def test_font(self):
sidebar = self.shell.shell_sidebar
test_font = 'TkTextFont'
def mock_idleconf_GetFont(root, configType, section):
return test_font
GetFont_patcher = unittest.mock.patch.object(
idlelib.sidebar.idleConf, 'GetFont', mock_idleconf_GetFont)
GetFont_patcher.start()
def cleanup():
GetFont_patcher.stop()
sidebar.update_font()
self.addCleanup(cleanup)
def get_sidebar_font():
canvas = sidebar.canvas
texts = list(canvas.find(tk.ALL))
fonts = {canvas.itemcget(text, 'font') for text in texts}
self.assertEqual(len(fonts), 1)
return next(iter(fonts))
self.assertNotEqual(get_sidebar_font(), test_font)
sidebar.update_font()
self.assertEqual(get_sidebar_font(), test_font)
def cleanup():
GetFont_patcher.stop()
sidebar.update_font()