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EDIT :: test_helpabout.py

'''Test idlelib.help_about. Coverage: ''' from idlelib import aboutDialog as help_about from idlelib import textView as textview from idlelib.idle_test.mock_idle import Func from idlelib.idle_test.mock_tk import Mbox import unittest About = help_about.AboutDialog class Dummy_about_dialog(): # Dummy class for testing file display functions. idle_credits = About.ShowIDLECredits.im_func idle_readme = About.ShowIDLEAbout.im_func idle_news = About.ShowIDLENEWS.im_func # Called by the above display_file_text = About.display_file_text.im_func class DisplayFileTest(unittest.TestCase): "Test that .txt files are found and properly decoded." dialog = Dummy_about_dialog() @classmethod def setUpClass(cls): cls.orig_mbox = textview.tkMessageBox cls.orig_view = textview.view_text cls.mbox = Mbox() cls.view = Func() textview.tkMessageBox = cls.mbox textview.view_text = cls.view cls.About = Dummy_about_dialog() @classmethod def tearDownClass(cls): textview.tkMessageBox = cls.orig_mbox textview.view_text = cls.orig_view.im_func def test_file_isplay(self): for handler in (self.dialog.idle_credits, self.dialog.idle_readme, self.dialog.idle_news): self.mbox.showerror.message = '' self.view.called = False handler() self.assertEqual(self.mbox.showerror.message, '') self.assertEqual(self.view.called, True) if __name__ == '__main__': unittest.main(verbosity=2)

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