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# Copyright 2011 Eldar Nugaev
# 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 string
import mock
import webob
from nova.api.openstack.compute import console_output \
as console_output_v21
from nova.compute import api as compute_api
from nova import exception
from nova import test
from nova.tests.unit.api.openstack import fakes
from nova.tests.unit import fake_instance
def fake_get_console_output(self, _context, _instance, tail_length):
fixture = [str(i) for i in range(5)]
if tail_length is None:
pass
elif tail_length == 0:
fixture = []
else:
fixture = fixture[-int(tail_length):]
return '\n'.join(fixture)
def fake_get_console_output_not_ready(self, _context, _instance, tail_length):
raise exception.InstanceNotReady(instance_id=_instance["uuid"])
def fake_get_console_output_all_characters(self, _ctx, _instance, _tail_len):
return string.printable
def fake_get(self, context, instance_uuid, expected_attrs=None,
cell_down_support=False):
return fake_instance.fake_instance_obj(context, **{'uuid': instance_uuid})
def fake_get_not_found(*args, **kwargs):
raise exception.InstanceNotFound(instance_id='fake')
class ConsoleOutputExtensionTestV21(test.NoDBTestCase):
controller_class = console_output_v21
validation_error = exception.ValidationError
def setUp(self):
super(ConsoleOutputExtensionTestV21, self).setUp()
self.stub_out('nova.compute.api.API.get_console_output',
fake_get_console_output)
self.stub_out('nova.compute.api.API.get', fake_get)
self.controller = self.controller_class.ConsoleOutputController()
self.req = fakes.HTTPRequest.blank('')
def _get_console_output(self, length_dict=None):
length_dict = length_dict or {}
body = {'os-getConsoleOutput': length_dict}
return self.controller.get_console_output(self.req, fakes.FAKE_UUID,
body=body)
def _check_console_output_failure(self, exception, body):
self.assertRaises(exception,
self.controller.get_console_output,
self.req, fakes.FAKE_UUID, body=body)
def test_get_text_console_instance_action(self):
output = self._get_console_output()
self.assertEqual({'output': '0\n1\n2\n3\n4'}, output)
def test_get_console_output_with_tail(self):
output = self._get_console_output(length_dict={'length': 3})
self.assertEqual({'output': '2\n3\n4'}, output)
def test_get_console_output_with_none_length(self):
output = self._get_console_output(length_dict={'length': None})
self.assertEqual({'output': '0\n1\n2\n3\n4'}, output)
def test_get_console_output_with_length_as_str(self):
output = self._get_console_output(length_dict={'length': '3'})
self.assertEqual({'output': '2\n3\n4'}, output)
def test_get_console_output_filtered_characters(self):
self.stub_out('nova.compute.api.API.get_console_output',
fake_get_console_output_all_characters)
output = self._get_console_output()
expect = (string.digits + string.ascii_letters +
string.punctuation + ' \t\n')
self.assertEqual({'output': expect}, output)
def test_get_text_console_no_instance(self):
self.stub_out('nova.compute.api.API.get', fake_get_not_found)
body = {'os-getConsoleOutput': {}}
self._check_console_output_failure(webob.exc.HTTPNotFound, body)
def test_get_text_console_no_instance_on_get_output(self):
self.stub_out('nova.compute.api.API.get_console_output',
fake_get_not_found)
body = {'os-getConsoleOutput': {}}
self._check_console_output_failure(webob.exc.HTTPNotFound, body)
def test_get_console_output_with_non_integer_length(self):
body = {'os-getConsoleOutput': {'length': 'NaN'}}
self._check_console_output_failure(self.validation_error, body)
def test_get_text_console_bad_body(self):
body = {}
self._check_console_output_failure(self.validation_error, body)
def test_get_console_output_with_length_as_float(self):
body = {'os-getConsoleOutput': {'length': 2.5}}
self._check_console_output_failure(self.validation_error, body)
def test_get_console_output_not_ready(self):
self.stub_out('nova.compute.api.API.get_console_output',
fake_get_console_output_not_ready)
body = {'os-getConsoleOutput': {}}
self._check_console_output_failure(webob.exc.HTTPConflict, body)
def test_not_implemented(self):
self.stub_out('nova.compute.api.API.get_console_output',
fakes.fake_not_implemented)
body = {'os-getConsoleOutput': {}}
self._check_console_output_failure(webob.exc.HTTPNotImplemented, body)
def test_get_console_output_with_boolean_length(self):
body = {'os-getConsoleOutput': {'length': True}}
self._check_console_output_failure(self.validation_error, body)
@mock.patch.object(compute_api.API, 'get_console_output',
side_effect=exception.ConsoleNotAvailable(
instance_uuid='fake_uuid'))
def test_get_console_output_not_available(self, mock_get_console_output):
body = {'os-getConsoleOutput': {}}
self._check_console_output_failure(webob.exc.HTTPNotFound, body)
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