gistfile1.py

from twisted.trial import unittest
from twisted.python import log

class DummyObserver(object):
    
    def start(self):
        log.addObserver(self.emit)

    def stop(self):
        log.removeObserver(self.emit)
    
    def emit(self, eventDict):
        self.e = eventDict

class WeirdQuotes(unittest.TestCase):
    
    def setUp(self):
        self.o = DummyObserver()
        self.o.start()
    
    def test_msg(self):
        log.msg('foobar')
        self.assertEqual(self.o.e['message'], ('foobar',))
    
    def test_err(self):
        log.err('foobar')
        self.assertEqual(self.o.e['message'], ('foobar',))
    
    def tearDown(self):
        self.o.stop()