2009-05-01 03:24:12 +02:00
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#!/usr/bin/env python
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from nose.tools import *
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from utilities import execution_path
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import os, mapnik
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def setup():
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# All of the paths used are relative, if we run the tests
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# from another directory we need to chdir()
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os.chdir(execution_path('.'))
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def test_field_listing():
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lyr = mapnik.Layer('test')
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lyr.datasource = mapnik.Shapefile(file='../data/shp/poly.shp')
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fields = lyr.datasource.fields()
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2009-05-01 03:42:58 +02:00
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eq_(fields, ['AREA', 'EAS_ID', 'PRFEDEA'])
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def test_total_feature_count():
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lyr = mapnik.Layer('test')
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lyr.datasource = mapnik.Shapefile(file='../data/shp/poly.shp')
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features = lyr.datasource.all_features()
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num_feats = len(features)
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eq_(num_feats, 10)
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def test_feature_envelope():
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lyr = mapnik.Layer('test')
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lyr.datasource = mapnik.Shapefile(file='../data/shp/poly.shp')
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features = lyr.datasource.all_features()
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for feat in features:
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env = feat.envelope()
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contains = lyr.envelope().contains(env)
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eq_(contains, True)
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intersects = lyr.envelope().contains(env)
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eq_(intersects, True)
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def test_feature_attributes():
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lyr = mapnik.Layer('test')
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lyr.datasource = mapnik.Shapefile(file='../data/shp/poly.shp')
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features = lyr.datasource.all_features()
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feat = features[0]
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attrs = {'PRFEDEA': u'35043411', 'EAS_ID': 168, 'AREA': 215229.266}
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eq_(feat.attributes, attrs)
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fld_name = 'AREA'
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fld_idx = lyr.datasource.fields().index(fld_name)
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eq_(lyr.datasource.field_types()[fld_idx],type(feat.attributes[fld_name]))
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