import unittest
import simplejson as json
class TestEncodeForHTML(unittest.TestCase):
def setUp(self):
self.decoder = json.JSONDecoder()
self.encoder = json.JSONEncoderForHTML()
self.non_ascii_encoder = json.JSONEncoderForHTML(ensure_ascii=False)
def test_basic_encode(self):
self.assertEqual(r'"\u0026"', self.encoder.encode('&'))
self.assertEqual(r'"\u003c"', self.encoder.encode('<'))
self.assertEqual(r'"\u003e"', self.encoder.encode('>'))
self.assertEqual(r'"\u2028"', self.encoder.encode(u'\u2028'))
def test_non_ascii_basic_encode(self):
self.assertEqual(r'"\u0026"', self.non_ascii_encoder.encode('&'))
self.assertEqual(r'"\u003c"', self.non_ascii_encoder.encode('<'))
self.assertEqual(r'"\u003e"', self.non_ascii_encoder.encode('>'))
self.assertEqual(r'"\u2028"', self.non_ascii_encoder.encode(u'\u2028'))
def test_basic_roundtrip(self):
for char in '&<>':
self.assertEqual(
char, self.decoder.decode(
self.encoder.encode(char)))
def test_prevent_script_breakout(self):
bad_string = '</script><script>alert("gotcha")</script>'
self.assertEqual(
r'"\u003c/script\u003e\u003cscript\u003e'
r'alert(\"gotcha\")\u003c/script\u003e"',
self.encoder.encode(bad_string))
self.assertEqual(
bad_string, self.decoder.decode(
self.encoder.encode(bad_string)))
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