Files
deb-python-ceilometerclient/ceilometerclient/tests/test_shell.py
ZhiQiang Fan 7390d78d95 Avoid unnecessary stderr message when run test
Currently, if we run `tox -epy27`, we will get an useless stderr
message 'HTTPUnauthorized (HTTP 401)', which is triggered on purpose
by a test. It should be mocked because it provides no such useful message.

Change-Id: I009310257741a34fe966d6d745de3c6cf58e0feb
Closes-Bug: #1323480
2014-05-27 12:26:40 +08:00

119 lines
4.1 KiB
Python

# 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 re
import six
import sys
import fixtures
import mock
from testtools import matchers
from keystoneclient.v2_0 import client as ksclient
from ceilometerclient import exc
from ceilometerclient import shell as ceilometer_shell
from ceilometerclient.tests import utils
from ceilometerclient.v1 import client as v1client
FAKE_ENV = {'OS_USERNAME': 'username',
'OS_PASSWORD': 'password',
'OS_TENANT_NAME': 'tenant_name',
'OS_AUTH_URL': 'http://no.where'}
class ShellTest(utils.BaseTestCase):
re_options = re.DOTALL | re.MULTILINE
# Patch os.environ to avoid required auth info.
def make_env(self, exclude=None):
env = dict((k, v) for k, v in FAKE_ENV.items() if k != exclude)
self.useFixture(fixtures.MonkeyPatch('os.environ', env))
def setUp(self):
super(ShellTest, self).setUp()
@mock.patch.object(ksclient, 'Client')
@mock.patch.object(v1client.http.HTTPClient, 'json_request')
@mock.patch.object(v1client.http.HTTPClient, 'raw_request')
def shell(self, argstr, mock_ksclient, mock_json, mock_raw):
orig = sys.stdout
try:
sys.stdout = six.StringIO()
_shell = ceilometer_shell.CeilometerShell()
_shell.main(argstr.split())
except SystemExit:
exc_type, exc_value, exc_traceback = sys.exc_info()
self.assertEqual(exc_value.code, 0)
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')
def test_help(self):
required = [
'.*?^usage: ceilometer',
'.*?^See "ceilometer help COMMAND" '
'for help on a specific command',
]
for argstr in ['--help', 'help']:
help_text = self.shell(argstr)
for r in required:
self.assertThat(help_text,
matchers.MatchesRegex(r,
self.re_options))
def test_help_on_subcommand(self):
required = [
'.*?^usage: ceilometer meter-list',
".*?^List the user's meter",
]
argstrings = [
'help meter-list',
]
for argstr in argstrings:
help_text = self.shell(argstr)
for r in required:
self.assertThat(help_text,
matchers.MatchesRegex(r, self.re_options))
def test_auth_param(self):
self.make_env(exclude='OS_USERNAME')
self.test_help()
@mock.patch.object(ksclient, 'Client')
def test_debug_switch_raises_error(self, mock_ksclient):
mock_ksclient.side_effect = exc.HTTPUnauthorized
self.make_env()
args = ['--debug', 'event-list']
self.assertRaises(exc.HTTPUnauthorized, ceilometer_shell.main, args)
@mock.patch.object(ksclient, 'Client')
def test_dash_d_switch_raises_error(self, mock_ksclient):
mock_ksclient.side_effect = exc.CommandError("FAIL")
self.make_env()
args = ['-d', 'event-list']
self.assertRaises(exc.CommandError, ceilometer_shell.main, args)
@mock.patch('sys.stderr')
@mock.patch.object(ksclient, 'Client')
def test_no_debug_switch_no_raises_errors(self, mock_ksclient, __):
mock_ksclient.side_effect = exc.HTTPUnauthorized("FAIL")
self.make_env()
args = ['event-list']
self.assertRaises(SystemExit, ceilometer_shell.main, args)