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#!/usr/bin/env python
# -*- coding: utf-8 -*-
import os
from nose.tools import eq_
import mapnik
from .utilities import execution_path, run_all
def setup():
# All of the paths used are relative, if we run the tests
# from another directory we need to chdir()
os.chdir(execution_path('.'))
if 'osm' in mapnik.DatasourceCache.plugin_names():
# osm initialization
def test_osm_init():
ds = mapnik.Osm(file='../data/osm/nodes.osm')
e = ds.envelope()
# these are hardcoded in the plugin… ugh
eq_(e.minx >= -180.0, True)
eq_(e.miny >= -90.0, True)
eq_(e.maxx <= 180.0, True)
eq_(e.maxy <= 90, True)
def test_that_nonexistant_query_field_throws(**kwargs):
ds = mapnik.Osm(file='../data/osm/nodes.osm')
eq_(len(ds.fields()), 0)
query = mapnik.Query(ds.envelope())
for fld in ds.fields():
query.add_property_name(fld)
# also add an invalid one, triggering throw
query.add_property_name('bogus')
ds.features(query)
def test_that_64bit_int_fields_work():
ds = mapnik.Osm(file='../data/osm/64bit.osm')
eq_(len(ds.fields()), 4)
eq_(ds.fields(), ['bigint', 'highway', 'junction', 'note'])
eq_(ds.field_types(), ['str', 'str', 'str', 'str'])
fs = ds.featureset()
feat = fs.next()
eq_(feat.to_geojson(
), '{"type":"Feature","id":890,"geometry":{"type":"Point","coordinates":[-61.7960248,17.1415874]},"properties":{}}')
eq_(feat.id(), 4294968186)
eq_(feat['bigint'], None)
feat = fs.next()
eq_(feat['bigint'], '9223372036854775807')
def test_reading_ways():
ds = mapnik.Osm(file='../data/osm/ways.osm')
eq_(len(ds.fields()), 0)
eq_(ds.fields(), [])
eq_(ds.field_types(), [])
feat = ds.all_features()[4]
eq_(feat.to_geojson(
), '{"type":"Feature","id":1,"geometry":{"type":"LineString","coordinates":[[0,2],[0,-2]]},"properties":{}}')
eq_(feat.id(), 1)
if __name__ == "__main__":
setup()
exit(run_all(eval(x) for x in dir() if x.startswith("test_")))
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