horizon/horizon/tests/api_tests/glance_tests.py

119 lines
4.7 KiB
Python

# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2012 United States Government as represented by the
# Administrator of the National Aeronautics and Space Administration.
# All Rights Reserved.
#
# Copyright 2012 Nebula, Inc.
#
# 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.
from glance.common import exception as glance_exception
from django.conf import settings
from horizon import api
from horizon import test
class GlanceApiTests(test.APITestCase):
def test_get_glanceclient(self):
""" Verify the client connection method does what we expect. """
# Replace the original client which is stubbed out in setUp()
api.glance.glanceclient = self._original_glanceclient
client = api.glance.glanceclient(self.request)
self.assertEqual(client.auth_tok, self.tokens.first().id)
def test_image_get_meta(self):
""" Verify "get" returns our custom Image class. """
image = self.images.get(id='1')
glanceclient = self.stub_glanceclient()
glanceclient.get_image_meta(image.id).AndReturn(image)
self.mox.ReplayAll()
ret_val = api.image_get_meta(self.request, image.id)
self.assertIsInstance(ret_val, api.glance.Image)
self.assertEqual(ret_val._apidict, image)
def test_image_list_detailed(self):
""" Verify "list" returns our custom Image class. """
images = self.images.list()
glanceclient = self.stub_glanceclient()
glanceclient.get_images_detailed(filters={}, limit=1001, marker=None) \
.AndReturn([images, False])
self.mox.ReplayAll()
ret_val, _more = api.image_list_detailed(self.request)
for image in ret_val:
self.assertIsInstance(image, api.glance.Image)
def test_glance_exception_wrapping_for_internal_server_errors(self):
"""
Verify that generic "Exception" classed exceptions from the glance
client's HTTP Internal Service Errors get converted to
ClientConnectionError's.
"""
# TODO(johnp): Remove once Bug 952618 is fixed in the glance client.
glanceclient = self.stub_glanceclient()
glanceclient.get_images_detailed(filters={}, limit=1001, marker=None) \
.AndRaise(Exception("Internal Server error: "))
self.mox.ReplayAll()
with self.assertRaises(glance_exception.ClientConnectionError):
api.image_list_detailed(self.request)
def test_glance_exception_wrapping_for_generic_http_errors(self):
"""
Verify that generic "Exception" classed exceptions from the glance
client's HTTP errors get converted to ClientConnectionError's.
"""
# TODO(johnp): Remove once Bug 952618 is fixed in the glance client.
glanceclient = self.stub_glanceclient()
exc = Exception("Unknown error occurred! 503 Service Unavailable")
glanceclient.get_images_detailed(filters={}, limit=1001, marker=None) \
.AndRaise(exc)
self.mox.ReplayAll()
with self.assertRaises(glance_exception.ClientConnectionError):
api.image_list_detailed(self.request)
class ImageWrapperTests(test.TestCase):
""" Tests for wrapper classes since they have extra logic attached. """
WITHOUT_PROPERTIES = {'size': 100}
WITH_PROPERTIES = {'properties': {'image_state': 'running'},
'size': 100}
def test_get_properties(self):
image = api.Image(self.WITH_PROPERTIES)
image_props = image.properties
self.assertIsInstance(image_props, api.ImageProperties)
self.assertEqual(image_props.image_state, 'running')
def test_get_other(self):
image = api.Image(self.WITH_PROPERTIES)
self.assertEqual(image.size, 100)
def test_get_properties_missing(self):
image = api.Image(self.WITHOUT_PROPERTIES)
with self.assertRaises(AttributeError):
image.properties
def test_get_other_missing(self):
image = api.Image(self.WITHOUT_PROPERTIES)
with self.assertRaises(AttributeError):
self.assertNotIn('missing', image._attrs,
msg="Test assumption broken. Find new missing attribute")
image.missing