storlets/tests/unit/sbus/test_datagram.py

333 lines
13 KiB
Python

# Copyright (c) 2015-2016 OpenStack Foundation
#
# 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 json
import unittest
import storlets.sbus.file_description as sbus_fd
from storlets.sbus.datagram import SBusFileDescriptor, SBusDatagram, \
SBusServiceDatagram, SBusExecuteDatagram, build_datagram, \
build_datagram_from_raw_message
from storlets.sbus.command import SBUS_CMD_PING, SBUS_CMD_EXECUTE
ALL_FDTYPES = [
sbus_fd.SBUS_FD_INPUT_OBJECT, sbus_fd.SBUS_FD_OUTPUT_OBJECT,
sbus_fd.SBUS_FD_OUTPUT_OBJECT_METADATA,
sbus_fd.SBUS_FD_OUTPUT_OBJECT_AND_METADATA,
sbus_fd.SBUS_FD_LOGGER, sbus_fd.SBUS_FD_OUTPUT_CONTAINER,
sbus_fd.SBUS_FD_SERVICE_OUT,
]
class TestSBusFileDescriptor(unittest.TestCase):
def test_metadata(self):
fd = SBusFileDescriptor(
'MYTYPE', 1, {'storlets_key': 'storlets_value'},
{'storage_key': 'storage_value'})
self.assertEqual(
{'storlets': {'type': 'MYTYPE', 'storlets_key': 'storlets_value'},
'storage': {'storage_key': 'storage_value'}},
fd.metadata)
def test_from_fileno_and_metadata_dict(self):
fd = SBusFileDescriptor.from_fileno_and_metadata_dict(
1,
{'storlets': {'type': 'MYTYPE', 'storlets_key': 'storlets_value'},
'storage': {'storage_key': 'storage_value'}})
self.assertEqual(1, fd.fileno)
self.assertEqual('MYTYPE', fd.fdtype)
self.assertEqual({'storlets_key': 'storlets_value'},
fd.storlets_metadata)
self.assertEqual({'storage_key': 'storage_value'},
fd.storage_metadata)
class TestSBusDatagram(unittest.TestCase):
def test_check_required_fdtypes_not_implemented(self):
# SBusDatagram designed not to be called independently
with self.assertRaises(NotImplementedError) as err:
SBusDatagram('', [], [])
self.assertEqual(
'SBusDatagram class should not be initialized as bare',
err.exception.args[0])
def test_invalid_child_class_definition(self):
# no definition for _required_fdtypes
class InvalidSBusDatagram(SBusDatagram):
pass
with self.assertRaises(NotImplementedError) as err:
InvalidSBusDatagram('', [], [])
self.assertEqual(
'SBusDatagram class should define _required_fdtypes',
err.exception.args[0])
class SBusDatagramTestMixin(object):
def setUp(self):
self.params = {'param1': 'paramvalue1'}
self.task_id = 'id'
self.dtg = self._test_class(self.command, self.sfds,
self.params, self.task_id)
def test_init(self):
self.assertEqual(self.command, self.dtg.command)
self.assertEqual(self.sfds, self.dtg.sfds)
self.assertEqual(self.params, self.dtg.params)
self.assertEqual(self.task_id, self.dtg.task_id)
def test_num_fds(self):
self.assertEqual(len(self.fdtypes), self.dtg.num_fds)
def test_cmd_params(self):
self.assertEqual({'command': self.command,
'params': self.params,
'task_id': self.task_id},
self.dtg.cmd_params)
def test_serialized_cmd_params(self):
res = {'command': self.command,
'params': self.params,
'task_id': self.task_id}
self.assertEqual(res, json.loads(self.dtg.serialized_cmd_params))
def test_check_required_fdtypes_mismatch(self):
invalid_fdtypes_list = (
[], # empty list
['Invalid'] + self.fdtypes, # invalid type inserted at the first
# TODO(kota_): we may want *strict* check (not only checking first
# N items.
)
for invalid_fdtypes in invalid_fdtypes_list:
with self.assertRaises(ValueError) as cm:
self.dtg._check_required_fdtypes(invalid_fdtypes)
self.assertTrue(cm.exception.args[0].startswith(
'Fd type mismatch given_fdtypes'))
def test_find_fds(self):
# prepare all fd types and then pop out in the loop below
not_in_fdtypes = ALL_FDTYPES[:]
