45 lines
1.3 KiB
Python
45 lines
1.3 KiB
Python
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#encoding: utf8
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import itertools
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import unittest
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from utilities import Todo
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class MemoryDatasource(unittest.TestCase):
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ids = itertools.count(0)
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def makeOne(self, *args, **kw):
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from mapnik2 import MemoryDatasource
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return MemoryDatasource(*args, **kw)
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def makeFeature(self, geom, **properties):
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from mapnik2 import Feature
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f = Feature(self.ids.next())
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f.add_geometry(geom.wkb)
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for k,v in properties.iteritems():
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f[k] = v
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return f
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def test_default_constructor(self):
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f = self.makeOne()
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self.failUnless(f is not None)
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def test_add_feature(self):
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try:
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from shapely.geometry import Point
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except ImportError:
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raise Todo("Make this test not dependant on shapely")
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md = self.makeOne()
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self.failUnlessEqual(md.num_features(), 0)
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md.add_feature(self.makeFeature(Point(2,3), foo='bar'))
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self.failUnlessEqual(md.num_features(), 1)
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from mapnik2 import Coord
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retrieved = md.features_at_point(Coord(2,3)).features
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self.failUnlessEqual(len(retrieved), 1)
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f = retrieved[0]
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self.failUnlessEqual(f['foo'], 'bar')
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retrieved = md.features_at_point(Coord(20,30)).features
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self.failUnlessEqual(len(retrieved), 0)
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