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# -*- coding: utf-8 -*-
# Copyright (C) 2015 Yahoo! Inc. 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.
import asyncore
import errno
import socket
import threading
from taskflow.engines.action_engine import process_executor as pu
from taskflow import task
from taskflow import test
from taskflow.test import mock
from taskflow.tests import utils as test_utils
class ProcessExecutorHelpersTest(test.TestCase):
def test_reader(self):
capture_buf = []
def do_capture(identity, message_capture_func):
capture_buf.append(message_capture_func())
r = pu.Reader(b"secret", do_capture)
for data in pu._encode_message(b"secret", ['hi'], b'me'):
self.assertEqual(len(data), r.bytes_needed)
r.feed(data)
self.assertEqual(1, len(capture_buf))
self.assertEqual(['hi'], capture_buf[0])
def test_bad_hmac_reader(self):
r = pu.Reader(b"secret-2", lambda ident, capture_func: capture_func())
in_data = b"".join(pu._encode_message(b"secret", ['hi'], b'me'))
self.assertRaises(pu.BadHmacValueError, r.feed, in_data)
@mock.patch("socket.socket")
def test_no_connect_channel(self, mock_socket_factory):
mock_sock = mock.MagicMock()
mock_socket_factory.return_value = mock_sock
mock_sock.connect.side_effect = socket.error(errno.ECONNREFUSED,
'broken')
c = pu.Channel(2222, b"me", b"secret")
self.assertRaises(socket.error, c.send, "hi")
self.assertTrue(c.dead)
self.assertTrue(mock_sock.close.called)
def test_send_and_dispatch(self):
details_capture = []
t = test_utils.DummyTask("rcver")
t.notifier.register(
task.EVENT_UPDATE_PROGRESS,
lambda _event_type, details: details_capture.append(details))
d = pu.Dispatcher({}, b'secret', b'server-josh')
d.setup()
d.targets[b'child-josh'] = t
s = threading.Thread(target=asyncore.loop, kwargs={'map': d.map})
s.start()
self.addCleanup(s.join)
c = pu.Channel(d.port, b'child-josh', b'secret')
self.addCleanup(c.close)
send_what = [
{'progress': 0.1},
{'progress': 0.2},
{'progress': 0.3},
{'progress': 0.4},
{'progress': 0.5},
{'progress': 0.6},
{'progress': 0.7},
{'progress': 0.8},
{'progress': 0.9},
]
e_s = pu.EventSender(c)
for details in send_what:
e_s(task.EVENT_UPDATE_PROGRESS, details)
# This forces the thread to shutdown (since the asyncore loop
# will exit when no more sockets exist to process...)
d.close()
self.assertEqual(len(send_what), len(details_capture))
self.assertEqual(send_what, details_capture)
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