mapnik/tests/python_tests/geometry_wkb_test.py

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#encoding: utf8
from nose.tools import *
import os
from utilities import execution_path
import mapnik
wkts = [
[1,"POINT (30 10)"],
[1,"LINESTRING (30 10, 10 30, 40 40)"],
[1,"POLYGON ((30 10, 10 20, 20 40, 40 40, 30 10))"],
[1,"POLYGON ((35 10, 10 20, 15 40, 45 45, 35 10),(20 30, 35 35, 30 20, 20 30))"],
[4,"MULTIPOINT ((10 40), (40 30), (20 20), (30 10))"],
[2,"MULTILINESTRING ((10 10, 20 20, 10 40),(40 40, 30 30, 40 20, 30 10))"],
[2,"MULTIPOLYGON (((30 20, 10 40, 45 40, 30 20)),((15 5, 40 10, 10 20, 5 10, 15 5)))"],
[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)))"]
]
def compare_wkb_from_wkt(wkt,num):
f = mapnik.Feature(1)
f.add_geometries_from_wkt(wkt)
eq_(len(f.geometries()),num)
paths = mapnik.Path.from_wkt(wkt)
eq_(len(paths),num)
eq_(f.geometries()[0].to_wkb(),paths[0].to_wkb())
paths2 = mapnik.Path()
for path in paths:
paths2.add_wkb(path.to_wkb())
eq_(len(paths2),num)
eq_(f.geometries()[0].to_wkb(),paths2[0].to_wkb())
def test_point():
for wkt in wkts:
try:
compare_wkb_from_wkt(wkt[1],wkt[0])
except RuntimeError, e:
raise RuntimeError('%s %s' % (e, wkt))
if __name__ == "__main__":
[eval(run)() for run in dir() if 'test_' in run]