/[thuban]/branches/WIP-pyshapelib-bramz/test/test_load.py
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revision 2104 by bh, Fri Mar 12 12:19:15 2004 UTC revision 2642 by bh, Fri Jul 1 20:49:04 2005 UTC
# Line 1  Line 1 
1  # Copyright (c) 2002, 2003, 2004 by Intevation GmbH  # Copyright (c) 2002, 2003, 2004, 2005 by Intevation GmbH
2  # Authors:  # Authors:
3  # Bernhard Herzog <[email protected]>  # Bernhard Herzog <[email protected]>
4  #  #
# Line 40  from xmlsupport import sax_eventlist Line 40  from xmlsupport import sax_eventlist
40  import dbflib  import dbflib
41  import shapelib  import shapelib
42    
43    from Thuban import internal_from_unicode
44  from Thuban.Model.save import save_session  from Thuban.Model.save import save_session
45  from Thuban.Model.load import load_session, parse_color, LoadError, \  from Thuban.Model.load import load_session, parse_color, LoadError, \
46       LoadCancelled       LoadCancelled
# Line 53  from Thuban.Model.table import DBFTable, Line 54  from Thuban.Model.table import DBFTable,
54  from Thuban.Model.label import ALIGN_CENTER, ALIGN_TOP, ALIGN_BOTTOM, \  from Thuban.Model.label import ALIGN_CENTER, ALIGN_TOP, ALIGN_BOTTOM, \
55       ALIGN_LEFT, ALIGN_RIGHT, ALIGN_BASELINE       ALIGN_LEFT, ALIGN_RIGHT, ALIGN_BASELINE
56    
   
57  def filenames_equal(name1, name2):  def filenames_equal(name1, name2):
58      """Return true if the filenames name1 and name2 are equal.      """Return true if the filenames name1 and name2 are equal.
59    
# Line 124  class LoadSessionTest(support.FileLoadTe Line 124  class LoadSessionTest(support.FileLoadTe
124                  print a != b and "***************" or ""                  print a != b and "***************" or ""
125                  print a                  print a
126                  print b                  print b
127    
128          self.assertEquals(el1, el2,          self.assertEquals(el1, el2,
129                            "loaded file not equivalent to the saved file")                            "loaded file not equivalent to the saved file")
130    
# Line 162  class ClassificationTest(LoadSessionTest Line 163  class ClassificationTest(LoadSessionTest
163                  props.SetLineWidth(data[CLASSES][i][GROUP_PROPS][1])                  props.SetLineWidth(data[CLASSES][i][GROUP_PROPS][1])
164                  props.SetFill(                  props.SetFill(
165                      parse_color(data[CLASSES][i][GROUP_PROPS][2]))                      parse_color(data[CLASSES][i][GROUP_PROPS][2]))
166                    if len(data[CLASSES][i][GROUP_PROPS]) > 3:
167                        props.SetSize(data[CLASSES][i][GROUP_PROPS][3])
168    
169                  if data[CLASSES][i][GROUP_TYPE] == "default":                  if data[CLASSES][i][GROUP_TYPE] == "default":
170                      g = ClassGroupDefault(props, data[CLASSES][i][GROUP_LABEL])                      g = ClassGroupDefault(props, data[CLASSES][i][GROUP_LABEL])
# Line 212  class TestSingleLayer(LoadSessionTest): Line 215  class TestSingleLayer(LoadSessionTest):
215          self.session = session          self.session = session
216    
217          # Check the title          # Check the title
218          eq(session.Title(), "Stra\xdfen & Landmarken")          eq(session.Title(), internal_from_unicode(u"Stra\xdfen & Landmarken"))
219    
220          # the session has one map.          # the session has one map.
