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import pickle
from io import StringIO, BytesIO
from kombu.utils.div import emergency_dump_state
class MyStringIO(StringIO):
def close(self):
pass
class MyBytesIO(BytesIO):
def close(self):
pass
class test_emergency_dump_state:
def test_dump(self, stdouts):
fh = MyBytesIO()
stderr = StringIO()
emergency_dump_state(
{'foo': 'bar'}, open_file=lambda n, m: fh, stderr=stderr)
assert pickle.loads(fh.getvalue()) == {'foo': 'bar'}
assert stderr.getvalue()
assert not stdouts.stdout.getvalue()
def test_dump_second_strategy(self, stdouts):
fh = MyStringIO()
stderr = StringIO()
def raise_something(*args, **kwargs):
raise KeyError('foo')
emergency_dump_state(
{'foo': 'bar'},
open_file=lambda n, m: fh,
dump=raise_something,
stderr=stderr,
)
assert 'foo' in fh.getvalue()
assert 'bar' in fh.getvalue()
assert stderr.getvalue()
assert not stdouts.stdout.getvalue()
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