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import os
from docker.credentials.utils import create_environment_dict
try:
from unittest import mock
except ImportError:
import mock
@mock.patch.dict(os.environ)
def test_create_environment_dict():
base = {'FOO': 'bar', 'BAZ': 'foobar'}
os.environ = base
assert create_environment_dict({'FOO': 'baz'}) == {
'FOO': 'baz', 'BAZ': 'foobar',
}
assert create_environment_dict({'HELLO': 'world'}) == {
'FOO': 'bar', 'BAZ': 'foobar', 'HELLO': 'world',
}
assert os.environ == base
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