221          maps = session.Maps()          maps = session.Maps()
# Line 220  class TestSingleLayer(LoadSessionTest): Line 223  class TestSingleLayer(LoadSessionTest):
223    
224          # Check the map's attributes          # Check the map's attributes
225          map = maps[0]          map = maps[0]
226          eq(map.Title(), "\xdcbersicht")          eq(map.Title(), internal_from_unicode(u"\xdcbersicht"))
227          proj = map.GetProjection()          proj = map.GetProjection()
228          eq(proj.GetName(), "WGS 84 / UTM zone 27N")          eq(proj.GetName(), "WGS 84 / UTM zone 27N")
229          eq(proj.EPSGCode(), "32627")          eq(proj.EPSGCode(), "32627")
# Line 235  class TestSingleLayer(LoadSessionTest): Line 238  class TestSingleLayer(LoadSessionTest):
238    
239          # Check the layer attributes          # Check the layer attributes
240          layer = layers[0]          layer = layers[0]
241          eq(layer.Title(), "K\xfcste")          eq(layer.Title(), internal_from_unicode(u"K\xfcste"))
242          self.failUnless(filenames_equal(layer.ShapeStore().FileName(),          self.failUnless(filenames_equal(layer.ShapeStore().FileName(),
243                                          os.path.join(self.temp_dir(),                                          os.path.join(self.temp_dir(),
244                                                       os.pardir, os.pardir,                                                       os.pardir, os.pardir,
# Line 388  class TestLayerVisibility(LoadSessionTes Line 391  class TestLayerVisibility(LoadSessionTes
391          self.check_format()          self.check_format()
392    
393    
394    class TestSymbolSize(ClassificationTest):
395    
396        file_contents = '''\
397    <?xml version="1.0" encoding="UTF-8"?>
398    <!DOCTYPE session SYSTEM "thuban-1.1.dtd">
399    <session xmlns="http://thuban.intevation.org/dtds/thuban-1.1-dev.dtd" title="Thuban sample session">
400        <fileshapesource filetype="shapefile" id="D813968480" filename="../../Data/iceland/cultural_landmark-point.shp"/>
401        <map title="Iceland map">
402            <layer title="cultural_landmark-point" stroke_width="1" shapestore="D813968480" visible="true" stroke="#000000" fill="#000000">
403                <classification field="CLPTLABEL" field_type="string">
404                    <clnull label="">
405                        <cldata stroke="#000000" stroke_width="1" size="3" fill="#000000"/>
406                    </clnull>
407                    <clpoint label="" value="RUINS">
408                        <cldata stroke="#000000" stroke_width="1" size="6" fill="#ffffff"/>
409                    </clpoint>
410                    <clpoint label="" value="FARM">
411                        <cldata stroke="#000000" stroke_width="1" size="9" fill="#ffff00"/>
412                    </clpoint>
413                </classification>
414            </layer>
415        </map>
416    </session>
417    '''
418    
419        def test(self):
420            """Test that the size attribute for point symbols is correctly
421            loaded for a layer."""
422            eq = self.assertEquals
423            session = load_session(self.filename())
424            self.session = session
425    
426            map = session.Maps()[0] # only one map in the sample
427    
428            expected = [("cultural_landmark-point", 2,
429                            [("default", (), "",
430                                ("#000000", 1, "#000000", 3)),
431                             ("single", "RUINS", "",
432                                ("#000000", 1, "#ffffff", 6)),
433                             ("single", "FARM", "",
434                                ("#000000", 1, "#ffff00", 9))])]
435    
436            self.TestLayers(map.Layers(), expected)
437    
438            self.check_format()
439    
440    
441  class TestClassification(ClassificationTest):  class TestClassification(ClassificationTest):
442    
443      file_contents = '''\      file_contents = '''\
# Line 461  class TestClassification(ClassificationT Line 511  class TestClassification(ClassificationT
511                              ("#000000", 2, "None")),                              ("#000000", 2, "None")),
512                           ("single", "1", "",                           ("single", "1", "",
513                              ("#000000", 10, "None")),                              ("#000000", 10, "None")),
