bpo-32826: Add "encoding=utf-8" to open() in idle_test/test_help_about. (GH-5639)

GUI test test_file_buttons() only looks at initial ascii-only lines,
but failed on systems where open() defaults to 'ascii' because
readline() internally reads and decodes far enough ahead to encounter
a non-ascii character in CREDITS.txt.
(cherry picked from commit f34e03ec0e)

Co-authored-by: Terry Jan Reedy <tjreedy@udel.edu>
This commit is contained in:
Miss Islington (bot) 2018-02-12 12:53:50 -08:00 committed by GitHub
parent a1d33f7425
commit 46daf39453
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2 changed files with 30 additions and 23 deletions

View file

@ -50,35 +50,37 @@ class LiveDialogTest(unittest.TestCase):
def test_printer_buttons(self):
"""Test buttons whose commands use printer function."""
dialog = self.dialog
button_sources = [(dialog.py_license, license),
(dialog.py_copyright, copyright),
(dialog.py_credits, credits)]
button_sources = [(dialog.py_license, license, 'license'),
(dialog.py_copyright, copyright, 'copyright'),
(dialog.py_credits, credits, 'credits')]
for button, printer in button_sources:
printer._Printer__setup()
button.invoke()
get = dialog._current_textview.viewframe.textframe.text.get
self.assertEqual(printer._Printer__lines[0], get('1.0', '1.end'))
self.assertEqual(
printer._Printer__lines[1], get('2.0', '2.end'))
dialog._current_textview.destroy()
for button, printer, name in button_sources:
with self.subTest(name=name):
printer._Printer__setup()
button.invoke()
get = dialog._current_textview.viewframe.textframe.text.get
lines = printer._Printer__lines
self.assertEqual(lines[0], get('1.0', '1.end'))
self.assertEqual(lines[1], get('2.0', '2.end'))
dialog._current_textview.destroy()
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')]
button_sources = [(self.dialog.readme, 'README.txt', 'readme'),
(self.dialog.idle_news, 'NEWS.txt', 'news'),
(self.dialog.idle_credits, 'CREDITS.txt', 'credits')]
for button, filename in button_sources:
button.invoke()
fn = findfile(filename, subdir='idlelib')
get = dialog._current_textview.viewframe.textframe.text.get
with open(fn) as f:
self.assertEqual(f.readline().strip(), get('1.0', '1.end'))
f.readline()
self.assertEqual(f.readline().strip(), get('3.0', '3.end'))
dialog._current_textview.destroy()
for button, filename, name in button_sources:
with self.subTest(name=name):
button.invoke()
fn = findfile(filename, subdir='idlelib')
get = dialog._current_textview.viewframe.textframe.text.get
with open(fn, encoding='utf-8') as f:
self.assertEqual(f.readline().strip(), get('1.0', '1.end'))
f.readline()
self.assertEqual(f.readline().strip(), get('3.0', '3.end'))
dialog._current_textview.destroy()
class DefaultTitleTest(unittest.TestCase):

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@ -0,0 +1,5 @@
Add "encoding=utf-8" to open() in IDLE's test_help_about.
GUI test test_file_buttons() only looks at initial ascii-only lines,
but failed on systems where open() defaults to 'ascii' because
readline() internally reads and decodes far enough ahead to encounter
a non-ascii character in CREDITS.txt.