OpenStack Orchestration (Heat)
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heat/heat/tests/clients/test_sahara_client.py

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5.4 KiB

#
# 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 uuid
import mock
from saharaclient.api import base as sahara_base
import six
from heat.common import exception
from heat.engine.clients.os import sahara
from heat.tests import common
from heat.tests import utils
class SaharaUtilsTests(common.HeatTestCase):
"""
Basic tests for the helper methods in
:module:'heat.engine.resources.clients.os.sahara'.
"""
def setUp(self):
super(SaharaUtilsTests, self).setUp()
self.sahara_client = mock.MagicMock()
con = utils.dummy_context()
c = con.clients
self.sahara_plugin = c.client_plugin('sahara')
self.sahara_plugin._client = self.sahara_client
self.my_image = mock.MagicMock()
def test_get_image_id(self):
"""Tests the get_image_id function."""
img_id = str(uuid.uuid4())
img_name = 'myfakeimage'
self.my_image.id = img_id
self.my_image.name = img_name
self.sahara_client.images.get.return_value = self.my_image
self.sahara_client.images.find.side_effect = [[self.my_image], []]
self.assertEqual(img_id, self.sahara_plugin.get_image_id(img_id))
self.assertEqual(img_id, self.sahara_plugin.get_image_id(img_name))
self.assertRaises(exception.EntityNotFound,
self.sahara_plugin.get_image_id, 'noimage')
calls = [mock.call(name=img_name),
mock.call(name='noimage')]
self.sahara_client.images.get.assert_called_once_with(img_id)
self.sahara_client.images.find.assert_has_calls(calls)
def test_get_image_id_by_name_in_uuid(self):
"""Tests the get_image_id function by name in uuid."""
img_id = str(uuid.uuid4())
img_name = str(uuid.uuid4())
self.my_image.id = img_id
self.my_image.name = img_name
self.sahara_client.images.get.side_effect = [
sahara_base.APIException(error_code=400,
error_name='IMAGE_NOT_REGISTERED')]
self.sahara_client.images.find.return_value = [self.my_image]
self.assertEqual(img_id, self.sahara_plugin.get_image_id(img_name))
self.sahara_client.images.get.assert_called_once_with(img_name)
self.sahara_client.images.find.assert_called_once_with(name=img_name)
def test_get_image_id_sahara_exception(self):
"""Test get_image_id when sahara raises an exception."""
# Simulate HTTP exception
img_name = str(uuid.uuid4())
self.sahara_client.images.find.side_effect = [
sahara_base.APIException(error_message="Error", error_code=404)]
expected_error = "Error retrieving image list from sahara: Error"
e = self.assertRaises(exception.Error,
self.sahara_plugin.get_image_id_by_name,
img_name)
self.assertEqual(expected_error, six.text_type(e))
self.sahara_client.images.find.assert_called_once_with(name=img_name)
def test_get_image_id_not_found(self):
"""Tests the get_image_id function while image is not found."""
img_name = str(uuid.uuid4())
self.my_image.name = img_name
self.sahara_client.images.get.side_effect = [
sahara_base.APIException(error_code=400,
error_name='IMAGE_NOT_REGISTERED')]
self.sahara_client.images.find.return_value = []
self.assertRaises(exception.EntityNotFound,
self.sahara_plugin.get_image_id, img_name)
self.sahara_client.images.get.assert_called_once_with(img_name)
self.sahara_client.images.find.assert_called_once_with(name=img_name)
def test_get_image_id_name_ambiguity(self):
"""Tests the get_image_id function while name ambiguity ."""
img_name = 'ambiguity_name'
self.my_image.name = img_name
self.sahara_client.images.find.return_value = [self.my_image,
self.my_image]
self.assertRaises(exception.PhysicalResourceNameAmbiguity,
self.sahara_plugin.get_image_id, img_name)
self.sahara_client.images.find.assert_called_once_with(name=img_name)
class ImageConstraintTest(common.HeatTestCase):
def setUp(self):
super(ImageConstraintTest, self).setUp()
self.ctx = utils.dummy_context()
self.mock_get_image = mock.Mock()
self.ctx.clients.client_plugin(
'sahara').get_image_id = self.mock_get_image
self.constraint = sahara.ImageConstraint()
def test_validation(self):
self.mock_get_image.return_value = "id1"
self.assertTrue(self.constraint.validate("foo", self.ctx))
def test_validation_error(self):
self.mock_get_image.side_effect = exception.EntityNotFound(
entity='Image', name='bar')
self.assertFalse(self.constraint.validate("bar", self.ctx))