514                           ("single", "\xe4\xf6\xfc", "\xdcml\xe4uts",                           ("single", internal_from_unicode(u"\xe4\xf6\xfc"),
515                              internal_from_unicode(u"\xdcml\xe4uts"),
516                              ("#000000", 1, "None"))]),                              ("#000000", 1, "None"))]),
517                       ("My Layer 2", 4,                       ("My Layer 2", 4,
518                           [("default", (), "",                           [("default", (), "",
# Line 615  class TestRasterLayer(LoadSessionTest): Line 666  class TestRasterLayer(LoadSessionTest):
666          title="single map&amp;layer">          title="single map&amp;layer">
667      <map title="Test Map">      <map title="Test Map">
668          <rasterlayer visible="false" filename="../../Data/iceland/island.tif"          <rasterlayer visible="false" filename="../../Data/iceland/island.tif"
669                  title="My RasterLayer"/>                  title="My RasterLayer" opacity="0.4" masktype="alpha"/>
670      </map>      </map>
671  </session>  </session>
672  '''  '''
# Line 632  class TestRasterLayer(LoadSessionTest): Line 683  class TestRasterLayer(LoadSessionTest):
683          layer = map.Layers()[0] # one layer in the sample          layer = map.Layers()[0] # one layer in the sample
684    
685          eq(layer.Title(), "My RasterLayer")          eq(layer.Title(), "My RasterLayer")
686            eq(layer.Opacity(), 0.4)
687            eq(layer.MaskType(), layer.MASK_ALPHA)
688    
689          self.failIf(layer.Visible())          self.failIf(layer.Visible())
690          self.failUnless(filenames_equal(layer.GetImageFilename(),          self.failUnless(filenames_equal(layer.GetImageFilename(),
691                                          os.path.join(self.temp_dir(),                                          os.path.join(self.temp_dir(),
# Line 740  class TestLabelLayer(LoadSessionTest): Line 794  class TestLabelLayer(LoadSessionTest):
794    
795          label_layer = self.session.Maps()[0].LabelLayer()          label_layer = self.session.Maps()[0].LabelLayer()
796          expected_labels = [(-21.5, 64.25, "RUINS", ALIGN_LEFT, ALIGN_CENTER),          expected_labels = [(-21.5, 64.25, "RUINS", ALIGN_LEFT, ALIGN_CENTER),
797                             (-15.125, 64.75, "H\xfctte", ALIGN_RIGHT, ALIGN_TOP),                             (-15.125, 64.75, internal_from_unicode(u"H\xfctte"),
798                                ALIGN_RIGHT, ALIGN_TOP),
799                             ]                             ]
800          for label, values in zip(label_layer.Labels(), expected_labels):          for label, values in zip(label_layer.Labels(), expected_labels):
801              self.assertEquals((label.x, label.y, label.text, label.halign,              self.assertEquals((label.x, label.y, label.text, label.halign,
# Line 931  class TestLoadError(LoadSessionTest): Line 986  class TestLoadError(LoadSessionTest):
986          else:          else:
987              self.fail("Missing filetype attribute doesn't raise LoadError")              self.fail("Missing filetype attribute doesn't raise LoadError")
988    
989    class Shapefile_CallBack:
990    
991        def __init__(self, params):
992            """Initialize the callback return values.
993              
994               params must be a dictionary of the potential CB modes (keys),
995               with lists of tuples of return values as values.
996               Depending on the test the callback can be called multiple,
997               each time a return value is poped from the list
998            """
999    
1000            self.params = params
1001    
1002    
1003        def s_cb(self, filename, mode = None, second_try= 0):
1004            if self.params.has_key(mode):
1005                return self.params[mode].pop(0)
1006            else:
1007                raise LoadError
1008            
1009    class TestAltPath(LoadSessionTest):
1010    
1011        """Test the various cases in the alternative path feature.
1012    
1013           The test checks the reasonable cases:
1014           - First recognition of a path error, fixed with user interaction.
1015           - First recognition of a path error, load cancelled.
1016           - Path error fixed from list, confirmed by user.
1017           - Path error fixed from list, changed by user.
1018           - Path error fixed from list, cancelled by user.
1019           - Path error wrongly fixed from list, manual fix forced.
