def test_log():
'''Test log method emits correct message.'''
handler = mock.Mock()
logger = Logger(name='sawmill.test.logger', _handler=handler)
logger.log(message='A message')
assert handler.handle.called
assert handler.handle.call_args[0][0] == Log(
name='sawmill.test.logger',
message='A message',
)
def test_repeat_call_side_effects():
'''Test repeat calls with different arguments have no side-effects.'''
handler = mock.Mock()
logger = Logger(name='sawmill.test.logger', _handler=handler)
logger.log(message_a='Message A')
assert handler.handle.call_args[0][0] == Log(
name='sawmill.test.logger',
message_a='Message A',
)
# Confirm new message with different parameters does not have previous
# data.
logger.log(message_b='Message B')
assert handler.handle.call_args[0][0] == Log(
name='sawmill.test.logger',
message_b='Message B',
)
def test_prepare_returns_distinct_copy():
'''Test prepare returns a distinct copy of the logger.'''
logger = Logger(name='sawmill.test.logger')
log = logger.prepare()
assert log is not logger
