/[thuban]/trunk/thuban/test/test_save.py
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revision 1417 by bh, Tue Jul 15 08:43:53 2003 UTC revision 1640 by bh, Fri Aug 22 18:24:44 2003 UTC
# Line 17  import os Line 17  import os
17  import unittest  import unittest
18  from StringIO import StringIO  from StringIO import StringIO
19    
 import xml.sax  
 import xml.sax.handler  
 from xml.sax import make_parser, ErrorHandler, SAXNotRecognizedException  
   
20  import xmlsupport  import xmlsupport
21    import postgissupport
22    
23  import support  import support
24  support.initthuban()  support.initthuban()
# Line 43  from Thuban.Model.classification import Line 40  from Thuban.Model.classification import
40    
41  from Thuban.Model.range import Range  from Thuban.Model.range import Range
42    
43    from Thuban.Model.postgisdb import PostGISConnection, PostGISShapeStore
44    
45    
46  class XMLWriterTest(unittest.TestCase):  class XMLWriterTest(unittest.TestCase):
47    
# Line 69  class SaveSessionTest(unittest.TestCase, Line 68  class SaveSessionTest(unittest.TestCase,
68      dtd = "http://thuban.intevation.org/dtds/thuban-0.9-dev.dtd"      dtd = "http://thuban.intevation.org/dtds/thuban-0.9-dev.dtd"
69      thubanids = [((dtd, n), (None, "id")) for n in      thubanids = [((dtd, n), (None, "id")) for n in
70                   ["fileshapesource", "filetable", "jointable",                   ["fileshapesource", "filetable", "jointable",
71                    "derivedshapesource"]]                    "derivedshapesource", "dbshapesource", "dbconnection"]]
72      thubanidrefs = [((dtd, n), (None, m)) for n, m in      thubanidrefs = [((dtd, n), (None, m)) for n, m in
73                      [("layer", "shapestore"),                      [("layer", "shapestore"),
74                       ("jointable", "left"),                       ("jointable", "left"),
75                       ("jointable", "right"),                       ("jointable", "right"),
76                       ("derivedshapesource", "table"),                       ("derivedshapesource", "table"),
77                       ("derivedshapesource", "shapesource")]]                       ("derivedshapesource", "shapesource"),
78                         ("dbshapesource", "dbconn")]]
79      del n, m, dtd      del n, m, dtd
80    
81      def compare_xml(self, xml1, xml2):      def compare_xml(self, xml1, xml2):
# Line 226  class SaveSessionTest(unittest.TestCase, Line 226  class SaveSessionTest(unittest.TestCase,
226          layer = RasterLayer("My RasterLayer", imgfile)          layer = RasterLayer("My RasterLayer", imgfile)
227          map.AddLayer(layer)          map.AddLayer(layer)
228    
229          filename = self.temp_file_name("save_singlemap.thuban")          filename = self.temp_file_name("%s.thuban" % self.id())
230          save_session(session, filename)          save_session(session, filename)
231          session.Destroy()          session.Destroy()
232    
# Line 242  class SaveSessionTest(unittest.TestCase, Line 242  class SaveSessionTest(unittest.TestCase,
242                               visible="true">                               visible="true">
243                  </rasterlayer>                  </rasterlayer>
244              </map>              </map>
245          </session>''' % os.path.join(os.path.dirname(__file__),          </session>''' % os.path.join(os.pardir, os.pardir, "Data", "iceland",
                                      os.pardir, "Data", "iceland",  
246                                       "island.tif")                                       "island.tif")
247          #print written_contents          #print written_contents
248          #print "********************************************"          #print "********************************************"
# Line 269  class SaveSessionTest(unittest.TestCase, Line 268  class SaveSessionTest(unittest.TestCase,
268    
269          clazz = layer.GetClassification()          clazz = layer.GetClassification()
270    
271          clazz.SetFieldInfo("AREA", None)          layer.SetClassificationColumn("AREA")
272    
273          clazz.AppendGroup(ClassGroupSingleton(42, ClassGroupProperties(),          clazz.AppendGroup(ClassGroupSingleton(42, ClassGroupProperties(),
274                                                "single"))                                                "single"))
# Line 287  class SaveSessionTest(unittest.TestCase, Line 286  class SaveSessionTest(unittest.TestCase,
286    
287    
288          clazz = layer2.GetClassification()          clazz = layer2.GetClassification()
289          clazz.SetFieldInfo("POPYCOUN", None)          layer2.SetClassificationColumn("POPYCOUN")
