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      1 '''Test idlelib.help.
      2 
      3 Coverage: 87%
      4 '''
      5 from idlelib import help
      6 from test.support import requires
      7 requires('gui')
      8 from os.path import abspath, dirname, join
      9 from tkinter import Tk
     10 import unittest
     11 
     12 class HelpFrameTest(unittest.TestCase):
     13 
     14     @classmethod
     15     def setUpClass(cls):
     16         "By itself, this tests that file parsed without exception."
     17         cls.root = root = Tk()
     18         root.withdraw()
     19         helpfile = join(dirname(dirname(abspath(__file__))), 'help.html')
     20         cls.frame = help.HelpFrame(root, helpfile)
     21 
     22     @classmethod
     23     def tearDownClass(cls):
     24         del cls.frame
     25         cls.root.update_idletasks()
     26         cls.root.destroy()
     27         del cls.root
     28 
     29     def test_line1(self):
     30         text = self.frame.text
     31         self.assertEqual(text.get('1.0', '1.end'), ' IDLE ')
     32 
     33 if __name__ == '__main__':
     34     unittest.main(verbosity=2)
     35