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_dup_sink():
log = Logger('test_exc_logger')
agg_sink = AggregateSink()
log.add_sink(agg_sink)
log.add_sink(agg_sink)
assert len(log.sinks) == 1
def test_dup_sink():
log = Logger('test_exc_logger')
agg_sink = AggregateSink()
log.add_sink(agg_sink)
log.add_sink(agg_sink)
assert len(log.sinks) == 1
def test_sensible_basic():
log = Logger('test_ss', [strm_sink, fake_sink])
print()
log.debug('greet').success('hey')
assert aggr_emtr.get_entry(-1).startswith('s')
with log.debug('greet') as t:
log.comment('a_{}_quick', 'comment')
assert aggr_emtr.get_entry(-1).startswith('#')
assert 'a_comment_quick' in aggr_emtr.get_entry(-1)
t.success('hello')
t.warn("everything ok?")
assert aggr_emtr.get_entry(-1).startswith('S')
with log.debug('greet') as t:
t.failure('bye')
assert aggr_emtr.get_entry(-1).startswith('F')
try:
with log.debug('greet') as t:
raise ZeroDivisionError('narwhalbaconderp')
except Exception:
pass
assert aggr_emtr.get_entry(-1).startswith('E')
assert 'limit=' in repr(aggr_emtr)
assert aggr_emtr.get_entries()
aggr_emtr.clear()
assert not aggr_emtr.get_entries()
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_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_sensible_basic():
log = Logger('test_ss', [strm_sink, fake_sink])
print
log.debug('greet').success('hey')
assert aggr_emtr.get_entry(-1).startswith('s')
with log.debug('greet') as t:
log.comment('a_{}_quick', 'comment')
assert aggr_emtr.get_entry(-1).startswith('#')
assert 'a_comment_quick' in aggr_emtr.get_entry(-1)
t.success('hello')
t.warn("everything ok?")
assert aggr_emtr.get_entry(-1).startswith('S')
with log.debug('greet') as t:
t.failure('bye')
assert aggr_emtr.get_entry(-1).startswith('F')
try:
with log.debug('greet') as t:
raise ZeroDivisionError('narwhalbaconderp')
except Exception:
pass
assert aggr_emtr.get_entry(-1).startswith('E')
assert 'limit=' in repr(aggr_emtr)
assert aggr_emtr.get_entries()
aggr_emtr.clear()
assert not aggr_emtr.get_entries()
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_callpoint_info():
log = Logger('test_logger', [])
t = do_debug_trans(log)
assert t.callpoint.module_name == __name__
assert t.callpoint.module_path.endswith(__file__)
assert t.callpoint.func_name == 'do_debug_trans'
assert t.callpoint.lineno > 0
assert t.callpoint.lasti > 0
assert repr(t)
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_exception():
log = Logger('test_exc_logger')
exc_list = []
class ExcSink(object):
def on_exception(self, event, etype, eobj, etb):
exc_list.append(event)
exc_sink = ExcSink()
log.add_sink(exc_sink)
try:
with log.critical('raise_act'):
raise RuntimeError('whooops')
except RuntimeError:
pass
assert len(exc_list) == 1
assert exc_list[0].exc_info.exc_type == 'RuntimeError'
def test_exception():
log = Logger('test_exc_logger')
exc_list = []
class ExcSink(object):
def on_exception(self, event, etype, eobj, etb):
exc_list.append(event)
exc_sink = ExcSink()
log.add_sink(exc_sink)
try:
with log.critical('raise_act'):
raise RuntimeError('whooops')
except RuntimeError:
pass
assert len(exc_list) == 1
assert exc_list[0].exc_info.exc_type == 'RuntimeError'
def test_guid():
import string
log = Logger('test_logger', [])
act = do_debug_act(log)
assert act.guid
assert act.guid.lower() == act.guid
assert all([c in string.hexdigits for c in act.guid])
act2 = do_debug_act(log)
assert act.guid != act2.guid
assert act.guid < act2.guid # when int2hexguid_seq is in use
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)
def test_comment():
log = Logger('test_comment')
events = []
class ComSink(object):
def on_comment(self, event):
events.append(event)
log.add_sink(ComSink())
log.comment('the first')
log.comment('the second')
assert len(events) == 2
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_async_basic():
ctx = get_context()
ctx.enable_async()
log = Logger('async_basic')
with log.critical('test', reraise=False) as act:
log.comment('i got a bad feeling about this')
act.warn('here it comes')
1 / 0
log.flush()
ctx.disable_async()
return
def test_comment():
log = Logger('test_comment')
events = []
class ComSink(object):
def on_comment(self, event):
events.append(event)
log.add_sink(ComSink())
log.comment('the first')
log.comment('the second {}', 'commenting')
assert len(events) == 2
def test_preflush_catching_and_noting():
ctx = LithoxylContext()
def raiser(log):
raise RuntimeError('never gonna catch me')
log = Logger('test_logger', context=ctx)
log.preflush_hooks.append(raiser)
notes = []
def add_note(name, message):
notes.append((name, message))
ctx.note_handlers.append(add_note)
ctx.enable_async()
time.sleep(0.3)
assert notes # should have at least one note in 300ms
# -*- coding: utf-8 -*-
from lithoxyl import DeferredValue
from lithoxyl.logger import Logger, Action
from lithoxyl.sensible import SensibleFormatter as SF
template = ('{status_char}{action_warn_char}{begin_timestamp}'
' - {iso_begin_local} - {iso_begin}'
' - {logger_name} - {status_str} - {action_name}')
t_log = Logger('1off')
t_riker = Action(t_log, 'DEBUG', 'Riker').success('Hello, Thomas.')
ACTS = [t_riker]
TCS = [[('{logger_name}', '"1off"'), ('{status_str}', 'success'),
('{level_number}', '20'), ('{action_name}', '"Riker"'),
('{end_message}', '"Hello, Thomas."')]]
def test_formatter_basic():
forming = SF(template)
output = forming.on_end(t_riker.end_event)
expected = '"1off" - success - "Riker"'
print(output)
assert output[-len(expected):] == expected
act = Action(t_log, 'DEBUG', 'Wharf')
robf = SF(template)
act.success('Mr. Wolf')
ret = robf.on_end(act.end_event)
def test_structured(trans_count=5):
acc = SimpleStructuredFileSink()
log = Logger('test_logger', [acc])
for i in range(trans_count):
do_debug_trans(log)
def _get_logger():
acc = AggregateSink()
return Logger('test_logger', [acc])