# -*- coding: UTF-8 -*-
"""
    Encoding tests.
"""

from plone.app.testing import PLONE_INTEGRATION_TESTING
import unittest


class TestEncoding(unittest.TestCase):

    layer = PLONE_INTEGRATION_TESTING

    def test_encoding(self):
        r"""
        Test message encoding:

          >>> from Products.statusmessages.message import Message
          >>> from Products.statusmessages.message import decode

          >>> m = Message(u'spam', u'eggs')
          >>> m.encode()
          '\x00\x84spameggs'

          >>> decode(m.encode())[0] == m
          True

          >>> m = Message(u'spam')
          >>> m.encode()
          '\x00\x80spam'

          >>> decode(m.encode())[0] == m
          True
        """

    def test_decoding(self):
        r"""
        Test message decoding:

          >>> from Products.statusmessages.message import Message
          >>> from Products.statusmessages.message import decode

        Craft a wrong value:

          >>> m, rem = decode('\x01\x84spameggs')
          >>> m.message, m.type
          (u'spameggs', u'')

          >>> rem
          ''

        Craft another wrong value:

          >>> m, rem = decode('\x00\x24spameggs')
          >>> m.message, m.type
          (u's', u'pame')

          >>> rem
          'ggs'

        And another wrong value:

          >>> m, rem = decode('\x00spameggs')
          >>> m.message, m.type
          (u'pam', u'eggs')

          >>> rem
          ''

        And yet another wrong value:

          >>> m, rem = decode('')
          >>> m is None, rem is ''
          (True, True)
        """