/[thuban]/branches/WIP-pyshapelib-bramz/test/test_load.py
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revision 1247 by bh, Thu Jun 19 19:53:36 2003 UTC revision 1268 by bh, Fri Jun 20 16:10:12 2003 UTC
# Line 17  Maintenance of the test cases: Line 17  Maintenance of the test cases:
17    
18  When during a development period the file format is changed with respect  When during a development period the file format is changed with respect
19  to the last released version for the first, the tests here should be  to the last released version for the first, the tests here should be
20  copied to the version specific test file.  copied to the version specific test file. The round-trip tests which
21    save the session again and compare the XML files should not be copied
22    over as they only make sense here to make sure th that the files checked
23    here are actually ones that may have been written by the current thuban
24    version.
25  """  """
26    
27  __version__ = "$Revision$"  __version__ = "$Revision$"
# Line 30  import unittest Line 34  import unittest
34  import support  import support
35  support.initthuban()  support.initthuban()
36    
37  from Thuban.Model.load import load_session, parse_color  from xmlsupport import sax_eventlist
38    
39    import dbflib
40    
41    from Thuban.Model.save import save_session
42    from Thuban.Model.load import load_session, parse_color, LoadError
43  from Thuban.Model.color import Color  from Thuban.Model.color import Color
44  from Thuban.Model.classification import ClassGroupProperties, ClassGroupRange,\  from Thuban.Model.classification import ClassGroupProperties, ClassGroupRange,\
45      ClassGroupSingleton, ClassGroupDefault      ClassGroupSingleton, ClassGroupDefault
# Line 71  class LoadSessionTest(support.FileLoadTe Line 80  class LoadSessionTest(support.FileLoadTe
80          self.session = None          self.session = None
81    
82    
83        dtd = "http://thuban.intevation.org/dtds/thuban-0.8.dtd"
84        thubanids = [((dtd, n), (None, "id")) for n in
85                     ["fileshapesource", "filetable", "jointable",
86                      "derivedshapesource"]]
87        thubanidrefs = [((dtd, n), (None, m)) for n, m in
88                        [("layer", "shapestore"),
89                         ("jointable", "left"),
90                         ("jointable", "right"),
91                         ("derivedshapesource", "table"),
92                         ("derivedshapesource", "shapesource")]]
93        del n, m, dtd
94    
95        def check_format(self):
96            """Check whether the file we loaded from matches the one that
97            would be written. Call this from each test case after loading
98            the session
99            """
100            filename = self.temp_file_name(self.id() + ".roundtrip.thuban")
101            save_session(self.session, filename)
102            el1 = sax_eventlist(filename = filename, ids = self.thubanids,
103                                idrefs = self.thubanidrefs)
104            el2 = sax_eventlist(filename = self.filename(), ids = self.thubanids,
105                                idrefs = self.thubanidrefs)
106            if 0:
107                for a, b in zip(el1, el2):
108                    print a != b and "***************" or ""
109                    print a
110                    print b
111            self.assertEquals(el1, el2,
112                              "loaded file not equivalent to the saved file")
113    
114    
115  class ClassificationTest(LoadSessionTest):  class ClassificationTest(LoadSessionTest):
116    
117      """      """
# Line 126  class TestSingleLayer(LoadSessionTest): Line 167  class TestSingleLayer(LoadSessionTest):
167    
168      file_contents = '''\      file_contents = '''\
169  <?xml version="1.0" encoding="UTF-8"?>  <?xml version="1.0" encoding="UTF-8"?>
170  <!DOCTYPE session SYSTEM "thuban.dtd">  <!DOCTYPE session SYSTEM "thuban-0.8.dtd">
171  <session title="single map&amp;layer">  <session xmlns="http://thuban.intevation.org/dtds/thuban-0.8.dtd"
172          <map title="Test Map">          title="single map&amp;layer">
173                  <projection>      <fileshapesource filetype="shapefile" id="D1"
174                          <parameter value="zone=26"/>          filename="../../Data/iceland/political.shp"/>
175                          <parameter value="proj=utm"/>      <map title="Test Map">
176                          <parameter value="ellps=clrk66"/>          <projection name="Unknown">
177                  </projection>              <parameter value="zone=26"/>
178                  <layer title="My Layer" stroke_width="1" fill="None"              <parameter value="proj=utm"/>
