How to use rendezvous method in autotest

Best Python code snippet using autotest_python

_service.py

Source:_service.py

1# Copyright 2015, Google Inc.2# All rights reserved.3#4# Redistribution and use in source and binary forms, with or without5# modification, are permitted provided that the following conditions are6# met:7#8#     * Redistributions of source code must retain the above copyright9# notice, this list of conditions and the following disclaimer.10#     * Redistributions in binary form must reproduce the above11# copyright notice, this list of conditions and the following disclaimer12# in the documentation and/or other materials provided with the13# distribution.14#     * Neither the name of Google Inc. nor the names of its15# contributors may be used to endorse or promote products derived from16# this software without specific prior written permission.17#18# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS19# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT20# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR21# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT22# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,23# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT24# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,25# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY26# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT27# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE28# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.29"""Behaviors for servicing RPCs."""30from grpc.framework.crust import _control31from grpc.framework.foundation import abandonment32from grpc.framework.interfaces.base import utilities33from grpc.framework.interfaces.face import face34class _ServicerContext(face.ServicerContext):35  def __init__(self, rendezvous):36    self._rendezvous = rendezvous37  def is_active(self):38    return self._rendezvous.is_active()39  def time_remaining(self):40    return self._rendezvous.time_remaining()41  def add_abortion_callback(self, abortion_callback):42    return self._rendezvous.add_abortion_callback(abortion_callback)43  def cancel(self):44    self._rendezvous.cancel()45  def protocol_context(self):46    return self._rendezvous.protocol_context()47  def invocation_metadata(self):48    return self._rendezvous.initial_metadata()49  def initial_metadata(self, initial_metadata):50    self._rendezvous.set_initial_metadata(initial_metadata)51  def terminal_metadata(self, terminal_metadata):52    self._rendezvous.set_terminal_metadata(terminal_metadata)53  def code(self, code):54    self._rendezvous.set_code(code)55  def details(self, details):56    self._rendezvous.set_details(details)57def _adaptation(pool, in_pool):58  def adaptation(operator, operation_context):59    rendezvous = _control.Rendezvous(operator, operation_context)60    subscription = utilities.full_subscription(61        rendezvous, _control.protocol_receiver(rendezvous))62    outcome = operation_context.add_termination_callback(rendezvous.set_outcome)63    if outcome is None:64      pool.submit(_control.pool_wrap(in_pool, operation_context), rendezvous)65      return subscription66    else:67      raise abandonment.Abandoned()68  return adaptation69def adapt_inline_unary_unary(method, pool):70  def in_pool(rendezvous):71    request = next(rendezvous)72    response = method(request, _ServicerContext(rendezvous))73    rendezvous.consume_and_terminate(response)74  return _adaptation(pool, in_pool)75def adapt_inline_unary_stream(method, pool):76  def in_pool(rendezvous):77    request = next(rendezvous)78    response_iterator = method(request, _ServicerContext(rendezvous))79    for response in response_iterator:80      rendezvous.consume(response)81    rendezvous.terminate()82  return _adaptation(pool, in_pool)83def adapt_inline_stream_unary(method, pool):84  def in_pool(rendezvous):85    response = method(rendezvous, _ServicerContext(rendezvous))86    rendezvous.consume_and_terminate(response)87  return _adaptation(pool, in_pool)88def adapt_inline_stream_stream(method, pool):89  def in_pool(rendezvous):90    response_iterator = method(rendezvous, _ServicerContext(rendezvous))91    for response in response_iterator:92      rendezvous.consume(response)93    rendezvous.terminate()94  return _adaptation(pool, in_pool)95def adapt_event_unary_unary(method, pool):96  def in_pool(rendezvous):97    request = next(rendezvous)98    method(99        request, rendezvous.consume_and_terminate, _ServicerContext(rendezvous))100  return _adaptation(pool, in_pool)101def adapt_event_unary_stream(method, pool):102  def in_pool(rendezvous):103    request = next(rendezvous)104    method(request, rendezvous, _ServicerContext(rendezvous))105  return _adaptation(pool, in_pool)106def adapt_event_stream_unary(method, pool):107  def in_pool(rendezvous):108    request_consumer = method(109        rendezvous.consume_and_terminate, _ServicerContext(rendezvous))110    for request in rendezvous:111      request_consumer.consume(request)112    request_consumer.terminate()113  return _adaptation(pool, in_pool)114def adapt_event_stream_stream(method, pool):115  def in_pool(rendezvous):116    request_consumer = method(rendezvous, _ServicerContext(rendezvous))117    for request in rendezvous:118      request_consumer.consume(request)119    request_consumer.terminate()120  return _adaptation(pool, in_pool)121def adapt_multi_method(multi_method, pool):122  def adaptation(group, method, operator, operation_context):123    rendezvous = _control.Rendezvous(operator, operation_context)124    subscription = utilities.full_subscription(125        rendezvous, _control.protocol_receiver(rendezvous))126    outcome = operation_context.add_termination_callback(rendezvous.set_outcome)127    if outcome is None:128      def in_pool():129        request_consumer = multi_method.service(130            group, method, rendezvous, _ServicerContext(rendezvous))131        for request in rendezvous:132          request_consumer.consume(request)133        request_consumer.terminate()134      pool.submit(_control.pool_wrap(in_pool, operation_context), rendezvous)135      return subscription136    else:137      raise abandonment.Abandoned()...

