Issue #27196: Stop 'application destroyed' warnings when running IDLE tests.
The update_idletasks solution was provided by Serhiy Storchaka.
diff --git a/Lib/idlelib/idle_test/README.txt b/Lib/idlelib/idle_test/README.txt
index 39a19d0..01b31f6 100644
--- a/Lib/idlelib/idle_test/README.txt
+++ b/Lib/idlelib/idle_test/README.txt
@@ -71,9 +71,15 @@
@classmethod
def tearDownClass(cls):
del cls.text
+ cls.root.update_idletasks()
cls.root.destroy()
del cls.root
+The update_idletasks call is sometimes needed to prevent the following warning
+either when running a test alone or as part of the test suite (#27196).
+ can't invoke "event" command: application has been destroyed
+ ...
+ "ttk::ThemeChanged"
Requires('gui') causes the test(s) it guards to be skipped if any of
these conditions are met:
diff --git a/Lib/idlelib/idle_test/test_configdialog.py b/Lib/idlelib/idle_test/test_configdialog.py
index fab860b..4b413e2 100644
--- a/Lib/idlelib/idle_test/test_configdialog.py
+++ b/Lib/idlelib/idle_test/test_configdialog.py
@@ -1,7 +1,7 @@
-'''Unittests for idlelib/configHandler.py
+'''Test idlelib.configHandler.
-Coverage: 46% just by creating dialog. The other half is change code.
-
+Coverage: 46% just by creating dialog.
+The other half is code for working with user customizations.
'''
import unittest
from test.support import requires
@@ -20,11 +20,12 @@
@classmethod
def tearDownClass(cls):
+ cls.root.update_idletasks()
cls.root.destroy()
del cls.root
def test_dialog(self):
- d=ConfigDialog(self.root, 'Test', _utest=True)
+ d = ConfigDialog(self.root, 'Test', _utest=True)
d.remove_var_callbacks()
d.destroy()
diff --git a/Lib/idlelib/idle_test/test_parenmatch.py b/Lib/idlelib/idle_test/test_parenmatch.py
index e153952..95cc22c 100644
--- a/Lib/idlelib/idle_test/test_parenmatch.py
+++ b/Lib/idlelib/idle_test/test_parenmatch.py
@@ -1,6 +1,8 @@
-"""Test idlelib.ParenMatch."""
-# This must currently be a gui test because ParenMatch methods use
-# several text methods not defined on idlelib.idle_test.mock_tk.Text.
+'''Test idlelib.ParenMatch.
+
+This must currently be a gui test because ParenMatch methods use
+several text methods not defined on idlelib.idle_test.mock_tk.Text.
+'''
from test.support import requires
requires('gui')
@@ -29,6 +31,7 @@
@classmethod
def tearDownClass(cls):
del cls.text, cls.editwin
+ cls.root.update_idletasks()
cls.root.destroy()
del cls.root
diff --git a/Lib/idlelib/idle_test/test_textview.py b/Lib/idlelib/idle_test/test_textview.py
index 1a75e95..02d1472 100644
--- a/Lib/idlelib/idle_test/test_textview.py
+++ b/Lib/idlelib/idle_test/test_textview.py
@@ -1,4 +1,4 @@
-'''Test the functions and main class method of textView.py.
+'''Test idlelib.textView.
Since all methods and functions create (or destroy) a TextViewer, which
is a widget containing multiple widgets, all tests must be gui tests.
@@ -24,6 +24,7 @@
def tearDownModule():
global root, TV
del TV
+ root.update_idletasks()
root.destroy() # pyflakes falsely sees root as undefined
del root
diff --git a/Lib/idlelib/idle_test/test_widgetredir.py b/Lib/idlelib/idle_test/test_widgetredir.py
index eeec3ea..c68dfcc 100644
--- a/Lib/idlelib/idle_test/test_widgetredir.py
+++ b/Lib/idlelib/idle_test/test_widgetredir.py
@@ -1,7 +1,7 @@
-"""Unittest for idlelib.WidgetRedirector
+'''Test idlelib.WidgetRedirector.
100% coverage
-"""
+'''
from test.support import requires
import unittest
from idlelib.idle_test.mock_idle import Func
@@ -49,6 +49,7 @@
@classmethod
def tearDownClass(cls):
del cls.text
+ cls.root.update_idletasks()
cls.root.destroy()
del cls.root