db69c62216
This patch adds some missing tests for a couple of edge cases. Change-Id: I3929595fddca0628269af6235bbb0fca853ae3eb
200 lines
8.8 KiB
Python
200 lines
8.8 KiB
Python
# Copyright 2014 Cloudbase Solutions Srl
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import os
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import posixpath
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import unittest
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try:
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import unittest.mock as mock
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except ImportError:
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import mock
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from oslo.config import cfg
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from six.moves.urllib import error
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from cloudbaseinit.metadata.services import base
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from cloudbaseinit.metadata.services import maasservice
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from cloudbaseinit.tests import testutils
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from cloudbaseinit.utils import x509constants
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CONF = cfg.CONF
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class MaaSHttpServiceTest(unittest.TestCase):
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def setUp(self):
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self._maasservice = maasservice.MaaSHttpService()
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@mock.patch("cloudbaseinit.metadata.services.maasservice.MaaSHttpService"
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"._get_cache_data")
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def _test_load(self, mock_get_cache_data, ip, cache_data_fails=False):
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if cache_data_fails:
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mock_get_cache_data.side_effect = Exception
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with testutils.ConfPatcher('maas_metadata_url', ip):
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with testutils.LogSnatcher('cloudbaseinit.metadata.services.'
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'maasservice') as snatcher:
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response = self._maasservice.load()
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if ip is not None:
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if not cache_data_fails:
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mock_get_cache_data.assert_called_once_with(
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'%s/meta-data/' % self._maasservice._metadata_version)
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self.assertTrue(response)
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else:
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expected_logging = 'Metadata not found at URL \'%s\'' % ip
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self.assertEqual(expected_logging, snatcher.output[-1])
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else:
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self.assertFalse(response)
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def test_load(self):
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self._test_load(ip='196.254.196.254')
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def test_load_no_ip(self):
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self._test_load(ip=None)
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def test_load_get_cache_data_fails(self):
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self._test_load(ip='196.254.196.254', cache_data_fails=True)
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@mock.patch('six.moves.urllib.request.urlopen')
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def _test_get_response(self, mock_urlopen, ret_val):
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mock_request = mock.MagicMock()
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mock_urlopen.side_effect = [ret_val]
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if isinstance(ret_val, error.HTTPError) and ret_val.code == 404:
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self.assertRaises(base.NotExistingMetadataException,
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self._maasservice._get_response, mock_request)
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elif isinstance(ret_val, error.HTTPError) and ret_val.code != 404:
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self.assertRaises(error.HTTPError,
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self._maasservice._get_response, mock_request)
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else:
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response = self._maasservice._get_response(req=mock_request)
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mock_urlopen.assert_called_once_with(mock_request)
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self.assertEqual(ret_val, response)
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def test_get_response(self):
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self._test_get_response(ret_val='fake response')
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def test_get_response_error_404(self):
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err = error.HTTPError("http://169.254.169.254/", 404,
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'test error 404', {}, None)
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self._test_get_response(ret_val=err)
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def test_get_response_error_not_404(self):
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err = error.HTTPError("http://169.254.169.254/", 409,
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'test other error', {}, None)
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self._test_get_response(ret_val=err)
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@testutils.ConfPatcher('maas_oauth_consumer_key', 'consumer_key')
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@testutils.ConfPatcher('maas_oauth_consumer_secret', 'consumer_secret')
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@testutils.ConfPatcher('maas_oauth_token_key', 'token_key')
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@testutils.ConfPatcher('maas_oauth_token_secret', 'token_secret')
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def test_get_oauth_headers(self):
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response = self._maasservice._get_oauth_headers(url='196.254.196.254')
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self.assertIsInstance(response, dict)
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self.assertIn('Authorization', response)
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auth = response['Authorization']
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self.assertTrue(auth.startswith('OAuth'))
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auth = auth[6:]
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parts = [item.strip() for item in auth.split(",")]
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auth_parts = dict(part.split("=") for part in parts)
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required_headers = {
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'oauth_token',
