Python code coverage for Lib/idlelib/idle_test/test_help_about.py

#	count	content
1	n/a	'''Test idlelib.help_about.
2	n/a
3	n/a	Coverage:
4	n/a	'''
5	n/a	from idlelib import help_about
6	n/a	from idlelib import textview
7	n/a	from idlelib.idle_test.mock_idle import Func
8	n/a	from idlelib.idle_test.mock_tk import Mbox_func
9	n/a	import unittest
10	n/a
11	n/a	About = help_about.AboutDialog
12	n/a	class Dummy_about_dialog():
13	n/a	# Dummy class for testing file display functions.
14	n/a	idle_credits = About.ShowIDLECredits
15	n/a	idle_readme = About.ShowIDLEAbout
16	n/a	idle_news = About.ShowIDLENEWS
17	n/a	# Called by the above
18	n/a	display_file_text = About.display_file_text
19	n/a
20	n/a
21	n/a	class DisplayFileTest(unittest.TestCase):
22	n/a	dialog = Dummy_about_dialog()
23	n/a
24	n/a	@classmethod
25	n/a	def setUpClass(cls):
26	n/a	cls.orig_error = textview.showerror
27	n/a	cls.orig_view = textview.view_text
28	n/a	cls.error = Mbox_func()
29	n/a	cls.view = Func()
30	n/a	textview.showerror = cls.error
31	n/a	textview.view_text = cls.view
32	n/a	cls.About = Dummy_about_dialog()
33	n/a
34	n/a	@classmethod
35	n/a	def tearDownClass(cls):
36	n/a	textview.showerror = cls.orig_error
37	n/a	textview.view_text = cls.orig_view
38	n/a
39	n/a	def test_file_isplay(self):
40	n/a	for handler in (self.dialog.idle_credits,
41	n/a	self.dialog.idle_readme,
42	n/a	self.dialog.idle_news):
43	n/a	self.error.message = ''
44	n/a	self.view.called = False
45	n/a	with self.subTest(handler=handler):
46	n/a	handler()
47	n/a	self.assertEqual(self.error.message, '')
48	n/a	self.assertEqual(self.view.called, True)
49	n/a
50	n/a
51	n/a	if __name__ == '__main__':
52	n/a	unittest.main(verbosity=2)