test_rendezvous.py

Source:test_rendezvous.py

1from pymemcache.client.rendezvous import RendezvousHash2import pytest3@pytest.mark.unit()4def test_init_no_options():5    rendezvous = RendezvousHash()6    assert 0 == len(rendezvous.nodes)7    assert 1361238019 == rendezvous.hash_function('6666')8@pytest.mark.unit()9def test_init():10    nodes = ['0', '1', '2']11    rendezvous = RendezvousHash(nodes=nodes)12    assert 3 == len(rendezvous.nodes)13    assert 1361238019 == rendezvous.hash_function('6666')14@pytest.mark.unit()15def test_seed():16    rendezvous = RendezvousHash(seed=10)17    assert 2981722772 == rendezvous.hash_function('6666')18@pytest.mark.unit()19def test_add_node():20    rendezvous = RendezvousHash()21    rendezvous.add_node('1')22    assert 1 == len(rendezvous.nodes)23    rendezvous.add_node('1')24    assert 1 == len(rendezvous.nodes)25    rendezvous.add_node('2')26    assert 2 == len(rendezvous.nodes)27    rendezvous.add_node('1')28    assert 2 == len(rendezvous.nodes)29@pytest.mark.unit()30def test_remove_node():31    nodes = ['0', '1', '2']32    rendezvous = RendezvousHash(nodes=nodes)33    rendezvous.remove_node('2')34    assert 2 == len(rendezvous.nodes)35    with pytest.raises(ValueError):36        rendezvous.remove_node('2')37    assert 2 == len(rendezvous.nodes)38    rendezvous.remove_node('1')39    assert 1 == len(rendezvous.nodes)40    rendezvous.remove_node('0')41    assert 0 == len(rendezvous.nodes)42@pytest.mark.unit()43def test_get_node():44    nodes = ['0', '1', '2']45    rendezvous = RendezvousHash(nodes=nodes)46    assert '0' == rendezvous.get_node('ok')47    assert '1' == rendezvous.get_node('mykey')48    assert '2' == rendezvous.get_node('wat')49@pytest.mark.unit()50def test_get_node_after_removal():51    nodes = ['0', '1', '2']52    rendezvous = RendezvousHash(nodes=nodes)53    rendezvous.remove_node('1')54    assert '0' == rendezvous.get_node('ok')55    assert '0' == rendezvous.get_node('mykey')56    assert '2' == rendezvous.get_node('wat')57@pytest.mark.unit()58def test_get_node_after_addition():59    nodes = ['0', '1', '2']60    rendezvous = RendezvousHash(nodes=nodes)61    assert '0' == rendezvous.get_node('ok')62    assert '1' == rendezvous.get_node('mykey')63    assert '2' == rendezvous.get_node('wat')64    assert '2' == rendezvous.get_node('lol')65    rendezvous.add_node('3')66    assert '0' == rendezvous.get_node('ok')67    assert '1' == rendezvous.get_node('mykey')68    assert '2' == rendezvous.get_node('wat')69    assert '3' == rendezvous.get_node('lol')70@pytest.mark.unit()71def test_grow():72    rendezvous = RendezvousHash()73    placements = {}74    for i in range(10):75        rendezvous.add_node(str(i))76        placements[str(i)] = []77    for i in range(1000):78        node = rendezvous.get_node(str(i))79        placements[node].append(i)80    new_placements = {}81    for i in range(20):82        rendezvous.add_node(str(i))83        new_placements[str(i)] = []84    for i in range(1000):85        node = rendezvous.get_node(str(i))86        new_placements[node].append(i)87    keys = [k for sublist in placements.values() for k in sublist]88    new_keys = [k for sublist in new_placements.values() for k in sublist]89    assert sorted(keys) == sorted(new_keys)90    added = 091    removed = 092    for node, assignments in new_placements.items():93        after = set(assignments)94        before = set(placements.get(node, []))95        removed += len(before.difference(after))96        added += len(after.difference(before))97    assert added == removed98    assert 1062 == (added + removed)99@pytest.mark.unit()100def test_shrink():101    rendezvous = RendezvousHash()102    placements = {}103    for i in range(10):104        rendezvous.add_node(str(i))105        placements[str(i)] = []106    for i in range(1000):107        node = rendezvous.get_node(str(i))108        placements[node].append(i)109    rendezvous.remove_node('9')110    new_placements = {}111    for i in range(9):112        new_placements[str(i)] = []113    for i in range(1000):114        node = rendezvous.get_node(str(i))115        new_placements[node].append(i)116    keys = [k for sublist in placements.values() for k in sublist]117    new_keys = [k for sublist in new_placements.values() for k in sublist]118    assert sorted(keys) == sorted(new_keys)119    added = 0120    removed = 0121    for node, assignments in placements.items():122        after = set(assignments)123        before = set(new_placements.get(node, []))124        removed += len(before.difference(after))125        added += len(after.difference(before))126    assert added == removed127    assert 202 == (added + removed)128def collide(key, seed):129    return 1337130@pytest.mark.unit()131def test_rendezvous_collision():132    nodes = ['c', 'b', 'a']133    rendezvous = RendezvousHash(nodes, hash_function=collide)134    for i in range(1000):135        assert 'c' == rendezvous.get_node(i)136@pytest.mark.unit()137def test_rendezvous_names():138    nodes = [1, 2, 3, 'a', 'b', 'lol.wat.com']139    rendezvous = RendezvousHash(nodes, hash_function=collide)140    for i in range(10):141        assert 'lol.wat.com' == rendezvous.get_node(i)142    nodes = [1, 'a', '0']143    rendezvous = RendezvousHash(nodes, hash_function=collide)144    for i in range(10):...

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