179                      filename="../../Data/iceland/political.shp"              <parameter value="ellps=clrk66"/>
180                      stroke="#000000"/>          </projection>
181          </map>          <layer shapestore="D1" visible="true"
182                    stroke="#000000" title="My Layer" stroke_width="1"
183                    fill="None"/>
184        </map>
185  </session>  </session>
186  '''  '''
187    
# Line 174  class TestSingleLayer(LoadSessionTest): Line 218  class TestSingleLayer(LoadSessionTest):
218          eq(layer.GetClassification().GetDefaultLineColor().hex(), "#000000")          eq(layer.GetClassification().GetDefaultLineColor().hex(), "#000000")
219          eq(layer.Visible(), True)          eq(layer.Visible(), True)
220    
221            self.check_format()
222    
223          self.session.Destroy()          self.session.Destroy()
224          self.session = None          self.session = None
225    
# Line 182  class TestLayerVisibility(LoadSessionTes Line 228  class TestLayerVisibility(LoadSessionTes
228    
229      file_contents = '''\      file_contents = '''\
230  <?xml version="1.0" encoding="UTF-8"?>  <?xml version="1.0" encoding="UTF-8"?>
231  <!DOCTYPE session SYSTEM "thuban.dtd">  <!DOCTYPE session SYSTEM "thuban-0.8.dtd">
232  <session title="single map&amp;layer">  <session xmlns="http://thuban.intevation.org/dtds/thuban-0.8.dtd"
233          <map title="Test Map">          title="single map&amp;layer">
234                  <projection>      <fileshapesource filetype="shapefile" id="D1"
235                          <parameter value="zone=26"/>          filename="../../Data/iceland/political.shp"/>
236                          <parameter value="proj=utm"/>      <map title="Test Map">
237                          <parameter value="ellps=clrk66"/>          <projection name="Unknown">
238                  </projection>              <parameter value="zone=26"/>
239                  <layer title="My Layer" stroke_width="1" fill="None"              <parameter value="proj=utm"/>
240                      filename="../../Data/iceland/political.shp"              <parameter value="ellps=clrk66"/>
241                      stroke="#000000" visible="false">          </projection>
242          </layer>          <layer shapestore="D1" visible="false" stroke="#000000"
243                    title="My Layer" stroke_width="1" fill="None"/>
244      </map>      </map>
245  </session>  </session>
246  '''  '''
# Line 212  class TestLayerVisibility(LoadSessionTes Line 259  class TestLayerVisibility(LoadSessionTes
259    
260          eq(layer.Visible(), False)          eq(layer.Visible(), False)
261    
262            self.check_format()
263    
264    
265  class TestClassification(ClassificationTest):  class TestClassification(ClassificationTest):
# Line 300  class TestLabels(ClassificationTest): Line 347  class TestLabels(ClassificationTest):
347    
348      file_contents = '''\      file_contents = '''\
349  <?xml version="1.0" encoding="UTF-8"?>  <?xml version="1.0" encoding="UTF-8"?>
350  <!DOCTYPE session SYSTEM "thuban.dtd">  <!DOCTYPE session SYSTEM "thuban-0.8.dtd">
351  <session title="single map&amp;layer">  <session xmlns="http://thuban.intevation.org/dtds/thuban-0.8.dtd"
352          <map title="Test Map">          title="single map&amp;layer">
353                  <projection>      <fileshapesource filetype="shapefile" id="D1"
354                          <parameter value="zone=26"/>          filename="../../Data/iceland/political.shp"/>
355                          <parameter value="proj=utm"/>      <map title="Test Map">
356                          <parameter value="ellps=clrk66"/>          <projection name="Unknown">
357                  </projection>              <parameter value="zone=26"/>
358                  <layer title="My Layer" stroke_width="1" fill="None"              <parameter value="proj=utm"/>
359                      filename="../../Data/iceland/political.shp"              <parameter value="ellps=clrk66"/>
360                      stroke="#000000">          </projection>
361            <layer shapestore="D1" visible="true" stroke="#000000"
362                    title="My Layer" stroke_width="1" fill="None">
363              <classification field="POPYREG" field_type="string">              <classification field="POPYREG" field_type="string">
364                  <clnull label="hallo">                  <clnull label="hallo">
365                      <cldata stroke="#000000" stroke_width="1" fill="None"/>                      <cldata stroke="#000000" stroke_width="1" fill="None"/>
