def test_DB_PREALLOCATION_setting(self): u = uuid4().hex b = DatabaseBroker(u) swift.common.db.DB_PREALLOCATION = False b._preallocate() swift.common.db.DB_PREALLOCATION = True self.assertRaises(OSError, b._preallocate)
def test_disk_preallocate(self): test_size = [-1] def fallocate_stub(fd, size): test_size[0] = size with patch('swift.common.db.fallocate', fallocate_stub): db_file = os.path.join(self.testdir, 'pre.db') # Write 1 byte and hope that the fs will allocate less than 1 MB. f = open(db_file, "w") f.write('@') f.close() b = DatabaseBroker(db_file) b._preallocate() # We only wrote 1 byte, so we should end with the 1st step or 1 MB. self.assertEquals(test_size[0], 1024 * 1024)
def test_initialize(self): self.assertRaises(AttributeError, DatabaseBroker(':memory:').initialize, normalize_timestamp('1')) stub_dict = {} def stub(*args, **kwargs): for key in stub_dict.keys(): del stub_dict[key] stub_dict['args'] = args for key, value in kwargs.items(): stub_dict[key] = value broker = DatabaseBroker(':memory:') broker._initialize = stub broker.initialize(normalize_timestamp('1')) self.assert_(hasattr(stub_dict['args'][0], 'execute')) self.assertEquals(stub_dict['args'][1], '0000000001.00000') with broker.get() as conn: conn.execute('SELECT * FROM outgoing_sync') conn.execute('SELECT * FROM incoming_sync') broker = DatabaseBroker(os.path.join(self.testdir, '1.db')) broker._initialize = stub broker.initialize(normalize_timestamp('1')) self.assert_(hasattr(stub_dict['args'][0], 'execute')) self.assertEquals(stub_dict['args'][1], '0000000001.00000') with broker.get() as conn: conn.execute('SELECT * FROM outgoing_sync') conn.execute('SELECT * FROM incoming_sync') def my_ismount(*a, **kw): return True with patch('os.path.ismount', my_ismount): broker = DatabaseBroker(os.path.join(self.testdir, '1.db')) broker._initialize = stub self.assertRaises(DatabaseAlreadyExists, broker.initialize, normalize_timestamp('1'))
def test_memory_db_init(self): broker = DatabaseBroker(':memory:') self.assertEqual(broker.db_file, ':memory:') self.assertRaises(AttributeError, broker.initialize, normalize_timestamp('0'))
def test_merge_syncs(self): broker = DatabaseBroker(':memory:') def stub(*args, **kwargs): pass broker._initialize = stub broker.initialize(normalize_timestamp('1')) uuid2 = str(uuid4()) broker.merge_syncs([{'sync_point': 1, 'remote_id': uuid2}]) self.assertEquals(broker.get_sync(uuid2), 1) uuid3 = str(uuid4()) broker.merge_syncs([{'sync_point': 2, 'remote_id': uuid3}]) self.assertEquals(broker.get_sync(uuid2), 1) self.assertEquals(broker.get_sync(uuid3), 2) self.assertEquals(broker.get_sync(uuid2, incoming=False), -1) self.assertEquals(broker.get_sync(uuid3, incoming=False), -1) broker.merge_syncs([{'sync_point': 3, 'remote_id': uuid2}, {'sync_point': 4, 'remote_id': uuid3}], incoming=False) self.assertEquals(broker.get_sync(uuid2, incoming=False), 3) self.assertEquals(broker.get_sync(uuid3, incoming=False), 4) self.assertEquals(broker.get_sync(uuid2), 1) self.assertEquals(broker.get_sync(uuid3), 2) broker.merge_syncs([{'sync_point': 5, 'remote_id': uuid2}]) self.assertEquals(broker.get_sync(uuid2), 5)
def test_get_items_since(self): broker = DatabaseBroker(':memory:') broker.db_type = 'test' broker.db_contains_type = 'test' def _initialize(conn, timestamp): conn.execute('CREATE TABLE test (one TEXT)') conn.execute('INSERT INTO test (one) VALUES ("1")') conn.execute('INSERT INTO test (one) VALUES ("2")') conn.execute('INSERT INTO test (one) VALUES ("3")') conn.commit() broker._initialize = _initialize broker.initialize(normalize_timestamp('1')) self.assertEquals(broker.get_items_since(-1, 10), [{'one': '1'}, {'one': '2'}, {'one': '3'}]) self.assertEquals(broker.get_items_since(-1, 2), [{'one': '1'}, {'one': '2'}]) self.assertEquals(broker.get_items_since(1, 2), [{'one': '2'}, {'one': '3'}]) self.assertEquals(broker.get_items_since(3, 2), []) self.assertEquals(broker.get_items_since(999, 2), [])
