[3.12] gh-113269: IDLE - Fix test_editor hang (macOS) (GH-113271) (#113272)

gh-113269: IDLE - Fix test_editor hang (macOS) (GH-113271)

Hangs on installed 3.13.0a2 on macOS Catalina.
Behavior on installed 3.12.1 and 3.11.7 is unknown.
(cherry picked from commit fa9ba02353d79632983b9fe24da851894877e342)

Co-authored-by: Terry Jan Reedy <tjreedy@udel.edu>

diff --git a/Lib/idlelib/News3.txt b/Lib/idlelib/News3.txt
index 32c838f3bad380a26afaad0026ea6ce6054c16e5..6e72088028841fac9cd489a8c9b3010eafcc3998 100644 (file)
--- a/Lib/idlelib/News3.txt
+++ b/Lib/idlelib/News3.txt
@@ -4,6 +4,8 @@ Released after 2023-10-02
 =========================
 
 
+gh-113269: Fix test_editor hang on macOS Catalina.
+
 gh-112939: Fix processing unsaved files when quitting IDLE on macOS.
 Patch by Ronald Oussoren and Christopher Chavez.
 

diff --git a/Lib/idlelib/idle_test/test_editor.py b/Lib/idlelib/idle_test/test_editor.py
index 9296a6d235fbbe3b61c96fe19c6cb91734949330..0dfe2f3c58befadd0e85765cac1c1f29083d26fc 100644 (file)
--- a/Lib/idlelib/idle_test/test_editor.py
+++ b/Lib/idlelib/idle_test/test_editor.py
@@ -95,7 +95,7 @@ class GetLineIndentTest(unittest.TestCase):
 def insert(text, string):
     text.delete('1.0', 'end')
     text.insert('end', string)
-    text.update()  # Force update for colorizer to finish.
+    text.update_idletasks()  # Force update for colorizer to finish.
 
 
 class IndentAndNewlineTest(unittest.TestCase):

diff --git a/Misc/NEWS.d/next/IDLE/2023-12-19-00-03-12.gh-issue-113269.lrU-IC.rst b/Misc/NEWS.d/next/IDLE/2023-12-19-00-03-12.gh-issue-113269.lrU-IC.rst
new file mode 100644 (file)
index 0000000..72e75b7
--- /dev/null
+++ b/Misc/NEWS.d/next/IDLE/2023-12-19-00-03-12.gh-issue-113269.lrU-IC.rst
@@ -0,0 +1 @@
+Fix test_editor hang on macOS Catalina.