text: # This file is part of Buildbot.  Buildbot is free software: you can
  # redistribute it and/or modify it under the terms of the GNU General Public
  # License as published by the Free Software Foundation, version 2.
  #
  # This program is distributed in the hope that it will be useful, but WITHOUT
  # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  # FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
  # details.
  #
  # You should have received a copy of the GNU General Public License along with
  # this program; if not, write to the Free Software Foundation, Inc., 51
  # Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  #
  # Copyright Buildbot Team Members
  
  import mock
  import cStringIO
  from twisted.trial import unittest
  from twisted.internet import defer
  from buildbot.status import logfile
  
  class TestLogFileProducer(unittest.TestCase):
      def make_static_logfile(self, contents):
          "make a fake logfile with the given contents"
          lf = mock.Mock()
          lf.getFile = lambda : cStringIO.StringIO(contents)
          lf.waitUntilFinished = lambda : defer.succeed(None) # already finished
          lf.runEntries = []
          return lf
  
      def test_getChunks_static_helloworld(self):
          lf = self.make_static_logfile("13:0hello world!,")
          lfp = logfile.LogFileProducer(lf, mock.Mock())
          chunks = list(lfp.getChunks())
          self.assertEqual(chunks, [ (0, 'hello world!') ])
  
      def test_getChunks_static_multichannel(self):
          lf = self.make_static_logfile("2:0a,3:1xx,2:0c,")
          lfp = logfile.LogFileProducer(lf, mock.Mock())
          chunks = list(lfp.getChunks())
          self.assertEqual(chunks, [ (0, 'a'), (1, 'xx'), (0, 'c') ])
  
      # Remainder of LogFileProduer has a wacky interface that's not
      # well-defined, so it's not tested yet
  