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52 lines
1.5 KiB
Python
52 lines
1.5 KiB
Python
'''Test idlelib.help_about.
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Coverage:
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'''
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from idlelib import help_about
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from idlelib import textview
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from idlelib.idle_test.mock_idle import Func
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from idlelib.idle_test.mock_tk import Mbox_func
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import unittest
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About = help_about.AboutDialog
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class Dummy_about_dialog():
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# Dummy class for testing file display functions.
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idle_credits = About.ShowIDLECredits
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idle_readme = About.ShowIDLEAbout
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idle_news = About.ShowIDLENEWS
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# Called by the above
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display_file_text = About.display_file_text
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class DisplayFileTest(unittest.TestCase):
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dialog = Dummy_about_dialog()
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@classmethod
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def setUpClass(cls):
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cls.orig_error = textview.showerror
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cls.orig_view = textview.view_text
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cls.error = Mbox_func()
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cls.view = Func()
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textview.showerror = cls.error
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textview.view_text = cls.view
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cls.About = Dummy_about_dialog()
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@classmethod
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def tearDownClass(cls):
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textview.showerror = cls.orig_error
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textview.view_text = cls.orig_view
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def test_file_isplay(self):
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for handler in (self.dialog.idle_credits,
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self.dialog.idle_readme,
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self.dialog.idle_news):
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self.error.message = ''
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self.view.called = False
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with self.subTest(handler=handler):
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handler()
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self.assertEqual(self.error.message, '')
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self.assertEqual(self.view.called, True)
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if __name__ == '__main__':
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unittest.main(verbosity=2)
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