| #!/usr/bin/env python3 |
| # Copyright 2021 The Pigweed Authors |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); you may not |
| # use this file except in compliance with the License. You may obtain a copy of |
| # the License at |
| # |
| # https://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
| # License for the specific language governing permissions and limitations under |
| # the License. |
| """Tests encoding HDLC frames.""" |
| |
| import unittest |
| from unittest import mock |
| |
| from pw_rpc.console_tools import Watchdog |
| |
| |
| class TestWatchdog(unittest.TestCase): |
| """Tests the Watchdog class.""" |
| def setUp(self): |
| self._reset = mock.Mock() |
| self._expiration = mock.Mock() |
| self._while_expired = mock.Mock() |
| |
| self._watchdog = Watchdog(self._reset, self._expiration, |
| self._while_expired, 99999) |
| |
| def _trigger_timeout(self): |
| # Don't wait for the timeout -- that's too flaky. Call the internal |
| # timeout function instead. |
| self._watchdog._timeout_expired() # pylint: disable=protected-access |
| |
| def test_expiration_callbacks(self): |
| self._watchdog.start() |
| |
| self._expiration.not_called() |
| |
| self._trigger_timeout() |
| |
| self._expiration.assert_called_once_with() |
| self._while_expired.assert_not_called() |
| |
| self._trigger_timeout() |
| |
| self._expiration.assert_called_once_with() |
| self._while_expired.assert_called_once_with() |
| |
| self._trigger_timeout() |
| |
| self._expiration.assert_called_once_with() |
| self._while_expired.assert_called() |
| |
| def test_reset_not_called_unless_expires(self): |
| self._watchdog.start() |
| self._watchdog.reset() |
| |
| self._reset.assert_not_called() |
| self._expiration.assert_not_called() |
| self._while_expired.assert_not_called() |
| |
| def test_reset_called_if_expired(self): |
| self._watchdog.start() |
| self._trigger_timeout() |
| |
| self._watchdog.reset() |
| |
| self._trigger_timeout() |
| |
| self._reset.assert_called_once_with() |
| self._expiration.assert_called() |
| |
| |
| if __name__ == '__main__': |
| unittest.main() |