# N.B. fd should start from 1 (not 0), really?
for index, fdtype in enumerate(self.fdtypes, 1):
found_fds = self.dtg._find_fds(fdtype)
# at least 1 fd should be found
self.assertTrue(found_fds)
# and the index is in the types
self.assertIn(index, found_fds)
if fdtype in not_in_fdtypes:
# N.B. ALL_FDTYPES should be unique list
not_in_fdtypes.remove(fdtype)
# sanity, not a fd type results in []
self.assertEqual([], self.dtg._find_fds('DUMMY_TYPE'))
# sanity, no other types are found
for fdtype in not_in_fdtypes:
self.assertEqual([], self.dtg._find_fds(fdtype))
def test_find_fd(self):
# prepare all fd types and then pop out in the loop below
not_in_fdtypes = ALL_FDTYPES[:]
# N.B. fd should start from 1 (not 0), really?
for index, fdtype in enumerate(self.fdtypes, 1):
found_fd = self.dtg._find_fd(fdtype)
# at least 1 fd should be found
self.assertEqual(index, found_fd)
if fdtype in not_in_fdtypes:
# N.B. ALL_FDTYPES should be unique list
not_in_fdtypes.remove(fdtype)
# sanity, not a fd type results in None
self.assertIsNone(self.dtg._find_fd('DUMMY_TYPE'))
# sanity, no other types are found
for fdtype in not_in_fdtypes:
self.assertIsNone(self.dtg._find_fd(fdtype))
class TestSBusServiceDatagram(SBusDatagramTestMixin, unittest.TestCase):
_test_class = SBusServiceDatagram
def setUp(self):
self.command = 'SBUS_CMD_TEST'
self.fdtypes = [sbus_fd.SBUS_FD_SERVICE_OUT]
self.sfds = [SBusFileDescriptor(sbus_fd.SBUS_FD_SERVICE_OUT, 1)]
super(TestSBusServiceDatagram, self).setUp()
def test_service_out_fd(self):
self.assertEqual(1, self.dtg.service_out_fd)
class TestSBusExecuteDatagram(SBusDatagramTestMixin, unittest.TestCase):
_test_class = SBusExecuteDatagram
def setUp(self):
self.command = SBUS_CMD_EXECUTE
self.fdtypes = [sbus_fd.SBUS_FD_SERVICE_OUT,
sbus_fd.SBUS_FD_INPUT_OBJECT,
sbus_fd.SBUS_FD_OUTPUT_OBJECT,
sbus_fd.SBUS_FD_OUTPUT_OBJECT_METADATA,
sbus_fd.SBUS_FD_LOGGER]
self.sfds = [SBusFileDescriptor(
fdtype, i + 1,
{'key%d' % i: 'value%d' % i},
{'skey%d' % i: 'svalue%d' % i})
for i, fdtype in enumerate(self.fdtypes)]
super(TestSBusExecuteDatagram, self).setUp()
def test_init_extra_sources(self):
fdtypes = [sbus_fd.SBUS_FD_SERVICE_OUT,
sbus_fd.SBUS_FD_INPUT_OBJECT,
sbus_fd.SBUS_FD_OUTPUT_OBJECT,
sbus_fd.SBUS_FD_OUTPUT_OBJECT_METADATA,
sbus_fd.SBUS_FD_LOGGER,
sbus_fd.SBUS_FD_INPUT_OBJECT,
sbus_fd.SBUS_FD_INPUT_OBJECT,
sbus_fd.SBUS_FD_INPUT_OBJECT]
fds = [SBusFileDescriptor(fdtype, i + 1,
{'key%d' % i: 'value%d' % i},
{'skey%d' % i: 'svalue%d' % i})
for i, fdtype in enumerate(fdtypes)]
dtg = self._test_class(
self.command, fds, self.params, self.task_id)
self.assertEqual(fdtypes, [sfd.fdtype for sfd in dtg.sfds])
self.assertEqual(self.params, dtg.params)
self.assertEqual(self.task_id, dtg.task_id)
def test_service_out_fd(self):
self.assertEqual(1, self.dtg.service_out_fd)
def test_invocation_fds(self):
self.assertEqual([2, 3, 4, 5], self.dtg.invocation_fds)
def test_object_out_fds(self):
self.assertEqual([3], self.dtg.object_out_fds)
def test_object_metadata_out_fds(self):
self.assertEqual([4], self.dtg.object_metadata_out_fds)
def test_logger_out_fd(self):
self.assertEqual(5, self.dtg.logger_out_fd)
def test_object_in_fds(self):
self.assertEqual([2], self.dtg.object_in_fds)
def test_check_required_fdtypes_reverse_order_failed(self):