def test_lock(self): broker = DatabaseBroker(os.path.join(self.testdir, '1.db'), timeout=.1) got_exc = False try: with broker.lock(): pass except Exception: got_exc = True self.assert_(got_exc) def stub(*args, **kwargs): pass broker._initialize = stub broker.initialize(normalize_timestamp('1')) with broker.lock(): pass with broker.lock(): pass broker2 = DatabaseBroker(os.path.join(self.testdir, '1.db'), timeout=.1) broker2._initialize = stub with broker.lock(): got_exc = False try: with broker2.lock(): pass except LockTimeout: got_exc = True self.assert_(got_exc) try: with broker.lock(): raise Exception('test') except Exception: pass with broker.lock(): pass
def test_newid(self): broker = DatabaseBroker(':memory:') broker.db_type = 'test' broker.db_contains_type = 'test' uuid1 = str(uuid4()) def _initialize(conn, timestamp): conn.execute('CREATE TABLE test (one TEXT)') conn.execute('CREATE TABLE test_stat (id TEXT)') conn.execute('INSERT INTO test_stat (id) VALUES (?)', (uuid1,)) conn.commit() broker._initialize = _initialize broker.initialize(normalize_timestamp('1')) uuid2 = str(uuid4()) broker.newid(uuid2) with broker.get() as conn: uuids = [r[0] for r in conn.execute('SELECT * FROM test_stat')] self.assertEquals(len(uuids), 1) self.assertNotEquals(uuids[0], uuid1) uuid1 = uuids[0] points = [(r[0], r[1]) for r in conn.execute( 'SELECT sync_point, ' 'remote_id FROM incoming_sync WHERE remote_id = ?', (uuid2,))] self.assertEquals(len(points), 1) self.assertEquals(points[0][0], -1) self.assertEquals(points[0][1], uuid2) conn.execute('INSERT INTO test (one) VALUES ("1")') conn.commit() uuid3 = str(uuid4()) broker.newid(uuid3) with broker.get() as conn: uuids = [r[0] for r in conn.execute('SELECT * FROM test_stat')] self.assertEquals(len(uuids), 1) self.assertNotEquals(uuids[0], uuid1) uuid1 = uuids[0] points = [(r[0], r[1]) for r in conn.execute( 'SELECT sync_point, ' 'remote_id FROM incoming_sync WHERE remote_id = ?', (uuid3,))] self.assertEquals(len(points), 1) self.assertEquals(points[0][1], uuid3) broker.newid(uuid2) with broker.get() as conn: uuids = [r[0] for r in conn.execute('SELECT * FROM test_stat')] self.assertEquals(len(uuids), 1) self.assertNotEquals(uuids[0], uuid1) points = [(r[0], r[1]) for r in conn.execute( 'SELECT sync_point, ' 'remote_id FROM incoming_sync WHERE remote_id = ?', (uuid2,))] self.assertEquals(len(points), 1) self.assertEquals(points[0][1], uuid2)
def test_get(self): broker = DatabaseBroker(':memory:') got_exc = False try: with broker.get() as conn: conn.execute('SELECT 1') except Exception: got_exc = True broker = DatabaseBroker(os.path.join(self.testdir, '1.db')) got_exc = False try: with broker.get() as conn: conn.execute('SELECT 1') except Exception: got_exc = True self.assert_(got_exc) def stub(*args, **kwargs): pass broker._initialize = stub broker.initialize(normalize_timestamp('1')) with broker.get() as conn: conn.execute('CREATE TABLE test (one TEXT)') try: with broker.get() as conn: conn.execute('INSERT INTO test (one) VALUES ("1")') raise Exception('test') conn.commit() except Exception: pass broker = DatabaseBroker(os.path.join(self.testdir, '1.db')) with broker.get() as conn: self.assertEquals( [r[0] for r in conn.execute('SELECT * FROM test')], []) with broker.get() as conn: conn.execute('INSERT INTO test (one) VALUES ("1")') conn.commit() broker = DatabaseBroker(os.path.join(self.testdir, '1.db')) with broker.get() as conn: self.assertEquals( [r[0] for r in conn.execute('SELECT * FROM test')], ['1']) with patch('swift.common.db.renamer', lambda a, b: b): qpath = os.path.dirname(os.path.dirname(os.path.dirname( os.path.dirname(self.testdir)))) if qpath: qpath += '/quarantined/tests/db' else: qpath = 'quarantined/tests/db' # Test malformed database copy(os.path.join(os.path.dirname(__file__), 'malformed_example.db'), os.path.join(self.testdir, '1.db')) broker = DatabaseBroker(os.path.join(self.testdir, '1.db')) broker.db_type = 'test' exc = None try: with broker.get() as conn: conn.execute('SELECT * FROM test') except Exception as err: exc = err self.assertEquals( str(exc), 'Quarantined %s to %s due to malformed database' % (self.testdir, qpath)) # Test corrupted database copy(os.path.join(os.path.dirname(__file__), 'corrupted_example.db'), os.path.join(self.testdir, '1.db')) broker = DatabaseBroker(os.path.join(self.testdir, '1.db')) broker.db_type = 'test' exc = None try: with broker.get() as conn: conn.execute('SELECT * FROM test') except Exception as err: exc = err self.assertEquals( str(exc), 'Quarantined %s to %s due to corrupted database' % (self.testdir, qpath))
def test_delete_db(self): def init_stub(conn, put_timestamp): conn.execute('CREATE TABLE test (one TEXT)') conn.execute('CREATE TABLE test_stat (id TEXT)') conn.execute('INSERT INTO test_stat (id) VALUES (?)', (str(uuid4),)) conn.execute('INSERT INTO test (one) VALUES ("1")') conn.commit() stub_called = [False] def delete_stub(*a, **kw): stub_called[0] = True broker = DatabaseBroker(':memory:') broker.db_type = 'test' broker._initialize = init_stub # Initializes a good broker for us broker.initialize(normalize_timestamp('1')) self.assert_(broker.conn is not None) broker._delete_db = delete_stub stub_called[0] = False broker.delete_db('2') self.assert_(stub_called[0]) broker = DatabaseBroker(os.path.join(self.testdir, '1.db')) broker.db_type = 'test' broker._initialize = init_stub broker.initialize(normalize_timestamp('1')) broker._delete_db = delete_stub stub_called[0] = False broker.delete_db('2') self.assert_(stub_called[0]) # ensure that metadata was cleared m2 = broker.metadata self.assert_(not any(v[0] for v in m2.itervalues())) self.assert_(all(v[1] == normalize_timestamp('2') for v in m2.itervalues()))
def test_initialize(self): self.assertRaises(AttributeError, DatabaseBroker(':memory:').initialize, normalize_timestamp('1')) stub_dict = {} def stub(*args, **kwargs): for key in stub_dict.keys(): del stub_dict[key] stub_dict['args'] = args for key, value in kwargs.items(): stub_dict[key] = value broker = DatabaseBroker(':memory:') broker._initialize = stub broker.initialize(normalize_timestamp('1')) self.assert_(hasattr(stub_dict['args'][0], 'execute')) self.assertEquals(stub_dict['args'][1], '0000000001.00000') with broker.get() as conn: conn.execute('SELECT * FROM outgoing_sync') conn.execute('SELECT * FROM incoming_sync') broker = DatabaseBroker(os.path.join(self.testdir, '1.db')) broker._initialize = stub broker.initialize(normalize_timestamp('1')) self.assert_(hasattr(stub_dict['args'][0], 'execute')) self.assertEquals(stub_dict['args'][1], '0000000001.00000') with broker.get() as conn: conn.execute('SELECT * FROM outgoing_sync') conn.execute('SELECT * FROM incoming_sync') broker = DatabaseBroker(os.path.join(self.testdir, '1.db')) broker._initialize = stub self.assertRaises(DatabaseAlreadyExists, broker.initialize, normalize_timestamp('1'))
def test_disk_db_init(self): db_file = os.path.join(self.testdir, '1.db') broker = DatabaseBroker(db_file) self.assertEqual(broker.db_file, db_file) self.assert_(broker.conn is None)