# Line 339  class TestLabels(ClassificationTest): Line 388  class TestLabels(ClassificationTest):
388                              ("#000000", 2, "None"))])]                              ("#000000", 2, "None"))])]
389    
390          self.TestLayers(map.Layers(), expected)          self.TestLayers(map.Layers(), expected)
391            self.check_format()
392    
393    
394  class TestLayerProjection(LoadSessionTest):  class TestLayerProjection(LoadSessionTest):
395    
396      file_contents = '''\      file_contents = '''\
397  <?xml version="1.0" encoding="UTF-8"?>  <?xml version="1.0" encoding="UTF-8"?>
398  <!DOCTYPE session SYSTEM "thuban.dtd">  <!DOCTYPE session SYSTEM "thuban-0.8.dtd">
399  <session title="single map&amp;layer">  <session xmlns="http://thuban.intevation.org/dtds/thuban-0.8.dtd"
400          <map title="Test Map">          title="single map&amp;layer">
401                  <projection>      <fileshapesource filetype="shapefile" id="D2"
402                          <parameter value="zone=26"/>          filename="../../Data/iceland/roads-line.shp"/>
403                          <parameter value="proj=utm"/>      <fileshapesource filetype="shapefile" id="D4"
404                          <parameter value="ellps=clrk66"/>          filename="../../Data/iceland/political.shp"/>
405                  </projection>      <map title="Test Map">
406                  <layer title="My Layer" stroke_width="1" fill="None"          <projection name="Unknown">
407                      filename="../../Data/iceland/political.shp"              <parameter value="zone=26"/>
408                      stroke="#000000">              <parameter value="proj=utm"/>
409                      <projection name="hello">              <parameter value="ellps=clrk66"/>
410                          <parameter value="zone=13"/>          </projection>
411                          <parameter value="proj=tmerc"/>          <layer shapestore="D4" visible="true" stroke="#000000"
412                          <parameter value="ellps=clrk66"/>                  title="My Layer" stroke_width="1" fill="None">
413                      </projection>              <projection name="hello">
414                    <parameter value="zone=13"/>
415                    <parameter value="proj=tmerc"/>
416                    <parameter value="ellps=clrk66"/>
417                </projection>
418              <classification field="POPYREG" field_type="string">              <classification field="POPYREG" field_type="string">
419                  <clnull label="hallo">                  <clnull label="hallo">
420                      <cldata stroke="#000000" stroke_width="1" fill="None"/>                      <cldata stroke="#000000" stroke_width="1" fill="None"/>
# Line 370  class TestLayerProjection(LoadSessionTes Line 424  class TestLayerProjection(LoadSessionTes
424                  </clpoint>                  </clpoint>
425              </classification>              </classification>
426          </layer>          </layer>
427                  <layer title="My Layer" stroke_width="1" fill="None"          <layer shapestore="D2" visible="true" stroke="#000000"
428                      filename="../../Data/iceland/political.shp"                  title="My Layer" stroke_width="1" fill="None">
429                      stroke="#000000">              <projection name="Unknown">
430                      <projection>                  <parameter value="proj=lcc"/>
431                          <parameter value="proj=lcc"/>                  <parameter value="ellps=clrk66"/>
432                          <parameter value="ellps=clrk66"/>              </projection>
                     </projection>  
433          </layer>          </layer>
434      </map>      </map>
435  </session>  </session>
# Line 409  class TestLayerProjection(LoadSessionTes Line 462  class TestLayerProjection(LoadSessionTes
462          eq(proj.GetParameter("proj"), "lcc")          eq(proj.GetParameter("proj"), "lcc")
463          eq(proj.GetParameter("ellps"), "clrk66")          eq(proj.GetParameter("ellps"), "clrk66")
464    
465            self.check_format()
466    
467    
468  class TestRasterLayer(LoadSessionTest):  class TestRasterLayer(LoadSessionTest):
469    
470      file_contents = '''\      file_contents = '''\
471  <?xml version="1.0" encoding="UTF-8"?>  <?xml version="1.0" encoding="UTF-8"?>
472  <!DOCTYPE session SYSTEM "thuban.dtd">  <!DOCTYPE session SYSTEM "thuban-0.8.dtd">
473  <session title="single map&amp;layer">  <session xmlns="http://thuban.intevation.org/dtds/thuban-0.8.dtd"
474          <map title="Test Map">          title="single map&amp;layer">
