mirror of https://github.com/ARMmbed/mbed-os.git
76 lines
2.4 KiB
Python
76 lines
2.4 KiB
Python
"""
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Copyright (c) 2018 ARM Limited
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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"""
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import time
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from mbed_host_tests import BaseHostTest
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from mbed_host_tests.host_tests_runner.host_test_default import DefaultTestSelector
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DEFAULT_CYCLE_PERIOD = 1.0
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MSG_VALUE_DUMMY = '0'
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MSG_KEY_DEVICE_READY = 'ready'
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MSG_KEY_DEVICE_RESET = 'reset'
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MSG_KEY_SYNC = '__sync'
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class SystemResetTest(BaseHostTest):
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"""Test for the system_reset API.
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Given a device running code
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When the device is restarted using @a system_reset()
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Then the device is restarted
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"""
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def __init__(self):
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super(SystemResetTest, self).__init__()
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self.reset = False
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cycle_s = self.get_config_item('program_cycle_s')
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self.program_cycle_s = cycle_s if cycle_s is not None else DEFAULT_CYCLE_PERIOD
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self.test_steps_sequence = self.test_steps()
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# Advance the coroutine to it's first yield statement.
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self.test_steps_sequence.send(None)
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def setup(self):
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self.register_callback(MSG_KEY_DEVICE_READY, self.cb_device_ready)
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def cb_device_ready(self, key, value, timestamp):
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"""Acknowledge device rebooted correctly and feed the test execution
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"""
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self.reset = True
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try:
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if self.test_steps_sequence.send(value):
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self.notify_complete(True)
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except (StopIteration, RuntimeError) as exc:
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self.notify_complete(False)
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def test_steps(self):
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"""Reset the device and check the status
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"""
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system_reset = yield
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self.reset = False
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self.send_kv(MSG_KEY_DEVICE_RESET, MSG_VALUE_DUMMY)
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time.sleep(self.program_cycle_s)
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self.send_kv(MSG_KEY_SYNC, MSG_VALUE_DUMMY)
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system_reset = yield
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if self.reset == False:
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raise RuntimeError('Platform did not reset as expected.')
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# The sequence is correct -- test passed.
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yield True |