/[thuban]/trunk/thuban/test/test_save.py
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revision 1599 by bh, Mon Aug 18 12:45:28 2003 UTC revision 1677 by bh, Thu Aug 28 13:34:28 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 66  class XMLWriterTest(unittest.TestCase): Line 65  class XMLWriterTest(unittest.TestCase):
65  class SaveSessionTest(unittest.TestCase, support.FileTestMixin,  class SaveSessionTest(unittest.TestCase, support.FileTestMixin,
66                        xmlsupport.ValidationTest):                        xmlsupport.ValidationTest):
67    
68      dtd = "http://thuban.intevation.org/dtds/thuban-0.9-dev.dtd"      dtd = "http://thuban.intevation.org/dtds/thuban-0.9.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 tearDown(self):
82            """Call self.session.Destroy
83    
84            Test cases that create session should bind it to self.session so
85            that it gets destroyed properly
86            """
87            if hasattr(self, "session"):
88                self.session.Destroy()
89                self.session = None
90    
91      def compare_xml(self, xml1, xml2):      def compare_xml(self, xml1, xml2):
92          list1 = xmlsupport.sax_eventlist(xml1, ids = self.thubanids,          list1 = xmlsupport.sax_eventlist(xml1, ids = self.thubanids,
93                                           idrefs = self.thubanidrefs)                                           idrefs = self.thubanidrefs)
# Line 103  class SaveSessionTest(unittest.TestCase, Line 113  class SaveSessionTest(unittest.TestCase,
113                           '<?xml version="1.0" encoding="UTF-8"?>\n'                           '<?xml version="1.0" encoding="UTF-8"?>\n'
114                           '<!DOCTYPE session SYSTEM "thuban-0.9.dtd">\n'                           '<!DOCTYPE session SYSTEM "thuban-0.9.dtd">\n'
115                           '<session title="empty session" '                           '<session title="empty session" '
116           'xmlns="http://thuban.intevation.org/dtds/thuban-0.9-dev.dtd">'           'xmlns="http://thuban.intevation.org/dtds/thuban-0.9.dtd">'
117                           '\n</session>\n')                           '\n</session>\n')
118    
119          self.validate_data(written_contents)          self.validate_data(written_contents)
# Line 130  class SaveSessionTest(unittest.TestCase, Line 140  class SaveSessionTest(unittest.TestCase,
140          expected_template = '''<?xml version="1.0" encoding="UTF-8"?>          expected_template = '''<?xml version="1.0" encoding="UTF-8"?>
141          <!DOCTYPE session SYSTEM "thuban-0.9.dtd">          <!DOCTYPE session SYSTEM "thuban-0.9.dtd">
142          <session title="single map&amp;layer"          <session title="single map&amp;layer"
143             xmlns="http://thuban.intevation.org/dtds/thuban-0.9-dev.dtd">             xmlns="http://thuban.intevation.org/dtds/thuban-0.9.dtd">
144              <fileshapesource id="D1" filename="%s" filetype="shapefile"/>              <fileshapesource id="D1" filename="%s" filetype="shapefile"/>
145              <map title="Test Map">              <map title="Test Map">
146                  <projection name="Unknown">                  <projection name="Unknown">
# Line 190  class SaveSessionTest(unittest.TestCase, Line 200  class SaveSessionTest(unittest.TestCase,
200          expected_contents = '''<?xml version="1.0" encoding="UTF-8"?>          expected_contents = '''<?xml version="1.0" encoding="UTF-8"?>
201          <!DOCTYPE session SYSTEM "thuban-0.9.dtd">          <!DOCTYPE session SYSTEM "thuban-0.9.dtd">
202          <session title="single map&amp;layer"          <session title="single map&amp;layer"
203             xmlns="http://thuban.intevation.org/dtds/thuban-0.9-dev.dtd">             xmlns="http://thuban.intevation.org/dtds/thuban-0.9.dtd">
204              <fileshapesource id="D1" filename="%s" filetype="shapefile"/>              <fileshapesource id="D1" filename="%s" filetype="shapefile"/>
205              <map title="Test Map">              <map title="Test Map">
206                  <projection name="Unknown">                  <projection name="Unknown">
