5aaac4c6fa
Updates tox.ini to remove suppressed F401 standard. Updates the code files containing unused import statements Change-Id: Ib44bd1509fdb17f457a205f9e62caf85cebee830 Closes-Bug: #1257267
214 lines
8.4 KiB
Python
214 lines
8.4 KiB
Python
#Copyright 2013 Rackspace Development Company, L.P.
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#Licensed under the Apache License, Version 2.0 (the "License");
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#you may not use this file except in compliance with the License.
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#You may obtain a copy of the License at
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#
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#http://www.apache.org/licenses/LICENSE-2.0
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#
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#Unless required by applicable law or agreed to in writing, software
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#distributed under the License is distributed on an "AS IS" BASIS,
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#WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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#See the License for the specific language governing permissions and
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#limitations under the License.
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import testtools
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from mockito import when, unstub, mock, any
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from trove.common.context import TroveContext
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from trove.tests.fakes.swift import FakeSwiftConnection
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from trove.tests.fakes.swift import FakeSwiftConnectionWithRealEtag
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from trove.tests.unittests.backup.test_backupagent \
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import MockBackup as MockBackupRunner
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from trove.guestagent.strategies.storage.swift \
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import SwiftDownloadIntegrityError
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from trove.guestagent.strategies.storage import swift
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from trove.guestagent.strategies.storage.swift import SwiftStorage
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class MockProcess(object):
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"""Fake swift download process"""
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def __init__(self):
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self.pid = 1
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self.stdout = "Mock Process stdout."
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def terminate(self):
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pass
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class SwiftStorageSaveChecksumTests(testtools.TestCase):
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"""SwiftStorage.save is used to save a backup to Swift"""
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def setUp(self):
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super(SwiftStorageSaveChecksumTests, self).setUp()
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def tearDown(self):
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super(SwiftStorageSaveChecksumTests, self).tearDown()
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unstub()
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def test_swift_checksum_save(self):
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"""This tests that SwiftStorage.save returns the swift checksum"""
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context = TroveContext()
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backup_id = '123'
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user = 'user'
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password = 'password'
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backup_container = 'database_backups'
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swift_client = FakeSwiftConnectionWithRealEtag()
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when(swift).create_swift_client(context).thenReturn(swift_client)
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storage_strategy = SwiftStorage(context)
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with MockBackupRunner(filename=backup_id,
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user=user,
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password=password) as runner:
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(success,
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note,
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checksum,
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location) = storage_strategy.save(backup_container, runner)
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self.assertEqual(success, True,
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"The backup should have been successful.")
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self.assertIsNotNone(note, "A note should have been returned.")
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self.assertEqual(location, 'http://mockswift/v1/database_backups/123',
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"Incorrect swift location was returned.")
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def test_swift_segment_checksum_etag_mismatch(self):
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"""This tests that when etag doesn't match segment uploaded checksum
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False is returned and None for checksum and location"""
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context = TroveContext()
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# this backup_id will trigger fake swift client with calculate_etag
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# enabled to spit out a bad etag when a segment object is uploaded
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backup_id = 'bad_segment_etag_123'
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user = 'user'
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password = 'password'
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backup_container = 'database_backups'
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swift_client = FakeSwiftConnectionWithRealEtag()
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when(swift).create_swift_client(context).thenReturn(swift_client)
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storage_strategy = SwiftStorage(context)
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with MockBackupRunner(filename=backup_id,
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user=user,
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password=password) as runner:
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(success,
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note,
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checksum,
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location) = storage_strategy.save(backup_container, runner)
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self.assertEqual(success, False,
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"The backup should have failed!")
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self.assertTrue(note.startswith("Error saving data to Swift!"))
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self.assertIsNone(checksum,
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"Swift checksum should be None for failed backup.")
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self.assertIsNone(location,
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"Swift location should be None for failed backup.")
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def test_swift_checksum_etag_mismatch(self):
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"""This tests that when etag doesn't match swift checksum False is
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returned and None for checksum and location"""
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context = TroveContext()
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# this backup_id will trigger fake swift client with calculate_etag
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# enabled to spit out a bad etag when a segment object is uploaded
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backup_id = 'bad_manifest_etag_123'
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user = 'user'
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password = 'password'
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backup_container = 'database_backups'
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swift_client = FakeSwiftConnectionWithRealEtag()
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when(swift).create_swift_client(context).thenReturn(swift_client)
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storage_strategy = SwiftStorage(context)
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with MockBackupRunner(filename=backup_id,
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user=user,
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password=password) as runner:
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(success,
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note,
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checksum,
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location) = storage_strategy.save(backup_container, runner)
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self.assertEqual(success, False,
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"The backup should have failed!")
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self.assertTrue(note.startswith("Error saving data to Swift!"))
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self.assertIsNone(checksum,
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"Swift checksum should be None for failed backup.")
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self.assertIsNone(location,
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"Swift location should be None for failed backup.")
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class SwiftStorageLoad(testtools.TestCase):
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"""SwiftStorage.load is used to return SwiftDownloadStream which is used
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to download a backup object from Swift"""
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def setUp(self):
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super(SwiftStorageLoad, self).setUp()
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def tearDown(self):
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super(SwiftStorageLoad, self).tearDown()
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unstub()
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def test_run_verify_checksum(self):
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"""This tests that swift download cmd runs if original backup checksum
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matches swift object etag"""
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context = TroveContext()
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location = "/backup/location/123"
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is_zipped = False
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backup_checksum = "fake-md5-sum"
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swift_client = FakeSwiftConnection()
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when(swift).create_swift_client(context).thenReturn(swift_client)
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download_process = MockProcess()
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subprocess = mock(swift.subprocess)
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when(subprocess).Popen(any(), any(),
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any(), any()).thenReturn(download_process)
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when(swift.utils).raise_if_process_errored().thenReturn(None)
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storage_strategy = SwiftStorage(context)
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download_stream = storage_strategy.load(context,
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location,
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is_zipped,
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backup_checksum)
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self.assertEqual(download_stream.container, "location")
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self.assertEqual(download_stream.filename, "123")
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with download_stream as stream:
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print "Testing SwiftDownloadStream context manager: %s" % stream
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self.assertIsNotNone(download_stream.process,
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"SwiftDownloadStream process/cmd is supposed "
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"to run.")
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self.assertIsNotNone(download_stream.pid,
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"SwiftDownloadStream process/cmd is supposed "
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"to run.")
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def test_run_verify_checksum_mismatch(self):
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"""This tests that SwiftDownloadIntegrityError is raised and swift
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download cmd does not run when original backup checksum does not match
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swift object etag"""
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context = TroveContext()
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location = "/backup/location/123"
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is_zipped = False
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backup_checksum = "checksum_different_then_fake_swift_etag"
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swift_client = FakeSwiftConnection()
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when(swift).create_swift_client(context).thenReturn(swift_client)
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storage_strategy = SwiftStorage(context)
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download_stream = storage_strategy.load(context,
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location,
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is_zipped,
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backup_checksum)
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self.assertEqual(download_stream.container, "location")
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self.assertEqual(download_stream.filename, "123")
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self.assertRaises(SwiftDownloadIntegrityError,
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download_stream.__enter__)
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self.assertEqual(download_stream.process, None,
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"SwiftDownloadStream process/cmd was not supposed"
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"to run.")
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