def test_read_me(self):
main = MainFrame()
main.read_me()
top_levels = 0
for child in main.winfo_children():
if isinstance(child, tk.Toplevel):
top_levels += 1
self.assertEqual(top_levels, 1)
def test_change_file_bad_file_showerror_called_on_value_change(
self, mock_error):
bad_file = os.path.join(DATA_PATH, 'go_time.ico')
main = MainFrame()
files_frame = None
for child in main.winfo_children():
if isinstance(child, FileManagement):
files_frame = child
for count, key in enumerate(
('countable_nouns', 'uncountable_nouns', 'verbs')):
self.assertEqual(mock_error.call_count, count)
main.revert_to_original()
files_frame.set_variable(key, bad_file)
message = (
'LoaderError: Could not read CSV file. ' +
'If you edited it in MSWord or something similar, it got formatted. Use "notepad"'
)
mock_error.assert_called_with('Bad file', message)
self.assertEqual(mock_error.call_count, count + 1)