def test_get_sync(self): broker = DatabaseBroker(':memory:') broker.db_type = 'test' broker.db_contains_type = 'test' uuid1 = str(uuid4()) def _initialize(conn, timestamp): conn.execute('CREATE TABLE test (one TEXT)') conn.execute('CREATE TABLE test_stat (id TEXT)') conn.execute('INSERT INTO test_stat (id) VALUES (?)', (uuid1,)) conn.execute('INSERT INTO test (one) VALUES ("1")') conn.commit() pass broker._initialize = _initialize broker.initialize(normalize_timestamp('1')) uuid2 = str(uuid4()) self.assertEquals(broker.get_sync(uuid2), -1) broker.newid(uuid2) self.assertEquals(broker.get_sync(uuid2), 1) uuid3 = str(uuid4()) self.assertEquals(broker.get_sync(uuid3), -1) with broker.get() as conn: conn.execute('INSERT INTO test (one) VALUES ("2")') conn.commit() broker.newid(uuid3) self.assertEquals(broker.get_sync(uuid2), 1) self.assertEquals(broker.get_sync(uuid3), 2) self.assertEquals(broker.get_sync(uuid2, incoming=False), -1) self.assertEquals(broker.get_sync(uuid3, incoming=False), -1) broker.merge_syncs([{'sync_point': 1, 'remote_id': uuid2}], incoming=False) self.assertEquals(broker.get_sync(uuid2), 1) self.assertEquals(broker.get_sync(uuid3), 2) self.assertEquals(broker.get_sync(uuid2, incoming=False), 1) self.assertEquals(broker.get_sync(uuid3, incoming=False), -1) broker.merge_syncs([{'sync_point': 2, 'remote_id': uuid3}], incoming=False) self.assertEquals(broker.get_sync(uuid2, incoming=False), 1) self.assertEquals(broker.get_sync(uuid3, incoming=False), 2)
def get_replication_info_tester(self, metadata=False): broker = DatabaseBroker(':memory:', account='a') broker.db_type = 'test' broker.db_contains_type = 'test' broker_creation = normalize_timestamp(1) broker_uuid = str(uuid4()) broker_metadata = metadata and simplejson.dumps( {'Test': ('Value', normalize_timestamp(1))}) or '' def _initialize(conn, put_timestamp): if put_timestamp is None: put_timestamp = normalize_timestamp(0) conn.executescript(''' CREATE TABLE test ( ROWID INTEGER PRIMARY KEY AUTOINCREMENT, name TEXT UNIQUE, created_at TEXT ); CREATE TRIGGER test_insert AFTER INSERT ON test BEGIN UPDATE test_stat SET test_count = test_count + 1, hash = chexor(hash, new.name, new.created_at); END; CREATE TRIGGER test_update BEFORE UPDATE ON test BEGIN SELECT RAISE(FAIL, 'UPDATE not allowed; DELETE and INSERT'); END; CREATE TRIGGER test_delete AFTER DELETE ON test BEGIN UPDATE test_stat SET test_count = test_count - 1, hash = chexor(hash, old.name, old.created_at); END; CREATE TABLE test_stat ( account TEXT, created_at TEXT, put_timestamp TEXT DEFAULT '0', delete_timestamp TEXT DEFAULT '0', test_count INTEGER, hash TEXT default '00000000000000000000000000000000', id TEXT %s ); INSERT INTO test_stat (test_count) VALUES (0); ''' % (metadata and ", metadata TEXT DEFAULT ''" or "")) conn.execute(''' UPDATE test_stat SET account = ?, created_at = ?, id = ?, put_timestamp = ? ''', (broker.account, broker_creation, broker_uuid, put_timestamp)) if metadata: conn.execute('UPDATE test_stat SET metadata = ?', (broker_metadata,)) conn.commit() broker._initialize = _initialize put_timestamp = normalize_timestamp(2) broker.initialize(put_timestamp) info = broker.get_replication_info() self.assertEquals(info, { 'count': 0, 'hash': '00000000000000000000000000000000', 'created_at': broker_creation, 'put_timestamp': put_timestamp, 'delete_timestamp': '0', 'max_row': -1, 'id': broker_uuid, 'metadata': broker_metadata}) insert_timestamp = normalize_timestamp(3) with broker.get() as conn: conn.execute(''' INSERT INTO test (name, created_at) VALUES ('test', ?) ''', (insert_timestamp,)) conn.commit() info = broker.get_replication_info() self.assertEquals(info, { 'count': 1, 'hash': 'bdc4c93f574b0d8c2911a27ce9dd38ba', 'created_at': broker_creation, 'put_timestamp': put_timestamp, 'delete_timestamp': '0', 'max_row': 1, 'id': broker_uuid, 'metadata': broker_metadata}) with broker.get() as conn: conn.execute('DELETE FROM test') conn.commit() info = broker.get_replication_info() self.assertEquals(info, { 'count': 0, 'hash': '00000000000000000000000000000000', 'created_at': broker_creation, 'put_timestamp': put_timestamp, 'delete_timestamp': '0', 'max_row': 1, 'id': broker_uuid, 'metadata': broker_metadata}) return broker