old_contents: """Tests for two-process terminal frontend
  
  Currently only has the most simple test possible, starting a console and running
  a single command.
  
  Authors:
  
  * Min RK
  """
  
  #-----------------------------------------------------------------------------
  # Imports
  #-----------------------------------------------------------------------------
  
  import sys
  import time
  
  import nose.tools as nt
  from nose import SkipTest
  
  import IPython.testing.tools as tt
  from IPython.testing import decorators as dec
  from IPython.utils import py3compat
  
  #-----------------------------------------------------------------------------
  # Tests
  #-----------------------------------------------------------------------------
  
  @dec.skip_win32
  def test_console_starts():
      """test that `ipython console` starts a terminal"""
      from IPython.external import pexpect
      
      args = ['console', '--colors=NoColor']
      # FIXME: remove workaround for 2.6 support
      if sys.version_info[:2] > (2,6):
          args = ['-m', 'IPython'] + args
          cmd = sys.executable
      else:
          cmd = 'ipython'
      
      try:
          p = pexpect.spawn(cmd, args=args)
      except IOError:
          raise SkipTest("Couldn't find command %s" % cmd)
      
      # timeout after one minute
      t = 60
      idx = p.expect([r'In \[\d+\]', pexpect.EOF], timeout=t)
      p.sendline('5')
      idx = p.expect([r'Out\[\d+\]: 5', pexpect.EOF], timeout=t)
      idx = p.expect([r'In \[\d+\]', pexpect.EOF], timeout=t)
      # send ctrl-D;ctrl-D to exit
      p.sendeof()
      p.sendeof()
      p.expect([pexpect.EOF, pexpect.TIMEOUT], timeout=t)
      if p.isalive():
          p.terminate()
  
  def test_help_output():
      """ipython console --help-all works"""
      tt.help_all_output_test('console')
  
  
  def test_display_text():
      "Ensure display protocol plain/text key is supported"
      # equivalent of:
      #
      #   x = %lsmagic
      #   from IPython.display import display; display(x);
  
      from IPython.external import pexpect
      
      args = ['console', '--colors=NoColor']
      # FIXME: remove workaround for 2.6 support
      if sys.version_info[:2] > (2,6):
          args = ['-m', 'IPython'] + args
          cmd = sys.executable
      else:
          cmd = 'ipython'
      
      try:
          p = pexpect.spawn(cmd, args=args)
      except IOError:
          raise SkipTest("Couldn't find command %s" % cmd)
      
      # timeout after one minute
      t = 60
      idx = p.expect([r'In \[\d+\]', pexpect.EOF], timeout=t)
      p.sendline('x = %lsmagic')
      idx = p.expect([r'In \[\d+\]', pexpect.EOF], timeout=t)
      p.sendline('from IPython.display import display; display(x);')
      p.expect([r'Available line magics:', pexpect.EOF], timeout=t)
  
      # send ctrl-D;ctrl-D to exit
      p.sendeof()
      p.sendeof()
      p.expect([pexpect.EOF, pexpect.TIMEOUT], timeout=t)
      if p.isalive():
          p.terminate()
  
new_contents: """Tests for two-process terminal frontend
  
  Currently only has the most simple test possible, starting a console and running
  a single command.
  
  Authors:
  
  * Min RK
  """
  
  #-----------------------------------------------------------------------------
  # Imports
  #-----------------------------------------------------------------------------
  
  import sys
  import time
  
  import nose.tools as nt
  from nose import SkipTest
  
  import IPython.testing.tools as tt
  from IPython.testing import decorators as dec
  from IPython.utils import py3compat
  
  #-----------------------------------------------------------------------------
  # Tests
  #-----------------------------------------------------------------------------
  
  @dec.skip_win32
  def test_console_starts():
      """test that `ipython console` starts a terminal"""
      p, pexpect, t = start_console()
      p.sendline('5')
      idx = p.expect([r'Out\[\d+\]: 5', pexpect.EOF], timeout=t)
      idx = p.expect([r'In \[\d+\]', pexpect.EOF], timeout=t)
      stop_console(p, pexpect, t)
  
  def test_help_output():
      """ipython console --help-all works"""
      tt.help_all_output_test('console')
  
  
  def test_display_text():
      "Ensure display protocol plain/text key is supported"
      # equivalent of:
      #
      #   x = %lsmagic
      #   from IPython.display import display; display(x);
      p, pexpect, t = start_console()
      p.sendline('x = %lsmagic')
      idx = p.expect([r'In \[\d+\]', pexpect.EOF], timeout=t)
      p.sendline('from IPython.display import display; display(x);')
      p.expect([r'Available line magics:', pexpect.EOF], timeout=t)
      stop_console(p, pexpect, t)
  
  def stop_console(p, pexpect, t):
      "Stop a running `ipython console` running via pexpect"
      # send ctrl-D;ctrl-D to exit
      p.sendeof()
      p.sendeof()
      p.expect([pexpect.EOF, pexpect.TIMEOUT], timeout=t)
      if p.isalive():
          p.terminate()
  
  
  def start_console():
      "Start `ipython console` using pexpect"
      from IPython.external import pexpect
      
      args = ['console', '--colors=NoColor']
      # FIXME: remove workaround for 2.6 support
      if sys.version_info[:2] > (2,6):
          args = ['-m', 'IPython'] + args
          cmd = sys.executable
      else:
          cmd = 'ipython'
      
      try:
          p = pexpect.spawn(cmd, args=args)
      except IOError:
          raise SkipTest("Couldn't find command %s" % cmd)
      
      # timeout after one minute
      t = 60
      idx = p.expect([r'In \[\d+\]', pexpect.EOF], timeout=t)
      return p, pexpect, t
  
subject: refactor starting and stopping pexpect