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OpenStack Study: test_transfers.py

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# Copyright (C) 2013 Hewlett-Packard Development Company, L.P.

# 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.

"""Tests for transfers table."""

from cinder import context

from cinder import db

from cinder import exception

from cinder.openstack.common import log as logging

from cinder import test

from cinder.tests import utils

LOG = logging.getLogger(__name__)

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class TransfersTableTestCase(test.TestCase):

"""Test case for transfers model."""

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    def setUp(self):

        super(TransfersTableTestCase, self).setUp()

        self.ctxt = context.RequestContext(user_id='user_id',

                                           project_id='project_id')

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    def tearDown(self):

        super(TransfersTableTestCase, self).tearDown()

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    def _create_transfer(self, volume_id=None):

        """Create a transfer object."""

        transfer = {'display_name': 'display_name',

                    'salt': 'salt',

                    'crypt_hash': 'crypt_hash'}

        if volume_id is not None:

            transfer['volume_id'] = volume_id

        return db.transfer_create(self.ctxt, transfer)['id']

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    def test_transfer_create(self):

        # If the volume_id is Null a KeyError exception will be raised.

        self.assertRaises(KeyError,

                          self._create_transfer)

        volume_id = utils.create_volume(self.ctxt)['id']

        self._create_transfer(volume_id)

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    def test_transfer_create_not_available(self):

        volume_id = utils.create_volume(self.ctxt, size=1,

                                        status='notavailable')['id']

        self.assertRaises(exception.InvalidVolume,

                          self._create_transfer,

                          volume_id)

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    def test_transfer_get(self):

        volume_id1 = utils.create_volume(self.ctxt)['id']

        xfer_id1 = self._create_transfer(volume_id1)

        xfer = db.transfer_get(self.ctxt, xfer_id1)

        self.assertEqual(xfer.volume_id, volume_id1, "Unexpected volume_id")

        nctxt = context.RequestContext(user_id='new_user_id',

                                       project_id='new_project_id')

        self.assertRaises(exception.TransferNotFound,

                          db.transfer_get, nctxt, xfer_id1)

        xfer = db.transfer_get(nctxt.elevated(), xfer_id1)

        self.assertEqual(xfer.volume_id, volume_id1, "Unexpected volume_id")

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    def test_transfer_get_all(self):

        volume_id1 = utils.create_volume(self.ctxt)['id']

        volume_id2 = utils.create_volume(self.ctxt)['id']

        self._create_transfer(volume_id1)

        self._create_transfer(volume_id2)

        self.assertRaises(exception.NotAuthorized,

                          db.transfer_get_all,

                          self.ctxt)

        xfer = db.transfer_get_all(context.get_admin_context())

        self.assertEqual(len(xfer), 2, "Unexpected number of transfer records")

        xfer = db.transfer_get_all_by_project(self.ctxt, self.ctxt.project_id)

        self.assertEqual(len(xfer), 2, "Unexpected number of transfer records")

        nctxt = context.RequestContext(user_id='new_user_id',

                                       project_id='new_project_id')

        self.assertRaises(exception.NotAuthorized,

                          db.transfer_get_all_by_project,

                          nctxt, self.ctxt.project_id)

        xfer = db.transfer_get_all_by_project(nctxt.elevated(),

                                              self.ctxt.project_id)

        self.assertEqual(len(xfer), 2, "Unexpected number of transfer records")

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    def test_transfer_destroy(self):

        volume_id = utils.create_volume(self.ctxt)['id']

        volume_id2 = utils.create_volume(self.ctxt)['id']

        xfer_id1 = self._create_transfer(volume_id)

        xfer_id2 = self._create_transfer(volume_id2)

        xfer = db.transfer_get_all(context.get_admin_context())

        self.assertEqual(len(xfer), 2, "Unexpected number of transfer records")

        self.assertFalse(xfer[0]['deleted'], "Deleted flag is set")

        db.transfer_destroy(self.ctxt, xfer_id1)

        xfer = db.transfer_get_all(context.get_admin_context())

        self.assertEqual(len(xfer), 1, "Unexpected number of transfer records")

        self.assertEqual(xfer[0]['id'], xfer_id2,

                         "Unexpected value for Transfer id")

        nctxt = context.RequestContext(user_id='new_user_id',

                                       project_id='new_project_id')

        self.assertRaises(exception.TransferNotFound,

                          db.transfer_destroy, nctxt, xfer_id2)

        db.transfer_destroy(nctxt.elevated(), xfer_id2)

        xfer = db.transfer_get_all(context.get_admin_context())

        self.assertEqual(len(xfer), 0, "Unexpected number of transfer records")