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import re
import pytest
# "gen" is the abbreviated name for "getentityname.py"
import gen
def test_help(capsys):
# given
# n/a
# when
with pytest.raises(SystemExit):
gen.main(["prog", "--help"])
# then
assert capsys.readouterr()
def test_invalid(capsys):
# given
# n/a
# when
with pytest.raises(SystemExit):
gen.main(["prog", "--asdf"])
# then
assert capsys.readouterr()
def test_version(capsys):
# given
# n/a
# when
with pytest.raises(SystemExit):
gen.main(["prog", "--version"])
captured = capsys.readouterr()
# then
assert captured.out.rstrip() == gen.__version__
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