fdtypes = self.fdtypes[:]
fdtypes.reverse() # reverse order
with self.assertRaises(ValueError) as cm:
self.dtg._check_required_fdtypes(fdtypes)
self.assertTrue(
cm.exception.args[0].startswith('Fd type mismatch given_fdtypes'))
class TestBuildDatagram(unittest.TestCase):
def test_build_datagram(self):
# SBusServiceDatagram scenario
command = SBUS_CMD_PING
fdtypes = [sbus_fd.SBUS_FD_SERVICE_OUT]
fds = [SBusFileDescriptor(sbus_fd.SBUS_FD_SERVICE_OUT, 1)]
params = {'param1': 'paramvalue1'}
task_id = 'id'
dtg = build_datagram(command, fds, params, task_id)
self.assertIsInstance(dtg, SBusServiceDatagram)
self.assertEqual(command, dtg.command)
self.assertEqual(fdtypes, [sfd.fdtype for sfd in dtg.sfds])
self.assertEqual(params, dtg.params)
self.assertEqual(task_id, dtg.task_id)
# SBusExecuteDatagram scenario
command = SBUS_CMD_EXECUTE
fdtypes = [sbus_fd.SBUS_FD_SERVICE_OUT,
sbus_fd.SBUS_FD_INPUT_OBJECT,
sbus_fd.SBUS_FD_OUTPUT_OBJECT,
sbus_fd.SBUS_FD_OUTPUT_OBJECT_METADATA,
sbus_fd.SBUS_FD_LOGGER,
sbus_fd.SBUS_FD_INPUT_OBJECT,
sbus_fd.SBUS_FD_INPUT_OBJECT,
sbus_fd.SBUS_FD_INPUT_OBJECT]
fds = [SBusFileDescriptor(fdtype, i + 1,
{'key%d' % i: 'value%d' % i},
{'skey%d' % i: 'svalue%d' % i})
for i, fdtype in enumerate(fdtypes)]
params = {'param1': 'paramvalue1'}
task_id = 'id'
dtg = build_datagram(command, fds, params, task_id)
self.assertIsInstance(dtg, SBusExecuteDatagram)
self.assertEqual(command, dtg.command)
self.assertEqual(fdtypes, [sfd.fdtype for sfd in dtg.sfds])
self.assertEqual(params, dtg.params)
self.assertEqual(task_id, dtg.task_id)
def test_build_datagram_from_raw_message(self):
# SBusServiceDatagram scenario
command = SBUS_CMD_PING
fdtypes = [sbus_fd.SBUS_FD_SERVICE_OUT]
fds = [SBusFileDescriptor(sbus_fd.SBUS_FD_SERVICE_OUT, 1)]
params = {'param1': 'paramvalue1'}
task_id = 'id'
cmd_params = {'command': command, 'params': params, 'task_id': task_id}
str_metadata = json.dumps([fd.metadata for fd in fds])
str_cmd_params = json.dumps(cmd_params)
dtg = build_datagram_from_raw_message(fds, str_metadata,
str_cmd_params)
self.assertIsInstance(dtg, SBusServiceDatagram)
self.assertEqual(command, dtg.command)
self.assertEqual(fdtypes, [sfd.fdtype for sfd in dtg.sfds])
self.assertEqual(params, dtg.params)
self.assertEqual(task_id, dtg.task_id)
# SBusExecuteDatagram scenario
command = SBUS_CMD_EXECUTE
fdtypes = [sbus_fd.SBUS_FD_SERVICE_OUT,
sbus_fd.SBUS_FD_INPUT_OBJECT,
sbus_fd.SBUS_FD_OUTPUT_OBJECT,
sbus_fd.SBUS_FD_OUTPUT_OBJECT_METADATA,
sbus_fd.SBUS_FD_LOGGER,
sbus_fd.SBUS_FD_INPUT_OBJECT,
sbus_fd.SBUS_FD_INPUT_OBJECT,
sbus_fd.SBUS_FD_INPUT_OBJECT]
fds = [SBusFileDescriptor(fdtype, i + 1,
{'key%d' % i: 'value%d' % i},
{'skey%d' % i: 'svalue%d' % i})
for i, fdtype in enumerate(fdtypes)]
params = {'param1': 'paramvalue1'}
task_id = 'id'
cmd_params = {'command': command, 'params': params, 'task_id': task_id}
str_metadata = json.dumps([fd.metadata for fd in fds])
str_cmd_params = json.dumps(cmd_params)
dtg = build_datagram_from_raw_message(fds, str_metadata,
str_cmd_params)
self.assertIsInstance(dtg, SBusExecuteDatagram)
self.assertEqual(command, dtg.command)
self.assertEqual(fdtypes, [sfd.fdtype for sfd in dtg.sfds])
self.assertEqual(params, dtg.params)
self.assertEqual(task_id, dtg.task_id)
if __name__ == '__main__':
unittest.main()