contents = '''\ |
| 454 |
|
|
<?xml version="1.0" encoding="UTF-8"?> |
| 455 |
|
|
<!DOCTYPE session SYSTEM "thuban-0.9.dtd"> |
| 456 |
|
|
<session xmlns="http://thuban.intevation.org/dtds/thuban-0.9.dtd" |
| 457 |
|
|
title="single map&layer"> |
| 458 |
|
|
<map title="Test Map"> |
| 459 |
|
|
<rasterlayer visible="false" filename="../../Data/iceland/island.tif" |
| 460 |
|
|
title="My RasterLayer"/> |
| 461 |
|
|
</map> |
| 462 |
|
|
</session> |
| 463 |
|
|
''' |
| 464 |
|
|
|
| 465 |
|
|
def test(self): |
| 466 |
|
|
eq = self.assertEquals |
| 467 |
|
|
neq = self.assertNotEqual |
| 468 |
|
|
|
| 469 |
|
|
session = load_session(self.filename()) |
| 470 |
|
|
self.session = session |
| 471 |
|
|
|
| 472 |
|
|
map = self.session.Maps()[0] # only one map in the sample |
| 473 |
|
|
|
| 474 |
|
|
layer = map.Layers()[0] # one layer in the sample |
| 475 |
|
|
|
| 476 |
|
|
eq(layer.Title(), "My RasterLayer") |
| 477 |
|
|
self.failIf(layer.Visible()) |
| 478 |
|
|
self.failUnless(filenames_equal(layer.GetImageFilename(), |
| 479 |
|
|
os.path.join(self.temp_dir(), |
| 480 |
|
|
os.pardir, os.pardir, |
| 481 |
|
|
"Data", "iceland", |
| 482 |
|
|
"island.tif"))) |
| 483 |
|
|
|
| 484 |
|
|
|
| 485 |
|
|
class TestJoinedTable(LoadSessionTest): |
| 486 |
|
|
|
| 487 |
|
|
file_contents = '''<?xml version="1.0" encoding="UTF-8"?> |
| 488 |
|
|
<!DOCTYPE session SYSTEM "thuban-0.9.dtd"> |
| 489 |
|
|
<session xmlns="http://thuban.intevation.org/dtds/thuban-0.9.dtd" title="A Joined Table session"> |
| 490 |
|
|
<fileshapesource filetype="shapefile" id="D137227612" |
| 491 |
|
|
filename="../../Data/iceland/roads-line.shp"/> |
| 492 |
|
|
<filetable filetype="DBF" filename="load_joinedtable.dbf" id="D136171140" |
| 493 |
|
|
title="Some Title"/> |
| 494 |
|
|
<jointable id="D136169900" title="Joined" |
| 495 |
|
|
right="D136171140" left="D137227612" |
| 496 |
|
|
leftcolumn="RDLNTYPE" rightcolumn="RDTYPE" |
| 497 |
|
|
jointype="LEFT OUTER"/> |
| 498 |
|
|
<derivedshapesource table="D136169900" shapesource="D137227612" |
| 499 |
|
|
id="D136170932"/> |
| 500 |
|
|
<map title="Test Map"> |
| 501 |
|
|
<layer shapestore="D136170932" visible="true" stroke="#000000" |
| 502 |
|
|
title="My Layer" stroke_width="1" fill="None"/> |
| 503 |
|
|
</map> |
| 504 |
|
|
</session> |
| 505 |
|
|
''' |
| 506 |
|
|
|
| 507 |
|
|
def setUp(self): |
| 508 |
|
|
"""Extend inherited method to create the dbffile for the join""" |
| 509 |
|
|
LoadSessionTest.setUp(self) |
| 510 |
|
|
dbffile = self.temp_file_name("load_joinedtable.dbf") |
| 511 |
|
|
dbf = dbflib.create(dbffile) |
| 512 |
|
|
dbf.add_field("RDTYPE", dbflib.FTInteger, 10, 0) |
| 513 |
|
|
dbf.add_field("TEXT", dbflib.FTString, 10, 0) |
| 514 |
|
|
dbf.write_record(0, {'RDTYPE': 8, "TEXT": "foo"}) |
| 515 |
|
|
dbf.write_record(1, {'RDTYPE': 2, "TEXT": "bar"}) |
| 516 |
|
|
dbf.write_record(2, {'RDTYPE': 3, "TEXT": "baz"}) |
| 517 |
|
|
dbf.close() |
| 518 |
|
|
|
| 519 |
|
|
def test(self): |
| 520 |
|
|
"""Test loading a session containing a joined table""" |
