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#!/usr/bin/env python
# -*- coding: utf-8 -*-
import os
from nose.tools import assert_almost_equal, eq_, raises
from nose.plugins.skip import SkipTest
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 'shape' in mapnik.DatasourceCache.plugin_names():
# Shapefile initialization
def test_shapefile_init():
if not os.path.exists('../data/shp/boundaries'):
raise SkipTest
s = mapnik.Shapefile(file='../data/shp/boundaries')
e = s.envelope()
assert_almost_equal(e.minx, -11121.6896651, places=7)
assert_almost_equal(e.miny, -724724.216526, places=6)
assert_almost_equal(e.maxx, 2463000.67866, places=5)
assert_almost_equal(e.maxy, 1649661.267, places=3)
# Shapefile properties
def test_shapefile_properties():
if not os.path.exists('../data/shp/boundaries'):
raise SkipTest
s = mapnik.Shapefile(file='../data/shp/boundaries', encoding='latin1')
f = list(s.features_at_point(s.envelope().center()))[0]
eq_(f['CGNS_FID'], u'6f733341ba2011d892e2080020a0f4c9')
eq_(f['COUNTRY'], u'CAN')
eq_(f['F_CODE'], u'FA001')
eq_(f['NAME_EN'], u'Quebec')
# this seems to break if icu data linking is not working
eq_(f['NOM_FR'], u'Qu\xe9bec')
eq_(f['NOM_FR'], u'Québec')
eq_(f['Shape_Area'], 1512185733150.0)
eq_(f['Shape_Leng'], 19218883.724300001)
@raises(RuntimeError)
def test_that_nonexistant_query_field_throws(**kwargs):
if not os.path.exists('../data/shp/world_merc'):
raise SkipTest
ds = mapnik.Shapefile(file='../data/shp/world_merc')
eq_(len(ds.fields()), 11)
eq_(ds.fields(), ['FIPS', 'ISO2', 'ISO3', 'UN', 'NAME',
'AREA', 'POP2005', 'REGION', 'SUBREGION', 'LON', 'LAT'])
eq_(ds.field_types(),
['str',
'str',
'str',
'int',
'str',
'int',
'int',
'int',
'int',
'float',
'float'])
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_dbf_logical_field_is_boolean():
if not os.path.exists('../data/shp/long_lat'):
raise SkipTest
ds = mapnik.Shapefile(file='../data/shp/long_lat')
eq_(len(ds.fields()), 7)
eq_(ds.fields(), ['LONG', 'LAT', 'LOGICAL_TR',
'LOGICAL_FA', 'CHARACTER', 'NUMERIC', 'DATE'])
eq_(ds.field_types(), ['str', 'str',
'bool', 'bool', 'str', 'float', 'str'])
query = mapnik.Query(ds.envelope())
for fld in ds.fields():
query.add_property_name(fld)
feat = list(ds.all_features())[0]
eq_(feat.id(), 1)
eq_(feat['LONG'], '0')
eq_(feat['LAT'], '0')
eq_(feat['LOGICAL_TR'], True)
eq_(feat['LOGICAL_FA'], False)
eq_(feat['CHARACTER'], '254')
eq_(feat['NUMERIC'], 32)
eq_(feat['DATE'], '20121202')
# created by hand in qgis 1.8.0
def test_shapefile_point2d_from_qgis():
if not os.path.exists('../data/shp/points/qgis.shp'):
raise SkipTest
ds = mapnik.Shapefile(file='../data/shp/points/qgis.shp')
eq_(len(ds.fields()), 2)
eq_(ds.fields(), ['id', 'name'])
eq_(ds.field_types(), ['int', 'str'])
eq_(len(list(ds.all_features())), 3)
# ogr2ogr tests/data/shp/3dpoint/ogr_zfield.shp
# tests/data/shp/3dpoint/qgis.shp -zfield id
def test_shapefile_point_z_from_qgis():
if not os.path.exists('../data/shp/points/ogr_zfield.shp'):
raise SkipTest
ds = mapnik.Shapefile(file='../data/shp/points/ogr_zfield.shp')
eq_(len(ds.fields()), 2)
eq_(ds.fields(), ['id', 'name'])
eq_(ds.field_types(), ['int', 'str'])
eq_(len(list(ds.all_features())), 3)
def test_shapefile_multipoint_from_qgis():
if not os.path.exists('../data/shp/points/qgis_multi.shp'):
raise SkipTest
ds = mapnik.Shapefile(file='../data/shp/points/qgis_multi.shp')
eq_(len(ds.fields()), 2)
eq_(ds.fields(), ['id', 'name'])
eq_(ds.field_types(), ['int', 'str'])
eq_(len(list(ds.all_features())), 1)
# pointzm from arcinfo
def test_shapefile_point_zm_from_arcgis():
if not os.path.exists('../data/shp/points/poi.shp'):
raise SkipTest
ds = mapnik.Shapefile(file='../data/shp/points/poi.shp')
eq_(len(ds.fields()), 7)
eq_(ds.fields(),
['interst_id',
'state_d',
'cnty_name',
'latitude',
'longitude',
'Name',
'Website'])
eq_(ds.field_types(), ['str', 'str',
'str', 'float', 'float', 'str', 'str'])
eq_(len(list(ds.all_features())), 17)
# copy of the above with ogr2ogr that makes m record 14 instead of 18
def test_shapefile_point_zm_from_ogr():
if not os.path.exists('../data/shp/points/poi_ogr.shp'):
raise SkipTest
ds = mapnik.Shapefile(file='../data/shp/points/poi_ogr.shp')
eq_(len(ds.fields()), 7)
eq_(ds.fields(),
['interst_id',
'state_d',
'cnty_name',
'latitude',
'longitude',
'Name',
'Website'])
eq_(ds.field_types(), ['str', 'str',
'str', 'float', 'float', 'str', 'str'])
eq_(len(list(ds.all_features())), 17)
if __name__ == "__main__":
setup()
exit(run_all(eval(x) for x in dir() if x.startswith("test_")))
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