/[thuban]/branches/WIP-pyshapelib-bramz/test/test_classgen.py
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revision 1345 by jonathan, Tue Jul 1 16:11:38 2003 UTC revision 1362 by jonathan, Wed Jul 2 12:59:34 2003 UTC
# Line 23  from Thuban.Model.classgen import \ Line 23  from Thuban.Model.classgen import \
23      calculate_quantiles, \      calculate_quantiles, \
24      GreyRamp      GreyRamp
25  from Thuban.Model.range import Range  from Thuban.Model.range import Range
26    from Thuban.Model.color import Color
27    
28  from Thuban.Model.classification import ClassGroupRange  from Thuban.Model.classification import ClassGroupRange
29    
# Line 30  class ClassGenTest(unittest.TestCase): Line 31  class ClassGenTest(unittest.TestCase):
31    
32      def doClassRangeTest(self, clazz, ranges):      def doClassRangeTest(self, clazz, ranges):
33          self.assertEquals(clazz.GetNumGroups(), len(ranges))          self.assertEquals(clazz.GetNumGroups(), len(ranges))
34          for i in range(len(ranges)):          for i in range(clazz.GetNumGroups()):
35              group = clazz.GetGroup(i)              group = clazz.GetGroup(i)
36              r1 = str(Range(ranges[i]))              r1 = str(Range(ranges[i]))
37              r2 = group.GetRange()              r2 = group.GetRange()
38              self.assertEquals(r1, r2)              self.assertEquals(r1, r2)
39    
40            self.doBoundsTest(clazz)
41    
42      def doClassSingleTest(self, clazz, _list):      def doClassSingleTest(self, clazz, _list):
43          self.assertEquals(clazz.GetNumGroups(), len(_list))          self.assertEquals(clazz.GetNumGroups(), len(_list))
44          for i in range(len(_list)):          for i in range(clazz.GetNumGroups()):
45              group = clazz.GetGroup(i)              group = clazz.GetGroup(i)
46              self.assertEquals(group.GetValue(), _list[i])              self.assertEquals(group.GetValue(), _list[i])
47    
48            self.doBoundsTest(clazz)
49    
50        def doBoundsTest(self, clazz, ramp = GreyRamp):
51    
52            #
53            # check that the properties are right (i.e. the first group
54            # is all white, the last is all black). This assumes that
55            # the GreyRamp, unless another is provided.
56            #
57            if clazz.GetNumGroups() >= 1:
58                groupF = clazz.GetGroup(0)
59                first = ramp.GetProperties(0)
60                self.assertEquals(groupF.GetProperties(), first)
61    
62            if clazz.GetNumGroups() >= 2:
63                groupL = clazz.GetGroup(clazz.GetNumGroups() - 1)
64                last = ramp.GetProperties(1)
65                self.assertEquals(groupL.GetProperties(), last)
66                            
67      def test_generate_singletons(self):      def test_generate_singletons(self):
68          """Test generate_singletons"""          """Test generate_singletons"""
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