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import sys, os |
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from rsudp.raspberryshake import ConsumerThread |
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import rsudp.raspberryshake as rs |
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from rsudp import printM, printW, helpers |
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from rsudp import ms_path |
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import rsudp.test as t |
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IMGPATH = False |
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class Testing(rs.ConsumerThread): |
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''' |
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.. versionadded:: 0.4.3 |
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This is the test consumer thread. |
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It operates just like a normal consumer, |
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but its only function is to run tests for data processing |
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and message passing. |
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For a diagram of ``TestData``'s position in the data hierarchy, see |
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:ref:`testing_flow`. |
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Currently it has the power to run 7 tests from |
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:py:mod:`rsudp.test`: |
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.. code-block:: python |
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TEST['n_inventory'] |
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TEST['c_data'] |
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TEST['c_processing'] |
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TEST['c_TERM'] |
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TEST['c_ALARM'] |
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TEST['c_RESET'] |
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TEST['c_IMGPATH'] |
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These tests represent inventory fetch, data packet reception, |
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stream processing, and the reception of the four current message types: |
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``TERM``, ``ALARM``, ``RESET``, and ``IMGPATH``. |
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:param queue.Queue q: queue of data and messages sent by :class:`rsudp.c_consumer.Consumer` |
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''' |
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def __init__(self, q): |
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""" |
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Initializes the custom code execution thread. |
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""" |
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super().__init__() |
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self.sender = 'Testing' |
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self.alive = True |
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self.queue = q |
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self.stream = rs.Stream() |
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self.cha = rs.chns |
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printW('Starting test consumer.', sender=self.sender, announce=False) |
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def _getq(self): |
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''' |
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Reads data from the queue and returns the queue object. |
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:rtype: bytes |
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:return: The queue object. |
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''' |
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d = self.queue.get(True, timeout=None) |
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self.queue.task_done() |
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return d |
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def _getd(self): |
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''' |
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Reads data from the queue and updates the stream. |
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''' |
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d = self._getq() |
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if rs.getCHN(d) in self.cha: |
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self.stream = rs.update_stream(stream=self.stream, d=d, fill_value='latest') |
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else: |
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self._messagetests(d) |
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def _datatests(self, d): |
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''' |
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Run tests on a data packet to see if it can be processed into a stream object. |
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If so, mark the data and processing tests passed. |
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:param bytes d: a data packet from the queue |
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''' |
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if rs.getCHN(d) in self.cha: |
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t.TEST['c_data'][1] = True |
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self.stream = rs.update_stream(stream=self.stream, d=d, fill_value='latest') |
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t.TEST['c_processing'][1] = True |
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def _messagetests(self, d): |
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''' |
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Run tests on a message to see if a specific one has been passed. |
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If so, mark the test passed. |
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:param bytes d: a data packet from the queue |
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''' |
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global IMGPATH |
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if 'TERM' in str(d): |
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printM('Got TERM message...', sender=self.sender) |
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t.TEST['c_TERM'][1] = True |
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self.alive = False |
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elif 'ALARM' in str(d): |
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printM('Got ALARM message with time %s' % ( |
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helpers.fsec(helpers.get_msg_time(d)) |
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), sender=self.sender) |
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t.TEST['c_ALARM'][1] = True |
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elif 'RESET' in str(d): |
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printM('Got RESET message with time %s' % ( |
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helpers.fsec(helpers.get_msg_time(d)) |
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), sender=self.sender) |
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t.TEST['c_RESET'][1] = True |
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elif 'IMGPATH' in str(d): |
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printM('Got IMGPATH message with time %s' % ( |
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helpers.fsec(helpers.get_msg_time(d)) |
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), sender=self.sender) |
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IMGPATH = helpers.get_msg_path(d) |
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printM('and path %s' % (IMGPATH), sender=self.sender) |
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t.TEST['c_IMGPATH'][1] = True |
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def _img_test(self): |
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if t.TEST['c_img']: |
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t.TEST['c_img'][1] = os.path.exists(IMGPATH) |
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dn, fn = os.path.dirname(IMGPATH), os.path.basename(IMGPATH) |
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os.replace(IMGPATH, os.path.join(dn, 'test.' + fn)) |
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def run(self): |
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''' |
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Start the testing thread and run until ``self.alive == False``. |
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''' |
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if rs.inv: |
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t.TEST['n_inventory'][1] = True |
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self._datatests(self._getq()) |
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while self.alive: |
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self._getd() |
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self._img_test() |
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printW('Exiting.', sender=self.sender, announce=False) |
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sys.exit() |
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raspishake /
rsudp
