def test_proxies_log(self):
"""
BoundLogger.exception.log() is proxied to the apropriate method.
"""
bl = BoundLogger(ReturnLogger(), [return_method_name], {})
assert "critical" == bl.log(50, "event")
assert "debug" == bl.log(10, "event")
def test_stdlib_methods_support(self, method):
"""
ReturnLogger implements methods of stdlib loggers.
"""
v = getattr(ReturnLogger(), method)("hello")
assert "hello" == v
def test_positional_args_proxied(self):
"""
Positional arguments supplied are proxied as kwarg.
"""
bl = BoundLogger(ReturnLogger(), [], {})
args, kwargs = bl.debug('event', 'foo', bar='baz')
assert 'baz' == kwargs.get('bar')
assert ('foo', ) == kwargs.get('positional_args')
def build_bl(logger=None, processors=None, context=None):
"""
Convenience function to build BoundLoggerBases with sane defaults.
"""
return BoundLoggerBase(
logger if logger is not None else ReturnLogger(),
processors if processors is not None else _CONFIG.default_processors,
context if context is not None else _CONFIG.default_context_class(),
)
def test_exception_exc_info(self):
"""
BoundLogger.exception sets exc_info=True.
"""
bl = BoundLogger(ReturnLogger(), [], {})
assert ((), {
"exc_info": True,
"event": "event"
}) == bl.exception('event')
def test_proxies_anything(self):
"""
Anything that isn't part of BoundLoggerBase gets proxied to the correct
wrapped logger methods.
"""
b = BoundLogger(
ReturnLogger(),
_CONFIG.default_processors,
_CONFIG.default_context_class(),
)
assert 'log', 'foo' == b.log('foo')
assert 'gol', 'bar' == b.gol('bar')
def test_caches(self):
"""
__getattr__() gets called only once per logger method.
"""
b = BoundLogger(
ReturnLogger(),
_CONFIG.default_processors,
_CONFIG.default_context_class(),
)
assert 'msg' not in b.__dict__
b.msg('foo')
assert 'msg' in b.__dict__
def test_proxies_anything(self):
"""
Anything that isn't part of BoundLoggerBase gets proxied to the correct
wrapped logger methods.
"""
b = BoundLogger(
ReturnLogger(),
_CONFIG.default_processors,
_CONFIG.default_context_class(),
)
assert "log", "foo" == b.log("foo")
assert "gol", "bar" == b.gol("bar")
def test_pickle(self):
"""
Can be pickled and unpickled.
Works only on Python 3: TypeError: can't pickle instancemethod objects
"""
b = BoundLogger(
ReturnLogger(),
_CONFIG.default_processors,
_CONFIG.default_context_class(),
).bind(x=1)
assert b.info("hi") == pickle.loads(pickle.dumps(b)).info("hi")
def logger():
"""
Returns a simple logger stub with a *msg* method that takes one argument
which gets returned.
"""
return ReturnLogger()
def test_return_logger():
obj = ['hello']
assert obj is ReturnLogger().msg(obj)
def build_bl(logger=None, processors=None, context=None):
"""
Convenience function to build BoundLogger with sane defaults.
"""
return BoundLogger(logger or ReturnLogger(), processors, {})
def test_exception_maps_to_error(self):
bl = BoundLogger(ReturnLogger(), [return_method_name], {})
assert "error" == bl.exception("event")
def test_proxies_exception(self):
"""
BoundLogger.exception is proxied to Logger.error.
"""
bl = BoundLogger(ReturnLogger(), [return_method_name], {})
assert "error" == bl.exception("event")
def test_proxies_to_correct_method(self, method_name):
"""
The basic proxied methods are proxied to the correct counterparts.
"""
bl = BoundLogger(ReturnLogger(), [return_method_name], {})
assert method_name == getattr(bl, method_name)('event')
