def test_terminal(self): 

->     session = self.mainsession(datadir / 'filetest.py')

       out = self.file.getvalue() 

       l = session.getitemoutcomepairs(Failed)

       assert len(l) == 2

       assert out.find('2 failed') != -1 

   def mainsession(self, *args): 

       from py.__.test.terminal.terminal import TerminalSession

       self.file = py.std.StringIO.StringIO() 

       config = py.test.config._reparse(list(args))

       session = TerminalSession(config, file=self.file) 

->     session.main()

       return session

   def main(self): 

       """ main loop for running tests. """

       colitems = self.config.getcolitems()

       try:

           self.header(colitems) 

           try:

               try:

                   for colitem in colitems: 

                       self.runtraced(colitem)

               except KeyboardInterrupt: 

                   raise 

           finally: 

->             self.footer(colitems) 

       except Exit, ex:

           pass

       return self.getitemoutcomepairs(Failed)

   def footer(self, colitems):

->     super(TerminalSession, self).footer(colitems) 

       self.endtime = now()

       self.out.line() 

       self.skippedreasons()

       self.failures()

       self.summaryline()

   def footer(self, colitems):

       """ teardown any resources after a test run. """ 

->     py.test.collect.Function._state.teardown_all()

       if not self.config.option.nomagic:

           py.magic.revoke(assertion=1)

   def teardown_all(self): 

       while self.stack: 

           col = self.stack.pop() 

->         col.teardown()