1020        """
1021    
1022        file_contents = '''\
1023    <?xml version="1.0" encoding="UTF-8"?>
1024    <!DOCTYPE session SYSTEM "thuban-1.1.dtd">
1025    <session xmlns="http://thuban.intevation.org/dtds/thuban-1.1-dev.dtd" title="AltPath Test session">
1026        <fileshapesource filetype="shapefile" id="D1108450956" filename="../../Data/iceland/political.shp"/>
1027        <fileshapesource filetype="shapefile" id="D1108900076" filename="../Data/iceland/roads-line.shp"/>
1028        <fileshapesource filetype="shapefile" id="D1108947244" filename="../../Data/iceland/cultural_landmark-point.shp"/>
1029        <map title="not the iceland map">
1030            <layer title="political" stroke_width="1" shapestore="D1108450956" visible="true" stroke="#000000" fill="#c0c0c0"/>
1031            <layer title="roads-line" stroke_width="1" shapestore="D1108900076" visible="true" stroke="#000000" fill="None"/>
1032            <layer title="something else" stroke_width="1" shapestore="D1108947244" visible="true" stroke="#000000" fill="None"/>
1033        </map>
1034    </session>
1035    '''
1036    
1037        def checkSession(self, session):
1038            """Check if session has been loaded successfully."""
1039            
1040            eq = self.assertEquals
1041    
1042            map = session.Maps()[0]
1043            layers = map.Layers()
1044    
1045            eq("AltPath Test session", session.Title())
1046            eq("not the iceland map", map.Title())
1047            eq(3,len(layers))
1048            eq("political",layers[0].Title())
1049            eq("roads-line",layers[1].Title())
1050            eq("something else",layers[2].Title())
1051    
1052        def test_01_single_path_error_fix(self):
1053            """Test single file path error fix."""
1054            # The usual initial case
1055            s_cb = Shapefile_CallBack({
1056                        "search": [("../Data/iceland/roads-line.shp",0)],
1057                        "check": [(None, None)]})
1058            self.session = load_session(self.filename(),
1059                                        shapefile_callback =s_cb.s_cb)
1060            self.checkSession(self.session)
1061            
1062        def test_02_path_error_fix_from_list(self):
1063            """Test single file path error fix."""
1064            # This represents the usual case for "from_list"
1065            s_cb = Shapefile_CallBack({
1066                    "search": [("../Data/iceland/roads-line.shp",1)],
1067                    "check": [(os.path.abspath("../Data/iceland/roads-line.shp"),1)]
1068                   })
1069            self.session = load_session(self.filename(),
1070                                        shapefile_callback =s_cb.s_cb)
1071            self.checkSession(self.session)
1072    
1073        def test_03_single_path_error_cancelled(self):
1074            """Test alternative path cancelled."""
1075            s_cb = Shapefile_CallBack({
1076                        "search": [(None,0)],
1077                        "check": [(None, None)]})
1078            self.assertRaises(LoadCancelled,
1079                                load_session, self.filename(), None, s_cb.s_cb)
1080    
1081        def test_04_path_error_fix_from_list_cancelled(self):
1082            """Test alternative path from list cancelled."""
1083            s_cb = Shapefile_CallBack({
1084                    "search": [("../Data/iceland/roads-line.shp",1)],
1085                    "check": [(None,1)]
1086                   })
1087            self.assertRaises(LoadCancelled,
1088                                load_session, self.filename(), None, s_cb.s_cb)
1089    
1090        def test_05_path_error_fix_from_list_changed(self):
1091            """Test alternative path from list changed."""
1092            s_cb = Shapefile_CallBack({
1093                    "search": [("../Data/iceland/roads-line.shp",1)],
1094                    "check": [("../Data/iceland/roads-line.shp",0)]
1095                   })
1096            self.session = load_session(self.filename(),
1097                                        shapefile_callback =s_cb.s_cb)
1098            self.checkSession(self.session)
1099    
1100        def test_06_path_error_fix_from_list_fails(self):
1101            """Test alternative path recovery from list."""
1102            s_cb = Shapefile_CallBack({
1103                    "search": [("../wrong/iceland/roads-line.shp",1),
1104                                ("../Data/iceland/roads-line.shp",0)],
1105                    "check": [(None,None)]
1106                   })
1107            self.session = load_session(self.filename(),
1108                                        shapefile_callback =s_cb.s_cb)
1109            self.assertRaises(IndexError,
1110                                s_cb.s_cb, None, "search")
1111            
1112    
1113    
1114  if __name__ == "__main__":  if __name__ == "__main__":
1115      support.run_tests()      support.run_tests()
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