# Line 236  class SaveSessionTest(unittest.TestCase, Line 246  class SaveSessionTest(unittest.TestCase,
246          expected_contents = '''<?xml version="1.0" encoding="UTF-8"?>          expected_contents = '''<?xml version="1.0" encoding="UTF-8"?>
247          <!DOCTYPE session SYSTEM "thuban-0.9.dtd">          <!DOCTYPE session SYSTEM "thuban-0.9.dtd">
248          <session title="single map&amp;layer"          <session title="single map&amp;layer"
249             xmlns="http://thuban.intevation.org/dtds/thuban-0.9-dev.dtd">             xmlns="http://thuban.intevation.org/dtds/thuban-0.9.dtd">
250              <map title="Test Map">              <map title="Test Map">
251                  <rasterlayer title="My RasterLayer" filename="%s"                  <rasterlayer title="My RasterLayer" filename="%s"
252                               visible="true">                               visible="true">
# Line 303  class SaveSessionTest(unittest.TestCase, Line 313  class SaveSessionTest(unittest.TestCase,
313          expected_template = '''<?xml version="1.0" encoding="UTF-8"?>          expected_template = '''<?xml version="1.0" encoding="UTF-8"?>
314          <!DOCTYPE session SYSTEM "thuban-0.9.dtd">          <!DOCTYPE session SYSTEM "thuban-0.9.dtd">
315          <session title="Map with Classifications"          <session title="Map with Classifications"
316             xmlns="http://thuban.intevation.org/dtds/thuban-0.9-dev.dtd">             xmlns="http://thuban.intevation.org/dtds/thuban-0.9.dtd">
317              <fileshapesource id="D1" filename="%s" filetype="shapefile"/>              <fileshapesource id="D1" filename="%s" filetype="shapefile"/>
318              <map title="Test Map">              <map title="Test Map">
319                  <projection name="Unknown">                  <projection name="Unknown">
# Line 361  class SaveSessionTest(unittest.TestCase, Line 371  class SaveSessionTest(unittest.TestCase,
371    
372      def test_dbf_table(self):      def test_dbf_table(self):
373          """Test saving a session with a dbf table link"""          """Test saving a session with a dbf table link"""
374          session = Session("a DBF Table session")          session = self.session = Session("a DBF Table session")
375          # use shapefile from the example data          # use shapefile from the example data
376          dbffile = os.path.join(os.path.dirname(__file__),          dbffile = os.path.join(os.path.dirname(__file__),
377                                 os.pardir, "Data", "iceland", "political.dbf")                                 os.pardir, "Data", "iceland", "political.dbf")
# Line 376  class SaveSessionTest(unittest.TestCase, Line 386  class SaveSessionTest(unittest.TestCase,
386          expected_template = '''<?xml version="1.0" encoding="UTF-8"?>          expected_template = '''<?xml version="1.0" encoding="UTF-8"?>
387          <!DOCTYPE session SYSTEM "thuban-0.9.dtd">          <!DOCTYPE session SYSTEM "thuban-0.9.dtd">
388          <session title="a DBF Table session"          <session title="a DBF Table session"
389             xmlns="http://thuban.intevation.org/dtds/thuban-0.9-dev.dtd">             xmlns="http://thuban.intevation.org/dtds/thuban-0.9.dtd">
390              <filetable id="D1" filename="%s" filetype="DBF" title="political"/>              <filetable id="D1" filename="%s" filetype="DBF" title="political"/>
391          </session>'''          </session>'''
392    
# Line 384  class SaveSessionTest(unittest.TestCase, Line 394  class SaveSessionTest(unittest.TestCase,
394                               % os.path.join(os.pardir, os.pardir, "Data",                               % os.path.join(os.pardir, os.pardir, "Data",
395                                              "iceland", "political.dbf"))                                              "iceland", "political.dbf"))
396          self.compare_xml(written_contents, expected_contents)          self.compare_xml(written_contents, expected_contents)
397            self.validate_data(written_contents)
398    
399      def test_joined_table(self):      def test_joined_table(self):
400          """Test saving a session with joined table"""          """Test saving a session with joined table"""
# Line 435  class SaveSessionTest(unittest.TestCase, Line 446  class SaveSessionTest(unittest.TestCase,
446              expected_template = '''<?xml version="1.0" encoding="UTF-8"?>              expected_template = '''<?xml version="1.0" encoding="UTF-8"?>
