paula.app.testing/src/paula/app/testing/interact.py

   1 #
   2 # Copyright 2008, BlueDynamics Alliance, Austria - http://bluedynamics.com
   3 #
   4 # GNU General Public Licence Version 2 or later - see LICENCE.GPL
   5
   6 __author__ = """Jens Klein <jens@bluedynamics.com>"""
   7 __docformat__ = 'plaintext'
   8
   9 import code
  10 import sys
  11
  12 def interact(locals=None):
  13     """Provides an interactive shell aka console inside your testcase.
  14
  15     It looks exact like in a doctestcase and you can copy and paste
  16     code from the shell into your doctest. The locals in the testcase are
  17     available, because you are _in_ the testcase.
  18
  19     In your testcase or doctest you can invoke the shell at any point by
  20     calling::
  21
  22         >>> interact( locals() )
  23
  24     locals -- passed to InteractiveInterpreter.__init__()
  25     """
  26     savestdout = sys.stdout
  27     sys.stdout = sys.stderr
  28     sys.stderr.write('\n'+'='*75)
  29     console = code.InteractiveConsole(locals)
  30     console.interact("""
  31 DocTest Interactive Console - (c) BlueDynamics Alliance, Austria, 2006-2008
  32 Note: You have the same locals available as in your test-case.
  33 Ctrl-D ends session and continues testing.
  34 """)
  35     sys.stdout.write('\nend of DocTest Interactive Console session\n')
  36     sys.stdout.write('='*75+'\n')
  37     sys.stdout = savestdout