| 521 |
|
|
session = load_session(self.filename()) |
| 522 |
|
|
self.session = session |
| 523 |
|
|
|
| 524 |
|
|
tables = session.Tables() |
| 525 |
|
|
self.assertEquals(len(tables), 3) |
| 526 |
|
|
# FIXME: The tests shouldn't assume a certain order of the tables |
| 527 |
|
|
self.assertEquals(tables[0].Title(), "Some Title") |
| 528 |
|
|
self.assertEquals(tables[1].Title(), "Joined") |
| 529 |
|
|
self.assertEquals(tables[1].JoinType(), "LEFT OUTER") |
| 530 |
|
|
|
| 531 |
|
|
|
| 532 |
|
|
|
| 533 |
|
|
class TestPostGISLayer(LoadSessionTest): |
| 534 |
|
|
|
| 535 |
|
|
file_contents = '''<?xml version="1.0" encoding="UTF-8"?> |
| 536 |
|
|
<!DOCTYPE session SYSTEM "thuban-0.9.dtd"> |
| 537 |
|
|
<session xmlns="http://thuban.intevation.org/dtds/thuban-0.9.dtd" |
| 538 |
|
|
title="unnamed session"> |
| 539 |
|
|
<dbconnection port="%(port)s" host="%(host)s" user="%(user)s" |
| 540 |
|
|
dbtype="postgis" id="D142684948" dbname="%(dbname)s"/> |
| 541 |
|
|
<dbshapesource tablename="landmarks" id="D143149420" dbconn="D142684948"/> |
| 542 |
|
|
<map title="unnamed map"> |
| 543 |
|
|
<layer shapestore="D143149420" visible="true" stroke="#000000" |
| 544 |
|
|
title="landmarks" stroke_width="1" fill="None"/> |
| 545 |
|
|
</map> |
| 546 |
|
|
</session> |
| 547 |
|
|
''' |
| 548 |
|
|
|
| 549 |
|
|
def setUp(self): |
| 550 |
|
|
"""Extend the inherited method to start the postgis server |
| 551 |
|
|
|
| 552 |
|
|
Furthermore, patch the file contents with the real postgis db |
| 553 |
|
|
information |
| 554 |
|
|
""" |
| 555 |
|
|
postgissupport.skip_if_no_postgis() |
| 556 |
|
|
self.server = postgissupport.get_test_server() |
| 557 |
|
|
self.postgisdb = self.server.get_default_static_data_db() |
| 558 |
|
|
|
| 559 |
|
|
self.file_contents = self.__class__.file_contents % { |
| 560 |
|
|
"dbname": self.postgisdb.dbname, |
| 561 |
|
|
"user": self.server.user_name, |
| 562 |
|
|
"port": self.server.port, |
| 563 |
|
|
"host": self.server.host} |
| 564 |
|
|
LoadSessionTest.setUp(self) |
| 565 |
|
|
|
| 566 |
|
|
def test(self): |
| 567 |
|
|
"""Test loading a session containing a postgis shapestore""" |
| 568 |
|
|
session = load_session(self.filename()) |
| 569 |
|
|
self.session = session |
| 570 |
|
|
connections = session.DBConnections() |
| 571 |
|
|
self.assertEquals(len(connections), 1) |
| 572 |
|
|
conn = connections[0] |
| 573 |
|
|
for attr, value in [("host", self.server.host), |
| 574 |
|
|
("port", str(self.server.port)), |
| 575 |
|
|
("user", self.server.user_name), |
| 576 |
|
|
("dbname", self.postgisdb.dbname)]: |
| 577 |
|
|
self.assertEquals(getattr(conn, attr), value) |
| 578 |
|
|
layer = session.Maps()[0].Layers()[0] |
| 579 |
|
|
self.failUnless(layer.ShapeStore().DBConnection() is conn) |
| 580 |
|
|
|
| 581 |
|
|
|
| 582 |
|
|
class TestPostGISLayerPassword(LoadSessionTest): |
| 583 |
|
|
|
| 584 |
|
|
file_contents = '''<?xml version="1.0" encoding="UTF-8"?> |
| 585 |
|
|
<!DOCTYPE session SYSTEM "thuban-0.9.dtd"> |
| 586 |
