72 lines
2.0 KiB
Python
72 lines
2.0 KiB
Python
# Copyright 2017 Mycroft AI Inc.
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#
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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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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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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 unittest
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import sys
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from io import StringIO
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from threading import Thread
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from mycroft.util.log import LOG
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class CaptureLogs(list):
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def __init__(self):
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list.__init__(self)
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self._stdout = None
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self._stringio = None
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def __enter__(self):
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self._stdout = sys.stdout
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sys.stdout = self._stringio = StringIO()
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LOG.init()
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return self
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def __exit__(self, *args):
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self.extend(self._stringio.getvalue().splitlines())
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del self._stringio # free up some memory
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sys.stdout = self._stdout
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LOG.init()
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class TestLog(unittest.TestCase):
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def test_threads(self):
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with CaptureLogs() as output:
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def test_logging():
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LOG.debug('testing debug')
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LOG.info('testing info')
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LOG.warning('testing warning')
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LOG.error('testing error')
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LOG('testing custom').debug('test')
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threads = []
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for _ in range(100):
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t = Thread(target=test_logging)
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t.start()
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threads.append(t)
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for t in threads:
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t.join()
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assert len(output) > 0
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for line in output:
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found_msg = False
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for msg in ['debug', 'info', 'warning', 'error', 'custom']:
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if 'testing ' + msg in line:
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found_msg = True
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assert found_msg
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if __name__ == "__main__":
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unittest.main()
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