def test_nb_classes_poly(self): """ Test the Natural Breaks classifier for a polygon-based geographic model. """ sld = generator.as_natural_breaks(Reservoir.objects.filter(name__startswith='City'), 'volume', 5, geofield='coastline') self.assertEqual(len(sld.NamedLayer.UserStyle.FeatureTypeStyle.Rules), 5) sld = generator.as_natural_breaks(Reservoir.objects.filter(name__startswith='County'), 'volume', 5, geofield='coastline') # Cannot test the values, as the Natural Breaks documentation indicates # that the consistency of breaks on multiple runs of the same data may # not be consistent with the default number of solutions generated. # Even with an extremely high initial solution value (10,000), these # classes are still non-deterministic with the sample test data. self.assertEqual(len(sld.NamedLayer.UserStyle.FeatureTypeStyle.Rules), 5)
def test_nb_classes_ln(self): """ Test the Natural Breaks classifier for a line-based geographic model. """ sld = generator.as_natural_breaks(Pipeline.objects.filter(material='ceramic'), 'diameter', 5, geofield='path') self.assertEqual(len(sld.NamedLayer.UserStyle.FeatureTypeStyle.Rules), 5) sld = generator.as_natural_breaks(Pipeline.objects.filter(material='concrete'), 'diameter', 5, geofield='path') # Cannot test the values, as the Natural Breaks documentation indicates # that the consistency of breaks on multiple runs of the same data may # not be consistent with the default number of solutions generated. # Even with an extremely high initial solution value (10,000), these # classes are still non-deterministic with the sample test data. self.assertEqual(len(sld.NamedLayer.UserStyle.FeatureTypeStyle.Rules), 5)