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# Copyright (c) 2013 NEC Corporation
# All Rights Reserved.
#
# 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 mock
from oslotest import base as test_base
import webob.dec
import webob.exc
from oslo_middleware import healthcheck
class HealthcheckTests(test_base.BaseTestCase):
@staticmethod
@webob.dec.wsgify
def application(req):
return 'Hello, World!!!'
def _do_test(self, conf={}, path='/healthcheck',
expected_code=webob.exc.HTTPOk.code,
expected_body=b''):
self.app = healthcheck.Healthcheck(self.application, conf)
req = webob.Request.blank(path)
res = req.get_response(self.app)
self.assertEqual(expected_code, res.status_int)
self.assertEqual(expected_body, res.body)
def test_default_path_match(self):
self._do_test()
def test_default_path_not_match(self):
self._do_test(path='/toto', expected_body=b'Hello, World!!!')
def test_configured_path_match(self):
conf = {'path': '/hidden_healthcheck'}
self._do_test(conf, path='/hidden_healthcheck')
def test_configured_path_not_match(self):
conf = {'path': '/hidden_healthcheck'}
self._do_test(conf, path='/toto', expected_body=b'Hello, World!!!')
@mock.patch('logging.warn')
def test_disablefile_unconfigured(self, fake_warn):
conf = {'backends': 'disable_by_file'}
self._do_test(conf, expected_body=b'OK')
self.assertIn('disable_by_file', self.app._backends.names())
fake_warn.assert_called_once('DisableByFile healthcheck middleware '
'enabled without disable_by_file_path '
'set')
def test_disablefile_enabled(self):
conf = {'backends': 'disable_by_file',
'disable_by_file_path': '/foobar'}
self._do_test(conf, expected_body=b'OK')
self.assertIn('disable_by_file', self.app._backends.names())
def test_disablefile_disabled(self):
filename = self.create_tempfiles([('test', 'foobar')])[0]
conf = {'backends': 'disable_by_file',
'disable_by_file_path': filename}
self._do_test(conf,
expected_code=webob.exc.HTTPServiceUnavailable.code,
expected_body=b'DISABLED BY FILE')
self.assertIn('disable_by_file', self.app._backends.names())
def test_two_backends(self):
filename = self.create_tempfiles([('test', 'foobar')])[0]
conf = {'backends': 'disable_by_file,disable_by_file',
'disable_by_file_path': filename}
self._do_test(conf,
expected_code=webob.exc.HTTPServiceUnavailable.code,
expected_body=b'DISABLED BY FILE\nDISABLED BY FILE')
self.assertIn('disable_by_file', self.app._backends.names())
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