|
|
<session xmlns="http://thuban.intevation.org/dtds/thuban-0.9.dtd" |
| 587 |
|
|
title="unnamed session"> |
| 588 |
|
|
<dbconnection port="%(port)s" host="%(host)s" user="%(user)s" |
| 589 |
|
|
dbtype="postgis" id="D142684948" dbname="%(dbname)s"/> |
| 590 |
|
|
<dbshapesource tablename="landmarks" id="D143149420" dbconn="D142684948"/> |
| 591 |
|
|
<map title="unnamed map"> |
| 592 |
|
|
<layer shapestore="D143149420" visible="true" stroke="#000000" |
| 593 |
|
|
title="landmarks" stroke_width="1" fill="None"/> |
| 594 |
|
|
</map> |
| 595 |
|
|
</session> |
| 596 |
|
|
''' |
| 597 |
|
|
|
| 598 |
|
|
def setUp(self): |
| 599 |
|
|
"""Extend the inherited method to start the postgis server |
| 600 |
|
|
|
| 601 |
|
|
Furthermore, patch the file contents with the real postgis db |
| 602 |
|
|
information |
| 603 |
|
|
""" |
| 604 |
|
|
postgissupport.skip_if_no_postgis() |
| 605 |
|
|
self.server = postgissupport.get_test_server() |
| 606 |
|
|
self.postgisdb = self.server.get_default_static_data_db() |
| 607 |
|
|
|
| 608 |
|
|
self.file_contents = self.__class__.file_contents % { |
| 609 |
|
|
"dbname": self.postgisdb.dbname, |
| 610 |
|
|
"user": self.server.user_name, |
| 611 |
|
|
"port": self.server.port, |
| 612 |
|
|
"host": self.server.host} |
| 613 |
|
|
LoadSessionTest.setUp(self) |
| 614 |
|
|
|
| 615 |
|
|
self.db_connection_callback_called = False |
| 616 |
|
|
self.server.require_authentication(True) |
| 617 |
|
|
|
| 618 |
|
|
def tearDown(self): |
| 619 |
|
|
"""Extend the inherited method to switch off postgresql authentication |
| 620 |
|
|
""" |
| 621 |
|
|
self.server.require_authentication(False) |
| 622 |
|
|
LoadSessionTest.tearDown(self) |
| 623 |
|
|
|
| 624 |
|
|
def db_connection_callback(self, params, message): |
| 625 |
|
|
"""Implementation of Thuban.Model.hooks.query_db_connection_parameters |
| 626 |
|
|
""" |
| 627 |
|
|
self.assertEquals(params, |
| 628 |
|
|
{"dbname": self.postgisdb.dbname, |
| 629 |
|
|
"user": self.server.user_name, |
| 630 |
|
|
"port": str(self.server.port), |
| 631 |
|
|
"host": self.server.host}) |
| 632 |
|
|
self.db_connection_callback_called = True |
| 633 |
|
|
params = params.copy() |
| 634 |
|
|
params["password"] = self.server.user_password |
| 635 |
|
|
return params |
| 636 |
|
|
|
| 637 |
|
|
def test_with_callback(self): |
| 638 |
|
|
"""Test loading a session with postgis, authentication and a callback |
| 639 |
|
|
""" |
| 640 |
|
|
session = load_session(self.filename(), |
| 641 |
|
|
db_connection_callback = self.db_connection_callback) |
| 642 |
|
|
self.session = session |
| 643 |
|
|
connections = session.DBConnections() |
| 644 |
|
|
self.assertEquals(len(connections), 1) |
| 645 |
|
|
conn = connections[0] |
| 646 |
|
|
for attr, value in [("host", self.server.host), |
| 647 |
|
|
("port", str(self.server.port)), |
| 648 |
|
|
("user", self.server.user_name), |
| 649 |
|
|
("dbname", self.postgisdb.dbname)]: |
| 650 |
|
|
self.assertEquals(getattr(conn, attr), value) |
| 651 |
|
|
