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#########
# Copyright (c) 2014 GigaSpaces Technologies Ltd. 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
import os
import tempfile
import unittest
import glance_plugin
from glance_plugin import image
from cloudify.mocks import MockCloudifyContext
from cloudify.test_utils import workflow_test
from cloudify.exceptions import NonRecoverableError
def ctx_mock(image_dict):
return MockCloudifyContext(
node_id='d',
properties=image_dict)
class TestCheckImage(unittest.TestCase):
@mock.patch('glance_plugin.image.ctx',
ctx_mock({'image': {}}))
def test_check_image_no_file_no_url(self):
# Test if it throws exception no file & no url
self.assertRaises(NonRecoverableError,
image._validate_image)
@mock.patch('glance_plugin.image.ctx',
ctx_mock({'image_url': 'test-url', 'image': {'data': '.'}}))
def test_check_image_and_url(self):
# Test if it throws exception file & url
self.assertRaises(NonRecoverableError,
image._validate_image)
@mock.patch('glance_plugin.image.ctx',
ctx_mock({'image_url': 'test-url', 'image': {}}))
def test_check_image_url(self):
# test if it passes no file & url
http_connection_mock = mock.MagicMock()
http_connection_mock.return_value.getresponse.return_value.status = 200
with mock.patch('httplib.HTTPConnection', http_connection_mock):
glance_plugin.image._validate_image()
def test_check_image_file(self):
# test if it passes file & no url
image_file_path = tempfile.mkstemp()[1]
with mock.patch('glance_plugin.image.ctx',
ctx_mock({'image': {'data': image_file_path}})):
glance_plugin.image._validate_image()
@mock.patch('glance_plugin.image.ctx',
ctx_mock({'image': {'data': '/test/path'}}))
# test when open file throws IO error
def test_check_image_bad_file(self):
open_name = '%s.open' % __name__
with mock.patch(open_name, create=True) as mock_open:
mock_open.side_effect = [mock_open(read_data='Data').return_value]
self.assertRaises(NonRecoverableError,
glance_plugin.image._validate_image)
@mock.patch('glance_plugin.image.ctx',
ctx_mock({'image_url': '?', 'image': {}}))
# test when bad url
def test_check_image_bad_url(self):
http_connection_mock = mock.MagicMock()
http_connection_mock.return_value.getresponse.return_value.status = 400
with mock.patch('httplib.HTTPConnection', http_connection_mock):
self.assertRaises(NonRecoverableError,
glance_plugin.image._validate_image)
class TestValidateProperties(unittest.TestCase):
@mock.patch('glance_plugin.image.ctx',
ctx_mock({'image': {'container_format': 'bare'}}))
def test_check_image_container_format_no_disk_format(self):
# Test if it throws exception no file & no url
self.assertRaises(NonRecoverableError,
image._validate_image_dictionary)
@mock.patch('glance_plugin.image.ctx',
ctx_mock({'image': {'disk_format': 'qcow2'}}))
def test_check_image_no_container_format_disk_format(self):
# Test if it throws exception no container_format & disk_format
self.assertRaises(NonRecoverableError,
image._validate_image_dictionary)
@mock.patch('glance_plugin.image.ctx',
ctx_mock({'image': {}}))
def test_check_image_no_container_format_no_disk_format(self):
# Test if it throws exception no container_format & no disk_format
self.assertRaises(NonRecoverableError,
image._validate_image_dictionary)
@mock.patch('glance_plugin.image.ctx',
ctx_mock(
{'image':
{'container_format': 'bare',
'disk_format': 'qcow2'}}))
def test_check_image_container_format_disk_format(self):
# Test if it do not throw exception container_format & disk_format
image._validate_image_dictionary()
class TestStartImage(unittest.TestCase):
blueprint_path = os.path.join('resources',
'test-image-start.yaml')
@mock.patch('glance_plugin.image.create')
@workflow_test(blueprint_path, copy_plugin_yaml=True)
def test_image_lifecycle_start(self, cfy_local, *_):
test_vars = {
'counter': 0,
'image': mock.MagicMock()
}
def _mock_get_image_by_ctx(*_):
i = test_vars['image']
if test_vars['counter'] == 0:
i.status = 'different image status'
else:
i.status = glance_plugin.image.IMAGE_STATUS_ACTIVE
test_vars['counter'] += 1
return i
with mock.patch('openstack_plugin_common.GlanceClient'):
with mock.patch('glance_plugin.image._get_image_by_ctx',
side_effect=_mock_get_image_by_ctx):
cfy_local.execute('install', task_retries=3)
self.assertEqual(2, test_vars['counter'])
self.assertEqual(0, test_vars['image'].start.call_count)
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