def test_caches(self):
"""
There's no need to have several loggers so we return the same one on
each call.
"""
f = ReturnLoggerFactory()
assert f() is f()
def test_ignores_args(self):
"""
ReturnLogger doesn't take positional arguments. If any are passed to
the factory, they are not passed to the logger.
"""
ReturnLoggerFactory()(1, 2, 3)
def test_builds_returnloggers(self):
f = ReturnLoggerFactory()
assert isinstance(f(), ReturnLogger)