# Copyright 2014 - Savoir-Faire Linux inc.
# Copyright (c) 2014 Hewlett-Packard Development Company, L.P.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.

import sys
import unittest

import six

from surveilclient import exc
from surveilclient import shell as surveil_shell


class ShellTest(unittest.TestCase):

    def shell(self, argstr):
        orig = sys.stdout
        try:
            sys.stdout = six.StringIO()
            _shell = surveil_shell.SurveilShell()
            _shell.main(argstr.split())
        except SystemExit:
            exc_type, exc_value, exc_traceback = sys.exc_info()
            self.assertEqual(0, exc_value.code)
        finally:
            out = sys.stdout.getvalue()
            sys.stdout.close()
            sys.stdout = orig
        return out

    def test_help_unknown_command(self):
        self.assertRaises(exc.CommandError, self.shell, 'help foofoo')