OpenStack Study: test_filesystem.py

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# Copyright 2012 OpenStack Foundation

# 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.

"""

Functional tests for the File store interface

"""

import os

import os.path

import fixtures

import oslo.config.cfg

import testtools

import glance.store.filesystem

import glance.tests.functional.store as store_tests

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class TestFilesystemStore(store_tests.BaseTestCase, testtools.TestCase):

store_cls_path = 'glance.store.filesystem.Store'

store_cls = glance.store.filesystem.Store

store_name = 'filesystem'

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    def setUp(self):

        super(TestFilesystemStore, self).setUp()

        self.tmp_dir = self.useFixture(fixtures.TempDir()).path

        self.store_dir = os.path.join(self.tmp_dir, 'images')

        os.mkdir(self.store_dir)

        config_file = os.path.join(self.tmp_dir, 'glance.conf')

        with open(config_file, 'w') as fap:

            fap.write("[DEFAULT]\n")

            fap.write("filesystem_store_datadir=%s" % self.store_dir)

        oslo.config.cfg.CONF(default_config_files=[config_file], args=[])

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    def get_store(self, **kwargs):

        store = glance.store.filesystem.Store(context=kwargs.get('context'))

        store.configure()

        store.configure_add()

        return store

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    def stash_image(self, image_id, image_data):

        filepath = os.path.join(self.store_dir, image_id)

        with open(filepath, 'w') as fap:

            fap.write(image_data)

        return 'file://%s' % filepath