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#encoding: utf8
from nose.tools import *
import os,sys
import mapnik
from utilities import execution_path, run_all
try:
import json
except ImportError:
import simplejson as json
chars = [
{
"name":"single_quote",
"test": "string with ' quote",
"json": '{"type":"Feature","id":1,"geometry":null,"properties":{"name":"string with \' quote"}}'
},
{
"name":"escaped_single_quote",
"test":"string with \' quote",
"json":'{"type":"Feature","id":1,"geometry":null,"properties":{"name":"string with \' quote"}}'
},
{
"name":"double_quote",
"test":'string with " quote',
"json":'{"type":"Feature","id":1,"geometry":null,"properties":{"name":"string with \\" quote"}}'
},
{
"name":"double_quote2",
"test":"string with \" quote",
"json":'{"type":"Feature","id":1,"geometry":null,"properties":{"name":"string with \\" quote"}}'
},
{
"name":"reverse_solidus", # backslash
"test":"string with \\ quote",
"json":'{"type":"Feature","id":1,"geometry":null,"properties":{"name":"string with \\\ quote"}}'
},
{
"name":"solidus", # forward slash
"test":"string with / quote",
"json":'{"type":"Feature","id":1,"geometry":null,"properties":{"name":"string with / quote"}}'
},
{
"name":"backspace",
"test":"string with \b quote",
"json":'{"type":"Feature","id":1,"geometry":null,"properties":{"name":"string with \\b quote"}}'
},
{
"name":"formfeed",
"test":"string with \f quote",
"json":'{"type":"Feature","id":1,"geometry":null,"properties":{"name":"string with \\f quote"}}'
},
{
"name":"newline",
"test":"string with \n quote",
"json":'{"type":"Feature","id":1,"geometry":null,"properties":{"name":"string with \\n quote"}}'
},
{
"name":"carriage_return",
"test":"string with \r quote",
"json":'{"type":"Feature","id":1,"geometry":null,"properties":{"name":"string with \\r quote"}}'
},
{
"name":"horiztonal_tab",
"test":"string with \t quote",
"json":'{"type":"Feature","id":1,"geometry":null,"properties":{"name":"string with \\t quote"}}'
},
# remainder are c++ reserved, but not json
{
"name":"vert_tab",
"test":"string with \v quote",
"json":'{"type":"Feature","id":1,"geometry":null,"properties":{"name":"string with \\u000b quote"}}'
},
{
"name":"alert",
"test":"string with \a quote",
"json":'{"type":"Feature","id":1,"geometry":null,"properties":{"name":"string with \u0007 quote"}}'
}
]
ctx = mapnik.Context()
ctx.push('name')
def test_char_escaping():
for char in chars:
feat = mapnik.Feature(ctx,1)
expected = char['test']
feat["name"] = expected
eq_(feat["name"],expected)
# confirm the python json module
# is working as we would expect
pyjson2 = json.loads(char['json'])
eq_(pyjson2['properties']['name'],expected)
# confirm our behavior is the same as python json module
# for the original string
geojson_feat_string = feat.to_geojson()
eq_(geojson_feat_string,char['json'],"Mapnik's json escaping is not to spec: actual(%s) and expected(%s)" % (geojson_feat_string,char['json']))
# and the round tripped string
pyjson = json.loads(geojson_feat_string)
eq_(pyjson['properties']['name'],expected)
if __name__ == "__main__":
run_all(eval(x) for x in dir() if x.startswith("test_"))
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