144 lines
4.5 KiB
Python
144 lines
4.5 KiB
Python
'''Test idlelib.help_about.
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Coverage: 100%
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'''
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from test.support import requires, findfile
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from tkinter import Tk, TclError
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import unittest
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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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from idlelib.help_about import AboutDialog as About
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from idlelib import textview
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class LiveDialogTest(unittest.TestCase):
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"""Simulate user clicking buttons other than [Close].
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Test that invoked textview has text from source.
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"""
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@classmethod
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def setUpClass(cls):
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requires('gui')
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cls.root = Tk()
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cls.root.withdraw()
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cls.dialog = About(cls.root, 'About IDLE', _utest=True)
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@classmethod
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def tearDownClass(cls):
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del cls.dialog
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cls.root.update_idletasks()
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cls.root.destroy()
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del cls.root
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def test_dialog_title(self):
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"""Test about dialog title"""
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self.assertEqual(self.dialog.title(), 'About IDLE')
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def test_printer_buttons(self):
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"""Test buttons whose commands use printer function."""
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dialog = self.dialog
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button_sources = [(self.dialog.py_license, license),
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(self.dialog.py_copyright, copyright),
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(self.dialog.py_credits, credits)]
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for button, printer in button_sources:
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printer._Printer__setup()
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button.invoke()
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self.assertEqual(
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printer._Printer__lines[0],
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dialog._current_textview.textView.get('1.0', '1.end'))
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self.assertEqual(
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printer._Printer__lines[1],
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dialog._current_textview.textView.get('2.0', '2.end'))
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dialog._current_textview.destroy()
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def test_file_buttons(self):
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"""Test buttons that display files."""
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dialog = self.dialog
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button_sources = [(self.dialog.readme, 'README.txt'),
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(self.dialog.idle_news, 'NEWS.txt'),
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(self.dialog.idle_credits, 'CREDITS.txt')]
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for button, filename in button_sources:
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button.invoke()
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fn = findfile(filename, subdir='idlelib')
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with open(fn) as f:
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self.assertEqual(
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f.readline().strip(),
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dialog._current_textview.textView.get('1.0', '1.end'))
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f.readline()
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self.assertEqual(f.readline().strip(),
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dialog._current_textview.textView.get('3.0', '3.end'))
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dialog._current_textview.destroy()
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class CloseTest(unittest.TestCase):
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"""Simulate user clicking [Close] button"""
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@classmethod
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def setUpClass(cls):
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requires('gui')
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cls.root = Tk()
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cls.root.withdraw()
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cls.dialog = About(cls.root, 'About IDLE', _utest=True)
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@classmethod
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def tearDownClass(cls):
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del cls.dialog
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cls.root.update_idletasks()
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cls.root.destroy()
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del cls.root
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def test_close(self):
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self.assertEqual(self.dialog.winfo_class(), 'Toplevel')
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self.dialog.button_ok.invoke()
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with self.assertRaises(TclError):
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self.dialog.winfo_class()
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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.show_idle_credits
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idle_readme = About.show_readme
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idle_news = About.show_idle_news
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# Called by the above
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display_file_text = About.display_file_text
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_utest = True
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class DisplayFileTest(unittest.TestCase):
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"""Test functions that display files.
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While somewhat redundant with gui-based test_file_dialog,
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these unit tests run on all buildbots, not just a few.
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"""
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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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@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_display(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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