447              <!DOCTYPE session SYSTEM "thuban-0.9.dtd">              <!DOCTYPE session SYSTEM "thuban-0.9.dtd">
448              <session title="A Joined Table session"              <session title="A Joined Table session"
449               xmlns="http://thuban.intevation.org/dtds/thuban-0.9-dev.dtd">               xmlns="http://thuban.intevation.org/dtds/thuban-0.9.dtd">
450                  <fileshapesource filename="%(shpfile)s"                  <fileshapesource filename="%(shpfile)s"
451                                   filetype="shapefile" id="D142197204"/>                                   filetype="shapefile" id="D142197204"/>
452                  <filetable filename="%(dbffile)s"                  <filetable filename="%(dbffile)s"
# Line 461  class SaveSessionTest(unittest.TestCase, Line 472  class SaveSessionTest(unittest.TestCase,
472                  "shpfile": relative_filename(self.temp_dir(), shpfile)                  "shpfile": relative_filename(self.temp_dir(), shpfile)
473                  }                  }
474              self.compare_xml(written_contents, expected_contents)              self.compare_xml(written_contents, expected_contents)
475                self.validate_data(written_contents)
476          finally:          finally:
477              session.Destroy()              session.Destroy()
478              session = None              session = None
479    
480    
481        def test_save_postgis(self):
482            """Test saving a session with a postgis connection"""
483    
484            class NonConnection(PostGISConnection):
485                """connection class that doesn't actually connect """
486                def connect(self):
487                    pass
488    
489            class NonConnectionStore(PostGISShapeStore):
490                """Shapestore that doesn't try to access the server"""
491                def _fetch_table_information(self):
492                    pass
493    
494            session = Session("A PostGIS Session")
495            try:
496                dbconn = NonConnection(dbname="plugh", host="xyzzy", port="42",
497                                       user="grue")
498                session.AddDBConnection(dbconn)
499                map = Map("Test Map")
500                session.AddMap(map)
501                store = NonConnectionStore(dbconn, "roads")
502                session.AddShapeStore(store)
503                layer = Layer("Roads to Nowhere", store)
504                map.AddLayer(layer)
505    
506                # Save the session
507                filename = self.temp_file_name(self.id() + ".thuban")
508                save_session(session, filename)
509    
510                # Read it back and compare
511                file = open(filename)
512                written = file.read()
513                file.close()
514                expected = '''<?xml version="1.0" encoding="UTF-8"?>
515                <!DOCTYPE session SYSTEM "thuban-0.9.dtd">
516                <session title="A PostGIS Session"
517                 xmlns="http://thuban.intevation.org/dtds/thuban-0.9.dtd">
518                    <dbconnection id="DB"
519                                  dbtype="postgis" dbname="plugh"
520                                  host="xyzzy" port="42"
521                                  user="grue"/>
522                    <dbshapesource id="roads" dbconn="DB" tablename="roads"/>
523                    <map title="Test Map">
524                        <layer title="Roads to Nowhere"
525                               shapestore="roads" visible="true"
526                               stroke="#000000" stroke_width="1" fill="None"/>
527                    </map>
528                </session>'''
529                self.compare_xml(written, expected)
530                self.validate_data(written)
531            finally:
532                session.Destroy()
533    
534    
535  class MockDataStore:  class MockDataStore:
536    
537      """A very simple data store that only has dependencies"""      """A very simple data store that only has dependencies"""
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