def test_on_cancel_button_clicked(self, mocked_is_thread_finished,
mocked_get_thread_worker, mocked_time):
"""
Test that the cancel button click slot shuts down the threads correctly
"""
# GIVEN: A FRW, some mocked threads and workers (that isn't quite done) and other mocked stuff
mocked_worker = MagicMock()
mocked_get_thread_worker.return_value = mocked_worker
mocked_is_thread_finished.side_effect = [False, True]
frw = FirstTimeForm(None)
frw.initialize(MagicMock())
frw.theme_screenshot_threads = ['test_thread']
with patch.object(frw.application,
'set_normal_cursor') as mocked_set_normal_cursor:
# WHEN: on_cancel_button_clicked() is called
frw.on_cancel_button_clicked()
# THEN: The right things should be called in the right order
assert frw.was_cancelled is True, 'The was_cancelled property should have been set to True'
mocked_get_thread_worker.assert_called_once_with('test_thread')
mocked_worker.set_download_canceled.assert_called_with(True)
mocked_is_thread_finished.assert_called_with('test_thread')
assert mocked_is_thread_finished.call_count == 2, 'isRunning() should have been called twice'
mocked_time.sleep.assert_called_once_with(0.1)
mocked_set_normal_cursor.assert_called_once_with()
