[3.6] bpo-24813: IDLE: Add icon to help_about (GH-2335) (#2359)

Patch by Cheryl Sabella
(cherry picked from commit d352d68)

1 files changed, 7 insertions, 0 deletions

diff --git a/Lib/idlelib/idle_test/test_help_about.py b/Lib/idlelib/idle_test/test_help_about.py
index 15d1b6b..f3ca75c 100644
--- a/Lib/idlelib/idle_test/test_help_about.py
+++ b/Lib/idlelib/idle_test/test_help_about.py
@@ -9,6 +9,7 @@ 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
+import os.path
 
 class LiveDialogTest(unittest.TestCase):
     """Simulate user clicking buttons other than [Close].
@@ -33,6 +34,12 @@ class LiveDialogTest(unittest.TestCase):
         """Test about dialog title"""
         self.assertEqual(self.dialog.title(), 'About IDLE')
 
+    def test_dialog_logo(self):
+        """Test about dialog logo."""
+        path, file = os.path.split(self.dialog.icon_image['file'])
+        fn, ext = os.path.splitext(file)
+        self.assertEqual(fn, 'idle_48')
+
     def test_printer_buttons(self):
         """Test buttons whose commands use printer function."""
         dialog = self.dialog