8000 bpo-30290: IDLE test_help_about: edit and add test. by terryjreedy · Pull Request #1838 · python/cpython · GitHub
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bpo-30290: IDLE test_help_about: edit and add test. #1838

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merged 1 commit into from
May 28, 2017
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bpo-30290: IDLE test_help_about: edit and add test. #1838

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122 changes: 75 additions & 47 deletions Lib/idlelib/idle_test/test_help_about.py
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Original file line number Diff line number Diff line change
@@ -1,31 +1,23 @@
'''Test idlelib.help_about.

Coverage:
Coverage: 100%
'''
from idlelib import help_about
from idlelib import textview
from idlelib.idle_test.mock_idle import Func
from idlelib.idle_test.mock_tk import Mbox_func
from test.support import requires, findfile
requires('gui')
from tkinter import Tk
from tkinter import Tk, TclError
import unittest
from idlelib.idle_test.mock_idle import Func
from idlelib.idle_test.mock_tk import Mbox_func
from idlelib.help_about import AboutDialog as About
from idlelib import textview

class LiveDialogTest(unittest.TestCase):
"""Simulate user clicking buttons other than [Close].

About = help_about.AboutDialog
class Dummy_about_dialog():
# Dummy class for testing file display functions.
idle_credits = About.show_idle_credits
idle_readme = About.show_readme
idle_news = About.show_idle_news
# Called by the above
display_file_text = About.display_file_text
_utest = True


class AboutDialogTest(unittest.TestCase):
Test that invoked textview has text from source.
"""
@classmethod
def setUpClass(cls):
requires('gui')
cls.root = Tk()
cls.root.withdraw()
cls.dialog = About(cls.root, 'About IDLE', _utest=True)
Expand All @@ -37,51 +29,88 @@ def tearDownClass(cls):
cls.root.destroy()
del cls.root

def tearDown(self):
if self.dialog._current_textview:
self.dialog._current_textview.destroy()

def test_dialog_title(self):
"""This will test about dialog title"""
"""Test about dialog title"""
self.assertEqual(self.dialog.title(), 'About IDLE')

def test_printer_dialog(self):
"""This will test dialog which using printer"""
buttons = [(license, self.dialog.py_license),
(copyright, self.dialog.py_copyright),
(credits, self.dialog.py_credits)]
def test_printer_buttons(self):
"""Test buttons whose commands use printer function."""
dialog = self.dialog
button_sources = [(self.dialog.py_license, license),
(self.dialog.py_copyright, copyright),
(self.dialog.py_credits, credits)]

for printer, button in buttons:
dialog = self.dialog
for button, printer in button_sources:
printer._Printer__setup()
button.invoke()
self.assertEqual(printer._Printer__lines[0],
dialog._current_textview.textView.get('1.0', '1.end'))
self.assertEqual(printer._Printer__lines[1],
dialog._current_textview.textView.get('2.0', '2.end'))

self.assertEqual(
printer._Printer__lines[0],
dialog._current_textview.textView.get('1.0', '1.end'))
self.assertEqual(
printer._Printer__lines[1],
dialog._current_textview.textView.get('2.0', '2.end'))
dialog._current_textview.destroy()

def test_file_dialog(self):
"""This will test dialog which using file"""
buttons = [('README.txt', self.dialog.readme),
('NEWS.txt', self.dialog.idle_news),
('CREDITS.txt', self.dialog.idle_credits)]
def test_file_buttons(self):
"""Test buttons that display files."""
dialog = self.dialog
button_sources = [(self.dialog.readme, 'README.txt'),
(self.dialog.idle_news, 'NEWS.txt'),
(self.dialog.idle_credits, 'CREDITS.txt')]

for filename, button in buttons:
dialog = self.dialog
for button, filename in button_sources:
button.invoke()
fn = findfile(filename, subdir='idlelib')
with open(fn) as f:
self.assertEqual(f.readline().strip(),
dialog._current_textview.textView.get('1.0', '1.end'))
self.assertEqual(
f.readline().strip(),
dialog._current_textview.textView.get('1.0', '1.end'))
f.readline()
self.assertEqual(f.readline().strip(),
dialog._current_textview.textView.get('3.0', '3.end'))
dialog._current_textview.destroy()


class CloseTest(unittest.TestCase):
"""Simulate user clicking [Close] button"""

@classmethod
def setUpClass(cls):
requires('gui')
cls.root = Tk()
cls.root.withdraw()
cls.dialog = About(cls.root, 'About IDLE', _utest=True)

@classmethod
def tearDownClass(cls):
del cls.dialog
cls.root.update_idletasks()
cls.root.destroy()
del cls.root

def test_close(self):
self.assertEqual(self.dialog.winfo_class(), 'Toplevel')
self.dialog.button_ok.invoke()
with self.assertRaises(TclError):
self.dialog.winfo_class()


class Dummy_about_dialog():
# Dummy class for testing file display functions.
idle_credits = About.show_idle_credits
idle_readme = About.show_readme
idle_news = About.show_idle_news
# Called by the above
display_file_text = About.display_file_text
_utest = True


class DisplayFileTest(unittest.TestCase):
"""Test functions that display files.

While somewhat redundant with gui-based test_file_dialog,
these unit tests run on all buildbots, not just a few.
"""
dialog = Dummy_about_dialog()

@classmethod
Expand All @@ -92,14 +121,13 @@ def setUpClass(cls):
cls.view = Func()
textview.showerror = cls.error
textview.view_text = cls.view
cls.About = Dummy_about_dialog()

@classmethod
def tearDownClass(cls):
textview.showerror = cls.orig_error
textview.view_text = cls.orig_view

def test_file_isplay(self):
def test_file_display(self):
for handler in (self.dialog.idle_credits,
self.dialog.idle_readme,
self.dialog.idle_news):
Expand Down
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