def test_highlight_colors(self):
sidebar = self.shell.shell_sidebar
test_colors = {"background": '#abcdef', "foreground": '#123456'}
orig_idleConf_GetHighlight = idlelib.sidebar.idleConf.GetHighlight
def mock_idleconf_GetHighlight(theme, element):
if element in ['linenumber', 'console']:
return test_colors
return orig_idleConf_GetHighlight(theme, element)
GetHighlight_patcher = unittest.mock.patch.object(
idlelib.sidebar.idleConf, 'GetHighlight',
mock_idleconf_GetHighlight)
GetHighlight_patcher.start()
def cleanup():
GetHighlight_patcher.stop()
sidebar.update_colors()
self.addCleanup(cleanup)
def get_sidebar_colors():
canvas = sidebar.canvas
texts = list(canvas.find(tk.ALL))
fgs = {canvas.itemcget(text, 'fill') for text in texts}
self.assertEqual(len(fgs), 1)
fg = next(iter(fgs))
bg = canvas.cget('background')
return {"background": bg, "foreground": fg}
self.assertNotEqual(get_sidebar_colors(), test_colors)
sidebar.update_colors()
self.assertEqual(get_sidebar_colors(), test_colors)
def cleanup():
GetHighlight_patcher.stop()
sidebar.update_colors()