pungi/tests/test_arguments.py

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from unittest import mock
try:
import unittest2 as unittest
except ImportError:
import unittest
import six
from pungi.scripts.pungi_koji import cli_main
class PungiKojiTestCase(unittest.TestCase):
@mock.patch("sys.argv", new=["prog", "--version"])
@mock.patch("sys.stderr", new_callable=six.StringIO)
@mock.patch("sys.stdout", new_callable=six.StringIO)
@mock.patch("pungi.scripts.pungi_koji.get_full_version", return_value="a-b-c.111")
def test_version(self, get_full_version, stdout, stderr):
with self.assertRaises(SystemExit) as cm:
cli_main()
self.assertEqual(cm.exception.code, 0)
# Python 2.7 prints the version to stderr, 3.4+ to stdout.
if six.PY3:
self.assertMultiLineEqual(stdout.getvalue(), "a-b-c.111\n")
else:
self.assertMultiLineEqual(stderr.getvalue(), "a-b-c.111\n")