def test_stale_stream(tmpdir):
# make mock filestream with write/flush that goes stale after 100 writes
# create logger with stream emitter to mocked file stream
class StalewardFile(file):
def __init__(self, *a, **kw):
file.__init__(self, *a, **kw)
self._write_count = 0
def write(self, *a, **kw):
self._write_count += 1
if self._write_count > 100:
exc = IOError('stale file handle')
exc.errno = errno.ESTALE
self.close()
raise exc
return file.write(self, *a, **kw)
file_path = '%s/not_always_fresh.log' % (tmpdir,)
stale_file_obj = StalewardFile(file_path, 'wb')
emitter = StreamEmitter(stale_file_obj)
sink = SensibleSink(SF('{status_char} - {iso_end}'), emitter,
filters=[SensibleFilter(success=True)])
logger = Logger('excelsilog', [sink])
assert emitter.stream is stale_file_obj
for i in range(200):
logger.info('yay').success()
lines = open(file_path).read().splitlines()
assert len(lines) == 200
assert len(lines[0]) == len(lines[-1])
assert stale_file_obj.closed
assert emitter.stream is not stale_file_obj
def _test_exception():
_tmpl = ('{iso_end} - {exc_type}: {exc_message}'
' - {func_name}:{line_number} - {exc_tb_list}')
sink = SensibleSink(SF(_tmpl),
StreamEmitter('stderr'),
filters=[SensibleFilter(exception=0)])
logger = Logger('excelsilog', [sink])
with logger.info('A for Effort', reraise=False) as tr:
print tr
raise ValueError('E for Exception')
return
def _test_exception():
_tmpl = ('{iso_end} - {exc_type}: {exc_message}'
' - {func_name}:{line_number} - {exc_tb_list}')
sink = SensibleSink(SF(_tmpl),
StreamEmitter('stderr'),
filters=[SensibleFilter(exception=False)])
logger = Logger('excelsilog', [sink])
with logger.info('A for Effort', reraise=False) as tr:
print tr
raise ValueError('E for Exception')
return
def test_stale_stream(tmpdir):
# make mock filestream with write/flush that goes stale after 100 writes
# create logger with stream emitter to mocked file stream
class StalewardFile(file):
def __init__(self, *a, **kw):
file.__init__(self, *a, **kw)
self._write_count = 0
def write(self, *a, **kw):
self._write_count += 1
if self._write_count > 100:
exc = IOError('stale file handle')
exc.errno = errno.ESTALE
self.close()
raise exc
return file.write(self, *a, **kw)
file_path = '%s/not_always_fresh.log' % (tmpdir, )
stale_file_obj = StalewardFile(file_path, 'wb')
emitter = StreamEmitter(stale_file_obj)
sink = SensibleSink(SF('{status_char} - {iso_end}'),
emitter,
filters=[SensibleFilter(success=True)])
logger = Logger('excelsilog', [sink])
assert emitter.stream is stale_file_obj
for i in range(200):
logger.info('yay').success()
lines = open(file_path).read().splitlines()
assert len(lines) == 200
assert len(lines[0]) == len(lines[-1])
assert stale_file_obj.closed
assert emitter.stream is not stale_file_obj
def test_rate_sink():
sink = RateSink()
logger = Logger('testlog', sinks=[sink])
for i in range(10):
with logger.info('sleeping', reraise=False):
time.sleep(0.02)
if i % 2:
raise ValueError()
test_rates = sink.get_rates()['testlog']['sleeping']
assert 48 <= round(test_rates['__all__']) <= 51
assert 24 <= round(test_rates['exception']) <= 26
counts = sink.get_total_counts()
assert counts['__all__'] == 10
assert repr(sink)
def test_rate_sink():
sink = RateSink()
logger = Logger('testlog', sinks=[sink])
for i in range(10):
with logger.info('sleeping', reraise=False):
time.sleep(0.02)
if i % 2:
raise ValueError()
test_rates = sink.get_rates()['testlog']['sleeping']
# get_rates() returns per-second rates for logger invocations. These
# results are hardware dependent for the lower bound, but the upper bound
# is well defined because of the hard coded sleep() call above.
assert 40 <= round(test_rates['__all__']) <= 51
assert 20 <= round(test_rates['exception']) <= 26
counts = sink.get_total_counts()
assert counts['__all__'] == 10
assert repr(sink)
def test_rate_sink():
sink = RateSink()
logger = Logger('testlog', sinks=[sink])
for i in range(10):
with logger.info('sleeping', reraise=False):
time.sleep(0.02)
if i % 2:
raise ValueError()
test_rates = sink.get_rates()['testlog']['sleeping']
# TODO: these are a little flaky, esp when moving between
# environments, runtimes, and with/without coverage, hence the
# range
all_lower_limit = 40 if IS_PYPY else 48
assert all_lower_limit <= round(test_rates['__all__']) <= 51
assert 22 <= round(test_rates['exception']) <= 26
counts = sink.get_total_counts()
assert counts['__all__'] == 10
assert repr(sink)