def test_logsFromExtLibsPropag():
"""
Test the no propagation of the logs from the Logging objects to the root logger of 'logging'
"""
capturedBackend, _, _ = gLoggerReset()
gLogger.enableLogsFromExternalLibs()
# modify the output to capture logs of the root logger
bufferRoot = StringIO()
logging.getLogger().handlers[0].stream = bufferRoot
gLogger.error('message')
assert capturedBackend.getvalue() != ""
assert bufferRoot.getvalue() == ""
def test_logsFromExtLibsHandlers(isEnabled, loggingLevel, numberHandlers, handlerType):
"""
Check that handlers attached are different according to the value of enableLogsFromExternalLibs()
"""
gLoggerReset()
# when enable, Logging should also report logs from external library
# a StreamHandler should be attached to the root logger by default
if isEnabled:
gLogger.enableLogsFromExternalLibs()
# in the other case, Logging should not report logs from external library
# a NullHandler disables the emission of the log records going to the root logger
else:
gLogger.disableLogsFromExternalLibs()
handlers = logging.getLogger().handlers
assert logging.getLogger().getEffectiveLevel() == loggingLevel
assert numberHandlers == len(handlers)
assert isinstance(handlers[0], handlerType)
def test_logsFromExtLibsLogs(isEnabled, loggerName, message, expected):
"""
Check whether logs are displayed according to the value of enableLogsFromExternalLibs()
"""
gLoggerReset()
# when enable, Logging should also report logs from external library
# logs from external libs should appear
if isEnabled:
gLogger.enableLogsFromExternalLibs()
# in the other case, Logging should not report logs from external library
# logs from external libs shouldn't appear
else:
gLogger.disableLogsFromExternalLibs()
# modify the output to capture logs of the root logger
bufferRoot = StringIO()
logging.getLogger().handlers[0].stream = bufferRoot
logging.getLogger(loggerName).info(message)
logstring = cleaningLog(bufferRoot.getvalue())
assert expected == logstring
def test_logsFromExtLibsMultCalls():
"""
Calls the method several times to see whether we have duplication of the logs
"""
gLoggerReset()
for i in range(5):
gLogger.enableLogsFromExternalLibs()
handlers = logging.getLogger().handlers
assert len(handlers) == 1
assert isinstance(handlers[0], logging.StreamHandler)
for i in range(5):
gLogger.disableLogsFromExternalLibs()
handlers = logging.getLogger().handlers
assert len(handlers) == 1
assert isinstance(handlers[0], logging.NullHandler)
gLogger.enableLogsFromExternalLibs()
gLogger.disableLogsFromExternalLibs()
gLogger.enableLogsFromExternalLibs()
gLogger.disableLogsFromExternalLibs()
handlers = logging.getLogger().handlers
assert len(handlers) == 1
assert isinstance(handlers[0], logging.NullHandler)
gLogger.disableLogsFromExternalLibs()
gLogger.enableLogsFromExternalLibs()
gLogger.disableLogsFromExternalLibs()
gLogger.enableLogsFromExternalLibs()
handlers = logging.getLogger().handlers
assert len(handlers) == 1
assert isinstance(handlers[0], logging.StreamHandler)