layer = session.Maps()[0].Layers()[0] |
| 652 |
|
|
self.failUnless(layer.ShapeStore().DBConnection() is conn) |
| 653 |
|
|
self.failUnless(self.db_connection_callback_called) |
| 654 |
|
|
|
| 655 |
|
|
def test_without_callback(self): |
| 656 |
|
|
"""Test loading a session with postgis, authentication and no callback |
| 657 |
|
|
""" |
| 658 |
|
|
# A password is required and there's no callback, so we should |
| 659 |
|
|
# get a ConnectionError |
| 660 |
|
|
self.assertRaises(ConnectionError, load_session, self.filename()) |
| 661 |
|
|
|
| 662 |
|
|
def test_cancel(self): |
| 663 |
|
|
"""Test loading a session with postgis and cancelling authentication |
| 664 |
|
|
""" |
| 665 |
|
|
def cancel(*args): |
| 666 |
|
|
self.db_connection_callback_called = True |
| 667 |
|
|
return None |
| 668 |
|
|
|
| 669 |
|
|
# If the user cancels, i.e. if the callbakc returns None, a |
| 670 |
|
|
# LoadCancelled exception is raised. |
| 671 |
|
|
self.assertRaises(LoadCancelled, |
| 672 |
|
|
load_session, self.filename(), cancel) |
| 673 |
|
|
self.failUnless(self.db_connection_callback_called) |
| 674 |
|
|
|
| 675 |
|
|
|
| 676 |
|
|
class TestLoadError(LoadSessionTest): |
| 677 |
|
|
|
| 678 |
|
|
file_contents = '''\ |
| 679 |
|
|
<?xml version="1.0" encoding="UTF-8"?> |
| 680 |
|
|
<!DOCTYPE session SYSTEM "thuban-0.9.dtd"> |
| 681 |
|
|
<session xmlns="http://thuban.intevation.org/dtds/thuban-0.9.dtd" |
| 682 |
|
|
title="single map&layer"> |
| 683 |
|
|
<fileshapesource id="D1" filename="../../Data/iceland/political.shp"/> |
| 684 |
|
|
<map title="Test Map"> |
| 685 |
|
|
<projection name="Unknown"> |
| 686 |
|
|
<parameter value="zone=26"/> |
| 687 |
|
|
<parameter value="proj=utm"/> |
| 688 |
|
|
<parameter value="ellps=clrk66"/> |
| 689 |
|
|
</projection> |
| 690 |
|
|
<layer shapestore="D1" visible="true" |
| 691 |
|
|
stroke="#000000" title="My Layer" stroke_width="1" |
| 692 |
|
|
fill="None"/> |
| 693 |
|
|
</map> |
| 694 |
|
|
</session> |
| 695 |
|
|
''' |
| 696 |
|
|
|
| 697 |
|
|
def test(self): |
| 698 |
|
|
"""Test loading a session missing a required attribute""" |
| 699 |
|
|
# Don't use assertRaises to make sure that if a session is |
| 700 |
|
|
# actually returned it gets destroyed properly. |
| 701 |
|
|
try: |
| 702 |
|
|
self.session = load_session(self.filename()) |
| 703 |
|
|
except LoadError, value: |
| 704 |
|
|
# Check the actual messge in value to make sure the |
| 705 |
|
|
# LoadError really was about the missing attribute |
| 706 |
|
|
self.assertEquals(str(value), |
| 707 |
|
|
"Element " |
| 708 |
|
|
"(u'http://thuban.intevation.org/dtds/thuban-0.9.dtd'," |
| 709 |
|
|
" u'fileshapesource') requires an attribute 'filetype'") |
| 710 |
|
|
else: |
| 711 |
|
|
self.fail("Missing filetype attribute doesn't raise LoadError") |
| 712 |
|
|
|
| 713 |
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if __name__ == "__main__": |
| 714 |
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support.run_tests() |
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