475                  <rasterlayer title="My RasterLayer"      <map title="Test Map">
476                       filename="../../Data/iceland/island.tif"          <rasterlayer visible="false" filename="../../Data/iceland/island.tif"
477                       visible="false">                  title="My RasterLayer"/>
         </rasterlayer>  
478      </map>      </map>
479  </session>  </session>
480  '''  '''
# Line 443  class TestRasterLayer(LoadSessionTest): Line 497  class TestRasterLayer(LoadSessionTest):
497                                                       os.pardir, os.pardir,                                                       os.pardir, os.pardir,
498                                                       "Data", "iceland",                                                       "Data", "iceland",
499                                                       "island.tif")))                                                       "island.tif")))
500            self.check_format()
501    
502    
503    class TestJoinedTable(LoadSessionTest):
504    
505        file_contents = '''<?xml version="1.0" encoding="UTF-8"?>
506    <!DOCTYPE session SYSTEM "thuban-0.8.dtd">
507    <session title="A Joined Table session">
508        <filetable filename="load_joinedtable.dbf"
509                   title="Some Title"
510                   filetype="DBF" id="D141881756"/>
511        <fileshapesource filename="../../Data/iceland/roads-line.shp"
512                         filetype="shapefile" id="D142197204"/>
513        <jointable id="D142180284"
514                   title="Joined"
515                   leftcolumn="RDLNTYPE" left="D142197204"
516                   rightcolumn="RDTYPE" right="D141881756"/>
517        <derivedshapesource id="D141915644"
518                            table="D142180284" shapesource="D142197204"/>
519        <map title="Test Map">
520            <layer title="My Layer"
521                   shapestore="D141915644" visible="true"
522                   stroke="#000000" stroke_width="1" fill="None"/>
523        </map>
524    </session>'''
525    
526        def setUp(self):
527            """Extend inherited method to create the dbffile for the join"""
528            LoadSessionTest.setUp(self)
529            dbffile = self.temp_file_name("load_joinedtable.dbf")
530            dbf = dbflib.create(dbffile)
531            dbf.add_field("RDTYPE", dbflib.FTInteger, 10, 0)
532            dbf.add_field("TEXT", dbflib.FTString, 10, 0)
533            dbf.write_record(0, {'RDTYPE': 8, "TEXT": "foo"})
534            dbf.write_record(1, {'RDTYPE': 2, "TEXT": "bar"})
535            dbf.write_record(2, {'RDTYPE': 3, "TEXT": "baz"})
536            dbf.close()
537    
538        def test(self):
539            """Test loading a session containing a joined table"""
540            session = load_session(self.filename())
541            self.session = session
542    
543            tables = session.Tables()
544            self.assertEquals(len(tables), 3)
545            # FIXME: The tests shouldn't assume a certain order of the tables
546            self.assertEquals(tables[0].Title(), "Some Title")
547            self.assertEquals(tables[1].Title(), "Joined")
548    
549    
550    class TestLoadError(LoadSessionTest):
551    
552        file_contents = '''\
553    <?xml version="1.0" encoding="UTF-8"?>
554    <!DOCTYPE session SYSTEM "thuban-0.8.dtd">
555    <session xmlns="http://thuban.intevation.org/dtds/thuban-0.8.dtd"
556            title="single map&amp;layer">
557        <fileshapesource id="D1" filename="../../Data/iceland/political.shp"/>
558        <map title="Test Map">
559            <projection name="Unknown">
560                <parameter value="zone=26"/>
561                <parameter value="proj=utm"/>
562                <parameter value="ellps=clrk66"/>
563            </projection>
564            <layer shapestore="D1" visible="true"
565                    stroke="#000000" title="My Layer" stroke_width="1"
566                    fill="None"/>
567        </map>
568    </session>
569    '''
570    
571        def test(self):
572            """Test loading a session missing a required attribute"""
573            # Don't use assertRaises to make sure that if a session is
574            # actually returned it gets destroyed properly.
575            try:
576                self.session = load_session(self.filename())
577            except LoadError, value:
578                pass
579            else:
580                self.fail("Missing filetype attribute doesn't raise LoadError")
581    
582  if __name__ == "__main__":  if __name__ == "__main__":
583      unittest.main()      unittest.main()
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