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import pytest
from .logger import Logger, Consumer, NullConsumer
@pytest.fixture
def logger ():
return Logger (consumer=[NullConsumer ()])
class QueueConsumer (Consumer):
def __init__ (self):
self.data = []
def __call__ (self, **kwargs):
self.data.append (kwargs)
return kwargs
def test_bind (logger):
# simple bind
logger = logger.bind (foo='bar')
ret = logger.debug ()
assert ret['foo'] == 'bar'
# additional
ret = logger.debug (bar='baz')
assert ret['foo'] == 'bar'
assert ret['bar'] == 'baz'
# override
ret = logger.debug (foo='baz')
assert ret['foo'] == 'baz'
# unbind
logger = logger.unbind (foo=None)
ret = logger.debug ()
assert 'foo' not in ret
def test_consumer (logger):
c = QueueConsumer ()
logger.connect (c)
ret = logger.debug (foo='bar')
assert len (c.data) == 1
assert c.data[0] == ret
assert ret['foo'] == 'bar'
c.data = []
# inheritance
logger = logger.bind (inherit=1)
ret = logger.debug (foo='bar')
assert len (c.data) == 1
assert c.data[0] == ret
assert ret['foo'] == 'bar'
assert ret['inherit'] == 1
c.data = []
# removal
logger.disconnect (c)
ret = logger.debug (foo='bar')
assert len (c.data) == 0
assert ret['foo'] == 'bar'
assert ret['inherit'] == 1
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