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Test cases for L{twisted.logger._format}.
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Retrive the file name and line number immediately after where this function
is called.
@return: the file name and line number
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Continer for a test configuration of stdlib logging objects.
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Close the logger.
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Get the output to the underlying stream as text.
@return: the output text
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Tests for L{STDLibLogObserver}.
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L{STDLibLogObserver} is an L{ILogObserver}.
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Create a logging object we can use to test with.
@return: a stdlib-style logger
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Send one or more events to Python's logging module, and capture the
emitted L{LogRecord}s and output stream as a string.
@param events: events
@return: a tuple: (records, output)
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Logger name.
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Log levels.
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C{pathname}, C{lineno}, C{exc_info}, C{func} is set properly on
records.
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Basic formattable event passes the format along correctly.
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Basic formattable event renders correctly.
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Event with no format.
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An event with a failure logs the failure details as well.
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A cleaned Failure object has a fake traceback object; make sure that
logging such a failure still results in the exception details being
logged.
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Construct a 2-tuple of C{(StreamHandler, BytesIO)} for testing interaction
with the 'logging' module.
@return: handler and io object
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A L{py_logging.Handler} that remembers all logged records in a list.
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Initialize this L{BufferedHandler}.
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Remember the record.
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