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#encoding: utf8
import itertools
import unittest
from utilities import Todo
class MemoryDatasource(unittest.TestCase):
ids = itertools.count(0)
def makeOne(self, *args, **kw):
from mapnik2 import MemoryDatasource
return MemoryDatasource(*args, **kw)
def makeFeature(self, wkt, **properties):
from mapnik2 import Feature
f = Feature(self.ids.next())
f.add_geometries_from_wkt(wkt)
for k,v in properties.iteritems():
f[k] = v
return f
def test_default_constructor(self):
f = self.makeOne()
self.failUnless(f is not None)
def test_add_feature(self):
md = self.makeOne()
self.failUnlessEqual(md.num_features(), 0)
md.add_feature(self.makeFeature('Point(2 3)', foo='bar'))
self.failUnlessEqual(md.num_features(), 1)
from mapnik2 import Coord
retrieved = md.features_at_point(Coord(2,3)).features
self.failUnlessEqual(len(retrieved), 1)
f = retrieved[0]
self.failUnlessEqual(f['foo'], 'bar')
retrieved = md.features_at_point(Coord(20,30)).features
self.failUnlessEqual(len(retrieved), 0)
if __name__ == "__main__":
[eval(run)() for run in dir() if 'test_' in run]
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