def test_pickle(self, proto):
"""
Can be pickled and unpickled.
"""
bllp = BoundLoggerLazyProxy(None)
assert repr(bllp) == repr(pickle.loads(pickle.dumps(bllp, proto)))
def test_honors_wrapper_class(self):
"""
Passed wrapper_class is used.
"""
p = BoundLoggerLazyProxy(None, wrapper_class=Wrapper)
b = p.bind()
assert isinstance(b, Wrapper)
def test_unbind_unbinds_from_initial_values(self):
"""
It's possible to unbind a value that came from initial_values.
"""
p = BoundLoggerLazyProxy(None, initial_values={"a": 1, "b": 2})
b = p.unbind("a")
assert {"b": 2} == b._context
def test_new_binds_only_initial_values_explicit_ctx_class(self, proxy):
proxy = BoundLoggerLazyProxy(None,
initial_values={
"a": 1,
"b": 2
},
context_class=dict)
b = proxy.new(foo=42)
assert {"a": 1, "b": 2, "foo": 42} == b._context
def test_new_binds_only_initial_values_implicit_ctx_class(self, proxy):
"""
new() doesn't clear initial_values if context_class comes from config.
"""
proxy = BoundLoggerLazyProxy(None, initial_values={"a": 1, "b": 2})
b = proxy.new(foo=42)
assert {"a": 1, "b": 2, "foo": 42} == b._context
def test_bind_honors_initial_values(self):
"""
Passed initia_values are merged on binds.
"""
p = BoundLoggerLazyProxy(None, initial_values={"a": 1, "b": 2})
b = p.bind()
assert {"a": 1, "b": 2} == b._context
b = p.bind(c=3)
assert {"a": 1, "b": 2, "c": 3} == b._context
def test_emphemeral(self):
"""
Calling an unknown method proxy creates a new wrapped bound logger
first.
"""
class Foo(BoundLoggerBase):
def foo(self):
return 42
proxy = BoundLoggerLazyProxy(None,
wrapper_class=Foo,
cache_logger_on_first_use=False)
assert 42 == proxy.foo()
def test_repr(self):
p = BoundLoggerLazyProxy(
None, processors=[1, 2, 3], context_class=dict,
initial_values={'foo': 42}, logger_factory_args=(4, 5),
)
assert (
"<BoundLoggerLazyProxy(logger=None, wrapper_class=None, "
"processors=[1, 2, 3], "
"context_class=<%s 'dict'>, "
"initial_values={'foo': 42}, "
"logger_factory_args=(4, 5))>"
% ('class' if PY3 else 'type',)
) == repr(p)
def test_new_binds_only_initial_values_explicit_ctx_class(self, proxy):
"""
new() doesn't clear initial_values if context_class is passed
explicitly..
"""
proxy = BoundLoggerLazyProxy(None,
initial_values={
"a": 1,
"b": 2
},
context_class=dict)
b = proxy.new(foo=42)
assert {"a": 1, "b": 2, "foo": 42} == b._context
def test_argument_takes_precedence_over_configuration(self, cache):
"""
Passing cache_logger_on_first_use as an argument overrides config.
"""
configure(cache_logger_on_first_use=cache)
proxy = BoundLoggerLazyProxy(None, cache_logger_on_first_use=not cache)
bind = proxy.bind
proxy.bind()
if cache:
assert bind == proxy.bind
else:
assert bind != proxy.bind
def test_bind_doesnt_cache_logger(self):
"""
Calling configure() changes BoundLoggerLazyProxys immediately.
Previous uses of the BoundLoggerLazyProxy don't interfere.
"""
class F(object):
"New logger factory with a new attribute"
def a(self, *args):
return 5
proxy = BoundLoggerLazyProxy(None)
proxy.bind()
configure(logger_factory=F)
new_b = proxy.bind()
assert new_b.a() == 5
def test_repr(self):
"""
repr reflects all attributes.
"""
p = BoundLoggerLazyProxy(
None,
processors=[1, 2, 3],
context_class=dict,
initial_values={"foo": 42},
logger_factory_args=(4, 5),
)
assert ("<BoundLoggerLazyProxy(logger=None, wrapper_class=None, "
"processors=[1, 2, 3], "
"context_class=<class 'dict'>, "
"initial_values={'foo': 42}, "
"logger_factory_args=(4, 5))>") == repr(p)
def test_prefers_args_over_config(self):
p = BoundLoggerLazyProxy(None, processors=[1, 2, 3],
context_class=dict)
b = p.bind()
assert isinstance(b._context, dict)
assert [1, 2, 3] == b._processors
class Class(object):
def __init__(self, *args, **kw):
pass
def update(self, *args, **kw):
pass
configure(processors=[4, 5, 6], context_class=Class)
b = p.bind()
assert not isinstance(b._context, Class)
assert [1, 2, 3] == b._processors
def test_prefers_args_over_config(self):
"""
Configuration can be overridden by passing arguments.
"""
p = BoundLoggerLazyProxy(None,
processors=[1, 2, 3],
context_class=dict)
b = p.bind()
assert isinstance(b._context, dict)
assert [1, 2, 3] == b._processors
class Class:
def __init__(self, *args, **kw):
pass
def update(self, *args, **kw):
pass
configure(processors=[4, 5, 6], context_class=Class)
b = p.bind()
assert not isinstance(b._context, Class)
assert [1, 2, 3] == b._processors
def proxy():
"""
Returns a BoundLoggerLazyProxy constructed w/o paramaters & None as logger.
"""
return BoundLoggerLazyProxy(None)
def test_argument_takes_precedence_over_configuration2(self):
configure(cache_logger_on_first_use=False)
proxy = BoundLoggerLazyProxy(None, cache_logger_on_first_use=True)
bind = proxy.bind
proxy.bind()
assert bind != proxy.bind
def test_unbind_unbinds_from_initial_values(self):
p = BoundLoggerLazyProxy(None, initial_values={"a": 1, "b": 2})
b = p.unbind("a")
assert {"b": 2} == b._context
def test_bind_honors_initial_values(self):
p = BoundLoggerLazyProxy(None, initial_values={"a": 1, "b": 2})
b = p.bind()
assert {"a": 1, "b": 2} == b._context
b = p.bind(c=3)
assert {"a": 1, "b": 2, "c": 3} == b._context
def test_new_binds_only_initial_values_impolicit_ctx_class(self, proxy):
proxy = BoundLoggerLazyProxy(None, initial_values={'a': 1, 'b': 2})
b = proxy.new(foo=42)
assert {'a': 1, 'b': 2, 'foo': 42} == b._context
def test_unbind_unbinds_from_initial_values(self):
p = BoundLoggerLazyProxy(None, initial_values={'a': 1, 'b': 2})
b = p.unbind('a')
assert {'b': 2} == b._context
def test_bind_honors_initial_values(self):
p = BoundLoggerLazyProxy(None, initial_values={'a': 1, 'b': 2})
b = p.bind()
assert {'a': 1, 'b': 2} == b._context
b = p.bind(c=3)
assert {'a': 1, 'b': 2, 'c': 3} == b._context