73 lines
2.9 KiB
Python
73 lines
2.9 KiB
Python
#!/usr/bin/env python
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from nose.tools import *
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from utilities import execution_path, Todo
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import os, sys, glob, 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 compare_shape_between_mapnik_and_ogr(shapefile,query=None):
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plugins = mapnik.DatasourceCache.instance().plugin_names()
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if 'shape' in plugins and 'ogr' in plugins:
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ds1 = mapnik.Ogr(file=shapefile,layer_by_index=0)
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ds2 = mapnik.Shapefile(file=shapefile)
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if query:
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fs1 = ds1.features(query)
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fs2 = ds2.features(query)
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else:
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fs1 = ds1.featureset()
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fs2 = ds2.featureset()
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count = 0;
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while(True):
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count += 1
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feat1 = fs1.next()
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feat2 = fs2.next()
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if not feat1:
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break
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#import pdb;pdb.set_trace()
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eq_(feat1.id(),feat2.id(),
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'%s : ogr feature id %s "%s" does not equal shapefile feature id %s "%s"'
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% (count,feat1.id(),str(feat1.attributes), feat2.id(),str(feat2.attributes)) )
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return True
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def test_shapefile_line_featureset_id():
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compare_shape_between_mapnik_and_ogr('../data/shp/polylines.shp')
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def test_shapefile_polygon_featureset_id():
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compare_shape_between_mapnik_and_ogr('../data/shp/poly.shp')
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def test_shapefile_polygon_feature_query_id():
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bbox = (15523428.2632, 4110477.6323, -11218494.8310, 7495720.7404)
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query = mapnik.Query(mapnik.Box2d(*bbox))
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if 'ogr' in mapnik.DatasourceCache.instance().plugin_names():
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ds = mapnik.Ogr(file='../data/shp/world_merc.shp',layer_by_index=0)
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for fld in ds.fields():
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query.add_property_name(fld)
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compare_shape_between_mapnik_and_ogr('../data/shp/world_merc.shp',query)
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def test_feature_hit_count():
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raise Todo("need to optimize multigeom bbox handling in shapeindex: https://github.com/mapnik/mapnik/issues/783")
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# results in different results between shp and ogr!
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#bbox = (-14284551.8434, 2074195.1992, -7474929.8687, 8140237.7628)
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bbox = (1113194.91,4512803.085,2226389.82,6739192.905)
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query = mapnik.Query(mapnik.Box2d(*bbox))
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if 'ogr' in mapnik.DatasourceCache.instance().plugin_names():
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ds1 = mapnik.Ogr(file='../data/shp/world_merc.shp',layer_by_index=0)
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for fld in ds1.fields():
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query.add_property_name(fld)
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ds2 = mapnik.Shapefile(file='../data/shp/world_merc.shp')
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count1 = len(ds1.features(query).features)
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count2 = len(ds2.features(query).features)
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eq_(count1,count2,"Feature count differs between OGR driver (%s features) and Shapefile Driver (%s features) when querying the same bbox" % (count1,count2))
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if __name__ == "__main__":
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setup()
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[eval(run)() for run in dir() if 'test_' in run]
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