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import pickle
from pathlib import Path
import pytest
import yatest.common as yc
here = Path(yc.source_path(__file__)).resolve().parent
def test_pickle(any_multidict_class, pickle_protocol):
d = any_multidict_class([("a", 1), ("a", 2)])
pbytes = pickle.dumps(d, pickle_protocol)
obj = pickle.loads(pbytes)
assert d == obj
assert isinstance(obj, any_multidict_class)
def test_pickle_proxy(any_multidict_class, any_multidict_proxy_class):
d = any_multidict_class([("a", 1), ("a", 2)])
proxy = any_multidict_proxy_class(d)
with pytest.raises(TypeError):
pickle.dumps(proxy)
def test_load_from_file(any_multidict_class, multidict_implementation, pickle_protocol):
multidict_class_name = any_multidict_class.__name__
pickle_file_basename = "-".join(
(
multidict_class_name.lower(),
multidict_implementation.tag,
)
)
d = any_multidict_class([("a", 1), ("a", 2)])
fname = f"{pickle_file_basename}.pickle.{pickle_protocol}"
p = here / fname
with p.open("rb") as f:
obj = pickle.load(f)
assert d == obj
assert isinstance(obj, any_multidict_class)
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