157 lines
5.6 KiB
Python
157 lines
5.6 KiB
Python
#encoding: utf8
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from nose.tools import *
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import os,sys
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from utilities import execution_path
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from utilities import Todo
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import 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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wkts = [
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[1,"POINT(30 10)"],
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[1,"POINT(30.0 10.0)"],
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[1,"POINT(30.1 10.1)"],
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[1,"LINESTRING(30 10,10 30,40 40)"],
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[1,"POLYGON((30 10,10 20,20 40,40 40,30 10))"],
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[1,"POLYGON((35 10,10 20,15 40,45 45,35 10),(20 30,35 35,30 20,20 30))"],
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[4,"MULTIPOINT((10 40),(40 30),(20 20),(30 10))"],
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[2,"MULTILINESTRING((10 10,20 20,10 40),(40 40,30 30,40 20,30 10))"],
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[2,"MULTIPOLYGON(((30 20,10 40,45 40,30 20)),((15 5,40 10,10 20,5 10,15 5)))"],
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[2,"MULTIPOLYGON(((40 40,20 45,45 30,40 40)),((20 35,45 20,30 5,10 10,10 30,20 35),(30 20,20 25,20 15,30 20)))"],
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[3,"GEOMETRYCOLLECTION(POLYGON((1 1,2 1,2 2,1 2,1 1)),POINT(2 3),LINESTRING(2 3,3 4))"]
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]
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def compare_wkb_from_wkt(wkt,num=None):
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# create a Path from geometry(s)
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paths = mapnik.Path.from_wkt(wkt)
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# add geometry(s) to feature from wkt
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f = mapnik.Feature(1)
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f.add_geometries_from_wkt(wkt)
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# ensure both have same result
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# compare number of geometry parts
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if num:
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eq_(len(paths),num)
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eq_(len(f.geometries()),num)
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# compare collection off all geometries
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eq_(paths.to_wkb(mapnik.wkbByteOrder.XDR),f.geometries().to_wkb(mapnik.wkbByteOrder.XDR))
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# compare all parts
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for idx,path in enumerate(paths):
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eq_(f.geometries()[idx].to_wkb(mapnik.wkbByteOrder.XDR),path.to_wkb(mapnik.wkbByteOrder.XDR))
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# compare round trip
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paths2 = mapnik.Path()
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for path in paths:
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paths2.add_wkb(path.to_wkb(mapnik.wkbByteOrder.XDR))
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# ensure result
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if num:
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eq_(len(paths2),num)
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eq_(paths2.to_wkb(mapnik.wkbByteOrder.XDR),paths.to_wkb(mapnik.wkbByteOrder.XDR))
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for idx,path in enumerate(paths2):
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eq_(f.geometries()[idx].to_wkb(mapnik.wkbByteOrder.XDR),path.to_wkb(mapnik.wkbByteOrder.XDR))
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def compare_wkt_from_wkt(wkt,num=None):
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# create a Path from geometry(s)
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paths = mapnik.Path.from_wkt(wkt)
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# add geometry(s) to feature from wkt
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f = mapnik.Feature(1)
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f.add_geometries_from_wkt(wkt)
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# compare to original, which may not have significant digits
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if '.' not in wkt:
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eq_(f.geometries().to_wkt().upper().replace('.0',''),wkt)
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else:
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eq_(f.geometries().to_wkt().upper(),wkt)
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# ensure both have same result
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if num:
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eq_(len(paths),num)
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eq_(len(f.geometries()),num)
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eq_(paths.to_wkt(),f.geometries().to_wkt())
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for idx,path in enumerate(paths):
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eq_(f.geometries()[idx].to_wkt(),path.to_wkt())
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# compare round trip
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paths2 = mapnik.Path()
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for path in paths:
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paths2.add_wkt(path.to_wkt())
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# ensure result
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if num:
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eq_(len(paths2),num)
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eq_(paths2.to_wkt(),paths.to_wkt())
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for idx,path in enumerate(paths2):
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eq_(f.geometries()[idx].to_wkb(mapnik.wkbByteOrder.XDR),path.to_wkb(mapnik.wkbByteOrder.XDR))
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def test_wkt_simple():
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for wkt in wkts:
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try:
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compare_wkt_from_wkt(wkt[1],wkt[0])
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except RuntimeError, e:
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raise RuntimeError('%s %s' % (e, wkt))
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def test_wkb_simple():
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for wkt in wkts:
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try:
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compare_wkb_from_wkt(wkt[1],wkt[0])
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except RuntimeError, e:
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raise RuntimeError('%s %s' % (e, wkt))
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@raises(IndexError)
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def test_geometry_index_error():
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wkt = 'Point (0 0)'
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paths = mapnik.Path.from_wkt(wkt)
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paths[3]
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f = mapnik.Feature(1)
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f.add_geometries_from_wkt(wkt)
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f.geometries()[3]
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@raises(IndexError)
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def test_geometry_index_error2():
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wkt = 'Point (0 0)'
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f = mapnik.Feature(1)
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f.add_geometries_from_wkt(wkt)
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f.geometries()[3]
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def test_wkt_rounding():
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raise Todo("fixme or remove test")
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# currently fails because we use output precision of 6 - should we make configurable? https://github.com/mapnik/mapnik/issues/1009
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# if precision is set to 15 still fails due to very subtle rounding issues
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wkt = "POLYGON((7.904185417583761 54.180426336712856,7.89918053477129 54.178168035931542,7.897715691021261 54.182318426556606,7.893565300396205 54.183111883587891,7.89039147227129 54.187567449994106,7.885874870708761 54.190680242962827,7.879893425396261 54.193915106244049,7.894541862896233 54.194647528119134,7.900645378521233 54.190680242962827,7.904185417583761 54.180426336712856))"
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compare_wkt_from_wkt(wkt,1)
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def test_wkt_collection_flattening():
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raise Todo("fixme or remove test")
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# currently fails as the MULTIPOLYGON inside will be returned as multiple polygons - not a huge deal - should we worry?
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wkt = "GEOMETRYCOLLECTION(POLYGON((1 1,2 1,2 2,1 2,1 1)),MULTIPOLYGON(((40 40,20 45,45 30,40 40)),((20 35,45 20,30 5,10 10,10 30,20 35),(30 20,20 25,20 15,30 20))),LINESTRING(2 3,3 4))"
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compare_wkt_from_wkt(wkt,4)
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# skip since this data is not checked into tests
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#def test_wkt_natural_earth():
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# '''
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# wget http://www.naturalearthdata.com/http//www.naturalearthdata.com/download/10m/physical/10m-land.zip
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# unzip 10m-land.zip
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# ogr2ogr -F CSV -lco GEOMETRY=AS_WKT 10m-land.csv 10m_land.shp
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# mv 10m-land.csv tests/data/csv/
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# '''
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# lines = open('../data/csv/10m-land.csv').readlines()
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# for line in lines:
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# wkt = lines[1][lines[1].index('"',0)+1:lines[1].index('"',1)]
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# wkt = wkt.replace(' (','(',1)
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# try:
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# compare_wkb_from_wkt(wkt)
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# except RuntimeError, e:
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# raise RuntimeError('%s %s' % (e, wkt))
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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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