290    
291          # Classification with Latin 1 text          # Classification with Latin 1 text
292          clazz.AppendGroup(ClassGroupSingleton('\xe4\xf6\xfc', # ae, oe, ue          clazz.AppendGroup(ClassGroupSingleton('\xe4\xf6\xfc', # ae, oe, ue
# Line 381  class SaveSessionTest(unittest.TestCase, Line 380  class SaveSessionTest(unittest.TestCase,
380              <filetable id="D1" filename="%s" filetype="DBF" title="political"/>              <filetable id="D1" filename="%s" filetype="DBF" title="political"/>
381          </session>'''          </session>'''
382    
383          expected_contents = expected_template % dbffile          expected_contents = (expected_template
384                                 % os.path.join(os.pardir, os.pardir, "Data",
385                                                "iceland", "political.dbf"))
386          self.compare_xml(written_contents, expected_contents)          self.compare_xml(written_contents, expected_contents)
387            self.validate_data(written_contents)
388    
389      def test_joined_table(self):      def test_joined_table(self):
390          """Test saving a session with joined table"""          """Test saving a session with joined table"""
# Line 460  class SaveSessionTest(unittest.TestCase, Line 462  class SaveSessionTest(unittest.TestCase,
462                  "shpfile": relative_filename(self.temp_dir(), shpfile)                  "shpfile": relative_filename(self.temp_dir(), shpfile)
463                  }                  }
464              self.compare_xml(written_contents, expected_contents)              self.compare_xml(written_contents, expected_contents)
465                self.validate_data(written_contents)
466          finally:          finally:
467              session.Destroy()              session.Destroy()
468              session = None              session = None
469    
470    
471        def test_save_postgis(self):
472            """Test saving a session with a postgis connection"""
473    
474            class NonConnection(PostGISConnection):
475                """connection class that doesn't actually connect """
476                def connect(self):
477                    pass
478    
479            class NonConnectionStore(PostGISShapeStore):
480                """Shapestore that doesn't try to access the server"""
481                def _fetch_table_information(self):
482                    pass
483    
484            session = Session("A PostGIS Session")
485            try:
486                dbconn = NonConnection(dbname="plugh", host="xyzzy", port="42",
487                                       user="grue")
488                session.AddDBConnection(dbconn)
489                map = Map("Test Map")
490                session.AddMap(map)
491                store = NonConnectionStore(dbconn, "roads")
492                session.AddShapeStore(store)
493                layer = Layer("Roads to Nowhere", store)
494                map.AddLayer(layer)
495    
496                # Save the session
497                filename = self.temp_file_name(self.id() + ".thuban")
498                save_session(session, filename)
499    
500                # Read it back and compare
501                file = open(filename)
502                written = file.read()
503                file.close()
504                expected = '''<?xml version="1.0" encoding="UTF-8"?>
505                <!DOCTYPE session SYSTEM "thuban-0.9.dtd">
506                <session title="A PostGIS Session"
507                 xmlns="http://thuban.intevation.org/dtds/thuban-0.9-dev.dtd">
508                    <dbconnection id="DB"
509                                  dbtype="postgis" dbname="plugh"
510                                  host="xyzzy" port="42"
511                                  user="grue"/>
512                    <dbshapesource id="roads" dbconn="DB" tablename="roads"/>
513                    <map title="Test Map">
514                        <layer title="Roads to Nowhere"
515                               shapestore="roads" visible="true"
516                               stroke="#000000" stroke_width="1" fill="None"/>
517                    </map>
518                </session>'''
519                self.compare_xml(written, expected)
520                self.validate_data(written)
521            finally:
522                session.Destroy()
523    
524    
525  class MockDataStore:  class MockDataStore:
526    
527      """A very simple data store that only has dependencies"""      """A very simple data store that only has dependencies"""
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