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'oauth_consumer_key',
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'oauth_signature',
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}
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self.assertTrue(required_headers.issubset(set(auth_parts)))
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self.assertEqual('"token_key"', auth_parts['oauth_token'])
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self.assertEqual('"consumer_key"', auth_parts['oauth_consumer_key'])
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self.assertEqual('"consumer_secret%26token_secret"',
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auth_parts['oauth_signature'])
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@mock.patch("cloudbaseinit.metadata.services.maasservice.MaaSHttpService"
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"._get_oauth_headers")
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@mock.patch("six.moves.urllib.request.Request")
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@mock.patch("cloudbaseinit.metadata.services.maasservice.MaaSHttpService"
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"._get_response")
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def test_get_data(self, mock_get_response, mock_Request,
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mock_get_oauth_headers):
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with testutils.ConfPatcher('maas_metadata_url', '196.254.196.254'):
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fake_path = os.path.join('fake', 'path')
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mock_get_oauth_headers.return_value = 'fake headers'
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response = self._maasservice._get_data(path=fake_path)
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norm_path = posixpath.join(CONF.maas_metadata_url, fake_path)
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mock_get_oauth_headers.assert_called_once_with(norm_path)
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mock_Request.assert_called_once_with(norm_path,
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headers='fake headers')
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mock_get_response.assert_called_once_with(mock_Request())
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self.assertEqual(mock_get_response.return_value.read.return_value,
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response)
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@mock.patch("cloudbaseinit.metadata.services.maasservice.MaaSHttpService"
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"._get_cache_data")
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def test_get_host_name(self, mock_get_cache_data):
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response = self._maasservice.get_host_name()
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mock_get_cache_data.assert_called_once_with(
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'%s/meta-data/local-hostname' %
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self._maasservice._metadata_version)
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self.assertEqual(mock_get_cache_data.return_value, response)
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@mock.patch("cloudbaseinit.metadata.services.maasservice.MaaSHttpService"
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"._get_cache_data")
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def test_get_instance_id(self, mock_get_cache_data):
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response = self._maasservice.get_instance_id()
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mock_get_cache_data.assert_called_once_with(
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'%s/meta-data/instance-id' % self._maasservice._metadata_version)
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self.assertEqual(mock_get_cache_data.return_value, response)
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def test_get_list_from_text(self):
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response = self._maasservice._get_list_from_text('fake:text', ':')
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self.assertEqual(['fake:', 'text:'], response)
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@mock.patch("cloudbaseinit.metadata.services.maasservice.MaaSHttpService"
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"._get_list_from_text")
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@mock.patch("cloudbaseinit.metadata.services.maasservice.MaaSHttpService"
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"._get_cache_data")
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def test_get_public_keys(self, mock_get_cache_data,
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mock_get_list_from_text):
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response = self._maasservice.get_public_keys()
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mock_get_cache_data.assert_called_with(
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'%s/meta-data/public-keys' % self._maasservice._metadata_version)
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mock_get_list_from_text.assert_called_once_with(mock_get_cache_data(),
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"\n")
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self.assertEqual(mock_get_list_from_text.return_value, response)
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@mock.patch("cloudbaseinit.metadata.services.maasservice.MaaSHttpService"
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"._get_list_from_text")
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@mock.patch("cloudbaseinit.metadata.services.maasservice.MaaSHttpService"
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"._get_cache_data")
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def test_get_client_auth_certs(self, mock_get_cache_data,
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mock_get_list_from_text):
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response = self._maasservice.get_client_auth_certs()
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mock_get_cache_data.assert_called_with(
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'%s/meta-data/x509' % self._maasservice._metadata_version)
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mock_get_list_from_text.assert_called_once_with(
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mock_get_cache_data(), "%s\n" % x509constants.PEM_FOOTER)
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self.assertEqual(mock_get_list_from_text.return_value, response)
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@mock.patch("cloudbaseinit.metadata.services.maasservice.MaaSHttpService"
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"._get_cache_data")
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def test_get_user_data(self, mock_get_cache_data):
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response = self._maasservice.get_user_data()
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mock_get_cache_data.assert_called_once_with(
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'%s/user-data' %
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self._maasservice._metadata_version)
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self.assertEqual(mock_get_cache_data.return_value, response)
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