text: #!/usr/bin/env python
  #
  # Copyright (c) 2001 - 2016 The SCons Foundation
  #
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  __revision__ = "test/Configure/Streamer1.py rel_2.5.1:3735:9dc6cee5c168 2016/11/03 14:02:02 bdbaddog"
  
  """
  Test for BitBucket PR 126:
  
  SConf doesn't work well with 'io' module on pre-3.0 Python. This is because
  io.StringIO (used by SCons.SConf.Streamer) accepts only unicode strings.
  Non-unicode input causes it to raise an exception.
  """
  
  import TestSCons
  
  test = TestSCons.TestSCons()
  
  test.write('SConstruct', """
  # SConstruct
  #
  # The CheckHello should return 'yes' if everything works fine. Otherwise it
  # returns 'failed'.
  #
  def hello(target, source, env):
    import traceback
    try:
      print 'hello!\\n' # this breaks the script
      with open(env.subst('$TARGET', target = target),'w') as f:
        f.write('yes')
    except:
      # write to file, as stdout/stderr is broken
      traceback.print_exc(file=open('traceback','w'))
    return 0
  
  def CheckHello(context):
    import sys
    context.Display('Checking whether hello works... ')
    stat,out = context.TryAction(hello,'','.in')
    if stat and out:
      context.Result(out)
    else:
      context.Result('failed')
    return out
  
  env = Environment()
  cfg = Configure(env)
  
  cfg.AddTest('CheckHello', CheckHello)
  cfg.CheckHello()
  
  env = cfg.Finish()
  """)
  
  test.run(arguments = '.')
  test.must_contain_all_lines(test.stdout(), ['Checking whether hello works... yes'])
  test.must_not_exist('traceback')
  
  test.pass_test()
  
  # Local Variables:
  # tab-width:4
  # indent-tabs-mode:nil
  # End:
  # vim: set expandtab tabstop=4 shiftwidth=4:
  