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# -*- coding: utf-8 -*-
import importlib
from os import environ as env
from unittest.mock import patch
import pytest
import expandvars
@patch.dict(env, {}, clear=True)
def test_expandvars_option_nounset():
importlib.reload(expandvars)
assert expandvars.expandvars("$FOO") == ""
with pytest.raises(
expandvars.ExpandvarsException, match="FOO: unbound variable"
) as e:
expandvars.expandvars("$FOO", nounset=True)
assert isinstance(e.value, expandvars.UnboundVariable)
with pytest.raises(
expandvars.ExpandvarsException, match="FOO: unbound variable"
) as e:
expandvars.expandvars("${FOO}", nounset=True)
assert isinstance(e.value, expandvars.UnboundVariable)
@patch.dict(env, {}, clear=True)
def test_expandvars_option_nounset_with_strict():
importlib.reload(expandvars)
with pytest.raises(
expandvars.ExpandvarsException, match="FOO: parameter null or not set"
) as e:
assert expandvars.expandvars("${FOO:?}", nounset=True)
assert isinstance(e.value, expandvars.ParameterNullOrNotSet)
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