102 lines
3.5 KiB
Python
102 lines
3.5 KiB
Python
#encoding: utf8
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import itertools
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import unittest
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from nose.tools import *
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import mapnik2
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from binascii import unhexlify
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from utilities import Todo
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class FeatureTest(unittest.TestCase):
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def makeOne(self, *args, **kw):
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return mapnik2.Feature(*args, **kw)
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def test_default_constructor(self):
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f = self.makeOne(1)
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self.failUnless(f is not None)
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def test_python_extended_constructor(self):
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f = self.makeOne(1, 'POLYGON ((35 10, 10 20, 15 40, 45 45, 35 10),(20 30, 35 35, 30 20, 20 30))', foo="bar")
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self.failUnlessEqual(f['foo'], 'bar')
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self.failUnlessEqual(f.envelope(),mapnik2.Box2d(10.0,10.0,45.0,45.0))
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def test_set_get_properties(self):
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f = self.makeOne(1)
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counter = itertools.count(0)
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def test_val(expected):
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key = 'prop%d'%counter.next()
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try:
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f[key] = expected
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except TypeError:
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self.fail("%r (%s)"%(expected, type(expected)))
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self.failUnlessEqual(f[key], expected)
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for v in (1, True, 1.4, "foo", u"avión"):
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test_val(v)
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def test_add_wkt_geometry(self):
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def add_geom_wkt(wkt):
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f = self.makeOne(1)
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self.failUnlessEqual(len(f.geometries()), 0)
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f.add_geometries_from_wkt(wkt)
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self.failUnlessEqual(len(f.geometries()), 3)
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e = mapnik2.Box2d()
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self.failUnlessEqual(e.valid(), False)
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for g in f.geometries():
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if not e.valid():
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e = g.envelope()
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else:
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e +=g.envelope()
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self.failUnlessEqual(e, f.envelope())
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def add_geom_wkb(wkb):
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f = self.makeOne(1)
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self.failUnlessEqual(len(f.geometries()), 0)
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f.add_geometries_from_wkb(unhexlify(wkb))
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self.failUnlessEqual(len(f.geometries()), 1)
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e = mapnik2.Box2d()
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self.failUnlessEqual(e.valid(), False)
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for g in f.geometries():
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if not e.valid():
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e = g.envelope()
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else:
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e +=g.envelope()
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self.failUnlessEqual(e, f.envelope())
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def run() :
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add_geom_wkt('GEOMETRYCOLLECTION(POINT(4 6),LINESTRING(4 6,7 10),POLYGON ((30 10, 10 20, 20 40, 40 40, 30 10)))')
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add_geom_wkb('010300000001000000050000000000000000003e4000000000000024400000000000002440000000000000344000000000000034400000000000004440000000000000444000000000000044400000000000003e400000000000002440') # POLYGON ((30 10, 10 20, 20 40, 40 40, 30 10))
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run()
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def test_feature_expression_evaluation():
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f = mapnik2.Feature(1)
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f['name'] = 'a'
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expr = mapnik2.Expression("[name]='a'")
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evaluated = expr.evaluate(f)
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eq_(evaluated,True)
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num_attributes = len(f)
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eq_(num_attributes,1)
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eq_(f.id(),1)
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# https://github.com/mapnik/mapnik/issues/933
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def test_feature_expression_evaluation_missing_attr():
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f = mapnik2.Feature(1)
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f['name'] = 'a'
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expr = mapnik2.Expression("[fielddoesnotexist]='a'")
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evaluated = expr.evaluate(f)
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eq_(evaluated,True)
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num_attributes = len(f)
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eq_(num_attributes,1)
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eq_(f.id(),1)
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# https://github.com/mapnik/mapnik/issues/934
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def test_feature_expression_evaluation_attr_with_spaces():
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f = mapnik2.Feature(1)
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f['name with space'] = 'a'
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expr = mapnik2.Expression("[name with space]='a'")
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eq_(expr.evaluate(f),True)
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if __name__ == "__main__":
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[eval(run)() for run in dir() if 'test_' in run]
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