/[thuban]/branches/WIP-pyshapelib-bramz/test/test_load.py
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revision 2373 by jan, Sun Oct 3 20:49:24 2004 UTC revision 2456 by frank, Wed Dec 15 09:44:34 2004 UTC
# Line 980  class TestLoadError(LoadSessionTest): Line 980  class TestLoadError(LoadSessionTest):
980          else:          else:
981              self.fail("Missing filetype attribute doesn't raise LoadError")              self.fail("Missing filetype attribute doesn't raise LoadError")
982    
983    class Shapefile_CallBack:
984    
985        def __init__(self, params):
986            """Initialize the callback return values.
987              
988               params must be a dictionary of the potential CB modes (keys),
989               with lists of tuples of return values as values.
990               Depending on the test the callback can be called multiple,
991               each time a return value is poped from the list
992            """
993    
994            self.params = params
995    
996    
997        def s_cb(self, filename, mode = None, second_try= 0):
998            if self.params.has_key(mode):
999                return self.params[mode].pop(0)
1000            else:
1001                raise LoadError
1002            
1003    class TestAltPath(LoadSessionTest):
1004    
1005        """Test the various cases in the alternative path feature.
1006    
1007           The test checks the reasonable cases:
1008           - First recognition of a path error, fixed with user interaction.
1009           - First recognition of a path error, load cancelled.
1010           - Path error fixed from list, confirmed by user.
1011           - Path error fixed from list, changed by user.
1012           - Path error fixed from list, cancelled by user.
1013           - Path error wrongly fixed from list, manual fix forced.
1014        """
1015    
1016        file_contents = '''\
1017    <?xml version="1.0" encoding="UTF-8"?>
1018    <!DOCTYPE session SYSTEM "thuban-1.1.dtd">
1019    <session xmlns="http://thuban.intevation.org/dtds/thuban-1.1-dev.dtd" title="AltPath Test session">
1020        <fileshapesource filetype="shapefile" id="D1108450956" filename="../../Data/iceland/political.shp"/>
1021        <fileshapesource filetype="shapefile" id="D1108900076" filename="../Data/iceland/roads-line.shp"/>
1022        <fileshapesource filetype="shapefile" id="D1108947244" filename="../../Data/iceland/cultural_landmark-point.shp"/>
1023        <map title="not the iceland map">
1024            <layer title="political" stroke_width="1" shapestore="D1108450956" visible="true" stroke="#000000" fill="#c0c0c0"/>
1025            <layer title="roads-line" stroke_width="1" shapestore="D1108900076" visible="true" stroke="#000000" fill="None"/>
1026            <layer title="something else" stroke_width="1" shapestore="D1108947244" visible="true" stroke="#000000" fill="None"/>
1027        </map>
1028    </session>
1029    '''
1030    
1031        def checkSession(self, session):
1032            """Check if session has been loaded successfully."""
1033            
1034            eq = self.assertEquals
1035    
1036            map = session.Maps()[0]
1037            layers = map.Layers()
1038    
1039            eq("AltPath Test session", session.Title())
1040            eq("not the iceland map", map.Title())
1041            eq(3,len(layers))
1042            eq("political",layers[0].Title())
1043            eq("roads-line",layers[1].Title())
1044            eq("something else",layers[2].Title())
1045    
1046        def test_01_single_path_error_fix(self):
1047            """Test single file path error fix."""
1048            
1049            eq = self.assertEquals
1050            
1051            # The usual initial case
1052            s_cb = Shapefile_CallBack({
1053                        "search": [("../Data/iceland/roads-line.shp",0)],
1054                        "check": [(None, None)]})
1055            self.session = load_session(self.filename(),
1056                                        shapefile_callback =s_cb.s_cb)
1057            self.checkSession(self.session)
1058            
1059        def test_02_path_error_fix_from_list(self):
1060            """Test single file path error fix."""
1061            # This represents the usual case for "from_list"
1062            s_cb = Shapefile_CallBack({
1063                    "search": [("../Data/iceland/roads-line.shp",1)],
1064                    "check": [(os.path.abspath("../Data/iceland/roads-line.shp"),1)]
1065                   })
1066            self.session = load_session(self.filename(),
1067                                        shapefile_callback =s_cb.s_cb)
1068            self.checkSession(self.session)
1069    
1070        def test_03_single_path_error_cancelled(self):
1071            """Test alternative path cancelled."""
1072            s_cb = Shapefile_CallBack({
1073                        "search": [(None,0)],
1074                        "check": [(None, None)]})
1075            self.assertRaises(LoadCancelled,
1076                                load_session, self.filename(), None, s_cb.s_cb)
1077    
1078        def test_04_path_error_fix_from_list_cancelled(self):
1079            """Test alternative path from list cancelled."""
1080            s_cb = Shapefile_CallBack({
1081                    "search": [("../Data/iceland/roads-line.shp",1)],
1082                    "check": [(None,1)]
1083                   })
1084            self.assertRaises(LoadCancelled,
1085                                load_session, self.filename(), None, s_cb.s_cb)
1086    
1087        def test_05_path_error_fix_from_list_changed(self):
1088            """Test alternative path from list changed."""
1089            s_cb = Shapefile_CallBack({
1090                    "search": [("../Data/iceland/roads-line.shp",1)],
1091                    "check": [("../Data/iceland/roads-line.shp",0)]
1092                   })
1093            self.session = load_session(self.filename(),
1094                                        shapefile_callback =s_cb.s_cb)
1095            self.checkSession(self.session)
1096    
1097        def test_06_path_error_fix_from_list_fails(self):
1098            """Test alternative path recovery from list."""
1099            s_cb = Shapefile_CallBack({
1100                    "search": [("../wrong/iceland/roads-line.shp",1),
1101                                ("../Data/iceland/roads-line.shp",0)],
1102                    "check": [(None,None)]
1103                   })
1104            self.session = load_session(self.filename(),
1105                                        shapefile_callback =s_cb.s_cb)
1106            self.assertRaises(IndexError,
1107                                s_cb.s_cb, None, "search")
1108            
1109    
1110    
1111  if __name__ == "__main__":  if __name__ == "__main__":
1112      support.run_tests()      support.run_tests()

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